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= (65536 - \u521d\u503c) \u00d7 12 \/ \u6676\u632f\u9891\u7387<\/code>\u3002\u8fd9\u79cd\u56fa\u5b9a\u6a21\u5f0f\u867d\u7136\u4e0d\u591f\u7075\u6d3b\uff0c\u4f46\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\u786e\u5b9e\u975e\u5e38\u53cb\u597d\uff0c\u4e0d\u9700\u8981\u8003\u8651\u592a\u591a\u53d8\u6570\u3002<\/p>\n<p>\u4e2d\u65ad\u7cfb\u7edf\u4e5f\u5f88\u6734\u7d20\uff1a\u603b\u5171\u5c315\u4e2a\u4e2d\u65ad\u6e90\uff0c\u4e24\u7ea7\u4f18\u5148\u7ea7\uff0c\u914d\u7f6e\u8d77\u6765\u51e0\u884c\u4ee3\u7801\u5c31\u641e\u5b9a\u3002<code>IT0=1; EX0=1; EA=1;<\/code>\uff0c\u5916\u90e8\u4e2d\u65ad0\u5c31\u914d\u7f6e\u597d\u4e86\uff0c\u7b80\u5355\u5230\u4e0d\u80fd\u518d\u7b80\u5355\u3002\u8fd9\u79cd\u76f4\u89c2\u6027\u8ba9\u6211\u4eec\u5f88\u5bb9\u6613\u7406\u89e3\u4e2d\u65ad\u7684\u6982\u5ff5\u548c\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<p>\u5185\u5b58\u7a7a\u95f4\u867d\u7136\u5c0f\u5f97\u53ef\u601c\uff0c\u4f46\u4e5f\u56e0\u6b64\u7b80\u5355\uff1a128\u5b57\u8282\u7684\u5185\u90e8RAM\uff0c\u51e0KB\u7684\u7a0b\u5e8f\u5b58\u50a8\u5668\uff0c\u5730\u5740\u7a7a\u95f4\u5c0f\u5230\u53ef\u4ee5\u7528\u624b\u753b\u51fa\u5185\u5b58\u5206\u5e03\u56fe\u3002\u8fd9\u79cd\u9650\u5236\u53cd\u800c\u7b80\u5316\u4e86\u7a0b\u5e8f\u8bbe\u8ba1\uff0c\u56e0\u4e3a\u4f60\u4e0d\u53ef\u80fd\u5199\u51fa\u592a\u590d\u6742\u7684\u7a0b\u5e8f\uff0c\u81ea\u7136\u5c31\u4e0d\u4f1a\u9047\u5230\u590d\u6742\u7684\u5185\u5b58\u7ba1\u7406\u95ee\u9898\u3002<\/p>\n<p><strong>STM32\u7684&#8221;\u73b0\u5b9e\u4e16\u754c&#8221;<\/strong><\/p>\n<p>\u7136\u540e\uff0cSTM32\u51fa\u73b0\u4e86\uff0c\u76f4\u63a5\u628a\u6211\u4ece\u7ae5\u8bdd\u4e16\u754c\u62c9\u56de\u4e86\u73b0\u5b9e\u793e\u4f1a\u3002\u8fd9\u79cd\u590d\u6742\u5ea6\u7684\u8de8\u8d8a\u7b80\u76f4\u662f\u964d\u7ef4\u6253\u51fb\uff1a<\/p>\n<p>\u5f15\u811a\u6570\u91cf\u4ece40\u4e2a\u7206\u70b8\u5f0f\u589e\u957f\u523064\u3001100\u3001144\u751a\u81f3\u66f4\u591a\u4e2a\uff0c\u6bcf\u4e2a\u5f15\u811a\u8fd8\u4e0d\u662f\u56fa\u5b9a\u529f\u80fd\uff0c\u800c\u662f\u53ef\u4ee5\u914d\u7f6e\u6210\u5341\u51e0\u79cd\u4e0d\u540c\u7684\u590d\u7528\u529f\u80fd\u3002\u5149\u662f\u770b\u5f15\u811a\u5b9a\u4e49\u8868\u5c31\u8ba9\u4eba\u5934\u5927\uff0cGPIO\u3001USART\u3001SPI\u3001I2C\u3001CAN\u3001ADC\u3001DAC\u3001PWM&#8230;\u6bcf\u4e2a\u5f15\u811a\u90fd\u8eab\u517c\u6570\u804c\uff0c\u4f60\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u6765\u9009\u62e9\u548c\u914d\u7f6e\u3002<\/p>\n<p>\u5185\u90e8\u67b6\u6784\u66f4\u662f\u590d\u6742\u5f97\u8ba9\u4eba\u7edd\u671b\uff1a32\u4f4d\u7684ARM Cortex-M\u5185\u6838\u3001\u590d\u6742\u7684\u603b\u7ebf\u77e9\u9635\u3001\u591a\u7ea7\u7684\u5b58\u50a8\u5668\u5c42\u6b21\u3001\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\u3001\u7cbe\u5bc6\u7684\u65f6\u949f\u7ba1\u7406\u7cfb\u7edf\u3001\u5f3a\u5927\u7684\u4e2d\u65ad\u63a7\u5236\u5668&#8230;\u6bcf\u4e00\u4e2a\u5b50\u7cfb\u7edf\u90fd\u6bd4\u6574\u4e2a51\u8fd8\u8981\u590d\u6742\u3002\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u6253\u5f00STM32\u7684\u5757\u56fe\u65f6\uff0c\u90a3\u79cd\u5bc6\u5bc6\u9ebb\u9ebb\u7684\u8fde\u7ebf\u548c\u6a21\u5757\u8ba9\u6211\u77ac\u95f4\u611f\u5230\u4e86\u6df1\u6df1\u7684\u7edd\u671b\u3002<\/p>\n<p>\u5bc4\u5b58\u5668\u7684\u6570\u91cf\u66f4\u662f\u4ece51\u7684\u51e0\u5341\u4e2a\u98d9\u5347\u5230\u51e0\u767e\u4e2a\u751a\u81f3\u4e0a\u5343\u4e2a\u3002\u6bcf\u4e2a\u5916\u8bbe\u90fd\u6709\u4e00\u5927\u5806\u914d\u7f6e\u5bc4\u5b58\u5668\uff0c\u6bcf\u4e2a\u5bc4\u5b58\u5668\u53c8\u6709\u5f88\u591a\u914d\u7f6e\u4f4d\uff0c\u800c\u4e14\u8fd9\u4e9b\u914d\u7f6e\u4f4d\u4e4b\u95f4\u8fd8\u6709\u590d\u6742\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u60f3\u8981\u914d\u7f6e\u4e00\u4e2a\u5916\u8bbe\uff0c\u4f60\u9700\u8981\u67e5\u9605\u5927\u91cf\u7684\u6587\u6863\uff0c\u7406\u89e3\u5404\u79cd\u914d\u7f6e\u7684\u542b\u4e49\u548c\u5f71\u54cd\uff0c\u7a0d\u6709\u4e0d\u614e\u5c31\u4f1a\u51fa\u73b0\u83ab\u540d\u5176\u5999\u7684\u95ee\u9898\u3002<\/p>\n<p>\u65f6\u949f\u7cfb\u7edf\u66f4\u662f\u590d\u6742\u5f97\u50cf\u4e00\u4e2a\u7cbe\u5bc6\u7684\u745e\u58eb\u624b\u8868\uff1a\u591a\u4e2a\u65f6\u949f\u6e90\u3001\u590d\u6742\u7684PLL\u914d\u7f6e\u3001\u591a\u7ea7\u5206\u9891\u5668\u3001\u72ec\u7acb\u7684\u5916\u8bbe\u65f6\u949f\u63a7\u5236&#8230;\u90a3\u5f20\u65f6\u949f\u6811\u56fe\u7b2c\u4e00\u6b21\u770b\u5230\u65f6\u771f\u7684\u8ba9\u6211\u6000\u7591\u4eba\u751f\uff0c\u5404\u79cd\u7ebf\u6761\u4ea4\u7ec7\u5728\u4e00\u8d77\uff0c\u5c31\u50cf\u4e00\u4e2a\u5de8\u5927\u7684\u8ff7\u5bab\uff0c\u8ba9\u4eba\u4e0d\u77e5\u9053\u4ece\u4f55\u5165\u624b\u3002<\/p>\n<p>\u4e2d\u65ad\u7cfb\u7edf\u4e5f\u53d8\u5f97\u4e13\u4e1a\u800c\u590d\u6742\uff1a\u51e0\u5341\u4e2a\u4e2d\u65ad\u6e90\u300116\u7ea7\u4f18\u5148\u7ea7\u3001\u62a2\u5360\u4f18\u5148\u7ea7\u548c\u5b50\u4f18\u5148\u7ea7\u7684\u6982\u5ff5\u3001\u4e2d\u65ad\u5411\u91cf\u8868\u7684\u91cd\u5b9a\u4f4d\u3001\u5c3e\u94fe\u4f18\u5316&#8230;\u8fd9\u4e9b\u6982\u5ff5\u5bf9\u4e8e\u4e60\u60ef\u4e8651\u7b80\u5355\u4e2d\u65ad\u7684\u4eba\u6765\u8bf4\u7b80\u76f4\u662f\u5929\u65b9\u591c\u8c2d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIp\" alt=\"\" title=\"\"><\/p>\n<p><strong>\u8ba4\u77e5\u8d1f\u8377\u7684\u51e0\u4f55\u7ea7\u589e\u957f<\/strong><\/p>\n<p>\u8fd9\u79cd\u590d\u6742\u5ea6\u7684\u8de8\u8d8a\u5e26\u6765\u7684\u6700\u76f4\u63a5\u95ee\u9898\u5c31\u662f\u8ba4\u77e5\u8d1f\u8377\u7684\u51e0\u4f55\u7ea7\u589e\u957f\u3002\u572851\u65f6\u4ee3\uff0c\u6211\u4eec\u9700\u8981\u8bb0\u4f4f\u548c\u7406\u89e3\u7684\u6982\u5ff5\u662f\u6709\u9650\u7684\uff0c\u5927\u8111\u53ef\u4ee5\u8f7b\u677e\u5e94\u5bf9\u3002\u4f46\u5230\u4e86STM32\u65f6\u4ee3\uff0c\u4fe1\u606f\u91cf\u7206\u70b8\u5f0f\u589e\u957f\uff0c\u4f20\u7edf\u7684\u8bb0\u5fc6\u5f0f\u5b66\u4e60\u65b9\u6cd5\u5b8c\u5168\u5931\u6548\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66STM32\u7684\u65f6\u5019\uff0c\u8bd5\u56fe\u50cf\u5b6651\u90a3\u6837\u628a\u6240\u6709\u5bc4\u5b58\u5668\u548c\u914d\u7f6e\u90fd\u8bb0\u4e0b\u6765\uff0c\u7ed3\u679c\u53d1\u73b0\u6839\u672c\u4e0d\u53ef\u80fd\u3002\u5149\u662fGPIO\u7684\u914d\u7f6e\u5c31\u6709\u5341\u51e0\u79cd\u6a21\u5f0f\uff1a\u8f93\u5165\u6d6e\u7a7a\u3001\u8f93\u5165\u4e0a\u62c9\u3001\u8f93\u5165\u4e0b\u62c9\u3001\u6a21\u62df\u8f93\u5165\u3001\u63a8\u633d\u8f93\u51fa\u3001\u5f00\u6f0f\u8f93\u51fa\u3001\u590d\u7528\u63a8\u633d\u3001\u590d\u7528\u5f00\u6f0f\u3001\u4ee5\u53ca\u5404\u79cd\u8f93\u51fa\u901f\u5ea6\u7684\u9009\u62e9&#8230;\u6bcf\u79cd\u6a21\u5f0f\u7684\u5e94\u7528\u573a\u666f\u548c\u7535\u6c14\u7279\u6027\u90fd\u4e0d\u540c\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3\u624d\u80fd\u6b63\u786e\u4f7f\u7528\u3002<\/p>\n<p>\u8fd9\u79cd\u8ba4\u77e5\u8d1f\u8377\u7684\u589e\u52a0\u4e0d\u4ec5\u4f53\u73b0\u5728\u77e5\u8bc6\u91cf\u4e0a\uff0c\u66f4\u4f53\u73b0\u5728\u601d\u7ef4\u590d\u6742\u5ea6\u4e0a\u300251\u65f6\u4ee3\u7684\u601d\u7ef4\u662f\u7ebf\u6027\u7684\u3001\u76f4\u89c2\u7684\uff0c\u800cSTM32\u65f6\u4ee3\u7684\u601d\u7ef4\u5fc5\u987b\u662f\u7cfb\u7edf\u6027\u7684\u3001\u62bd\u8c61\u7684\u3002\u4f60\u4e0d\u80fd\u518d\u7b80\u5355\u5730&#8221;\u60f3\u8981\u4ec0\u4e48\u5c31\u5199\u4ec0\u4e48&#8221;\uff0c\u800c\u5fc5\u987b\u4ece\u7cfb\u7edf\u67b6\u6784\u7684\u89d2\u5ea6\u6765\u601d\u8003\u95ee\u9898\u3002<\/p>\n<p><strong>\u5fc3\u7406\u843d\u5dee\u7684\u5de8\u5927\u51b2\u51fb<\/strong><\/p>\n<p>\u9664\u4e86\u6280\u672f\u5c42\u9762\u7684\u590d\u6742\u5ea6\u589e\u52a0\uff0c\u5fc3\u7406\u5c42\u9762\u7684\u843d\u5dee\u53ef\u80fd\u66f4\u52a0\u81f4\u547d\u3002\u6211\u4eec\u572851\u4e0a\u5efa\u7acb\u8d77\u6765\u7684\u81ea\u4fe1\u548c\u6210\u5c31\u611f\uff0c\u5728STM32\u9762\u524d\u77ac\u95f4\u5d29\u584c\u3002\u539f\u6765\u8f7b\u677e\u641e\u5b9a\u7684\u529f\u80fd\uff0c\u73b0\u5728\u53d8\u5f97\u56f0\u96be\u91cd\u91cd\uff1b\u539f\u6765\u89c9\u5f97\u81ea\u5df1\u5df2\u7ecf&#8221;\u7cbe\u901a&#8221;\u4e86\u5355\u7247\u673a\uff0c\u73b0\u5728\u53d1\u73b0\u81ea\u5df1\u8fd8\u662f\u4e2a\u5f7b\u5e95\u7684\u65b0\u624b\u3002<\/p>\n<p>\u8fd9\u79cd\u5fc3\u7406\u843d\u5dee\u4f1a\u5bfc\u81f4\u4e00\u7cfb\u5217\u8d1f\u9762\u60c5\u7eea\uff1a\u632b\u8d25\u611f\u3001\u56f0\u60d1\u611f\u3001\u751a\u81f3\u81ea\u6211\u6000\u7591\u3002\u6211\u89c1\u8fc7\u5f88\u591a\u4eba\u56e0\u4e3a\u8fd9\u79cd\u5fc3\u7406\u843d\u5dee\u800c\u653e\u5f03\u4e86STM32\u7684\u5b66\u4e60\uff0c\u8f6c\u800c\u7ee7\u7eed\u505c\u7559\u572851\u7684\u8212\u9002\u5708\u91cc\u3002\u4f46\u8fd9\u6837\u505a\u7684\u540e\u679c\u662f\u9519\u8fc7\u4e86\u6280\u672f\u53d1\u5c55\u7684\u673a\u4f1a\uff0c\u9650\u5236\u4e86\u81ea\u5df1\u7684\u804c\u4e1a\u53d1\u5c55\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u4ece\u73a9\u5177\u5230\u5de5\u5177\u7684\u672c\u8d28\u8f6c\u53d8<\/strong><\/p>\n<p>\u66f4\u6df1\u5c42\u6b21\u7684\u5dee\u5f02\u5728\u4e8e\uff0c51\u548cSTM32\u4ee3\u8868\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u8bbe\u8ba1\u54f2\u5b66\u300251\u66f4\u50cf\u662f\u4e00\u4e2a\u6559\u5b66\u5de5\u5177\u6216\u8005\u8bf4\u662f&#8221;\u73a9\u5177&#8221;\uff0c\u5b83\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u7b80\u5355\u6613\u5b66\uff0c\u8ba9\u521d\u5b66\u8005\u80fd\u591f\u5feb\u901f\u4e0a\u624b\u3002\u800cSTM32\u662f\u4e00\u4e2a\u771f\u6b63\u7684\u5de5\u4e1a\u7ea7\u4ea7\u54c1\uff0c\u5b83\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u529f\u80fd\u5f3a\u5927\u3001\u6027\u80fd\u4f18\u5f02\u3001\u5e94\u7528\u7075\u6d3b\u3002<\/p>\n<p>\u8fd9\u79cd\u672c\u8d28\u5dee\u5f02\u51b3\u5b9a\u4e86\u6211\u4eec\u4e0d\u80fd\u7528\u5bf9\u5f85&#8221;\u73a9\u5177&#8221;\u7684\u5fc3\u6001\u53bb\u5bf9\u5f85&#8221;\u5de5\u5177&#8221;\u3002\u73a9\u5177\u7684\u4ef7\u503c\u5728\u4e8e\u5a31\u4e50\u548c\u6559\u5b66\uff0c\u800c\u5de5\u5177\u7684\u4ef7\u503c\u5728\u4e8e\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002STM32\u7684\u590d\u6742\u6027\u4e0d\u662f\u4e3a\u4e86\u5201\u96be\u5b66\u4e60\u8005\uff0c\u800c\u662f\u4e3a\u4e86\u5e94\u5bf9\u73b0\u5b9e\u4e16\u754c\u7684\u590d\u6742\u9700\u6c42\u3002<\/p>\n<p>\u7406\u89e3\u4e86\u8fd9\u79cd\u672c\u8d28\u5dee\u5f02\uff0c\u6211\u4eec\u5c31\u80fd\u66f4\u597d\u5730\u8c03\u6574\u81ea\u5df1\u7684\u5fc3\u6001\u548c\u5b66\u4e60\u65b9\u6cd5\u3002\u4e0d\u8981\u628aSTM32\u770b\u4f5c\u662f51\u7684\u5347\u7ea7\u7248\uff0c\u800c\u8981\u628a\u5b83\u770b\u4f5c\u662f\u4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C\/C++\uff0c\u4e0d\u540c\u7f16\u8bd1\u5668\u7684\u4f18\u5316\u7b56\u7565\u548c\u751f\u6210\u4ee3\u7801\u8d28\u91cf\u90fd\u4e0d\u540c\u3002<\/p>\n<p>\u8c03\u8bd5\u5de5\u5177\u66f4\u52a0\u4e13\u4e1a\uff1aST-Link\u3001J-Link\u7b49\u5728\u7ebf\u8c03\u8bd5\u5668\u652f\u6301\u65ad\u70b9\u8c03\u8bd5\u3001\u5355\u6b65\u6267\u884c\u3001\u53d8\u91cf\u89c2\u5bdf\u3001\u5185\u5b58\u67e5\u770b\u7b49\u5f3a\u5927\u529f\u80fd\u3002\u903b\u8f91\u5206\u6790\u4eea\u53ef\u4ee5\u5b9e\u65f6\u6293\u53d6\u6570\u5b57\u4fe1\u53f7\uff0c\u793a\u6ce2\u5668\u53ef\u4ee5\u89c2\u5bdf\u6a21\u62df\u6ce2\u5f62\u3002\u8fd9\u4e9b\u5de5\u5177\u7684\u529f\u80fd\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u5b66\u4e60\u548c\u638c\u63e1\u4e5f\u9700\u8981\u65f6\u95f4\u3002<\/p>\n<p>\u8f6f\u4ef6\u5e93\u7684\u9009\u62e9\u4e5f\u53d8\u5f97\u590d\u6742\uff1aSTM32\u6709\u6807\u51c6\u5916\u8bbe\u5e93\u3001HAL\u5e93\u3001LL\u5e93\u7b49\u591a\u79cd\u9009\u62e9\uff0c\u6bcf\u79cd\u5e93\u7684\u8bbe\u8ba1\u7406\u5ff5\u548c\u4f7f\u7528\u65b9\u5f0f\u90fd\u4e0d\u540c\u3002\u8fd8\u6709\u5404\u79cd\u4e2d\u95f4\u4ef6\uff1aFreeRTOS\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3001LwIP\u7f51\u7edc\u534f\u8bae\u6808\u3001FatFs\u6587\u4ef6\u7cfb\u7edf\u3001USB\u534f\u8bae\u6808\u7b49\u7b49\u3002\u8fd9\u4e9b\u5e93\u548c\u4e2d\u95f4\u4ef6\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u5b66\u4e60\u7684\u590d\u6742\u5ea6\u3002<\/p>\n<p>\u914d\u7f6e\u5de5\u5177\u7684\u51fa\u73b0\u66f4\u662f\u6539\u53d8\u4e86\u5f00\u53d1\u65b9\u5f0f\uff1aSTM32CubeMX\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177\u53ef\u4ee5\u901a\u8fc7\u56fe\u5f62\u754c\u9762\u914d\u7f6e\u82af\u7247\u529f\u80fd\uff0c\u81ea\u52a8\u751f\u6210\u521d\u59cb\u5316\u4ee3\u7801\u3002\u8fd9\u4e2a\u5de5\u5177\u964d\u4f4e\u4e86\u914d\u7f6e\u7684\u96be\u5ea6\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u5b66\u4e60\u6210\u672c\u3002\u4f60\u9700\u8981\u7406\u89e3\u56fe\u5f62\u754c\u9762\u548c\u5e95\u5c42\u4ee3\u7801\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u9700\u8981\u77e5\u9053\u54ea\u4e9b\u4ee3\u7801\u53ef\u4ee5\u4fee\u6539\uff0c\u54ea\u4e9b\u4e0d\u80fd\u4fee\u6539\u3002<\/p>\n<p><strong>\u4ee3\u7801\u7ec4\u7ec7\u65b9\u5f0f\u7684\u6839\u672c\u6539\u53d8<\/strong><\/p>\n<p>\u66f4\u91cd\u8981\u7684\u662f\uff0c\u4ee3\u7801\u7684\u7ec4\u7ec7\u65b9\u5f0f\u53d1\u751f\u4e86\u6839\u672c\u6027\u7684\u6539\u53d8\u300251\u65f6\u4ee3\u7684\u4ee3\u7801\u7ec4\u7ec7\u5f88\u7b80\u5355\uff0c\u901a\u5e38\u5c31\u662f\u4e00\u4e2amain.c\u6587\u4ef6\u5305\u542b\u4e3b\u51fd\u6570\u548c\u4e2d\u65ad\u51fd\u6570\uff0c\u53ef\u80fd\u518d\u52a0\u4e0a\u51e0\u4e2a\u5934\u6587\u4ef6\u5b9a\u4e49\u4e00\u4e9b\u5e38\u91cf\u548c\u5b8f\u3002\u4ee3\u7801\u91cf\u4e0d\u5927\uff0c\u7ed3\u6784\u7b80\u5355\uff0c\u4e00\u4e2a\u4eba\u5b8c\u5168\u53ef\u4ee5\u638c\u63a7\u3002<\/p>\n<p>\u4f46STM32\u65f6\u4ee3\u7684\u4ee3\u7801\u7ec4\u7ec7\u5fc5\u987b\u66f4\u52a0\u4e13\u4e1a\u5316\u3002\u4e00\u4e2a\u5178\u578b\u7684STM32\u9879\u76ee\u53ef\u80fd\u5305\u542b\u51e0\u5341\u4e2a\u751a\u81f3\u4e0a\u767e\u4e2a\u6e90\u6587\u4ef6\uff0c\u6309\u7167\u529f\u80fd\u6a21\u5757\u5206\u522b\u7ec4\u7ec7\u3002\u9879\u76ee\u76ee\u5f55\u7ed3\u6784\u4e5f\u53d8\u5f97\u590d\u6742\uff1a<\/p>\n<pre><code>Project\/\n\u251c\u2500\u2500 Core\/               # \u6838\u5fc3\u4ee3\u7801\n\u2502   \u251c\u2500\u2500 Inc\/           # \u5934\u6587\u4ef6\n\u2502   \u2514\u2500\u2500 Src\/           # \u6e90\u6587\u4ef6\n\u251c\u2500\u2500 Drivers\/           # \u9a71\u52a8\u7a0b\u5e8f\n\u2502   \u251c\u2500\u2500 STM32F4xx_HAL_Driver\/  # HAL\u5e93\n\u2502   \u2514\u2500\u2500 CMSIS\/         # CMSIS\u63a5\u53e3\n\u251c\u2500\u2500 Middlewares\/       # \u4e2d\u95f4\u4ef6\n\u2502   \u251c\u2500\u2500 FreeRTOS\/      # \u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\n\u2502   \u2514\u2500\u2500 LwIP\/          # \u7f51\u7edc\u534f\u8bae\u6808\n\u251c\u2500\u2500 Application\/       # \u5e94\u7528\u7a0b\u5e8f\n\u2502   \u251c\u2500\u2500 User\/          # \u7528\u6237\u4ee3\u7801\n\u2502   \u2514\u2500\u2500 Config\/        # \u914d\u7f6e\u6587\u4ef6\n\u2514\u2500\u2500 Project\/           # \u5de5\u7a0b\u6587\u4ef6<\/code><\/pre>\n<p>\u8fd9\u79cd\u7ec4\u7ec7\u65b9\u5f0f\u867d\u7136\u66f4\u52a0\u89c4\u8303\u548c\u53ef\u7ef4\u62a4\uff0c\u4f46\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u786e\u5b9e\u589e\u52a0\u4e86\u7406\u89e3\u7684\u96be\u5ea6\u3002\u4f60\u9700\u8981\u7406\u89e3\u6bcf\u4e2a\u76ee\u5f55\u7684\u4f5c\u7528\uff0c\u77e5\u9053\u4ec0\u4e48\u4ee3\u7801\u5e94\u8be5\u653e\u5728\u54ea\u91cc\uff0c\u7406\u89e3\u4e0d\u540c\u5c42\u6b21\u4e4b\u95f4\u7684\u8c03\u7528\u5173\u7cfb\u3002<\/p>\n<p><strong>\u7248\u672c\u7ba1\u7406\u548c\u534f\u4f5c\u5f00\u53d1\u7684\u8981\u6c42<\/strong><\/p>\n<p>STM32\u9879\u76ee\u7684\u590d\u6742\u5ea6\u4e5f\u8981\u6c42\u4f7f\u7528\u7248\u672c\u7ba1\u7406\u7cfb\u7edf\u300251\u65f6\u4ee3\u7684\u5c0f\u9879\u76ee\u53ef\u80fd\u5c31\u662f\u51e0\u4e2a\u6587\u4ef6\uff0c\u7528U\u76d8\u5907\u4efd\u4e00\u4e0b\u5c31\u591f\u4e86\u3002\u4f46STM32\u9879\u76ee\u6d89\u53ca\u51e0\u5341\u4e0a\u767e\u4e2a\u6587\u4ef6\uff0c\u591a\u4eba\u534f\u4f5c\u5f00\u53d1\uff0c\u5fc5\u987b\u4f7f\u7528Git\u7b49\u7248\u672c\u7ba1\u7406\u5de5\u5177\u3002<\/p>\n<p>\u8fd9\u53c8\u5f15\u5165\u4e86\u65b0\u7684\u5b66\u4e60\u5185\u5bb9\uff1a\u5982\u4f55\u4f7f\u7528Git\u8fdb\u884c\u7248\u672c\u63a7\u5236\uff1f\u5982\u4f55\u5904\u7406\u4ee3\u7801\u5408\u5e76\u51b2\u7a81\uff1f\u5982\u4f55\u8fdb\u884c\u5206\u652f\u7ba1\u7406\uff1f\u5982\u4f55\u8fdb\u884c\u4ee3\u7801\u5ba1\u67e5\uff1f\u8fd9\u4e9b\u8f6f\u4ef6\u5de5\u7a0b\u7684\u6982\u5ff5\u5bf9\u4e8e\u4e60\u60ef\u4e86\u5355\u4eba\u5c0f\u9879\u76ee\u5f00\u53d1\u768451\u7a0b\u5e8f\u5458\u6765\u8bf4\u662f\u5168\u65b0\u7684\u6311\u6218\u3002<\/p>\n<p><img decoding=\"async\" width=\"600\" height=\"337\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIq\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u786c\u4ef6\u62bd\u8c61\u5c42\u6b21\u7684\u5de8\u5927\u5dee\u5f02\u2014\u2014\u4ece\u76f4\u63a5\u63a7\u5236\u5230\u62bd\u8c61\u63a5\u53e3<\/strong><\/h2>\n<p>\u4ece51\u5230STM32\uff0c\u53e6\u4e00\u4e2a\u8ba9\u4eba\u611f\u5230\u56f0\u60d1\u7684\u91cd\u5927\u53d8\u5316\u662f\u786c\u4ef6\u62bd\u8c61\u5c42\u6b21\u7684\u5de8\u5927\u63d0\u5347\u3002\u8fd9\u79cd\u53d8\u5316\u4e0d\u4ec5\u6539\u53d8\u4e86\u6211\u4eec\u4e0e\u786c\u4ef6\u4ea4\u4e92\u7684\u65b9\u5f0f\uff0c\u66f4\u6df1\u523b\u5730\u5f71\u54cd\u4e86\u6211\u4eec\u5bf9\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u7406\u89e3\u548c\u601d\u8003\u65b9\u5f0f\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u8d34\u91d1\u5c5e\u7f16\u7a0b&#8221;<\/strong><\/p>\n<p>\u572851\u5355\u7247\u673a\u7684\u65f6\u4ee3\uff0c\u6211\u4eec\u57fa\u672c\u4e0a\u662f\u5728\u8fdb\u884c&#8221;\u8d34\u91d1\u5c5e&#8221;\u7684\u7f16\u7a0b\u3002\u8fd9\u4e2a\u6982\u5ff5\u6765\u6e90\u4e8e\u6c47\u7f16\u8bed\u8a00\u7f16\u7a0b\uff0c\u610f\u601d\u662f\u4ee3\u7801\u76f4\u63a5\u5bf9\u5e94\u786c\u4ef6\u7684\u7269\u7406\u884c\u4e3a\uff0c\u51e0\u4e4e\u6ca1\u6709\u62bd\u8c61\u5c42\u7684\u5b58\u5728\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u5199<code>P1 = 0xFE;<\/code>\u8fd9\u884c\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u975e\u5e38\u6e05\u695a\u5730\u77e5\u9053\u8fd9\u4f1a\u5bfc\u81f4\u4ec0\u4e48\uff1aCPU\u4f1a\u5c060xFE\u8fd9\u4e2a\u503c\u76f4\u63a5\u5199\u5165\u5230P1\u7aef\u53e3\u7684\u9501\u5b58\u5668\u4e2d\uff0c\u7136\u540e\u8fd98\u4f4d\u6570\u636e\u4f1a\u901a\u8fc7\u9a71\u52a8\u7535\u8def\u8f93\u51fa\u5230\u5bf9\u5e94\u7684\u5f15\u811a\u4e0a\uff0c\u6700\u7ec8\u63a7\u5236\u8fde\u63a5\u5728\u8fd9\u4e9b\u5f15\u811a\u4e0a\u7684LED\u3002\u8fd9\u79cd\u76f4\u63a5\u7684\u5bf9\u5e94\u5173\u7cfb\u8ba9\u6211\u4eec\u5bf9\u786c\u4ef6\u7684\u5de5\u4f5c\u539f\u7406\u6709\u975e\u5e38\u76f4\u89c2\u7684\u7406\u89e3\u3002<\/p>\n<p>51\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u6709\u9650\uff0c\u800c\u4e14\u5927\u591a\u6570\u90fd\u6709\u56fa\u5b9a\u7684\u540d\u79f0\u548c\u5730\u5740\u3002\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u8bb0\u4f4f\u8fd9\u4e9b\u5bc4\u5b58\u5668\uff1aP0\u3001P1\u3001P2\u3001P3\u63a7\u5236\u7aef\u53e3\u8f93\u51fa\uff0cTMOD\u3001TH0\u3001TL0\u63a7\u5236\u5b9a\u65f6\u5668\uff0cSCON\u3001SBUF\u63a7\u5236\u4e32\u53e3\u901a\u4fe1\u3002\u6bcf\u4e2a\u5bc4\u5b58\u5668\u7684\u6bcf\u4e00\u4f4d\u90fd\u6709\u660e\u786e\u7684\u5b9a\u4e49\uff0c\u800c\u4e14\u8fd9\u4e9b\u5b9a\u4e49\u76f8\u5bf9\u7b80\u5355\uff0c\u4e0d\u4f1a\u6709\u592a\u591a\u7684\u53d8\u5316\u548c\u9009\u62e9\u3002<\/p>\n<p>\u8fd9\u79cd\u76f4\u63a5\u63a7\u5236\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u4f18\u70b9\uff1a\u4ee3\u7801\u7b80\u6d01\u660e\u4e86\uff0c\u6267\u884c\u6548\u7387\u9ad8\uff0c\u8d44\u6e90\u5360\u7528\u5c11\uff0c\u8c03\u8bd5\u76f8\u5bf9\u5bb9\u6613\u3002\u5f53\u7a0b\u5e8f\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5b9a\u4f4d\u5230\u5177\u4f53\u7684\u5bc4\u5b58\u5668\u64cd\u4f5c\uff0c\u901a\u8fc7\u4fee\u6539\u5bc4\u5b58\u5668\u7684\u503c\u6765\u89e3\u51b3\u95ee\u9898\u3002\u800c\u4e14\u7531\u4e8e\u62bd\u8c61\u5c42\u6b21\u5f88\u4f4e\uff0c\u6211\u4eec\u5bf9\u7cfb\u7edf\u7684\u884c\u4e3a\u6709\u5b8c\u5168\u7684\u63a7\u5236\u6743\uff0c\u4e0d\u4f1a\u51fa\u73b0&#8221;\u9ed1\u76d2&#8221;\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5f53\u5e74\u8c03\u8bd551\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u7528\u7684\u65b9\u6cd5\u5c31\u662f\u5728\u5173\u952e\u4f4d\u7f6e\u52a0\u4e0a<code>P1 = 0x55;<\/code>\u8fd9\u6837\u7684\u4ee3\u7801\uff0c\u901a\u8fc7\u89c2\u5bdfLED\u7684\u72b6\u6001\u6765\u5224\u65ad\u7a0b\u5e8f\u6267\u884c\u5230\u4e86\u54ea\u91cc\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u539f\u59cb\uff0c\u4f46\u975e\u5e38\u6709\u6548\uff0c\u56e0\u4e3a\u6211\u4eec\u786e\u5207\u5730\u77e5\u9053\u8fd9\u884c\u4ee3\u7801\u4f1a\u4ea7\u751f\u4ec0\u4e48\u6548\u679c\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u62bd\u8c61\u7f16\u7a0b&#8221;<\/strong><\/p>\n<p>\u4f46\u662f\u5230\u4e86STM32\u65f6\u4ee3\uff0c\u4e00\u5207\u90fd\u53d8\u4e86\u3002STM32\u5f15\u5165\u4e86\u591a\u5c42\u6b21\u7684\u786c\u4ef6\u62bd\u8c61\uff0c\u6211\u4eec\u4e0d\u518d\u76f4\u63a5\u64cd\u4f5c\u7269\u7406\u5bc4\u5b58\u5668\uff0c\u800c\u662f\u901a\u8fc7\u5404\u79cd\u62bd\u8c61\u63a5\u53e3\u6765\u4e0e\u786c\u4ef6\u4ea4\u4e92\u3002\u8fd9\u79cd\u6539\u53d8\u867d\u7136\u5e26\u6765\u4e86\u5f88\u591a\u597d\u5904\uff0c\u4f46\u4e5f\u8ba9\u4e60\u60ef\u4e86\u76f4\u63a5\u63a7\u5236\u768451\u7a0b\u5e8f\u5458\u611f\u5230\u56f0\u60d1\u548c\u4e0d\u9002\u5e94\u3002<\/p>\n<p>\u9996\u5148\u662f\u5e93\u51fd\u6570\u7684\u5f15\u5165\u3002STM32\u4e0d\u9f13\u52b1\u76f4\u63a5\u64cd\u4f5c\u5bc4\u5b58\u5668\uff0c\u800c\u662f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5e93\u51fd\u6570\u6765\u5c01\u88c5\u786c\u4ef6\u64cd\u4f5c\u3002\u6bd4\u5982\u8981\u914d\u7f6e\u4e00\u4e2aGPIO\u5f15\u811a\uff0c\u4f60\u4e0d\u80fd\u7b80\u5355\u5730\u7ed9\u67d0\u4e2a\u5bc4\u5b58\u5668\u8d4b\u503c\uff0c\u800c\u662f\u8981\u8c03\u7528\u4e00\u7cfb\u5217\u7684\u5e93\u51fd\u6570\uff1a<\/p>\n<pre><code class=\"c\">\/\/ \u4f7f\u80fdGPIO\u65f6\u949f\nRCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);\n\n\/\/ \u914d\u7f6eGPIO\u53c2\u6570\nGPIO_InitTypeDef GPIO_InitStructure;\nGPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;\nGPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;\nGPIO_InitStructure.GPIO_OType = GPIO_OType_PP;\nGPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;\nGPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;\n\n\/\/ \u521d\u59cb\u5316GPIO\nGPIO_Init(GPIOA, &amp;GPIO_InitStructure);\n\n\/\/ \u8bbe\u7f6eGPIO\u8f93\u51fa\nGPIO_SetBits(GPIOA, GPIO_Pin_0);<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u770b\u8d77\u6765\u5f88\u5570\u55e6\uff0c\u539f\u6765\u4e00\u884c\u4ee3\u7801\u80fd\u641e\u5b9a\u7684\u4e8b\u60c5\u73b0\u5728\u8981\u5199\u8fd9\u4e48\u591a\u3002\u66f4\u8ba9\u4eba\u56f0\u60d1\u7684\u662f\uff0c\u4f60\u4e0d\u80fd\u76f4\u89c2\u5730\u770b\u51fa\u8fd9\u4e9b\u4ee3\u7801\u6700\u7ec8\u4f1a\u5982\u4f55\u64cd\u4f5c\u786c\u4ef6\u3002<code>GPIO_SetBits<\/code>\u51fd\u6570\u5185\u90e8\u5230\u5e95\u505a\u4e86\u4ec0\u4e48\uff1f\u5b83\u64cd\u4f5c\u4e86\u54ea\u4e9b\u5bc4\u5b58\u5668\uff1f\u4ea7\u751f\u4e86\u4ec0\u4e48\u6837\u7684\u7535\u6c14\u6548\u679c\uff1f\u8fd9\u4e9b\u95ee\u9898\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\u90fd\u662f\u9ed1\u76d2\u3002<\/p>\n<p>\u5176\u6b21\u662f\u914d\u7f6e\u53c2\u6570\u7684\u590d\u6742\u5316\u300251\u7684\u914d\u7f6e\u5f88\u7b80\u5355\uff0c\u8981\u4e48\u5f00\u8981\u4e48\u5173\uff0c\u9009\u62e9\u4e0d\u591a\u3002\u4f46STM32\u7684\u6bcf\u4e2a\u529f\u80fd\u90fd\u6709\u5927\u91cf\u7684\u914d\u7f6e\u9009\u9879\u3002\u5c31\u62ffGPIO\u6765\u8bf4\uff0c\u6709\u5341\u51e0\u79cd\u4e0d\u540c\u7684\u6a21\u5f0f\uff1a\u8f93\u5165\u6d6e\u7a7a\u3001\u8f93\u5165\u4e0a\u62c9\u3001\u8f93\u5165\u4e0b\u62c9\u3001\u6a21\u62df\u8f93\u5165\u3001\u63a8\u633d\u8f93\u51fa\u3001\u5f00\u6f0f\u8f93\u51fa\u3001\u590d\u7528\u63a8\u633d\u3001\u590d\u7528\u5f00\u6f0f\u7b49\u7b49\u3002\u6bcf\u79cd\u6a21\u5f0f\u53c8\u6709\u4e0d\u540c\u7684\u901f\u5ea6\u9009\u62e9\u3001\u4e0a\u4e0b\u62c9\u9009\u62e9\u3002<\/p>\n<p>\u8fd9\u4e9b\u4e30\u5bcc\u7684\u9009\u62e9\u867d\u7136\u63d0\u4f9b\u4e86\u5f88\u5927\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u5b66\u4e60\u7684\u96be\u5ea6\u3002\u4f60\u9700\u8981\u7406\u89e3\u6bcf\u79cd\u6a21\u5f0f\u7684\u7535\u6c14\u7279\u6027\u3001\u9002\u7528\u573a\u666f\u3001\u6027\u80fd\u5f71\u54cd\u7b49\u7b49\u3002\u800c\u4e14\u5f88\u591a\u65f6\u5019\uff0c\u9519\u8bef\u7684\u914d\u7f6e\u4e0d\u4f1a\u5bfc\u81f4\u660e\u663e\u7684\u9519\u8bef\uff0c\u800c\u662f\u4ea7\u751f\u5fae\u5999\u7684\u95ee\u9898\uff0c\u6bd4\u5982\u4fe1\u53f7\u8d28\u91cf\u4e0b\u964d\u3001\u529f\u8017\u589e\u52a0\u3001EMI\u95ee\u9898\u7b49\u7b49\u3002<\/p>\n<p><strong>\u4e2d\u95f4\u4ef6\u548c\u534f\u8bae\u6808\u7684\u5f15\u5165<\/strong><\/p>\n<p>STM32\u65f6\u4ee3\u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u53d8\u5316\u662f\u4e2d\u95f4\u4ef6\u548c\u534f\u8bae\u6808\u7684\u5927\u91cf\u5f15\u5165\u3002\u73b0\u4ee3\u7684\u5d4c\u5165\u5f0f\u5e94\u7528\u5f80\u5f80\u9700\u8981\u652f\u6301\u590d\u6742\u7684\u529f\u80fd\uff1a\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u901a\u4fe1\u3001USB\u63a5\u53e3\u3001\u56fe\u5f62\u754c\u9762\u7b49\u7b49\u3002\u8fd9\u4e9b\u529f\u80fd\u7684\u5b9e\u73b0\u975e\u5e38\u590d\u6742\uff0c\u5982\u679c\u4ece\u96f6\u5f00\u59cb\u5f00\u53d1\uff0c\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u56e0\u6b64\uff0cSTM32\u751f\u6001\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u4e2d\u95f4\u4ef6\u6765\u7b80\u5316\u8fd9\u4e9b\u590d\u6742\u529f\u80fd\u7684\u5b9e\u73b0\u3002FreeRTOS\u63d0\u4f9b\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u529f\u80fd\uff0cLwIP\u63d0\u4f9bTCP\/IP\u7f51\u7edc\u534f\u8bae\u6808\uff0cFatFs\u63d0\u4f9b\u6587\u4ef6\u7cfb\u7edf\u529f\u80fd\uff0cSTemWin\u63d0\u4f9b\u56fe\u5f62\u754c\u9762\u529f\u80fd\u7b49\u7b49\u3002\u8fd9\u4e9b\u4e2d\u95f4\u4ef6\u5c01\u88c5\u4e86\u590d\u6742\u7684\u5e95\u5c42\u5b9e\u73b0\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7b80\u6d01\u7684API\u63a5\u53e3\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u79cd\u62bd\u8c61\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u95ee\u9898\u3002\u5e94\u7528\u7a0b\u5e8f\u5458\u4e0d\u518d\u9700\u8981\u4e86\u89e3\u5e95\u5c42\u7684\u5b9e\u73b0\u7ec6\u8282\uff0c\u4f46\u4e5f\u5931\u53bb\u4e86\u5bf9\u7cfb\u7edf\u884c\u4e3a\u7684\u76f4\u63a5\u63a7\u5236\u3002\u5f53\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u8c03\u8bd5\u53d8\u5f97\u66f4\u52a0\u56f0\u96be\uff0c\u56e0\u4e3a\u95ee\u9898\u53ef\u80fd\u9690\u85cf\u5728\u591a\u5c42\u62bd\u8c61\u7684\u67d0\u4e2a\u5c42\u6b21\u4e2d\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u4f7f\u7528LwIP\u7f51\u7edc\u534f\u8bae\u6808\u7684\u65f6\u5019\uff0c\u82b1\u4e86\u5f88\u957f\u65f6\u95f4\u624d\u7406\u89e3\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u3002\u7f51\u7edc\u6570\u636e\u662f\u5982\u4f55\u5728\u4e0d\u540c\u5c42\u6b21\u95f4\u4f20\u9012\u7684\uff1f\u5185\u5b58\u662f\u5982\u4f55\u7ba1\u7406\u7684\uff1f\u5b9a\u65f6\u5668\u662f\u5982\u4f55\u5904\u7406\u7684\uff1f\u8fd9\u4e9b\u95ee\u9898\u7684\u7b54\u6848\u90fd\u9690\u85cf\u5728\u590d\u6742\u7684\u6e90\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\u6765\u7814\u7a76\u548c\u7406\u89e3\u3002<\/p>\n<p><strong>\u4ee3\u7801\u751f\u6210\u5de5\u5177\u7684\u666e\u53ca<\/strong><\/p>\n<p>STM32CubeMX\u7b49\u4ee3\u7801\u751f\u6210\u5de5\u5177\u7684\u51fa\u73b0\uff0c\u8fdb\u4e00\u6b65\u589e\u52a0\u4e86\u62bd\u8c61\u7684\u5c42\u6b21\u3002\u8fd9\u4e9b\u5de5\u5177\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7\u56fe\u5f62\u754c\u9762\u6765\u914d\u7f6e\u82af\u7247\u529f\u80fd\uff0c\u7136\u540e\u81ea\u52a8\u751f\u6210\u76f8\u5e94\u7684\u521d\u59cb\u5316\u4ee3\u7801\u3002\u8fd9\u79cd\u65b9\u5f0f\u5927\u5927\u7b80\u5316\u4e86\u914d\u7f6e\u7684\u590d\u6742\u5ea6\uff0c\u4f46\u4e5f\u8ba9\u5f00\u53d1\u8005\u4e0e\u5e95\u5c42\u786c\u4ef6\u7684\u8ddd\u79bb\u66f4\u52a0\u9065\u8fdc\u3002<\/p>\n<p>\u4f7f\u7528\u4ee3\u7801\u751f\u6210\u5de5\u5177\u65f6\uff0c\u4f60\u53ea\u9700\u8981\u5728\u56fe\u5f62\u754c\u9762\u4e0a\u70b9\u70b9\u9f20\u6807\uff0c\u9009\u62e9\u76f8\u5e94\u7684\u529f\u80fd\u548c\u53c2\u6570\uff0c\u5de5\u5177\u5c31\u4f1a\u81ea\u52a8\u751f\u6210\u51e0\u767e\u884c\u751a\u81f3\u51e0\u5343\u884c\u7684\u914d\u7f6e\u4ee3\u7801\u3002\u8fd9\u4e9b\u4ee3\u7801\u901a\u5e38\u90fd\u662f\u6b63\u786e\u7684\uff0c\u4f46\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4\u5374\u662f\u9ed1\u76d2\u3002\u4f60\u77e5\u9053\u4ee3\u7801\u80fd\u5de5\u4f5c\uff0c\u4f46\u4e0d\u77e5\u9053\u5b83\u4e3a\u4ec0\u4e48\u80fd\u5de5\u4f5c\uff0c\u4e5f\u4e0d\u77e5\u9053\u5982\u4f55\u4fee\u6539\u548c\u4f18\u5316\u3002<\/p>\n<p>\u8fd9\u79cd\u62bd\u8c61\u867d\u7136\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u6311\u6218\u3002\u5f53\u81ea\u52a8\u751f\u6210\u7684\u4ee3\u7801\u4e0d\u80fd\u6ee1\u8db3\u7279\u6b8a\u9700\u6c42\u65f6\uff0c\u4f60\u9700\u8981\u624b\u52a8\u4fee\u6539\uff0c\u4f46\u8fd9\u8981\u6c42\u4f60\u7406\u89e3\u751f\u6210\u4ee3\u7801\u7684\u7ed3\u6784\u548c\u903b\u8f91\u3002\u5f53\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u4f60\u9700\u8981\u8c03\u8bd5\u8fd9\u4e9b\u81ea\u52a8\u751f\u6210\u7684\u4ee3\u7801\uff0c\u4f46\u8fd9\u4e9b\u4ee3\u7801\u5f80\u5f80\u4e0d\u662f\u6309\u7167\u4eba\u7c7b\u7684\u601d\u7ef4\u65b9\u5f0f\u7ec4\u7ec7\u7684\u3002<\/p>\n<p><strong>\u7406\u89e3\u969c\u788d\u7684\u6839\u672c\u539f\u56e0<\/strong><\/p>\n<p>\u4ece51\u5230STM32\u7684\u8fd9\u79cd\u62bd\u8c61\u5c42\u6b21\u53d8\u5316\uff0c\u5bfc\u81f4\u4e86\u6df1\u5c42\u7684\u7406\u89e3\u969c\u788d\u3002\u572851\u65f6\u4ee3\uff0c\u6211\u4eec\u517b\u6210\u4e86&#8221;\u76f4\u63a5\u63a7\u5236&#8221;\u7684\u601d\u7ef4\u4e60\u60ef\uff1a\u60f3\u8981\u4ec0\u4e48\u6548\u679c\u5c31\u76f4\u63a5\u64cd\u4f5c\u76f8\u5e94\u7684\u5bc4\u5b58\u5668\u3002\u4f46\u5728STM32\u65f6\u4ee3\uff0c\u8fd9\u79cd\u601d\u7ef4\u65b9\u5f0f\u4e0d\u518d\u9002\u7528\uff0c\u6211\u4eec\u9700\u8981\u5b66\u4f1a&#8221;\u62bd\u8c61\u601d\u8003&#8221;\uff1a\u7406\u89e3\u4e0d\u540c\u62bd\u8c61\u5c42\u6b21\u7684\u4f5c\u7528\u548c\u5173\u7cfb\uff0c\u901a\u8fc7\u5408\u9002\u7684\u62bd\u8c61\u63a5\u53e3\u6765\u5b9e\u73b0\u76ee\u6807\u529f\u80fd\u3002<\/p>\n<p>\u8fd9\u79cd\u601d\u7ef4\u8f6c\u6362\u662f\u975e\u5e38\u56f0\u96be\u7684\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5df2\u7ecf\u719f\u6089\u4e8651\u76f4\u63a5\u63a7\u5236\u65b9\u5f0f\u7684\u5f00\u53d1\u8005\u3002\u4ed6\u4eec\u4f1a\u672c\u80fd\u5730\u6297\u62d2\u8fd9\u79cd\u62bd\u8c61\uff0c\u8ba4\u4e3a\u76f4\u63a5\u64cd\u4f5c\u5bc4\u5b58\u5668\u66f4\u52a0&#8221;\u4e13\u4e1a&#8221;\u548c&#8221;\u9ad8\u6548&#8221;\u3002\u4f46\u5b9e\u9645\u4e0a\uff0c\u5728STM32\u8fd9\u6837\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\uff0c\u9002\u5f53\u7684\u62bd\u8c61\u662f\u5fc5\u8981\u7684\uff0c\u5b83\u80fd\u591f\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u51cf\u5c11\u9519\u8bef\uff0c\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u79fb\u690d\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u9002\u5e94\u62bd\u8c61\u7f16\u7a0b\u7684\u7b56\u7565<\/strong><\/p>\n<p>\u8981\u6210\u529f\u5730\u4ece51\u7684\u76f4\u63a5\u63a7\u5236\u8f6c\u5411STM32\u7684\u62bd\u8c61\u7f16\u7a0b\uff0c\u9700\u8981\u8c03\u6574\u5fc3\u6001\u548c\u5b66\u4e60\u65b9\u6cd5\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u8981\u63a5\u53d7\u62bd\u8c61\u7684\u5fc5\u8981\u6027\u3002STM32\u7684\u590d\u6742\u5ea6\u51b3\u5b9a\u4e86\u5fc5\u987b\u4f7f\u7528\u62bd\u8c61\u6765\u7ba1\u7406\u590d\u6742\u6027\u3002\u5982\u679c\u575a\u6301\u752851\u7684\u76f4\u63a5\u63a7\u5236\u65b9\u5f0f\uff0c\u867d\u7136\u7406\u8bba\u4e0a\u53ef\u884c\uff0c\u4f46\u5b9e\u9645\u4e0a\u6548\u7387\u5f88\u4f4e\uff0c\u800c\u4e14\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u8981\u5b66\u4f1a\u5206\u5c42\u7406\u89e3\u3002\u4e0d\u8981\u8bd5\u56fe\u4e00\u6b21\u6027\u7406\u89e3\u6240\u6709\u7684\u62bd\u8c61\u5c42\u6b21\uff0c\u800c\u662f\u4ece\u5e94\u7528\u5c42\u5f00\u59cb\uff0c\u9010\u6b65\u6df1\u5165\u5230\u5e95\u5c42\u3002\u5148\u5b66\u4f1a\u4f7f\u7528\u5e93\u51fd\u6570\u5b9e\u73b0\u529f\u80fd\uff0c\u7136\u540e\u518d\u53bb\u7406\u89e3\u5e93\u51fd\u6570\u7684\u5185\u90e8\u5b9e\u73b0\u3002<\/p>\n<p>\u7b2c\u4e09\uff0c\u8981\u5584\u7528\u8c03\u8bd5\u5de5\u5177\u3002\u73b0\u4ee3\u7684\u8c03\u8bd5\u5de5\u5177\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7406\u89e3\u62bd\u8c61\u5c42\u6b21\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u901a\u8fc7\u65ad\u70b9\u8c03\u8bd5\u3001\u53d8\u91cf\u89c2\u5bdf\u3001\u8c03\u7528\u6808\u5206\u6790\u7b49\u624b\u6bb5\uff0c\u53ef\u4ee5\u8ddf\u8e2a\u4ee3\u7801\u7684\u6267\u884c\u6d41\u7a0b\uff0c\u7406\u89e3\u4e0d\u540c\u5c42\u6b21\u7684\u4ea4\u4e92\u3002<\/p>\n<p>\u6700\u540e\uff0c\u8981\u4fdd\u6301\u5b66\u4e60\u7684\u8010\u5fc3\u3002\u4ece\u76f4\u63a5\u63a7\u5236\u5230\u62bd\u8c61\u7f16\u7a0b\u7684\u8f6c\u6362\u4e0d\u662f\u4e00\u671d\u4e00\u5915\u7684\u4e8b\u60c5\uff0c\u9700\u8981\u65f6\u95f4\u548c\u5b9e\u8df5\u6765\u9010\u6b65\u9002\u5e94\u3002\u4e0d\u8981\u56e0\u4e3a\u4e00\u65f6\u7684\u56f0\u60d1\u5c31\u653e\u5f03\uff0c\u8981\u76f8\u4fe1\u901a\u8fc7\u4e0d\u65ad\u7684\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u6700\u7ec8\u80fd\u591f\u638c\u63e1\u8fd9\u79cd\u65b0\u7684\u7f16\u7a0b\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIr\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u65f6\u949f\u7cfb\u7edf\u8bbe\u8ba1\u54f2\u5b66\u7684\u6839\u672c\u5dee\u5f02\u2014\u2014\u4ece\u7b80\u5355\u56fa\u5b9a\u5230\u590d\u6742\u7075\u6d3b<\/strong><\/h2>\n<p>\u5982\u679c\u8981\u6211\u6307\u51fa51\u548cSTM32\u4e4b\u95f4\u6700\u8ba9\u521d\u5b66\u8005\u56f0\u60d1\u7684\u5dee\u5f02\uff0c\u6211\u4f1a\u6beb\u4e0d\u72b9\u8c6b\u5730\u8bf4\uff1a\u65f6\u949f\u7cfb\u7edf\u3002\u8fd9\u4e2a\u770b\u4f3c\u4e0d\u8d77\u773c\u7684\u6a21\u5757\uff0c\u5b9e\u9645\u4e0a\u4ee3\u8868\u4e86\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u8bbe\u8ba1\u54f2\u5b66\uff0c\u4e5f\u662f\u9020\u6210\u5b66\u4e60\u56f0\u96be\u7684\u6700\u5927\u969c\u788d\u4e4b\u4e00\u3002\u7406\u89e3\u4e86\u65f6\u949f\u7cfb\u7edf\u7684\u5dee\u5f02\uff0c\u5c31\u7406\u89e3\u4e8651\u548cSTM32\u8bbe\u8ba1\u601d\u60f3\u7684\u6839\u672c\u4e0d\u540c\u3002<\/p>\n<p><strong>51\u7684&#8221;\u4e00\u5200\u5207&#8221;\u65f6\u949f\u54f2\u5b66<\/strong><\/p>\n<p>51\u5355\u7247\u673a\u7684\u65f6\u949f\u7cfb\u7edf\u7b80\u5355\u5f97\u4ee4\u4eba\u611f\u52a8\uff0c\u4f53\u73b0\u4e86\u4e00\u79cd&#8221;\u4e00\u5200\u5207&#8221;\u7684\u8bbe\u8ba1\u54f2\u5b66\u3002\u6574\u4e2a\u7cfb\u7edf\u53ea\u6709\u4e00\u4e2a\u65f6\u949f\u6e90\uff1a\u5916\u90e8\u6676\u632f\uff08\u901a\u5e38\u662f12MHz\uff09\uff0c\u7136\u540e\u901a\u8fc7\u56fa\u5b9a\u768412\u5206\u9891\u5f97\u52301MHz\u7684\u673a\u5668\u5468\u671f\u65f6\u949f\u3002\u6240\u6709\u7684\u5185\u90e8\u6a21\u5757\u90fd\u4f7f\u7528\u8fd9\u4e2a\u7edf\u4e00\u7684\u65f6\u949f\uff0c\u6ca1\u6709\u9009\u62e9\uff0c\u6ca1\u6709\u914d\u7f6e\uff0c\u7b80\u5355\u7c97\u66b4\u4f46\u6709\u6548\u3002<\/p>\n<p>\u8fd9\u79cd\u8bbe\u8ba1\u7684\u597d\u5904\u662f\u663e\u800c\u6613\u89c1\u7684\uff1a\u5b66\u4e60\u6210\u672c\u6781\u4f4e\uff0c\u4f7f\u7528\u7b80\u5355\uff0c\u4e0d\u5bb9\u6613\u51fa\u9519\u3002\u5f53\u4f60\u9700\u8981\u8ba1\u7b97\u5b9a\u65f6\u5668\u7684\u5b9a\u65f6\u65f6\u95f4\u65f6\uff0c\u516c\u5f0f\u662f\u56fa\u5b9a\u7684\uff1a<code>\u5b9a\u65f6\u65f6\u95f4 = (65536 - \u521d\u503c) \u00d7 12 \/ \u6676\u632f\u9891\u7387<\/code>\u3002\u8fd9\u4e2a\u516c\u5f0f\u4e2d\uff0c\u53ea\u6709\u521d\u503c\u662f\u53d8\u91cf\uff0c\u5176\u4ed6\u53c2\u6570\u90fd\u662f\u5e38\u6570\u3002\u5373\u4f7f\u662f\u521d\u5b66\u8005\uff0c\u4e5f\u80fd\u5f88\u5feb\u638c\u63e1\u8fd9\u79cd\u8ba1\u7b97\u65b9\u6cd5\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5b6651\u7684\u65f6\u5019\uff0c\u65f6\u949f\u4ece\u6765\u4e0d\u662f\u95ee\u9898\u3002\u751a\u81f3\u5728\u5f88\u957f\u65f6\u95f4\u91cc\uff0c\u6211\u90fd\u6ca1\u6709\u610f\u8bc6\u5230\u65f6\u949f\u7cfb\u7edf\u7684\u5b58\u5728\uff0c\u53ea\u662f\u628a\u5b83\u5f53\u4f5c\u4e00\u4e2a\u56fa\u5b9a\u7684\u80cc\u666f\u53c2\u6570\u3002\u9700\u89811ms\u7684\u5ef6\u65f6\uff1f\u8bbe\u7f6e\u5b9a\u65f6\u5668\u521d\u503c\u4e3a65536-1000\uff1b\u9700\u898110ms\u7684\u5ef6\u65f6\uff1f\u8bbe\u7f6e\u521d\u503c\u4e3a65536-10000\u3002\u7b80\u5355\u7684\u7b97\u672f\u8fd0\u7b97\uff0c\u6ca1\u6709\u4efb\u4f55\u590d\u6742\u7684\u6982\u5ff5\u3002<\/p>\n<p>\u8fd9\u79cd\u7b80\u5355\u6027\u4e5f\u4f53\u73b0\u5728\u786c\u4ef6\u8bbe\u8ba1\u4e0a\u300251\u7684\u5916\u56f4\u7535\u8def\u975e\u5e38\u7b80\u5355\uff1a\u4e24\u4e2a\u7535\u5bb9\u3001\u4e00\u4e2a\u6676\u632f\u3001\u51e0\u4e2a\u4e0a\u62c9\u7535\u963b\uff0c\u57fa\u672c\u7684\u7535\u8def\u5c31\u642d\u5efa\u5b8c\u6210\u4e86\u3002\u5373\u4f7f\u662f\u5bf9\u786c\u4ef6\u4e0d\u592a\u719f\u6089\u7684\u8f6f\u4ef6\u5de5\u7a0b\u5e08\uff0c\u4e5f\u80fd\u5f88\u5feb\u4e0a\u624b\u3002\u800c\u4e14\u7531\u4e8e\u65f6\u949f\u9891\u7387\u56fa\u5b9a\uff0cEMI\u95ee\u9898\u76f8\u5bf9\u8f83\u5c11\uff0cPCB\u8bbe\u8ba1\u4e5f\u6bd4\u8f83\u7b80\u5355\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u79cd&#8221;\u4e00\u5200\u5207&#8221;\u7684\u8bbe\u8ba1\u4e5f\u5e26\u6765\u4e86\u660e\u663e\u7684\u5c40\u9650\u6027\uff1a<\/p>\n<p>\u9996\u5148\u662f\u6027\u80fd\u9650\u5236\u3002\u56fa\u5b9a\u7684\u65f6\u949f\u9891\u7387\u610f\u5473\u7740\u7cfb\u7edf\u6027\u80fd\u662f\u56fa\u5b9a\u7684\uff0c\u65e0\u6cd5\u6839\u636e\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u5f53\u9700\u8981\u9ad8\u901f\u5904\u7406\u65f6\uff0c1MHz\u7684\u65f6\u949f\u660e\u663e\u4e0d\u591f\uff1b\u5f53\u9700\u8981\u4f4e\u529f\u8017\u65f6\uff0c1MHz\u7684\u65f6\u949f\u53c8\u663e\u5f97\u592a\u5feb\u3002<\/p>\n<p>\u5176\u6b21\u662f\u8d44\u6e90\u6d6a\u8d39\u3002\u6240\u6709\u7684\u6a21\u5757\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u65f6\u949f\uff0c\u5373\u4f7f\u67d0\u4e9b\u6a21\u5757\u4e0d\u9700\u8981\u8fd9\u4e48\u9ad8\u7684\u9891\u7387\u3002\u6bd4\u5982\u4e00\u4e2a\u7b80\u5355\u7684\u8ba1\u6570\u5668\u53ef\u80fd\u53ea\u9700\u8981\u51e0kHz\u7684\u65f6\u949f\uff0c\u4f46\u4e5f\u5fc5\u987b\u4f7f\u75281MHz\u7684\u65f6\u949f\uff0c\u8fd9\u5c31\u9020\u6210\u4e86\u4e0d\u5fc5\u8981\u7684\u529f\u8017\u3002<\/p>\n<p>\u7b2c\u4e09\u662f\u7075\u6d3b\u6027\u4e0d\u8db3\u3002\u56fa\u5b9a\u7684\u65f6\u949f\u9891\u7387\u9650\u5236\u4e86\u7cfb\u7edf\u7684\u5e94\u7528\u8303\u56f4\u3002\u67d0\u4e9b\u9700\u8981\u7279\u6b8a\u65f6\u949f\u9891\u7387\u7684\u5e94\u7528\uff08\u6bd4\u5982\u7279\u5b9a\u6ce2\u7279\u7387\u7684\u4e32\u53e3\u901a\u4fe1\uff09\u53ef\u80fd\u65e0\u6cd5\u7cbe\u786e\u5b9e\u73b0\u3002<\/p>\n<p><strong>STM32\u7684&#8221;\u7cbe\u5bc6\u5de5\u7a0b&#8221;\u65f6\u949f\u54f2\u5b66<\/strong><\/p>\n<p>STM32\u7684\u65f6\u949f\u7cfb\u7edf\u5219\u4ee3\u8868\u4e86\u4e00\u79cd&#8221;\u7cbe\u5bc6\u5de5\u7a0b&#8221;\u7684\u8bbe\u8ba1\u54f2\u5b66\u3002\u8fd9\u79cd\u8bbe\u8ba1\u8bd5\u56fe\u4e3a\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u63d0\u4f9b\u6700\u4f18\u7684\u65f6\u949f\u89e3\u51b3\u65b9\u6848\uff0c\u901a\u8fc7\u590d\u6742\u7684\u65f6\u949f\u7ba1\u7406\u7cfb\u7edf\u6765\u5e73\u8861\u6027\u80fd\u3001\u529f\u8017\u548c\u7075\u6d3b\u6027\u3002<\/p>\n<p>STM32\u7684\u65f6\u949f\u7cfb\u7edf\u5305\u542b\u591a\u4e2a\u65f6\u949f\u6e90\uff1a<\/p>\n<p><strong>\u5916\u90e8\u9ad8\u901f\u65f6\u949f\uff08HSE\uff09<\/strong>\uff1a\u901a\u5e38\u662f8MHz\u621625MHz\u7684\u6676\u632f\uff0c\u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u7684\u65f6\u949f\u57fa\u51c6\u3002\u8fd9\u4e2a\u65f6\u949f\u7684\u7cbe\u5ea6\u901a\u5e38\u5728\u00b120ppm\u4ee5\u5185\uff0c\u9002\u5408\u5bf9\u65f6\u949f\u7cbe\u5ea6\u8981\u6c42\u9ad8\u7684\u5e94\u7528\uff0c\u6bd4\u5982\u7cbe\u786e\u5b9a\u65f6\u3001\u901a\u4fe1\u534f\u8bae\u7b49\u3002<\/p>\n<p><strong>\u5185\u90e8\u9ad8\u901f\u65f6\u949f\uff08HSI\uff09<\/strong>\uff1a16MHz\u7684RC\u632f\u8361\u5668\uff0c\u7cbe\u5ea6\u7a0d\u4f4e\uff08\u901a\u5e38\u5728\u00b11%\u5de6\u53f3\uff09\uff0c\u4f46\u4e0d\u9700\u8981\u5916\u90e8\u5668\u4ef6\uff0c\u8282\u7701\u6210\u672c\u548cPCB\u9762\u79ef\u3002\u9002\u5408\u5bf9\u65f6\u949f\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\u4f46\u5bf9\u6210\u672c\u654f\u611f\u7684\u5e94\u7528\u3002<\/p>\n<p><strong>\u5916\u90e8\u4f4e\u901f\u65f6\u949f\uff08LSE\uff09<\/strong>\uff1a32.768kHz\u7684\u6676\u632f\uff0c\u4e13\u95e8\u4e3a\u5b9e\u65f6\u65f6\u949f\uff08RTC\uff09\u8bbe\u8ba1\u3002\u8fd9\u4e2a\u9891\u7387\u7684\u9009\u62e9\u5f88\u5de7\u5999\uff1a32768 = 2^15\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u4e8c\u8fdb\u5236\u5206\u9891\u5f97\u52301Hz\u7684\u79d2\u8109\u51b2\u3002<\/p>\n<p><strong>\u5185\u90e8\u4f4e\u901f\u65f6\u949f\uff08LSI\uff09<\/strong>\uff1a\u5927\u7ea640kHz\u7684RC\u632f\u8361\u5668\uff0c\u4e3b\u8981\u7528\u4e8e\u72ec\u7acb\u770b\u95e8\u72d7\u548c\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u3002<\/p>\n<p>\u5728\u8fd9\u4e9b\u65f6\u949f\u6e90\u7684\u57fa\u7840\u4e0a\uff0cSTM32\u8fd8\u63d0\u4f9b\u4e86\u590d\u6742\u7684\u65f6\u949f\u5904\u7406\u7535\u8def\uff1a<\/p>\n<p><strong>PLL\u9501\u76f8\u73af<\/strong>\uff1a\u53ef\u4ee5\u5c06\u8f93\u5165\u65f6\u949f\u500d\u9891\u5230\u66f4\u9ad8\u7684\u9891\u7387\u3002\u6bd4\u5982\u75288MHz\u7684HSE\u4f5c\u4e3a\u8f93\u5165\uff0c\u901a\u8fc7PLL\u53ef\u4ee5\u4ea7\u751f72MHz\u3001168MHz\u751a\u81f3\u66f4\u9ad8\u7684\u7cfb\u7edf\u65f6\u949f\u3002PLL\u7684\u914d\u7f6e\u6d89\u53ca\u591a\u4e2a\u53c2\u6570\uff1a\u8f93\u5165\u5206\u9891\u7cfb\u6570\u3001\u500d\u9891\u7cfb\u6570\u3001\u8f93\u51fa\u5206\u9891\u7cfb\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u7684\u7ec4\u5408\u53ef\u4ee5\u4ea7\u751f\u5404\u79cd\u4e0d\u540c\u7684\u8f93\u51fa\u9891\u7387\u3002<\/p>\n<p><strong>\u65f6\u949f\u9009\u62e9\u5668<\/strong>\uff1a\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u65f6\u949f\u6e90\u4f5c\u4e3a\u7cfb\u7edf\u65f6\u949f\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u6c42\u5728\u4e0d\u540c\u65f6\u949f\u6e90\u4e4b\u95f4\u5207\u6362\uff0c\u6bd4\u5982\u5728\u9ad8\u6027\u80fd\u6a21\u5f0f\u4e0b\u4f7f\u7528PLL\u8f93\u51fa\uff0c\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u4f7f\u7528LSI\u6216LSE\u3002<\/p>\n<p><strong>\u5206\u9891\u5668\u7f51\u7edc<\/strong>\uff1a\u5c06\u7cfb\u7edf\u65f6\u949f\u5206\u9891\u4ea7\u751f\u4e0d\u540c\u9891\u7387\u7684\u603b\u7ebf\u65f6\u949f\u3002AHB\u603b\u7ebf\u3001APB1\u603b\u7ebf\u3001APB2\u603b\u7ebf\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u65f6\u949f\u9891\u7387\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u5916\u8bbe\u7684\u9700\u6c42\u3002<\/p>\n<p><strong>\u5916\u8bbe\u65f6\u949f\u95e8\u63a7<\/strong>\uff1a\u6bcf\u4e2a\u5916\u8bbe\u90fd\u6709\u72ec\u7acb\u7684\u65f6\u949f\u4f7f\u80fd\u63a7\u5236\uff0c\u4e0d\u4f7f\u7528\u7684\u5916\u8bbe\u53ef\u4ee5\u5173\u95ed\u65f6\u949f\u4ee5\u8282\u7701\u529f\u8017\u3002<\/p>\n<p>\u8fd9\u79cd\u590d\u6742\u7684\u65f6\u949f\u7cfb\u7edf\u7b2c\u4e00\u6b21\u770b\u5230\u65f6\u786e\u5b9e\u8ba9\u4eba\u5934\u5927\u3002\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u6253\u5f00STM32\u7684\u65f6\u949f\u6811\u56fe\u65f6\uff0c\u90a3\u5bc6\u5bc6\u9ebb\u9ebb\u7684\u7ebf\u6761\u548c\u9009\u62e9\u5668\u770b\u5f97\u6211\u773c\u82b1\u7f2d\u4e71\u3002\u5404\u79cd\u7f29\u5199\uff1aHSE\u3001HSI\u3001LSE\u3001LSI\u3001PLL\u3001SYSCLK\u3001HCLK\u3001PCLK1\u3001PCLK2&#8230;\u6bcf\u4e2a\u90fd\u4ee3\u8868\u4ec0\u4e48\u610f\u601d\uff1f\u5b83\u4eec\u4e4b\u95f4\u662f\u4ec0\u4e48\u5173\u7cfb\uff1f\u5982\u4f55\u914d\u7f6e\u624d\u80fd\u5f97\u5230\u6211\u9700\u8981\u7684\u65f6\u949f\u9891\u7387\uff1f<\/p>\n<p><strong>\u590d\u6742\u6027\u80cc\u540e\u7684\u8bbe\u8ba1\u667a\u6167<\/strong><\/p>\n<p>\u4f46\u662f\uff0c\u5f53\u6211\u9010\u6e10\u7406\u89e3STM32\u65f6\u949f\u7cfb\u7edf\u7684\u8bbe\u8ba1\u601d\u60f3\u540e\uff0c\u6211\u5f00\u59cb\u6b23\u8d4f\u8fd9\u79cd\u590d\u6742\u6027\u80cc\u540e\u7684\u667a\u6167\u3002\u8fd9\u79cd\u590d\u6742\u7684\u8bbe\u8ba1\u5b9e\u9645\u4e0a\u662f\u4e3a\u4e86\u89e3\u51b3\u73b0\u5b9e\u4e16\u754c\u7684\u590d\u6742\u9700\u6c42\uff1a<\/p>\n<p><strong>\u6027\u80fd\u9700\u6c42\u7684\u591a\u6837\u6027<\/strong>\uff1a\u4e0d\u540c\u7684\u5e94\u7528\u5bf9\u6027\u80fd\u6709\u4e0d\u540c\u7684\u8981\u6c42\u3002\u9ad8\u901f\u6570\u636e\u5904\u7406\u9700\u8981\u9ad8\u9891\u65f6\u949f\uff0c\u7b80\u5355\u7684\u63a7\u5236\u4efb\u52a1\u53ea\u9700\u8981\u4f4e\u9891\u65f6\u949f\u3002\u901a\u8fc7\u7075\u6d3b\u7684\u65f6\u949f\u914d\u7f6e\uff0c\u53ef\u4ee5\u4e3a\u6bcf\u79cd\u5e94\u7528\u63d0\u4f9b\u6700\u9002\u5408\u7684\u6027\u80fd\u3002<\/p>\n<p><strong>\u529f\u8017\u9700\u6c42\u7684\u4e25\u683c\u6027<\/strong>\uff1a\u73b0\u4ee3\u5d4c\u5165\u5f0f\u5e94\u7528\u5bf9\u529f\u8017\u7684\u8981\u6c42\u8d8a\u6765\u8d8a\u4e25\u683c\uff0c\u7279\u522b\u662f\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u3002\u901a\u8fc7\u7cbe\u7ec6\u7684\u65f6\u949f\u7ba1\u7406\uff0c\u53ef\u4ee5\u5728\u6ee1\u8db3\u6027\u80fd\u8981\u6c42\u7684\u524d\u63d0\u4e0b\u6700\u5c0f\u5316\u529f\u8017\u3002\u4e0d\u9700\u8981\u7684\u5916\u8bbe\u53ef\u4ee5\u5173\u95ed\u65f6\u949f\uff0c\u4e0d\u540c\u7684\u5916\u8bbe\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u9891\u7387\u7684\u65f6\u949f\u3002<\/p>\n<p><strong>\u7cbe\u5ea6\u9700\u6c42\u7684\u5dee\u5f02\u6027<\/strong>\uff1a\u4e0d\u540c\u7684\u5e94\u7528\u5bf9\u65f6\u949f\u7cbe\u5ea6\u6709\u4e0d\u540c\u7684\u8981\u6c42\u3002\u901a\u4fe1\u534f\u8bae\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u65f6\u949f\u6765\u4fdd\u8bc1\u6ce2\u7279\u7387\u51c6\u786e\uff1b\u800c\u7b80\u5355\u7684LED\u95ea\u70c1\u5bf9\u65f6\u949f\u7cbe\u5ea6\u8981\u6c42\u5f88\u4f4e\u3002\u901a\u8fc7\u63d0\u4f9b\u4e0d\u540c\u7cbe\u5ea6\u7684\u65f6\u949f\u6e90\uff0c\u53ef\u4ee5\u5728\u7cbe\u5ea6\u548c\u6210\u672c\u4e4b\u95f4\u627e\u5230\u5e73\u8861\u3002<\/p>\n<p><strong>\u5b9e\u65f6\u6027\u9700\u6c42\u7684\u590d\u6742\u6027<\/strong>\uff1a\u73b0\u4ee3\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f80\u5f80\u9700\u8981\u5904\u7406\u591a\u4e2a\u5e76\u53d1\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u3002\u901a\u8fc7\u5206\u7ea7\u7684\u603b\u7ebf\u65f6\u949f\uff0c\u53ef\u4ee5\u4e3a\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\u63d0\u4f9b\u4e0d\u540c\u7684\u65f6\u949f\u8d44\u6e90\u3002<\/p>\n<p><strong>\u5b66\u4e60\u66f2\u7ebf\u7684\u9661\u5ced\u6027\u4e0e\u7a81\u7834\u7b56\u7565<\/strong><\/p>\n<p>STM32\u65f6\u949f\u7cfb\u7edf\u7684\u590d\u6742\u6027\u786e\u5b9e\u9020\u6210\u4e86\u5b66\u4e60\u66f2\u7ebf\u7684\u9661\u5ced\uff0c\u4f46\u8fd9\u79cd\u590d\u6742\u6027\u662f\u6709\u5fc5\u8981\u7684\u3002\u5173\u952e\u662f\u8981\u627e\u5230\u6b63\u786e\u7684\u5b66\u4e60\u65b9\u6cd5\u6765\u514b\u670d\u8fd9\u79cd\u56f0\u96be\uff1a<\/p>\n<p><strong>\u4ece\u7b80\u5355\u5f00\u59cb<\/strong>\uff1a\u4e0d\u8981\u8bd5\u56fe\u4e00\u5f00\u59cb\u5c31\u7406\u89e3\u6240\u6709\u7684\u65f6\u949f\u914d\u7f6e\u3002\u5148\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e\u6216\u8005STM32CubeMX\u751f\u6210\u7684\u914d\u7f6e\uff0c\u8ba9\u7cfb\u7edf\u8dd1\u8d77\u6765\u3002\u7b49\u5bf9\u6574\u4f53\u6709\u4e86\u611f\u6027\u8ba4\u8bc6\u540e\uff0c\u518d\u9010\u6b65\u6df1\u5165\u5b66\u4e60\u5404\u4e2a\u90e8\u5206\u3002<\/p>\n<p><strong>\u7406\u89e3\u8bbe\u8ba1\u76ee\u7684<\/strong>\uff1a\u6bcf\u4e00\u4e2a\u590d\u6742\u7684\u8bbe\u8ba1\u90fd\u6709\u5176\u76ee\u7684\u3002\u5f53\u4f60\u7406\u89e3\u4e86\u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u4e48\u590d\u6742\u7684\u65f6\u949f\u7cfb\u7edf\u540e\uff0c\u5b66\u4e60\u5c31\u53d8\u5f97\u6709\u52a8\u529b\u4e86\u3002\u4e0d\u662f\u4e3a\u4e86\u590d\u6742\u800c\u590d\u6742\uff0c\u800c\u662f\u4e3a\u4e86\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<p><strong>\u7ed3\u5408\u5b9e\u9645\u5e94\u7528<\/strong>\uff1a\u901a\u8fc7\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u6765\u5b66\u4e60\u65f6\u949f\u914d\u7f6e\u3002\u6bd4\u5982\u505a\u4e00\u4e2a\u4f4e\u529f\u8017\u7684\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff0c\u4f60\u5c31\u4f1a\u7406\u89e3\u4e3a\u4ec0\u4e48\u9700\u8981\u4f4e\u901f\u65f6\u949f\uff1b\u505a\u4e00\u4e2a\u9ad8\u901f\u6570\u636e\u5904\u7406\u7cfb\u7edf\uff0c\u4f60\u5c31\u4f1a\u7406\u89e3\u4e3a\u4ec0\u4e48\u9700\u8981PLL\u500d\u9891\u3002<\/p>\n<p><strong>\u5de5\u5177\u8f85\u52a9\u5b66\u4e60<\/strong>\uff1a\u5145\u5206\u5229\u7528STM32CubeMX\u7b49\u5de5\u5177\u6765\u7406\u89e3\u65f6\u949f\u914d\u7f6e\u3002\u8fd9\u4e2a\u5de5\u5177\u867d\u7136\u589e\u52a0\u4e86\u62bd\u8c61\u5c42\u6b21\uff0c\u4f46\u5b83\u7684\u56fe\u5f62\u5316\u754c\u9762\u80fd\u591f\u5e2e\u52a9\u4f60\u76f4\u89c2\u5730\u7406\u89e3\u65f6\u949f\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4f60\u53ef\u4ee5\u5728\u56fe\u5f62\u754c\u9762\u4e0a\u4fee\u6539\u914d\u7f6e\uff0c\u89c2\u5bdf\u5bf9\u7cfb\u7edf\u5176\u4ed6\u90e8\u5206\u7684\u5f71\u54cd\uff0c\u8fd9\u79cd\u53ef\u89c6\u5316\u7684\u5b66\u4e60\u65b9\u5f0f\u6bd4\u5355\u7eaf\u770b\u6587\u6863\u8981\u6709\u6548\u5f97\u591a\u3002<\/p>\n<p><strong>\u5bf9\u6bd4\u5206\u6790\u65b9\u6cd5<\/strong>\uff1a\u901a\u8fc7\u5bf9\u6bd4\u4e0d\u540c\u914d\u7f6e\u7684\u6548\u679c\u6765\u7406\u89e3\u5404\u4e2a\u53c2\u6570\u7684\u4f5c\u7528\u3002\u6bd4\u5982\u5bf9\u6bd4\u4f7f\u7528HSI\u548cHSE\u7684\u5dee\u5f02\uff0c\u5bf9\u6bd4\u4e0d\u540cPLL\u914d\u7f6e\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5bf9\u6bd4\u5f00\u542f\u548c\u5173\u95ed\u5916\u8bbe\u65f6\u949f\u5bf9\u529f\u8017\u7684\u5f71\u54cd\u3002\u8fd9\u79cd\u5bf9\u6bd4\u5206\u6790\u80fd\u591f\u5e2e\u52a9\u4f60\u5efa\u7acb\u5bf9\u65f6\u949f\u7cfb\u7edf\u7684\u6df1\u5165\u7406\u89e3\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u771f\u6b63\u7406\u89e3STM32\u65f6\u949f\u7cfb\u7edf\u662f\u5728\u505a\u4e00\u4e2a\u7535\u6c60\u4f9b\u7535\u9879\u76ee\u7684\u65f6\u5019\u3002\u5ba2\u6237\u8981\u6c42\u8bbe\u5907\u80fd\u591f\u8fde\u7eed\u5de5\u4f5c\u4e00\u5e74\u4ee5\u4e0a\uff0c\u8fd9\u5bf9\u529f\u8017\u63d0\u51fa\u4e86\u6781\u9ad8\u7684\u8981\u6c42\u3002\u4e3a\u4e86\u8fbe\u5230\u8fd9\u4e2a\u76ee\u6807\uff0c\u6211\u4e0d\u5f97\u4e0d\u6df1\u5165\u7814\u7a76\u65f6\u949f\u7cfb\u7edf\u7684\u6bcf\u4e00\u4e2a\u7ec6\u8282\uff1a\u5728\u6b63\u5e38\u5de5\u4f5c\u65f6\u4f7f\u7528\u9ad8\u9891\u65f6\u949f\u4fdd\u8bc1\u6027\u80fd\uff0c\u5728\u5f85\u673a\u65f6\u5207\u6362\u5230\u4f4e\u9891\u65f6\u949f\u964d\u4f4e\u529f\u8017\uff0c\u4e0d\u4f7f\u7528\u7684\u5916\u8bbe\u53ca\u65f6\u5173\u95ed\u65f6\u949f\u3002\u901a\u8fc7\u7cbe\u5fc3\u7684\u65f6\u949f\u7ba1\u7406\uff0c\u6700\u7ec8\u5c06\u5e73\u5747\u529f\u8017\u4ece\u51e0\u5341\u6beb\u5b89\u964d\u4f4e\u5230\u51e0\u5fae\u5b89\uff0c\u6210\u529f\u6ee1\u8db3\u4e86\u5ba2\u6237\u9700\u6c42\u3002\u8fd9\u4e2a\u9879\u76ee\u8ba9\u6211\u771f\u6b63\u4f53\u4f1a\u5230\u4e86STM32\u65f6\u949f\u7cfb\u7edf\u8bbe\u8ba1\u7684\u7cbe\u5999\u4e4b\u5904\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000046829740\" alt=\"\u65f6\u949f\u7cfb\u7edf\u8bbe\u8ba1\u54f2\u5b66\u5bf9\u6bd4\u56fe\" title=\"\u65f6\u949f\u7cfb\u7edf\u8bbe\u8ba1\u54f2\u5b66\u5bf9\u6bd4\u56fe\" loading=\"lazy\"><\/p>\n<h2><strong>\u4e2d\u65ad\u5904\u7406\u673a\u5236\u7684\u4ee3\u9645\u8de8\u8d8a\u2014\u2014\u4ece\u7b80\u5355\u4f18\u5148\u7ea7\u5230\u590d\u6742\u4ef2\u88c1<\/strong><\/h2>\n<p>\u9664\u4e86\u65f6\u949f\u7cfb\u7edf\u4e4b\u5916\uff0c\u4e2d\u65ad\u5904\u7406\u673a\u5236\u7684\u5de8\u5927\u53d8\u5316\u4e5f\u662f\u9020\u6210\u5b66\u4e60\u56f0\u96be\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4ece51\u7684\u7b80\u5355\u4e2d\u65ad\u5230STM32\u7684NVIC\uff08\u5d4c\u5957\u5411\u91cf\u4e2d\u65ad\u63a7\u5236\u5668\uff09\uff0c\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u529f\u80fd\u7684\u589e\u5f3a\uff0c\u66f4\u662f\u6574\u4e2a\u4e2d\u65ad\u5904\u7406\u54f2\u5b66\u7684\u6839\u672c\u6027\u53d8\u9769\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u6734\u7d20\u4e2d\u65ad&#8221;\u673a\u5236<\/strong><\/p>\n<p>51\u5355\u7247\u673a\u7684\u4e2d\u65ad\u7cfb\u7edf\u4f53\u73b0\u4e86\u65e9\u671f\u5fae\u63a7\u5236\u5668&#8221;\u591f\u7528\u5c31\u597d&#8221;\u7684\u8bbe\u8ba1\u601d\u60f3\u3002\u6574\u4e2a\u7cfb\u7edf\u53ea\u67095\u4e2a\u4e2d\u65ad\u6e90\uff1a\u5916\u90e8\u4e2d\u65ad0\u548c1\u3001\u5b9a\u65f6\u5668\/\u8ba1\u6570\u56680\u548c1\u3001\u4e32\u884c\u53e3\u4e2d\u65ad\u3002\u6bcf\u4e2a\u4e2d\u65ad\u6e90\u90fd\u6709\u56fa\u5b9a\u7684\u4e2d\u65ad\u5411\u91cf\u5730\u5740\uff0c\u4e2d\u65ad\u4f18\u5148\u7ea7\u53ea\u6709\u4e24\u7ea7\uff1a\u9ad8\u4f18\u5148\u7ea7\u548c\u4f4e\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u8fd9\u79cd\u7b80\u5355\u7684\u4e2d\u65ad\u673a\u5236\u6700\u5927\u7684\u4f18\u70b9\u5c31\u662f\u5bb9\u6613\u7406\u89e3\u548c\u4f7f\u7528\u3002\u5f53\u5916\u90e8\u4e2d\u65ad0\u53d1\u751f\u65f6\uff0cCPU\u4f1a\u81ea\u52a8\u8df3\u8f6c\u52300003H\u5730\u5740\u6267\u884c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff1b\u5f53\u5b9a\u65f6\u56680\u6ea2\u51fa\u65f6\uff0c\u4f1a\u8df3\u8f6c\u5230000BH\u5730\u5740\u3002\u8fd9\u79cd\u56fa\u5b9a\u7684\u6620\u5c04\u5173\u7cfb\u8ba9\u521d\u5b66\u8005\u5f88\u5bb9\u6613\u5efa\u7acb\u5bf9\u4e2d\u65ad\u7684\u76f4\u89c2\u8ba4\u8bc6\u3002<\/p>\n<p>\u914d\u7f6e51\u7684\u4e2d\u65ad\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u51e0\u884c\u4ee3\u7801\u5c31\u80fd\u641e\u5b9a\uff1a<\/p>\n<pre><code class=\"c\">IT0 = 1;        \/\/ \u5916\u90e8\u4e2d\u65ad0\u8bbe\u7f6e\u4e3a\u8fb9\u6cbf\u89e6\u53d1\nEX0 = 1;        \/\/ \u5141\u8bb8\u5916\u90e8\u4e2d\u65ad0\nEA = 1;         \/\/ \u5f00\u603b\u4e2d\u65ad<\/code><\/pre>\n<p>\u4e2d\u65ad\u4f18\u5148\u7ea7\u7684\u7ba1\u7406\u4e5f\u5f88\u7b80\u5355\uff1a\u901a\u8fc7IP\u5bc4\u5b58\u5668\u8bbe\u7f6e\u6bcf\u4e2a\u4e2d\u65ad\u6e90\u7684\u4f18\u5148\u7ea7\uff0c0\u8868\u793a\u4f4e\u4f18\u5148\u7ea7\uff0c1\u8868\u793a\u9ad8\u4f18\u5148\u7ea7\u3002\u9ad8\u4f18\u5148\u7ea7\u4e2d\u65ad\u53ef\u4ee5\u6253\u65ad\u4f4e\u4f18\u5148\u7ea7\u4e2d\u65ad\u7684\u6267\u884c\uff0c\u4f46\u540c\u7ea7\u4e2d\u65ad\u4e4b\u95f4\u4e0d\u80fd\u76f8\u4e92\u6253\u65ad\u3002\u8fd9\u79cd\u7b80\u5355\u7684\u4f18\u5148\u7ea7\u673a\u5236\u867d\u7136\u4e0d\u591f\u7075\u6d3b\uff0c\u4f46\u5bf9\u4e8e\u5927\u591a\u6570\u7b80\u5355\u5e94\u7528\u6765\u8bf4\u662f\u8db3\u591f\u7684\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5b6651\u4e2d\u65ad\u7684\u65f6\u5019\uff0c\u6700\u8ba9\u6211\u5174\u594b\u7684\u662f\u7b2c\u4e00\u6b21\u4f53\u9a8c&#8221;\u6309\u952e\u4e2d\u65ad&#8221;\u7684\u795e\u5947\u3002\u5728\u4e3b\u7a0b\u5e8f\u4e2dLED\u6b63\u5e38\u95ea\u70c1\uff0c\u5f53\u6309\u4e0b\u6309\u952e\u65f6\uff0c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7acb\u5373\u6267\u884c\uff0c\u6539\u53d8LED\u7684\u95ea\u70c1\u6a21\u5f0f\u3002\u8fd9\u79cd&#8221;\u5f02\u6b65\u54cd\u5e94&#8221;\u7684\u673a\u5236\u8ba9\u6211\u7b2c\u4e00\u6b21\u7406\u89e3\u4e86\u4e2d\u65ad\u7684\u672c\u8d28\uff1a\u8ba9CPU\u80fd\u591f\u53ca\u65f6\u54cd\u5e94\u5916\u90e8\u4e8b\u4ef6\u3002<\/p>\n<p>51\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7f16\u5199\u4e5f\u5f88\u76f4\u89c2\uff1a<\/p>\n<pre><code class=\"c\">void interrupt_0() interrupt 0\n{\n    \/\/ \u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u4ee3\u7801\n    \/\/ \u81ea\u52a8\u4fdd\u5b58\u548c\u6062\u590d\u5bc4\u5b58\u5668\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u751f\u6210\u4e2d\u65ad\u5411\u91cf\u8868\uff0c\u81ea\u52a8\u5904\u7406\u5bc4\u5b58\u5668\u7684\u4fdd\u5b58\u548c\u6062\u590d\uff0c\u7a0b\u5e8f\u5458\u53ea\u9700\u8981\u4e13\u6ce8\u4e8e\u4e2d\u65ad\u670d\u52a1\u903b\u8f91\u7684\u5b9e\u73b0\u3002\u8fd9\u79cd\u7b80\u5316\u5927\u5927\u964d\u4f4e\u4e86\u4e2d\u65ad\u7f16\u7a0b\u7684\u95e8\u69db\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u4e13\u4e1a\u7ea7NVIC&#8221;\u7cfb\u7edf<\/strong><\/p>\n<p>STM32\u7684\u4e2d\u65ad\u7cfb\u7edf\u5219\u662f\u4e00\u4e2a\u5b8c\u5168\u4e0d\u540c\u7684\u4e16\u754c\u3002\u57fa\u4e8eARM Cortex-M\u5185\u6838\u7684NVIC\uff08\u5d4c\u5957\u5411\u91cf\u4e2d\u65ad\u63a7\u5236\u5668\uff09\u662f\u4e00\u4e2a\u975e\u5e38\u5148\u8fdb\u548c\u590d\u6742\u7684\u4e2d\u65ad\u7ba1\u7406\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u76f8\u5e94\u7684\u590d\u6742\u6027\u3002<\/p>\n<p>\u9996\u5148\u662f\u4e2d\u65ad\u6e90\u6570\u91cf\u7684\u7206\u70b8\u5f0f\u589e\u957f\u3002STM32F103\u670960\u4e2a\u53ef\u5c4f\u853d\u4e2d\u65ad\uff0cSTM32F407\u670982\u4e2a\uff0c\u800cSTM32H7\u7cfb\u5217\u66f4\u662f\u8fbe\u5230\u4e86150\u591a\u4e2a\u3002\u8fd9\u4e9b\u4e2d\u65ad\u6e90\u6db5\u76d6\u4e86\u82af\u7247\u7684\u5404\u4e2a\u529f\u80fd\u6a21\u5757\uff1aGPIO\u5916\u90e8\u4e2d\u65ad\u3001\u5404\u79cd\u5b9a\u65f6\u5668\u4e2d\u65ad\u3001\u591a\u4e2a\u4e32\u53e3\u4e2d\u65ad\u3001SPI\/I2C\/CAN\u901a\u4fe1\u4e2d\u65ad\u3001ADC\/DAC\u8f6c\u6362\u4e2d\u65ad\u3001DMA\u4f20\u8f93\u4e2d\u65ad\u3001USB\u901a\u4fe1\u4e2d\u65ad\u7b49\u7b49\u3002<\/p>\n<p>\u6bcf\u4e2a\u4e2d\u65ad\u6e90\u90fd\u6709\u72ec\u7acb\u7684\u4e2d\u65ad\u5411\u91cf\uff0c\u4e0d\u518d\u662f51\u90a3\u6837\u7684\u56fa\u5b9a\u5730\u5740\uff0c\u800c\u662f\u901a\u8fc7\u4e2d\u65ad\u5411\u91cf\u8868\u8fdb\u884c\u7ba1\u7406\u3002\u8fd9\u4e2a\u5411\u91cf\u8868\u53ef\u4ee5\u91cd\u5b9a\u4f4d\uff0c\u5141\u8bb8\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u4fee\u6539\u4e2d\u65ad\u5411\u91cf\uff0c\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<p>\u4e2d\u65ad\u4f18\u5148\u7ea7\u7cfb\u7edf\u4e5f\u53d8\u5f97\u590d\u6742\u800c\u5f3a\u5927\u3002STM32\u4f7f\u75284\u4f4d\u6765\u8868\u793a\u4e2d\u65ad\u4f18\u5148\u7ea7\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u652f\u630116\u7ea7\u4f18\u5148\u7ea7\u3002\u4f46\u66f4\u5de7\u5999\u7684\u662f\uff0c\u8fd94\u4f4d\u88ab\u5206\u4e3a\u4e24\u90e8\u5206\uff1a\u62a2\u5360\u4f18\u5148\u7ea7\uff08Preemption Priority\uff09\u548c\u5b50\u4f18\u5148\u7ea7\uff08Sub Priority\uff09\u3002\u62a2\u5360\u4f18\u5148\u7ea7\u51b3\u5b9a\u4e86\u4e2d\u65ad\u80fd\u5426\u62a2\u5360\u5176\u4ed6\u6b63\u5728\u6267\u884c\u7684\u4e2d\u65ad\uff0c\u5b50\u4f18\u5148\u7ea7\u51b3\u5b9a\u4e86\u5728\u540c\u4e00\u62a2\u5360\u4f18\u5148\u7ea7\u5185\u7684\u4e2d\u65ad\u5904\u7406\u987a\u5e8f\u3002<\/p>\n<p>\u8fd9\u79cd\u4e24\u7ea7\u4f18\u5148\u7ea7\u7684\u8bbe\u8ba1\u975e\u5e38\u7075\u6d3b\u3002\u6bd4\u5982\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u4e3a2\u4f4d\u62a2\u5360\u4f18\u5148\u7ea7 + 2\u4f4d\u5b50\u4f18\u5148\u7ea7\uff0c\u8fd9\u6837\u5c31\u67094\u7ea7\u62a2\u5360\u4f18\u5148\u7ea7\uff0c\u6bcf\u7ea7\u5185\u90e8\u67094\u4e2a\u5b50\u4f18\u5148\u7ea7\u3002\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u4e3a3\u4f4d\u62a2\u5360\u4f18\u5148\u7ea7 + 1\u4f4d\u5b50\u4f18\u5148\u7ea7\uff0c\u5f97\u52308\u7ea7\u62a2\u5360\u4f18\u5148\u7ea7\uff0c\u6bcf\u7ea7\u5185\u90e8\u67092\u4e2a\u5b50\u4f18\u5148\u7ea7\u3002\u8fd9\u79cd\u914d\u7f6e\u7684\u7075\u6d3b\u6027\u8ba9\u4f60\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u6c42\u8bbe\u8ba1\u6700\u5408\u9002\u7684\u4e2d\u65ad\u4f18\u5148\u7ea7\u65b9\u6848\u3002<\/p>\n<p>\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6STM32\u4e2d\u65ad\u914d\u7f6e\u7684\u65f6\u5019\uff0c\u90a3\u590d\u6742\u7684\u914d\u7f6e\u4ee3\u7801\u8ba9\u6211\u5b8c\u5168\u61f5\u5708\uff1a<\/p>\n<pre><code class=\"c\">NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);\n\nNVIC_InitTypeDef NVIC_InitStructure;\nNVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;\nNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;\nNVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;\nNVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;\nNVIC_Init(&amp;NVIC_InitStructure);<\/code><\/pre>\n<p>\u4ec0\u4e48\u662fPriorityGroup\uff1f\u4ec0\u4e48\u662fPreemptionPriority\u548cSubPriority\uff1f\u4e3a\u4ec0\u4e48\u8981\u8fd9\u4e48\u590d\u6742\uff1f\u572851\u4e0a\u914d\u7f6e\u4e2d\u65ad\u53ea\u9700\u8981\u8bbe\u7f6e\u51e0\u4e2a\u4f4d\uff0c\u4e3a\u4ec0\u4e48\u5728STM32\u4e0a\u8981\u5199\u8fd9\u4e48\u591a\u4ee3\u7801\uff1f<\/p>\n<p><strong>\u4e2d\u65ad\u5d4c\u5957\u548c\u5c3e\u94fe\u4f18\u5316\u7684\u5148\u8fdb\u7279\u6027<\/strong><\/p>\n<p>STM32\u7684NVIC\u8fd8\u652f\u6301\u4e00\u4e9b\u975e\u5e38\u5148\u8fdb\u7684\u7279\u6027\uff0c\u8fd9\u4e9b\u7279\u6027\u572851\u65f6\u4ee3\u662f\u4e0d\u53ef\u60f3\u8c61\u7684\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u5d4c\u5957<\/strong>\uff1a\u9ad8\u4f18\u5148\u7ea7\u4e2d\u65ad\u53ef\u4ee5\u6253\u65ad\u4f4e\u4f18\u5148\u7ea7\u4e2d\u65ad\u7684\u6267\u884c\u3002\u8fd9\u79cd\u5d4c\u5957\u53ef\u4ee5\u6709\u591a\u7ea7\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u5d4c\u5957\u5230\u786c\u4ef6\u6808\u7684\u6df1\u5ea6\u9650\u5236\u3002\u8fd9\u79cd\u673a\u5236\u4fdd\u8bc1\u4e86\u7d27\u6025\u4e8b\u4ef6\u80fd\u591f\u5f97\u5230\u53ca\u65f6\u54cd\u5e94\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u3002<\/p>\n<p><strong>\u5c3e\u94fe\u4f18\u5316<\/strong>\uff1a\u5f53\u4e00\u4e2a\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7ed3\u675f\u540e\uff0c\u5982\u679c\u6709\u5176\u4ed6\u4e2d\u65ad\u7b49\u5f85\u5904\u7406\uff0cNVIC\u53ef\u4ee5\u76f4\u63a5\u8df3\u8f6c\u5230\u4e0b\u4e00\u4e2a\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff0c\u800c\u4e0d\u9700\u8981\u5148\u8fd4\u56de\u4e3b\u7a0b\u5e8f\u518d\u8fdb\u5165\u4e2d\u65ad\u3002\u8fd9\u79cd\u4f18\u5316\u51cf\u5c11\u4e86\u4e2d\u65ad\u5904\u7406\u7684\u5f00\u9500\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u6548\u7387\u3002<\/p>\n<p><strong>\u81ea\u52a8\u4e0a\u4e0b\u6587\u4fdd\u5b58<\/strong>\uff1a\u8fdb\u5165\u4e2d\u65ad\u65f6\uff0c\u786c\u4ef6\u81ea\u52a8\u5c06\u5173\u952e\u5bc4\u5b58\u5668\uff08R0-R3\u3001R12\u3001LR\u3001PC\u3001PSR\uff09\u538b\u5165\u6808\u4e2d\uff1b\u9000\u51fa\u4e2d\u65ad\u65f6\u81ea\u52a8\u6062\u590d\u3002\u8fd9\u79cd\u786c\u4ef6\u81ea\u52a8\u5316\u5927\u5927\u7b80\u5316\u4e86\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7684\u7f16\u5199\uff0c\u4e5f\u63d0\u9ad8\u4e86\u4e2d\u65ad\u54cd\u5e94\u7684\u901f\u5ea6\u3002<\/p>\n<p><strong>\u5ef6\u8fdf\u538b\u6808<\/strong>\uff1a\u5982\u679c\u4e2d\u65ad\u5d4c\u5957\u53d1\u751f\uff0cNVIC\u4f1a\u667a\u80fd\u5730\u7ba1\u7406\u6808\u64cd\u4f5c\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u538b\u6808\u548c\u51fa\u6808\u64cd\u4f5c\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<p>\u8fd9\u4e9b\u5148\u8fdb\u7279\u6027\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u7406\u89e3\u7684\u96be\u5ea6\u3002\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u8c03\u8bd5\u4e00\u4e2a\u6709\u591a\u5c42\u4e2d\u65ad\u5d4c\u5957\u7684\u7a0b\u5e8f\u65f6\uff0c\u5b8c\u5168\u641e\u4e0d\u6e05\u695a\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002\u54ea\u4e2a\u4e2d\u65ad\u5148\u6267\u884c\uff1f\u54ea\u4e2a\u4e2d\u65ad\u4f1a\u88ab\u62a2\u5360\uff1f\u6808\u7684\u72b6\u6001\u5982\u4f55\u53d8\u5316\uff1f\u8fd9\u4e9b\u95ee\u9898\u8ba9\u6211\u82b1\u8d39\u4e86\u5927\u91cf\u65f6\u95f4\u6765\u7406\u89e3\u548c\u638c\u63e1\u3002<\/p>\n<p><strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u590d\u6742\u6027\u4f53\u9a8c<\/strong><\/p>\n<p>STM32\u4e2d\u65ad\u7cfb\u7edf\u7684\u590d\u6742\u6027\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4f53\u73b0\u5f97\u66f4\u52a0\u660e\u663e\u3002\u6211\u5728\u505a\u4e00\u4e2a\u591a\u4efb\u52a1\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u65f6\uff0c\u9700\u8981\u540c\u65f6\u5904\u7406\u591a\u79cd\u4e2d\u65ad\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u9891\u5b9a\u65f6\u5668\u4e2d\u65ad<\/strong>\uff1a1kHz\u9891\u7387\uff0c\u7528\u4e8eADC\u91c7\u6837\u89e6\u53d1\uff0c\u8981\u6c42\u5b9e\u65f6\u6027\u6781\u9ad8<\/li>\n<li><strong>DMA\u4f20\u8f93\u5b8c\u6210\u4e2d\u65ad<\/strong>\uff1a\u5f53ADC\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u65f6\u89e6\u53d1\uff0c\u9700\u8981\u53ca\u65f6\u5904\u7406\u6570\u636e<\/li>\n<li><strong>\u4e32\u53e3\u63a5\u6536\u4e2d\u65ad<\/strong>\uff1a\u5904\u7406\u4e0a\u4f4d\u673a\u547d\u4ee4\uff0c\u54cd\u5e94\u4e0d\u80fd\u592a\u6162\u4f46\u4e0d\u662f\u6700\u7d27\u6025<\/li>\n<li><strong>\u5916\u90e8\u4e2d\u65ad<\/strong>\uff1a\u5904\u7406\u62a5\u8b66\u4fe1\u53f7\uff0c\u4f18\u5148\u7ea7\u4ec5\u6b21\u4e8e\u5b9a\u65f6\u5668\u4e2d\u65ad<\/li>\n<li><strong>\u7cfb\u7edf\u5b9a\u65f6\u4e2d\u65ad<\/strong>\uff1a1ms\u65f6\u57fa\uff0c\u7528\u4e8e\u7cfb\u7edf\u65f6\u95f4\u7ba1\u7406\u548c\u4efb\u52a1\u8c03\u5ea6<\/li>\n<\/ul>\n<p>\u5982\u4f55\u5408\u7406\u8bbe\u7f6e\u8fd9\u4e9b\u4e2d\u65ad\u7684\u4f18\u5148\u7ea7\uff1f\u5982\u4f55\u907f\u514d\u4e2d\u65ad\u51b2\u7a81\uff1f\u5982\u4f55\u4fdd\u8bc1\u5173\u952e\u4e2d\u65ad\u4e0d\u88ab\u963b\u585e\uff1f\u8fd9\u4e9b\u95ee\u9898\u572851\u65f6\u4ee3\u6839\u672c\u4e0d\u4f1a\u9047\u5230\uff0c\u56e0\u4e3a51\u6ca1\u6709\u8fd9\u4e48\u591a\u4e2d\u65ad\u6e90\uff0c\u4e5f\u6ca1\u6709\u8fd9\u4e48\u590d\u6742\u7684\u4f18\u5148\u7ea7\u673a\u5236\u3002<\/p>\n<p>\u7ecf\u8fc7\u53cd\u590d\u7684\u8bd5\u9a8c\u548c\u8c03\u8bd5\uff0c\u6211\u6700\u7ec8\u627e\u5230\u4e86\u5408\u9002\u7684\u914d\u7f6e\u65b9\u6848\uff1a\u5b9a\u65f6\u5668\u4e2d\u65ad\u8bbe\u7f6e\u4e3a\u6700\u9ad8\u62a2\u5360\u4f18\u5148\u7ea7\uff0cDMA\u4e2d\u65ad\u8bbe\u7f6e\u4e3a\u7b2c\u4e8c\u7ea7\uff0c\u5916\u90e8\u4e2d\u65ad\u7b2c\u4e09\u7ea7\uff0c\u4e32\u53e3\u4e2d\u65ad\u6700\u4f4e\u7ea7\u3002\u5728\u6bcf\u4e2a\u4f18\u5148\u7ea7\u5185\u90e8\uff0c\u518d\u901a\u8fc7\u5b50\u4f18\u5148\u7ea7\u8fdb\u884c\u7ec6\u5206\u3002\u8fd9\u79cd\u7cbe\u7ec6\u7684\u4f18\u5148\u7ea7\u7ba1\u7406\u4fdd\u8bc1\u4e86\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<p><strong>\u5b66\u4e60\u4e2d\u65ad\u7cfb\u7edf\u7684\u5fc3\u5f97\u4f53\u4f1a<\/strong><\/p>\n<p>\u56de\u987e\u5b66\u4e60STM32\u4e2d\u65ad\u7cfb\u7edf\u7684\u8fc7\u7a0b\uff0c\u6211\u603b\u7ed3\u4e86\u51e0\u4e2a\u91cd\u8981\u7684\u5fc3\u5f97\uff1a<\/p>\n<p><strong>\u7406\u89e3\u8bbe\u8ba1\u76ee\u7684<\/strong>\uff1aSTM32\u4e2d\u65ad\u7cfb\u7edf\u7684\u590d\u6742\u6027\u4e0d\u662f\u65e0\u610f\u4e49\u7684\uff0c\u5b83\u662f\u4e3a\u4e86\u5e94\u5bf9\u73b0\u4ee3\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u590d\u6742\u9700\u6c42\u3002\u7406\u89e3\u4e86\u8fd9\u4e00\u70b9\uff0c\u5c31\u80fd\u66f4\u597d\u5730\u63a5\u53d7\u548c\u5b66\u4e60\u8fd9\u79cd\u590d\u6742\u6027\u3002<\/p>\n<p><strong>\u4ece\u7b80\u5355\u5f00\u59cb<\/strong>\uff1a\u4e0d\u8981\u4e00\u5f00\u59cb\u5c31\u8bd5\u56fe\u7406\u89e3\u6240\u6709\u7684\u9ad8\u7ea7\u7279\u6027\u3002\u5148\u638c\u63e1\u57fa\u672c\u7684\u4e2d\u65ad\u914d\u7f6e\u548c\u4f7f\u7528\uff0c\u7136\u540e\u9010\u6b65\u5b66\u4e60\u4e2d\u65ad\u5d4c\u5957\u3001\u4f18\u5148\u7ea7\u7ba1\u7406\u7b49\u9ad8\u7ea7\u7279\u6027\u3002<\/p>\n<p><strong>\u5b9e\u8df5\u4e2d\u5b66\u4e60<\/strong>\uff1a\u4e2d\u65ad\u7cfb\u7edf\u7684\u5f88\u591a\u7279\u6027\u53ea\u6709\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u624d\u80fd\u6df1\u523b\u7406\u89e3\u3002\u901a\u8fc7\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u6765\u5b66\u4e60\uff0c\u6bd4\u5355\u7eaf\u770b\u6587\u6863\u8981\u6709\u6548\u5f97\u591a\u3002<\/p>\n<p><strong>\u5584\u7528\u8c03\u8bd5\u5de5\u5177<\/strong>\uff1a\u73b0\u4ee3\u7684\u8c03\u8bd5\u5de5\u5177\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4e2d\u65ad\u8c03\u8bd5\u529f\u80fd\uff0c\u53ef\u4ee5\u5b9e\u65f6\u89c2\u5bdf\u4e2d\u65ad\u7684\u89e6\u53d1\u3001\u5d4c\u5957\u3001\u6267\u884c\u65f6\u95f4\u7b49\u4fe1\u606f\u3002\u5145\u5206\u5229\u7528\u8fd9\u4e9b\u5de5\u5177\u80fd\u591f\u5927\u5927\u63d0\u9ad8\u5b66\u4e60\u6548\u7387\u3002<\/p>\n<p><strong>\u7cfb\u7edf\u6027\u601d\u8003<\/strong>\uff1a\u4e0d\u8981\u5b64\u7acb\u5730\u770b\u5f85\u4e2d\u65ad\u7cfb\u7edf\uff0c\u8981\u4ece\u6574\u4e2a\u7cfb\u7edf\u7684\u89d2\u5ea6\u6765\u7406\u89e3\u4e2d\u65ad\u7684\u4f5c\u7528\u548c\u5f71\u54cd\u3002\u4e2d\u65ad\u4e0e\u4efb\u52a1\u8c03\u5ea6\u3001\u5185\u5b58\u7ba1\u7406\u3001\u5916\u8bbe\u63a7\u5236\u7b49\u90fd\u6709\u5bc6\u5207\u5173\u7cfb\u3002<\/p>\n<p><img decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIs\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u5185\u5b58\u7ba1\u7406\u548c\u7a0b\u5e8f\u7ed3\u6784\u7684\u8d28\u53d8\u2014\u2014\u4ece\u7b80\u5355\u7ebf\u6027\u5230\u590d\u6742\u5c42\u6b21<\/strong><\/h2>\n<p>\u4ece51\u5230STM32\uff0c\u53e6\u4e00\u4e2a\u8ba9\u4eba\u611f\u5230\u5de8\u5927\u5dee\u5f02\u7684\u65b9\u9762\u662f\u5185\u5b58\u7ba1\u7406\u548c\u7a0b\u5e8f\u7ed3\u6784\u7684\u6839\u672c\u6027\u53d8\u5316\u3002\u8fd9\u79cd\u53d8\u5316\u4e0d\u4ec5\u4f53\u73b0\u5728\u6280\u672f\u7ec6\u8282\u4e0a\uff0c\u66f4\u4f53\u73b0\u5728\u7f16\u7a0b\u601d\u7ef4\u548c\u7cfb\u7edf\u8bbe\u8ba1\u7406\u5ff5\u7684\u8f6c\u53d8\u4e0a\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u7b80\u5355\u7ebf\u6027&#8221;\u5185\u5b58\u6a21\u578b<\/strong><\/p>\n<p>51\u5355\u7247\u673a\u7684\u5185\u5b58\u6a21\u578b\u7b80\u5355\u5f97\u5c31\u50cf\u4e00\u5f20\u767d\u7eb8\uff0c\u6e05\u6670\u660e\u4e86\uff0c\u5bb9\u6613\u7406\u89e3\u3002\u6574\u4e2a\u7cfb\u7edf\u7684\u5185\u5b58\u7a7a\u95f4\u5c0f\u5f97\u53ef\u601c\uff0c\u4f46\u4e5f\u56e0\u6b64\u7b80\u5355\uff1a<\/p>\n<p><strong>\u5185\u90e8RAM<\/strong>\uff1a\u53ea\u6709128\u5b57\u8282\uff08\u6216\u8005\u6269\u5c55\u578b\u7684256\u5b57\u8282\uff09\uff0c\u5730\u5740\u4ece00H\u52307FH\u3002\u8fd9\u70b9\u5185\u5b58\u5fc5\u987b\u7cbe\u6253\u7ec6\u7b97\u5730\u4f7f\u7528\uff0c\u6bcf\u4e2a\u5b57\u8282\u90fd\u5f88\u73cd\u8d35\u3002\u5176\u4e2d00H\u52301FH\u662f\u5bc4\u5b58\u5668\u7ec4\u533a\u57df\uff0c20H\u52302FH\u662f\u4f4d\u5bfb\u5740\u533a\uff0c30H\u52307FH\u662f\u4e00\u822c\u7528\u9014\u533a\u57df\u3002<\/p>\n<p><strong>\u7a0b\u5e8f\u5b58\u50a8\u5668<\/strong>\uff1a\u901a\u5e38\u51e0KB\u5230\u51e0\u5341KB\uff0c\u7528\u4e8e\u5b58\u653e\u7a0b\u5e8f\u4ee3\u7801\u548c\u5e38\u91cf\u6570\u636e\u3002\u7531\u4e8e\u5bb9\u91cf\u9650\u5236\uff0c\u7a0b\u5e8f\u4e0d\u80fd\u592a\u590d\u6742\uff0c\u8fd9\u53cd\u800c\u7b80\u5316\u4e86\u7a0b\u5e8f\u7ed3\u6784\u3002<\/p>\n<p><strong>\u5916\u90e8\u6269\u5c55<\/strong>\uff1a\u53ef\u4ee5\u6269\u5c55\u5916\u90e8RAM\u548cROM\uff0c\u4f46\u5730\u5740\u7a7a\u95f4\u6709\u9650\uff0c\u800c\u4e14\u8bbf\u95ee\u901f\u5ea6\u6162\u3002<\/p>\n<p>\u8fd9\u79cd\u7b80\u5355\u7684\u5185\u5b58\u6a21\u578b\u5e26\u6765\u4e86\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n<p>\u9996\u5148\u662f<strong>\u5185\u5b58\u5206\u914d\u7684\u786e\u5b9a\u6027<\/strong>\u3002\u7531\u4e8e\u5185\u5b58\u7a7a\u95f4\u5c0f\uff0c\u7a0b\u5e8f\u5458\u901a\u5e38\u4f1a\u624b\u5de5\u7ba1\u7406\u5185\u5b58\u5206\u914d\uff0c\u660e\u786e\u77e5\u9053\u6bcf\u4e2a\u53d8\u91cf\u5360\u7528\u54ea\u4e9b\u5185\u5b58\u5730\u5740\u3002\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u7b80\u5355\u660e\u786e\uff0c\u4e0d\u4f1a\u6709\u590d\u6742\u7684\u52a8\u6001\u5206\u914d\u548c\u91ca\u653e\u3002<\/p>\n<p>\u5176\u6b21\u662f<strong>\u7a0b\u5e8f\u7ed3\u6784\u7684\u6241\u5e73\u5316<\/strong>\u3002\u53d7\u9650\u4e8e\u5185\u5b58\u5bb9\u91cf\uff0c51\u7a0b\u5e8f\u7684\u7ed3\u6784\u901a\u5e38\u6bd4\u8f83\u6241\u5e73\uff0c\u51fd\u6570\u8c03\u7528\u5c42\u6b21\u4e0d\u6df1\uff0c\u6570\u636e\u7ed3\u6784\u7b80\u5355\u3002\u4e00\u4e2a\u5178\u578b\u768451\u7a0b\u5e8f\u53ef\u80fd\u5c31\u662f\u4e00\u4e2amain\u51fd\u6570\u52a0\u4e0a\u51e0\u4e2a\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff0c\u4ee3\u7801\u91cf\u901a\u5e38\u5728\u51e0\u767e\u884c\u5230\u51e0\u5343\u884c\u4e4b\u95f4\u3002<\/p>\n<p>\u7b2c\u4e09\u662f<strong>\u8c03\u8bd5\u7684\u76f4\u89c2\u6027<\/strong>\u3002\u7531\u4e8e\u5185\u5b58\u7a7a\u95f4\u5c0f\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u89c2\u5bdf\u5230\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u8c03\u8bd5\u65f6\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u5185\u5b58\u5185\u5bb9\uff0c\u8ddf\u8e2a\u53d8\u91cf\u7684\u53d8\u5316\uff0c\u5b9a\u4f4d\u95ee\u9898\u76f8\u5bf9\u5bb9\u6613\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5f53\u5e74\u519951\u7a0b\u5e8f\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u7cbe\u786e\u8ba1\u7b97\u5185\u5b58\u4f7f\u7528\u91cf\u3002\u54ea\u4e9b\u53d8\u91cf\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\u5185\u5b58\u7a7a\u95f4\uff1f\u54ea\u4e9b\u6570\u7ec4\u53ef\u4ee5\u653e\u5728\u5916\u90e8RAM\u4e2d\uff1f\u5982\u4f55\u901a\u8fc7\u91cd\u53e0\u5b9a\u4e49\u6765\u8282\u7701\u5185\u5b58\uff1f\u8fd9\u4e9b\u90fd\u662f51\u7f16\u7a0b\u7684\u57fa\u672c\u6280\u80fd\u3002\u867d\u7136\u9ebb\u70e6\uff0c\u4f46\u4e5f\u57f9\u517b\u4e86\u826f\u597d\u7684\u5185\u5b58\u4f7f\u7528\u4e60\u60ef\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u590d\u6742\u5206\u5c42&#8221;\u5185\u5b58\u67b6\u6784<\/strong><\/p>\n<p>STM32\u7684\u5185\u5b58\u67b6\u6784\u5219\u662f\u4e00\u4e2a\u5b8c\u5168\u4e0d\u540c\u7684\u4e16\u754c\uff0c\u4f53\u73b0\u4e86\u73b0\u4ee3\u5fae\u63a7\u5236\u5668\u7684\u590d\u6742\u6027\u548c\u5f3a\u5927\u529f\u80fd\uff1a<\/p>\n<p><strong>\u591a\u7ea7\u5b58\u50a8\u5c42\u6b21<\/strong>\uff1aSTM32\u91c7\u7528\u4e86\u54c8\u4f5b\u67b6\u6784\uff0c\u5c06\u7a0b\u5e8f\u5b58\u50a8\u5668\u548c\u6570\u636e\u5b58\u50a8\u5668\u5206\u79bb\u3002\u7a0b\u5e8f\u5b58\u50a8\u5668\uff08Flash\uff09\u7528\u4e8e\u5b58\u653e\u4ee3\u7801\u548c\u5e38\u91cf\uff0c\u6570\u636e\u5b58\u50a8\u5668\uff08RAM\uff09\u7528\u4e8e\u5b58\u653e\u53d8\u91cf\u548c\u8fd0\u884c\u65f6\u6570\u636e\u3002\u800c\u4e14\u6bcf\u79cd\u5b58\u50a8\u5668\u90fd\u6709\u591a\u4e2a\u533a\u57df\u548c\u4e0d\u540c\u7684\u7279\u6027\u3002<\/p>\n<p><strong>Flash\u5b58\u50a8\u5668<\/strong>\u901a\u5e38\u6709\u51e0\u5341KB\u5230\u51e0MB\u7684\u5bb9\u91cf\uff0c\u5206\u4e3a\u591a\u4e2a\u9875\u9762\u6216\u6247\u533a\uff0c\u652f\u6301\u5728\u7ebf\u7f16\u7a0b\u548c\u64e6\u5199\u3002\u9664\u4e86\u5b58\u653e\u7a0b\u5e8f\u4ee3\u7801\uff0c\u8fd8\u53ef\u4ee5\u5b58\u653e\u7528\u6237\u6570\u636e\u3001\u914d\u7f6e\u53c2\u6570\u3001\u5b57\u4f53\u5e93\u7b49\u3002<\/p>\n<p><strong>RAM\u5b58\u50a8\u5668<\/strong>\u4e5f\u6709\u591a\u79cd\u7c7b\u578b\uff1a\u4e3bSRAM\u7528\u4e8e\u4e00\u822c\u6570\u636e\u5b58\u50a8\uff0cCCM\uff08Core Coupled Memory\uff09RAM\u63d0\u4f9b\u66f4\u9ad8\u7684\u8bbf\u95ee\u901f\u5ea6\uff0cDTCM\u548cITCM\u63d0\u4f9b\u4e0eCPU\u6838\u5fc3\u7d27\u5bc6\u8026\u5408\u7684\u9ad8\u901f\u5b58\u50a8\u7b49\u3002<\/p>\n<p><strong>\u590d\u6742\u7684\u5730\u5740\u6620\u5c04<\/strong>\uff1aSTM32\u7684\u5730\u5740\u7a7a\u95f4\u9ad8\u8fbe4GB\uff0832\u4f4d\u5730\u5740\u603b\u7ebf\uff09\uff0c\u4e0d\u540c\u7684\u5730\u5740\u6bb5\u6620\u5c04\u5230\u4e0d\u540c\u7684\u529f\u80fd\u533a\u57df\uff1aFlash\u3001RAM\u3001\u5916\u8bbe\u5bc4\u5b58\u5668\u3001\u5916\u90e8\u5b58\u50a8\u5668\u7b49\u90fd\u6709\u56fa\u5b9a\u7684\u5730\u5740\u8303\u56f4\u3002\u8fd9\u79cd\u590d\u6742\u7684\u5730\u5740\u6620\u5c04\u867d\u7136\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u7406\u89e3\u96be\u5ea6\u3002<\/p>\n<p><strong>\u9ad8\u7ea7\u5185\u5b58\u7ba1\u7406\u7279\u6027<\/strong>\uff1aSTM32\u652f\u6301\u5f88\u591a51\u65f6\u4ee3\u6ca1\u6709\u7684\u9ad8\u7ea7\u7279\u6027\uff0c\u6bd4\u5982\u5185\u5b58\u4fdd\u62a4\u5355\u5143\uff08MPU\uff09\u53ef\u4ee5\u63a7\u5236\u5185\u5b58\u8bbf\u95ee\u6743\u9650\uff0cDMA\u53ef\u4ee5\u5728\u5916\u8bbe\u548c\u5185\u5b58\u4e4b\u95f4\u76f4\u63a5\u4f20\u8f93\u6570\u636e\uff0cCache\u53ef\u4ee5\u63d0\u9ad8\u5185\u5b58\u8bbf\u95ee\u901f\u5ea6\u7b49\u3002<\/p>\n<p>\u6211\u7b2c\u4e00\u6b21\u770b\u5230STM32\u7684\u5185\u5b58\u6620\u5c04\u56fe\u65f6\uff0c\u90a3\u5bc6\u5bc6\u9ebb\u9ebb\u7684\u5730\u5740\u8303\u56f4\u548c\u529f\u80fd\u533a\u57df\u8ba9\u6211\u611f\u5230\u6655\u7729\u30020x08000000\u662fFlash\u8d77\u59cb\u5730\u5740\uff0c0x20000000\u662fSRAM\u8d77\u59cb\u5730\u5740\uff0c0x40000000\u662f\u5916\u8bbe\u5bc4\u5b58\u5668\u57fa\u5730\u5740&#8230;\u8fd9\u4e9b16\u8fdb\u5236\u6570\u5b57\u5bf9\u4e8e\u4e60\u60ef\u4e8651\u7b80\u5355\u5730\u5740\u7684\u6211\u6765\u8bf4\u5b8c\u5168\u662f\u5929\u4e66\u3002<\/p>\n<p><strong>\u7a0b\u5e8f\u7ed3\u6784\u7684\u590d\u6742\u5316\u548c\u6a21\u5757\u5316<\/strong><\/p>\n<p>STM32\u4e30\u5bcc\u7684\u5185\u5b58\u8d44\u6e90\u5e26\u6765\u7684\u76f4\u63a5\u7ed3\u679c\u662f\u7a0b\u5e8f\u7ed3\u6784\u7684\u590d\u6742\u5316\u3002\u4e00\u4e2a\u5178\u578b\u7684STM32\u9879\u76ee\u4e0d\u518d\u662f\u7b80\u5355\u7684\u5355\u6587\u4ef6\u7a0b\u5e8f\uff0c\u800c\u662f\u4e00\u4e2a\u590d\u6742\u7684\u591a\u6a21\u5757\u7cfb\u7edf\uff1a<\/p>\n<p><strong>\u5206\u5c42\u67b6\u6784<\/strong>\u6210\u4e3a\u6807\u51c6\uff1a\u786c\u4ef6\u62bd\u8c61\u5c42\uff08HAL\uff09\u5c01\u88c5\u5bc4\u5b58\u5668\u64cd\u4f5c\uff0c\u4e2d\u95f4\u4ef6\u5c42\u63d0\u4f9b\u7cfb\u7edf\u670d\u52a1\uff0c\u5e94\u7528\u5c42\u5b9e\u73b0\u4e1a\u52a1\u903b\u8f91\u3002\u6bcf\u4e00\u5c42\u90fd\u6709\u660e\u786e\u7684\u804c\u8d23\u548c\u63a5\u53e3\u3002<\/p>\n<p><strong>\u6a21\u5757\u5316\u8bbe\u8ba1<\/strong>\u6210\u4e3a\u5fc5\u987b\uff1a\u4e0d\u540c\u7684\u529f\u80fd\u88ab\u7ec4\u7ec7\u6210\u72ec\u7acb\u7684\u6a21\u5757\uff0c\u6bcf\u4e2a\u6a21\u5757\u6709\u81ea\u5df1\u7684\u6e90\u6587\u4ef6\u3001\u5934\u6587\u4ef6\u548c\u63a5\u53e3\u5b9a\u4e49\u3002\u6a21\u5757\u4e4b\u95f4\u901a\u8fc7\u6807\u51c6\u5316\u7684API\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p><strong>\u9879\u76ee\u7ed3\u6784<\/strong>\u53d8\u5f97\u590d\u6742\uff1a\u4e00\u4e2aSTM32\u9879\u76ee\u53ef\u80fd\u5305\u542b\u51e0\u5341\u4e2a\u751a\u81f3\u4e0a\u767e\u4e2a\u6e90\u6587\u4ef6\uff0c\u6309\u7167\u529f\u80fd\u548c\u5c42\u6b21\u7ec4\u7ec7\u5728\u4e0d\u540c\u7684\u76ee\u5f55\u4e2d\u3002\u7406\u89e3\u9879\u76ee\u7ed3\u6784\u672c\u8eab\u5c31\u9700\u8981\u65f6\u95f4\u3002<\/p>\n<p><strong>\u7f16\u8bd1\u94fe\u63a5<\/strong>\u8fc7\u7a0b\u53d8\u5f97\u590d\u6742\uff1a\u9700\u8981\u914d\u7f6e\u590d\u6742\u7684\u94fe\u63a5\u811a\u672c\u6765\u6307\u5b9a\u4e0d\u540c\u4ee3\u7801\u6bb5\u548c\u6570\u636e\u6bb5\u7684\u5b58\u50a8\u4f4d\u7f6e\uff0c\u9700\u8981\u5904\u7406\u591a\u4e2a\u5e93\u6587\u4ef6\u7684\u94fe\u63a5\uff0c\u9700\u8981\u7ba1\u7406\u7b26\u53f7\u7684\u5bfc\u5165\u5bfc\u51fa\u7b49\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u7f16\u8bd1STM32\u9879\u76ee\u65f6\uff0c\u90a3\u4e2a\u957f\u8fbe\u51e0\u767e\u884c\u7684\u94fe\u63a5\u811a\u672c\u8ba9\u6211\u5b8c\u5168\u770b\u4e0d\u61c2\u3002\u4ec0\u4e48\u662f\u4ee3\u7801\u6bb5\uff1f\u4ec0\u4e48\u662f\u6570\u636e\u6bb5\uff1f\u4ec0\u4e48\u662fBSS\u6bb5\uff1f\u4e3a\u4ec0\u4e48\u8981\u5206\u8fd9\u4e48\u591a\u6bb5\uff1f\u6bcf\u4e2a\u6bb5\u5e94\u8be5\u653e\u5728\u4ec0\u4e48\u5730\u5740\uff1f\u8fd9\u4e9b\u6982\u5ff5\u5bf9\u4e8e\u4e60\u60ef\u4e8651\u7b80\u5355\u7f16\u8bd1\u7684\u6211\u6765\u8bf4\u90fd\u662f\u5168\u65b0\u7684\u3002<\/p>\n<p><strong>\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u7684\u5f15\u5165<\/strong><\/p>\n<p>STM32\u4e30\u5bcc\u7684\u5185\u5b58\u8d44\u6e90\u4f7f\u5f97\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u6210\u4e3a\u53ef\u80fd\u548c\u5fc5\u8981\u3002\u4e0d\u50cf51\u90a3\u6837\u6240\u6709\u5185\u5b58\u90fd\u662f\u9759\u6001\u5206\u914d\uff0cSTM32\u7a0b\u5e8f\u7ecf\u5e38\u9700\u8981\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\uff1a<\/p>\n<p><strong>\u5806\u7ba1\u7406<\/strong>\uff1aSTM32\u7a0b\u5e8f\u901a\u5e38\u4f1a\u914d\u7f6e\u4e00\u4e2a\u5806\u533a\u57df\uff0c\u7528\u4e8e\u52a8\u6001\u5185\u5b58\u5206\u914d\u3002malloc()\u548cfree()\u51fd\u6570\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u5206\u914d\u548c\u91ca\u653e\u5185\u5b58\u5757\u3002<\/p>\n<p><strong>\u6808\u7ba1\u7406<\/strong>\uff1a\u4e0d\u540c\u7684\u4efb\u52a1\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u6808\u7a7a\u95f4\uff0c\u9700\u8981\u5408\u7406\u914d\u7f6e\u6808\u5927\u5c0f\u4ee5\u907f\u514d\u6808\u6ea2\u51fa\u3002<\/p>\n<p><strong>\u5185\u5b58\u6c60<\/strong>\uff1a\u5bf9\u4e8e\u5b9e\u65f6\u7cfb\u7edf\uff0c\u4e3a\u4e86\u907f\u514d\u52a8\u6001\u5206\u914d\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u7ecf\u5e38\u4f7f\u7528\u5185\u5b58\u6c60\u6280\u672f\u6765\u7ba1\u7406\u5185\u5b58\u3002<\/p>\n<p><strong>\u5185\u5b58\u788e\u7247<\/strong>\uff1a\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7cfb\u7edf\u53ef\u80fd\u51fa\u73b0\u5185\u5b58\u788e\u7247\u95ee\u9898\uff0c\u9700\u8981\u91c7\u7528\u7279\u6b8a\u7684\u5185\u5b58\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n<p>\u8fd9\u4e9b\u6982\u5ff5\u5bf9\u4e8e51\u7a0b\u5e8f\u5458\u6765\u8bf4\u90fd\u662f\u5168\u65b0\u7684\u6311\u6218\u3002\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u9047\u5230&#8221;\u5806\u6808\u6ea2\u51fa&#8221;\u9519\u8bef\u65f6\u5b8c\u5168\u4e0d\u77e5\u9053\u662f\u4ec0\u4e48\u610f\u601d\u3002\u4ec0\u4e48\u662f\u5806\uff1f\u4ec0\u4e48\u662f\u6808\uff1f\u5b83\u4eec\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u4e3a\u4ec0\u4e48\u4f1a\u6ea2\u51fa\uff1f\u5982\u4f55\u907f\u514d\uff1f\u8fd9\u4e9b\u95ee\u9898\u7684\u7b54\u6848\u9700\u8981\u6df1\u5165\u7406\u89e3\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u5185\u5b58\u7ba1\u7406\u539f\u7406\u3002<\/p>\n<p><strong>\u8c03\u8bd5\u590d\u6742\u6027\u7684\u6307\u6570\u7ea7\u589e\u957f<\/strong><\/p>\n<p>\u5185\u5b58\u7ba1\u7406\u590d\u6742\u6027\u7684\u589e\u52a0\u76f4\u63a5\u5bfc\u81f4\u4e86\u8c03\u8bd5\u96be\u5ea6\u7684\u6307\u6570\u7ea7\u589e\u957f\u300251\u65f6\u4ee3\u7684\u5185\u5b58\u95ee\u9898\u901a\u5e38\u5f88\u76f4\u89c2\uff1a\u8981\u4e48\u662f\u5730\u5740\u5199\u9519\u4e86\uff0c\u8981\u4e48\u662f\u6570\u636e\u8d8a\u754c\u4e86\uff0c\u7528\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u80fd\u5b9a\u4f4d\u3002\u4f46STM32\u65f6\u4ee3\u7684\u5185\u5b58\u95ee\u9898\u53d8\u5f97\u975e\u5e38\u590d\u6742\u548c\u9690\u853d\uff1a<\/p>\n<p><strong>\u5185\u5b58\u6cc4\u6f0f<\/strong>\uff1a\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58\u6ca1\u6709\u6b63\u786e\u91ca\u653e\uff0c\u5bfc\u81f4\u53ef\u7528\u5185\u5b58\u9010\u6e10\u51cf\u5c11\u3002\u8fd9\u79cd\u95ee\u9898\u53ef\u80fd\u8981\u8fd0\u884c\u5f88\u957f\u65f6\u95f4\u624d\u4f1a\u66b4\u9732\u3002<\/p>\n<p><strong>\u91ce\u6307\u9488<\/strong>\uff1a\u6307\u9488\u6307\u5411\u4e86\u65e0\u6548\u7684\u5185\u5b58\u5730\u5740\uff0c\u8bbf\u95ee\u65f6\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002\u8fd9\u79cd\u95ee\u9898\u7684\u73b0\u8c61\u5f80\u5f80\u4e0e\u539f\u56e0\u76f8\u8ddd\u5f88\u8fdc\uff0c\u5f88\u96be\u5b9a\u4f4d\u3002<\/p>\n<p><strong>\u6808\u6ea2\u51fa<\/strong>\uff1a\u51fd\u6570\u8c03\u7528\u8fc7\u6df1\u6216\u8005\u5c40\u90e8\u53d8\u91cf\u8fc7\u5927\u5bfc\u81f4\u6808\u6ea2\u51fa\uff0c\u8986\u76d6\u5176\u4ed6\u5185\u5b58\u533a\u57df\u3002<\/p>\n<p><strong>DMA\u4e00\u81f4\u6027<\/strong>\uff1aDMA\u64cd\u4f5c\u548cCPU\u64cd\u4f5c\u4e4b\u95f4\u7684\u5185\u5b58\u4e00\u81f4\u6027\u95ee\u9898\uff0c\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n<p><strong>Cache\u4e00\u81f4\u6027<\/strong>\uff1a\u6709Cache\u7684STM32\u578b\u53f7\u8fd8\u9700\u8981\u8003\u8651Cache\u548c\u4e3b\u5b58\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n<p>\u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u9047\u5230\u8fc7\u5f88\u591a\u8fd9\u6837\u7684\u5185\u5b58\u95ee\u9898\u3002\u6700\u8ba9\u6211\u5370\u8c61\u6df1\u523b\u7684\u662f\u4e00\u4e2a\u95f4\u6b47\u6027\u5d29\u6e83\u7684\u95ee\u9898\uff1a\u7cfb\u7edf\u8fd0\u884c\u51e0\u4e2a\u5c0f\u65f6\u540e\u4f1a\u968f\u673a\u91cd\u542f\uff0c\u73b0\u8c61\u5b8c\u5168\u65e0\u89c4\u5f8b\u3002\u7ecf\u8fc7\u51e0\u5929\u7684\u8c03\u8bd5\uff0c\u6700\u7ec8\u53d1\u73b0\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u4e2d\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u8986\u76d6\u4e86\u9644\u8fd1\u7684\u53d8\u91cf\uff0c\u5bfc\u81f4\u7cfb\u7edf\u72b6\u6001\u5f02\u5e38\u3002\u8fd9\u79cd\u95ee\u9898\u572851\u65f6\u4ee3\u51e0\u4e4e\u4e0d\u4f1a\u9047\u5230\uff0c\u56e0\u4e3a\u5185\u5b58\u7a7a\u95f4\u5c0f\uff0c\u95ee\u9898\u5f88\u5bb9\u6613\u66b4\u9732\u548c\u5b9a\u4f4d\u3002<\/p>\n<p><strong>\u9002\u5e94\u7b56\u7565\u548c\u5b66\u4e60\u5efa\u8bae<\/strong><\/p>\n<p>\u9762\u5bf9STM32\u5185\u5b58\u7ba1\u7406\u7684\u590d\u6742\u6027\uff0c\u6211\u603b\u7ed3\u4e86\u4e00\u4e9b\u9002\u5e94\u7b56\u7565\uff1a<\/p>\n<p><strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a\u9996\u5148\u8981\u7406\u89e3\u73b0\u4ee3\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u5185\u5b58\u7ba1\u7406\u57fa\u672c\u6982\u5ff5\uff0c\u5305\u62ec\u865a\u62df\u5185\u5b58\u3001\u5806\u6808\u3001\u6bb5\u5f0f\u7ba1\u7406\u7b49\u3002\u8fd9\u4e9b\u6982\u5ff5\u662f\u7406\u89e3STM32\u5185\u5b58\u7cfb\u7edf\u7684\u57fa\u7840\u3002<\/p>\n<p><strong>\u5b66\u4f1a\u4f7f\u7528\u5de5\u5177<\/strong>\uff1a\u638c\u63e1\u5185\u5b58\u8c03\u8bd5\u5de5\u5177\u7684\u4f7f\u7528\uff0c\u6bd4\u5982\u8c03\u8bd5\u5668\u7684\u5185\u5b58\u89c2\u5bdf\u529f\u80fd\u3001\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u5de5\u5177\u3001\u6808\u4f7f\u7528\u5206\u6790\u5de5\u5177\u7b49\u3002<\/p>\n<p><strong>\u517b\u6210\u826f\u597d\u4e60\u60ef<\/strong>\uff1a\u5efa\u7acb\u826f\u597d\u7684\u5185\u5b58\u4f7f\u7528\u4e60\u60ef\uff0c\u6bd4\u5982\u53ca\u65f6\u91ca\u653e\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58\u3001\u907f\u514d\u8fd4\u56de\u5c40\u90e8\u53d8\u91cf\u7684\u6307\u9488\u3001\u5408\u7406\u8bbe\u7f6e\u6808\u5927\u5c0f\u7b49\u3002<\/p>\n<p><strong>\u6a21\u5757\u5316\u601d\u7ef4<\/strong>\uff1a\u91c7\u7528\u6a21\u5757\u5316\u7684\u8bbe\u8ba1\u601d\u7ef4\uff0c\u6bcf\u4e2a\u6a21\u5757\u8d1f\u8d23\u81ea\u5df1\u7684\u5185\u5b58\u7ba1\u7406\uff0c\u901a\u8fc7\u6e05\u6670\u7684\u63a5\u53e3\u8fdb\u884c\u4ea4\u4e92\uff0c\u907f\u514d\u5168\u5c40\u7684\u5185\u5b58\u4f9d\u8d56\u3002<\/p>\n<p><strong>\u6e10\u8fdb\u5f0f\u5b66\u4e60<\/strong>\uff1a\u4ece\u7b80\u5355\u7684\u9759\u6001\u5185\u5b58\u5206\u914d\u5f00\u59cb\uff0c\u9010\u6b65\u5b66\u4e60\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u3001\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u5b58\u7ba1\u7406\u7b49\u9ad8\u7ea7\u8bdd\u9898\u3002<\/p>\n<p><img decoding=\"async\" width=\"599\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIt\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7684\u5929\u7ffb\u5730\u8986\u2014\u2014\u4ece\u5355\u4e00\u7b80\u5355\u5230\u591a\u5143\u590d\u6742<\/strong><\/h2>\n<p>\u4ece51\u5230STM32\uff0c\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7684\u53d8\u5316\u53ef\u80fd\u662f\u6700\u76f4\u89c2\u4f46\u4e5f\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u5dee\u5f02\u3002\u8fd9\u79cd\u53d8\u5316\u4e0d\u4ec5\u4f53\u73b0\u5728\u5de5\u5177\u6570\u91cf\u548c\u529f\u80fd\u7684\u589e\u52a0\uff0c\u66f4\u4f53\u73b0\u5728\u6574\u4e2a\u5f00\u53d1\u6d41\u7a0b\u548c\u601d\u7ef4\u65b9\u5f0f\u7684\u6839\u672c\u6027\u8f6c\u53d8\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u4e00\u6761\u9f99&#8221;\u5de5\u5177\u94fe<\/strong><\/p>\n<p>51\u5355\u7247\u673a\u65f6\u4ee3\u7684\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7b80\u5355\u5f97\u8ba9\u4eba\u6000\u5ff5\u3002\u57fa\u672c\u4e0a\uff0c\u4f60\u53ea\u9700\u8981\u638c\u63e1\u51e0\u4e2a\u5de5\u5177\u5c31\u80fd\u5b8c\u6210\u6574\u4e2a\u5f00\u53d1\u6d41\u7a0b\uff1a<\/p>\n<p><strong>Keil C51<\/strong>\uff1a\u8fd9\u662f\u5f53\u65f6\u6700\u4e3b\u6d41\u7684\u5f00\u53d1\u73af\u5883\uff0c\u96c6\u6210\u4e86\u7f16\u8f91\u5668\u3001\u7f16\u8bd1\u5668\u3001\u94fe\u63a5\u5668\u3001\u8c03\u8bd5\u5668\u7b49\u6240\u6709\u5fc5\u8981\u529f\u80fd\u3002\u754c\u9762\u7b80\u6d01\uff0c\u529f\u80fd\u5355\u4e00\u4f46\u8db3\u591f\u7528\u3002\u6211\u8bb0\u5f97\u5f53\u5e74\u5b89\u88c5Keil C51\u53ea\u9700\u8981\u51e0\u5206\u949f\uff0c\u5b66\u4f1a\u4f7f\u7528\u4e5f\u5c31\u662f\u51e0\u4e2a\u5c0f\u65f6\u7684\u4e8b\u60c5\u3002<\/p>\n<p><strong>\u7f16\u7a0b\u5668<\/strong>\uff1a\u7b80\u5355\u7684\u5e76\u53e3\u6216\u4e32\u53e3\u7f16\u7a0b\u5668\uff0c\u7528\u4e8e\u5c06\u7f16\u8bd1\u597d\u7684\u7a0b\u5e8f\u4e0b\u8f7d\u5230\u82af\u7247\u4e2d\u3002\u64cd\u4f5c\u5f88\u76f4\u89c2\uff1a\u8fde\u63a5\u786c\u4ef6\uff0c\u9009\u62e9\u6587\u4ef6\uff0c\u70b9\u51fb\u70e7\u5f55\uff0c\u7b49\u5f85\u5b8c\u6210\u3002<\/p>\n<p><strong>Proteus\u4eff\u771f\u5668<\/strong>\uff1a\u7528\u4e8e\u7535\u8def\u4eff\u771f\u548c\u7a0b\u5e8f\u8c03\u8bd5\u3002\u867d\u7136\u529f\u80fd\u6709\u9650\uff0c\u4f46\u5bf9\u4e8e\u7b80\u5355\u7684\u5e94\u7528\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\u3002\u53ef\u4ee5\u5728\u7535\u8111\u4e0a\u6a21\u62df\u6574\u4e2a\u786c\u4ef6\u7cfb\u7edf\uff0c\u65b9\u4fbf\u8c03\u8bd5\u7a0b\u5e8f\u903b\u8f91\u3002<\/p>\n<p><strong>\u793a\u6ce2\u5668\u548c\u4e07\u7528\u8868<\/strong>\uff1a\u7528\u4e8e\u786c\u4ef6\u8c03\u8bd5\u7684\u57fa\u672c\u5de5\u5177\u3002\u7531\u4e8e51\u7cfb\u7edf\u76f8\u5bf9\u7b80\u5355\uff0c\u8fd9\u4e9b\u57fa\u672c\u5de5\u5177\u5c31\u80fd\u89e3\u51b3\u5927\u90e8\u5206\u95ee\u9898\u3002<\/p>\n<p>\u8fd9\u79cd\u7b80\u5355\u7684\u5de5\u5177\u94fe\u6709\u5f88\u591a\u4f18\u70b9\uff1a\u5b66\u4e60\u6210\u672c\u4f4e\uff0c\u4f7f\u7528\u7b80\u5355\uff0c\u5de5\u5177\u4e4b\u95f4\u7684\u914d\u5408\u6ca1\u6709\u592a\u591a\u590d\u6742\u6027\u3002\u800c\u4e14\u7531\u4e8e\u9009\u62e9\u4e0d\u591a\uff0c\u4f60\u4e0d\u9700\u8981\u82b1\u65f6\u95f4\u7ea0\u7ed3\u7528\u54ea\u4e2a\u5de5\u5177\uff0c\u76f4\u63a5\u4e0a\u624b\u5e72\u6d3b\u5c31\u884c\u3002\u6211\u8bb0\u5f97\u5f53\u5e74\u5b6651\u7684\u65f6\u5019\uff0c\u51e0\u4e4e\u6240\u6709\u65f6\u95f4\u90fd\u82b1\u5728\u5b66\u4e60\u82af\u7247\u529f\u80fd\u548c\u7f16\u7a0b\u6280\u5de7\u4e0a\uff0c\u5f88\u5c11\u4e3a\u5de5\u5177\u95ee\u9898\u800c\u70e6\u607c\u3002<\/p>\n<p>\u5de5\u5177\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u4e5f\u5f88\u7b80\u5355\u3002\u4e00\u5f20CD\u5149\u76d8\uff0c\u6309\u7167\u8bf4\u660e\u4e66\u4e00\u6b65\u6b65\u5b89\u88c5\uff0c\u57fa\u672c\u4e0d\u4f1a\u51fa\u9519\u3002\u5373\u4f7f\u51fa\u73b0\u95ee\u9898\uff0c\u4e5f\u5bb9\u6613\u5b9a\u4f4d\u548c\u89e3\u51b3\uff0c\u56e0\u4e3a\u6574\u4e2a\u5de5\u5177\u94fe\u5f88\u7b80\u5355\uff0c\u53d8\u6570\u4e0d\u591a\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u767e\u82b1\u9f50\u653e&#8221;\u751f\u6001<\/strong><\/p>\n<p>\u4f46STM32\u65f6\u4ee3\u7684\u5f00\u53d1\u5de5\u5177\u751f\u6001\u5b8c\u5168\u662f\u53e6\u4e00\u756a\u666f\u8c61\u3002\u5de5\u5177\u7684\u6570\u91cf\u7206\u70b8\u5f0f\u589e\u957f\uff0c\u529f\u80fd\u4e5f\u53d8\u5f97\u5f02\u5e38\u590d\u6742\uff0c\u9009\u62e9\u591a\u4e86\uff0c\u4f46\u56f0\u60d1\u4e5f\u6765\u4e86\uff1a<\/p>\n<p><strong>IDE\u7684\u591a\u6837\u5316\u9009\u62e9<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>Keil MDK<\/strong>\uff1a\u7ee7\u627f\u4e86Keil\u7684\u4f20\u7edf\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u5546\u4e1a\u8f6f\u4ef6\uff0c\u754c\u9762\u76f8\u5bf9\u4f20\u7edf<\/li>\n<li><strong>IAR EWARM<\/strong>\uff1a\u53e6\u4e00\u4e2a\u5546\u4e1aIDE\uff0c\u7f16\u8bd1\u5668\u4f18\u5316\u6027\u80fd\u597d\uff0c\u4ef7\u683c\u6602\u8d35<\/li>\n<li><strong>STM32CubeIDE<\/strong>\uff1aST\u5b98\u65b9\u514d\u8d39IDE\uff0c\u57fa\u4e8eEclipse\uff0c\u529f\u80fd\u5168\u9762\u4f46\u6bd4\u8f83\u91cd<\/li>\n<li><strong>Atollic TrueSTUDIO<\/strong>\uff1a\u66fe\u7ecf\u7684\u514d\u8d39\u9009\u62e9\uff0c\u540e\u6765\u88abST\u6536\u8d2d\u6574\u5408\u5230CubeIDE<\/li>\n<li><strong>Eclipse + GCC<\/strong>\uff1a\u5f00\u6e90\u7ec4\u5408\uff0c\u81ea\u7531\u5ea6\u9ad8\u4f46\u914d\u7f6e\u590d\u6742<\/li>\n<li><strong>CLion\u3001VS Code<\/strong>\uff1a\u73b0\u4ee3\u5316\u7684\u7f16\u8f91\u5668\uff0c\u9700\u8981\u914d\u7f6e\u76f8\u5e94\u7684\u63d2\u4ef6<\/li>\n<\/ul>\n<p>\u8fd9\u4e48\u591a\u9009\u62e9\uff0c\u6bcf\u4e2a\u90fd\u6709\u81ea\u5df1\u7684\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\u3002\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5149\u662f\u9009\u62e9\u7528\u54ea\u4e2aIDE\u5c31\u662f\u4e00\u4e2a\u5934\u75bc\u7684\u95ee\u9898\u3002\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66STM32\u7684\u65f6\u5019\uff0c\u4e3a\u4e86\u9009\u62e9\u5408\u9002\u7684\u5f00\u53d1\u73af\u5883\uff0c\u5728\u7f51\u4e0a\u67e5\u8d44\u6599\u3001\u770b\u5bf9\u6bd4\u3001\u95ee\u522b\u4eba\uff0c\u82b1\u4e86\u597d\u51e0\u5929\u65f6\u95f4\u3002<\/p>\n<p><strong>\u7f16\u8bd1\u5668\u7684\u6280\u672f\u5dee\u5f02<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>ARM CC<\/strong>\uff1aARM\u5b98\u65b9\u7f16\u8bd1\u5668\uff0c\u4ee3\u7801\u8d28\u91cf\u9ad8\u4f46\u662f\u5546\u4e1a\u8f6f\u4ef6<\/li>\n<li><strong>GCC<\/strong>\uff1a\u5f00\u6e90\u7f16\u8bd1\u5668\uff0c\u514d\u8d39\u4f7f\u7528\uff0c\u793e\u533a\u652f\u6301\u597d<\/li>\n<li><strong>IAR C\/C++<\/strong>\uff1aIAR\u7684\u7f16\u8bd1\u5668\uff0c\u4f18\u5316\u80fd\u529b\u5f3a<\/li>\n<\/ul>\n<p>\u4e0d\u540c\u7f16\u8bd1\u5668\u751f\u6210\u7684\u4ee3\u7801\u8d28\u91cf\u3001\u6027\u80fd\u3001\u5927\u5c0f\u90fd\u53ef\u80fd\u4e0d\u540c\u3002\u7f16\u8bd1\u9009\u9879\u66f4\u662f\u590d\u6742\uff0c\u4f18\u5316\u7ea7\u522b\u3001\u76ee\u6807\u67b6\u6784\u3001\u6d6e\u70b9\u5904\u7406\u65b9\u5f0f\u7b49\u7b49\uff0c\u6bcf\u4e2a\u9009\u9879\u90fd\u53ef\u80fd\u5f71\u54cd\u6700\u7ec8\u7684\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<p><strong>\u8c03\u8bd5\u5668\u7684\u4e13\u4e1a\u5316<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>ST-Link<\/strong>\uff1aST\u5b98\u65b9\u8c03\u8bd5\u5668\uff0c\u4ef7\u683c\u4fbf\u5b9c\uff0c\u529f\u80fd\u591f\u7528<\/li>\n<li><strong>J-Link<\/strong>\uff1aSegger\u7684\u4ea7\u54c1\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u4ef7\u683c\u8f83\u9ad8<\/li>\n<li><strong>CMSIS-DAP<\/strong>\uff1a\u5f00\u6e90\u8c03\u8bd5\u5668\u6807\u51c6\uff0c\u6709\u5f88\u591a\u7b2c\u4e09\u65b9\u5b9e\u73b0<\/li>\n<\/ul>\n<p>\u6bcf\u79cd\u8c03\u8bd5\u5668\u90fd\u6709\u81ea\u5df1\u7684\u7279\u70b9\u548c\u517c\u5bb9\u6027\u95ee\u9898\u3002\u6709\u65f6\u5019\u7a0b\u5e8f\u5728\u4e00\u4e2a\u8c03\u8bd5\u5668\u4e0a\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u6362\u5230\u53e6\u4e00\u4e2a\u8c03\u8bd5\u5668\u5c31\u51fa\u95ee\u9898\u3002<\/p>\n<p><strong>\u5e93\u548c\u4e2d\u95f4\u4ef6\u7684\u4e30\u5bcc\u9009\u62e9<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>SPL\uff08\u6807\u51c6\u5916\u8bbe\u5e93\uff09<\/strong>\uff1a\u65e9\u671f\u7684\u5e93\uff0c\u76f4\u63a5\u64cd\u4f5c\u5bc4\u5b58\u5668\u7684\u5c01\u88c5<\/li>\n<li><strong>HAL\u5e93<\/strong>\uff1a\u786c\u4ef6\u62bd\u8c61\u5c42\uff0c\u63d0\u4f9b\u7edf\u4e00\u7684API\u63a5\u53e3<\/li>\n<li><strong>LL\u5e93<\/strong>\uff1a\u4f4e\u5c42\u5e93\uff0c\u63d0\u4f9b\u66f4\u63a5\u8fd1\u786c\u4ef6\u7684\u64cd\u4f5c<\/li>\n<li><strong>CMSIS<\/strong>\uff1aCortex\u5fae\u63a7\u5236\u5668\u8f6f\u4ef6\u63a5\u53e3\u6807\u51c6<\/li>\n<\/ul>\n<p>\u6bcf\u79cd\u5e93\u7684\u8bbe\u8ba1\u7406\u5ff5\u4e0d\u540c\uff0cAPI\u98ce\u683c\u4e0d\u540c\uff0c\u6027\u80fd\u7279\u70b9\u4e5f\u4e0d\u540c\u3002\u800c\u4e14\u5e93\u7684\u7248\u672c\u66f4\u65b0\u5f88\u5feb\uff0c\u4e0d\u540c\u7248\u672c\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<p><strong>\u914d\u7f6e\u5de5\u5177\u7684\u5f15\u5165<\/strong>\uff1a<\/p>\n<p><strong>STM32CubeMX<\/strong>\uff1a\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177\uff0c\u53ef\u4ee5\u901a\u8fc7\u62d6\u62fd\u7684\u65b9\u5f0f\u914d\u7f6e\u82af\u7247\u529f\u80fd\uff0c\u81ea\u52a8\u751f\u6210\u521d\u59cb\u5316\u4ee3\u7801\u3002\u8fd9\u4e2a\u5de5\u5177\u867d\u7136\u964d\u4f4e\u4e86\u914d\u7f6e\u7684\u95e8\u69db\uff0c\u4f46\u4e5f\u5f15\u5165\u4e86\u65b0\u7684\u590d\u6742\u6027\uff1a<\/p>\n<ul>\n<li>\u5982\u4f55\u7406\u89e3\u56fe\u5f62\u754c\u9762\u548c\u5e95\u5c42\u4ee3\u7801\u7684\u5bf9\u5e94\u5173\u7cfb\uff1f<\/li>\n<li>\u54ea\u4e9b\u751f\u6210\u7684\u4ee3\u7801\u53ef\u4ee5\u4fee\u6539\uff0c\u54ea\u4e9b\u4e0d\u80fd\u4fee\u6539\uff1f<\/li>\n<li>\u5982\u4f55\u5904\u7406\u4ee3\u7801\u751f\u6210\u548c\u624b\u5de5\u7f16\u5199\u4ee3\u7801\u7684\u51b2\u7a81\uff1f<\/li>\n<li>\u5982\u4f55\u5728\u56e2\u961f\u4e2d\u5171\u4eabCubeMX\u914d\u7f6e\uff1f<\/li>\n<\/ul>\n<p><strong>\u7248\u672c\u517c\u5bb9\u6027\u7684\u5669\u68a6<\/strong><\/p>\n<p>STM32\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7684\u4e00\u4e2a\u5927\u95ee\u9898\u662f\u7248\u672c\u517c\u5bb9\u6027\u3002\u7531\u4e8e\u5de5\u5177\u94fe\u590d\u6742\uff0c\u6d89\u53ca\u591a\u4e2a\u5382\u5546\u7684\u591a\u79cd\u5de5\u5177\uff0c\u7248\u672c\u517c\u5bb9\u6027\u6210\u4e3a\u4e00\u4e2a\u6301\u7eed\u7684\u6311\u6218\uff1a<\/p>\n<p><strong>HAL\u5e93\u7248\u672c\u95ee\u9898<\/strong>\uff1aHAL\u5e93\u66f4\u65b0\u5f88\u9891\u7e41\uff0c\u65b0\u7248\u672c\u53ef\u80fd\u6539\u53d8API\u63a5\u53e3\uff0c\u5bfc\u81f4\u8001\u4ee3\u7801\u7f16\u8bd1\u4e0d\u8fc7\u3002\u6211\u9047\u5230\u8fc7\u5f88\u591a\u6b21\u8fd9\u6837\u7684\u60c5\u51b5\uff1a\u7f51\u4e0a\u627e\u5230\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u7a0b\uff0c\u4f46\u7528\u7684\u662f\u8001\u7248\u672c\u7684HAL\u5e93\uff0c\u79fb\u690d\u5230\u65b0\u7248\u672c\u65f6\u5404\u79cd\u7f16\u8bd1\u9519\u8bef\u3002<\/p>\n<p><strong>IDE\u7248\u672c\u5347\u7ea7<\/strong>\uff1aIDE\u5347\u7ea7\u540e\u53ef\u80fd\u4e0d\u517c\u5bb9\u8001\u9879\u76ee\uff0c\u6216\u8005\u5de5\u7a0b\u914d\u7f6e\u53d1\u751f\u53d8\u5316\u3002\u6709\u65f6\u5019\u4e3a\u4e86\u4f7f\u7528\u65b0\u529f\u80fd\u5347\u7ea7IDE\uff0c\u7ed3\u679c\u8001\u9879\u76ee\u6253\u4e0d\u5f00\u4e86\u3002<\/p>\n<p><strong>\u7f16\u8bd1\u5668\u7248\u672c\u5dee\u5f02<\/strong>\uff1a\u4e0d\u540c\u7248\u672c\u7684\u7f16\u8bd1\u5668\u53ef\u80fd\u4ea7\u751f\u4e0d\u540c\u7684\u4ee3\u7801\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u884c\u4e3a\u7684\u7ec6\u5fae\u5dee\u5f02\u3002\u7279\u522b\u662f\u4f18\u5316\u9009\u9879\u7684\u53d8\u5316\uff0c\u53ef\u80fd\u66b4\u9732\u6216\u63a9\u76d6\u4e00\u4e9b\u6f5c\u5728\u7684bug\u3002<\/p>\n<p><strong>\u7b2c\u4e09\u65b9\u5e93\u517c\u5bb9\u6027<\/strong>\uff1a\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u65f6\uff0c\u9700\u8981\u8003\u8651\u4e0eHAL\u5e93\u3001RTOS\u3001\u7f16\u8bd1\u5668\u7b49\u7684\u517c\u5bb9\u6027\u3002\u6709\u65f6\u5019\u4e3a\u4e86\u4f7f\u7528\u67d0\u4e2a\u5e93\uff0c\u9700\u8981\u964d\u7ea7\u6216\u5347\u7ea7\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<p><strong>\u5b66\u4e60\u66f2\u7ebf\u7684\u9661\u5ced\u5316<\/strong><\/p>\n<p>\u5de5\u5177\u751f\u6001\u590d\u6742\u6027\u7684\u589e\u52a0\u76f4\u63a5\u5bfc\u81f4\u4e86\u5b66\u4e60\u66f2\u7ebf\u7684\u9661\u5ced\u5316\u3002\u572851\u65f6\u4ee3\uff0c\u4f60\u53ef\u4ee5\u5f88\u5feb\u4e0a\u624b\u5f00\u53d1\uff0c\u628a\u4e3b\u8981\u7cbe\u529b\u653e\u5728\u5b66\u4e60\u82af\u7247\u529f\u80fd\u548c\u7f16\u7a0b\u6280\u5de7\u4e0a\u3002\u4f46\u5728STM32\u65f6\u4ee3\uff0c\u4ec5\u4ec5\u638c\u63e1\u5de5\u5177\u94fe\u5c31\u9700\u8981\u82b1\u8d39\u5927\u91cf\u65f6\u95f4\u548c\u7cbe\u529b\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66STM32\u7684\u65f6\u5019\uff0c\u82b1\u5728\u5de5\u5177\u95ee\u9898\u4e0a\u7684\u65f6\u95f4\u751a\u81f3\u8d85\u8fc7\u4e86\u5b66\u4e60\u6280\u672f\u672c\u8eab\u7684\u65f6\u95f4\u3002\u5b89\u88c5\u548c\u914d\u7f6e\u5f00\u53d1\u73af\u5883\uff0c\u7406\u89e3\u4e0d\u540c\u5de5\u5177\u7684\u4f5c\u7528\u548c\u5173\u7cfb\uff0c\u89e3\u51b3\u5404\u79cd\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5b66\u4e60\u65b0\u7684\u8c03\u8bd5\u65b9\u6cd5&#8230;\u8fd9\u4e9b\u90fd\u9700\u8981\u65f6\u95f4\u548c\u7cbe\u529b\u3002<\/p>\n<p>\u66f4\u56f0\u96be\u7684\u662f\uff0c\u4f60\u9700\u8981\u540c\u65f6\u638c\u63e1\u591a\u79cd\u5de5\u5177\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u4e0d\u50cf51\u65f6\u4ee3\u53ea\u9700\u8981\u5b66\u4f1aKeil C51\u5c31\u591f\u4e86\uff0cSTM32\u5f00\u53d1\u53ef\u80fd\u9700\u8981\u4f60\u638c\u63e1IDE\u3001\u7f16\u8bd1\u5668\u3001\u8c03\u8bd5\u5668\u3001\u914d\u7f6e\u5de5\u5177\u3001\u7248\u672c\u63a7\u5236\u3001\u6587\u6863\u5de5\u5177\u7b49\u591a\u79cd\u5de5\u5177\u7684\u4f7f\u7528\u3002<\/p>\n<p><strong>\u5de5\u5177\u9009\u62e9\u7684\u56f0\u60d1<\/strong><\/p>\n<p>\u9762\u5bf9\u5982\u6b64\u4e30\u5bcc\u7684\u5de5\u5177\u9009\u62e9\uff0c\u521d\u5b66\u8005\u5f80\u5f80\u4f1a\u9677\u5165\u9009\u62e9\u56f0\u60d1\uff1a<\/p>\n<p><strong>&#8220;\u7528\u54ea\u4e2a\u6700\u597d\uff1f&#8221;<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u4f46\u5f80\u5f80\u6ca1\u6709\u6807\u51c6\u7b54\u6848\u3002\u6bcf\u79cd\u5de5\u5177\u90fd\u6709\u81ea\u5df1\u7684\u4f18\u7f3a\u70b9\uff0c\u6700\u9002\u5408\u7684\u5de5\u5177\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u3001\u56e2\u961f\u80cc\u666f\u3001\u9884\u7b97\u9650\u5236\u7b49\u56e0\u7d20\u3002<\/p>\n<p><strong>&#8220;\u662f\u5426\u9700\u8981\u5b66\u4f1a\u6240\u6709\u5de5\u5177\uff1f&#8221;<\/strong>\uff1a\u663e\u7136\u4e0d\u73b0\u5b9e\uff0c\u4f46\u4e0d\u77e5\u9053\u5e94\u8be5\u4f18\u5148\u5b66\u4e60\u54ea\u4e9b\u5de5\u5177\u3002<\/p>\n<p><strong>&#8220;\u514d\u8d39\u5de5\u5177\u591f\u7528\u5417\uff1f&#8221;<\/strong>\uff1a\u5546\u4e1a\u5de5\u5177\u901a\u5e38\u529f\u80fd\u66f4\u5f3a\u5927\uff0c\u4f46\u514d\u8d39\u5de5\u5177\u5bf9\u521d\u5b66\u8005\u662f\u5426\u8db3\u591f\uff1f<\/p>\n<p><strong>&#8220;\u5982\u4f55\u8ddf\u4e0a\u5de5\u5177\u7684\u66f4\u65b0\uff1f&#8221;<\/strong>\uff1a\u5de5\u5177\u66f4\u65b0\u5f88\u5feb\uff0c\u5982\u4f55\u5728\u5b66\u4e60\u65b0\u5de5\u5177\u548c\u4f7f\u7528\u719f\u6089\u5de5\u5177\u4e4b\u95f4\u627e\u5230\u5e73\u8861\uff1f<\/p>\n<p>\u6211\u5efa\u8bae\u521d\u5b66\u8005\u4ece\u7b80\u5355\u5f00\u59cb\uff0c\u4e0d\u8981\u8bd5\u56fe\u4e00\u5f00\u59cb\u5c31\u638c\u63e1\u6240\u6709\u5de5\u5177\u3002\u9009\u62e9\u4e00\u5957\u57fa\u672c\u7684\u5de5\u5177\u7ec4\u5408\uff08\u6bd4\u5982STM32CubeIDE + ST-Link + HAL\u5e93\uff09\uff0c\u5148\u719f\u7ec3\u638c\u63e1\uff0c\u7136\u540e\u6839\u636e\u9700\u8981\u9010\u6b65\u6269\u5c55\u3002<\/p>\n<p><strong>\u5de5\u5177\u94fe\u96c6\u6210\u7684\u6311\u6218<\/strong><\/p>\n<p>STM32\u5f00\u53d1\u7684\u53e6\u4e00\u4e2a\u6311\u6218\u662f\u5982\u4f55\u5c06\u4e0d\u540c\u7684\u5de5\u5177\u6709\u6548\u5730\u96c6\u6210\u8d77\u6765\u3002\u4e0d\u50cf51\u65f6\u4ee3\u7684\u4e00\u4f53\u5316\u5de5\u5177\uff0cSTM32\u5f00\u53d1\u5f80\u5f80\u9700\u8981\u591a\u4e2a\u5de5\u5177\u534f\u540c\u5de5\u4f5c\uff1a<\/p>\n<p><strong>\u4ee3\u7801\u7f16\u8f91 \u2192 \u7f16\u8bd1\u94fe\u63a5 \u2192 \u4e0b\u8f7d\u8c03\u8bd5 \u2192 \u7248\u672c\u63a7\u5236 \u2192 \u6587\u6863\u751f\u6210<\/strong><\/p>\n<p>\u6bcf\u4e2a\u73af\u8282\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u5de5\u5177\uff0c\u5982\u4f55\u8ba9\u8fd9\u4e9b\u5de5\u5177\u987a\u7545\u5730\u534f\u540c\u5de5\u4f5c\u662f\u4e00\u4e2a\u6280\u672f\u6d3b\u3002\u9700\u8981\u914d\u7f6e\u5de5\u5177\u95f4\u7684\u63a5\u53e3\uff0c\u5904\u7406\u6587\u4ef6\u683c\u5f0f\u7684\u8f6c\u6362\uff0c\u8bbe\u7f6e\u5de5\u4f5c\u6d41\u7a0b\u7b49\u7b49\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u4e3a\u4e86\u642d\u5efa\u4e00\u5957\u987a\u624b\u7684\u5f00\u53d1\u73af\u5883\uff0c\u82b1\u4e86\u5f88\u957f\u65f6\u95f4\u7814\u7a76\u5404\u79cd\u5de5\u5177\u7684\u914d\u7f6e\u65b9\u6cd5\u3002\u5982\u4f55\u8ba9Git\u548cIDE\u96c6\u6210\uff1f\u5982\u4f55\u81ea\u52a8\u751f\u6210\u6587\u6863\uff1f\u5982\u4f55\u8bbe\u7f6e\u6301\u7eed\u96c6\u6210\uff1f\u8fd9\u4e9b\u95ee\u9898\u572851\u65f6\u4ee3\u6839\u672c\u4e0d\u4f1a\u9047\u5230\u3002<\/p>\n<p><strong>\u5e94\u5bf9\u7b56\u7565\u548c\u5efa\u8bae<\/strong><\/p>\n<p>\u9762\u5bf9STM32\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7684\u590d\u6742\u6027\uff0c\u6211\u603b\u7ed3\u4e86\u4e00\u4e9b\u5e94\u5bf9\u7b56\u7565\uff1a<\/p>\n<p><strong>\u4ece\u5b98\u65b9\u5de5\u5177\u5f00\u59cb<\/strong>\uff1a\u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u5efa\u8bae\u4eceST\u5b98\u65b9\u63d0\u4f9b\u7684\u5de5\u5177\u5f00\u59cb\u5b66\u4e60\uff0c\u6bd4\u5982STM32CubeIDE + 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decoding=\"async\" width=\"533\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIu\" alt=\"\" title=\"\" 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\/><strong>\u7b2c\u56db\u9636\u6bb5\u76ee\u6807<\/strong>\uff1a\u80fd\u591f\u4f7f\u7528RTOS\u8fdb\u884c\u591a\u4efb\u52a1\u5f00\u53d1<\/p>\n<p>\u6bcf\u4e2a\u9636\u6bb5\u90fd\u6709\u660e\u786e\u7684\u3001\u53ef\u8861\u91cf\u7684\u76ee\u6807\uff0c\u5b8c\u6210\u4e00\u4e2a\u9636\u6bb5\u518d\u8fdb\u5165\u4e0b\u4e00\u4e2a\u9636\u6bb5\u3002<\/p>\n<p><strong>\u57f9\u517b\u7cfb\u7edf\u6027\u601d\u7ef4<\/strong><\/p>\n<p>51\u7f16\u7a0b\u662f&#8221;\u70b9\u72b6\u601d\u7ef4&#8221;\uff1a\u9700\u8981\u4ec0\u4e48\u529f\u80fd\u5c31\u5b9e\u73b0\u4ec0\u4e48\u529f\u80fd\u3002\u4f46STM32\u9700\u8981&#8221;\u7cfb\u7edf\u6027\u601d\u7ef4&#8221;\uff1a\u4ece\u6574\u4f53\u89d2\u5ea6\u8003\u8651\u7cfb\u7edf\u67b6\u6784\u3001\u8d44\u6e90\u5206\u914d\u3001\u6a21\u5757\u534f\u8c03\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u6211\u7684\u57f9\u517b\u65b9\u6cd5\u662f\uff1a<\/p>\n<ol>\n<li><strong>\u753b\u7cfb\u7edf\u6846\u56fe<\/strong>\uff1a\u6bcf\u505a\u4e00\u4e2a\u9879\u76ee\u90fd\u5148\u753b\u51fa\u7cfb\u7edf\u7684\u6574\u4f53\u67b6\u6784\u56fe<\/li>\n<li><strong>\u5206\u6790\u4f9d\u8d56\u5173\u7cfb<\/strong>\uff1a\u7406\u6e05\u695a\u4e0d\u540c\u6a21\u5757\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb<\/li>\n<li><strong>\u8003\u8651\u6269\u5c55\u6027<\/strong>\uff1a\u8bbe\u8ba1\u65f6\u8003\u8651\u540e\u7eed\u529f\u80fd\u6269\u5c55\u7684\u53ef\u80fd\u6027<\/li>\n<li><strong>\u5173\u6ce8\u63a5\u53e3\u8bbe\u8ba1<\/strong>\uff1a\u91cd\u89c6\u6a21\u5757\u95f4\u63a5\u53e3\u7684\u8bbe\u8ba1\u548c\u89c4\u8303<\/li>\n<\/ol>\n<p><strong>\u7b2c\u4e8c\u9636\u6bb5\uff1a\u57fa\u7840\u6280\u80fd\u5efa\u8bbe\uff082-3\u4e2a\u6708\uff09<\/strong><\/p>\n<p><strong>\u638c\u63e1\u5f00\u53d1\u73af\u5883\u548c\u5de5\u5177\u94fe<\/strong><\/p>\n<p>\u6211\u5efa\u8bae\u521d\u5b66\u8005\u4eceSTM32CubeIDE\u5f00\u59cb\uff0c\u56e0\u4e3a\u5b83\u662fST\u5b98\u65b9\u63d0\u4f9b\u7684\u514d\u8d39IDE\uff0c\u529f\u80fd\u5b8c\u6574\uff0c\u6587\u6863\u9f50\u5168\u3002\u4e0d\u8981\u4e00\u5f00\u59cb\u5c31\u7ea0\u7ed3\u7528\u54ea\u4e2a\u5de5\u5177\u6700\u597d\uff0c\u5148\u7528\u4e00\u4e2a\u5de5\u5177\u719f\u7ec3\u638c\u63e1\u6574\u4e2a\u5f00\u53d1\u6d41\u7a0b\u3002<\/p>\n<p>\u5177\u4f53\u7684\u5b66\u4e60\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li><strong>\u5b89\u88c5\u548c\u914d\u7f6e\u73af\u5883<\/strong>\uff1a\u6309\u7167\u5b98\u65b9\u6587\u6863\u4e00\u6b65\u6b65\u5b89\u88c5\u914d\u7f6e<\/li>\n<li><strong>\u521b\u5efa\u7b2c\u4e00\u4e2a\u9879\u76ee<\/strong>\uff1a\u4eceHello World\u5f00\u59cb\uff0c\u7406\u89e3\u9879\u76ee\u7ed3\u6784<\/li>\n<li><strong>\u5b66\u4f1a\u7f16\u8bd1\u548c\u4e0b\u8f7d<\/strong>\uff1a\u638c\u63e1\u57fa\u672c\u7684\u7f16\u8bd1\u94fe\u63a5\u548c\u7a0b\u5e8f\u4e0b\u8f7d<\/li>\n<li><strong>\u638c\u63e1\u8c03\u8bd5\u65b9\u6cd5<\/strong>\uff1a\u5b66\u4f1a\u8bbe\u7f6e\u65ad\u70b9\u3001\u89c2\u5bdf\u53d8\u91cf\u3001\u5355\u6b65\u6267\u884c<\/li>\n<\/ol>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u7684\u65f6\u5019\uff0c\u5149\u662f\u641e\u6e05\u695aSTM32CubeIDE\u7684\u9879\u76ee\u7ed3\u6784\u5c31\u82b1\u4e86\u597d\u51e0\u5929\u3002\u54ea\u4e9b\u6587\u4ef6\u662f\u81ea\u52a8\u751f\u6210\u7684\uff1f\u54ea\u4e9b\u53ef\u4ee5\u4fee\u6539\uff1fUSER CODE\u6807\u7b7e\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u8fd9\u4e9b\u90fd\u9700\u8981\u6162\u6162\u6478\u7d22\u548c\u7406\u89e3\u3002<\/p>\n<p><strong>\u6df1\u5ea6\u7406\u89e3\u65f6\u949f\u7cfb\u7edf<\/strong><\/p>\n<p>\u65f6\u949f\u7cfb\u7edf\u662fSTM32\u7684\u6838\u5fc3\uff0c\u4e5f\u662f\u6700\u5bb9\u6613\u8ba9\u521d\u5b66\u8005\u56f0\u60d1\u7684\u90e8\u5206\u3002\u6211\u7684\u5b66\u4e60\u65b9\u6cd5\u662f\uff1a<\/p>\n<ol>\n<li><strong>\u4ece\u7b80\u5355\u914d\u7f6e\u5f00\u59cb<\/strong>\uff1a\u5148\u4f7f\u7528STM32CubeMX\u7684\u9ed8\u8ba4\u914d\u7f6e\uff0c\u8ba9\u7cfb\u7edf\u8dd1\u8d77\u6765<\/li>\n<li><strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a\u4ec0\u4e48\u662fHSE\u3001HSI\u3001PLL\u3001SYSCLK\u3001HCLK\u3001PCLK<\/li>\n<li><strong>\u5b66\u4f1a\u4f7f\u7528\u5de5\u5177<\/strong>\uff1a\u7528STM32CubeMX\u56fe\u5f62\u5316\u914d\u7f6e\u65f6\u949f\uff0c\u89c2\u5bdf\u65f6\u949f\u6811\u7684\u53d8\u5316<\/li>\n<li><strong>\u5b9e\u9645\u6d4b\u91cf\u9a8c\u8bc1<\/strong>\uff1a\u7528\u793a\u6ce2\u5668\u6216\u903b\u8f91\u5206\u6790\u4eea\u6d4b\u91cf\u5b9e\u9645\u7684\u65f6\u949f\u9891\u7387<\/li>\n<li><strong>\u624b\u5de5\u8ba1\u7b97\u9a8c\u8bc1<\/strong>\uff1a\u5b66\u4f1a\u624b\u5de5\u8ba1\u7b97\u65f6\u949f\u9891\u7387\uff0c\u9a8c\u8bc1\u914d\u7f6e\u7684\u6b63\u786e\u6027<\/li>\n<\/ol>\n<p>\u6211\u5efa\u8bae\u505a\u4e00\u4e2a\u4e13\u95e8\u7684\u65f6\u949f\u5b9e\u9a8c\uff1a\u914d\u7f6e\u4e0d\u540c\u7684\u65f6\u949f\u6e90\u548c\u5206\u9891\u6bd4\uff0c\u89c2\u5bdf\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u3002\u6bd4\u5982\u6d4b\u91cf\u540c\u6837\u7684\u7a0b\u5e8f\u5728\u4e0d\u540c\u65f6\u949f\u9891\u7387\u4e0b\u7684\u6267\u884c\u65f6\u95f4\uff0c\u7406\u89e3\u65f6\u949f\u9891\u7387\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002<\/p>\n<p><strong>\u7cfb\u7edf\u5316\u5b66\u4e60\u5916\u8bbe\u529f\u80fd<\/strong><\/p>\n<p>STM32\u7684\u5916\u8bbe\u5f88\u591a\uff0c\u4e0d\u53ef\u80fd\u4e00\u6b21\u6027\u5168\u90e8\u638c\u63e1\u3002\u6211\u5efa\u8bae\u6309\u7167\u4f9d\u8d56\u5173\u7cfb\u548c\u4f7f\u7528\u9891\u7387\u6765\u5b89\u6392\u5b66\u4e60\u987a\u5e8f\uff1a<\/p>\n<p><strong>\u57fa\u7840\u5916\u8bbe\uff08\u5fc5\u987b\u638c\u63e1\uff09<\/strong>\uff1a<\/p>\n<ul>\n<li>GPIO\uff1a\u6570\u5b57\u8f93\u5165\u8f93\u51fa\u63a7\u5236<\/li>\n<li>\u5b9a\u65f6\u5668\uff1a\u57fa\u672c\u5b9a\u65f6\u3001PWM\u8f93\u51fa\u3001\u8f93\u5165\u6355\u83b7<\/li>\n<li>\u4e32\u53e3\uff1a\u5f02\u6b65\u4e32\u884c\u901a\u4fe1<\/li>\n<li>\u4e2d\u65ad\uff1a\u5916\u90e8\u4e2d\u65ad\u548c\u5185\u90e8\u4e2d\u65ad\u7ba1\u7406<\/li>\n<\/ul>\n<p><strong>\u5e38\u7528\u5916\u8bbe\uff08\u91cd\u70b9\u638c\u63e1\uff09<\/strong>\uff1a<\/p>\n<ul>\n<li>ADC\uff1a\u6a21\u62df\u4fe1\u53f7\u91c7\u96c6<\/li>\n<li>SPI\uff1a\u9ad8\u901f\u540c\u6b65\u4e32\u884c\u901a\u4fe1<\/li>\n<li>I2C\uff1a\u4e24\u7ebf\u5236\u4e32\u884c\u901a\u4fe1<\/li>\n<li>DMA\uff1a\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee<\/li>\n<\/ul>\n<p><strong>\u9ad8\u7ea7\u5916\u8bbe\uff08\u6839\u636e\u9700\u8981\u5b66\u4e60\uff09<\/strong>\uff1a<\/p>\n<ul>\n<li>CAN\uff1a\u6c7d\u8f66\u7535\u5b50\u901a\u4fe1<\/li>\n<li>USB\uff1aUSB\u8bbe\u5907\u6216\u4e3b\u673a<\/li>\n<li>\u4ee5\u592a\u7f51\uff1a\u7f51\u7edc\u901a\u4fe1<\/li>\n<li>SDIO\uff1aSD\u5361\u63a5\u53e3<\/li>\n<\/ul>\n<p>\u6bcf\u5b66\u4e60\u4e00\u4e2a\u5916\u8bbe\uff0c\u6211\u90fd\u4f1a\u505a\u4e00\u4e2a\u5b8c\u6574\u7684\u5b9e\u9a8c\u9879\u76ee\uff0c\u4e0d\u4ec5\u8981\u5b9e\u73b0\u57fa\u672c\u529f\u80fd\uff0c\u8fd8\u8981\u7406\u89e3\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u53f7\uff0c\u4f18\u5148\u7ea7\u8bbe\u7f6e\u4e5f\u76f8\u5bf9\u7b80\u5355\uff0c\u8981\u4e48\u662f\u9ad8\u4f18\u5148\u7ea7\uff0c\u8981\u4e48\u662f\u4f4e\u4f18\u5148\u7ea7\u3002\u5f53\u65f6\u6211\u89c9\u5f97\u8fd9\u79cd\u8bbe\u8ba1\u7b80\u76f4\u592a\u4eba\u6027\u5316\u4e86\uff1a\u6e05\u6670\u660e\u4e86\uff0c\u4e0d\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n<p>\u6bcf\u5f53\u5916\u90e8\u4e2d\u65ad\u5f15\u811a\u7535\u5e73\u53d8\u5316\u6216\u8005\u5b9a\u65f6\u5668\u6ea2\u51fa\u65f6\uff0cCPU\u4f1a\u81ea\u52a8\u8df3\u8f6c\u5230\u5bf9\u5e94\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff0c\u6267\u884c\u5b8c\u6bd5\u540e\u901a\u8fc7RETI\u6307\u4ee4\u8fd4\u56de\u4e3b\u7a0b\u5e8f\u3002\u6574\u4e2a\u8fc7\u7a0b\u5c31\u50cf\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u8bdd\u5e94\u7b54\u7cfb\u7edf\uff1a\u6765\u7535\u8bdd\u4e86\u5c31\u63a5\u542c\uff0c\u5904\u7406\u5b8c\u6302\u6389\uff0c\u7ee7\u7eed\u505a\u539f\u6765\u7684\u4e8b\u60c5\u3002\u8fd9\u79cd\u7ebf\u6027\u7684\u3001\u53ef\u9884\u671f\u7684\u4e2d\u65ad\u5904\u7406\u673a\u5236\u8ba9\u521d\u5b66\u8005\u5f88\u5bb9\u6613\u7406\u89e3\u548c\u638c\u63e1\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5f53\u65f6\u5199\u4e2d\u65ad\u7a0b\u5e8f\u65f6\uff0c\u6700\u5927\u7684\u70e6\u607c\u5c31\u662f\u5982\u4f55\u5728\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u4e2d\u5feb\u901f\u5b8c\u6210\u4efb\u52a1\uff0c\u907f\u514d\u5f71\u54cd\u4e3b\u7a0b\u5e8f\u7684\u6267\u884c\u300251\u7684\u4e2d\u65ad\u5ef6\u8fdf\u6bd4\u8f83\u56fa\u5b9a\uff0c\u54cd\u5e94\u65f6\u95f4\u4e5f\u76f8\u5bf9\u53ef\u63a7\uff0c\u57fa\u672c\u4e0a\u4e0d\u4f1a\u51fa\u73b0\u4ec0\u4e48\u610f\u5916\u60c5\u51b5\u3002<\/p>\n<p><strong>STM32\u7684&#8221;\u73b0\u4ee3\u5316\u4e2d\u65ad&#8221;\u4f53\u7cfb<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5f53\u6211\u7b2c\u4e00\u6b21\u6253\u5f00STM32\u7684\u4e2d\u65ad\u76f8\u5173\u6587\u6863\u65f6\uff0c\u6211\u5f7b\u5e95\u50bb\u773c\u4e86\u3002NVIC\u8fd9\u4e2a\u8bcd\u5bf9\u6211\u6765\u8bf4\u5c31\u50cf\u662f\u5916\u661f\u8bed\u8a00\uff0c\u4ec0\u4e48\u62a2\u5360\u4f18\u5148\u7ea7\u3001\u54cd\u5e94\u4f18\u5148\u7ea7\u3001\u5411\u91cf\u8868\u91cd\u6620\u5c04\u3001\u4e2d\u65ad\u5d4c\u5957&#8230;\u8fd9\u4e9b\u6982\u5ff5\u5b8c\u5168\u98a0\u8986\u4e86\u6211\u5bf9\u4e2d\u65ad\u7684\u8ba4\u77e5\u3002<\/p>\n<p>STM32\u57fa\u4e8eARM Cortex-M\u5185\u6838\u7684NVIC\u7cfb\u7edf\u652f\u6301\u591a\u8fbe\u51e0\u5341\u751a\u81f3\u4e0a\u767e\u4e2a\u4e2d\u65ad\u6e90\uff0c\u6bcf\u4e2a\u4e2d\u65ad\u90fd\u53ef\u4ee5\u914d\u7f6e0-15\u517116\u4e2a\u4f18\u5148\u7ea7\u522b\u3002\u66f4\u590d\u6742\u7684\u662f\uff0c\u8fd9\u4e9b\u4f18\u5148\u7ea7\u8fd8\u5206\u4e3a\u62a2\u5360\u4f18\u5148\u7ea7\u548c\u54cd\u5e94\u4f18\u5148\u7ea7\u4e24\u4e2a\u7ef4\u5ea6\uff0c\u53ef\u4ee5\u901a\u8fc7NVIC_PriorityGroupConfig\u51fd\u6570\u914d\u7f6e\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\u5206\u7ec4\u65b9\u6848\u3002<\/p>\n<p>\u521a\u5f00\u59cb\u7684\u65f6\u5019\uff0c\u6211\u5b8c\u5168\u641e\u4e0d\u61c2\u4e3a\u4ec0\u4e48\u8981\u8bbe\u8ba1\u5f97\u8fd9\u4e48\u590d\u6742\u3002\u540e\u6765\u5728\u4e00\u4e2a\u591a\u4efb\u52a1\u5b9e\u65f6\u7cfb\u7edf\u9879\u76ee\u4e2d\uff0c\u6211\u624d\u771f\u6b63\u4f53\u4f1a\u5230\u8fd9\u79cd\u590d\u6742\u8bbe\u8ba1\u7684\u5fc5\u8981\u6027\u548c\u7cbe\u5999\u4e4b\u5904\u3002\u90a3\u4e2a\u9879\u76ee\u9700\u8981\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4f20\u611f\u5668\u6570\u636e\u3001\u7f51\u7edc\u901a\u4fe1\u3001\u7528\u6237\u754c\u9762\u66f4\u65b0\u7b49\u4efb\u52a1\uff0c\u4e0d\u540c\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u8981\u6c42\u5b8c\u5168\u4e0d\u540c\uff1a<\/p>\n<ul>\n<li>\u7d27\u6025\u6545\u969c\u5904\u7406\u4e2d\u65ad\u5fc5\u987b\u5177\u6709\u6700\u9ad8\u4f18\u5148\u7ea7\uff0c\u53ef\u4ee5\u6253\u65ad\u4efb\u4f55\u5176\u4ed6\u4e2d\u65ad<\/li>\n<li>\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u4e2d\u65ad\u9700\u8981\u4e25\u683c\u7684\u65f6\u5e8f\u4fdd\u8bc1\uff0c\u4f46\u53ef\u4ee5\u88ab\u7d27\u6025\u4e2d\u65ad\u6253\u65ad<\/li>\n<li>\u7f51\u7edc\u901a\u4fe1\u4e2d\u65ad\u5bf9\u65f6\u5e8f\u8981\u6c42\u76f8\u5bf9\u5bbd\u677e\uff0c\u4f46\u4e0d\u80fd\u4e22\u5931\u6570\u636e<\/li>\n<li>\u7528\u6237\u754c\u9762\u66f4\u65b0\u4e2d\u65ad\u4f18\u5148\u7ea7\u6700\u4f4e\uff0c\u968f\u65f6\u53ef\u4ee5\u88ab\u5176\u4ed6\u4efb\u52a1\u6253\u65ad<\/li>\n<\/ul>\n<p>\u5728\u8fd9\u79cd\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e0b\uff0c51\u90a3\u79cd\u7b80\u5355\u7684\u4e2d\u65ad\u673a\u5236\u6839\u672c\u65e0\u6cd5\u80dc\u4efb\u3002\u800cSTM32\u7684NVIC\u7cfb\u7edf\u901a\u8fc7\u7cbe\u7ec6\u7684\u4f18\u5148\u7ea7\u63a7\u5236\u548c\u4e2d\u65ad\u5d4c\u5957\u673a\u5236\uff0c\u5b8c\u7f8e\u5730\u89e3\u51b3\u4e86\u8fd9\u4e9b\u9700\u6c42\u3002\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u67d0\u4e9b\u4e2d\u65ad\u5177\u6709\u76f8\u540c\u7684\u62a2\u5360\u4f18\u5148\u7ea7\u4f46\u4e0d\u540c\u7684\u54cd\u5e94\u4f18\u5148\u7ea7\uff0c\u8fd9\u6837\u5b83\u4eec\u4e4b\u95f4\u4e0d\u4f1a\u76f8\u4e92\u5d4c\u5957\uff0c\u4f46\u5728\u540c\u65f6\u53d1\u751f\u65f6\u4f1a\u6309\u7167\u54cd\u5e94\u4f18\u5148\u7ea7\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u3002<\/p>\n<p>\u66f4\u8ba9\u4eba\u5934\u75bc\u7684\u662f\u4e2d\u65ad\u5411\u91cf\u8868\u7684\u6982\u5ff5\u300251\u5355\u7247\u673a\u7684\u4e2d\u65ad\u5411\u91cf\u5730\u5740\u662f\u56fa\u5b9a\u7684\uff0c\u6bcf\u4e2a\u4e2d\u65ad\u5bf9\u5e94\u4e00\u4e2a\u56fa\u5b9a\u7684\u5185\u5b58\u5730\u5740\u3002\u800cSTM32\u7684\u5411\u91cf\u8868\u662f\u53ef\u4ee5\u91cd\u6620\u5c04\u7684\uff0c\u8fd9\u7ed9bootloader\u5f00\u53d1\u3001\u7a0b\u5e8f\u5728\u7ebf\u5347\u7ea7\u7b49\u9ad8\u7ea7\u5e94\u7528\u63d0\u4f9b\u4e86\u53ef\u80fd\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u5b66\u4e60\u7684\u590d\u6742\u5ea6\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u914d\u7f6eSTM32\u4e2d\u65ad\u65f6\uff0c\u5149\u662f\u7406\u89e3NVIC_InitTypeDef\u7ed3\u6784\u4f53\u7684\u5404\u4e2a\u6210\u5458\u5c31\u82b1\u4e86\u6211\u597d\u51e0\u5929\u65f6\u95f4\u3002\u4ec0\u4e48\u662fIRQChannel\uff1f\u4ec0\u4e48\u662fNVIC_IRQChannelPreemptionPriority\uff1f\u4e3a\u4ec0\u4e48\u8fd8\u8981\u8c03\u7528NVIC_Init\u51fd\u6570\uff1f\u8fd9\u4e9b\u95ee\u9898\u8ba9\u6211\u4e00\u5934\u96fe\u6c34\uff0c\u611f\u89c9\u50cf\u662f\u5728\u5b66\u4e60\u4e00\u95e8\u5168\u65b0\u7684\u8bed\u8a00\u3002<\/p>\n<h2><strong>\u5916\u8bbe\u914d\u7f6e\u7684\u5929\u58e4\u4e4b\u522b\u2014\u2014\u4ece\u4e00\u952e\u5230\u5e97\u5230DIY\u7ec4\u88c5<\/strong><\/h2>\n<p>\u5982\u679c\u8bf4\u65f6\u949f\u7cfb\u7edf\u548c\u4e2d\u65ad\u673a\u5236\u7684\u590d\u6742\u5316\u8fd8\u80fd\u7528&#8221;\u529f\u80fd\u5f3a\u5927&#8221;\u6765\u89e3\u91ca\u7684\u8bdd\uff0c\u90a3\u4e48\u5916\u8bbe\u914d\u7f6e\u590d\u6742\u5ea6\u7684\u51e0\u4f55\u7ea7\u589e\u957f\u7b80\u76f4\u5c31\u662f\u5bf9\u521d\u5b66\u8005\u7684&#8221;\u964d\u7ef4\u6253\u51fb&#8221;\u3002\u4ece51\u7684\u5bc4\u5b58\u5668\u76f4\u63a5\u64cd\u4f5c\u5230STM32\u7684\u591a\u5c42\u62bd\u8c61\u914d\u7f6e\uff0c\u8fd9\u79cd\u53d8\u5316\u5c31\u50cf\u662f\u4ece\u76f4\u63a5\u4e70\u6210\u54c1\u5230\u9700\u8981\u81ea\u5df1\u7ec4\u88c5\u590d\u6742\u7684\u6a21\u5757\u5316\u5bb6\u5177\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u5373\u63d2\u5373\u7528&#8221;\u5916\u8bbe<\/strong><\/p>\n<p>\u56de\u60f3\u4e00\u4e0b51\u7684\u5916\u8bbe\u914d\u7f6e\u662f\u591a\u4e48\u7684\u76f4\u89c2\u548c\u7b80\u5355\u3002\u60f3\u8981\u914d\u7f6e\u5b9a\u65f6\u5668\uff1f\u76f4\u63a5\u8bbe\u7f6eTMOD\u5bc4\u5b58\u5668\uff0c\u88c5\u8f7d\u521d\u503c\u5230TH0\u3001TL0\uff0c\u7136\u540e\u542f\u52a8TR0\u5c31\u5b8c\u4e8b\u4e86\u3002\u6574\u4e2a\u8fc7\u7a0b\u4e0d\u8d85\u8fc7\u4e09\u884c\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"c\">TMOD = 0x01;        \/\/ \u8bbe\u7f6e\u5b9a\u65f6\u56680\u4e3a16\u4f4d\u6a21\u5f0f\nTH0 = 0x3C;         \/\/ \u88c5\u8f7d\u521d\u503c\u9ad8\u5b57\u8282\nTL0 = 0xB0;         \/\/ \u88c5\u8f7d\u521d\u503c\u4f4e\u5b57\u8282\nTR0 = 1;            \/\/ \u542f\u52a8\u5b9a\u65f6\u5668<\/code><\/pre>\n<p>\u8fd9\u79cd\u914d\u7f6e\u65b9\u5f0f\u7684\u597d\u5904\u662f\u4ec0\u4e48\u90fd\u5f88\u660e\u786e\uff1a\u6bcf\u4e2a\u4f4d\u4ee3\u8868\u4ec0\u4e48\u529f\u80fd\uff0c\u8bbe\u7f6e\u4ec0\u4e48\u503c\u4ea7\u751f\u4ec0\u4e48\u6548\u679c\uff0c\u51fa\u4e86\u95ee\u9898\u4e5f\u5bb9\u6613\u5b9a\u4f4d\u3002\u90a3\u65f6\u5019\u6211\u751a\u81f3\u53ef\u4ee5\u4e0d\u770b\u6587\u6863\uff0c\u5149\u51ed\u7ecf\u9a8c\u5c31\u80fd\u914d\u7f6e\u5927\u90e8\u5206\u5916\u8bbe\u3002<\/p>\n<p>\u60f3\u8981\u4f7f\u7528\u4e32\u53e3\u901a\u4fe1\uff1f\u4e5f\u5f88\u7b80\u5355\uff1a<\/p>\n<pre><code class=\"c\">SCON = 0x50;        \/\/ \u8bbe\u7f6e\u4e32\u53e3\u5de5\u4f5c\u6a21\u5f0f\nPCON |= 0x80;       \/\/ \u6ce2\u7279\u7387\u52a0\u500d\nTH1 = 0xFD;         \/\/ \u8bbe\u7f6e\u6ce2\u7279\u7387\nTR1 = 1;            \/\/ \u542f\u52a8\u5b9a\u65f6\u56681\u4ea7\u751f\u6ce2\u7279\u7387<\/code><\/pre>\n<p>\u56db\u884c\u4ee3\u7801\u641e\u5b9a\uff0c\u6e05\u6670\u660e\u4e86\uff0c\u6ca1\u6709\u4efb\u4f55\u591a\u4f59\u7684\u6b65\u9aa4\u3002<\/p>\n<p><strong>STM32\u7684&#8221;\u7cbe\u7ec6\u5316\u914d\u7f6e&#8221;\u4f53\u7cfb<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5f53\u6211\u7b2c\u4e00\u6b21\u5c1d\u8bd5\u914d\u7f6eSTM32\u7684\u4e00\u4e2a\u7b80\u5355GPIO\u8f93\u51fa\u65f6\uff0c\u6211\u88ab\u9707\u60ca\u4e86\u3002\u5c31\u662f\u8981\u8ba9\u4e00\u4e2a\u5f15\u811a\u8f93\u51fa\u9ad8\u7535\u5e73\u8fd9\u4e48\u7b80\u5355\u7684\u9700\u6c42\uff0c\u5c45\u7136\u9700\u8981\u8fd9\u4e48\u591a\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u9996\u5148\u8981\u5f00\u542fGPIO\u7aef\u53e3\u7684\u65f6\u949f\uff1a<code>RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);<\/code><\/li>\n<li>\n<p>\u7136\u540e\u8981\u914d\u7f6eGPIO\u7684\u6a21\u5f0f\u3001\u901f\u5ea6\u3001\u8f93\u51fa\u7c7b\u578b\uff1a<\/p>\n<pre><code class=\"c\">GPIO_InitTypeDef GPIO_InitStructure;\nGPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;\nGPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;\nGPIO_InitStructure.GPIO_OType = GPIO_OType_PP;\nGPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;\nGPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;\nGPIO_Init(GPIOA, &amp;GPIO_InitStructure);<\/code><\/pre>\n<\/li>\n<li>\u6700\u540e\u624d\u80fd\u771f\u6b63\u63a7\u5236\u5f15\u811a\u8f93\u51fa\uff1a<code>GPIO_SetBits(GPIOA, GPIO_Pin_0);<\/code><\/li>\n<\/ol>\n<p>\u6211\u5f53\u65f6\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff1a\u8fd9\u4e5f\u592a\u590d\u6742\u4e86\u5427\uff01\u4e3a\u4ec0\u4e48\u8981\u641e\u8fd9\u4e48\u591a\u7ed3\u6784\u4f53\uff1f\u4e3a\u4ec0\u4e48\u8981\u5206\u8fd9\u4e48\u591a\u6b65\u9aa4\uff1f\u8fd9\u4e0d\u662f\u6545\u610f\u4e3a\u96be\u521d\u5b66\u8005\u5417\uff1f<\/p>\n<p>\u540e\u6765\u901a\u8fc7\u6df1\u5165\u5b66\u4e60\u548c\u5b9e\u9645\u9879\u76ee\u7ecf\u9a8c\uff0c\u6211\u624d\u7406\u89e3\u4e86\u8fd9\u79cd\u8bbe\u8ba1\u7684\u6df1\u5c42\u539f\u56e0\u3002STM32\u7684GPIO\u4e0d\u4ec5\u4ec5\u662f\u7b80\u5355\u7684\u6570\u5b57\u8f93\u5165\u8f93\u51fa\uff0c\u5b83\u8fd8\u652f\u6301\u590d\u7528\u529f\u80fd\u3001\u6a21\u62df\u529f\u80fd\u3001\u5f00\u6f0f\u8f93\u51fa\u3001\u63a8\u633d\u8f93\u51fa\u3001\u4e0d\u540c\u7684\u9a71\u52a8\u5f3a\u5ea6\u3001\u5185\u90e8\u4e0a\u4e0b\u62c9\u7535\u963b\u7b49\u591a\u79cd\u6a21\u5f0f\u3002\u8fd9\u79cd\u7cbe\u7ec6\u5316\u7684\u914d\u7f6e\u80fd\u529b\u4f7f\u5f97STM32\u53ef\u4ee5\u9002\u5e94\u5404\u79cd\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p>\u6bd4\u5982\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u6211\u9700\u8981\u540c\u4e00\u4e2aGPIO\u7aef\u53e3\u7684\u4e0d\u540c\u5f15\u811a\u5b9e\u73b0\u4e0d\u540c\u529f\u80fd\uff1aPA0\u4f5c\u4e3aADC\u8f93\u5165\u68c0\u6d4b\u7535\u538b\uff0cPA1\u4f5c\u4e3aPWM\u8f93\u51fa\u63a7\u5236LED\u4eae\u5ea6\uff0cPA2\u4f5c\u4e3a\u5f00\u6f0f\u8f93\u51fa\u9a71\u52a8I2C\u603b\u7ebf\uff0cPA3\u4f5c\u4e3a\u666e\u901a\u6570\u5b57\u8f93\u5165\u68c0\u6d4b\u6309\u952e\u72b6\u6001\u3002\u5982\u679c\u662f51\u5355\u7247\u673a\uff0c\u8fd9\u79cd\u590d\u6742\u7684\u6df7\u5408\u5e94\u7528\u6839\u672c\u65e0\u6cd5\u5b9e\u73b0\uff0c\u4f46STM32\u901a\u8fc7\u7cbe\u7ec6\u7684\u914d\u7f6e\u9009\u9879\u8f7b\u677e\u80dc\u4efb\u3002<\/p>\n<p>\u66f4\u8ba9\u4eba\u5934\u75bc\u7684\u662fSTM32\u7684\u5916\u8bbe\u914d\u7f6e\u5f80\u5f80\u6d89\u53ca\u591a\u4e2a\u76f8\u5173\u6a21\u5757\u7684\u534f\u540c\u5de5\u4f5c\u3002\u6bd4\u5982\u8981\u5b9e\u73b0\u4e00\u4e2aPWM\u8f93\u51fa\uff0c\u4e0d\u4ec5\u9700\u8981\u914d\u7f6eGPIO\u7684\u590d\u7528\u529f\u80fd\uff0c\u8fd8\u8981\u914d\u7f6e\u5b9a\u65f6\u5668\u7684\u5de5\u4f5c\u6a21\u5f0f\u3001\u8ba1\u6570\u65b9\u5411\u3001\u9884\u5206\u9891\u7cfb\u6570\u3001\u81ea\u52a8\u91cd\u8f7d\u503c\u3001\u6bd4\u8f83\u503c\u7b49\u7b49\u53c2\u6570\u3002\u6bcf\u4e00\u4e2a\u53c2\u6570\u7684\u8bbe\u7f6e\u90fd\u53ef\u80fd\u5f71\u54cd\u6700\u7ec8\u7684\u6548\u679c\uff0c\u8fd9\u79cd\u9ad8\u5ea6\u7684\u7075\u6d3b\u6027\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u7b80\u76f4\u662f\u5669\u68a6\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u914d\u7f6eSTM32\u7684ADC\u65f6\uff0c\u5149\u662f\u7406\u89e3\u91c7\u6837\u65f6\u95f4\u3001\u8f6c\u6362\u6a21\u5f0f\u3001\u89e6\u53d1\u6e90\u3001\u6570\u636e\u5bf9\u9f50\u65b9\u5f0f\u8fd9\u4e9b\u6982\u5ff5\u5c31\u82b1\u4e86\u6211\u4e00\u4e2a\u661f\u671f\u3002\u800c\u572851\u4e0a\uff0cADC\u914d\u7f6e\u5c31\u662f\u8bbe\u7f6e\u51e0\u4e2a\u5bc4\u5b58\u5668\u4f4d\uff0c\u542f\u52a8\u8f6c\u6362\uff0c\u8bfb\u53d6\u7ed3\u679c\uff0c\u7b80\u5355\u7c97\u66b4\u4f46\u6709\u6548\u3002\u8fd9\u79cd\u5de8\u5927\u7684\u5dee\u5f02\u8ba9\u6211\u4e00\u5ea6\u6000\u7591\u662f\u4e0d\u662f\u81ea\u5df1\u7684\u5b66\u4e60\u65b9\u6cd5\u6709\u95ee\u9898\u3002<\/p>\n<h2><strong>\u5f00\u53d1\u5de5\u5177\u751f\u6001\u7684\u5de8\u5927\u53d8\u8fc1\u2014\u2014\u4ece\u8bb0\u4e8b\u672c\u5230IDE\u7684\u8fdb\u5316<\/strong><\/h2>\n<p>\u9664\u4e86\u786c\u4ef6\u67b6\u6784\u7684\u590d\u6742\u5316\uff0c\u5f00\u53d1\u5de5\u5177\u548c\u8f6f\u4ef6\u751f\u6001\u7684\u5de8\u5927\u53d8\u5316\u4e5f\u662f\u9020\u6210\u5b66\u4e60\u56f0\u96be\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4ece51\u65f6\u4ee3\u7684\u7b80\u5355\u5de5\u5177\u94fe\u5230STM32\u7684\u73b0\u4ee3\u5316\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff0c\u8fd9\u79cd\u53d8\u5316\u4e0d\u4ec5\u4ec5\u662f\u5de5\u5177\u529f\u80fd\u7684\u589e\u5f3a\uff0c\u66f4\u662f\u6574\u4e2a\u5f00\u53d1\u54f2\u5b66\u7684\u6839\u672c\u6027\u8f6c\u53d8\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u6781\u7b80\u4e3b\u4e49&#8221;\u5de5\u5177\u94fe<\/strong><\/p>\n<p>\u8fd8\u8bb0\u5f97\u6211\u521a\u5f00\u59cb\u5b6651\u7684\u65f6\u5019\uff0c\u6574\u4e2a\u5f00\u53d1\u73af\u5883\u7b80\u5355\u5f97\u4ee4\u4eba\u53d1\u6307\u3002\u4e00\u4e2aKeil C51\u7f16\u8bd1\u5668\uff0c\u4e00\u4e2aSTC-ISP\u4e0b\u8f7d\u5de5\u5177\uff0c\u518d\u52a0\u4e0a\u4e00\u4e2a\u7b80\u5355\u7684\u4eff\u771f\u5668\uff0c\u5c31\u6784\u6210\u4e86\u5b8c\u6574\u7684\u5f00\u53d1\u73af\u5883\u3002\u90a3\u65f6\u5019\u7684Keil\u754c\u9762\u6734\u7d20\u5f97\u50cfDOS\u65f6\u4ee3\u7684\u8f6f\u4ef6\uff0c\u4f46\u529f\u80fd\u5374\u5f02\u5e38\u7a33\u5b9a\u548c\u53ef\u9760\u3002<\/p>\n<p>\u7f16\u8bd1\u4e00\u4e2a\u7a0b\u5e8f\u53ea\u9700\u8981\u51e0\u79d2\u949f\uff0c\u751f\u6210\u7684hex\u6587\u4ef6\u901a\u5e38\u53ea\u6709\u51e0KB\u5927\u5c0f\u3002\u4e0b\u8f7d\u7a0b\u5e8f\u4e5f\u5f88\u7b80\u5355\uff0c\u8fde\u63a5\u4e32\u53e3\uff0c\u70b9\u51fb\u4e0b\u8f7d\uff0c\u51e0\u79d2\u949f\u5c31\u5b8c\u6210\u4e86\u3002\u6574\u4e2a\u5f00\u53d1\u6d41\u7a0b\u6d41\u7545\u81ea\u7136\uff0c\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u6280\u672f\u95e8\u69db\u3002\u5373\u4f7f\u662f\u521d\u5b66\u8005\uff0c\u4e5f\u80fd\u5f88\u5feb\u4e0a\u624b\u5e76\u6295\u5165\u5230\u5b9e\u9645\u7684\u529f\u80fd\u5f00\u53d1\u4e2d\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u90a3\u65f6\u5019\u6700\u5927\u7684\u6280\u672f\u6311\u6218\u662f\u5982\u4f55\u4f18\u5316\u4ee3\u7801\u5927\u5c0f\uff0c\u56e0\u4e3a51\u7684\u7a0b\u5e8f\u5b58\u50a8\u7a7a\u95f4\u53ea\u6709\u51e0\u5341KB\u3002\u8fd9\u79cd\u9650\u5236\u53cd\u800c\u57f9\u517b\u4e86\u6211\u4eec\u7cbe\u6253\u7ec6\u7b97\u7684\u7f16\u7a0b\u4e60\u60ef\uff1a\u6bcf\u4e00\u4e2a\u53d8\u91cf\u90fd\u8981\u4ed4\u7ec6\u8003\u8651\u662f\u5426\u5fc5\u8981\uff0c\u6bcf\u4e00\u884c\u4ee3\u7801\u90fd\u8981\u8ffd\u6c42\u6700\u9ad8\u7684\u6548\u7387\u3002\u90a3\u79cd\u5728\u6709\u9650\u8d44\u6e90\u4e0b\u7cbe\u96d5\u7ec6\u7422\u7684\u611f\u89c9\uff0c\u73b0\u5728\u60f3\u8d77\u6765\u8fd8\u6709\u4e9b\u6000\u5ff5\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u5168\u6808\u5316&#8221;\u5f00\u53d1\u751f\u6001<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5f53\u6211\u7b2c\u4e00\u6b21\u63a5\u89e6STM32\u7684\u5f00\u53d1\u73af\u5883\u65f6\uff0c\u6211\u88ab\u90a3\u79cd&#8221;\u4e30\u5bcc&#8221;\u7684\u9009\u62e9\u5413\u5230\u4e86\u3002Keil\u3001IAR\u3001STM32CubeIDE\u3001Eclipse\u3001Visual Studio Code&#8230;\u5149\u662f\u9009\u62e9\u4e00\u4e2a\u5f00\u53d1\u5de5\u5177\u5c31\u8ba9\u4eba\u773c\u82b1\u7f2d\u4e71\u3002\u6bcf\u4e2a\u5de5\u5177\u90fd\u6709\u81ea\u5df1\u7684\u7279\u8272\u548c\u4f18\u52bf\uff0c\u4f46\u4e5f\u610f\u5473\u7740\u4e0d\u540c\u7684\u5b66\u4e60\u6210\u672c\u548c\u914d\u7f6e\u590d\u6742\u5ea6\u3002<\/p>\n<p>\u66f4\u590d\u6742\u7684\u662f\u9879\u76ee\u914d\u7f6e\u548c\u4f9d\u8d56\u7ba1\u7406\u3002STM32\u7684\u9879\u76ee\u901a\u5e38\u5305\u542b\u51e0\u5341\u751a\u81f3\u4e0a\u767e\u4e2a\u6e90\u6587\u4ef6\uff0c\u6d89\u53ca\u5e95\u5c42\u9a71\u52a8\u3001\u4e2d\u95f4\u4ef6\u3001\u5e94\u7528\u5c42\u7b49\u591a\u4e2a\u62bd\u8c61\u5c42\u6b21\u3002\u542f\u52a8\u6587\u4ef6\u3001\u94fe\u63a5\u811a\u672c\u3001\u7f16\u8bd1\u9009\u9879\u3001\u8c03\u8bd5\u914d\u7f6e&#8230;\u6bcf\u4e00\u4e2a\u73af\u8282\u90fd\u53ef\u80fd\u51fa\u73b0\u95ee\u9898\uff0c\u800c\u8fd9\u4e9b\u95ee\u9898\u5f80\u5f80\u4e0e\u5177\u4f53\u7684\u529f\u80fd\u5b9e\u73b0\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\uff0c\u5374\u4f1a\u963b\u6321\u4f60\u7684\u5b66\u4e60\u8fdb\u7a0b\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u7b2c\u4e00\u6b21\u521b\u5efaSTM32\u9879\u76ee\u65f6\uff0c\u5149\u662f\u914d\u7f6e\u5de5\u7a0b\u5c31\u82b1\u4e86\u6211\u534a\u5929\u65f6\u95f4\u3002\u5404\u79cd\u8def\u5f84\u8bbe\u7f6e\u3001\u5e93\u6587\u4ef6\u94fe\u63a5\u3001\u7f16\u8bd1\u9009\u9879\u914d\u7f6e\uff0c\u6bcf\u4e00\u6b65\u90fd\u53ef\u80fd\u51fa\u9519\u3002\u597d\u4e0d\u5bb9\u6613\u7f16\u8bd1\u901a\u8fc7\u4e86\uff0c\u7ed3\u679c\u4e0b\u8f7d\u65f6\u53c8\u51fa\u73b0\u5404\u79cd\u5947\u602a\u7684\u9519\u8bef\u3002\u8fd9\u79cd\u590d\u6742\u6027\u8ba9\u6211\u4e00\u5ea6\u6000\u7591\u662f\u4e0d\u662fSTM32\u592a\u8fc7&#8221;\u9ad8\u5927\u4e0a&#8221;\uff0c\u4e0d\u9002\u5408\u6211\u8fd9\u79cd\u521d\u5b66\u8005\u3002<\/p>\n<p>\u66f4\u8ba9\u4eba\u5934\u75bc\u7684\u662f\u7248\u672c\u517c\u5bb9\u6027\u95ee\u9898\u300251\u7684\u5f00\u53d1\u5de5\u5177\u57fa\u672c\u4e0a\u662f&#8221;\u4e00\u6b21\u914d\u7f6e\uff0c\u7ec8\u8eab\u4f7f\u7528&#8221;\uff0c\u4f46STM32\u7684\u5de5\u5177\u94fe\u66f4\u65b0\u5f88\u5feb\uff0c\u4e0d\u540c\u7248\u672c\u4e4b\u95f4\u7ecf\u5e38\u51fa\u73b0\u517c\u5bb9\u6027\u95ee\u9898\u3002\u4eca\u5929\u80fd\u6b63\u5e38\u7f16\u8bd1\u7684\u5de5\u7a0b\uff0c\u53ef\u80fd\u660e\u5929\u6362\u4e2a\u5de5\u5177\u7248\u672c\u5c31\u51fa\u95ee\u9898\u4e86\u3002\u8fd9\u79cd\u4e0d\u786e\u5b9a\u6027\u6781\u5927\u5730\u589e\u52a0\u4e86\u5b66\u4e60\u7684\u632b\u8d25\u611f\u3002<\/p>\n<p>\u4e0d\u8fc7\uff0c\u968f\u7740\u7ecf\u9a8c\u7684\u79ef\u7d2f\uff0c\u6211\u4e5f\u9010\u6e10\u7406\u89e3\u4e86\u8fd9\u79cd\u5de5\u5177\u751f\u6001\u590d\u6742\u5316\u7684\u5fc5\u8981\u6027\u3002STM32\u9879\u76ee\u7684\u89c4\u6a21\u548c\u590d\u6742\u5ea6\u8fdc\u8d8551\uff0c\u4f20\u7edf\u7684\u7b80\u5355\u5de5\u5177\u5df2\u7ecf\u65e0\u6cd5\u80dc\u4efb\u73b0\u4ee3\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684\u9700\u6c42\u3002\u5f3a\u5927\u7684IDE\u80fd\u591f\u63d0\u4f9b\u4ee3\u7801\u81ea\u52a8\u8865\u5168\u3001\u5b9e\u65f6\u9519\u8bef\u68c0\u67e5\u3001\u53ef\u89c6\u5316\u8c03\u8bd5\u3001\u6027\u80fd\u5206\u6790\u7b49\u529f\u80fd\uff0c\u8fd9\u4e9b\u90fd\u662f\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u7684\u5229\u5668\u3002<\/p>\n<h2><strong>\u5b66\u4e60\u8d44\u6599\u8d28\u91cf\u7684\u4e24\u6781\u5206\u5316\u2014\u2014\u4ece\u7cbe\u54c1\u6559\u7a0b\u5230\u4fe1\u606f\u8fc7\u8f7d<\/strong><\/h2>\n<p>\u5728\u5b66\u4e60\u8d44\u6599\u65b9\u9762\uff0c51\u548cSTM32\u4e5f\u5448\u73b0\u51fa\u622a\u7136\u4e0d\u540c\u7684\u7279\u70b9\u3002\u8fd9\u79cd\u5dee\u5f02\u4e0d\u4ec5\u5f71\u54cd\u5b66\u4e60\u6548\u7387\uff0c\u66f4\u76f4\u63a5\u51b3\u5b9a\u4e86\u5b66\u4e60\u4f53\u9a8c\u548c\u6700\u7ec8\u6548\u679c\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u7cbe\u54c1\u5316&#8221;\u5b66\u4e60\u8d44\u6e90<\/strong><\/p>\n<p>\u56de\u60f3\u8d77\u5b6651\u7684\u90a3\u6bb5\u65f6\u5149\uff0c\u867d\u7136\u5b66\u4e60\u8d44\u6599\u76f8\u5bf9\u8f83\u5c11\uff0c\u4f46\u8d28\u91cf\u666e\u904d\u5f88\u9ad8\u3002\u90ed\u5929\u7965\u768451\u6559\u7a0b\u3001\u666e\u4e2d\u79d1\u6280\u7684\u5b66\u4e60\u677f\u914d\u5957\u8d44\u6599\u3001\u300a51\u5355\u7247\u673aC\u8bed\u8a00\u6559\u7a0b\u300b\u7b49\u7ecf\u5178\u6559\u6750\uff0c\u6bcf\u4e00\u4e2a\u90fd\u7ecf\u8fc7\u4e86\u65f6\u95f4\u7684\u68c0\u9a8c\uff0c\u5185\u5bb9\u8be6\u5b9e\u3001\u903b\u8f91\u6e05\u6670\u3001\u7531\u6d45\u5165\u6df1\u3002<\/p>\n<p>\u90a3\u65f6\u5019\u7684\u6559\u7a0b\u6709\u4e00\u4e2a\u663e\u8457\u7279\u70b9\uff1a\u6ce8\u91cd\u57fa\u7840\u6982\u5ff5\u7684\u8bb2\u89e3\u548c\u5b9e\u8df5\u64cd\u4f5c\u7684\u6307\u5bfc\u3002\u4f5c\u8005\u901a\u5e38\u4f1a\u4ece\u6700\u57fa\u672c\u7684\u786c\u4ef6\u539f\u7406\u5f00\u59cb\u8bb2\u8d77\uff0c\u9010\u6b65\u6df1\u5165\u5230\u7f16\u7a0b\u5b9e\u73b0\uff0c\u6700\u540e\u901a\u8fc7\u5927\u91cf\u7684\u5b9e\u4f8b\u5de9\u56fa\u7406\u89e3\u3002\u8fd9\u79cd\u5b66\u4e60\u8def\u5f84\u867d\u7136\u770b\u8d77\u6765\u6162\uff0c\u4f46\u57fa\u7840\u624e\u5b9e\uff0c\u4e0d\u5bb9\u6613\u8d70\u5f2f\u8def\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u8ddf\u7740\u90ed\u5929\u7965\u7684\u89c6\u9891\u6559\u7a0b\u5b6651\u65f6\uff0c\u6bcf\u4e00\u4e2a\u77e5\u8bc6\u70b9\u90fd\u8bb2\u5f97\u975e\u5e38\u900f\u5f7b\u3002\u4eceLED\u95ea\u70c1\u5230\u6570\u7801\u7ba1\u663e\u793a\uff0c\u4ece\u6309\u952e\u68c0\u6d4b\u5230\u5b9a\u65f6\u5668\u5e94\u7528\uff0c\u6bcf\u4e2a\u4f8b\u5b50\u90fd\u6709\u5b8c\u6574\u7684\u786c\u4ef6\u8fde\u63a5\u56fe\u3001\u8be6\u7ec6\u7684\u4ee3\u7801\u6ce8\u91ca\u548c\u6df1\u5165\u7684\u539f\u7406\u5206\u6790\u3002\u8fd9\u79cd&#8221;\u624b\u628a\u624b&#8221;\u7684\u6559\u5b66\u65b9\u5f0f\u8ba9\u521d\u5b66\u8005\u5f88\u5bb9\u6613\u4e0a\u624b\uff0c\u4e5f\u4e0d\u5bb9\u6613\u5728\u57fa\u7840\u95ee\u9898\u4e0a\u72af\u9519\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u4fe1\u606f\u8fc7\u8f7d&#8221;\u56f0\u5883<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5f53\u6211\u8f6c\u5411STM32\u5b66\u4e60\u65f6\uff0c\u5374\u53d1\u73b0\u4e86\u4e00\u4e2a\u5947\u602a\u7684\u73b0\u8c61\uff1a\u8d44\u6599\u591a\u5f97\u8ba9\u4eba\u773c\u82b1\u7f2d\u4e71\uff0c\u4f46\u8d28\u91cf\u5374\u53c2\u5dee\u4e0d\u9f50\u3002\u5b98\u65b9\u6587\u6863\u3001\u7b2c\u4e09\u65b9\u6559\u7a0b\u3001\u535a\u5ba2\u6587\u7ae0\u3001\u89c6\u9891\u8bfe\u7a0b&#8230;\u5404\u79cd\u8d44\u6e90\u5e94\u6709\u5c3d\u6709\uff0c\u4f46\u5f80\u5f80\u8ba9\u4eba\u4e0d\u77e5\u9053\u4ece\u4f55\u4e0b\u624b\u3002<\/p>\n<p>STM32\u7684\u5b98\u65b9\u6587\u6863\u867d\u7136\u8be6\u7ec6\uff0c\u4f46\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u8fc7\u4e8e\u590d\u6742\u548c\u4e13\u4e1a\u3002\u539a\u8fbe\u51e0\u5343\u9875\u7684\u53c2\u8003\u624b\u518c\u3001\u6570\u767e\u9875\u7684\u6570\u636e\u624b\u518c\u3001\u5404\u79cd\u5e94\u7528\u7b14\u8bb0&#8230;\u8fd9\u4e9b\u6587\u6863\u7684\u4fe1\u606f\u5bc6\u5ea6\u6781\u9ad8\uff0c\u4f46\u7f3a\u4e4f\u7cfb\u7edf\u6027\u7684\u5b66\u4e60\u6307\u5bfc\u3002\u521d\u5b66\u8005\u5f80\u5f80\u5728\u8fd9\u4e9b\u6587\u6863\u7684\u6d77\u6d0b\u4e2d\u8ff7\u5931\u65b9\u5411\uff0c\u627e\u4e0d\u5230\u5408\u9002\u7684\u5b66\u4e60\u8def\u5f84\u3002<\/p>\n<p>\u66f4\u9ebb\u70e6\u7684\u662f\u7f51\u7edc\u4e0a\u7684\u6559\u7a0b\u8d28\u91cf\u826f\u83a0\u4e0d\u9f50\u3002\u6709\u4e9b\u6559\u7a0b\u53ea\u662f\u7b80\u5355\u5730\u5c55\u793a\u4ee3\u7801\uff0c\u5374\u4e0d\u89e3\u91ca\u539f\u7406\uff1b\u6709\u4e9b\u6559\u7a0b\u8fc7\u5206\u4f9d\u8d56\u5e93\u51fd\u6570\uff0c\u8ba9\u5b66\u4e60\u8005\u4e00\u77e5\u534a\u89e3\uff1b\u8fd8\u6709\u4e9b\u6559\u7a0b\u5185\u5bb9\u8fc7\u65f6\uff0c\u4f7f\u7528\u7684\u662f\u8001\u7248\u672c\u7684\u5de5\u5177\u548c\u5e93\uff0c\u8ddf\u7740\u5b66\u4e60\u53cd\u800c\u4f1a\u51fa\u95ee\u9898\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66STM32\u65f6\uff0c\u7ecf\u5e38\u9047\u5230\u8fd9\u6837\u7684\u56f0\u6270\uff1a\u770b\u4e86\u597d\u51e0\u4e2a\u6559\u7a0b\uff0c\u6bcf\u4e2a\u90fd\u8bf4\u5f97\u6709\u9053\u7406\uff0c\u4f46\u65b9\u6cd5\u5374\u5b8c\u5168\u4e0d\u540c\u3002\u6709\u7684\u7528\u5e93\u51fd\u6570\uff0c\u6709\u7684\u76f4\u63a5\u64cd\u4f5c\u5bc4\u5b58\u5668\uff1b\u6709\u7684\u7528\u6807\u51c6\u5916\u8bbe\u5e93\uff0c\u6709\u7684\u7528HAL\u5e93\uff1b\u6709\u7684\u63a8\u8350Keil\uff0c\u6709\u7684\u63a8\u8350IAR\u3002\u8fd9\u79cd\u9009\u62e9\u7684\u591a\u6837\u6027\u867d\u7136\u4f53\u73b0\u4e86STM32\u751f\u6001\u7684\u4e30\u5bcc\uff0c\u4f46\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u5374\u662f\u4e00\u79cd\u8d1f\u62c5\u3002<\/p>\n<h2><strong>\u601d\u7ef4\u6a21\u5f0f\u7684\u6839\u672c\u6027\u8f6c\u53d8\u2014\u2014\u4ece\u987a\u5e8f\u601d\u7ef4\u5230\u7cfb\u7edf\u601d\u7ef4<\/strong><\/h2>\n<p>\u6700\u6839\u672c\u7684\u5dee\u5f02\u8fd8\u5728\u4e8e\u4e24\u79cd\u5e73\u53f0\u6240\u8981\u6c42\u7684\u601d\u7ef4\u6a21\u5f0f\u5b8c\u5168\u4e0d\u540c\u3002\u8fd9\u79cd\u601d\u7ef4\u6a21\u5f0f\u7684\u8f6c\u53d8\u5f80\u5f80\u662f\u6700\u56f0\u96be\u7684\uff0c\u4e5f\u662f\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u3002<\/p>\n<p><strong>51\u65f6\u4ee3\u7684&#8221;\u987a\u5e8f\u601d\u7ef4&#8221;\u6a21\u5f0f<\/strong><\/p>\n<p>51\u5355\u7247\u673a\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u57fa\u672c\u4e0a\u9075\u5faa\u987a\u5e8f\u6267\u884c\u7684\u903b\u8f91\uff1a\u4e0a\u7535\u590d\u4f4d\u3001\u521d\u59cb\u5316\u3001\u4e3b\u5faa\u73af\u3001\u4e2d\u65ad\u5904\u7406\u3002\u6574\u4e2a\u7a0b\u5e8f\u7ed3\u6784\u7b80\u5355\u660e\u4e86\uff0c\u6267\u884c\u6d41\u7a0b\u5bb9\u6613\u8ddf\u8e2a\u548c\u7406\u89e3\u3002\u5f53\u65f6\u6211\u5199\u7a0b\u5e8f\u57fa\u672c\u4e0a\u5c31\u662f\u6309\u7167\u529f\u80fd\u9700\u6c42\u4e00\u6b65\u6b65\u5b9e\u73b0\uff0c\u5f88\u5c11\u9700\u8981\u8003\u8651\u590d\u6742\u7684\u7cfb\u7edf\u7ea7\u95ee\u9898\u3002<\/p>\n<p>\u90a3\u65f6\u5019\u7684\u7a0b\u5e8f\u89c4\u6a21\u901a\u5e38\u90fd\u5f88\u5c0f\uff0cmain\u51fd\u6570\u91cc\u9762\u5305\u542b\u5927\u90e8\u5206\u903b\u8f91\uff0c\u51fd\u6570\u8c03\u7528\u5c42\u6b21\u4e5f\u4e0d\u6df1\u3002\u5373\u4f7f\u51fa\u73b0\u95ee\u9898\uff0c\u4e5f\u5bb9\u6613\u901a\u8fc7\u5355\u6b65\u8c03\u8bd5\u6216\u8005\u7b80\u5355\u7684\u6253\u5370\u4fe1\u606f\u6765\u5b9a\u4f4d\u3002\u8fd9\u79cd\u76f4\u89c2\u7684\u5f00\u53d1\u65b9\u5f0f\u5f88\u9002\u5408\u521d\u5b66\u8005\u5efa\u7acb\u7f16\u7a0b\u4fe1\u5fc3\u548c\u57f9\u517b\u89e3\u51b3\u95ee\u9898\u7684\u80fd\u529b\u3002<\/p>\n<p><strong>STM32\u65f6\u4ee3\u7684&#8221;\u7cfb\u7edf\u601d\u7ef4&#8221;\u8981\u6c42<\/strong><\/p>\n<p>\u4f46\u662fSTM32\u7684\u5f00\u53d1\u5374\u8981\u6c42\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u7cfb\u7edf\u6027\u601d\u7ef4\u3002\u4f60\u9700\u8981\u540c\u65f6\u8003\u8651\u591a\u4e2a\u5916\u8bbe\u7684\u534f\u540c\u5de5\u4f5c\u3001\u4e0d\u540c\u4e2d\u65ad\u4f18\u5148\u7ea7\u7684\u5408\u7406\u914d\u7f6e\u3001\u7cfb\u7edf\u8d44\u6e90\u7684\u6709\u6548\u5206\u914d\u3001\u4ee3\u7801\u7ed3\u6784\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\u7b49\u7b49\u590d\u6742\u95ee\u9898\u3002<\/p>\n<p>\u8fd9\u79cd\u7cfb\u7edf\u6027\u601d\u7ef4\u7684\u57f9\u517b\u9700\u8981\u5927\u91cf\u7684\u5b9e\u8df5\u7ecf\u9a8c\u548c\u7406\u8bba\u77e5\u8bc6\u7684\u79ef\u7d2f\u3002\u521d\u5b66\u8005\u5f80\u5f80\u5728\u67d0\u4e2a\u5177\u4f53\u7684\u6280\u672f\u7ec6\u8282\u4e0a\u7ea0\u7ed3\u4e0d\u4f11\uff0c\u5374\u5ffd\u89c6\u4e86\u6574\u4f53\u7684\u7cfb\u7edf\u8bbe\u8ba1\u3002\u6bd4\u5982\u4e13\u6ce8\u4e8e\u67d0\u4e2a\u5916\u8bbe\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u5374\u4e0d\u7406\u89e3\u8fd9\u4e2a\u5916\u8bbe\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\u7684\u4f5c\u7528\u548c\u5730\u4f4d\uff1b\u5173\u6ce8\u67d0\u4e2a\u51fd\u6570\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u5374\u4e0d\u660e\u767d\u8fd9\u4e2a\u51fd\u6570\u6240\u5c5e\u7684\u8f6f\u4ef6\u5c42\u6b21\u548c\u8c03\u7528\u5173\u7cfb\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u771f\u6b63\u5efa\u7acbSTM32\u7684\u7cfb\u7edf\u601d\u7ef4\u662f\u5728\u505a\u4e00\u4e2a\u590d\u6742\u9879\u76ee\u7684\u65f6\u5019\u3002\u90a3\u4e2a\u9879\u76ee\u9700\u8981\u540c\u65f6\u5904\u7406\u4e32\u53e3\u901a\u4fe1\u3001SPI\u63a5\u53e3\u3001I2C\u63a5\u53e3\u3001ADC\u91c7\u96c6\u3001PWM\u8f93\u51fa\u3001\u5b9a\u65f6\u5668\u4e2d\u65ad\u7b49\u591a\u4e2a\u529f\u80fd\u6a21\u5757\u3002\u521a\u5f00\u59cb\u6211\u8bd5\u56fe\u752851\u7684\u601d\u7ef4\u65b9\u5f0f\u6765\u8bbe\u8ba1\uff0c\u7ed3\u679c\u5404\u79cd\u95ee\u9898\u5c42\u51fa\u4e0d\u7a77\uff1a\u4e2d\u65ad\u51b2\u7a81\u3001\u65f6\u5e8f\u6df7\u4e71\u3001\u8d44\u6e90\u4e89\u7528&#8230;<\/p>\n<p>\u540e\u6765\u6211\u610f\u8bc6\u5230\u5fc5\u987b\u4ece\u7cfb\u7edf\u7684\u89d2\u5ea6\u6765\u7edf\u7b79\u89c4\u5212\uff1a\u9996\u5148\u68b3\u7406\u5404\u4e2a\u529f\u80fd\u6a21\u5757\u7684\u9700\u6c42\u548c\u7ea6\u675f\u6761\u4ef6\uff0c\u7136\u540e\u5408\u7406\u5206\u914d\u7cfb\u7edf\u8d44\u6e90\uff0c\u63a5\u7740\u8bbe\u8ba1\u6e05\u6670\u7684\u8f6f\u4ef6\u67b6\u6784\uff0c\u6700\u540e\u624d\u662f\u5177\u4f53\u529f\u80fd\u7684\u5b9e\u73b0\u3002\u8fd9\u79cd\u81ea\u4e0a\u800c\u4e0b\u7684\u8bbe\u8ba1\u65b9\u6cd5\u867d\u7136\u524d\u671f\u6295\u5165\u8f83\u5927\uff0c\u4f46\u540e\u671f\u7684\u5f00\u53d1\u548c\u7ef4\u62a4\u6548\u7387\u5374\u5927\u5927\u63d0\u9ad8\u3002<\/p>\n<h2><strong>\u5b9e\u6218\u7ecf\u9a8c\u5206\u4eab\u2014\u2014\u5982\u4f55\u8de8\u8d8a\u8fd9\u9053\u9e3f\u6c9f<\/strong><\/h2>\n<p>\u57fa\u4e8e\u8fd9\u4e9b\u5e74\u7684\u5b66\u4e60\u548c\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u6211\u60f3\u5206\u4eab\u4e00\u4e9b\u5b9e\u7528\u7684\u5efa\u8bae\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5927\u5bb6\u66f4\u987a\u5229\u5730\u4ece51\u8fc7\u6e21\u5230STM32\u3002<\/p>\n<p><strong>\u5236\u5b9a\u5faa\u5e8f\u6e10\u8fdb\u7684\u5b66\u4e60\u8ba1\u5212<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u5343\u4e07\u4e0d\u8981\u6025\u4e8e\u6c42\u6210\u3002STM32\u7684\u5b66\u4e60\u662f\u4e00\u4e2a\u9700\u8981\u6301\u7eed\u79ef\u7d2f\u7684\u8fc7\u7a0b\uff0c\u8bd5\u56fe\u5feb\u901f\u638c\u63e1\u6240\u6709\u529f\u80fd\u5f80\u5f80\u4f1a\u9002\u5f97\u5176\u53cd\u3002\u6211\u5efa\u8bae\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u9010\u6b65\u6df1\u5165\uff1a<\/p>\n<p>\u7b2c\u4e00\u9636\u6bb5\uff1a<strong>\u57fa\u7840\u73af\u5883\u642d\u5efa\u548c\u7b80\u5355\u529f\u80fd\u5b9e\u73b0<\/strong>\uff081-2\u5468\uff09<\/p>\n<ul>\n<li>\u9009\u62e9\u4e00\u4e2a\u7a33\u5b9a\u7684\u5f00\u53d1\u73af\u5883\u5e76\u719f\u7ec3\u638c\u63e1<\/li>\n<li>\u5b9e\u73b0\u6700\u57fa\u672c\u7684GPIO\u63a7\u5236\u3001\u5ef6\u65f6\u51fd\u6570<\/li>\n<li>\u7406\u89e3STM32\u7684\u57fa\u672c\u5f00\u53d1\u6d41\u7a0b<\/li>\n<li>\u4e0d\u8981\u7ea0\u7ed3\u592a\u591a\u7ec6\u8282\uff0c\u5148\u5efa\u7acb\u6210\u529f\u7684\u4f53\u9a8c<\/li>\n<\/ul>\n<p>\u7b2c\u4e8c\u9636\u6bb5\uff1a<strong>\u6838\u5fc3\u5916\u8bbe\u7684\u6df1\u5165\u5b66\u4e60<\/strong>\uff084-6\u5468\uff09<\/p>\n<ul>\n<li>\u7cfb\u7edf\u5b66\u4e60\u65f6\u949f\u7cfb\u7edf\u7684\u914d\u7f6e\u548c\u7ba1\u7406<\/li>\n<li>\u638c\u63e1NVIC\u4e2d\u65ad\u7cfb\u7edf\u7684\u5de5\u4f5c\u539f\u7406<\/li>\n<li>\u719f\u7ec3\u4f7f\u7528\u5b9a\u65f6\u5668\u3001\u4e32\u53e3\u3001ADC\u7b49\u5e38\u7528\u5916\u8bbe<\/li>\n<li>\u5f00\u59cb\u5173\u6ce8\u4ee3\u7801\u7684\u7ed3\u6784\u548c\u53ef\u8bfb\u6027<\/li>\n<\/ul>\n<p>\u7b2c\u4e09\u9636\u6bb5\uff1a<strong>\u590d\u6742\u529f\u80fd\u7684\u7efc\u5408\u5e94\u7528<\/strong>\uff082-3\u4e2a\u6708\uff09<\/p>\n<ul>\n<li>\u5b9e\u73b0\u591a\u5916\u8bbe\u534f\u540c\u5de5\u4f5c\u7684\u9879\u76ee<\/li>\n<li>\u5b66\u4e60RTOS\u7b49\u9ad8\u7e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decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIv\" alt=\"\" title=\"\" loading=\"lazy\"><\/th>\n<\/tr>\n<\/thead>\n<\/tbody>\n<\/table>\n<p><strong>\u53e6\u5916\uff0c\u60f3\u8fdb\u5927\u5382\u7684\u540c\u5b66\uff0c\u4e00\u5b9a\u8981\u597d\u597d\u5b66\u7b97\u6cd5\uff0c\u8fd9\u662f\u9762\u8bd5\u5fc5\u5907\u7684\u3002\u8fd9\u91cc\u51c6\u5907\u4e86\u4e00\u4efd BAT \u5927\u4f6c\u603b\u7ed3\u7684 LeetCode \u5237\u9898\u5b9d\u5178\uff0c\u5f88\u591a\u4eba\u9760\u5b83\u4eec\u8fdb\u4e86\u5927\u5382\u3002<\/strong><\/p>\n<p><img decoding=\"async\" width=\"286\" height=\"83\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdaCCY\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=RDdv4yHWvFCKF8Laz%2BW%2B3g%3D%3D.oUh23m87khqMe%2FoY9RG2h7ysDUohm245uTNQk0KZ9QiZPwBqx5F37LSIKmizGUWu\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u5237\u9898 | LeetCode\u7b97\u6cd5\u5237\u9898\u795e\u5668\uff0c\u770b\u5b8c BAT \u968f\u4f60\u6311\uff01<\/a><\/p>\n<h3>\u6709\u6536\u83b7\uff1f\u5e0c\u671b\u8001\u94c1\u4eec\u6765\u4e2a\u4e09\u8fde\u51fb\uff0c\u7ed9\u66f4\u591a\u7684\u4eba\u770b\u5230\u8fd9\u7bc7\u6587\u7ae0<\/h3>\n<p><strong>\u63a8\u8350\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=6wlsu%2FkUBooGfBHAeWFU%2Bg%3D%3D.NMgq7FXOsU51SVG%2BeempVzmWWTCobShWJIgZVOzdzb%2Bp7S0MBD1jHXknT8RwPscf\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u3010\u826f\u8bb8\u5b66\u5802\u30112025\u5e74\u5d4c\u5165\u5f0f\u5982\u4f55\u9ad8\u85aa\u5165\u884c\uff1f<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=%2Fx4nsU2QDHoLxBQUrMpGHg%3D%3D.JYCIBLFY1XpPATizQ7%2FBLkQUOCPuFPXZiCa21dJrbRrNKxOkUI2QU48zfjrBd%2BxX\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u7f16\u7a0b\u8d44\u6599\u5927\u5168<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=ZO%2F0848t6Xw6hdEERXINNA%3D%3D.WEecSm5msHYATLUHNDwjCaUOorUpwGcgt4jVgdFDn8bIPxBJ2DQGxH1lY25kvKCM\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u7a0b\u5e8f\u5458\u5fc5\u5907\u8f6f\u4ef6\u8d44\u6e90<\/a><\/li>\n<\/ul>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u535a\u5ba2\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=BEOqC8evFD%2FBUV0IsKdZOw%3D%3D.rOm2KPutsZNSoakhWoSzK6zBQ9D%2Bk87x88EgWz0%2Ffxw%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">\u826f\u8bb8\u5d4c\u5165\u5f0f\u6559\u7a0b\u7f51<\/a>\uff0c\u6ee1\u6ee1\u90fd\u662f\u5e72\u8d27\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000046829738\">https:\/\/segmentfault.com\/a\/1190000046829738<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e3a\u4e00\u4e2a\u5728\u5d4c\u5165\u5f0f\u9886\u57df\u6478\u722c\u6eda\u6253\u4e86\u8fd110\u5e74\u7684\u8001\u5175\uff0c\u770b\u5230\u8fd9\u4e2a\u95ee\u9898\u65f6\u6211\u4e0d\u7981\u9732\u51fa\u4e86\u4f1a\u5fc3\u7684\u5fae\u7b11\uff0c\u4eff\u4f5b\u770b\u5230\u4e86\u5f53\u5e74\u90a3\u4e2a\u88abSTM [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020871","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020871"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020871\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}