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loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIp\" alt=\"\" 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MDK\u3001IAR EWARM\u3001STM32CubeIDE\u7b49\u3002\u6bcf\u79cd\u73af\u5883\u90fd\u6709\u81ea\u5df1\u7684\u7279\u70b9\u548c\u4f18\u52bf\uff0c\u4f46\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u6211\u63a8\u8350\u4f7f\u7528Keil MDK\uff0c\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<p>\u9996\u5148\uff0cKeil MDK\u5728\u4e2d\u56fd\u7684\u5d4c\u5165\u5f0f\u5f00\u53d1\u9886\u57df\u5360\u6709\u7edd\u5bf9\u7684\u4e3b\u5bfc\u5730\u4f4d\uff0c\u7f51\u4e0a\u7684\u6559\u7a0b\u3001\u4f8b\u7a0b\u3001\u6280\u672f\u6587\u7ae0\u7edd\u5927\u591a\u6570\u90fd\u662f\u57fa\u4e8eKeil\u5e73\u53f0\u7684\u3002\u5f53\u4f60\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\u9047\u5230\u95ee\u9898\u65f6\uff0c\u5f88\u5bb9\u6613\u627e\u5230\u76f8\u5173\u7684\u89e3\u51b3\u65b9\u6848\u548c\u8ba8\u8bba\u3002<\/p>\n<p>\u5176\u6b21\uff0cKeil\u7684\u7528\u6237\u754c\u9762\u76f8\u5bf9\u53cb\u597d\uff0c\u4e0a\u624b\u96be\u5ea6\u8f83\u4f4e\u3002\u5b83\u7684\u754c\u9762\u5e03\u5c40\u5408\u7406\uff0c\u529f\u80fd\u83dc\u5355\u6e05\u6670\uff0c\u5373\u4f7f\u662f\u521d\u5b66\u8005\u4e5f\u80fd\u6bd4\u8f83\u5feb\u5730\u719f\u6089\u64cd\u4f5c\u65b9\u6cd5\u3002<\/p>\n<p>\u7b2c\u4e09\uff0cKeil\u5bf9STM32\u7684\u652f\u6301\u6700\u4e3a\u5b8c\u5584\uff0c\u7f16\u8bd1\u4f18\u5316\u6548\u679c\u4e5f\u5f88\u597d\u3002ARM\u516c\u53f8\u672c\u8eab\u5c31\u662fKeil\u7684\u5f00\u53d1\u5546\uff0c\u56e0\u6b64\u5bf9ARM\u5185\u6838\u7684\u652f\u6301\u81ea\u7136\u662f\u6700\u4f18\u7684\u3002<\/p>\n<p><strong>Keil\u5b89\u88c5\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879<\/strong>\uff1a<\/p>\n<p>\u4e0b\u8f7d\u6b63\u786e\u7248\u672c\u662f\u7b2c\u4e00\u6b65\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cSTM32\u5f00\u53d1\u9700\u8981\u4e0b\u8f7dKeil MDK-ARM\u7248\u672c\uff0c\u800c\u4e0d\u662fKeil C51\u7248\u672c\u3002\u8fd9\u4e24\u4e2a\u7248\u672c\u662f\u5b8c\u5168\u4e0d\u540c\u7684\u4ea7\u54c1\uff0c\u529f\u80fd\u548c\u652f\u6301\u7684\u82af\u7247\u7c7b\u578b\u90fd\u4e0d\u4e00\u6837\u3002<\/p>\n<p>\u5b89\u88c5\u8def\u5f84\u7684\u9009\u62e9\u4e5f\u5f88\u91cd\u8981\u3002\u6211\u5efa\u8bae\u5c06Keil\u5b89\u88c5\u5728\u7eaf\u82f1\u6587\u8def\u5f84\u4e0b\uff0c\u8def\u5f84\u4e2d\u4e0d\u8981\u5305\u542b\u4e2d\u6587\u5b57\u7b26\u3001\u7a7a\u683c\u6216\u7279\u6b8a\u7b26\u53f7\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5728\u540e\u7eed\u4f7f\u7528\u4e2d\u51fa\u73b0\u5404\u79cd\u5947\u602a\u7684\u95ee\u9898\u3002\u6211\u89c1\u8fc7\u5f88\u591a\u521d\u5b66\u8005\u56e0\u4e3a\u5b89\u88c5\u8def\u5f84\u5305\u542b\u4e2d\u6587\u5b57\u7b26\u800c\u5bfc\u81f4\u7f16\u8bd1\u5931\u8d25\u6216\u8005\u8c03\u8bd5\u5f02\u5e38\u3002<\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u8fd8\u9700\u8981\u5b89\u88c5STM32\u7684\u5668\u4ef6\u652f\u6301\u5305\uff08Device Family Pack\uff0c\u7b80\u79f0DFP\uff09\u3002\u8fd9\u662f\u5f88\u591a\u521d\u5b66\u8005\u5bb9\u6613\u5ffd\u7565\u7684\u6b65\u9aa4\uff0c\u4f46\u5374\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u6ca1\u6709\u5b89\u88c5DFP\uff0c\u5728\u521b\u5efa\u5de5\u7a0b\u65f6\u5c31\u627e\u4e0d\u5230\u5bf9\u5e94\u7684STM32\u82af\u7247\u578b\u53f7\u3002<\/p>\n<p>DFP\u7684\u5b89\u88c5\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\uff1a\u4e00\u662f\u5728\u7ebf\u5b89\u88c5\uff0c\u901a\u8fc7Keil\u7684Pack Installer\u81ea\u52a8\u4e0b\u8f7d\u5b89\u88c5\uff1b\u4e8c\u662f\u79bb\u7ebf\u5b89\u88c5\uff0c\u4eceST\u5b98\u7f51\u6216\u8005Keil\u5b98\u7f51\u4e0b\u8f7dDFP\u6587\u4ef6\uff0c\u7136\u540e\u624b\u52a8\u5b89\u88c5\u3002\u6211\u63a8\u8350\u4f7f\u7528\u79bb\u7ebf\u5b89\u88c5\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5728\u7ebf\u5b89\u88c5\u7ecf\u5e38\u56e0\u4e3a\u7f51\u7edc\u95ee\u9898\u800c\u5931\u8d25\u3002<\/p>\n<p><strong>\u56fa\u4ef6\u5e93\u7684\u7406\u89e3\u548c\u9009\u62e9\u7b56\u7565<\/strong><\/p>\n<p>STM32\u7684\u8f6f\u4ef6\u5f00\u53d1\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u4e0d\u540c\u7684\u8f6f\u4ef6\u5e93\uff0c\u4e3b\u8981\u5305\u62ec\u5bc4\u5b58\u5668\u7f16\u7a0b\u3001\u6807\u51c6\u5916\u8bbe\u5e93\uff08Standard Peripheral Library\uff0c\u7b80\u79f0SPL\uff09\u3001HAL\u5e93\uff08Hardware Abstraction Layer\uff09\u7b49\u65b9\u5f0f\u3002\u9009\u62e9\u54ea\u79cd\u5f00\u53d1\u65b9\u5f0f\u5bf9\u5b66\u4e60\u6548\u679c\u6709\u5f88\u5927\u5f71\u54cd\u3002<\/p>\n<p><strong>\u5bc4\u5b58\u5668\u7f16\u7a0b\u65b9\u5f0f<\/strong>\uff1a\u8fd9\u662f\u6700\u5e95\u5c42\u7684\u7f16\u7a0b\u65b9\u5f0f\uff0c\u76f4\u63a5\u64cd\u4f5cSTM32\u7684\u5404\u79cd\u5bc4\u5b58\u5668\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u6548\u7387\u9ad8\uff0c\u5bf9\u786c\u4ef6\u7684\u63a7\u5236\u6700\u4e3a\u7cbe\u786e\uff0c\u6709\u52a9\u4e8e\u6df1\u5165\u7406\u89e3STM32\u7684\u5de5\u4f5c\u539f\u7406\u3002\u4f46\u7f3a\u70b9\u662f\u7f16\u7a0b\u590d\u6742\u5ea6\u5f88\u9ad8\uff0c\u5f00\u53d1\u6548\u7387\u8f83\u4f4e\uff0c\u5bf9\u521d\u5b66\u8005\u7684\u8981\u6c42\u5f88\u9ad8\u3002<\/p>\n<p><strong>\u6807\u51c6\u5916\u8bbe\u5e93\uff08SPL\uff09<\/strong>\uff1a\u8fd9\u662fST\u516c\u53f8\u65e9\u671f\u63a8\u51fa\u7684\u8f6f\u4ef6\u5e93\uff0c\u5bf9STM32\u7684\u5404\u79cd\u5916\u8bbe\u8fdb\u884c\u4e86\u51fd\u6570\u5316\u5c01\u88c5\uff0c\u964d\u4f4e\u4e86\u7f16\u7a0b\u96be\u5ea6\u3002SPL\u7684\u62bd\u8c61\u5c42\u6b21\u9002\u4e2d\uff0c\u65e2\u4fdd\u6301\u4e86\u5bf9\u786c\u4ef6\u7684\u76f4\u63a5\u63a7\u5236\u80fd\u529b\uff0c\u53c8\u7b80\u5316\u4e86\u7f16\u7a0b\u590d\u6742\u5ea6\u3002<\/p>\n<p><strong>HAL\u5e93\uff08Hardware Abstraction Layer\uff09<\/strong>\uff1a\u8fd9\u662fST\u516c\u53f8\u76ee\u524d\u4e3b\u63a8\u7684\u8f6f\u4ef6\u5e93\uff0c\u62bd\u8c61\u5c42\u6b21\u66f4\u9ad8\uff0c\u7f16\u7a0b\u66f4\u52a0\u7b80\u5316\u3002HAL\u5e93\u8fd8\u96c6\u6210\u4e86\u4e2d\u95f4\u4ef6\u548c\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5feb\u901f\u6784\u5efa\u590d\u6742\u7684\u5e94\u7528\u7cfb\u7edf\u3002<\/p>\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005\uff0c\u6211\u5f3a\u70c8\u63a8\u8350\u4ece\u6807\u51c6\u5916\u8bbe\u5e93\u5f00\u59cb\u5b66\u4e60\u3002\u867d\u7136ST\u516c\u53f8\u73b0\u5728\u4e3b\u63a8HAL\u5e93\uff0c\u4f46\u6211\u8ba4\u4e3aSPL\u66f4\u9002\u5408\u5165\u95e8\u5b66\u4e60\uff0c\u7406\u7531\u5982\u4e0b\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u6807\u51c6\u5916\u8bbe\u5e93\u7684\u62bd\u8c61\u5c42\u6b21\u76f8\u5bf9\u8f83\u4f4e\uff0c\u51fd\u6570\u547d\u540d\u548c\u53c2\u6570\u8bbe\u7f6e\u90fd\u6bd4\u8f83\u76f4\u89c2\uff0c\u80fd\u591f\u8ba9\u521d\u5b66\u8005\u66f4\u597d\u5730\u7406\u89e3STM32\u786c\u4ef6\u7684\u5de5\u4f5c\u539f\u7406\u3002\u6bcf\u4e2a\u51fd\u6570\u57fa\u672c\u4e0a\u5bf9\u5e94\u4e00\u4e2a\u5177\u4f53\u7684\u786c\u4ef6\u64cd\u4f5c\uff0c\u5b66\u4e60\u8005\u53ef\u4ee5\u6e05\u695a\u5730\u77e5\u9053\u6bcf\u4e00\u6b65\u64cd\u4f5c\u7684\u5177\u4f53\u542b\u4e49\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u6807\u51c6\u5916\u8bbe\u5e93\u7684\u5b66\u4e60\u8d44\u6599\u6700\u4e3a\u4e30\u5bcc\u3002\u7531\u4e8eSPL\u53d1\u5e03\u8f83\u65e9\uff0c\u7f51\u4e0a\u6709\u5927\u91cf\u57fa\u4e8eSPL\u7684\u6559\u7a0b\u3001\u4f8b\u7a0b\u548c\u9879\u76ee\u6848\u4f8b\uff0c\u521d\u5b66\u8005\u53ef\u4ee5\u627e\u5230\u5145\u8db3\u7684\u53c2\u8003\u8d44\u6599\u3002<\/p>\n<p>\u7b2c\u4e09\uff0c\u4eceSPL\u8fc7\u6e21\u5230HAL\u5e93\u76f8\u5bf9\u5bb9\u6613\uff0c\u800c\u5982\u679c\u76f4\u63a5\u5b66\u4e60HAL\u5e93\uff0c\u540e\u7eed\u7406\u89e3\u5e95\u5c42\u539f\u7406\u4f1a\u6bd4\u8f83\u56f0\u96be\u3002\u638c\u63e1\u4e86SPL\u7684\u7f16\u7a0b\u65b9\u6cd5\u540e\uff0c\u518d\u5b66\u4e60HAL\u5e93\u6216\u8005\u5176\u4ed6\u66f4\u9ad8\u7ea7\u7684\u5f00\u53d1\u65b9\u5f0f\u4f1a\u66f4\u52a0\u5f97\u5fc3\u5e94\u624b\u3002<\/p>\n<p>\u6211\u5f53\u5e74\u5c31\u662f\u4ece\u6807\u51c6\u5916\u8bbe\u5e93\u5f00\u59cb\u5b66\u4e60\u7684\uff0c\u867d\u7136\u4e00\u5f00\u59cb\u89c9\u5f97\u6709\u4e9b\u590d\u6742\uff0c\u4f46\u8fd9\u4e2a\u8fc7\u7a0b\u8ba9\u6211\u5bf9STM32\u7684\u5e95\u5c42\u539f\u7406\u6709\u4e86\u6df1\u5165\u7684\u7406\u89e3\uff0c\u4e3a\u540e\u7eed\u7684\u6df1\u5165\u5b66\u4e60\u548c\u590d\u6742\u5e94\u7528\u5f00\u53d1\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002\u73b0\u5728\u5f53\u6211\u9700\u8981\u89e3\u51b3\u4e00\u4e9b\u590d\u6742\u7684\u6280\u672f\u95ee\u9898\u65f6\uff0c\u8fd9\u4e9b\u5e95\u5c42\u77e5\u8bc6\u7684\u79ef\u7d2f\u5f80\u5f80\u80fd\u591f\u53d1\u6325\u5173\u952e\u4f5c\u7528\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>\u5faa\u5e8f\u6e10\u8fdb\u7684\u7cfb\u7edf\u5316\u5b66\u4e60\u8def\u5f84\u2014\u2014\u4ece\u70b9\u4eaeLED\u5230\u590d\u6742\u7cfb\u7edf\u63a7\u5236<\/strong><\/h2>\n<p>\u5b66\u4e60STM32\u6700\u5fcc\u8bb3\u7684\u5c31\u662f\u6025\u4e8e\u6c42\u6210\uff0c\u60f3\u8981\u4e00\u53e3\u5403\u6210\u80d6\u5b50\u3002\u6211\u89c1\u8fc7\u592a\u591a\u7684\u521d\u5b66\u8005\uff0c\u521a\u5f00\u59cb\u5c31\u60f3\u505a\u590d\u6742\u7684\u673a\u5668\u4eba\u9879\u76ee\u6216\u8005\u7269\u8054\u7f51\u7cfb\u7edf\uff0c\u7ed3\u679c\u5728\u57fa\u7840\u77e5\u8bc6\u4e0d\u7262\u56fa\u7684\u60c5\u51b5\u4e0b\u9047\u5230\u5404\u79cd\u95ee\u9898\uff0c\u6700\u540e\u4fe1\u5fc3\u5168\u65e0\uff0c\u534a\u9014\u800c\u5e9f\u3002\u6b63\u786e\u7684\u5b66\u4e60\u65b9\u6cd5\u5e94\u8be5\u662f\u5faa\u5e8f\u6e10\u8fdb\uff0c\u6bcf\u4e2a\u9636\u6bb5\u90fd\u8981\u624e\u5b9e\u638c\u63e1\uff0c\u4e3a\u4e0b\u4e00\u9636\u6bb5\u7684\u5b66\u4e60\u6253\u597d\u57fa\u7840\u3002<\/p>\n<p><strong>\u7b2c\u4e00\u9636\u6bb5\uff1aGPIO\u64cd\u4f5c\u2014\u2014\u5d4c\u5165\u5f0f\u5f00\u53d1\u7684&#8221;Hello World&#8221;<\/strong><\/p>\n<p>\u5c31\u50cf\u5b66\u4e60\u4efb\u4f55\u7f16\u7a0b\u8bed\u8a00\u90fd\u8981\u4ece&#8221;Hello World&#8221;\u7a0b\u5e8f\u5f00\u59cb\u4e00\u6837\uff0c\u5b66\u4e60STM32\u4e5f\u8981\u4ece\u6700\u57fa\u7840\u7684GPIO\u64cd\u4f5c\u5f00\u59cb\u3002GPIO\uff08General Purpose Input\/Output\uff0c\u901a\u7528\u8f93\u5165\u8f93\u51fa\uff09\u662fSTM32\u4e0e\u5916\u754c\u4ea4\u4e92\u7684\u6700\u57fa\u672c\u3001\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u4e5f\u662f\u7406\u89e3\u5fae\u63a7\u5236\u5668\u5de5\u4f5c\u539f\u7406\u7684\u6700\u4f73\u5165\u53e3\u3002<\/p>\n<p><strong>\u70b9\u4eae\u7b2c\u4e00\u4e2aLED\u7684\u6df1\u5c42\u610f\u4e49<\/strong><\/p>\n<p>\u6211\u6c38\u8fdc\u4e0d\u4f1a\u5fd8\u8bb0\u7b2c\u4e00\u6b21\u6210\u529f\u70b9\u4eaeLED\u7684\u90a3\u4e2a\u77ac\u95f4\u5e26\u7ed9\u6211\u7684\u9707\u64bc\u548c\u6210\u5c31\u611f\u3002\u90a3\u662f2014\u5e74\u79cb\u5929\u7684\u4e00\u4e2a\u5468\u4e94\u665a\u4e0a\uff0c\u6211\u5728\u53a6\u95e8\u7684\u51fa\u79df\u623f\u91cc\u8c03\u8bd5\u4ee3\u7801\uff0c\u5f53\u770b\u5230\u5f00\u53d1\u677f\u4e0a\u90a3\u4e2a\u5c0f\u5c0f\u7684\u7ea2\u8272LED\u706f\u7b2c\u4e00\u6b21\u4eae\u8d77\u7684\u65f6\u5019\uff0c\u6211\u5185\u5fc3\u7684\u6fc0\u52a8\u7b80\u76f4\u65e0\u6cd5\u7528\u8a00\u8bed\u5f62\u5bb9\u3002\u867d\u7136\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u5f97\u4e0d\u80fd\u518d\u7b80\u5355\u7684LED\u63a7\u5236\uff0c\u4f46\u5b83\u4ee3\u8868\u7740\u6211\u771f\u6b63\u5b9e\u73b0\u4e86\u5bf9\u786c\u4ef6\u8bbe\u5907\u7684\u63a7\u5236\uff0c\u8fc8\u51fa\u4e86\u4ece\u8f6f\u4ef6\u4e16\u754c\u8d70\u5411\u786c\u4ef6\u4e16\u754c\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u70b9\u4eaeLED\u7edd\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u9a8c\uff0c\u5b83\u5176\u5b9e\u5305\u542b\u4e86STM32\u5f00\u53d1\u7684\u6240\u6709\u57fa\u672c\u8981\u7d20\u548c\u6838\u5fc3\u6982\u5ff5\u3002\u5728\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f60\u9700\u8981\u7406\u89e3\u65f6\u949f\u7cfb\u7edf\u7684\u914d\u7f6e\u3001GPIO\u7aef\u53e3\u7684\u521d\u59cb\u5316\u3001\u5bc4\u5b58\u5668\u7684\u64cd\u4f5c\u65b9\u6cd5\u3001\u7f16\u8bd1\u94fe\u63a5\u7684\u8fc7\u7a0b\u3001\u7a0b\u5e8f\u4e0b\u8f7d\u7684\u6d41\u7a0b\u3001\u8c03\u8bd5\u65b9\u6cd5\u7684\u4f7f\u7528\u7b49\u7b49\u3002\u901a\u8fc7\u8fd9\u4e2a\u57fa\u7840\u5b9e\u9a8c\uff0c\u4f60\u80fd\u591f\u5b8c\u6574\u5730\u719f\u6089STM32\u5f00\u53d1\u7684\u6574\u4e2a\u5de5\u4f5c\u6d41\u7a0b\uff1a\u5206\u6790\u9700\u6c42\u3001\u8bbe\u8ba1\u65b9\u6848\u3001\u7f16\u5199\u4ee3\u7801\u3001\u7f16\u8bd1\u8c03\u8bd5\u3001\u4e0b\u8f7d\u9a8c\u8bc1\u3001\u95ee\u9898\u89e3\u51b3\u3002<\/p>\n<p><strong>\u6df1\u5165\u7406\u89e3GPIO\u7684\u914d\u7f6e\u539f\u7406\u548c\u6280\u672f\u7ec6\u8282<\/strong><\/p>\n<p>GPIO\u770b\u8d77\u6765\u7b80\u5355\uff0c\u4f46\u5b9e\u9645\u4e0a\u5305\u542b\u4e86\u4e30\u5bcc\u7684\u6280\u672f\u5185\u5bb9\u548c\u914d\u7f6e\u9009\u9879\u3002STM32\u7684\u6bcf\u4e2aGPIO\u5f15\u811a\u90fd\u53ef\u4ee5\u914d\u7f6e\u4e3a\u591a\u79cd\u4e0d\u540c\u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u5305\u62ec\u8f93\u5165\u6a21\u5f0f\uff08\u6d6e\u7a7a\u8f93\u5165\u3001\u4e0a\u62c9\u8f93\u5165\u3001\u4e0b\u62c9\u8f93\u5165\uff09\u3001\u8f93\u51fa\u6a21\u5f0f\uff08\u63a8\u633d\u8f93\u51fa\u3001\u5f00\u6f0f\u8f93\u51fa\uff09\u3001\u590d\u7528\u529f\u80fd\u6a21\u5f0f\u3001\u6a21\u62df\u8f93\u5165\u6a21\u5f0f\u7b49\u3002\u6bcf\u79cd\u6a21\u5f0f\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5e94\u7528\u573a\u5408\u548c\u6280\u672f\u7279\u70b9\u3002<\/p>\n<p>\u5f53\u6211\u521a\u5f00\u59cb\u5b66\u4e60GPIO\u914d\u7f6e\u65f6\uff0c\u5bf9\u8fd9\u4e9b\u4e0d\u540c\u7684\u5de5\u4f5c\u6a21\u5f0f\u611f\u5230\u975e\u5e38\u56f0\u60d1\uff0c\u4e0d\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u8be5\u4f7f\u7528\u4ec0\u4e48\u6a21\u5f0f\uff0c\u7ecf\u5e38\u56e0\u4e3a\u914d\u7f6e\u9519\u8bef\u800c\u5bfc\u81f4\u7535\u8def\u5de5\u4f5c\u4e0d\u6b63\u5e38\u3002\u540e\u6765\u901a\u8fc7\u5927\u91cf\u7684\u5b9e\u9a8c\u548c\u6df1\u5165\u7684\u8d44\u6599\u5b66\u4e60\uff0c\u6211\u624d\u9010\u6e10\u7406\u89e3\u4e86\u6bcf\u79cd\u914d\u7f6e\u6a21\u5f0f\u7684\u5de5\u4f5c\u539f\u7406\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n<p><strong>\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u7528\u7684\u8f93\u51fa\u6a21\u5f0f\uff0c\u53ef\u4ee5\u8f93\u51fa\u5f3a\u7684\u9ad8\u7535\u5e73\u548c\u4f4e\u7535\u5e73\uff0c\u9a71\u52a8\u80fd\u529b\u8f83\u5f3a\u3002\u5f53\u9700\u8981\u76f4\u63a5\u9a71\u52a8LED\u3001\u7ee7\u7535\u5668\u7b49\u8d1f\u8f7d\u65f6\uff0c\u901a\u5e38\u4f7f\u7528\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f\u3002\u63a8\u633d\u8f93\u51fa\u7684\u7279\u70b9\u662f\u65e2\u53ef\u4ee5\u704c\u7535\u6d41\uff08\u8f93\u51fa\u4f4e\u7535\u5e73\u65f6\uff09\uff0c\u4e5f\u53ef\u4ee5\u62c9\u7535\u6d41\uff08\u8f93\u51fa\u9ad8\u7535\u5e73\u65f6\uff09\u3002<\/p>\n<p><strong>\u5f00\u6f0f\u8f93\u51fa\u6a21\u5f0f<\/strong>\uff1a\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cGPIO\u53ea\u80fd\u8f93\u51fa\u4f4e\u7535\u5e73\u6216\u8005\u9ad8\u963b\u6001\uff0c\u4e0d\u80fd\u8f93\u51fa\u5f3a\u7684\u9ad8\u7535\u5e73\u3002\u8981\u5f97\u5230\u9ad8\u7535\u5e73\u9700\u8981\u5916\u90e8\u4e0a\u62c9\u7535\u963b\u3002\u5f00\u6f0f\u8f93\u51fa\u5e38\u7528\u4e8eI2C\u30011-Wire\u7b49\u603b\u7ebf\u534f\u8bae\uff0c\u6216\u8005\u9700\u8981\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5728\u4e00\u8d77\u7684\u573a\u5408\u3002<\/p>\n<p><strong>\u4e0a\u62c9\u8f93\u5165\u6a21\u5f0f<\/strong>\uff1a\u5728\u8f93\u5165\u6a21\u5f0f\u4e0b\u5185\u90e8\u8fde\u63a5\u4e0a\u62c9\u7535\u963b\uff0c\u5f53\u5916\u90e8\u6ca1\u6709\u4fe1\u53f7\u8f93\u5165\u65f6\uff0c\u5f15\u811a\u5448\u73b0\u9ad8\u7535\u5e73\u72b6\u6001\u3002\u8fd9\u79cd\u6a21\u5f0f\u5e38\u7528\u4e8e\u8bfb\u53d6\u6309\u952e\u72b6\u6001\uff0c\u6309\u952e\u6309\u4e0b\u65f6\u62c9\u4f4e\u7535\u5e73\uff0c\u677e\u5f00\u65f6\u56de\u5230\u9ad8\u7535\u5e73\u3002<\/p>\n<p><strong>\u4e0b\u62c9\u8f93\u5165\u6a21\u5f0f<\/strong>\uff1a\u4e0e\u4e0a\u62c9\u8f93\u5165\u76f8\u53cd\uff0c\u5185\u90e8\u8fde\u63a5\u4e0b\u62c9\u7535\u963b\uff0c\u65e0\u5916\u90e8\u4fe1\u53f7\u65f6\u5448\u73b0\u4f4e\u7535\u5e73\u3002<\/p>\n<p><strong>\u6d6e\u7a7a\u8f93\u5165\u6a21\u5f0f<\/strong>\uff1a\u5185\u90e8\u65e2\u4e0d\u8fde\u63a5\u4e0a\u62c9\u4e5f\u4e0d\u8fde\u63a5\u4e0b\u62c9\u7535\u963b\uff0c\u5f15\u811a\u7684\u7535\u5e73\u5b8c\u5168\u7531\u5916\u90e8\u7535\u8def\u51b3\u5b9a\u3002\u8fd9\u79cd\u6a21\u5f0f\u5e38\u7528\u4e8e\u8bfb\u53d6\u5916\u90e8\u6a21\u62df\u4fe1\u53f7\u6216\u8005\u6570\u5b57\u4fe1\u53f7\u3002<\/p>\n<p>\u7406\u89e3\u8fd9\u4e9b\u914d\u7f6e\u6a21\u5f0f\u4e0d\u4ec5\u8981\u77e5\u9053\u5982\u4f55\u8bbe\u7f6e\uff0c\u66f4\u91cd\u8981\u7684\u662f\u8981\u7406\u89e3\u80cc\u540e\u7684\u7535\u8def\u539f\u7406\u3002\u6211\u8bb0\u5f97\u4e3a\u4e86\u6df1\u5165\u7406\u89e3\u63a8\u633d\u8f93\u51fa\u548c\u5f00\u6f0f\u8f93\u51fa\u7684\u533a\u522b\uff0c\u6211\u4e13\u95e8\u7528\u4e07\u7528\u8868\u6d4b\u91cf\u4e86\u4e0d\u540c\u914d\u7f6e\u4e0bGPIO\u5f15\u811a\u7684\u7535\u538b\u53d8\u5316\uff0c\u7528\u793a\u6ce2\u5668\u89c2\u5bdf\u4e86\u8d1f\u8f7d\u7535\u6d41\u7684\u53d8\u5316\u60c5\u51b5\uff0c\u8fd9\u79cd\u5b9e\u9a8c\u9a8c\u8bc1\u7684\u5b66\u4e60\u65b9\u6cd5\u8ba9\u6211\u7684\u7406\u89e3\u66f4\u52a0\u6df1\u523b\u548c\u7262\u56fa\u3002<\/p>\n<p><strong>\u5b9e\u9645\u9879\u76ee\u7684\u7cfb\u7edf\u6027\u6269\u5c55\u548c\u6df1\u5316<\/strong><\/p>\n<p>\u638c\u63e1\u4e86\u57fa\u672c\u7684GPIO\u63a7\u5236\u540e\uff0c\u9700\u8981\u901a\u8fc7\u4e00\u7cfb\u5217\u7531\u7b80\u5355\u5230\u590d\u6742\u7684\u9879\u76ee\u6765\u5de9\u56fa\u548c\u6df1\u5316\u7406\u89e3\u3002\u6211\u5efa\u8bae\u6309\u7167\u4ee5\u4e0b\u987a\u5e8f\u8fdb\u884c\u9879\u76ee\u7ec3\u4e60\uff1a<\/p>\n<p><strong>\u5355\u4e2aLED\u63a7\u5236\u9879\u76ee<\/strong>\uff1a\u6700\u57fa\u7840\u7684\u9879\u76ee\uff0c\u5b9e\u73b0LED\u7684\u70b9\u4eae\u3001\u7184\u706d\u3001\u95ea\u70c1\u7b49\u57fa\u672c\u63a7\u5236\u3002\u867d\u7136\u529f\u80fd\u7b80\u5355\uff0c\u4f46\u8981\u771f\u6b63\u7406\u89e3\u6bcf\u4e00\u884c\u4ee3\u7801\u7684\u542b\u4e49\uff0c\u7406\u89e3\u65f6\u949f\u914d\u7f6e\u3001GPIO\u521d\u59cb\u5316\u3001\u5ef6\u65f6\u51fd\u6570\u7b49\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<p><strong>\u591aLED\u6d41\u6c34\u706f\u9879\u76ee<\/strong>\uff1a\u63a7\u5236\u591a\u4e2aLED\u6309\u7167\u8bbe\u5b9a\u7684\u987a\u5e8f\u4f9d\u6b21\u70b9\u4eae\uff0c\u5f62\u6210\u6d41\u6c34\u6548\u679c\u3002\u8fd9\u4e2a\u9879\u76ee\u53ef\u4ee5\u5b66\u4e60\u6570\u7ec4\u7684\u4f7f\u7528\u3001\u5faa\u73af\u7ed3\u6784\u7684\u5e94\u7528\u3001\u65f6\u5e8f\u63a7\u5236\u7684\u65b9\u6cd5\u3002\u6211\u8bb0\u5f97\u5f53\u5e74\u505a\u8fd9\u4e2a\u9879\u76ee\u65f6\uff0c\u4e3a\u4e86\u5b9e\u73b0\u4e0d\u540c\u7684\u6d41\u6c34\u6548\u679c\uff0c\u6211\u8bbe\u8ba1\u4e86\u591a\u79cd\u4e0d\u540c\u7684\u7b97\u6cd5\uff0c\u6709\u4ece\u5de6\u5230\u53f3\u7684\u5355\u5411\u6d41\u6c34\u3001\u6709\u5f80\u8fd4\u7684\u53cc\u5411\u6d41\u6c34\u3001\u8fd8\u6709\u4e2d\u5fc3\u6269\u6563\u7684\u653e\u5c04\u6d41\u6c34\uff0c\u6bcf\u79cd\u6548\u679c\u90fd\u8ba9\u6211\u5bf9\u7b97\u6cd5\u8bbe\u8ba1\u6709\u4e86\u66f4\u6df1\u7684\u7406\u89e3\u3002<\/p>\n<p><strong>\u6309\u952e\u63a7\u5236LED\u9879\u76ee<\/strong>\uff1a\u901a\u8fc7\u6309\u952e\u6765\u63a7\u5236LED\u7684\u4eae\u706d\u72b6\u6001\u6216\u8005\u5207\u6362\u4e0d\u540c\u7684\u663e\u793a\u6a21\u5f0f\u3002\u8fd9\u4e2a\u9879\u76ee\u6d89\u53ca\u5230GPIO\u8f93\u5165\u68c0\u6d4b\u3001\u6309\u952e\u9632\u6296\u52a8\u5904\u7406\u3001\u72b6\u6001\u673a\u8bbe\u8ba1\u7b49\u91cd\u8981\u6982\u5ff5\u3002\u6309\u952e\u9632\u6296\u662f\u4e00\u4e2a\u5f88\u5b9e\u7528\u7684\u6280\u672f\uff0c\u673a\u68b0\u6309\u952e\u5728\u6309\u4e0b\u548c\u677e\u5f00\u7684\u77ac\u95f4\u4f1a\u4ea7\u751f\u6296\u52a8\uff0c\u5982\u679c\u4e0d\u8fdb\u884c\u9632\u6296\u5904\u7406\uff0c\u53ef\u80fd\u4f1a\u88ab\u8bef\u8ba4\u4e3a\u662f\u591a\u6b21\u6309\u952e\u64cd\u4f5c\u3002<\/p>\n<p><strong>PWM\u547c\u5438\u706f\u9879\u76ee<\/strong>\uff1a\u901a\u8fc7\u6539\u53d8LED\u7684\u4eae\u5ea6\u6765\u5b9e\u73b0\u547c\u5438\u6548\u679c\uff0cLED\u4ece\u6697\u5230\u4eae\u518d\u4ece\u4eae\u5230\u6697\uff0c\u50cf\u4eba\u7684\u547c\u5438\u4e00\u6837\u6709\u8282\u594f\u5730\u53d8\u5316\u3002\u867d\u7136\u8fd9\u4e2a\u9879\u76ee\u4f1a\u6d89\u53ca\u5230\u5b9a\u65f6\u5668\u548cPWM\u7684\u77e5\u8bc6\uff0c\u4f46\u53ef\u4ee5\u5148\u7528\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u6a21\u62df\uff0c\u6bd4\u5982\u901a\u8fc7\u63a7\u5236LED\u4eae\u706d\u7684\u65f6\u95f4\u6bd4\u4f8b\u6765\u6539\u53d8\u5e73\u5747\u4eae\u5ea6\u3002<\/p>\n<p>\u6211\u5efa\u8bae\u6bcf\u4e2a\u9879\u76ee\u90fd\u8981\u5b8c\u5168\u72ec\u7acb\u5b8c\u6210\uff0c\u4e0d\u8981\u7b80\u5355\u5730\u590d\u5236\u7c98\u8d34\u4ee3\u7801\u3002\u8981\u81ea\u5df1\u5206\u6790\u9700\u6c42\u3001\u8bbe\u8ba1\u65b9\u6848\u3001\u7f16\u5199\u4ee3\u7801\u3001\u8c03\u8bd5\u9a8c\u8bc1\u3002\u9047\u5230\u95ee\u9898\u65f6\u8981\u4e3b\u52a8\u601d\u8003\u539f\u56e0\uff0c\u67e5\u9605\u76f8\u5173\u8d44\u6599\uff0c\u901a\u8fc7\u5b9e\u9a8c\u6765\u9a8c\u8bc1\u81ea\u5df1\u7684\u60f3\u6cd5\u3002\u8fd9\u79cd\u4e3b\u52a8\u5b66\u4e60\u7684\u8fc7\u7a0b\u867d\u7136\u4f1a\u6bd4\u8f83\u8f9b\u82e6\uff0c\u4f46\u6536\u83b7\u4f1a\u6bd4\u88ab\u52a8\u63a5\u53d7\u77e5\u8bc6\u5927\u5f97\u591a\u3002<\/p>\n<p><strong>\u7b2c\u4e8c\u9636\u6bb5\uff1a\u4e32\u53e3\u901a\u4fe1\u2014\u2014\u4e0e\u5916\u754c\u6570\u636e\u4ea4\u6362\u7684\u91cd\u8981\u6865\u6881<\/strong><\/p>\n<p>\u638c\u63e1\u4e86\u57fa\u672c\u7684GPIO\u64cd\u4f5c\u540e\uff0c\u4e0b\u4e00\u4e2a\u91cd\u8981\u7684\u5b66\u4e60\u5185\u5bb9\u5c31\u662f\u4e32\u53e3\u901a\u4fe1\u3002\u4e32\u53e3\uff08UART\/USART\uff09\u662fSTM32\u4e0e\u5916\u754c\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u7684\u6700\u91cd\u8981\u3001\u6700\u5e38\u7528\u7684\u63a5\u53e3\u4e4b\u4e00\uff0c\u4e5f\u662f\u7a0b\u5e8f\u8c03\u8bd5\u548c\u7cfb\u7edf\u76d1\u63a7\u7684\u91cd\u8981\u5de5\u5177\u3002\u53ef\u4ee5\u6beb\u4e0d\u5938\u5f20\u5730\u8bf4\uff0c\u638c\u63e1\u4e86\u4e32\u53e3\u901a\u4fe1\uff0c\u4f60\u5c31\u6253\u5f00\u4e86STM32\u4e0e\u5916\u754c\u4ea4\u6d41\u7684\u5927\u95e8\u3002<\/p>\n<p><strong>\u4e32\u53e3\u901a\u4fe1\u539f\u7406\u7684\u6df1\u5ea6\u89e3\u6790<\/strong><\/p>\n<p>\u4e32\u53e3\u901a\u4fe1\u91c7\u7528\u5f02\u6b65\u4e32\u884c\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\uff0c\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u901a\u8fc7\u7ea6\u5b9a\u597d\u7684\u901a\u4fe1\u53c2\u6570\uff08\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\uff09\u6765\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u6b63\u786e\u6027\u3002\u867d\u7136\u539f\u7406\u542c\u8d77\u6765\u7b80\u5355\uff0c\u4f46\u8981\u771f\u6b63\u638c\u63e1\u4e32\u53e3\u901a\u4fe1\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3\u5176\u4e2d\u7684\u5404\u79cd\u6280\u672f\u7ec6\u8282\u3002<\/p>\n<p><strong>\u6ce2\u7279\u7387\u7684\u6982\u5ff5\u548c\u8ba1\u7b97\u65b9\u6cd5<\/strong>\uff1a\u6ce2\u7279\u7387\u8868\u793a\u6bcf\u79d2\u949f\u4f20\u8f93\u7684\u6bd4\u7279\u6570\uff0c\u662f\u4e32\u53e3\u901a\u4fe1\u6700\u91cd\u8981\u7684\u53c2\u6570\u3002\u5e38\u7528\u7684\u6ce2\u7279\u7387\u67099600\u300119200\u300138400\u300157600\u3001115200\u7b49\u3002\u6ce2\u7279\u7387\u5fc5\u987b\u5728\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u4fdd\u6301\u4e25\u683c\u4e00\u81f4\uff0c\u5426\u5219\u5c31\u4f1a\u51fa\u73b0\u901a\u4fe1\u9519\u8bef\u6216\u4e71\u7801\u73b0\u8c61\u3002<\/p>\n<p>STM32\u7684\u4e32\u53e3\u6ce2\u7279\u7387\u8ba1\u7b97\u76f8\u5bf9\u590d\u6742\uff0c\u6d89\u53ca\u5230\u7cfb\u7edf\u65f6\u949f\u548c\u591a\u7ea7\u5206\u9891\u5668\u3002\u4ee5USART1\u4e3a\u4f8b\uff0c\u5b83\u6302\u8f7d\u5728APB2\u603b\u7ebf\u4e0a\uff0c\u6ce2\u7279\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u662f\uff1a\u6ce2\u7279\u7387 = APB2\u65f6\u949f\u9891\u7387 \/ (16 \u00d7 USARTDIV)\uff0c\u5176\u4e2dUSARTDIV\u662f\u4e00\u4e2a\u53ef\u4ee5\u5305\u542b\u5c0f\u6570\u90e8\u5206\u7684\u5206\u9891\u503c\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66\u4e60\u4e32\u53e3\u65f6\uff0c\u7ecf\u5e38\u9047\u5230\u6ce2\u7279\u7387\u8bbe\u7f6e\u4e0d\u6b63\u786e\u5bfc\u81f4\u7684\u901a\u4fe1\u95ee\u9898\u3002\u6709\u65f6\u5019\u4ee3\u7801\u660e\u660e\u5199\u5f97\u6ca1\u95ee\u9898\uff0c\u4f46\u4e32\u53e3\u52a9\u624b\u63a5\u6536\u5230\u7684\u5c31\u662f\u4e71\u7801\u3002\u540e\u6765\u6211\u53d1\u73b0\uff0c\u8fd9\u901a\u5e38\u662f\u56e0\u4e3a\u7cfb\u7edf\u65f6\u949f\u914d\u7f6e\u4e0d\u6b63\u786e\uff0c\u5bfc\u81f4\u5b9e\u9645\u7684\u6ce2\u7279\u7387\u4e0e\u8bbe\u5b9a\u503c\u6709\u504f\u5dee\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u95ee\u9898\uff0c\u6211\u517b\u6210\u4e86\u4e60\u60ef\uff1a\u6bcf\u6b21\u914d\u7f6e\u4e32\u53e3\u65f6\u90fd\u4f1a\u7528\u793a\u6ce2\u5668\u5b9e\u9645\u6d4b\u91cf\u4e00\u4e0b\u4e32\u53e3\u53d1\u9001\u7684\u6ce2\u5f62\uff0c\u786e\u8ba4\u5b9e\u9645\u6ce2\u7279\u7387\u662f\u5426\u6b63\u786e\u3002<\/p>\n<p><strong>\u6570\u636e\u683c\u5f0f\u7684\u8be6\u7ec6\u5206\u6790<\/strong>\uff1a\u9664\u4e86\u6ce2\u7279\u7387\uff0c\u4e32\u53e3\u901a\u4fe1\u8fd8\u9700\u8981\u914d\u7f6e\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\u53c2\u6570\u3002\u6570\u636e\u4f4d\u901a\u5e38\u662f8\u4f4d\uff0c\u8868\u793a\u4e00\u6b21\u4f20\u8f93\u7684\u6709\u6548\u6570\u636e\u957f\u5ea6\uff1b\u505c\u6b62\u4f4d\u53ef\u4ee5\u662f1\u4f4d\u62162\u4f4d\uff0c\u7528\u4e8e\u6807\u8bc6\u4e00\u4e2a\u6570\u636e\u5e27\u7684\u7ed3\u675f\uff1b\u6821\u9a8c\u4f4d\u53ef\u4ee5\u9009\u62e9\u65e0\u6821\u9a8c\u3001\u5947\u6821\u9a8c\u6216\u5076\u6821\u9a8c\uff0c\u7528\u4e8e\u68c0\u6d4b\u4f20\u8f93\u9519\u8bef\u3002<\/p>\n<p><strong>\u4e32\u53e3\u7f16\u7a0b\u7684\u5b9e\u6218\u6280\u5de7\u548c\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p><strong>\u57fa\u672c\u6536\u53d1\u529f\u80fd\u7684\u5b9e\u73b0<\/strong>\uff1a\u6700\u57fa\u7840\u7684\u4e32\u53e3\u5e94\u7528\u662f\u5b9e\u73b0\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002\u53d1\u9001\u76f8\u5bf9\u7b80\u5355\uff0c\u53ea\u9700\u8981\u8c03\u7528\u76f8\u5e94\u7684\u5e93\u51fd\u6570\u5373\u53ef\u3002\u4f46\u63a5\u6536\u5c31\u76f8\u5bf9\u590d\u6742\u4e00\u4e9b\uff0c\u9700\u8981\u8003\u8651\u6570\u636e\u7684\u5b9e\u65f6\u6027\u3001\u7f13\u51b2\u533a\u7ba1\u7406\u3001\u9519\u8bef\u5904\u7406\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u6211\u5728\u5b66\u4e60\u4e32\u53e3\u63a5\u6536\u65f6\uff0c\u4e00\u5f00\u59cb\u4f7f\u7528\u7684\u662f\u67e5\u8be2\u65b9\u5f0f\uff0c\u5373\u5728\u4e3b\u5faa\u73af\u4e2d\u4e0d\u65ad\u68c0\u67e5\u4e32\u53e3\u63a5\u6536\u6807\u5fd7\u4f4d\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355\uff0c\u4f46\u4f1a\u5360\u7528\u5927\u91cf\u7684CPU\u65f6\u95f4\uff0c\u5f71\u54cd\u5176\u4ed6\u4efb\u52a1\u7684\u6267\u884c\u3002\u540e\u6765\u6211\u5b66\u4f1a\u4e86\u4f7f\u7528\u4e2d\u65ad\u65b9\u5f0f\u5904\u7406\u4e32\u53e3\u63a5\u6536\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6548\u7387\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u63a5\u6536\u7684\u6df1\u5165\u5e94\u7528<\/strong>\uff1a\u4e2d\u65ad\u65b9\u5f0f\u7684\u4e32\u53e3\u63a5\u6536\u662f\u5b9e\u9645\u9879\u76ee\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u5f53\u4e32\u53e3\u63a5\u6536\u5230\u6570\u636e\u65f6\uff0c\u786c\u4ef6\u81ea\u52a8\u89e6\u53d1\u4e2d\u65ad\uff0cCPU\u6682\u505c\u5f53\u524d\u4efb\u52a1\u53bb\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u5904\u7406\u5b8c\u6210\u540e\u7ee7\u7eed\u6267\u884c\u539f\u6765\u7684\u4efb\u52a1\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u54cd\u5e94\u53ca\u65f6\u3001CPU\u5360\u7528\u7387\u4f4e\u3002<\/p>\n<p>\u4f46\u4e2d\u65ad\u5904\u7406\u4e5f\u6709\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\uff1a\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u5e94\u8be5\u5c3d\u53ef\u80fd\u7b80\u77ed\uff0c\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u6700\u597d\u653e\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8fdb\u884c\uff1b\u8981\u6b63\u786e\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u907f\u514d\u91cd\u590d\u8fdb\u5165\u4e2d\u65ad\uff1b\u8981\u8003\u8651\u4e2d\u65ad\u5d4c\u5957\u548c\u4f18\u5148\u7ea7\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u73af\u5f62\u7f13\u51b2\u533a\u7684\u8bbe\u8ba1\u548c\u5e94\u7528<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e32\u53e3\u63a5\u6536\u7684\u6570\u636e\u91cf\u53ef\u80fd\u5f88\u5927\uff0c\u800c\u4e14\u5230\u8fbe\u65f6\u95f4\u4e0d\u786e\u5b9a\u3002\u4e3a\u4e86\u907f\u514d\u6570\u636e\u4e22\u5931\uff0c\u901a\u5e38\u9700\u8981\u8bbe\u8ba1\u4e00\u4e2a\u7f13\u51b2\u533a\u6765\u4e34\u65f6\u5b58\u50a8\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u73af\u5f62\u7f13\u51b2\u533a\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u7f13\u51b2\u533a\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528\u6709\u9650\u7684\u5185\u5b58\u7a7a\u95f4\u5b9e\u73b0\u65e0\u9650\u7684\u6570\u636e\u6d41\u5b58\u50a8\u3002<\/p>\n<p>\u6211\u5728\u7b2c\u4e00\u4e2a\u5546\u4e1a\u9879\u76ee\u4e2d\u5c31\u4f7f\u7528\u4e86\u73af\u5f62\u7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decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkFAQ\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><strong>\u7b2c\u4e09\u9636\u6bb5\uff1a\u5b9a\u65f6\u5668\u5e94\u7528\u2014\u2014\u7cbe\u786e\u65f6\u95f4\u63a7\u5236\u548c\u6ce2\u5f62\u751f\u6210\u7684\u6838\u5fc3<\/strong><\/p>\n<p>\u5b9a\u65f6\u5668\u662fSTM32\u6700\u91cd\u8981\u3001\u6700\u590d\u6742\u3001\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u5916\u8bbe\u4e4b\u4e00\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u4ea7\u751f\u7cbe\u786e\u7684\u65f6\u95f4\u5ef6\u8fdf\u548c\u5b9a\u65f6\u4e2d\u65ad\uff0c\u8fd8\u53ef\u4ee5\u751f\u6210PWM\u4fe1\u53f7\u3001\u6d4b\u91cf\u8109\u51b2\u5bbd\u5ea6\u3001\u8ba1\u6570\u5916\u90e8\u4e8b\u4ef6\u3001\u9a71\u52a8\u7f16\u7801\u5668\u63a5\u53e3\u7b49\u3002\u53ef\u4ee5\u8bf4\uff0c\u638c\u63e1\u4e86\u5b9a\u65f6\u5668\u7684\u5e94\u7528\uff0c\u5c31\u638c\u63e1\u4e86STM32\u7684\u7cbe\u9ad3\u3002<\/p>\n<p><strong>\u5b9a\u65f6\u5668\u5de5\u4f5c\u539f\u7406\u7684\u6df1\u5ea6\u5256\u6790<\/strong><\/p>\n<p>STM32\u7684\u5b9a\u65f6\u5668\u57fa\u4e8e\u4e00\u4e2a\u53ef\u7f16\u7a0b\u7684\u9012\u589e\u6216\u9012\u51cf\u8ba1\u6570\u5668\u5de5\u4f5c\u3002\u8ba1\u6570\u5668\u5728\u6bcf\u4e2a\u5b9a\u65f6\u5668\u65f6\u949f\u5468\u671f\u8fdb\u884c\u52a01\uff08\u6216\u51cf1\uff09\u64cd\u4f5c\uff0c\u5f53\u8ba1\u6570\u503c\u8fbe\u5230\u9884\u8bbe\u7684\u81ea\u52a8\u91cd\u8f7d\u503c\u65f6\uff0c\u4ea7\u751f\u6ea2\u51fa\u4e8b\u4ef6\u5e76\u53ef\u4ee5\u89e6\u53d1\u4e2d\u65ad\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u9884\u5206\u9891\u5668\uff08Prescaler\uff09\u548c\u81ea\u52a8\u91cd\u8f7d\u503c\uff08Auto-Reload Register\uff09\uff0c\u53ef\u4ee5\u5f97\u5230\u6240\u9700\u7684\u5b9a\u65f6\u5468\u671f\u3002<\/p>\n<p>\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u5de5\u4f5c\u539f\u7406\u80cc\u540e\uff0c\u5b9e\u9645\u4e0a\u5305\u542b\u4e86\u4e30\u5bcc\u7684\u6280\u672f\u7ec6\u8282\u3002\u8ba1\u6570\u5668\u7684\u65f6\u949f\u6765\u6e90\u53ef\u4ee5\u662f\u5185\u90e8\u65f6\u949f\u3001\u5916\u90e8\u65f6\u949f\u6216\u8005\u5176\u4ed6\u5b9a\u65f6\u5668\u7684\u8f93\u51fa\uff1b\u8ba1\u6570\u6a21\u5f0f\u53ef\u4ee5\u662f\u5411\u4e0a\u8ba1\u6570\u3001\u5411\u4e0b\u8ba1\u6570\u6216\u8005\u4e2d\u5fc3\u5bf9\u9f50\u8ba1\u6570\uff1b\u89e6\u53d1\u65b9\u5f0f\u53ef\u4ee5\u662f\u81ea\u52a8\u89e6\u53d1\u3001\u5916\u90e8\u89e6\u53d1\u6216\u8005\u8f6f\u4ef6\u89e6\u53d1\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66\u4e60\u5b9a\u65f6\u5668\u65f6\uff0c\u6700\u56f0\u60d1\u7684\u5c31\u662f\u9884\u5206\u9891\u5668\u7684\u6982\u5ff5\u548c\u4f5c\u7528\u3002\u540e\u6765\u901a\u8fc7\u753b\u56fe\u5206\u6790\u548c\u5b9e\u9645\u6d4b\u91cf\uff0c\u6211\u624d\u771f\u6b63\u7406\u89e3\uff1a\u9884\u5206\u9891\u5668\u76f8\u5f53\u4e8e\u5bf9\u8f93\u5165\u65f6\u949f\u8fdb\u884c\u5206\u9891\uff0c\u6bd4\u598272MHz\u7684\u65f6\u949f\u7ecf\u8fc772\u5206\u9891\u540e\u53d8\u62101MHz\uff0c\u8fd9\u6837\u8ba1\u6570\u5668\u6bcf\u6b21\u9012\u589e\u5c31\u76f8\u5f53\u4e8e1\u5fae\u79d2\u7684\u65f6\u95f4\u95f4\u9694\u3002\u6709\u4e86\u8fd9\u4e2a\u7406\u89e3\uff0c\u8ba1\u7b97\u5b9a\u65f6\u65f6\u95f4\u5c31\u53d8\u5f97\u5f88\u7b80\u5355\u4e86\uff1a\u5b9a\u65f6\u65f6\u95f4 = (\u9884\u5206\u9891\u503c+1) \u00d7 (\u81ea\u52a8\u91cd\u8f7d\u503c+1) \/ \u5b9a\u65f6\u5668\u65f6\u949f\u9891\u7387\u3002<\/p>\n<p><strong>\u57fa\u672c\u5b9a\u65f6\u5668\u5e94\u7528\u7684\u6df1\u5165\u5b9e\u8df5<\/strong><\/p>\n<p><strong>\u7cbe\u786e\u5ef6\u65f6\u7684\u5b9e\u73b0\u65b9\u6cd5<\/strong>\uff1a\u4f20\u7edf\u7684\u8f6f\u4ef6\u5ef6\u65f6\u65b9\u6cd5\uff08\u5982for\u5faa\u73af\u5ef6\u65f6\uff09\u867d\u7136\u7b80\u5355\uff0c\u4f46\u7cbe\u5ea6\u4e0d\u9ad8\uff0c\u800c\u4e14\u4f1a\u5360\u7528CPU\u65f6\u95f4\u3002\u4f7f\u7528\u5b9a\u65f6\u5668\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7684\u5ef6\u65f6\uff0c\u800c\u4e14\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u4efb\u52a1\u7684\u6267\u884c\u3002<\/p>\n<p>\u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7ecf\u5e38\u9700\u8981\u5b9e\u73b0\u5404\u79cd\u7cbe\u5ea6\u7684\u5ef6\u65f6\uff1a\u6beb\u79d2\u7ea7\u7684\u7528\u4e8e\u754c\u9762\u5237\u65b0\uff0c\u5fae\u79d2\u7ea7\u7684\u7528\u4e8e\u4f20\u611f\u5668\u91c7\u6837\uff0c\u79d2\u7ea7\u7684\u7528\u4e8e\u5b9a\u65f6\u4efb\u52a1\u3002\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u4e0d\u540c\u7684\u5b9a\u65f6\u5668\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u5ef6\u65f6\u9700\u6c42\u3002<\/p>\n<p><strong>\u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6\u7684\u8bbe\u8ba1<\/strong>\uff1a\u5728\u590d\u6742\u7684\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u6267\u884c\u591a\u4e2a\u5b9a\u65f6\u4efb\u52a1\uff0c\u6bd4\u5982\u6bcf100ms\u8bfb\u53d6\u4e00\u6b21\u4f20\u611f\u5668\u6570\u636e\uff0c\u6bcf1\u79d2\u66f4\u65b0\u4e00\u6b21\u663e\u793a\uff0c\u6bcf10\u79d2\u53d1\u9001\u4e00\u6b21\u5fc3\u8df3\u5305\u7b49\u3002\u4f7f\u7528\u5b9a\u65f6\u5668\u4e2d\u65ad\u53ef\u4ee5\u5b9e\u73b0\u7cbe\u786e\u7684\u4efb\u52a1\u8c03\u5ea6\u3002<\/p>\n<p>\u6211\u8bbe\u8ba1\u8fc7\u4e00\u4e2a\u57fa\u4e8e\u5b9a\u65f6\u5668\u7684\u7b80\u5355\u4efb\u52a1\u8c03\u5ea6\u5668\uff0c\u4f7f\u7528\u4e00\u4e2a\u7cfb\u7edf\u6ef4\u7b54\u5b9a\u65f6\u5668\u4ea7\u751f\u57fa\u51c6\u65f6\u949f\uff08\u6bd4\u59821ms\uff09\uff0c\u7136\u540e\u4e3a\u6bcf\u4e2a\u5b9a\u65f6\u4efb\u52a1\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\u3002\u5f53\u67d0\u4e2a\u4efb\u52a1\u7684\u8ba1\u6570\u5668\u8fbe\u5230\u9884\u8bbe\u503c\u65f6\uff0c\u5c31\u6267\u884c\u8be5\u4efb\u52a1\u5e76\u91cd\u7f6e\u8ba1\u6570\u5668\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u6709\u6548\uff0c\u80fd\u591f\u6ee1\u8db3\u5927\u90e8\u5206\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n<p><strong>PWM\u4fe1\u53f7\u751f\u6210\u7684\u6280\u672f\u8981\u70b9\u548c\u5e94\u7528\u5b9e\u4f8b<\/strong><\/p>\n<p>PWM\uff08\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\uff09\u662f\u5b9a\u65f6\u5668\u6700\u91cd\u8981\u7684\u5e94\u7528\u4e4b\u4e00\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7535\u673a\u63a7\u5236\u3001LED\u4eae\u5ea6\u8c03\u8282\u3001\u5f00\u5173\u7535\u6e90\u63a7\u5236\u3001\u97f3\u9891\u4fe1\u53f7\u751f\u6210\u7b49\u9886\u57df\u3002STM32\u7684\u5b9a\u65f6\u5668\u53ef\u4ee5\u540c\u65f6\u4ea7\u751f\u591a\u8defPWM\u4fe1\u53f7\uff0c\u800c\u4e14\u5177\u6709\u5f88\u9ad8\u7684\u5206\u8fa8\u7387\u548c\u7cbe\u5ea6\u3002<\/p>\n<p><strong>PWM\u5de5\u4f5c\u539f\u7406\u7684\u6df1\u5165\u7406\u89e3<\/strong>\uff1aPWM\u4fe1\u53f7\u7684\u4ea7\u751f\u57fa\u4e8e\u5b9a\u65f6\u5668\u7684\u6bd4\u8f83\u529f\u80fd\u3002\u5b9a\u65f6\u5668\u8ba1\u6570\u5668\u4e0e\u6bd4\u8f83\u5bc4\u5b58\u5668\u7684\u503c\u8fdb\u884c\u5b9e\u65f6\u6bd4\u8f83\uff0c\u6839\u636e\u6bd4\u8f83\u7ed3\u679c\u63a7\u5236\u8f93\u51fa\u5f15\u811a\u7684\u7535\u5e73\u72b6\u6001\u3002\u5f53\u8ba1\u6570\u503c\u5c0f\u4e8e\u6bd4\u8f83\u503c\u65f6\u8f93\u51fa\u4e00\u79cd\u7535\u5e73\uff08\u5982\u9ad8\u7535\u5e73\uff09\uff0c\u5f53\u8ba1\u6570\u503c\u5927\u4e8e\u6bd4\u8f83\u503c\u65f6\u8f93\u51fa\u53e6\u4e00\u79cd\u7535\u5e73\uff08\u5982\u4f4e\u7535\u5e73\uff09\u3002\u901a\u8fc7\u6539\u53d8\u6bd4\u8f83\u503c\uff0c\u5c31\u53ef\u4ee5\u6539\u53d8PWM\u4fe1\u53f7\u7684\u5360\u7a7a\u6bd4\u3002<\/p>\n<p>PWM\u7684\u9891\u7387\u7531\u5b9a\u65f6\u5668\u7684\u5468\u671f\u51b3\u5b9a\uff1aPWM\u9891\u7387 = \u5b9a\u65f6\u5668\u65f6\u949f\u9891\u7387 \/ [(\u9884\u5206\u9891\u503c+1) \u00d7 (\u81ea\u52a8\u91cd\u8f7d\u503c+1)]\u3002PWM\u7684\u5206\u8fa8\u7387\u7531\u81ea\u52a8\u91cd\u8f7d\u503c\u51b3\u5b9a\uff1a\u5982\u679c\u81ea\u52a8\u91cd\u8f7d\u503c\u4e3a999\uff0c\u5219PWM\u67091000\u4e2a\u7b49\u7ea7\u7684\u7cbe\u5ea6\u3002<\/p>\n<p><strong>PWM\u53c2\u6570\u914d\u7f6e\u7684\u5b9e\u6218\u7ecf\u9a8c<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cPWM\u7684\u9891\u7387\u548c\u5206\u8fa8\u7387\u5f80\u5f80\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u6765\u9009\u62e9\u3002\u6bd4\u5982\uff0c\u7528\u4e8eLED\u4eae\u5ea6\u63a7\u5236\u7684PWM\u9891\u7387\u901a\u5e38\u9009\u62e9\u57281-20kHz\u4e4b\u95f4\uff0c\u592a\u4f4e\u4f1a\u6709\u95ea\u70c1\u611f\uff0c\u592a\u9ad8\u4f1a\u589e\u52a0\u529f\u8017\uff1b\u7528\u4e8e\u7535\u673a\u63a7\u5236\u7684PWM\u9891\u7387\u901a\u5e38\u9009\u62e9\u572810-50kHz\u4e4b\u95f4\uff0c\u9700\u8981\u5728\u5f00\u5173\u635f\u8017\u548c\u63a7\u5236\u7cbe\u5ea6\u4e4b\u95f4\u627e\u5230\u5e73\u8861\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2aLED\u8c03\u5149\u9879\u76ee\u4e2d\uff0c\u4e3a\u4e86\u5b9e\u73b0\u5e73\u6ed1\u7684\u4eae\u5ea6\u8c03\u8282\u6548\u679c\uff0c\u4f7f\u7528\u4e8616\u4f4d\u7684PWM\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u63d0\u4f9b65536\u4e2a\u4eae\u5ea6\u7b49\u7ea7\u3002\u540c\u65f6\uff0c\u6211\u8fd8\u5b9e\u73b0\u4e86\u975e\u7ebf\u6027\u7684\u4eae\u5ea6\u6620\u5c04\uff0c\u56e0\u4e3a\u4eba\u773c\u5bf9\u4eae\u5ea6\u7684\u611f\u77e5\u662f\u975e\u7ebf\u6027\u7684\uff0c\u76f4\u63a5\u7684\u7ebf\u6027\u8c03\u8282\u4f1a\u611f\u89c9\u4e0d\u591f\u5e73\u6ed1\u3002<\/p>\n<p><strong>\u8f93\u5165\u6355\u83b7\u529f\u80fd\u7684\u5b9e\u9645\u5e94\u7528\u548c\u6280\u672f\u96be\u70b9<\/strong><\/p>\n<p>\u8f93\u5165\u6355\u83b7\u662f\u5b9a\u65f6\u5668\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u529f\u80fd\uff0c\u53ef\u4ee5\u7cbe\u786e\u6d4b\u91cf\u5916\u90e8\u4fe1\u53f7\u7684\u8109\u51b2\u5bbd\u5ea6\u3001\u5468\u671f\u3001\u9891\u7387\u7b49\u53c2\u6570\u3002\u8fd9\u5728\u6d4b\u91cf\u4f20\u611f\u5668\u4fe1\u53f7\u3001\u89e3\u7801\u901a\u4fe1\u534f\u8bae\u3001\u6d4b\u91cf\u7535\u673a\u8f6c\u901f\u7b49\u5e94\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p><strong>\u8109\u51b2\u5bbd\u5ea6\u6d4b\u91cf\u7684\u5b9e\u73b0\u65b9\u6cd5<\/strong>\uff1a\u8f93\u5165\u6355\u83b7\u7684\u57fa\u672c\u539f\u7406\u662f\uff1a\u5f53\u5916\u90e8\u4fe1\u53f7\u7684\u8fb9\u6cbf\uff08\u4e0a\u5347\u6cbf\u6216\u4e0b\u964d\u6cbf\uff09\u5230\u6765\u65f6\uff0c\u5b9a\u65f6\u5668\u81ea\u52a8\u6355\u83b7\u5f53\u524d\u7684\u8ba1\u6570\u503c\u5e76\u4fdd\u5b58\u5230\u6355\u83b7\u5bc4\u5b58\u5668\u4e2d\u3002\u901a\u8fc7\u5206\u6790\u8fde\u7eed\u4e24\u6b21\u6355\u83b7\u7684\u8ba1\u6570\u503c\u5dee\uff0c\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u8109\u51b2\u7684\u5bbd\u5ea6\u6216\u5468\u671f\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u9879\u76ee\u4e2d\u4f7f\u7528\u4e86\u8f93\u5165\u6355\u83b7\u529f\u80fd\u3002\u8d85\u58f0\u6ce2\u6a21\u5757\u53d1\u51fa\u8109\u51b2\u540e\uff0c\u5f53\u63a5\u6536\u5230\u56de\u6ce2\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a\u9ad8\u7535\u5e73\u4fe1\u53f7\uff0c\u8fd9\u4e2a\u4fe1\u53f7\u7684\u5bbd\u5ea6\u4e0e\u8ddd\u79bb\u6210\u6b63\u6bd4\u3002\u4f7f\u7528\u8f93\u5165\u6355\u83b7\u53ef\u4ee5\u7cbe\u786e\u6d4b\u91cf\u8fd9\u4e2a\u8109\u51b2\u7684\u5bbd\u5ea6\uff0c\u4ece\u800c\u8ba1\u7b97\u51fa\u51c6\u786e\u7684\u8ddd\u79bb\u503c\u3002<\/p>\n<p><strong>\u9891\u7387\u6d4b\u91cf\u7684\u6280\u672f\u5b9e\u73b0<\/strong>\uff1a\u6d4b\u91cf\u4fe1\u53f7\u9891\u7387\u6709\u4e24\u79cd\u5e38\u7528\u65b9\u6cd5\uff1a\u76f4\u63a5\u9891\u7387\u6d4b\u91cf\u548c\u5468\u671f\u6d4b\u91cf\u6cd5\u3002\u76f4\u63a5\u9891\u7387\u6d4b\u91cf\u662f\u5728\u56fa\u5b9a\u65f6\u95f4\u5185\u8ba1\u7b97\u8109\u51b2\u7684\u4e2a\u6570\uff1b\u5468\u671f\u6d4b\u91cf\u6cd5\u662f\u6d4b\u91cf\u4fe1\u53f7\u7684\u5468\u671f\uff0c\u7136\u540e\u8ba1\u7b97\u9891\u7387\u3002\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u88ab\u6d4b\u4fe1\u53f7\u7684\u9891\u7387\u8303\u56f4\u548c\u7cbe\u5ea6\u8981\u6c42\u3002<\/p>\n<p>\u5bf9\u4e8e\u4f4e\u9891\u4fe1\u53f7\uff08\u901a\u5e38\u5c0f\u4e8e10kHz\uff09\uff0c\u5468\u671f\u6d4b\u91cf\u6cd5\u7684\u7cbe\u5ea6\u66f4\u9ad8\uff1b\u5bf9\u4e8e\u9ad8\u9891\u4fe1\u53f7\uff0c\u76f4\u63a5\u9891\u7387\u6d4b\u91cf\u6cd5\u66f4\u5408\u9002\u3002\u6211\u5728\u8bbe\u8ba1\u4e00\u4e2a\u8f6c\u901f\u6d4b\u91cf\u7cfb\u7edf\u65f6\uff0c\u6839\u636e\u4e0d\u540c\u7684\u8f6c\u901f\u8303\u56f4\u81ea\u52a8\u9009\u62e9\u6d4b\u91cf\u65b9\u6cd5\uff0c\u4fdd\u8bc1\u4e86\u6574\u4e2a\u6d4b\u91cf\u8303\u56f4\u5185\u7684\u7cbe\u5ea6\u3002<\/p>\n<p><img decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkFzu\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><strong>\u7f16\u7801\u5668\u63a5\u53e3\u7684\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p>STM32\u7684\u5b9a\u65f6\u5668\u8fd8\u652f\u6301\u7f16\u7801\u5668\u63a5\u53e3\u529f\u80fd\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u65cb\u8f6c\u7f16\u7801\u5668\u6765\u6d4b\u91cf\u89d2\u5ea6\u3001\u4f4d\u7f6e\u3001\u8f6c\u901f\u7b49\u53c2\u6570\u3002\u8fd9\u4e2a\u529f\u80fd\u5728\u7535\u673a\u63a7\u5236\u3001\u673a\u5668\u4eba\u5bfc\u822a\u3001\u7cbe\u5bc6\u6d4b\u91cf\u7b49\u5e94\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u7f16\u7801\u5668\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5229\u7528\u5b9a\u65f6\u5668\u7684\u4e24\u4e2a\u8f93\u5165\u901a\u9053\u5206\u522b\u8fde\u63a5\u7f16\u7801\u5668\u7684A\u76f8\u548cB\u76f8\u4fe1\u53f7\uff0c\u901a\u8fc7\u786c\u4ef6\u81ea\u52a8\u8bc6\u522b\u6b63\u8f6c\u548c\u53cd\u8f6c\uff0c\u5e76\u76f8\u5e94\u5730\u9012\u589e\u6216\u9012\u51cf\u8ba1\u6570\u5668\u3002\u8fd9\u79cd\u786c\u4ef6\u5b9e\u73b0\u7684\u65b9\u5f0f\u6bd4\u8f6f\u4ef6\u89e3\u7801\u66f4\u52a0\u53ef\u9760\u548c\u7cbe\u786e\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u4e2d\u65ad\u5ef6\u8fdf\u6216\u8f6f\u4ef6\u5904\u7406\u65f6\u95f4\u800c\u4e22\u5931\u8109\u51b2\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u7cbe\u5bc6\u5b9a\u4f4d\u9879\u76ee\u4e2d\u4f7f\u7528\u4e86\u7f16\u7801\u5668\u63a5\u53e3\u529f\u80fd\u3002\u7cfb\u7edf\u9700\u8981\u63a7\u5236\u4e00\u4e2a\u6b65\u8fdb\u7535\u673a\u5b9e\u73b0\u5fae\u7c73\u7ea7\u7684\u7cbe\u5bc6\u5b9a\u4f4d\uff0c\u7f16\u7801\u5668\u7528\u4e8e\u5b9e\u65f6\u53cd\u9988\u7535\u673a\u7684\u5b9e\u9645\u4f4d\u7f6e\u3002\u901a\u8fc7\u7f16\u7801\u5668\u63a5\u53e3\uff0c\u7cfb\u7edf\u53ef\u4ee5\u5b9e\u65f6\u76d1\u6d4b\u7535\u673a\u7684\u8f6c\u52a8\u60c5\u51b5\uff0c\u5b9e\u73b0\u95ed\u73af\u63a7\u5236\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u5b9a\u4f4d\u7cbe\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<p><strong>\u7b2c\u56db\u9636\u6bb5\uff1aADC\u6a21\u62df\u6570\u5b57\u8f6c\u6362\u2014\u2014\u8fde\u63a5\u6a21\u62df\u4e16\u754c\u4e0e\u6570\u5b57\u4e16\u754c\u7684\u6865\u6881<\/strong><\/p>\n<p>\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u7edd\u5927\u591a\u6570\u7269\u7406\u91cf\u90fd\u662f\u8fde\u7eed\u53d8\u5316\u7684\u6a21\u62df\u91cf\uff0c\u6bd4\u5982\u6e29\u5ea6\u3001\u538b\u529b\u3001\u5149\u7167\u5f3a\u5ea6\u3001\u58f0\u97f3\u7b49\uff0c\u800c\u5fae\u63a7\u5236\u5668\u53ea\u80fd\u5904\u7406\u79bb\u6563\u7684\u6570\u5b57\u4fe1\u53f7\u3002ADC\uff08Analog-to-Digital Converter\uff0c\u6a21\u62df\u6570\u5b57\u8f6c\u6362\u5668\uff09\u5c31\u662f\u8fde\u63a5\u8fd9\u4e24\u4e2a\u4e16\u754c\u7684\u91cd\u8981\u6865\u6881\uff0c\u5b83\u80fd\u5c06\u8fde\u7eed\u53d8\u5316\u7684\u6a21\u62df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u79bb\u6563\u7684\u6570\u5b57\u4fe1\u53f7\uff0c\u4f7f\u5f97\u5fae\u63a7\u5236\u5668\u80fd\u591f&#8221;\u611f\u77e5&#8221;\u548c\u5904\u7406\u73b0\u5b9e\u4e16\u754c\u7684\u5404\u79cd\u4fe1\u606f\u3002<\/p>\n<p><strong>ADC\u5de5\u4f5c\u539f\u7406\u7684\u6df1\u5ea6\u6280\u672f\u89e3\u6790<\/strong><\/p>\n<p>STM32\u7684ADC\u91c7\u7528\u9010\u6b21\u903c\u8fd1\uff08SAR\uff0cSuccessive Approximation Register\uff09\u7684\u8f6c\u6362\u539f\u7406\uff0c\u8fd9\u662f\u4e00\u79cd\u5e73\u8861\u4e86\u901f\u5ea6\u3001\u7cbe\u5ea6\u548c\u6210\u672c\u7684\u4f18\u79c0\u8f6c\u6362\u65b9\u6cd5\u3002\u9010\u6b21\u903c\u8fd1\u7684\u57fa\u672c\u601d\u60f3\u7c7b\u4f3c\u4e8e\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\uff1a\u901a\u8fc7\u4e0d\u65ad\u5730\u4e0e\u53c2\u8003\u7535\u538b\u8fdb\u884c\u6bd4\u8f83\uff0c\u9010\u6b65\u786e\u5b9a\u8f93\u5165\u7535\u538b\u5bf9\u5e94\u7684\u6570\u5b57\u503c\u3002<\/p>\n<p>STM32F103\u7684ADC\u662f12\u4f4d\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5c060-3.3V\u7684\u6a21\u62df\u7535\u538b\u8303\u56f4\u5206\u62104096\u4e2a\u79bb\u6563\u7684\u7b49\u7ea7\uff082^12 = 4096\uff09\uff0c\u6bcf\u4e2a\u7b49\u7ea7\u5bf9\u5e94\u7ea60.8mV\u7684\u7535\u538b\u5206\u8fa8\u7387\u3002\u8fd9\u4e2a\u5206\u8fa8\u7387\u5bf9\u4e8e\u5927\u591a\u6570\u4f20\u611f\u5668\u5e94\u7528\u6765\u8bf4\u662f\u8db3\u591f\u7684\uff0c\u4f46\u5728\u4e00\u4e9b\u5bf9\u7cbe\u5ea6\u8981\u6c42\u6781\u9ad8\u7684\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5916\u90e8\u7684\u9ad8\u7cbe\u5ea6ADC\u82af\u7247\u3002<\/p>\n<p><strong>\u8f6c\u6362\u65f6\u95f4\u548c\u91c7\u6837\u7387\u7684\u6df1\u5165\u5206\u6790<\/strong>\uff1aADC\u7684\u8f6c\u6362\u8fc7\u7a0b\u9700\u8981\u4e00\u5b9a\u7684\u65f6\u95f4\uff0c\u8fd9\u4e2a\u65f6\u95f4\u88ab\u79f0\u4e3a\u8f6c\u6362\u65f6\u95f4\u3002\u8f6c\u6362\u65f6\u95f4\u4e3b\u8981\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u91c7\u6837\u65f6\u95f4\u548c\u8f6c\u6362\u65f6\u95f4\u3002\u91c7\u6837\u65f6\u95f4\u662fADC\u5185\u90e8\u7684\u91c7\u6837\u4fdd\u6301\u7535\u8def\u5bf9\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u91c7\u6837\u7684\u65f6\u95f4\uff1b\u8f6c\u6362\u65f6\u95f4\u662f\u9010\u6b21\u903c\u8fd1\u7b97\u6cd5\u6267\u884c\u7684\u65f6\u95f4\uff0c\u5bf9\u4e8e12\u4f4dADC\uff0c\u9700\u898112\u4e2a\u65f6\u949f\u5468\u671f\u3002<\/p>\n<p>\u91c7\u6837\u65f6\u95f4\u7684\u9009\u62e9\u975e\u5e38\u91cd\u8981\uff0c\u5b83\u9700\u8981\u6839\u636e\u4fe1\u53f7\u6e90\u7684\u7279\u6027\u6765\u786e\u5b9a\u3002\u5982\u679c\u4fe1\u53f7\u6e90\u7684\u5185\u963b\u8f83\u9ad8\uff0c\u9700\u8981\u8f83\u957f\u7684\u91c7\u6837\u65f6\u95f4\u6765\u4fdd\u8bc1\u91c7\u6837\u7535\u5bb9\u80fd\u591f\u5145\u5206\u5145\u7535\uff1b\u5982\u679c\u4fe1\u53f7\u53d8\u5316\u5f88\u5feb\uff0c\u9700\u8981\u8f83\u77ed\u7684\u91c7\u6837\u65f6\u95f4\u6765\u6355\u6349\u4fe1\u53f7\u7684\u77ac\u65f6\u503c\u3002\u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7ecf\u5e38\u9700\u8981\u5728\u8f6c\u6362\u901f\u5ea6\u548c\u8f6c\u6362\u7cbe\u5ea6\u4e4b\u95f4\u627e\u5230\u6700\u4f73\u7684\u5e73\u8861\u70b9\u3002<\/p>\n<p><strong>\u591a\u901a\u9053ADC\u7684\u7ba1\u7406\u7b56\u7565\u548c\u6280\u672f\u5b9e\u73b0<\/strong><\/p>\n<p>STM32\u901a\u5e38\u5177\u6709\u591a\u4e2aADC\u901a\u9053\uff0c\u53ef\u4ee5\u540c\u65f6\u91c7\u96c6\u591a\u8def\u6a21\u62df\u4fe1\u53f7\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6bcf\u4e2aADC\u8f6c\u6362\u5668\u5728\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u8f6c\u6362\u4e00\u4e2a\u901a\u9053\uff0c\u591a\u901a\u9053\u7684&#8221;\u540c\u65f6&#8221;\u91c7\u96c6\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u5feb\u901f\u8f6e\u8be2\u5404\u4e2a\u901a\u9053\u6765\u5b9e\u73b0\u7684\u3002\u5982\u679c\u771f\u7684\u9700\u8981\u4e25\u683c\u540c\u6b65\u7684\u591a\u901a\u9053\u91c7\u96c6\uff0c\u9700\u8981\u4f7f\u7528\u591a\u4e2aADC\u8f6c\u6362\u5668\u7684\u540c\u6b65\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u8f6e\u8be2\u6a21\u5f0f\u7684\u5b9e\u73b0\u548c\u4f18\u5316<\/strong>\uff1a\u6700\u7b80\u5355\u7684\u591a\u901a\u9053\u91c7\u96c6\u65b9\u5f0f\u662f\u8f6e\u8be2\u6a21\u5f0f\uff0c\u5373\u4f9d\u6b21\u542f\u52a8\u5404\u4e2a\u901a\u9053\u7684\u8f6c\u6362\uff0c\u7b49\u5f85\u8f6c\u6362\u5b8c\u6210\u540e\u8bfb\u53d6\u7ed3\u679c\uff0c\u7136\u540e\u8f6c\u6362\u4e0b\u4e00\u4e2a\u901a\u9053\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u4f18\u70b9\u662f\u7a0b\u5e8f\u7ed3\u6784\u7b80\u5355\uff0c\u5bb9\u6613\u7406\u89e3\u548c\u5b9e\u73b0\u3002\u4f46\u7f3a\u70b9\u662f\u8f6c\u6362\u6548\u7387\u4e0d\u9ad8\uff0c\u800c\u4e14\u5728\u7b49\u5f85\u8f6c\u6362\u5b8c\u6210\u671f\u95f4CPU\u65e0\u6cd5\u5904\u7406\u5176\u4ed6\u4efb\u52a1\u3002<\/p>\n<p><strong>DMA\u6a21\u5f0f\u7684\u6df1\u5ea6\u5e94\u7528<\/strong>\uff1a\u4e3a\u4e86\u63d0\u9ad8\u591a\u901a\u9053ADC\u7684\u6548\u7387\uff0c\u901a\u5e38\u4f7f\u7528DMA\uff08Direct Memory Access\uff0c\u76f4\u63a5\u5185\u5b58\u8bbf\u95ee\uff09\u6a21\u5f0f\u3002\u5728DMA\u6a21\u5f0f\u4e0b\uff0cADC\u8f6c\u6362\u5b8c\u6210\u540e\u81ea\u52a8\u901a\u8fc7DMA\u5c06\u6570\u636e\u4f20\u8f93\u5230\u5185\u5b58\u7f13\u51b2\u533a\uff0c\u4e0d\u9700\u8981CPU\u53c2\u4e0e\u6570\u636e\u642c\u79fb\u5de5\u4f5c\u3002CPU\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u5176\u4ed6\u4efb\u52a1\uff0c\u5f53\u6240\u6709\u901a\u9053\u8f6c\u6362\u5b8c\u6210\u540e\u518d\u7edf\u4e00\u5904\u7406\u91c7\u96c6\u5230\u7684\u6570\u636e\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u591a\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u9879\u76ee\u4e2d\u4f7f\u7528\u4e86DMA+ADC\u7684\u7ec4\u5408\u3002\u7cfb\u7edf\u9700\u8981\u540c\u65f6\u91c7\u96c68\u8def\u6e29\u5ea6\u4fe1\u53f7\u30014\u8def\u538b\u529b\u4fe1\u53f7\u548c2\u8def\u4f4d\u7f6e\u4fe1\u53f7\uff0c\u603b\u517114\u4e2a\u6a21\u62df\u901a\u9053\u3002\u4f7f\u7528DMA\u6a21\u5f0f\u540e\uff0c\u6574\u4e2a\u91c7\u96c6\u8fc7\u7a0b\u5b8c\u5168\u7531\u786c\u4ef6\u81ea\u52a8\u5b8c\u6210\uff0cCPU\u7684\u5229\u7528\u7387\u5927\u5927\u63d0\u9ad8\uff0c\u7cfb\u7edf\u80fd\u591f\u540c\u65f6\u5904\u7406\u66f4\u591a\u7684\u4efb\u52a1\u3002<\/p>\n<p><strong>\u4fe1\u53f7\u8c03\u7406\u7535\u8def\u7684\u8bbe\u8ba1\u8003\u8651\u548c\u5b9e\u73b0\u8981\u70b9<\/strong><\/p>\n<p>\u5f88\u591a\u521d\u5b66\u8005\u4ee5\u4e3aADC\u5e94\u7528\u5c31\u662f\u7b80\u5355\u5730\u8fde\u63a5\u4f20\u611f\u5668\u548c\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u5927\u90e8\u5206\u4f20\u611f\u5668\u7684\u8f93\u51fa\u4fe1\u53f7\u90fd\u4e0d\u80fd\u76f4\u63a5\u8fde\u63a5\u5230ADC\u8f93\u5165\u7aef\uff0c\u9700\u8981\u7ecf\u8fc7\u9002\u5f53\u7684\u4fe1\u53f7\u8c03\u7406\u624d\u80fd\u6b63\u786e\u91c7\u96c6\u3002<\/p>\n<p><strong>\u7535\u538b\u8303\u56f4\u5339\u914d\u7684\u91cd\u8981\u6027<\/strong>\uff1aSTM32\u7684ADC\u8f93\u5165\u7535\u538b\u8303\u56f4\u901a\u5e38\u662f0-3.3V\uff0c\u4f46\u5f88\u591a\u4f20\u611f\u5668\u7684\u8f93\u51fa\u7535\u538b\u8303\u56f4\u5e76\u4e0d\u5728\u8fd9\u4e2a\u533a\u95f4\u5185\u3002\u6bd4\u5982\uff0c\u67d0\u4e9b\u6e29\u5ea6\u4f20\u611f\u5668\u8f93\u51fa0-1V\uff0c\u67d0\u4e9b\u538b\u529b\u4f20\u611f\u5668\u8f93\u51fa1-5V\uff0c\u8fd8\u6709\u4e00\u4e9b\u4f20\u611f\u5668\u8f93\u51fa\u7684\u662f4-20mA\u7535\u6d41\u4fe1\u53f7\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u60c5\u51b5\uff0c\u90fd\u9700\u8981\u8bbe\u8ba1\u76f8\u5e94\u7684\u4fe1\u53f7\u8c03\u7406\u7535\u8def\u3002<\/p>\n<p><strong>\u7535\u538b\u5206\u538b\u7535\u8def\u7684\u8bbe\u8ba1<\/strong>\uff1a\u5bf9\u4e8e\u8f93\u51fa\u7535\u538b\u9ad8\u4e8e3.3V\u7684\u4f20\u611f\u5668\uff0c\u9700\u8981\u4f7f\u7528\u5206\u538b\u7535\u8def\u5c06\u7535\u538b\u964d\u4f4e\u5230ADC\u7684\u8f93\u5165\u8303\u56f4\u5185\u3002\u5206\u538b\u7535\u8def\u7684\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u7cbe\u5ea6\u3001\u7ebf\u6027\u5ea6\u3001\u6e29\u5ea6\u6f02\u79fb\u7b49\u56e0\u7d20\u3002\u6211\u901a\u5e38\u4f7f\u7528\u7cbe\u5bc6\u7535\u963b\u6765\u6784\u5efa\u5206\u538b\u7535\u8def\uff0c\u5e76\u5728PCB\u8bbe\u8ba1\u65f6\u6ce8\u610f\u7535\u963b\u7684\u5e03\u5c40\u548c\u6563\u70ed\u3002<\/p>\n<p><strong>\u4fe1\u53f7\u653e\u5927\u7535\u8def\u7684\u5e94\u7528<\/strong>\uff1a\u5bf9\u4e8e\u8f93\u51fa\u4fe1\u53f7\u5e45\u5ea6\u8f83\u5c0f\u7684\u4f20\u611f\u5668\uff0c\u9700\u8981\u4f7f\u7528\u653e\u5927\u7535\u8def\u5c06\u4fe1\u53f7\u653e\u5927\u5230\u5408\u9002\u7684\u8303\u56f4\u3002\u8fd0\u7b97\u653e\u5927\u5668\u662f\u6700\u5e38\u7528\u7684\u4fe1\u53f7\u653e\u5927\u5668\u4ef6\uff0c\u9009\u62e9\u8fd0\u653e\u65f6\u9700\u8981\u8003\u8651\u589e\u76ca\u7cbe\u5ea6\u3001\u5e26\u5bbd\u3001\u566a\u58f0\u3001\u529f\u8017\u7b49\u53c2\u6570\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5728\u4e00\u4e2a\u5fae\u5f31\u4fe1\u53f7\u68c0\u6d4b\u9879\u76ee\u4e2d\uff0c\u4f20\u611f\u5668\u7684\u8f93\u51fa\u4fe1\u53f7\u53ea\u6709\u51e0\u6beb\u4f0f\uff0c\u76f4\u63a5\u8fde\u63a5ADC\u65e0\u6cd5\u5f97\u5230\u6709\u6548\u7684\u6570\u636e\u3002\u901a\u8fc7\u8bbe\u8ba1\u4e00\u4e2a\u4f4e\u566a\u58f0\u3001\u9ad8\u589e\u76ca\u7684\u8fd0\u653e\u7535\u8def\uff0c\u5c06\u4fe1\u53f7\u653e\u5927100\u500d\u540e\u518d\u8f93\u5165ADC\uff0c\u7ec8\u4e8e\u83b7\u5f97\u4e86\u6ee1\u610f\u7684\u68c0\u6d4b\u6548\u679c\u3002<\/p>\n<p><strong>\u6ee4\u6ce2\u7535\u8def\u7684\u5fc5\u8981\u6027\u548c\u8bbe\u8ba1\u65b9\u6cd5<\/strong>\uff1a\u5b9e\u9645\u7684\u6a21\u62df\u4fe1\u53f7\u4e2d\u5f80\u5f80\u5305\u542b\u5404\u79cd\u566a\u58f0\u548c\u5e72\u6270\uff0c\u8fd9\u4e9b\u566a\u58f0\u4f1a\u5f71\u54cdADC\u7684\u8f6c\u6362\u7cbe\u5ea6\u3002\u6ee4\u6ce2\u7535\u8def\u7684\u4f5c\u7528\u5c31\u662f\u6ee4\u9664\u4e0d\u9700\u8981\u7684\u9ad8\u9891\u566a\u58f0\uff0c\u4fdd\u7559\u6709\u7528\u7684\u4fe1\u53f7\u6210\u5206\u3002<\/p>\n<p><strong>RC\u4f4e\u901a\u6ee4\u6ce2\u5668\u7684\u5e94\u7528<\/strong>\uff1a\u6700\u7b80\u5355\u7684\u6ee4\u6ce2\u7535\u8def\u662fRC\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u7531\u4e00\u4e2a\u7535\u963b\u548c\u4e00\u4e2a\u7535\u5bb9\u7ec4\u6210\u3002\u5b83\u53ef\u4ee5\u6709\u6548\u6291\u5236\u9ad8\u9891\u566a\u58f0\uff0c\u4f46\u5bf9\u4fe1\u53f7\u7684\u5e4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decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIr\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u6df1\u5165\u5b66\u4e60\u7684\u8fdb\u9636\u65b9\u5411\u2014\u2014\u4ece\u5355\u4e00\u529f\u80fd\u5230\u590d\u6742\u7cfb\u7edf\u96c6\u6210<\/strong><\/h2>\n<p>\u5b8c\u6210\u4e86GPIO\u3001\u4e32\u53e3\u3001\u5b9a\u65f6\u5668\u3001ADC\u7b49\u57fa\u7840\u5916\u8bbe\u7684\u5b66\u4e60\u540e\uff0c\u5c31\u53ef\u4ee5\u5f00\u59cb\u66f4\u9ad8\u7ea7\u7684\u4e3b\u9898\u4e86\u3002\u8fd9\u4e2a\u9636\u6bb5\u7684\u91cd\u70b9\u662f\u5b66\u4f1a\u5c06\u4e0d\u540c\u7684\u529f\u80fd\u6a21\u5757\u6709\u673a\u5730\u7ec4\u5408\u8d77\u6765\uff0c\u6784\u5efa\u5b8c\u6574\u7684\u3001\u5b9e\u7528\u7684\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3002\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u638c\u63e1\u4e00\u4e9b\u9ad8\u7ea7\u7684\u6280\u672f\u6982\u5ff5\u548c\u5f00\u53d1\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u9ad8\u901f\u901a\u4fe1\u63a5\u53e3\u7684\u5168\u9762\u638c\u63e1\u548c\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p>\u73b0\u4ee3\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f80\u5f80\u9700\u8981\u4e0e\u5404\u79cd\u5916\u90e8\u8bbe\u5907\u8fdb\u884c\u9ad8\u901f\u6570\u636e\u901a\u4fe1\uff0c\u9664\u4e86\u57fa\u672c\u7684\u4e32\u53e3UART\uff0cSTM32\u8fd8\u652f\u6301SPI\u3001I2C\u3001CAN\u3001USB\u7b49\u591a\u79cd\u901a\u4fe1\u63a5\u53e3\u3002\u6bcf\u79cd\u63a5\u53e3\u90fd\u6709\u5176\u72ec\u7279\u7684\u6280\u672f\u7279\u70b9\u548c\u5e94\u7528\u573a\u5408\uff0c\u638c\u63e1\u8fd9\u4e9b\u901a\u4fe1\u63a5\u53e3\u662f\u6784\u5efa\u590d\u6742\u7cfb\u7edf\u7684\u57fa\u7840\u3002<\/p>\n<p><strong>SPI\u901a\u4fe1\u7684\u6280\u672f\u7279\u70b9\u548c\u5b9e\u6218\u5e94\u7528<\/strong><\/p>\n<p>SPI\uff08Serial Peripheral Interface\uff0c\u4e32\u884c\u5916\u8bbe\u63a5\u53e3\uff09\u662f\u4e00\u79cd\u9ad8\u901f\u3001\u5168\u53cc\u5de5\u7684\u540c\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002SPI\u4f7f\u7528\u56db\u6839\u4fe1\u53f7\u7ebf\uff1a\u65f6\u949f\u7ebf\uff08SCK\uff09\u3001\u4e3b\u673a\u8f93\u51fa\u4ece\u673a\u8f93\u5165\u7ebf\uff08MOSI\uff09\u3001\u4e3b\u673a\u8f93\u5165\u4ece\u673a\u8f93\u51fa\u7ebf\uff08MISO\uff09\u3001\u7247\u9009\u7ebf\uff08CS\uff09\u3002SPI\u7684\u6700\u5927\u4f18\u70b9\u662f\u901a\u4fe1\u901f\u5ea6\u5feb\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5341MHz\u751a\u81f3\u66f4\u9ad8\u7684\u65f6\u949f\u9891\u7387\u3002<\/p>\n<p><strong>SPI\u65f6\u5e8f\u7684\u6df1\u5165\u7406\u89e3<\/strong>\uff1aSPI\u901a\u4fe1\u7684\u6210\u529f\u5173\u952e\u5728\u4e8e\u7406\u89e3\u5176\u65f6\u5e8f\u7279\u6027\u3002SPI\u6709\u56db\u79cd\u4e0d\u540c\u7684\u65f6\u5e8f\u6a21\u5f0f\uff0c\u7531\u65f6\u949f\u6781\u6027\uff08CPOL\uff09\u548c\u65f6\u949f\u76f8\u4f4d\uff08CPHA\uff09\u4e24\u4e2a\u53c2\u6570\u51b3\u5b9a\u3002\u4e0d\u540c\u7684SPI\u8bbe\u5907\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u65f6\u5e8f\u6a21\u5f0f\uff0c\u914d\u7f6e\u65f6\u5fc5\u987b\u4e0e\u8bbe\u5907\u8981\u6c42\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u9ad8\u901f\u6570\u636e\u91c7\u96c6\u9879\u76ee\u4e2d\u4f7f\u7528SPI\u63a5\u53e3\u8fde\u63a5\u4e86\u4e00\u4e2a16\u4f4d\u7684\u9ad8\u901fADC\u82af\u7247\u3002\u7531\u4e8e\u6570\u636e\u7387\u8981\u6c42\u5f88\u9ad8\uff08\u91c7\u6837\u7387\u8fbe\u52301MSPS\uff09\uff0c\u5fc5\u987b\u4f7f\u7528SPI\u7684\u9ad8\u901f\u6a21\u5f0f\u3002\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u6211\u53d1\u73b0\u65f6\u949f\u9891\u7387\u8d85\u8fc7\u4e00\u5b9a\u503c\u540e\u6570\u636e\u5c31\u4f1a\u51fa\u9519\uff0c\u540e\u6765\u901a\u8fc7\u793a\u6ce2\u5668\u5206\u6790\u53d1\u73b0\u662f\u4fe1\u53f7\u5b8c\u6574\u6027\u7684\u95ee\u9898\u3002\u901a\u8fc7\u4f18\u5316PCB\u5e03\u7ebf\u3001\u6dfb\u52a0\u7ec8\u7aef\u7535\u963b\u7b49\u63aa\u65bd\uff0c\u6700\u7ec8\u89e3\u51b3\u4e86\u9ad8\u901f\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u95ee\u9898\u3002<\/p>\n<p><strong>\u591a\u8bbe\u5907SPI\u603b\u7ebf\u7684\u7ba1\u7406<\/strong>\uff1a\u4e00\u4e2aSPI\u603b\u7ebf\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u7247\u9009\u4fe1\u53f7\u6765\u9009\u62e9\u5f53\u524d\u901a\u4fe1\u7684\u8bbe\u5907\u3002\u5728\u591a\u8bbe\u5907\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u5408\u7406\u8bbe\u8ba1\u7247\u9009\u4fe1\u53f7\u7684\u7ba1\u7406\u7b56\u7565\uff0c\u907f\u514d\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u88ab\u9009\u4e2d\u5bfc\u81f4\u603b\u7ebf\u51b2\u7a81\u3002<\/p>\n<p><strong>I2C\u901a\u4fe1\u7684\u6df1\u5ea6\u6280\u672f\u5256\u6790\u548c\u5b9e\u9645\u5e94\u7528<\/strong><\/p>\n<p>I2C\uff08Inter-Integrated Circuit\uff0c\u96c6\u6210\u7535\u8def\u95f4\u603b\u7ebf\uff09\u662f\u53e6\u4e00\u79cd\u91cd\u8981\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u6700\u5927\u7684\u7279\u70b9\u662f\u53ea\u9700\u8981\u4e24\u6839\u4fe1\u53f7\u7ebf\uff1a\u65f6\u949f\u7ebf\uff08SCL\uff09\u548c\u6570\u636e\u7ebf\uff08SDA\uff09\u3002I2C\u652f\u6301\u591a\u4e3b\u673a\u3001\u591a\u4ece\u673a\u7684\u603b\u7ebf\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u603b\u7ebf\u4e0a\u8fde\u63a5\u591a\u8fbe127\u4e2a\u8bbe\u5907\u3002<\/p>\n<p><strong>I2C\u534f\u8bae\u7684\u6df1\u5c42\u673a\u5236<\/strong>\uff1aI2C\u901a\u4fe1\u91c7\u7528\u5730\u5740\u5bfb\u5740\u7684\u65b9\u5f0f\uff0c\u6bcf\u4e2a\u4ece\u8bbe\u5907\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u76847\u4f4d\u5730\u5740\u3002\u4e3b\u673a\u901a\u8fc7\u53d1\u9001\u5730\u5740\u6765\u9009\u62e9\u8981\u901a\u4fe1\u7684\u4ece\u8bbe\u5907\u3002I2C\u534f\u8bae\u8fd8\u5b9a\u4e49\u4e86\u8d77\u59cb\u6761\u4ef6\u3001\u505c\u6b62\u6761\u4ef6\u3001\u5e94\u7b54\u673a\u5236\u7b49\uff0c\u4fdd\u8bc1\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p><strong>\u65f6\u949f\u62c9\u4f38\u548c\u4ef2\u88c1\u673a\u5236<\/strong>\uff1aI2C\u534f\u8bae\u652f\u6301\u65f6\u949f\u62c9\u4f38\uff08Clock Stretching\uff09\u673a\u5236\uff0c\u5f53\u4ece\u8bbe\u5907\u6765\u4e0d\u53ca\u5904\u7406\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u62c9\u4f4e\u65f6\u949f\u7ebf\u6765\u5ef6\u957f\u65f6\u949f\u5468\u671f\u3002\u5728\u591a\u4e3b\u673a\u7cfb\u7edf\u4e2d\uff0cI2C\u8fd8\u6709\u4ef2\u88c1\u673a\u5236\u6765\u89e3\u51b3\u603b\u7ebf\u51b2\u7a81\u95ee\u9898\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u4f20\u611f\u5668\u7f51\u7edc\u9879\u76ee\u4e2d\u4f7f\u7528I2C\u8fde\u63a5\u4e86\u5341\u591a\u4e2a\u4e0d\u540c\u7684\u4f20\u611f\u5668\uff1a\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u5149\u7167\u4f20\u611f\u5668\u3001\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u3001\u78c1\u529b\u8ba1\u7b49\u3002\u7531\u4e8eI2C\u7684\u5730\u5740\u5bfb\u5740\u673a\u5236\uff0c\u6240\u6709\u4f20\u611f\u5668\u90fd\u53ef\u4ee5\u5171\u4eab\u540c\u4e00\u4e2a\u603b\u7ebf\uff0c\u5927\u5927\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\u3002\u4f46\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u65f6\u9700\u8981\u6ce8\u610f\u5404\u4e2a\u4f20\u611f\u5668\u7684\u8bfb\u53d6\u65f6\u5e8f\uff0c\u907f\u514d\u9891\u7e41\u8bfb\u53d6\u67d0\u4e2a\u4f20\u611f\u5668\u800c\u5f71\u54cd\u5176\u4ed6\u4f20\u611f\u5668\u7684\u54cd\u5e94\u3002<\/p>\n<p><strong>I2C\u8c03\u8bd5\u7684\u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1aI2C\u901a\u4fe1\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\u5305\u62ec\u5730\u5740\u51b2\u7a81\u3001\u65f6\u5e8f\u4e0d\u5339\u914d\u3001\u4e0a\u62c9\u7535\u963b\u9009\u62e9\u4e0d\u5f53\u7b49\u3002\u6211\u603b\u7ed3\u4e86\u4e00\u5957I2C\u8c03\u8bd5\u65b9\u6cd5\uff1a\u9996\u5148\u7528\u793a\u6ce2\u5668\u68c0\u67e5\u4fe1\u53f7\u6ce2\u5f62\u662f\u5426\u6b63\u5e38\uff0c\u7136\u540e\u7528\u903b\u8f91\u5206\u6790\u4eea\u6293\u53d6\u901a\u4fe1\u6570\u636e\u5305\uff0c\u5206\u6790\u534f\u8bae\u662f\u5426\u6b63\u786e\u3002<\/p>\n<p><strong>CAN\u603b\u7ebf\u7684\u5de5\u4e1a\u7ea7\u5e94\u7528\u548c\u6df1\u5ea6\u6280\u672f<\/strong><\/p>\n<p>CAN\uff08Controller Area Network\uff0c\u63a7\u5236\u5668\u5c40\u57df\u7f51\uff09\u662f\u4e00\u79cd\u4e3a\u6c7d\u8f66\u548c\u5de5\u4e1a\u5e94\u7528\u8bbe\u8ba1\u7684\u5b9e\u65f6\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002CAN\u603b\u7ebf\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3001\u9519\u8bef\u68c0\u6d4b\u548c\u81ea\u52a8\u91cd\u4f20\u529f\u80fd\uff0c\u7279\u522b\u9002\u5408\u5728\u6076\u52a3\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<p><strong>CAN\u534f\u8bae\u7684\u9ad8\u7ea7\u7279\u6027<\/strong>\uff1aCAN\u534f\u8bae\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff1b\u91c7\u7528\u975e\u7834\u574f\u6027\u4ef2\u88c1\u673a\u5236\uff0c\u591a\u4e2a\u8282\u70b9\u53ef\u4ee5\u540c\u65f6\u53d1\u9001\u6570\u636e\uff1b\u5177\u6709\u5f3a\u5927\u7684\u9519\u8bef\u68c0\u6d4b\u548c\u5904\u7406\u80fd\u529b\uff0c\u5305\u62ecCRC\u6821\u9a8c\u3001\u5e27\u683c\u5f0f\u68c0\u67e5\u3001\u5e94\u7b54\u68c0\u67e5\u7b49\u3002<\/p>\n<p>\u6211\u5728\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u4e2d\u5927\u91cf\u4f7f\u7528\u4e86CAN\u603b\u7ebf\u3002\u6c7d\u8f66\u4e2d\u7684\u5404\u4e2a\u7535\u5b50\u63a7\u5236\u5355\u5143\uff08ECU\uff09\u90fd\u901a\u8fc7CAN\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\uff1a\u53d1\u52a8\u673a\u63a7\u5236\u5668\u3001\u53d8\u901f\u7bb1\u63a7\u5236\u5668\u3001ABS\u63a7\u5236\u5668\u3001\u8f66\u8eab\u63a7\u5236\u5668\u7b49\u3002CAN\u7f51\u7edc\u7684\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u62a5\u6587\u7684\u4f18\u5148\u7ea7\u5206\u914d\u3001\u7f51\u7edc\u8d1f\u8f7d\u5206\u6790\u3001\u9519\u8bef\u5904\u7406\u7b56\u7565\u7b49\u591a\u4e2a\u65b9\u9762\u3002<\/p>\n<p><strong>CAN\u7f51\u7edc\u7684\u8bbe\u8ba1\u548c\u4f18\u5316<\/strong>\uff1a\u8bbe\u8ba1CAN\u7f51\u7edc\u65f6\u9700\u8981\u8fdb\u884c\u8be6\u7ec6\u7684\u7f51\u7edc\u5206\u6790\uff0c\u5305\u62ec\u62a5\u6587\u5b9a\u4e49\u3001\u4f18\u5148\u7ea7\u5206\u914d\u3001\u603b\u7ebf\u8d1f\u8f7d\u8ba1\u7b97\u7b49\u3002\u6211\u4f7f\u7528\u4e13\u95e8\u7684CAN\u7f51\u7edc\u8bbe\u8ba1\u5de5\u5177\u6765\u8fdb\u884c\u8fd9\u4e9b\u5206\u6790\uff0c\u786e\u4fdd\u7f51\u7edc\u5728\u5404\u79cd\u5de5\u51b5\u4e0b\u90fd\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u5728\u4e00\u4e2a\u5546\u7528\u8f66\u9879\u76ee\u4e2d\uff0c\u6574\u4e2aCAN\u7f51\u7edc\u5305\u542b\u4e8620\u591a\u4e2a\u8282\u70b9\uff0c\u6bcf\u79d2\u4f20\u8f93\u4e0a\u5343\u6761\u62a5\u6587\u3002\u901a\u8fc7\u7cbe\u5fc3\u7684\u7f51\u7edc\u8bbe\u8ba1\u548c\u4f18\u5316\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e86\u7a33\u5b9a\u53ef\u9760\u7684\u5b9e\u65f6\u901a\u4fe1\uff0c\u6ee1\u8db3\u4e86\u6c7d\u8f66\u884c\u4e1a\u7684\u4e25\u683c\u8981\u6c42\u3002<\/p>\n<p><strong>\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u7684\u5f15\u5165\u548c\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p>\u5f53\u5d4c\u5165\u5f0f\u7cfb\u7edf\u53d8\u5f97\u590d\u6742\uff0c\u9700\u8981\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\u3001\u591a\u79cd\u4e2d\u65ad\u3001\u591a\u4e2a\u901a\u4fe1\u63a5\u53e3\u65f6\uff0c\u4f20\u7edf\u7684\u524d\u540e\u53f0\u7a0b\u5e8f\u7ed3\u6784\u5c31\u663e\u5f97\u529b\u4e0d\u4ece\u5fc3\u4e86\u3002\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u8003\u8651\u5f15\u5165\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff08RTOS\uff0cReal-Time Operating System\uff09\u6765\u7ba1\u7406\u7cfb\u7edf\u8d44\u6e90\uff0c\u534f\u8c03\u5404\u4e2a\u4efb\u52a1\u7684\u6267\u884c\u3002<\/p>\n<p><strong>RTOS\u6838\u5fc3\u6982\u5ff5\u7684\u6df1\u5ea6\u7406\u89e3<\/strong><\/p>\n<p><strong>\u4efb\u52a1\uff08Task\uff09\u7ba1\u7406\u7684\u6280\u672f\u8981\u70b9<\/strong>\uff1aRTOS\u4e2d\u7684\u4efb\u52a1\u662f\u7a0b\u5e8f\u6267\u884c\u7684\u57fa\u672c\u5355\u5143\uff0c\u6bcf\u4e2a\u4efb\u52a1\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u5806\u6808\u7a7a\u95f4\u3001\u4f18\u5148\u7ea7\u548c\u72b6\u6001\u3002\u4efb\u52a1\u53ef\u4ee5\u5904\u4e8e\u5c31\u7eea\u3001\u8fd0\u884c\u3001\u963b\u585e\u3001\u6302\u8d77\u7b49\u4e0d\u540c\u72b6\u6001\uff0c\u72b6\u6001\u4e4b\u95f4\u7684\u8f6c\u6362\u7531RTOS\u5185\u6838\u81ea\u52a8\u7ba1\u7406\u3002<\/p>\n<p>\u4efb\u52a1\u7684\u8bbe\u8ba1\u662fRTOS\u5e94\u7528\u7684\u5173\u952e\u3002\u6bcf\u4e2a\u4efb\u52a1\u5e94\u8be5\u6709\u660e\u786e\u7684\u529f\u80fd\u5b9a\u4f4d\uff0c\u4efb\u52a1\u4e4b\u95f4\u7684\u8026\u5408\u8981\u5c3d\u53ef\u80fd\u677e\u6563\u3002\u6211\u901a\u5e38\u4f1a\u5c06\u7cfb\u7edf\u529f\u80fd\u5206\u89e3\u4e3a\u591a\u4e2a\u76f8\u5bf9\u72ec\u7acb\u7684\u4efb\u52a1\uff1a\u6570\u636e\u91c7\u96c6\u4efb\u52a1\u3001\u6570\u636e\u5904\u7406\u4efb\u52a1\u3001\u901a\u4fe1\u4efb\u52a1\u3001\u663e\u793a\u4efb\u52a1\u3001\u952e\u76d8\u626b\u63cf\u4efb\u52a1\u7b49\u3002<\/p>\n<p><strong>\u8c03\u5ea6\u7b97\u6cd5\u7684\u9009\u62e9\u548c\u4f18\u5316<\/strong>\uff1aRTOS\u7684\u8c03\u5ea6\u5668\u8d1f\u8d23\u51b3\u5b9a\u5728\u4ec0\u4e48\u65f6\u5019\u8fd0\u884c\u54ea\u4e2a\u4efb\u52a1\u3002FreeRTOS\u4f7f\u7528\u62a2\u5360\u5f0f\u4f18\u5148\u7ea7\u8c03\u5ea6\u7b97\u6cd5\uff0c\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u53ef\u4ee5\u6253\u65ad\u4f4e\u4f18\u5148\u7ea7\u4efb\u52a1\u7684\u6267\u884c\u3002\u540c\u7b49\u4f18\u5148\u7ea7\u7684\u4efb\u52a1\u91c7\u7528\u65f6\u95f4\u7247\u8f6e\u8f6c\u7684\u65b9\u5f0f\u6267\u884c\u3002<\/p>\n<p>\u8c03\u5ea6\u7b97\u6cd5\u7684\u9009\u62e9\u548c\u53c2\u6570\u914d\u7f6e\u5bf9\u7cfb\u7edf\u6027\u80fd\u6709\u91cd\u8981\u5f71\u54cd\u3002\u6211\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7ecf\u5e38\u9700\u8981\u5206\u6790\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\u3001\u54cd\u5e94\u65f6\u95f4\u3001CPU\u5229\u7528\u7387\u7b49\u6307\u6807\uff0c\u901a\u8fc7\u8c03\u6574\u4efb\u52a1\u4f18\u5148\u7ea7\u548c\u65f6\u95f4\u7247\u5927\u5c0f\u6765\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<p><strong>\u4efb\u52a1\u95f4\u901a\u4fe1\u548c\u540c\u6b65\u673a\u5236\u7684\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p>\u5728\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\uff0c\u4efb\u52a1\u4e4b\u95f4\u7ecf\u5e38\u9700\u8981\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u534f\u4f5c\uff0cRTOS\u63d0\u4f9b\u4e86\u591a\u79cd\u901a\u4fe1\u548c\u540c\u6b65\u673a\u5236\u6765\u652f\u6301\u8fd9\u4e9b\u9700\u6c42\u3002<\/p>\n<p><strong>\u4fe1\u53f7\u91cf\uff08Semaphore\uff09\u7684\u5e94\u7528\u6280\u5de7<\/strong>\uff1a\u4fe1\u53f7\u91cf\u662f\u6700\u57fa\u672c\u7684\u540c\u6b65\u539f\u8bed\uff0c\u7528\u4e8e\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u4e8c\u503c\u4fe1\u53f7\u91cf\u5e38\u7528\u4e8e\u4e92\u65a5\u4fdd\u62a4\uff0c\u8ba1\u6570\u4fe1\u53f7\u91cf\u5e38\u7528\u4e8e\u8d44\u6e90\u8ba1\u6570\u3002\u6211\u5728\u8bbe\u8ba1\u591a\u4efb\u52a1\u7cfb\u7edf\u65f6\u7ecf\u5e38\u4f7f\u7528\u4fe1\u53f7\u91cf\u6765\u4fdd\u62a4\u5168\u5c40\u53d8\u91cf\u3001\u786c\u4ef6\u8d44\u6e90\u7b49\u5171\u4eab\u5bf9\u8c61\u3002<\/p>\n<p><strong>\u6d88\u606f\u961f\u5217\uff08Queue\uff09\u7684\u9ad8\u7ea7\u5e94\u7528<\/strong>\uff1a\u6d88\u606f\u961f\u5217\u7528\u4e8e\u4efb\u52a1\u95f4\u7684\u6570\u636e\u4f20\u9012\uff0c\u53d1\u9001\u4efb\u52a1\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u63a5\u6536\u4efb\u52a1\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u3002\u961f\u5217\u53ef\u4ee5\u7f13\u5b58\u591a\u4e2a\u6570\u636e\u9879\uff0c\u5177\u6709\u5148\u8fdb\u5148\u51fa\u7684\u7279\u6027\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u4e2d\u4f7f\u7528\u6d88\u606f\u961f\u5217\u6765\u4f20\u9012\u91c7\u96c6\u5230\u7684\u4f20\u611f\u5668\u6570\u636e\u3002\u91c7\u96c6\u4efb\u52a1\u5c06\u6570\u636e\u653e\u5165\u961f\u5217\uff0c\u5904\u7406\u4efb\u52a1\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6570\u636e\u8fdb\u884c\u5206\u6790\u548c\u5b58\u50a8\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u961f\u5217\u7684\u5927\u5c0f\uff0c\u7cfb\u7edf\u53ef\u4ee5\u5e73\u6ed1\u5730\u5904\u7406\u7a81\u53d1\u7684\u6570\u636e\u6d41\u91cf\u3002<\/p>\n<p><strong>\u4e8b\u4ef6\u7ec4\uff08Event 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decoding=\"async\" width=\"267\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkFAR\" alt=\"\" title=\"\" 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\u5e38\u89c1\u65f6\u949f\u914d\u7f6e\u9519\u8bef\u7684\u6df1\u5ea6\u5206\u6790<\/strong><\/p>\n<p><strong>\u5916\u90e8\u6676\u632f\u914d\u7f6e\u9519\u8bef\u7684\u95ee\u9898<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u9519\u8bef\u4e4b\u4e00\u3002\u5f88\u591a\u5f00\u53d1\u677f\u4f7f\u75288MHz\u7684\u5916\u90e8\u6676\u632f\uff0c\u4f46\u521d\u5b66\u8005\u5728\u4f7f\u7528\u522b\u4eba\u7684\u4ee3\u7801\u65f6\uff0c\u6ca1\u6709\u68c0\u67e5\u4ee3\u7801\u4e2d\u7684\u6676\u632f\u9891\u7387\u5b9a\u4e49\uff0c\u5bfc\u81f4\u7cfb\u7edf\u65f6\u949f\u8ba1\u7b97\u9519\u8bef\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u5b66\u4e60\u65f6\u5c31\u9047\u5230\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u5f53\u65f6\u4f7f\u7528\u7684\u5f00\u53d1\u677f\u662f8MHz\u6676\u632f\uff0c\u4f46\u53c2\u8003\u7684\u4f8b\u7a0b\u662f\u6309\u716725MHz\u6676\u632f\u914d\u7f6e\u7684\u3002\u7ed3\u679c\u7cfb\u7edf\u8fd0\u884c\u5f02\u5e38\uff0c\u4e32\u53e3\u6ce2\u7279\u7387\u4e0d\u5bf9\uff0c\u5b9a\u65f6\u5668\u5b9a\u65f6\u4e0d\u51c6\u3002\u82b1\u4e86\u6574\u6574\u4e00\u5929\u65f6\u95f4\u624d\u627e\u5230\u95ee\u9898\u6240\u5728\u3002\u4ece\u90a3\u4ee5\u540e\uff0c\u6211\u517b\u6210\u4e86\u4e60\u60ef\uff1a\u6bcf\u6b21\u4f7f\u7528\u65b0\u7684\u4ee3\u7801\u65f6\uff0c\u7b2c\u4e00\u4ef6\u4e8b\u5c31\u662f\u68c0\u67e5\u65f6\u949f\u914d\u7f6e\u662f\u5426\u4e0e\u786c\u4ef6\u5339\u914d\u3002<\/p>\n<p><strong>PLL\u914d\u7f6e\u53c2\u6570\u9519\u8bef\u7684\u6df1\u5c42\u539f\u56e0<\/strong>\uff1aPLL\uff08\u9501\u76f8\u73af\uff09\u662fSTM32\u65f6\u949f\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u901a\u8fc7PLL\u53ef\u4ee5\u5c06\u4f4e\u9891\u7684\u5916\u90e8\u6676\u632f\u500d\u9891\u5230\u66f4\u9ad8\u7684\u7cfb\u7edf\u65f6\u949f\u9891\u7387\u3002\u4f46PLL\u7684\u914d\u7f6e\u53c2\u6570\u8ba1\u7b97\u6bd4\u8f83\u590d\u6742\uff0c\u6d89\u53ca\u5230\u591a\u4e2a\u5206\u9891\u5668\u548c\u500d\u9891\u5668\u3002<\/p>\n<p>PLL\u7684\u914d\u7f6e\u516c\u5f0f\u662f\uff1aPLL\u8f93\u51fa\u9891\u7387 = \u8f93\u5165\u9891\u7387 \u00d7 \u500d\u9891\u7cfb\u6570 \/ \u9884\u5206\u9891\u7cfb\u6570\u3002\u4f46\u5b9e\u9645\u914d\u7f6e\u65f6\u8fd8\u8981\u8003\u8651PLL\u7684\u8f93\u5165\u9891\u7387\u8303\u56f4\uff08\u901a\u5e38\u8981\u6c42\u57281-25MHz\u4e4b\u95f4\uff09\u548c\u8f93\u51fa\u9891\u7387\u8303\u56f4\uff08\u4e0d\u80fd\u8d85\u8fc7\u82af\u7247\u7684\u6700\u5927\u5de5\u4f5c\u9891\u7387\uff09\u3002\u6211\u89c1\u8fc7\u5f88\u591a\u521d\u5b66\u8005\u56e0\u4e3aPLL\u914d\u7f6e\u9519\u8bef\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u6216\u5de5\u4f5c\u4e0d\u7a33\u5b9a\u3002<\/p>\n<p><strong>\u5916\u8bbe\u65f6\u949f\u4f7f\u80fd\u9057\u6f0f\u7684\u95ee\u9898<\/strong>\uff1a\u8fd9\u53ef\u80fd\u662f\u6700\u5e38\u89c1\u4e5f\u662f\u6700\u5bb9\u6613\u5ffd\u7565\u7684\u9519\u8bef\u3002STM32\u4e3a\u4e86\u964d\u4f4e\u529f\u8017\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6240\u6709\u5916\u8bbe\u7684\u65f6\u949f\u90fd\u662f\u5173\u95ed\u7684\uff0c\u4f7f\u7528\u4efb\u4f55\u5916\u8bbe\u4e4b\u524d\u90fd\u5fc5\u987b\u5148\u4f7f\u80fd\u5bf9\u5e94\u7684\u65f6\u949f\u3002<\/p>\n<p>\u8fd9\u4e2a\u9519\u8bef\u7684\u5178\u578b\u75c7\u72b6\u662f\uff1a\u5916\u8bbe\u914d\u7f6e\u4ee3\u7801\u770b\u8d77\u6765\u90fd\u6b63\u786e\uff0c\u4f46\u5c31\u662f\u4e0d\u5de5\u4f5c\u3002\u6211\u89c1\u8fc7\u65e0\u6570\u521d\u5b66\u8005\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u6d6a\u8d39\u5927\u91cf\u65f6\u95f4\uff0c\u660e\u660e\u6309\u7167\u6559\u7a0b\u4e00\u6b65\u6b65\u914d\u7f6e\uff0c\u4f46\u7a0b\u5e8f\u5c31\u662f\u4e0d\u6b63\u5e38\u3002\u5176\u5b9e\u53ea\u8981\u52a0\u4e0a\u4e00\u884c\u65f6\u949f\u4f7f\u80fd\u7684\u4ee3\u7801\u5c31\u80fd\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u9519\u8bef\uff0c\u6211\u5efa\u8bae\u5f62\u6210\u4e00\u4e2a\u4e60\u60ef\uff1a\u5728\u914d\u7f6e\u4efb\u4f55\u5916\u8bbe\u4e4b\u524d\uff0c\u7b2c\u4e00\u6b65\u603b\u662f\u4f7f\u80fd\u65f6\u949f\u3002\u53ef\u4ee5\u628a\u8fd9\u4e2a\u6b65\u9aa4\u5199\u6210\u4e00\u4e2a\u68c0\u67e5\u6e05\u5355\uff0c\u6bcf\u6b21\u914d\u7f6e\u5916\u8bbe\u65f6\u90fd\u6309\u7167\u6e05\u5355\u68c0\u67e5\u3002<\/p>\n<p><strong>\u65f6\u949f\u95ee\u9898\u7684\u7cfb\u7edf\u5316\u6392\u67e5\u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u4f7f\u7528\u793a\u6ce2\u5668\u68c0\u67e5\u65f6\u949f\u4fe1\u53f7<\/strong>\uff1a\u5f53\u6000\u7591\u65f6\u949f\u914d\u7f6e\u6709\u95ee\u9898\u65f6\uff0c\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u7528\u793a\u6ce2\u5668\u6d4b\u91cf\u5b9e\u9645\u7684\u65f6\u949f\u9891\u7387\u3002STM32\u63d0\u4f9b\u4e86MCO\uff08Master Clock Output\uff09\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u5185\u90e8\u65f6\u949f\u4fe1\u53f7\u8f93\u51fa\u5230\u5916\u90e8\u5f15\u811a\uff0c\u901a\u8fc7\u793a\u6ce2\u5668\u53ef\u4ee5\u76f4\u63a5\u6d4b\u91cf\u65f6\u949f\u9891\u7387\u3002<\/p>\n<p><strong>\u68c0\u67e5\u65f6\u949f\u914d\u7f6e\u5bc4\u5b58\u5668\u7684\u72b6\u6001<\/strong>\uff1a\u901a\u8fc7\u5728\u7ebf\u8c03\u8bd5\u5668\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770bRCC\uff08\u590d\u4f4d\u548c\u65f6\u949f\u63a7\u5236\uff09\u76f8\u5173\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u786e\u8ba4\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002\u91cd\u70b9\u5173\u6ce8\u7684\u5bc4\u5b58\u5668\u5305\u62ecRCC_CR\uff08\u65f6\u949f\u63a7\u5236\u5bc4\u5b58\u5668\uff09\u3001RCC_CFGR\uff08\u65f6\u949f\u914d\u7f6e\u5bc4\u5b58\u5668\uff09\u3001RCC_APB1ENR\u548cRCC_APB2ENR\uff08\u5916\u8bbe\u65f6\u949f\u4f7f\u80fd\u5bc4\u5b58\u5668\uff09\u7b49\u3002<\/p>\n<p><strong>\u4f7f\u7528\u5b98\u65b9\u65f6\u949f\u914d\u7f6e\u5de5\u5177<\/strong>\uff1aST\u63d0\u4f9b\u7684STM32CubeMX\u5de5\u5177\u5305\u542b\u4e86\u56fe\u5f62\u5316\u7684\u65f6\u949f\u914d\u7f6e\u754c\u9762\uff0c\u53ef\u4ee5\u76f4\u89c2\u5730\u914d\u7f6e\u65f6\u949f\u7cfb\u7edf\uff0c\u81ea\u52a8\u8ba1\u7b97\u5404\u79cd\u9891\u7387\uff0c\u907f\u514d\u624b\u52a8\u8ba1\u7b97\u9519\u8bef\u3002\u5373\u4f7f\u4e0d\u4f7f\u7528CubeMX\u751f\u6210\u4ee3\u7801\uff0c\u4e5f\u53ef\u4ee5\u7528\u5b83\u6765\u9a8c\u8bc1\u65f6\u949f\u914d\u7f6e\u7684\u6b63\u786e\u6027\u3002<\/p>\n<p><strong>\u5efa\u7acb\u65f6\u949f\u914d\u7f6e\u7684\u6807\u51c6\u6a21\u677f<\/strong>\uff1a\u4e3a\u4e86\u907f\u514d\u91cd\u590d\u72af\u9519\uff0c\u6211\u5efa\u8bae\u4e3a\u5e38\u7528\u7684\u786c\u4ef6\u5e73\u53f0\u5efa\u7acb\u6807\u51c6\u7684\u65f6\u949f\u914d\u7f6e\u6a21\u677f\u3002\u6bcf\u6b21\u5f00\u59cb\u65b0\u9879\u76ee\u65f6\uff0c\u76f4\u63a5\u4f7f\u7528\u9a8c\u8bc1\u8fc7\u7684\u65f6\u949f\u914d\u7f6e\uff0c\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u51fa\u9519\u7684\u6982\u7387\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u7cfb\u7edf\u914d\u7f6e\u7684\u6280\u672f\u96be\u70b9\u548c\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>STM32\u7684\u4e2d\u65ad\u7cfb\u7edf\u76f8\u5bf9\u590d\u6742\uff0c\u7279\u522b\u662fNVIC\uff08\u5d4c\u5957\u5411\u91cf\u4e2d\u65ad\u63a7\u5236\u5668\uff09\u7684\u914d\u7f6e\uff0c\u7ecf\u5e38\u8ba9\u521d\u5b66\u8005\u611f\u5230\u56f0\u60d1\u3002\u4e2d\u65ad\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5f02\u5e38\u3001\u54cd\u5e94\u5ef6\u8fdf\u3001\u751a\u81f3\u6b7b\u673a\u7b49\u4e25\u91cd\u95ee\u9898\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u4f18\u5148\u7ea7\u914d\u7f6e\u7684\u6df1\u5ea6\u7406\u89e3<\/strong><\/p>\n<p><strong>\u4f18\u5148\u7ea7\u5206\u7ec4\u7684\u6280\u672f\u673a\u5236<\/strong><strong>\u4f18\u5148\u7ea7\u5206\u7ec4\u7684\u6280\u672f\u673a\u5236<\/strong>\uff1aSTM32\u4f7f\u75284\u4f4d\u6765\u8868\u793a\u4e2d\u65ad\u4f18\u5148\u7ea7\uff0c\u4f46\u8fd94\u4f4d\u53ef\u4ee5\u5206\u6210\u4e24\u90e8\u5206\uff1a\u62a2\u5360\u4f18\u5148\u7ea7\uff08Preemption Priority\uff09\u548c\u54cd\u5e94\u4f18\u5148\u7ea7\uff08Sub Priority\uff09\u3002\u901a\u8fc7NVIC_PriorityGroupConfig\u51fd\u6570\u53ef\u4ee5\u914d\u7f6e\u8fd9\u4e24\u90e8\u5206\u7684\u4f4d\u6570\u5206\u914d\uff0c\u603b\u5171\u67095\u79cd\u5206\u7ec4\u65b9\u5f0f\u3002<\/p>\n<p>\u62a2\u5360\u4f18\u5148\u7ea7\u51b3\u5b9a\u4e86\u4e2d\u65ad\u5d4c\u5957\u7684\u80fd\u529b\uff0c\u53ea\u6709\u62a2\u5360\u4f18\u5148\u7ea7\u66f4\u9ad8\u7684\u4e2d\u65ad\u624d\u80fd\u6253\u65ad\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u3002\u54cd\u5e94\u4f18\u5148\u7ea7\u5728\u62a2\u5360\u4f18\u5148\u7ea7\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\u8d77\u4f5c\u7528\uff0c\u51b3\u5b9a\u4e86\u540c\u65f6\u53d1\u751f\u7684\u591a\u4e2a\u4e2d\u65ad\u7684\u5904\u7406\u987a\u5e8f\u3002<\/p>\n<p>\u6211\u521a\u5f00\u59cb\u5b66\u4e60\u65f6\u5bf9\u8fd9\u4e2a\u6982\u5ff5\u975e\u5e38\u56f0\u60d1\uff0c\u603b\u662f\u641e\u4e0d\u6e05\u695a\u4ec0\u4e48\u65f6\u5019\u7528\u62a2\u5360\u4f18\u5148\u7ea7\uff0c\u4ec0\u4e48\u65f6\u5019\u7528\u54cd\u5e94\u4f18\u5148\u7ea7\u3002\u540e\u6765\u901a\u8fc7\u5b9e\u9645\u9879\u76ee\u7684\u953b\u70bc\uff0c\u6211\u603b\u7ed3\u51fa\u4e86\u4e00\u5957\u4f18\u5148\u7ea7\u8bbe\u7f6e\u7684\u539f\u5219\uff1a<\/p>\n<p><strong>\u7cfb\u7edf\u7ea7\u4e2d\u65ad\u7684\u6700\u9ad8\u4f18\u5148\u7ea7\u539f\u5219<\/strong>\uff1a\u50cfHardFault\u3001MemManage\u3001SysTick\u7b49\u7cfb\u7edf\u7ea7\u4e2d\u65ad\u5e94\u8be5\u8bbe\u7f6e\u6700\u9ad8\u7684\u62a2\u5360\u4f18\u5148\u7ea7\uff0c\u786e\u4fdd\u7cfb\u7edf\u7684\u57fa\u672c\u529f\u80fd\u4e0d\u88ab\u6253\u65ad\u3002<\/p>\n<p><strong>\u5b9e\u65f6\u6027\u8981\u6c42\u7684\u5206\u7ea7\u8bbe\u7f6e<\/strong>\uff1a\u6839\u636e\u4e2d\u65ad\u5904\u7406\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u8bbe\u7f6e\u4e0d\u540c\u7684\u62a2\u5360\u4f18\u5148\u7ea7\u3002\u6bd4\u5982\uff0c\u5b89\u5168\u76f8\u5173\u7684\u7d27\u6025\u505c\u8f66\u4e2d\u65ad\u8981\u8bbe\u7f6e\u6700\u9ad8\u4f18\u5148\u7ea7\uff1b\u5b9e\u65f6\u63a7\u5236\u76f8\u5173\u7684\u5b9a\u65f6\u5668\u4e2d\u65ad\u8981\u8bbe\u7f6e\u8f83\u9ad8\u4f18\u5148\u7ea7\uff1b\u4e00\u822c\u7684\u901a\u4fe1\u4e2d\u65ad\u53ef\u4ee5\u8bbe\u7f6e\u4e2d\u7b49\u4f18\u5148\u7ea7\uff1b\u7528\u6237\u754c\u9762\u76f8\u5173\u7684\u6309\u952e\u4e2d\u65ad\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u4f4e\u4f18\u5148\u7ea7\u3002<\/p>\n<p><strong>\u5904\u7406\u65f6\u95f4\u7684\u8003\u8651\u56e0\u7d20<\/strong>\uff1a\u5904\u7406\u65f6\u95f4\u957f\u7684\u4e2d\u65ad\u5e94\u8be5\u8bbe\u7f6e\u8f83\u4f4e\u7684\u62a2\u5360\u4f18\u5148\u7ea7\uff0c\u907f\u514d\u957f\u65f6\u95f4\u5c4f\u853d\u5176\u4ed6\u4e2d\u65ad\u3002\u5982\u679c\u67d0\u4e2a\u4e2d\u65ad\u7684\u5904\u7406\u65f6\u95f4\u786e\u5b9e\u5f88\u957f\uff0c\u5e94\u8be5\u8003\u8651\u5c06\u590d\u6742\u7684\u5904\u7406\u903b\u8f91\u79fb\u5230\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u53ea\u505a\u5fc5\u8981\u7684\u6570\u636e\u7f13\u5b58\u548c\u6807\u5fd7\u8bbe\u7f6e\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p><strong>\u5feb\u8fdb\u5feb\u51fa\u7684\u8bbe\u8ba1\u539f\u5219<\/strong>\uff1a\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u5e94\u8be5\u5c3d\u53ef\u80fd\u77ed\u5c0f\u7cbe\u608d\uff0c\u53ea\u505a\u6700\u5fc5\u8981\u7684\u5904\u7406\uff0c\u590d\u6742\u7684\u903b\u8f91\u5e94\u8be5\u653e\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u5b8c\u6210\u3002\u6211\u7684\u7ecf\u9a8c\u662f\uff0c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u7684\u6267\u884c\u65f6\u95f4\u5e94\u8be5\u63a7\u5236\u5728\u51e0\u5341\u5fae\u79d2\u4ee5\u5185\uff0c\u6700\u957f\u4e0d\u8981\u8d85\u8fc7\u51e0\u767e\u5fae\u79d2\u3002<\/p>\n<p><strong>\u6570\u636e\u5171\u4eab\u7684\u5b89\u5168\u673a\u5236<\/strong>\uff1a\u5f53\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u548c\u4e3b\u7a0b\u5e8f\u9700\u8981\u5171\u4eab\u6570\u636e\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u6570\u636e\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u6807\u5fd7\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528volatile\u5173\u952e\u5b57\uff1b\u5bf9\u4e8e\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u9700\u8981\u4f7f\u7528\u4e34\u754c\u533a\u4fdd\u62a4\u6216\u8005\u5176\u4ed6\u540c\u6b65\u673a\u5236\u3002<\/p>\n<p>\u6211\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\u9047\u5230\u8fc7\u6570\u636e\u7ade\u4e89\u7684\u95ee\u9898\uff1a\u4e3b\u7a0b\u5e8f\u6b63\u5728\u5904\u7406\u4e00\u4e2a\u591a\u5b57\u8282\u6570\u636e\uff0c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u540c\u65f6\u4fee\u6539\u4e86\u8fd9\u4e2a\u6570\u636e\uff0c\u5bfc\u81f4\u4e3b\u7a0b\u5e8f\u5f97\u5230\u4e86\u9519\u8bef\u7684\u6570\u636e\u3002\u540e\u6765\u6211\u4f7f\u7528\u4e86\u539f\u5b50\u64cd\u4f5c\u548c\u4e34\u754c\u533a\u4fdd\u62a4\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p><strong>\u4e2d\u65ad\u5d4c\u5957\u7684\u6df1\u5ea6\u63a7\u5236<\/strong>\uff1a\u867d\u7136STM32\u652f\u6301\u4e2d\u65ad\u5d4c\u5957\uff0c\u4f46\u8fc7\u6df1\u7684\u5d4c\u5957\u4f1a\u5bfc\u81f4\u5806\u6808\u6ea2\u51fa\u548c\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u3002\u6211\u5efa\u8bae\u5c06\u4e2d\u65ad\u5d4c\u5957\u6df1\u5ea6\u63a7\u5236\u57283\u5c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u5b58\u5206\u914d\u7684\u8c28\u614e\u4f7f\u7528<\/strong><\/p>\n<p>\u5728PC\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u52a8\u6001\u5185\u5b58\u5206\u914d\uff08malloc\/free\uff09\u662f\u5f88\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u4f46\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u9700\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n<p><strong>\u5185\u5b58\u788e\u7247\u7684\u95ee\u9898\u548c\u89e3\u51b3<\/strong>\uff1a\u9891\u7e41\u7684malloc\/free\u64cd\u4f5c\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u788e\u7247\uff0c\u4f7f\u5f97\u5373\u4f7f\u603b\u7684\u53ef\u7528\u5185\u5b58\u8db3\u591f\uff0c\u4e5f\u65e0\u6cd5\u5206\u914d\u5927\u5757\u7684\u8fde\u7eed\u5185\u5b58\u3002\u5728\u5b9e\u65f6\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u79cd\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5f02\u5e38\u3002<\/p>\n<p>\u6211\u7684\u89e3\u51b3\u65b9\u6848\u662f\uff1a\u5c3d\u91cf\u907f\u514d\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u52a8\u6001\u5185\u5b58\u5206\u914d\uff0c\u6240\u6709\u9700\u8981\u7684\u5185\u5b58\u5728\u7cfb\u7edf\u521d\u59cb\u5316\u65f6\u4e00\u6b21\u6027\u5206\u914d\uff1b\u5982\u679c\u786e\u5b9e\u9700\u8981\u52a8\u6001\u5206\u914d\uff0c\u4f7f\u7528\u5185\u5b58\u6c60\uff08Memory Pool\uff09\u7684\u65b9\u5f0f\uff0c\u9884\u5148\u5206\u914d\u56fa\u5b9a\u5927\u5c0f\u7684\u5185\u5b58\u5757\u3002<\/p>\n<p><strong>\u5185\u5b58\u6cc4\u6f0f\u7684\u9884\u9632<\/strong>\uff1a\u5185\u5b58\u6cc4\u6f0f\u662f\u52a8\u6001\u5185\u5b58\u5206\u914d\u4e2d\u6700\u5e38\u89c1\u7684\u95ee\u9898\u3002\u6bcf\u6b21malloc\u90fd\u5fc5\u987b\u6709\u5bf9\u5e94\u7684free\uff0c\u800c\u4e14\u8981\u786e\u4fdd\u5728\u6240\u6709\u53ef\u80fd\u7684\u6267\u884c\u8def\u5f84\u4e0a\u90fd\u80fd\u6b63\u786e\u91ca\u653e\u5185\u5b58\u3002\u6211\u901a\u5e38\u4f7f\u7528\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177\u6765\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002<\/p>\n<p><strong>\u8c03\u8bd5\u6280\u5de7\u7684\u7cfb\u7edf\u6027\u603b\u7ed3\u548c\u9ad8\u7ea7\u5e94\u7528<\/strong><\/p>\n<p>\u6709\u6548\u7684\u8c03\u8bd5\u6280\u5de7\u662f\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u3001\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u7684\u5173\u952e\u3002\u7ecf\u8fc7\u8fd9\u4e48\u591a\u5e74\u7684\u5b9e\u8df5\uff0c\u6211\u603b\u7ed3\u4e86\u4e00\u5957\u7cfb\u7edf\u6027\u7684\u8c03\u8bd5\u65b9\u6cd5\u548c\u6280\u5de7\u3002<\/p>\n<p><strong>\u5206\u5c42\u8c03\u8bd5\u65b9\u6cd5\u7684\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p>\u5f53\u9047\u5230\u590d\u6742\u95ee\u9898\u65f6\uff0c\u8981\u5b66\u4f1a\u5206\u5c42\u8c03\u8bd5\uff0c\u4ece\u5e95\u5c42\u786c\u4ef6\u5f00\u59cb\uff0c\u9010\u5c42\u5411\u4e0a\u68c0\u67e5\uff0c\u76f4\u5230\u627e\u5230\u95ee\u9898\u6240\u5728\u3002\u8fd9\u79cd\u7cfb\u7edf\u6027\u7684\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u76f2\u76ee\u731c\u6d4b\uff0c\u63d0\u9ad8\u95ee\u9898\u5b9a\u4f4d\u7684\u6548\u7387\u3002<\/p>\n<p><strong>\u786c\u4ef6\u5c42\u9762\u7684\u68c0\u67e5\u65b9\u6cd5<\/strong>\uff1a\u9996\u5148\u68c0\u67e5\u786c\u4ef6\u8fde\u63a5\u662f\u5426\u6b63\u786e\uff0c\u5305\u62ec\u7535\u6e90\u3001\u5730\u7ebf\u3001\u4fe1\u53f7\u7ebf\u7684\u8fde\u63a5\u3002\u4f7f\u7528\u4e07\u7528\u8868\u68c0\u67e5\u5404\u4e2a\u8282\u70b9\u7684\u7535\u538b\u662f\u5426\u6b63\u5e38\uff0c\u4f7f\u7528\u793a\u6ce2\u5668\u68c0\u67e5\u4fe1\u53f7\u7684\u6ce2\u5f62\u548c\u65f6\u5e8f\u3002\u6211\u7684\u7ecf\u9a8c\u662f\uff0c\u5f88\u591a\u770b\u8d77\u6765\u50cf\u8f6f\u4ef6\u95ee\u9898\u7684\u6545\u969c\uff0c\u5b9e\u9645\u4e0a\u90fd\u662f\u786c\u4ef6\u95ee\u9898\u5f15\u8d77\u7684\u3002<\/p>\n<p><strong>\u65f6\u949f\u7cfb\u7edf\u7684\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a\u786e\u8ba4\u7cfb\u7edf\u65f6\u949f\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u5404\u4e2a\u5916\u8bbe\u7684\u65f6\u949f\u662f\u5426\u6b63\u5e38\u3002\u53ef\u4ee5\u901a\u8fc7MCO\u5f15\u811a\u8f93\u51fa\u65f6\u949f\u4fe1\u53f7\uff0c\u7528\u793a\u6ce2\u5668\u6d4b\u91cf\u5b9e\u9645\u9891\u7387\u3002\u6211\u7ecf\u5e38\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u5feb\u901f\u9a8c\u8bc1\u65f6\u949f\u914d\u7f6e\u3002<\/p>\n<p><strong>GPIO\u529f\u80fd\u7684\u57fa\u7840\u9a8c\u8bc1<\/strong>\uff1a\u786e\u8ba4GPIO\u7684\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u5305\u62ec\u5f15\u811a\u7684\u590d\u7528\u529f\u80fd\u3001\u8f93\u5165\u8f93\u51fa\u6a21\u5f0f\u3001\u4e0a\u4e0b\u62c9\u8bbe\u7f6e\u7b49\u3002\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684LED\u63a7\u5236\u6765\u9a8c\u8bc1GPIO\u7684\u57fa\u672c\u529f\u80fd\u3002<\/p>\n<p><strong>\u5916\u8bbe\u521d\u59cb\u5316\u7684\u9010\u6b65\u68c0\u67e5<\/strong>\uff1a\u68c0\u67e5\u5916\u8bbe\u7684\u521d\u59cb\u5316\u662f\u5426\u6b63\u786e\uff0c\u7279\u522b\u8981\u6ce8\u610f\u65f6\u949f\u4f7f\u80fd\u3001\u53c2\u6570\u914d\u7f6e\u3001\u4e2d\u65ad\u8bbe\u7f6e\u7b49\u3002\u6211\u5efa\u8bae\u5c06\u5916\u8bbe\u521d\u59cb\u5316\u5206\u89e3\u4e3a\u591a\u4e2a\u6b65\u9aa4\uff0c\u9010\u6b65\u68c0\u67e5\u6bcf\u4e2a\u6b65\u9aa4\u7684\u6b63\u786e\u6027\u3002<\/p>\n<p><strong>\u9ad8\u7ea7\u8c03\u8bd5\u5de5\u5177\u7684\u6df1\u5ea6\u5e94\u7528<\/strong><\/p>\n<p><strong>\u65ad\u70b9\u8c03\u8bd5\u7684\u9ad8\u6548\u4f7f\u7528<\/strong>\uff1a\u65ad\u70b9\u8c03\u8bd5\u662f\u6700\u5f3a\u5927\u7684\u8c03\u8bd5\u624b\u6bb5\u4e4b\u4e00\uff0c\u4f46\u8981\u5b66\u4f1a\u9ad8\u6548\u4f7f\u7528\u3002\u9664\u4e86\u666e\u901a\u65ad\u70b9\uff0c\u8fd8\u8981\u638c\u63e1\u6761\u4ef6\u65ad\u70b9\u3001\u6570\u636e\u65ad\u70b9\u3001\u4e34\u65f6\u65ad\u70b9\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n<p>\u6761\u4ef6\u65ad\u70b9\u53ef\u4ee5\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u624d\u89e6\u53d1\uff0c\u907f\u514d\u5728\u5faa\u73af\u4e2d\u9891\u7e41\u505c\u6b62\u3002\u6570\u636e\u65ad\u70b9\u53ef\u4ee5\u5728\u67d0\u4e2a\u53d8\u91cf\u88ab\u4fee\u6539\u65f6\u89e6\u53d1\uff0c\u7528\u4e8e\u8ffd\u8e2a\u6570\u636e\u53d8\u5316\u3002\u4e34\u65f6\u65ad\u70b9\u4f1a\u5728\u7b2c\u4e00\u6b21\u89e6\u53d1\u540e\u81ea\u52a8\u5220\u9664\uff0c\u9002\u5408\u4e00\u6b21\u6027\u8c03\u8bd5\u3002<\/p>\n<p><strong>\u53d8\u91cf\u89c2\u5bdf\u548c\u5185\u5b58\u67e5\u770b<\/strong>\uff1a\u73b0\u4ee3\u8c03\u8bd5\u5668\u90fd\u652f\u6301\u5b9e\u65f6\u89c2\u5bdf\u53d8\u91cf\u7684\u503c\uff0c\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u6570\u7ec4\u3001\u7ed3\u6784\u4f53\u7b49\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u663e\u793a\u683c\u5f0f\u3002\u5185\u5b58\u67e5\u770b\u529f\u80fd\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u5185\u5b58\u7684\u5185\u5bb9\uff0c\u5bf9\u4e8e\u7406\u89e3\u7a0b\u5e8f\u7684\u8fd0\u884c\u72b6\u6001\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n<p><strong>\u5bc4\u5b58\u5668\u67e5\u770b\u548c\u4fee\u6539<\/strong>\uff1aSTM32\u7684\u8c03\u8bd5\u5668\u652f\u6301\u5b9e\u65f6\u67e5\u770b\u548c\u4fee\u6539\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u8fd9\u5bf9\u4e8e\u786c\u4ef6\u8c03\u8bd5\u975e\u5e38\u6709\u7528\u3002\u5f53\u6000\u7591\u67d0\u4e2a\u5916\u8bbe\u914d\u7f6e\u6709\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u76f8\u5173\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u751a\u81f3\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u4fee\u6539\u5bc4\u5b58\u5668\u7684\u503c\u6765\u9a8c\u8bc1\u60f3\u6cd5\u3002<\/p>\n<p><strong>\u8c03\u7528\u5806\u6808\u548c\u6267\u884c\u6d41\u7a0b\u5206\u6790<\/strong>\uff1a\u8c03\u7528\u5806\u6808\u663e\u793a\u4e86\u51fd\u6570\u7684\u8c03\u7528\u5173\u7cfb\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7406\u89e3\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002\u5f53\u7a0b\u5e8f\u5f02\u5e38\u65f6\uff0c\u901a\u8fc7\u5206\u6790\u8c03\u7528\u5806\u6808\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u53d1\u751f\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u903b\u8f91\u5206\u6790\u4eea\u7684\u4e13\u4e1a\u5e94\u7528<\/strong><\/p>\n<p>\u5bf9\u4e8e\u590d\u6742\u7684\u65f6\u5e8f\u95ee\u9898\u548c\u901a\u4fe1\u534f\u8bae\u95ee\u9898\uff0c\u903b\u8f91\u5206\u6790\u4eea\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u5de5\u5177\u3002\u903b\u8f91\u5206\u6790\u4eea\u53ef\u4ee5\u540c\u65f6\u76d1\u6d4b\u591a\u4e2a\u6570\u5b57\u4fe1\u53f7\uff0c\u7cbe\u786e\u8bb0\u5f55\u4fe1\u53f7\u7684\u65f6\u5e8f\u5173\u7cfb\u3002<\/p>\n<p><strong>\u534f\u8bae\u89e3\u7801\u529f\u80fd\u7684\u4f7f\u7528<\/strong>\uff1a\u73b0\u4ee3\u903b\u8f91\u5206\u6790\u4eea\u90fd\u652f\u6301\u5e38\u89c1\u901a\u4fe1\u534f\u8bae\u7684\u81ea\u52a8\u89e3\u7801\uff0c\u5982SPI\u3001I2C\u3001UART\u3001CAN\u7b49\u3002\u89e3\u7801\u529f\u80fd\u53ef\u4ee5\u5c06\u539f\u59cb\u7684\u7535\u5e73\u4fe1\u53f7\u8f6c\u6362\u4e3a\u53ef\u8bfb\u7684\u6570\u636e\u5185\u5bb9\uff0c\u5927\u5927\u7b80\u5316\u4e86\u534f\u8bae\u5206\u6790\u7684\u5de5\u4f5c\u3002<\/p>\n<p>\u6211\u5728\u8c03\u8bd5\u4e00\u4e2a\u590d\u6742\u7684\u591a\u8bbe\u5907I2C\u901a\u4fe1\u95ee\u9898\u65f6\uff0c\u4f7f\u7528\u903b\u8f91\u5206\u6790\u4eea\u8bb0\u5f55\u4e86\u6574\u4e2a\u901a\u4fe1\u8fc7\u7a0b\uff0c\u901a\u8fc7\u534f\u8bae\u89e3\u7801\u529f\u80fd\u5feb\u901f\u53d1\u73b0\u4e86\u5730\u5740\u51b2\u7a81\u7684\u95ee\u9898\u3002\u5982\u679c\u6ca1\u6709\u903b\u8f91\u5206\u6790\u4eea\uff0c\u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u9700\u8981\u51e0\u5929\u65f6\u95f4\u624d\u80fd\u5b9a\u4f4d\u3002<\/p>\n<p><strong>\u65f6\u5e8f\u5173\u7cfb\u7684\u7cbe\u786e\u6d4b\u91cf<\/strong>\uff1a\u903b\u8f91\u5206\u6790\u4eea\u53ef\u4ee5\u7cbe\u786e\u6d4b\u91cf\u4fe1\u53f7\u4e4b\u95f4\u7684\u65f6\u5e8f\u5173\u7cfb\uff0c\u7cbe\u5ea6\u53ef\u4ee5\u8fbe\u5230\u7eb3\u79d2\u7ea7\u3002\u8fd9\u5bf9\u4e8e\u8c03\u8bd5\u9ad8\u901f\u4fe1\u53f7\u548c\u65f6\u5e8f\u8981\u6c42\u4e25\u683c\u7684\u5e94\u7528\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p><strong>\u8f6f\u4ef6\u8c03\u8bd5\u8f85\u52a9\u5de5\u5177\u7684\u5f00\u53d1\u548c\u5e94\u7528<\/strong><\/p>\n<p>\u9664\u4e86\u786c\u4ef6\u8c03\u8bd5\u5de5\u5177\uff0c\u6211\u8fd8\u5f00\u53d1\u4e86\u4e00\u4e9b\u8f6f\u4ef6\u8c03\u8bd5\u8f85\u52a9\u5de5\u5177\u6765\u63d0\u9ad8\u8c03\u8bd5\u6548\u7387\u3002<\/p>\n<p><strong>\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u7684\u5b9a\u5236\u5f00\u53d1<\/strong>\uff1a\u6211\u5f00\u53d1\u4e86\u4e00\u4e2a\u4e13\u7528\u7684\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u663e\u793a\u3001\u534f\u8bae\u89e3\u6790\u3001\u6570\u636e\u8bb0\u5f55\u3001\u81ea\u52a8\u56de\u590d\u7b49\u529f\u80fd\u3002\u8fd9\u4e2a\u5de5\u5177\u5728\u4e32\u53e3\u901a\u4fe1\u8c03\u8bd5\u4e2d\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p><strong>\u6570\u636e\u53ef\u89c6\u5316\u5de5\u5177\u7684\u5e94\u7528<\/strong>\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u9700\u8981\u5206\u6790\u6570\u636e\u8d8b\u52bf\u7684\u5e94\u7528\uff0c\u6211\u5f00\u53d1\u4e86\u5b9e\u65f6\u6570\u636e\u663e\u793a\u5de5\u5177\uff0c\u53ef\u4ee5\u5c06\u4e32\u53e3\u63a5\u6536\u5230\u7684\u6570\u636e\u5b9e\u65f6\u7ed8\u5236\u6210\u66f2\u7ebf\u56fe\u3002\u8fd9\u79cd\u53ef\u89c6\u5316\u7684\u65b9\u5f0f\u6bd4\u6570\u5b57\u663e\u793a\u66f4\u76f4\u89c2\uff0c\u66f4\u5bb9\u6613\u53d1\u73b0\u95ee\u9898\u3002<\/p>\n<p><strong>\u81ea\u52a8\u5316\u6d4b\u8bd5\u811a\u672c\u7684\u7f16\u5199<\/strong>\uff1a\u5bf9\u4e8e\u91cd\u590d\u6027\u7684\u6d4b\u8bd5\u5de5\u4f5c\uff0c\u6211\u7f16\u5199\u4e86\u81ea\u52a8\u5316\u6d4b\u8bd5\u811a\u672c\uff0c\u53ef\u4ee5\u81ea\u52a8\u6267\u884c\u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bb0\u5f55\u6d4b\u8bd5\u7ed3\u679c\uff0c\u751f\u6210\u6d4b\u8bd5\u62a5\u544a\u3002\u8fd9\u5927\u5927\u63d0\u9ad8\u4e86\u6d4b\u8bd5\u6548\u7387\uff0c\u4e5f\u51cf\u5c11\u4e86\u4eba\u4e3a\u9519\u8bef\u3002<\/p>\n<h2><strong>\u5b66\u4e60\u8d44\u6e90\u63a8\u8350\u548c\u804c\u4e1a\u53d1\u5c55\u7684\u6218\u7565\u89c4\u5212<\/strong><\/h2>\n<p>\u7ecf\u8fc7\u524d\u9762\u7cfb\u7edf\u6027\u7684\u6280\u672f\u5b66\u4e60\uff0c\u73b0\u5728\u6211\u4eec\u6765\u8c08\u8c08\u5b66\u4e60\u8d44\u6e90\u7684\u9009\u62e9\u548c\u804c\u4e1a\u53d1\u5c55\u7684\u89c4\u5212\u3002\u9009\u62e9\u5408\u9002\u7684\u5b66\u4e60\u8d44\u6e90\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5b66\u4e60\u6548\u7387\uff0c\u660e\u786e\u7684\u804c\u4e1a\u89c4\u5212\u53ef\u4ee5\u8ba9\u6280\u672f\u5b66\u4e60\u66f4\u6709\u9488\u5bf9\u6027\u548c\u76ee\u7684\u6027\u3002<\/p>\n<p><strong>\u6743\u5a01\u5b66\u4e60\u8d44\u6e90\u7684\u7cbe\u9009\u63a8\u8350\u548c\u4f7f\u7528\u7b56\u7565<\/strong><\/p>\n<p><strong>\u5b98\u65b9\u6280\u672f\u6587\u6863\u7684\u6df1\u5ea6\u5229\u7528<\/strong><\/p>\n<p>ST\u5b98\u65b9\u7684\u6280\u672f\u6587\u6863\u662f\u6700\u6743\u5a01\u3001\u6700\u51c6\u786e\u7684\u5b66\u4e60\u8d44\u6599\uff0c\u4f46\u5f88\u591a\u521d\u5b66\u8005\u56e0\u4e3a\u6587\u6863\u6bd4\u8f83\u539a\u91cd\u800c\u671b\u800c\u5374\u6b65\u3002\u5b9e\u9645\u4e0a\uff0c\u638c\u63e1\u4e86\u6b63\u786e\u7684\u9605\u8bfb\u65b9\u6cd5\uff0c\u5b98\u65b9\u6587\u6863\u662f\u6700\u9ad8\u6548\u7684\u5b66\u4e60\u8d44\u6e90\u3002<\/p>\n<p><strong>\u6570\u636e\u624b\u518c\uff08Datasheet\uff09\u7684\u9605\u8bfb\u6280\u5de7<\/strong>\uff1a\u6570\u636e\u624b\u518c\u5305\u542b\u4e86\u82af\u7247\u7684\u6240\u6709\u6280\u672f\u89c4\u683c\u548c\u4f7f\u7528\u8bf4\u660e\u3002\u9605\u8bfb\u65f6\u4e0d\u9700\u8981\u4ece\u5934\u5230\u5c3e\u770b\u5b8c\uff0c\u800c\u662f\u8981\u5b66\u4f1a\u5feb\u901f\u5b9a\u4f4d\u9700\u8981\u7684\u4fe1\u606f\u3002\u6211\u7684\u65b9\u6cd5\u662f\uff1a\u5148\u770b\u82af\u7247\u6982\u8ff0\u4e86\u89e3\u6574\u4f53\u67b6\u6784\uff0c\u7136\u540e\u6839\u636e\u9700\u8981\u67e5\u770b\u5177\u4f53\u7ae0\u8282\u3002<\/p>\n<p><strong>\u53c2\u8003\u624b\u518c\uff08Reference Manual\uff09\u7684\u7cfb\u7edf\u5b66\u4e60<\/strong>\uff1a\u53c2\u8003\u624b\u518c\u8be6\u7ec6\u63cf\u8ff0\u4e86\u82af\u7247\u7684\u5185\u90e8\u7ed3\u6784\u548c\u5bc4\u5b58\u5668\u5b9a\u4e49\u3002\u8fd9\u662f\u6df1\u5165\u7406\u89e3STM32\u5de5\u4f5c\u539f\u7406\u7684\u5fc5\u8bfb\u8d44\u6599\u3002\u6211\u5efa\u8bae\u81f3\u5c11\u5b8c\u6574\u9605\u8bfb\u4e00\u904dGPIO\u3001RCC\u3001NVIC\u7b49\u6838\u5fc3\u7ae0\u8282\u3002<\/p>\n<p><strong>\u5e94\u7528\u7b14\u8bb0\uff08Application Note\uff09\u7684\u5b9e\u8df5\u4ef7\u503c<\/strong>\uff1aST\u5b9a\u671f\u53d1\u5e03\u5404\u79cd\u5e94\u7528\u7b14\u8bb0\uff0c\u6d89\u53ca\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u4e9b\u6587\u6863\u5177\u6709\u5f88\u5f3a\u7684\u5b9e\u8df5\u6307\u5bfc\u4ef7\u503c\uff0c\u6211\u7ecf\u5e38\u4ece\u4e2d\u83b7\u5f97\u9879\u76ee\u5f00\u53d1\u7684\u7075\u611f\u548c\u65b9\u6848\u3002<\/p>\n<p><strong>\u7f16\u7a0b\u624b\u518c\uff08Programming Manual\uff09\u7684\u91cd\u8981\u6027<\/strong>\uff1a\u7f16\u7a0b\u624b\u518c\u63cf\u8ff0\u4e86ARM\u5185\u6838\u7684\u6307\u4ee4\u96c6\u548c\u7f16\u7a0b\u6a21\u578b\uff0c\u867d\u7136\u5e73\u65f6\u7528\u5f97\u4e0d\u591a\uff0c\u4f46\u5728\u6027\u80fd\u4f18\u5316\u548c\u5e95\u5c42\u8c03\u8bd5\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p><strong>STM32Cube\u751f\u6001\u7cfb\u7edf\u7684\u5145\u5206\u5229\u7528<\/strong>\uff1aSTM32Cube\u5305\u542b\u4e86\u4e30\u5bcc\u7684\u8f6f\u4ef6\u8d44\u6e90\uff0c\u5305\u62ecHAL\u5e93\u3001\u4e2d\u95f4\u4ef6\u3001\u4f8b\u7a0b\u4ee3\u7801\u7b49\u3002\u8fd9\u4e9b\u4ee3\u7801\u7ecf\u8fc7\u5b98\u65b9\u6d4b\u8bd5\uff0c\u8d28\u91cf\u6709\u4fdd\u8bc1\uff0c\u662f\u5f88\u597d\u7684\u5b66\u4e60\u6750\u6599\u3002\u6211\u5efa\u8bae\u5145\u5206\u5229\u7528\u8fd9\u4e9b\u8d44\u6e90\uff0c\u4e0d\u8981\u91cd\u590d\u9020\u8f6e\u5b50\u3002<\/p>\n<p><strong>\u4f18\u8d28\u4e2d\u6587\u5b66\u4e60\u8d44\u6e90\u7684\u7504\u522b\u548c\u4f7f\u7528<\/strong><\/p>\n<p>\u867d\u7136\u5b98\u65b9\u6587\u6863\u6700\u6743\u5a01\uff0c\u4f46\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u4e2d\u6587\u6559\u7a0b\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u5165\u95e8\u3002\u4f46\u4e2d\u6587\u8d44\u6e90\u8d28\u91cf\u53c2\u5dee\u4e0d\u9f50\uff0c\u9700\u8981\u4ed4\u7ec6\u7504\u522b\u3002<\/p>\n<p><strong>\u6b63\u70b9\u539f\u5b50\u6559\u7a0b\u7684\u7279\u70b9\u548c\u9002\u7528\u6027<\/strong>\uff1a\u6b63\u70b9\u539f\u5b50\u7684STM32\u6559\u7a0b\u5728\u56fd\u5185\u5f71\u54cd\u5f88\u5927\uff0c\u5185\u5bb9\u8986\u76d6\u9762\u5e7f\uff0c\u4f8b\u7a0b\u4e30\u5bcc\u3002\u6559\u7a0b\u7684\u7279\u70b9\u662f\u5b9e\u8df5\u6027\u5f3a\uff0c\u6bcf\u4e2a\u77e5\u8bc6\u70b9\u90fd\u6709\u5bf9\u5e94\u7684\u4f8b\u7a0b\uff0c\u5bb9\u6613\u4e0a\u624b\u3002\u4f46\u7406\u8bba\u6df1\u5ea6\u76f8\u5bf9\u4e0d\u8db3\uff0c\u9002\u5408\u5feb\u901f\u5165\u95e8\u4f46\u4e0d\u9002\u5408\u6df1\u5165\u7814\u7a76\u3002<\/p>\n<p><strong>\u91ce\u706b\u6559\u7a0b\u7684\u6280\u672f\u6df1\u5ea6<\/strong>\uff1a\u91ce\u706b\u7684STM32\u6559\u7a0b\u7406\u8bba\u8bb2\u89e3\u6bd4\u8f83\u8be6\u7ec6\uff0c\u7279\u522b\u6ce8\u91cd\u539f\u7406\u7684\u9610\u8ff0\uff0c\u6709\u52a9\u4e8e\u6df1\u5165\u7406\u89e3\u5e95\u5c42\u673a\u5236\u3002\u6559\u7a0b\u7684\u7ed3\u6784\u4e5f\u6bd4\u8f83\u7cfb\u7edf\uff0c\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u5faa\u5e8f\u6e10\u8fdb\u3002\u4f46\u4f8b\u7a0b\u76f8\u5bf9\u8f83\u5c11\uff0c\u9700\u8981\u8bfb\u8005\u81ea\u5df1\u591a\u52a8\u624b\u5b9e\u8df5\u3002<\/p>\n<p><strong>\u97e6\u4e1c\u5c71\u5d4c\u5165\u5f0f\u8bfe\u7a0b\u7684\u7cfb\u7edf\u89c2<\/strong>\uff1a\u97e6\u4e1c\u5c71\u7684\u8bfe\u7a0b\u4e0d\u4ec5\u9650\u4e8eSTM32\uff0c\u800c\u662f\u4ece\u6574\u4e2a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u89d2\u5ea6\u6765\u8bb2\u89e3\uff0c\u6709\u52a9\u4e8e\u5efa\u7acb\u7cfb\u7edf\u6027\u7684\u6280\u672f\u89c6\u91ce\u3002\u8bfe\u7a0b\u5185\u5bb9\u6db5\u76d6\u4e86\u4ece\u786c\u4ef6\u5230\u8f6f\u4ef6\u3001\u4ece\u5e95\u5c42\u5230\u5e94\u7528\u7684\u5404\u4e2a\u5c42\u9762\u3002<\/p>\n<p>\u6211\u7684\u5efa\u8bae\u662f\uff1a\u521d\u5b66\u8005\u53ef\u4ee5\u5148\u4ece\u6b63\u70b9\u539f\u5b50\u6216\u91ce\u706b\u7684\u6559\u7a0b\u5165\u95e8\uff0c\u5efa\u7acb\u57fa\u672c\u6982\u5ff5\u540e\u518d\u6df1\u5165\u5b66\u4e60\u5b98\u65b9\u6587\u6863\uff0c\u6700\u540e\u901a\u8fc7\u97e6\u4e1c\u5c71\u7b49\u7cfb\u7edf\u6027\u8bfe\u7a0b\u63d0\u5347\u6574\u4f53\u6280\u672f\u6c34\u5e73\u3002<\/p>\n<p><strong>\u82f1\u6587\u5b66\u4e60\u8d44\u6e90\u7684\u4ef7\u503c\u548c\u5229\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>\u867d\u7136\u5b66\u4e60\u82f1\u6587\u8d44\u6e90\u6709\u4e00\u5b9a\u7684\u8bed\u8a00\u95e8\u69db\uff0c\u4f46\u5f88\u591a\u9ad8\u8d28\u91cf\u7684\u6280\u672f\u8d44\u6e90\u53ea\u6709\u82f1\u6587\u7248\u672c\u3002\u63d0\u9ad8\u82f1\u6587\u6280\u672f\u6587\u6863\u7684\u9605\u8bfb\u80fd\u529b\u5bf9\u4e8e\u6280\u672f\u53d1\u5c55\u5f88\u91cd\u8981\u3002<\/p>\n<p><strong>\u300aThe Definitive Guide to ARM Cortex-M\u300b\u7cfb\u5217\u7684\u7ecf\u5178\u4ef7\u503c<\/strong>\uff1a\u8fd9\u662fARM\u5b98\u65b9\u63a8\u8350\u7684Cortex-M\u5b66\u4e60\u6559\u7a0b\uff0c\u5bf9\u5185\u6838\u67b6\u6784\u7684\u8bb2\u89e3\u975e\u5e38\u6df1\u5165\u548c\u6743\u5a01\u3002\u867d\u7136\u662f\u82f1\u6587\u7248\u672c\uff0c\u4f46\u6280\u672f\u672f\u8bed\u76f8\u5bf9\u56fa\u5b9a\uff0c\u9002\u5e94\u540e\u9605\u8bfb\u96be\u5ea6\u4e0d\u5927\u3002<\/p>\n<p><strong>ST\u5b98\u65b9\u5728\u7ebf\u57f9\u8bad\u7684\u8d28\u91cf\u4fdd\u8bc1<\/strong>\uff1aST\u5b98\u65b9\u7f51\u7ad9\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5728\u7ebf\u57f9\u8bad\u8bfe\u7a0b\uff0c\u6db5\u76d6\u4e86STM32\u7684\u5404\u4e2a\u65b9\u9762\u3002\u8fd9\u4e9b\u8bfe\u7a0b\u901a\u5e38\u7531ST\u7684\u6280\u672f\u4e13\u5bb6\u4e3b\u8bb2\uff0c\u8d28\u91cf\u5f88\u9ad8\uff0c\u800c\u4e14\u4f1a\u53ca\u65f6\u66f4\u65b0\u6700\u65b0\u7684\u6280\u672f\u5185\u5bb9\u3002<\/p>\n<p><strong>YouTube\u6280\u672f\u9891\u9053\u7684\u5b66\u4e60\u4ef7\u503c<\/strong>\uff1aYouTube\u4e0a\u6709\u5f88\u591a\u4f18\u8d28\u7684STM32\u6559\u7a0b\u9891\u9053\uff0c\u5982EEVblog\u3001GreatScott!\u3001ExplainingComputers\u7b49\u3002\u8fd9\u4e9b\u9891\u9053\u7684\u7279\u70b9\u662f\u8bb2\u89e3\u751f\u52a8\uff0c\u5b9e\u8df5\u6027\u5f3a\uff0c\u800c\u4e14\u7ecf\u5e38\u4f1a\u5206\u4eab\u4e00\u4e9b\u5b9e\u7528\u7684\u5f00\u53d1\u6280\u5de7\u548c\u7ecf\u9a8c\u3002<\/p>\n<p><strong>GitHub\u5f00\u6e90\u9879\u76ee\u7684\u5b66\u4e60\u673a\u4f1a<\/strong>\uff1aGitHub\u4e0a\u6709\u5927\u91cf\u57fa\u4e8eSTM32\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u4ece\u7b80\u5355\u7684\u4f8b\u7a0b\u5230\u590d\u6742\u7684\u5e94\u7528\u7cfb\u7edf\u90fd\u6709\u3002\u901a\u8fc7\u9605\u8bfb\u548c\u53c2\u4e0e\u8fd9\u4e9b\u9879\u76ee\uff0c\u53ef\u4ee5\u5b66\u4e60\u5230\u5f88\u591a\u5b9e\u9645\u7684\u5f00\u53d1\u7ecf\u9a8c\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<p><strong>\u6280\u672f\u793e\u533a\u548c\u8bba\u575b\u7684\u6df1\u5ea6\u53c2\u4e0e<\/strong><\/p>\n<p><strong>STM32\u4e2d\u6587\u8bba\u575b\u7684\u8d44\u6e90\u5229\u7528<\/strong>\uff1a\u56fd\u5185\u6709\u51e0\u4e2a\u4e13\u95e8\u7684STM32\u6280\u672f\u8bba\u575b\uff0c\u5982OpenEdv\u3001Amobbs\u7b49\uff0c\u805a\u96c6\u4e86\u5927\u91cf\u7684STM32\u5f00\u53d1\u8005\u3002\u8fd9\u4e9b\u8bba\u575b\u4e0d\u4ec5\u53ef\u4ee5\u83b7\u53d6\u6280\u672f\u8d44\u6599\uff0c\u8fd8\u53ef\u4ee5\u4e0e\u540c\u884c\u4ea4\u6d41\u7ecf\u9a8c\uff0c\u89e3\u51b3\u5177\u4f53\u7684\u6280\u672f\u95ee\u9898\u3002<\/p>\n<p>\u6211\u5efa\u8bae\u4e0d\u4ec5\u8981\u4ece\u8bba\u575b\u83b7\u53d6\u4fe1\u606f\uff0c\u8fd8\u8981\u79ef\u6781\u53c2\u4e0e\u8ba8\u8bba\uff0c\u56de\u7b54\u522b\u4eba\u7684\u95ee\u9898\u3002\u901a\u8fc7\u5e2e\u52a9\u522b\u4eba\u89e3\u51b3\u95ee\u9898\uff0c\u53ef\u4ee5\u5de9\u56fa\u81ea\u5df1\u7684\u77e5\u8bc6\uff0c\u63d0\u9ad8\u6280\u672f\u5f71\u54cd\u529b\u3002<\/p>\n<p><strong>Stack Overflow\u7b49\u56fd\u9645\u5e73\u53f0\u7684\u4ef7\u503c<\/strong>\uff1aStack 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decoding=\"async\" width=\"600\" height=\"400\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdkEIv\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2><strong>\u7ed3\u8bed\uff1aSTM32\u5b66\u4e60\u4e4b\u8def\u7684\u6df1\u5ea6\u601d\u8003\u4e0e\u672a\u6765\u5c55\u671b<\/strong><\/h2>\n<p>\u5199\u5230\u8fd9\u91cc\uff0c\u8fd9\u7bc7\u5173\u4e8eSTM32\u65b0\u4eba\u5165\u95e8\u5b66\u4e60\u7684\u957f\u6587\u4e5f\u63a5\u8fd1\u5c3e\u58f0\u4e86\u3002\u56de\u671b\u81ea\u5df1\u4ece\u4e00\u4e2a\u673a\u68b0\u4e13\u4e1a\u7684\u95e8\u5916\u6c49\u5230\u4eca\u5929\u7684\u5d4c\u5165\u5f0f\u6280\u672f\u8001\u5175\u3001\u81ea\u5a92\u4f53\u521b\u4e1a\u8005\u7684\u8fd9\u6bb5\u7ecf\u5386\uff0c\u611f\u6168\u826f\u591a\u3002\u8fd9\u6761\u8def\u8d70\u5f97\u5e76\u4e0d\u5bb9\u6613\uff0c\u5145\u6ee1\u4e86\u632b\u6298\u3001\u56f0\u60d1\u3001\u7126\u8651\uff0c\u4f46\u4e5f\u5145\u6ee1\u4e86\u53d1\u73b0\u3001\u6210\u957f\u3001\u6536\u83b7\u3002<\/p>\n<p><strong>\u6280\u672f\u5b66\u4e60\u7684\u672c\u8d28\u662f\u601d\u7ef4\u65b9\u5f0f\u7684\u8bad\u7ec3<\/strong><\/p>\n<p>\u7ecf\u8fc7\u8fd9\u4e48\u591a\u5e74\u7684\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u6211\u8d8a\u6765\u8d8a\u6df1\u523b\u5730\u8ba4\u8bc6\u5230\uff0c\u6280\u672f\u5b66\u4e60\u7684\u672c\u8d28\u4e0d\u662f\u7b80\u5355\u5730\u638c\u63e1\u67d0\u79cd\u5de5\u5177\u6216\u6280\u80fd\uff0c\u800c\u662f\u57f9\u517b\u4e00\u79cd\u601d\u7ef4\u65b9\u5f0f\u2014\u2014\u7cfb\u7edf\u6027\u601d\u7ef4\u3001\u903b\u8f91\u6027\u601d\u7ef4\u3001\u521b\u65b0\u6027\u601d\u7ef4\u3002<\/p>\n<p>STM32\u53ea\u662f\u4e00\u4e2a\u8f7d\u4f53\uff0c\u4e00\u4e2a\u5de5\u5177\u3002\u901a\u8fc7\u5b66\u4e60STM32\uff0c\u6211\u4eec\u771f\u6b63\u5b66\u5230\u7684\u662f\uff1a\u5982\u4f55\u5206\u6790\u590d\u6742\u95ee\u9898\u3001\u5982\u4f55\u5c06\u5927\u95ee\u9898\u5206\u89e3\u4e3a\u5c0f\u95ee\u9898\u3001\u5982\u4f55\u5728\u7ea6\u675f\u6761\u4ef6\u4e0b\u5bfb\u627e\u6700\u4f18\u89e3\u3001\u5982\u4f55\u901a\u8fc7\u5b9e\u9a8c\u9a8c\u8bc1\u7406\u8bba\u3001\u5982\u4f55\u4e0e\u4ed6\u4eba\u534f\u4f5c\u5b8c\u6210\u590d\u6742\u4efb\u52a1\u3002\u8fd9\u4e9b\u80fd\u529b\u4e0d\u4ec5\u9002\u7528\u4e8e\u5d4c\u5165\u5f0f\u5f00\u53d1\uff0c\u4e5f\u9002\u7528\u4e8e\u4efb\u4f55\u6280\u672f\u9886\u57df\uff0c\u751a\u81f3\u9002\u7528\u4e8e\u4eba\u751f\u7684\u5404\u4e2a\u65b9\u9762\u3002<\/p>\n<p>\u6211\u8bb0\u5f97\u5728\u7b2c\u4e00\u4e2a\u5546\u4e1a\u9879\u76ee\u4e2d\uff0c\u9762\u5bf9\u4e00\u4e2a\u4ece\u672a\u63a5\u89e6\u8fc7\u7684\u590d\u6742\u7cfb\u7edf\u65f6\uff0c\u6211\u5e76\u6ca1\u6709\u88ab\u5413\u5012\uff0c\u800c\u662f\u8fd0\u7528\u5b66\u4e60STM32\u65f6\u57f9\u517b\u7684\u601d\u7ef4\u65b9\u6cd5\uff1a\u5148\u7406\u89e3\u6574\u4f53\u67b6\u6784\uff0c\u7136\u540e\u5206\u6790\u5404\u4e2a\u5b50\u7cfb\u7edf\u7684\u529f\u80fd\uff0c\u63a5\u7740\u8bbe\u8ba1\u63a5\u53e3\u548c\u534f\u8bae\uff0c\u6700\u540e\u9010\u6b65\u5b9e\u73b0\u548c\u6d4b\u8bd5\u3002\u8fd9\u79cd\u7cfb\u7edf\u6027\u7684\u65b9\u6cd5\u8bba\u8ba9\u6211\u80fd\u591f\u5feb\u901f\u9002\u5e94\u65b0\u7684\u6280\u672f\u73af\u5883\uff0c\u89e3\u51b3\u590d\u6742\u7684\u5de5\u7a0b\u95ee\u9898\u3002<\/p>\n<p><strong>\u5d4c\u5165\u5f0f\u6280\u672f\u7684\u53d1\u5c55\u8d8b\u52bf\u548c\u673a\u9047<\/strong><\/p>\n<p>\u7ad9\u57282024\u5e74\u7684\u65f6\u95f4\u8282\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5d4c\u5165\u5f0f\u6280\u672f\u6b63\u5728\u7ecf\u5386\u524d\u6240\u672a\u6709\u7684\u53d8\u9769\u548c\u53d1\u5c55\u673a\u9047\uff1a<\/p>\n<p><strong>\u7269\u8054\u7f51\u7684\u6df1\u5ea6\u666e\u53ca<\/strong>\u6b63\u5728\u4e3a\u5d4c\u5165\u5f0f\u8bbe\u5907\u521b\u9020\u5de8\u5927\u7684\u5e02\u573a\u7a7a\u95f4\u3002\u4ece\u667a\u80fd\u5bb6\u5c45\u5230\u5de5\u4e1a4.0\uff0c\u4ece\u667a\u6167\u57ce\u5e02\u5230\u7cbe\u51c6\u519c\u4e1a\uff0c\u51e0\u4e4e\u6240\u6709\u4f20\u7edf\u884c\u4e1a\u90fd\u5728\u8fdb\u884c\u6570\u5b57\u5316\u8f6c\u578b\uff0c\u8fd9\u4e3aSTM32\u7b49\u5fae\u63a7\u5236\u5668\u63d0\u4f9b\u4e86\u5e7f\u9614\u7684\u5e94\u7528\u821e\u53f0\u3002<\/p>\n<p><strong>\u4eba\u5de5\u667a\u80fd\u7684\u8fb9\u7f18\u5316\u90e8\u7f72<\/strong>\u4f7f\u5f97\u4f20\u7edf\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u5f00\u59cb\u5177\u5907\u667a\u80fd\u5316\u80fd\u529b\u3002STM32\u7684\u9ad8\u7aef\u4ea7\u54c1\u5df2\u7ecf\u5f00\u59cb\u96c6\u6210AI\u52a0\u901f\u5668\uff0c\u53ef\u4ee5\u5728\u672c\u5730\u8fd0\u884c\u7b80\u5355\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\uff0c\u5b9e\u73b0\u8fb9\u7f18\u667a\u80fd\u3002<\/p>\n<p><strong>5G\u548c\u65b0\u4e00\u4ee3\u901a\u4fe1\u6280\u672f<\/strong>\u7684\u6210\u719f\u4e3a\u7269\u8054\u7f51\u8bbe\u5907\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u8fde\u63a5\u80fd\u529b\u3002\u9ad8\u901f\u5ea6\u3001\u4f4e\u5ef6\u8fdf\u3001\u5927\u8fde\u63a5\u76845G\u7f51\u7edc\u5c06\u50ac\u751f\u51fa\u66f4\u591a\u521b\u65b0\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p><strong>\u7eff\u8272\u80fd\u6e90\u548c\u53ef\u6301\u7eed\u53d1\u5c55<\/strong>\u7684\u7406\u5ff5\u63a8\u52a8\u4e86\u4f4e\u529f\u8017\u6280\u672f\u7684\u53d1\u5c55\u3002STM32\u5728\u4f4e\u529f\u8017\u8bbe\u8ba1\u65b9\u9762\u7684\u4f18\u52bf\u5c06\u5728\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u3001\u80fd\u91cf\u91c7\u96c6\u7cfb\u7edf\u7b49\u5e94\u7528\u4e2d\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p><strong>\u5f00\u6e90\u751f\u6001\u7684\u7e41\u8363<\/strong>\u964d\u4f4e\u4e86\u521b\u65b0\u7684\u95e8\u69db\uff0c\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002\u73b0\u5728\u6709\u5927\u91cf\u7684\u5f00\u6e90\u786c\u4ef6\u3001\u5f00\u6e90\u8f6f\u4ef6\u3001\u5f00\u6e90\u5de5\u5177\u53ef\u4ee5\u4f7f\u7528\uff0c\u5927\u5927\u7f29\u77ed\u4e86\u4ea7\u54c1\u5f00\u53d1\u5468\u671f\u3002<\/p>\n<p>\u8fd9\u4e9b\u8d8b\u52bf\u4e3a\u5b66\u4e60STM32\u7684\u5de5\u7a0b\u5e08\u63d0\u4f9b\u4e86\u524d\u6240\u672a\u6709\u7684\u53d1\u5c55\u673a\u4f1a\u3002\u4f46\u540c\u65f6\u4e5f\u5bf9\u6211\u4eec\u7684\u6280\u80fd\u63d0\u51fa\u4e86\u66f4\u9ad8\u8981\u6c42\uff1a\u4e0d\u4ec5\u8981\u638c\u63e1\u4f20\u7edf\u7684\u5d4c\u5165\u5f0f\u6280\u672f\uff0c\u8fd8\u8981\u4e86\u89e3\u4e91\u8ba1\u7b97\u3001\u4eba\u5de5\u667a\u80fd\u3001\u7f51\u7edc\u5b89\u5168\u3001\u5927\u6570\u636e\u7b49\u65b0\u5174\u6280\u672f\u3002<\/p>\n<p><strong>\u7ed9\u65b0\u4eba\u7684\u8bda\u631a\u5efa\u8bae\u548c\u6df1\u5207\u671f\u671b<\/strong><\/p>\n<p>\u5982\u679c\u4f60\u662f\u4e00\u4e2a\u521a\u5f00\u59cb\u5b66\u4e60STM32\u7684\u65b0\u4eba\uff0c\u6211\u60f3\u7ed9\u4f60\u51e0\u70b9\u53d1\u81ea\u5185\u5fc3\u7684\u5efa\u8bae\uff1a<\/p>\n<p><strong>\u4e0d\u8981\u5bb3\u6015\u56f0\u96be\uff0c\u56f0\u96be\u662f\u6210\u957f\u7684\u9636\u68af<\/strong>\uff1a\u5b66\u4e60STM32\u786e\u5b9e\u6709\u4e00\u5b9a\u96be\u5ea6\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u6ca1\u6709\u7535\u5b50\u57fa\u7840\u7684\u4eba\u6765\u8bf4\u3002\u4f46\u8bf7\u8bb0\u4f4f\uff0c\u4efb\u4f55\u6709\u4ef7\u503c\u7684\u6280\u80fd\u90fd\u4e0d\u662f\u8f7b\u6613\u5c31\u80fd\u638c\u63e1\u7684\u3002\u56f0\u96be\u662f\u6682\u65f6\u7684\uff0c\u53ea\u8981\u4fdd\u6301\u8010\u5fc3\u548c\u6bc5\u529b\uff0c\u4e00\u5b9a\u80fd\u591f\u514b\u670d\u3002<\/p>\n<p>\u6211\u5f53\u5e74\u4ece\u673a\u68b0\u4e13\u4e1a\u8de8\u754c\u5230\u7535\u5b50\u4e13\u4e1a\uff0c\u9762\u4e34\u7684\u56f0\u96be\u6bd4\u73b0\u5728\u7684\u65b0\u4eba\u8981\u5927\u5f97\u591a\u3002\u90a3\u65f6\u5019\u7f51\u4e0a\u7684\u5b66\u4e60\u8d44\u6e90\u5f88\u5c11\uff0c\u5f00\u53d1\u5de5\u5177\u4e5f\u4e0d\u591f\u5b8c\u5584\uff0c\u5f88\u591a\u95ee\u9898\u90fd\u8981\u9760\u81ea\u5df1\u6478\u7d22\u3002\u4f46\u6b63\u662f\u8fd9\u4e9b\u56f0\u96be\u78e8\u7ec3\u4e86\u6211\u7684\u610f\u5fd7\uff0c\u57f9\u517b\u4e86\u6211\u72ec\u7acb\u89e3\u51b3\u95ee\u9898\u7684\u80fd\u529b\u3002\u73b0\u5728\u56de\u60f3\u8d77\u6765\uff0c\u90a3\u4e9b\u66fe\u7ecf\u8ba9\u6211\u5934\u75bc\u7684\u96be\u9898\uff0c\u53cd\u800c\u6210\u4e3a\u4e86\u6700\u5b9d\u8d35\u7684\u5b66\u4e60\u7ecf\u5386\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u4fdd\u6301\u8010\u5fc3\u548c\u6bc5\u529b\uff0c\u6280\u672f\u5b66\u4e60\u662f\u4e00\u4e2a\u957f\u671f\u8fc7\u7a0b<\/strong>\uff1a\u6280\u672f\u5b66\u4e60\u4e0d\u53ef\u80fd\u4e00\u8e74\u800c\u5c31\uff0c\u9700\u8981\u65f6\u95f4\u7684\u79ef\u7d2f\u548c\u7ecf\u9a8c\u7684\u6c89\u6dc0\u3002<\/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=4OirnH2mRUukkHW%2FQl9skg%3D%3D.t0Mth6ez%2FjpG60VV8%2BbyyqQ%2FpD86i%2BN5O8VWJp4AfO1osk04dzgQu%2FGJxWz4%2FWyV\" 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=hcz%2B3CZpvjIIciST6lDacw%3D%3D.vWB6qzduN7DYWwmywfxPufBsqsZNUkLXYYWcH27Sw9Zv%2Bw0W3LhAZVL406Wh61hC\" 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=HICQcWBMnFDep9i4niuEyg%3D%3D.1meYqZaCpzEqdUZy54%2Fmum5i9485ztVaKiaaQ4qpXNxmOHq5uJRFvAHca7jIs2%2FR\" 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=OE30WIWgbmoX5mZrCr1DFw%3D%3D.%2FliKQr6DjpVn%2BFodkvAyqT8sNPbbTnZl%2BNtn7E8eQcGKOZx7SHemr57J8TCq6Okx\" 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=iwnCkXaYDtUyx5pvW5FDdQ%3D%3D.Agj6wjDrXPtwy1kq2voB5%2BgPm8mBL2urlYTlC2Hhyps%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\/1190000046833108\">https:\/\/segmentfault.com\/a\/1190000046833108<\/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\u7684\u601d\u7eea\u77ac\u95f4\u56de\u5230\u4e86\u5f53\u5e74\u90a3\u4e2a\u61f5\u61c2\u7684\u81ea\u5df1\u3002\u8bf4\u5b9e\u8bdd\uff0c20 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