{"id":10021232,"date":"2026-02-01T15:24:55","date_gmt":"2026-02-01T07:24:55","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021232"},"modified":"2026-02-01T15:24:55","modified_gmt":"2026-02-01T07:24:55","slug":"dsp%e7%9a%84%e9%80%89%e5%9e%8b%e5%92%8c%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021232","title":{"rendered":"DSP\u7684\u9009\u578b\u548c\u5e94\u7528"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002<\/p>\n<p>\u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u9886\u57df\uff0cDSP\uff08Digital Signal Processor\uff0c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\uff09\u662f\u4e00\u7c7b\u4e13\u95e8\u7528\u4e8e\u9ad8\u901f\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u7684\u5fae\u5904\u7406\u5668\u3002<\/p>\n<p>\u867d\u7136\u6211\u4e3b\u8981\u4ece\u4e8b\u5d4c\u5165\u5f0fLinux\u548c\u5355\u7247\u673a\u5f00\u53d1\uff0c\u4f46\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u4e5f\u63a5\u89e6\u8fc7\u4e0d\u5c11\u9700\u8981DSP\u53c2\u4e0e\u7684\u573a\u666f\uff0c\u6bd4\u5982\u97f3\u9891\u5904\u7406\u3001\u7535\u673a\u63a7\u5236\u3001\u56fe\u50cf\u8bc6\u522b\u7b49\u3002<\/p>\n<p>\u4eca\u5929\u5c31\u548c\u5927\u5bb6\u804a\u804aDSP\u7684\u9009\u578b\u548c\u5e94\u7528\uff0c\u5e0c\u671b\u80fd\u7ed9\u9700\u8981\u7528\u5230DSP\u7684\u670b\u53cb\u4e00\u4e9b\u53c2\u8003\u3002<\/p>\n<h2>1. DSP\u57fa\u7840\u6982\u5ff5\u4e0e\u7279\u70b9<\/h2>\n<h3>1.1 \u4ec0\u4e48\u662fDSP<\/h3>\n<p>DSP\u662f\u4e00\u79cd\u4e13\u95e8\u4e3a\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u800c\u8bbe\u8ba1\u7684\u5fae\u5904\u7406\u5668\u3002<\/p>\n<p>\u4e0e\u901a\u7528\u7684MCU\uff08\u5982STM32\uff09\u76f8\u6bd4\uff0cDSP\u5728\u5904\u7406\u5927\u91cf\u6570\u5b66\u8fd0\u7b97\u65f6\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002<\/p>\n<p>\u5b83\u7684\u786c\u4ef6\u67b6\u6784\u9488\u5bf9\u4e58\u6cd5\u3001\u52a0\u6cd5\u7b49\u8fd0\u7b97\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u901a\u5e38\u91c7\u7528\u54c8\u4f5b\u67b6\u6784\uff08\u7a0b\u5e8f\u5b58\u50a8\u5668\u548c\u6570\u636e\u5b58\u50a8\u5668\u5206\u79bb\uff09\uff0c\u80fd\u591f\u5728\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u5185\u5b8c\u6210\u591a\u6761\u6307\u4ee4\u7684\u6267\u884c\u3002<\/p>\n<p>\u5728\u6211\u65e9\u671f\u505a\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u65f6\uff0c\u66fe\u7ecf\u9047\u5230\u8fc7\u4e00\u4e2a\u53d1\u52a8\u673a\u566a\u97f3\u4e3b\u52a8\u964d\u566a\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5f53\u65f6\u4f7f\u7528\u666e\u901a\u7684ARM Cortex-M4\u5904\u7406\u97f3\u9891\u6570\u636e\u65f6\uff0cCPU\u5360\u7528\u7387\u7ecf\u5e38\u98d9\u523090%\u4ee5\u4e0a\uff0c\u5b9e\u65f6\u6027\u5f88\u5dee\u3002<\/p>\n<p>\u540e\u6765\u6362\u6210TI\u7684C2000\u7cfb\u5217DSP\u540e\uff0c\u540c\u6837\u7684\u7b97\u6cd5CPU\u5360\u7528\u7387\u964d\u5230\u4e8630%\u5de6\u53f3\uff0c\u6548\u679c\u7acb\u7aff\u89c1\u5f71\u3002<\/p>\n<h3>1.2 DSP\u7684\u6838\u5fc3\u7279\u70b9<\/h3>\n<p>DSP\u76f8\u6bd4\u666e\u901aMCU\u6709\u51e0\u4e2a\u663e\u8457\u7279\u70b9\u3002<\/p>\n<p>\u9996\u5148\u662f\u4e13\u7528\u7684\u786c\u4ef6\u4e58\u6cd5\u5668\uff0c\u53ef\u4ee5\u5728\u5355\u4e2a\u65f6\u949f\u5468\u671f\u5185\u5b8c\u6210\u4e58\u6cd5\u8fd0\u7b97\u3002<\/p>\n<p>\u5176\u6b21\u662f\u591a\u603b\u7ebf\u67b6\u6784\uff0c\u5141\u8bb8\u540c\u65f6\u8bbf\u95ee\u7a0b\u5e8f\u548c\u6570\u636e\u5b58\u50a8\u5668\u3002<\/p>\n<p>\u7b2c\u4e09\u662f\u4e13\u95e8\u7684\u5bfb\u5740\u6a21\u5f0f\uff0c\u6bd4\u5982\u5faa\u73af\u5bfb\u5740\u3001\u4f4d\u53cd\u5e8f\u5bfb\u5740\u7b49\uff0c\u8fd9\u4e9b\u5728FFT\u7b49\u7b97\u6cd5\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u7b2c\u56db\u662f\u4e30\u5bcc\u7684\u5916\u8bbe\u63a5\u53e3\uff0c\u7279\u522b\u662f\u9ad8\u901fADC\u3001PWM\u7b49\uff0c\u975e\u5e38\u9002\u5408\u7535\u673a\u63a7\u5236\u548c\u97f3\u9891\u5904\u7406\u3002<\/p>\n<p>\u4e3e\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\uff0c\u5728\u505a\u7535\u673aFOC\uff08\u78c1\u573a\u5b9a\u5411\u63a7\u5236\uff09\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684\u4e09\u89d2\u51fd\u6570\u8fd0\u7b97\u548c\u5750\u6807\u53d8\u6362\u3002<\/p>\n<p>\u5982\u679c\u7528STM32 F4\u7cfb\u5217\uff0c\u5373\u4f7f\u5f00\u542f\u4e86FPU\uff08\u6d6e\u70b9\u8fd0\u7b97\u5355\u5143\uff09\uff0c\u5904\u7406\u4e00\u6b21\u5b8c\u6574\u7684FOC\u5faa\u73af\u4e5f\u9700\u8981\u51e0\u5341\u5fae\u79d2\u3002<\/p>\n<p>\u800c\u4f7f\u7528TI\u7684C2000\u7cfb\u5217DSP\uff0c\u540c\u6837\u7684\u8fd0\u7b97\u53ef\u4ee5\u5728\u51e0\u5fae\u79d2\u5185\u5b8c\u6210\uff0c\u8fd9\u5bf9\u4e8e\u9ad8\u901f\u7535\u673a\u63a7\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>2. \u4e3b\u6d41DSP\u5382\u5546\u548c\u4ea7\u54c1\u7cfb\u5217<\/h2>\n<h3>2.1 \u5fb7\u5dde\u4eea\u5668\uff08TI\uff09<\/h3>\n<p>TI\u662fDSP\u9886\u57df\u7684\u8001\u5927\uff0c\u4ea7\u54c1\u7ebf\u975e\u5e38\u4e30\u5bcc\u3002<\/p>\n<p>C2000\u7cfb\u5217\u4e3b\u8981\u9762\u5411\u5b9e\u65f6\u63a7\u5236\u5e94\u7528\uff0c\u7279\u522b\u662f\u7535\u673a\u63a7\u5236\u3001\u6570\u5b57\u7535\u6e90\u7b49\u9886\u57df\u3002<\/p>\n<p>\u8fd9\u4e2a\u7cfb\u5217\u7684DSP\u96c6\u6210\u4e86\u9ad8\u7cbe\u5ea6PWM\u3001\u5feb\u901fADC\u7b49\u5916\u8bbe\uff0c\u975e\u5e38\u9002\u5408\u5de5\u4e1a\u63a7\u5236\u3002<\/p>\n<p>C5000\u7cfb\u5217\u5219\u4fa7\u91cd\u4e8e\u4f4e\u529f\u8017\u5e94\u7528\uff0c\u5e38\u7528\u4e8e\u4fbf\u643a\u5f0f\u97f3\u9891\u8bbe\u5907\u3001\u52a9\u542c\u5668\u7b49\u3002<\/p>\n<p>C6000\u7cfb\u5217\u662f\u9ad8\u6027\u80fdDSP\uff0c\u7528\u4e8e\u901a\u4fe1\u57fa\u7ad9\u3001\u533b\u7597\u5f71\u50cf\u7b49\u9700\u8981\u5927\u91cf\u6570\u636e\u5904\u7406\u7684\u573a\u5408\u3002<\/p>\n<p>\u6211\u5728\u505a\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u65f6\uff0c\u7528\u8fc7TI\u7684TMS320F28335\uff0c\u8fd9\u662fC2000\u7cfb\u5217\u7684\u7ecf\u5178\u578b\u53f7\u3002<\/p>\n<p>\u5b83\u7684\u4e3b\u9891150MHz\uff0c\u914d\u590712\u4f4dADC\uff0c\u8f6c\u6362\u65f6\u95f4\u53ea\u670980\u7eb3\u79d2\uff0c\u975e\u5e38\u9002\u5408\u5feb\u901f\u7684\u7535\u6d41\u91c7\u6837\u3002<\/p>\n<p>\u5f53\u65f6\u6211\u4eec\u7528\u5b83\u505a\u7535\u52a8\u52a9\u529b\u8f6c\u5411\u7cfb\u7edf\uff0c\u9700\u8981\u5b9e\u65f6\u91c7\u96c6\u7535\u673a\u7535\u6d41\u5e76\u8fdb\u884cFOC\u63a7\u5236\uff0c\u8fd9\u6b3eDSP\u5b8c\u5168\u80fd\u591f\u80dc\u4efb\u3002<\/p>\n<h3>2.2 ADI\uff08Analog Devices\uff09<\/h3>\n<p>ADI\u7684SHARC\u7cfb\u5217DSP\u5728\u97f3\u9891\u5904\u7406\u9886\u57df\u5f88\u6709\u540d\u6c14\u3002<\/p>\n<p>SHARC DSP\u91c7\u7528\u8d85\u6807\u91cf\u67b6\u6784\uff0c\u6d6e\u70b9\u8fd0\u7b97\u80fd\u529b\u5f3a\u5927\uff0c\u7279\u522b\u9002\u5408\u4e13\u4e1a\u97f3\u9891\u8bbe\u5907\u3001\u58f0\u5b66\u5904\u7406\u7b49\u5e94\u7528\u3002<\/p>\n<p>Blackfin\u7cfb\u5217\u5219\u662f\u5b9a\u70b9DSP\uff0c\u529f\u8017\u8f83\u4f4e\uff0c\u5e38\u7528\u4e8e\u89c6\u9891\u76d1\u63a7\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\u3002<\/p>\n<p>\u6211\u6709\u4e2a\u670b\u53cb\u5728\u505a\u4e13\u4e1a\u97f3\u54cd\u8bbe\u5907\uff0c\u4ed6\u4eec\u7528\u7684\u5c31\u662fADI\u7684ADSP-21489\uff0c\u8fd9\u662f\u4e00\u6b3e\u53cc\u6838SHARC DSP\uff0c\u4e3b\u9891450MHz\uff0c\u80fd\u591f\u540c\u65f6\u5904\u7406\u591a\u8def\u97f3\u9891\u4fe1\u53f7\uff0c\u5b9e\u73b0\u6df7\u54cd\u3001\u5747\u8861\u3001\u538b\u7f29\u7b49\u590d\u6742\u7684\u97f3\u9891\u6548\u679c\u3002<\/p>\n<h3>2.3 NXP\u548cST<\/h3>\n<p>NXP\u7684i.MX RT\u7cfb\u5217\u867d\u7136\u4e0d\u662f\u7eafDSP\uff0c\u4f46\u96c6\u6210\u4e86DSP\u534f\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5904\u7406\u4e00\u4e9b\u4e2d\u7b49\u590d\u6742\u5ea6\u7684\u4fe1\u53f7\u5904\u7406\u4efb\u52a1\u3002<\/p>\n<p>ST\u7684STM32H7\u7cfb\u5217\u4e5f\u7c7b\u4f3c\uff0c\u4e3b\u6838\u5fc3\u662fARM Cortex-M7\uff0c\u4f46\u6027\u80fd\u5df2\u7ecf\u8db3\u591f\u5e94\u5bf9\u5f88\u591aDSP\u4efb\u52a1\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u5982\u679c\u4fe1\u53f7\u5904\u7406\u9700\u6c42\u4e0d\u662f\u7279\u522b\u590d\u6742\uff0c\u6211\u901a\u5e38\u4f1a\u4f18\u5148\u8003\u8651STM32H7\u3002<\/p>\n<p>\u6bd4\u5982\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u97f3\u9891\u6ee4\u6ce2\u5668\uff0cSTM32H7\u5b8c\u5168\u591f\u7528\uff0c\u800c\u4e14\u5f00\u53d1\u5de5\u5177\u94fe\u66f4\u6210\u719f\uff0c\u8c03\u8bd5\u4e5f\u66f4\u65b9\u4fbf\u3002<\/p>\n<h2>3. DSP\u9009\u578b\u7684\u5173\u952e\u56e0\u7d20<\/h2>\n<h3>3.1 \u8fd0\u7b97\u6027\u80fd\u9700\u6c42<\/h3>\n<p>\u9009\u62e9DSP\u9996\u5148\u8981\u660e\u786e\u8fd0\u7b97\u6027\u80fd\u9700\u6c42\u3002<\/p>\n<p>\u8fd9\u5305\u62ec\u8fd0\u7b97\u7cbe\u5ea6\uff08\u5b9a\u70b9\u8fd8\u662f\u6d6e\u70b9\uff09\u3001\u8fd0\u7b97\u901f\u5ea6\uff08MIPS\u6216MFLOPS\uff09\u3001\u5b58\u50a8\u5668\u5bb9\u91cf\u7b49\u3002<\/p>\n<p>\u5b9a\u70b9DSP\u6210\u672c\u4f4e\u3001\u529f\u8017\u5c0f\uff0c\u4f46\u7cbe\u5ea6\u6709\u9650\uff0c\u9002\u5408\u5bf9\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u5408\u3002<\/p>\n<p>\u6d6e\u70b9DSP\u7cbe\u5ea6\u9ad8\u3001\u7f16\u7a0b\u65b9\u4fbf\uff0c\u4f46\u6210\u672c\u548c\u529f\u8017\u76f8\u5bf9\u8f83\u9ad8\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u6570\u5b57\u6ee4\u6ce2\u5668\uff0c\u91c7\u6837\u7387\u53ea\u6709\u51e0kHz\uff0c\u6570\u636e\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\uff0c\u90a3\u4e48\u5b9a\u70b9DSP\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n<p>\u4f46\u5982\u679c\u662f\u505a\u97f3\u9891\u7f16\u89e3\u7801\uff0c\u9700\u8981\u5904\u740644.1kHz\u6216\u66f4\u9ad8\u91c7\u6837\u7387\u7684\u97f3\u9891\uff0c\u800c\u4e14\u8981\u4fdd\u8bc1\u97f3\u8d28\uff0c\u90a3\u5c31\u9700\u8981\u6d6e\u70b9DSP\u3002<\/p>\n<p>\u5728\u6211\u505a\u8fc7\u7684\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a8\u9636IIR\u6ee4\u6ce2\u5668\uff0c\u91c7\u6837\u738710kHz\u3002<\/p>\n<p>\u6211\u4eec\u6700\u521d\u9009\u62e9\u4e86\u5b9a\u70b9DSP\uff0c\u4f46\u53d1\u73b0\u91cf\u5316\u8bef\u5dee\u5bfc\u81f4\u6ee4\u6ce2\u5668\u4e0d\u7a33\u5b9a\u3002<\/p>\n<p>\u540e\u6765\u6362\u6210\u6d6e\u70b9DSP\uff0c\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002<\/p>\n<p>\u8fd9\u4e2a\u6559\u8bad\u544a\u8bc9\u6211\uff0c\u9009\u578b\u65f6\u4e00\u5b9a\u8981\u5145\u5206\u8bc4\u4f30\u8fd0\u7b97\u7cbe\u5ea6\u9700\u6c42\u3002<\/p>\n<h3>3.2 \u5916\u8bbe\u63a5\u53e3\u8981\u6c42<\/h3>\n<p>DSP\u7684\u5916\u8bbe\u63a5\u53e3\u4e5f\u662f\u9009\u578b\u7684\u91cd\u8981\u8003\u8651\u56e0\u7d20\u3002<\/p>\n<p>\u5bf9\u4e8e\u7535\u673a\u63a7\u5236\u5e94\u7528\uff0c\u9700\u8981\u9ad8\u7cbe\u5ea6PWM\u3001\u5feb\u901fADC\u3001\u7f16\u7801\u5668\u63a5\u53e3\u7b49\u3002<\/p>\n<p>\u5bf9\u4e8e\u97f3\u9891\u5e94\u7528\uff0c\u9700\u8981I2S\u3001McASP\u7b49\u97f3\u9891\u63a5\u53e3\u3002\u5bf9\u4e8e\u901a\u4fe1\u5e94\u7528\uff0c\u9700\u8981\u9ad8\u901f\u4e32\u53e3\u3001\u4ee5\u592a\u7f51\u7b49\u3002<\/p>\n<p>\u4ee5TI\u7684C2000\u7cfb\u5217\u4e3a\u4f8b\uff0c\u5b83\u96c6\u6210\u4e86ePWM\u6a21\u5757\uff0c\u53ef\u4ee5\u4ea7\u751f\u9ad8\u7cbe\u5ea6\u7684PWM\u6ce2\u5f62\uff0c\u6b7b\u533a\u65f6\u95f4\u53ef\u4ee5\u7cbe\u786e\u5230\u7eb3\u79d2\u7ea7\u3002<\/p>\n<p>\u8fd9\u5bf9\u4e8e\u7535\u673a\u63a7\u5236\u548c\u6570\u5b57\u7535\u6e90\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u5b83\u8fd8\u96c6\u6210\u4e86eQEP\u6a21\u5757\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u589e\u91cf\u5f0f\u7f16\u7801\u5668\uff0c\u786c\u4ef6\u89e3\u7801\uff0c\u4e0d\u5360\u7528CPU\u8d44\u6e90\u3002<\/p>\n<p>\u6211\u5728\u505a\u4e00\u4e2a\u4e09\u76f8\u65e0\u5237\u7535\u673a\u63a7\u5236\u9879\u76ee\u65f6\uff0c\u5c31\u7528\u5230\u4e86TMS320F28069\u7684ePWM\u548ceQEP\u6a21\u5757\u3002<\/p>\n<p>ePWM\u53ef\u4ee5\u4ea7\u751f6\u8def\u4e92\u8865PWM\uff0c\u5e26\u6b7b\u533a\u4fdd\u62a4\uff0c\u76f4\u63a5\u9a71\u52a8\u4e09\u76f8\u9006\u53d8\u5668\u3002<\/p>\n<p>eQEP\u53ef\u4ee5\u8bfb\u53d6\u7f16\u7801\u5668\u4f4d\u7f6e\u548c\u901f\u5ea6\uff0c\u5b9e\u73b0\u95ed\u73af\u63a7\u5236\u3002<\/p>\n<p>\u8fd9\u4e9b\u786c\u4ef6\u5916\u8bbe\u5927\u5927\u7b80\u5316\u4e86\u8f6f\u4ef6\u5f00\u53d1\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u53ef\u9760\u6027\u3002<\/p>\n<h3>3.3 \u5f00\u53d1\u5de5\u5177\u548c\u751f\u6001\u7cfb\u7edf<\/h3>\n<p>\u5f00\u53d1\u5de5\u5177\u7684\u6613\u7528\u6027\u548c\u751f\u6001\u7cfb\u7edf\u7684\u5b8c\u5584\u7a0b\u5ea6\u4e5f\u5f88\u91cd\u8981\u3002<\/p>\n<p>TI\u7684Code Composer Studio\uff08CCS\uff09\u662f\u4e1a\u754c\u6bd4\u8f83\u6210\u719f\u7684DSP\u5f00\u53d1\u73af\u5883\uff0c\u652f\u6301C\/C++\u7f16\u7a0b\uff0c\u96c6\u6210\u4e86\u8c03\u8bd5\u5668\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177\u7b49\u3002<\/p>\n<p>ADI\u7684CrossCore Embedded Studio\u4e5f\u7c7b\u4f3c\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u8fd8\u8981\u8003\u8651\u662f\u5426\u6709\u4e30\u5bcc\u7684\u5e93\u51fd\u6570\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<p>TI\u63d0\u4f9b\u4e86ControlSUITE\uff0c\u5305\u542b\u5927\u91cf\u7684\u7535\u673a\u63a7\u5236\u3001\u6570\u5b57\u7535\u6e90\u7b49\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n<p>ADI\u4e5f\u6709\u7c7b\u4f3c\u7684\u8d44\u6e90\u3002\u8fd9\u4e9b\u8d44\u6e90\u53ef\u4ee5\u5927\u5927\u7f29\u77ed\u5f00\u53d1\u5468\u671f\u3002<\/p>\n<p>\u6211\u4e2a\u4eba\u6bd4\u8f83\u559c\u6b22TI\u7684\u5f00\u53d1\u73af\u5883\uff0c\u56e0\u4e3a\u5b83\u7684\u6587\u6863\u975e\u5e38\u8be6\u7ec6\uff0c\u793e\u533a\u4e5f\u5f88\u6d3b\u8dc3\u3002<\/p>\n<p>\u9047\u5230\u95ee\u9898\u65f6\uff0c\u901a\u5e38\u80fd\u5728TI\u7684E2E\u8bba\u575b\u4e0a\u627e\u5230\u7b54\u6848\u3002<\/p>\n<p>\u800c\u4e14TI\u63d0\u4f9b\u7684\u5e93\u51fd\u6570\u8d28\u91cf\u5f88\u9ad8\uff0c\u6bd4\u5982IQmath\u5e93\uff0c\u53ef\u4ee5\u7528\u5b9a\u70b9\u8fd0\u7b97\u6a21\u62df\u6d6e\u70b9\u8fd0\u7b97\uff0c\u65e2\u4fdd\u8bc1\u4e86\u7cbe\u5ea6\u53c8\u63d0\u9ad8\u4e86\u901f\u5ea6\u3002<\/p>\n<h3>3.4 \u6210\u672c\u548c\u4f9b\u8d27\u7a33\u5b9a\u6027<\/h3>\n<p>\u6210\u672c\u662f\u5546\u4e1a\u9879\u76ee\u5fc5\u987b\u8003\u8651\u7684\u56e0\u7d20\u3002<\/p>\n<p>DSP\u7684\u4ef7\u683c\u4ece\u51e0\u7f8e\u5143\u5230\u51e0\u767e\u7f8e\u5143\u4e0d\u7b49\uff0c\u8981\u6839\u636e\u9879\u76ee\u9884\u7b97\u9009\u62e9\u5408\u9002\u7684\u578b\u53f7\u3002<\/p>\n<p>\u540c\u65f6\u8981\u8003\u8651\u4f9b\u8d27\u7a33\u5b9a\u6027\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u91cf\u4ea7\u9879\u76ee\uff0c\u8981\u9009\u62e9\u751f\u547d\u5468\u671f\u957f\u3001\u4f9b\u8d27\u7a33\u5b9a\u7684\u578b\u53f7\u3002<\/p>\n<p>\u5728\u6c7d\u8f66\u7535\u5b50\u9886\u57df\uff0c\u4f9b\u8d27\u7a33\u5b9a\u6027\u5c24\u5176\u91cd\u8981\u3002\u6c7d\u8f66\u4ea7\u54c1\u7684\u751f\u547d\u5468\u671f\u901a\u5e38\u572810\u5e74\u4ee5\u4e0a\uff0c\u6240\u4ee5\u6211\u4eec\u9009\u62e9\u7684DSP\u5fc5\u987b\u4fdd\u8bc1\u957f\u671f\u4f9b\u8d27\u3002<\/p>\n<p>TI\u7684C2000\u7cfb\u5217\u5728\u8fd9\u65b9\u9762\u505a\u5f97\u4e0d\u9519\uff0c\u5f88\u591a\u578b\u53f7\u5df2\u7ecf\u4f9b\u8d27\u5341\u51e0\u5e74\u4e86\uff0c\u800c\u4e14\u627f\u8bfa\u4f1a\u7ee7\u7eed\u4f9b\u8d27\u3002<\/p>\n<h2>4. DSP\u7684\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<h3>4.1 \u7535\u673a\u63a7\u5236<\/h3>\n<p>\u7535\u673a\u63a7\u5236\u662fDSP\u6700\u5178\u578b\u7684\u5e94\u7528\u4e4b\u4e00\u3002<\/p>\n<p>\u73b0\u4ee3\u7535\u673a\u63a7\u5236\u7b97\u6cd5\uff0c\u5982FOC\u3001\u65e0\u4f20\u611f\u5668\u63a7\u5236\u7b49\uff0c\u9700\u8981\u5927\u91cf\u7684\u6570\u5b66\u8fd0\u7b97\u3002<\/p>\n<p>DSP\u7684\u9ad8\u901f\u8fd0\u7b97\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u63a5\u53e3\uff0c\u4f7f\u5176\u6210\u4e3a\u7535\u673a\u63a7\u5236\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<p>\u4ee5FOC\u7b97\u6cd5\u4e3a\u4f8b\uff0c\u5b83\u9700\u8981\u8fdb\u884cClarke\u53d8\u6362\u3001Park\u53d8\u6362\u3001PI\u63a7\u5236\u3001\u53cdPark\u53d8\u6362\u3001SVPWM\u7b49\u4e00\u7cfb\u5217\u8fd0\u7b97\u3002<\/p>\n<p>\u8fd9\u4e9b\u8fd0\u7b97\u6d89\u53ca\u5927\u91cf\u7684\u4e09\u89d2\u51fd\u6570\u548c\u77e9\u9635\u8fd0\u7b97\u3002<\/p>\n<p>\u5982\u679c\u7528\u666e\u901aMCU\uff0c\u5f88\u96be\u5728\u4e00\u4e2aPWM\u5468\u671f\u5185\u5b8c\u6210\u6240\u6709\u8fd0\u7b97\u3002\u800c\u7528DSP\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u51e0\u5341kHz\u7684\u63a7\u5236\u9891\u7387\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5316\u7684FOC\u63a7\u5236\u4ee3\u7801\u793a\u4f8b\uff08\u4f2a\u4ee3\u7801\uff09\uff1a<\/p>\n<pre><code class=\"c\">void FOC_Control(void)\n{\n    \/\/ \u8bfb\u53d6\u4e09\u76f8\u7535\u6d41\n    float Ia = ADC_ReadCurrent_A();\n    float Ib = ADC_ReadCurrent_B();\n    float Ic = ADC_ReadCurrent_C();\n    \n    \/\/ Clarke\u53d8\u6362\uff1aabc\u5750\u6807\u7cfb\u8f6c\u6362\u5230\u03b1\u03b2\u5750\u6807\u7cfb\n    float I_alpha = Ia;\n    float I_beta = (Ia + 2*Ib) \/ sqrt(3);\n    \n    \/\/ \u8bfb\u53d6\u8f6c\u5b50\u4f4d\u7f6e\n    float theta = Encoder_GetAngle();\n    \n    \/\/ Park\u53d8\u6362\uff1a\u03b1\u03b2\u5750\u6807\u7cfb\u8f6c\u6362\u5230dq\u5750\u6807\u7cfb\n    float Id = I_alpha * cos(theta) + I_beta * sin(theta);\n    float Iq = -I_alpha * sin(theta) + I_beta * cos(theta);\n    \n    \/\/ PI\u63a7\u5236\n    float Vd = PI_Controller_D(Id_ref - Id);\n    float Vq = PI_Controller_Q(Iq_ref - Iq);\n    \n    \/\/ \u53cdPark\u53d8\u6362\uff1adq\u5750\u6807\u7cfb\u8f6c\u6362\u5230\u03b1\u03b2\u5750\u6807\u7cfb\n    float V_alpha = Vd * cos(theta) - Vq * sin(theta);\n    float V_beta = Vd * sin(theta) + Vq * cos(theta);\n    \n    \/\/ SVPWM\u8c03\u5236\n    SVPWM_Modulation(V_alpha, V_beta);\n}<\/code><\/pre>\n<p>\u5728\u5b9e\u9645\u7684DSP\u4ee3\u7801\u4e2d\uff0c\u8fd9\u4e9b\u4e09\u89d2\u51fd\u6570\u8fd0\u7b97\u53ef\u4ee5\u901a\u8fc7\u67e5\u8868\u6cd5\u6216\u8005\u786c\u4ef6\u52a0\u901f\u6765\u5b9e\u73b0\uff0c\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/p>\n<h3>4.2 \u97f3\u9891\u5904\u7406<\/h3>\n<p>\u97f3\u9891\u5904\u7406\u662fDSP\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u5e94\u7528\u9886\u57df\u3002<\/p>\n<p>\u5305\u62ec\u97f3\u9891\u7f16\u89e3\u7801\u3001\u97f3\u6548\u5904\u7406\u3001\u964d\u566a\u3001\u56de\u58f0\u6d88\u9664\u7b49\u3002<\/p>\n<p>\u8fd9\u4e9b\u5e94\u7528\u9700\u8981\u5904\u7406\u5927\u91cf\u7684\u97f3\u9891\u6570\u636e\uff0c\u800c\u4e14\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u5f88\u9ad8\u3002<\/p>\n<p>\u6211\u66fe\u7ecf\u53c2\u4e0e\u8fc7\u4e00\u4e2a\u8f66\u8f7d\u97f3\u54cd\u9879\u76ee\uff0c\u9700\u8981\u5b9e\u73b0\u4e3b\u52a8\u964d\u566a\u529f\u80fd\u3002<\/p>\n<p>\u539f\u7406\u662f\u901a\u8fc7\u9ea6\u514b\u98ce\u91c7\u96c6\u73af\u5883\u566a\u97f3\uff0c\u7ecf\u8fc7DSP\u5904\u7406\u540e\uff0c\u4ea7\u751f\u53cd\u76f8\u58f0\u6ce2\u6765\u62b5\u6d88\u566a\u97f3\u3002<\/p>\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u5728\u51e0\u6beb\u79d2\u5185\u5b8c\u6210\uff0c\u5426\u5219\u964d\u566a\u6548\u679c\u4f1a\u5927\u6253\u6298\u6263\u3002<\/p>\n<p>\u97f3\u9891\u5904\u7406\u7684\u5178\u578b\u7b97\u6cd5\u5305\u62ecFIR\u6ee4\u6ce2\u5668\u3001IIR\u6ee4\u6ce2\u5668\u3001FFT\u7b49\u3002<\/p>\n<p>DSP\u5bf9\u8fd9\u4e9b\u7b97\u6cd5\u90fd\u6709\u5f88\u597d\u7684\u652f\u6301\u3002<\/p>\n<p>\u6bd4\u5982TI\u7684C5000\u7cfb\u5217\uff0c\u4e13\u95e8\u9488\u5bf9\u97f3\u9891\u5e94\u7528\u4f18\u5316\uff0c\u63d0\u4f9b\u4e86\u4e13\u7528\u7684\u97f3\u9891\u5904\u7406\u5e93\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684FIR\u6ee4\u6ce2\u5668\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"c\">#define FILTER_LENGTH 64\n\nfloat fir_coeffs[FILTER_LENGTH] = {\n    \/\/ \u6ee4\u6ce2\u5668\u7cfb\u6570\n    0.001, 0.002, 0.003, ...\n};\n\nfloat fir_buffer[FILTER_LENGTH] = {0};\nint buffer_index = 0;\n\nfloat FIR_Filter(float input)\n{\n    float output = 0;\n    \n    \/\/ \u66f4\u65b0\u7f13\u51b2\u533a\n    fir_buffer[buffer_index] = input;\n    buffer_index = (buffer_index + 1) % FILTER_LENGTH;\n    \n    \/\/ \u5377\u79ef\u8fd0\u7b97\n    for(int i = 0; i &lt; FILTER_LENGTH; i++)\n    {\n        int index = (buffer_index - i + FILTER_LENGTH) % FILTER_LENGTH;\n        output += fir_coeffs[i] * fir_buffer[index];\n    }\n    \n    return output;\n}<\/code><\/pre>\n<p>\u5728DSP\u4e0a\uff0c\u8fd9\u4e2a\u5faa\u73af\u53ef\u4ee5\u901a\u8fc7\u786c\u4ef6\u52a0\u901f\u6216\u8005SIMD\u6307\u4ee4\u6765\u4f18\u5316\uff0c\u5927\u5927\u63d0\u9ad8\u8fd0\u7b97\u901f\u5ea6\u3002<\/p>\n<h3>4.3 \u56fe\u50cf\u5904\u7406<\/h3>\n<p>\u56fe\u50cf\u5904\u7406\u4e5f\u662fDSP\u7684\u91cd\u8981\u5e94\u7528\u3002<\/p>\n<p>\u5305\u62ec\u56fe\u50cf\u589e\u5f3a\u3001\u8fb9\u7f18\u68c0\u6d4b\u3001\u56fe\u50cf\u538b\u7f29\u7b49\u3002\u8fd9\u4e9b\u5e94\u7528\u9700\u8981\u5904\u7406\u5927\u91cf\u7684\u50cf\u7d20\u6570\u636e\uff0c\u8fd0\u7b97\u91cf\u975e\u5e38\u5927\u3002<\/p>\n<p>\u5728\u5de5\u4e1a\u89c6\u89c9\u68c0\u6d4b\u9879\u76ee\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5b9e\u65f6\u5904\u7406\u6444\u50cf\u5934\u91c7\u96c6\u7684\u56fe\u50cf\u3002<\/p>\n<p>\u6bd4\u5982\u68c0\u6d4b\u4ea7\u54c1\u7f3a\u9677\u3001\u8bc6\u522b\u4e8c\u7ef4\u7801\u7b49\u3002\u8fd9\u4e9b\u4efb\u52a1\u5982\u679c\u7528\u666e\u901aMCU\uff0c\u5904\u7406\u901f\u5ea6\u4f1a\u5f88\u6162\u3002<\/p>\n<p>\u800c\u7528DSP\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u5904\u7406\u3002<\/p>\n<p>\u56fe\u50cf\u5904\u7406\u7684\u5178\u578b\u7b97\u6cd5\u5305\u62ec\u5377\u79ef\u3001\u5f62\u6001\u5b66\u8fd0\u7b97\u3001\u970d\u592b\u53d8\u6362\u7b49\u3002<\/p>\n<p>\u8fd9\u4e9b\u7b97\u6cd5\u90fd\u6d89\u53ca\u5927\u91cf\u7684\u77e9\u9635\u8fd0\u7b97\uff0c\u975e\u5e38\u9002\u5408DSP\u5904\u7406\u3002<\/p>\n<h3>4.4 \u901a\u4fe1\u4fe1\u53f7\u5904\u7406<\/h3>\n<p>\u5728\u901a\u4fe1\u9886\u57df\uff0cDSP\u7528\u4e8e\u8c03\u5236\u89e3\u8c03\u3001\u4fe1\u9053\u7f16\u89e3\u7801\u3001\u4fe1\u53f7\u68c0\u6d4b\u7b49\u3002<\/p>\n<p>\u6bd4\u5982\u57284G\/5G\u57fa\u7ad9\u4e2d\uff0c\u9700\u8981\u5904\u7406\u5927\u91cf\u7684\u65e0\u7ebf\u4fe1\u53f7\uff0c\u8fdb\u884cOFDM\u8c03\u5236\u89e3\u8c03\u3001\u4fe1\u9053\u4f30\u8ba1\u3001\u5747\u8861\u7b49\u64cd\u4f5c\u3002<\/p>\n<p>\u8fd9\u4e9b\u90fd\u9700\u8981\u9ad8\u6027\u80fd\u7684DSP\u6765\u5b8c\u6210\u3002<\/p>\n<p>\u867d\u7136\u6211\u6ca1\u6709\u76f4\u63a5\u505a\u8fc7\u901a\u4fe1\u9879\u76ee\uff0c\u4f46\u5728\u6c7d\u8f66\u7535\u5b50\u9879\u76ee\u4e2d\u4e5f\u63a5\u89e6\u8fc7CAN\u603b\u7ebf\u7684\u4fe1\u53f7\u5904\u7406\u3002<\/p>\n<p>CAN\u603b\u7ebf\u7684\u4f4d\u65f6\u5e8f\u68c0\u6d4b\u3001\u9519\u8bef\u68c0\u6d4b\u7b49\uff0c\u867d\u7136\u4e0d\u5982\u65e0\u7ebf\u901a\u4fe1\u590d\u6742\uff0c\u4f46\u4e5f\u9700\u8981\u7cbe\u786e\u7684\u65f6\u5e8f\u63a7\u5236\u3002<\/p>\n<h2>5. DSP\u5f00\u53d1\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n<h3>5.1 \u5b9a\u70b9\u8fd0\u7b97\u7684\u6280\u5de7<\/h3>\n<p>\u5982\u679c\u4f7f\u7528\u5b9a\u70b9DSP\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u6570\u503c\u7cbe\u5ea6\u548c\u6ea2\u51fa\u95ee\u9898\u3002<\/p>\n<p>\u5b9a\u70b9\u8fd0\u7b97\u9700\u8981\u7a0b\u5e8f\u5458\u624b\u52a8\u7ba1\u7406\u5c0f\u6570\u70b9\u4f4d\u7f6e\uff0c\u7a0d\u4e0d\u6ce8\u610f\u5c31\u4f1a\u51fa\u73b0\u7cbe\u5ea6\u635f\u5931\u6216\u8005\u6ea2\u51fa\u3002<\/p>\n<p>TI\u63d0\u4f9b\u7684IQmath\u5e93\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u5de5\u5177\uff0c\u5b83\u7528\u6574\u6570\u8fd0\u7b97\u6a21\u62df\u6d6e\u70b9\u8fd0\u7b97\uff0c\u65e2\u4fdd\u8bc1\u4e86\u7cbe\u5ea6\u53c8\u63d0\u9ad8\u4e86\u901f\u5ea6\u3002<\/p>\n<p>\u4f7f\u7528IQmath\u5e93\u65f6\uff0c\u9700\u8981\u5b9a\u4e49\u6570\u636e\u7684Q\u683c\u5f0f\uff0c\u6bd4\u5982Q15\u8868\u793a1\u4f4d\u7b26\u53f7\u4f4d\u300115\u4f4d\u5c0f\u6570\u4f4d\u3002<\/p>\n<pre><code class=\"c\">\/\/ \u4f7f\u7528IQmath\u5e93\u7684\u793a\u4f8b\n#include &quot;IQmathLib.h&quot;\n\n_iq value1 = _IQ(1.5);      \/\/ \u5b9a\u4e49\u4e00\u4e2aIQ\u683c\u5f0f\u7684\u6570\uff0c\u503c\u4e3a1.5\n_iq value2 = _IQ(2.3);\n_iq result = _IQmpy(value1, value2);  \/\/ IQ\u683c\u5f0f\u7684\u4e58\u6cd5\nfloat result_float = _IQtoF(result);  \/\/ \u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570<\/code><\/pre>\n<h3>5.2 \u4f18\u5316\u4ee3\u7801\u6027\u80fd<\/h3>\n<p>DSP\u5f00\u53d1\u4e2d\uff0c\u4ee3\u7801\u4f18\u5316\u975e\u5e38\u91cd\u8981\u3002\u8981\u5145\u5206\u5229\u7528DSP\u7684\u786c\u4ef6\u7279\u6027\uff0c\u6bd4\u5982\u786c\u4ef6\u4e58\u6cd5\u5668\u3001\u5faa\u73af\u7f13\u51b2\u533a\u3001DMA\u7b49\u3002<\/p>\n<p>\u7f16\u8bd1\u5668\u7684\u4f18\u5316\u9009\u9879\u4e5f\u8981\u5408\u7406\u8bbe\u7f6e\uff0c\u901a\u5e38\u5efa\u8bae\u4f7f\u7528O2\u6216O3\u4f18\u5316\u7ea7\u522b\u3002<\/p>\n<p>\u5728\u7f16\u5199\u5173\u952e\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6c47\u7f16\u8bed\u8a00\u6216\u8005\u7f16\u8bd1\u5668\u7684\u5185\u5efa\u51fd\u6570\uff08intrinsic\uff09\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>\u6bd4\u5982TI\u7684DSP\u652f\u6301\u5f88\u591a\u5185\u5efa\u51fd\u6570\uff0c\u53ef\u4ee5\u76f4\u63a5\u6620\u5c04\u5230\u786c\u4ef6\u6307\u4ee4\u3002<\/p>\n<pre><code class=\"c\">\/\/ \u4f7f\u7528\u5185\u5efa\u51fd\u6570\u7684\u793a\u4f8b\n#include &lt;c6x.h&gt;\n\nint a = 10, b = 20;\nint sum = _add2(a, b);  \/\/ \u4f7f\u7528\u5185\u5efa\u51fd\u6570\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97<\/code><\/pre>\n<h3>5.3 \u5b9e\u65f6\u6027\u4fdd\u8bc1<\/h3>\n<p>DSP\u5e94\u7528\u901a\u5e38\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u5f88\u9ad8\uff0c\u9700\u8981\u4fdd\u8bc1\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u5b8c\u6210\u8fd0\u7b97\u3002<\/p>\n<p>\u8fd9\u5c31\u8981\u6c42\u7a0b\u5e8f\u5458\u5408\u7406\u5b89\u6392\u4efb\u52a1\u4f18\u5148\u7ea7\uff0c\u907f\u514d\u4e2d\u65ad\u5d4c\u5957\u8fc7\u6df1\uff0c\u5408\u7406\u4f7f\u7528DMA\u6765\u51cf\u8f7bCPU\u8d1f\u62c5\u3002<\/p>\n<p>\u5728\u6211\u505a\u7535\u673a\u63a7\u5236\u9879\u76ee\u65f6\uff0cFOC\u63a7\u5236\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u662f\u6700\u9ad8\u7684\uff0c\u5fc5\u987b\u5728\u6bcf\u4e2aPWM\u5468\u671f\u5185\u5b8c\u6210\u3002<\/p>\n<p>\u5176\u4ed6\u4efb\u52a1\uff0c\u5982\u901a\u4fe1\u3001\u663e\u793a\u7b49\uff0c\u4f18\u5148\u7ea7\u8f83\u4f4e\uff0c\u53ef\u4ee5\u5728\u7a7a\u95f2\u65f6\u95f4\u6267\u884c\u3002<\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u63a7\u5236\u7b97\u6cd5\u7684\u5b9e\u65f6\u6027\u3002<\/p>\n<h3>5.4 \u8c03\u8bd5\u6280\u5de7<\/h3>\n<p>DSP\u8c03\u8bd5\u76f8\u5bf9\u590d\u6742\uff0c\u7279\u522b\u662f\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u3002<\/p>\n<p>CCS\u63d0\u4f9b\u4e86\u5f88\u591a\u8c03\u8bd5\u5de5\u5177\uff0c\u5982\u5b9e\u65f6\u89c2\u5bdf\u7a97\u53e3\u3001\u56fe\u5f62\u663e\u793a\u7b49\u3002<\/p>\n<p>\u53ef\u4ee5\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u89c2\u5bdf\u53d8\u91cf\u7684\u53d8\u5316\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u6211\u4e2a\u4eba\u6bd4\u8f83\u559c\u6b22\u7528CCS\u7684Graph\u529f\u80fd\uff0c\u53ef\u4ee5\u5b9e\u65f6\u7ed8\u5236\u6ce2\u5f62\u3002<\/p>\n<p>\u6bd4\u5982\u5728\u8c03\u8bd5FOC\u7b97\u6cd5\u65f6\uff0c\u53ef\u4ee5\u5b9e\u65f6\u89c2\u5bdf\u7535\u6d41\u6ce2\u5f62\u3001\u901f\u5ea6\u66f2\u7ebf\u7b49\uff0c\u76f4\u89c2\u5730\u770b\u5230\u63a7\u5236\u6548\u679c\u3002<\/p>\n<h2>6. \u603b\u7ed3\u4e0e\u5c55\u671b<\/h2>\n<p>DSP\u4f5c\u4e3a\u4e13\u7528\u7684\u4fe1\u53f7\u5904\u7406\u5668\uff0c\u5728\u7535\u673a\u63a7\u5236\u3001\u97f3\u9891\u5904\u7406\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\u6709\u7740\u4e0d\u53ef\u66ff\u4ee3\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u9009\u62e9\u5408\u9002\u7684DSP\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u8fd0\u7b97\u6027\u80fd\u3001\u5916\u8bbe\u63a5\u53e3\u3001\u5f00\u53d1\u5de5\u5177\u3001\u6210\u672c\u7b49\u591a\u4e2a\u56e0\u7d20\u3002<\/p>\n<p>\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0cDSP\u548cMCU\u7684\u754c\u9650\u8d8a\u6765\u8d8a\u6a21\u7cca\u3002<\/p>\n<p>\u73b0\u5728\u5f88\u591a\u9ad8\u6027\u80fdMCU\uff0c\u5982STM32H7\u3001i.MX RT\u7cfb\u5217\uff0c\u5df2\u7ecf\u5177\u5907\u4e86\u76f8\u5f53\u5f3a\u7684\u4fe1\u53f7\u5904\u7406\u80fd\u529b\u3002<\/p>\n<p>\u5bf9\u4e8e\u4e2d\u7b49\u590d\u6742\u5ea6\u7684\u5e94\u7528\uff0c\u8fd9\u4e9bMCU\u5b8c\u5168\u53ef\u4ee5\u80dc\u4efb\u3002<\/p>\n<p>\u4f46\u5bf9\u4e8e\u9ad8\u6027\u80fd\u3001\u9ad8\u5b9e\u65f6\u6027\u7684\u5e94\u7528\uff0c\u4e13\u7528DSP\u4ecd\u7136\u662f\u6700\u4f73\u9009\u62e9\u3002<\/p>\n<p>\u4ece\u6211\u4e2a\u4eba\u7684\u7ecf\u9a8c\u6765\u770b\uff0c\u5982\u679c\u9879\u76ee\u9884\u7b97\u5145\u8db3\uff0c\u5bf9\u6027\u80fd\u8981\u6c42\u9ad8\uff0c\u5efa\u8bae\u9009\u62e9\u4e13\u7528DSP\u3002<\/p>\n<p>\u5982\u679c\u9884\u7b97\u6709\u9650\uff0c\u6216\u8005\u4fe1\u53f7\u5904\u7406\u9700\u6c42\u4e0d\u662f\u7279\u522b\u590d\u6742\uff0c\u53ef\u4ee5\u8003\u8651\u9ad8\u6027\u80fdMCU\u3002<\/p>\n<p>\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6848\uff0c\u90fd\u8981\u5145\u5206\u8bc4\u4f30\u9700\u6c42\uff0c\u505a\u597d\u6280\u672f\u9a8c\u8bc1\uff0c\u786e\u4fdd\u9009\u578b\u7684\u6b63\u786e\u6027\u3002<\/p>\n<p>\u6700\u540e\uff0cDSP\u5f00\u53d1\u76f8\u5bf9\u590d\u6742\uff0c\u9700\u8981\u624e\u5b9e\u7684\u6570\u5b66\u57fa\u7840\u548c\u4e30\u5bcc\u7684\u5b9e\u8df5\u7ecf\u9a8c\u3002<\/p>\n<p>\u5efa\u8bae\u521d\u5b66\u8005\u4ece\u7b80\u5355\u7684\u5e94\u7528\u5165\u624b\uff0c\u9010\u6b65\u6df1\u5165\u3002TI\u3001ADI\u7b49\u5382\u5546\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5b66\u4e60\u8d44\u6e90\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u53ef\u4ee5\u591a\u52a0\u5229\u7528\u3002<\/p>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff0c\u5728DSP\u9009\u578b\u548c\u5e94\u7528\u4e2d\u5c11\u8d70\u5f2f\u8def\u3002<\/p>\n<p><strong>\u66f4\u591a\u7f16\u7a0b\u5b66\u4e60\u8d44\u6e90<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=%2FAt%2Bdsiqf9oiIacuTfIEqw%3D%3D.7v0axRHvRvBzBT1oQZcG1I41zH0LKQArXiLBRBI001bcpaF11AF6wTHHFjIrTZ5DCZpEXE7Ljp5QlPSxoPb3iQ%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C\u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026\u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=Tvoul47OsBOdldh3WL%2B4cQ%3D%3D.g7tNu8KaYnuG4AaXV0UYlgQRZlYRPDkcEjAZmVQM%2BddbPYvGmlD1%2Fpdf3BQY623IJ7XNjJL9OKicUt%2FGGd%2Fe4Q%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32\u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026\u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=5mdgbXEKmWTDIei5v5kcOw%3D%3D.MeBhOOjPq4GveR1L86YSbcZM578ByIaMgedu79csaVya1rj6EUyONZ3ZeF1WNfV%2BJ2qFRNWohkMm%2Fsfu0ymylhMd5OP2eQ2YbzfPOkhevBk%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">FreeRTOS\u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026\u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=g%2BSlb79oDREhxVS4Sf6RIQ%3D%3D.oB4zpXDng0v6AkJjAfqt9avBHK5Y42aZDPz4YAAsDsZUhiIpXBB2g2dAb%2BaWWl9UoQfWnL1AB5vUVnC4F9I%2FHw%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C++ \u96f6\u57fa\u7840\u5165\u95e8\u7535\u5b50\u4e66-2026\u6700\u65b0\u7248<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=IxVAXa%2B4WJs4mYUmYXM0vA%3D%3D.NP8GHDCgum%2FPOBSN9GGOTcrrOcIsQmM%2B5eS%2BhoWJH6wv4nt9Vx49EjM3bLUk1n%2Bz9RUHCjVnjtDVc7RlKKVitg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">51\u5355\u7247\u673a\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=Gk4xWRafJRGY5AewbU2n9g%3D%3D.Xle3tzwPML2U6NomxaSz1mpbKpagzoo9ElDyMt%2BlEU6L77R054c9BY%2Fc2BF0VPteHjq3fFgyiIjYfNkPBamj7A%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">AD\u753b\u677f\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=GSAoxAbW3mDzOMNnkRiCdQ%3D%3D.S4RDFHnTw9q8zcD9yh5RyvDKrKW68LNdKve2rmfDgzaWoLFtO%2BAs82LpRkrBqn7tnNEvkTs8SCbONryEmYVQgA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C\u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=76Hbbvxu9H2WtWSEfeCNCA%3D%3D.ggJ6wXbFAVThxhE6r6Y0TH5x%2FvZgMXAD9dLVvNW9R8o%2By%2FgIgBJjjdaA9HZFiqKo7u%2BVlEf7S3RKki1VMCXUQA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">C++\u8bed\u8a00\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=WP%2BozHOipwR5mXmvUmk0Zg%3D%3D.qgKPH9mq9IYBwBgsq9h9suO0smTQaHuD1twMDmz7zurnEiu9zuMnv3kOM1CziDSVgSaZGwAKmjROddgm7T6NeAbwj4n31ZZewk3XElJxigk%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">ESP32\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=3kvF5jwol2viEQmrE6Cz1g%3D%3D.xdKUnme%2FxNArFJNeN4X2%2F%2FlhA8P87MCI21GFgyNfCB4NnOi40Iog4ZF745xNlQSPrcTrGifczrxXl4gyDfDJIgZZu8m3XLnROseQwyxepvA%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">FreeRTOS\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=n7l9ThLqD7lZu8E3FuC3Pw%3D%3D.9SFputa1HH1PNDKnoW1zepCq1rxqkoD8MaN6wAYqmJqeJ1uqB%2FX22gDSP%2Bm7P2agQHx0Ku2v6Oqc8jk%2BRko%2F2q10zF2sQF5Z9z3Pl8FrntI%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Linux\u5e94\u7528\u5f00\u53d1\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=1G08Et5vYVUW2C7Gm3eUUQ%3D%3D.ZOUHlvwgJ4RNhTQft0m7AfStl5uBFhlYXLLMHn96qoeZ41LKv98TYNjbPzr%2Fg05o3Vh40oM58yVBWopoMvGqJeXoRRFXh1LKwGqRpqD%2Bpus%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Linux\u5e95\u5c42\u5f00\u53d1\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=qztSf7nI3skJfPglzyWrJw%3D%3D.ySvN0uB3XymzWNU5Cr%2F6hb38Eijsd73mRI%2BqUpSzkynVjeFCFvcFzsAJJvoICAsN%2FZ3PDkEpIfEf2xQom4IHyA%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">LVGL\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=O0uHS04YqCuoNB0DdzW6kg%3D%3D.d98kkBDy7lVBStfP2N2VcPI8mz1yt5QK5hn1dTb34YEgaI5IfQko4BvrysEVVVFKm0rdJZTLjdEKND8RdRiRrg%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">QT\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=rqmRxSCGNH93IdxHfT0WIg%3D%3D.0csI7%2BRyv07BcVqod6s44cokJjC1AyMAsNGc1F2JMjA9KEvVyS7C8Zl1HRVuiH9juYiDrZnIY9cgfPSl1V0MGQ2YNOxgR0u9s4Uyi%2Fc4Xz8%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">STM32\u96f6\u57fa\u7840\u5165\u95e8\u5b66\u4e60\u8def\u7ebf<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047585780\">https:\/\/segmentfault.com\/a\/1190000047585780<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u826f\u8bb8\u3002 \u5728\u5d4c\u5165\u5f0f\u5f00\u53d1\u9886\u57df\uff0cDSP\uff08Digital Signal Processor\uff0c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021232","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021232"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021232\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}