{"id":400,"date":"2025-02-22T14:22:24","date_gmt":"2025-02-22T06:22:24","guid":{"rendered":"\/?p=400"},"modified":"2025-11-11T16:29:23","modified_gmt":"2025-11-11T08:29:23","slug":"stm32","status":"publish","type":"post","link":"\/?p=400","title":{"rendered":"Stm32"},"content":{"rendered":"\n

\u7cfb\u7edf\u6846\u67b6<\/h2>\n\n\n\n
<\/object>STM32\u56fa\u4ef6\u5e93\u4f7f\u7528\u624b\u518c(\u4e2d\u6587\u7248)<\/a>\u4e0b\u8f7d<\/a><\/div>\n\n\n\n
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\u4f7f\u7528\u6807\u6ce8\u5e93<\/h2>\n\n\n\n

\u52a0\u5165\u542f\u52a8\u6587\u4ef6<\/h3>\n\n\n\n
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\u6dfb\u52a0\u6587\u4ef6\u8def\u5f84<\/h3>\n\n\n\n
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\u521b\u5efamain\u51fd\u6570<\/h3>\n\n\n\n
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\u6dfb\u52a0\u6807\u6ce8\u5e93<\/h3>\n\n\n\n
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GPIO\u8f93\u5165\u8f93\u51fa<\/h2>\n\n\n\n
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\u6309\u952e\u6d88\u6296<\/h2>\n\n\n\n
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\u4e2d\u65ad<\/h2>\n\n\n\n
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\u8bbe\u7f6e\u987a\u5e8f\u4e3a\uff1aRCC-AFIO-EXTI-NVIC<\/strong><\/p>\n\n\n\n

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\u6bcf\u4e2a\u4e2d\u65ad\u51fd\u6570\u90fd\u6709\u56fa\u5b9a\u7684\u4e2d\u65ad\u540d\u79f0<\/strong><\/p>\n\n\n\n

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\u89e6\u53d1\u4e00\u4e2a\u4e2d\u65ad\u90fd\u4f1a\u7f6e\u4e3a\u4e00\u4e2a\u4e2d\u65ad\u6807\u5fd7<\/strong><\/p>\n\n\n\n

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\u5b9a\u65f6\u5668<\/h2>\n\n\n\n
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RCCAPB1->\u9009\u62e9\u5185\u90e8\u65f6\u949f->\u65f6\u57fa\u5355\u5143->\u4e2d\u65ad\u63a7\u5236ITconfig->NVIC->\u8fd0\u884c\u63a7\u5236cmd<\/p>\n\n\n\n

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T= 1\/f<\/p>\n\n\n\n

72MHz\/7200=10kHz=10000Hz\uff0c\u53bb\u5012\u6570\u5f97\u5230\u65f6\u95f4(\u4e00\u6b21\u5c31\u662f0.0001s)\uff0c\u8bb010000\u6b21\uff0c\u5c31\u662f1s<\/p>\n\n\n\n

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\u8ddf\u5916\u90e8\u4e2d\u65ad\u4e00\u6837\u6bcf\u4e2a\u65f6\u95f4\u51fd\u6570\u90fd\u6709\u56fa\u5b9a\u7684\u540d\u79f0<\/p>\n\n\n\n

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\u6bd4\u8f83\u6a21\u5f0f\uff08PWM\uff09OC<\/h2>\n\n\n\n
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RCCAPB1->\u9009\u62e9\u5185\u90e8\u65f6\u949f->\u65f6\u57fa\u5355\u5143->CCR->GPIO->cmd\u542f\u52a8<\/p>\n\n\n\n

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\u5728\u7ebf\u8bbe\u7f6eCCR\u7684\u5bc4\u5b58\u503c\u9700\u8981\u901a\u8fc7TIM_SetCompare\u6765\u4fee\u6539<\/strong><\/p>\n\n\n\n

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\u6b63\u8f6c\u7531\u5feb\u5230\u6162\u53cd\u8f6c\u7531\u6162\u5230\u5feb<\/strong><\/p>\n\n\n\n

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GPIO\u53e3\u7684\u8f93\u51fa\u6a21\u5f0f\u8981\u9009\u62e9\u590d\u7528\u63a8\u633d\u8f93\u51fa\u6a21\u5f0f<\/strong><\/p>\n\n\n\n

\u5f15\u811a\u91cd\u6620\u5c04<\/h2>\n\n\n\n
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\u8f93\u5165\u6355\u83b7IC<\/h2>\n\n\n\n
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GPIO->IC\u6355\u83b7\u5355\u5143->\u65f6\u57fa\u5355\u5143->\u4ece\u6a21\u5f0f\u89e6\u53d1\u6e90\u9009\u62e9->\u4ece\u6a21\u5f0f\u8bbe\u7f6e->cmd\u542f\u52a8<\/p>\n\n\n\n

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\u7f16\u7801\u5668<\/h2>\n\n\n\n
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GPIO->IC->encod\u7f16\u7801\u5668->\u65f6\u57fa\u5355\u5143->cmd\u542f\u52a8<\/p>\n\n\n\n

cnt\u8ba1\u6570\u7531\u7f16\u7801\u5668\u63a7\u5236\u4e0d\u9700\u8981\u5f00\u542fTim3\u65f6\u949f\u53caTIM_InternalClockConfig<\/p>\n\n\n\n

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ADC\u6570\u6a21\u8f6c\u6362<\/h2>\n\n\n\n
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GPIO->ADC->ADC\u65f6\u949f\u5206\u9891->ADC\u901a\u9053\u9009\u62e9\u548c\u91c7\u6837\u65f6\u95f4->ADCInit\u6a21\u5f0f\u914d\u7f6e->ADCcmd<\/p>\n\n\n\n

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DMA\u6570\u636e\u8f6c\u8fd0<\/h2>\n\n\n\n
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AHB->DMAInit->AMDcmd<\/p>\n\n\n\n

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DMA\u548cADC\u591a\u901a\u9053\u6570\u636e\u8f6c\u8fd0<\/h3>\n\n\n\n
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\u901a\u8baf\u63a5\u53e3<\/h2>\n\n\n\n

https:\/\/blog.csdn.net\/qq_52608074\/article\/details\/122297014<\/a><\/p>\n\n\n\n

\u4e32\u53e3\u901a\u8baf<\/h3>\n\n\n\n
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GPIO->USARTInit->CMD<\/p>\n\n\n\n

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CRT\u6d41\u63a7<\/p>\n\n\n\n

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\u91cd\u5b9a\u4e49fputc\u51fd\u6570->printf\u5e95\u5c42\u51fd\u6570\u4f7f\u5176\u8f93\u51fa\u5230tx\u7aef\u53e3<\/p>\n\n\n\n

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\u4e2d\u6587\u7f16\u8bd1\u62a5\u9519<\/p>\n\n\n\n

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--no-multibyte-chars<\/code><\/pre>\n\n\n\n
\u63a5\u53d7\u5b57\u7b26\u4e32\uff08\u624b\u52a8\u63a5\u6536\uff09<\/p>\n\n\n\n
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\u81ea\u52a8\u4e2d\u65ad\u63a5\u6536<\/p>\n\n\n\n
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\u63a5\u6536\u5305\u6570\u636e<\/p>\n\n\n\n
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I2C<\/h2>\n\n\n\n
<\/p>\n\n\n\n
\u7b2c\u4e00\u4e2a\u4f20\u8f93\u6570\u636e\u8981\u4e3a\u63a5\u53d7\u65b9\u7684id+\u4e00\u4e2a\u8bfb\u5199\u4f4d<\/p>\n\n\n\n
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\u7b2c\u4e8c\u4e2a\u6570\u636e\u53ef\u4ee5\u4e3a\u6307\u9488\u4f4d<\/p>\n\n\n\n
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MPU6050<\/h3>\n\n\n\n
#ifndef __MPU6050_RAG_H\n#define __MPU6050_RAG_H\n\n#define\tMPU6050_SMPLRT_DIV\t\t0x19\n#define\tMPU6050_CONFIG\t\t\t0x1A\n#define\tMPU6050_GYRO_CONFIG\t\t0x1B\n#define\tMPU6050_ACCEL_CONFIG\t0x1C\n\n#define\tMPU6050_ACCEL_XOUT_H\t0x3B\n#define\tMPU6050_ACCEL_XOUT_L\t0x3C\n#define\tMPU6050_ACCEL_YOUT_H\t0x3D\n#define\tMPU6050_ACCEL_YOUT_L\t0x3E\n#define\tMPU6050_ACCEL_ZOUT_H\t0x3F\n#define\tMPU6050_ACCEL_ZOUT_L\t0x40\n#define\tMPU6050_TEMP_OUT_H\t\t0x41\n#define\tMPU6050_TEMP_OUT_L\t\t0x42\n#define\tMPU6050_GYRO_XOUT_H\t\t0x43\n#define\tMPU6050_GYRO_XOUT_L\t\t0x44\n#define\tMPU6050_GYRO_YOUT_H\t\t0x45\n#define\tMPU6050_GYRO_YOUT_L\t\t0x46\n#define\tMPU6050_GYRO_ZOUT_H\t\t0x47\n#define\tMPU6050_GYRO_ZOUT_L\t\t0x48\n\n#define\tMPU6050_PWR_MGMT_1\t\t0x6B\n#define\tMPU6050_PWR_MGMT_2\t\t0x6C\n#define\tMPU6050_WHO_AM_I\t\t0x75\n\n#endif\n<\/code><\/pre>\n\n\n\n
\u5bc4\u5b58\u5668\u5730\u5740\u200b<\/strong>\u200b<\/th>\u200b\u200b\u5bc4\u5b58\u5668\u540d\u79f0\u200b<\/strong>\u200b<\/th>\u200b\u200b\u5173\u952e\u53c2\u6570\u200b<\/strong>\u200b<\/th>\u200b\u200b\u5178\u578b\u914d\u7f6e\u503c\u200b<\/strong>\u200b<\/th>\u200b\u200b\u4f5c\u7528\u200b<\/strong>\u200b<\/th><\/tr><\/thead>
\u200b\u200b0x6B\u200b<\/strong>\u200b<\/td>PWR_MGMT_1<\/td>CLKSEL[2:0]<\/code>\uff08\u65f6\u949f\u6e90\uff09\u3001SLEEP<\/code>\uff08\u4f11\u7720\u6a21\u5f0f\uff09\u3001DEVICE_RESET<\/code>\uff08\u590d\u4f4d\uff09<\/td>\u200b\u200b0x01\u200b<\/strong>\u200b<\/td>\u89e3\u9664\u4f11\u7720\u6a21\u5f0f\uff0c\u9009\u62e9X\u8f74\u9640\u87baPLL\u65f6\u949f\u6e90<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u200b\u200b0x19\u200b<\/strong>\u200b<\/td>SMPLRT_DIV<\/td>\u91c7\u6837\u5206\u9891\u56e0\u5b50\uff08\u53d6\u503c\u8303\u56f40-255\uff09<\/td>\u200b\u200b0x07\u200b<\/strong>\u200b<\/td>\u91c7\u6837\u7387=1kHz\/(1+7)=125Hz<\/td><\/tr>
\u200b\u200b0x1A\u200b<\/strong>\u200b<\/td>CONFIG<\/td>DLPF_CFG[2:0]<\/code>\uff08\u6570\u5b57\u4f4e\u901a\u6ee4\u6ce2\u5668\u5e26\u5bbd\uff09<\/td>\u200b\u200b0x03\u200b<\/strong>\u200b<\/td>\u8bbe\u7f6e\u4f4e\u901a\u6ee4\u6ce2\u5668\u5e26\u5bbd\u4e3a5Hz\uff0c\u5ef6\u8fdf19ms<\/td><\/tr>
\u200b\u200b0x1B\u200b<\/strong>\u200b<\/td>GYRO_CONFIG<\/td>FS_SEL[1:0]<\/code>\uff08\u9640\u87ba\u4eea\u91cf\u7a0b\uff1a00=\u00b1250\u00b0\/s\uff0c10=\u00b11000\u00b0\/s\uff09<\/td>\u200b\u200b0x10\u200b<\/strong>\u200b<\/td>\u8bbe\u7f6e\u9640\u87ba\u4eea\u91cf\u7a0b\u4e3a\u00b11000\u00b0\/s\uff08\u7075\u654f\u5ea632.8 LSB\/\u00b0\/s\uff09<\/td><\/tr>
\u200b\u200b0x1C\u200b<\/strong>\u200b<\/td>ACCEL_CONFIG<\/td>AFS_SEL[1:0]<\/code>\uff08\u52a0\u901f\u5ea6\u8ba1\u91cf\u7a0b\uff1a00=\u00b12g\uff0c01=\u00b14g\uff09<\/td>\u200b\u200b0x08\u200b<\/strong>\u200b<\/td>\u8bbe\u7f6e\u52a0\u901f\u5ea6\u8ba1\u91cf\u7a0b\u4e3a\u00b14g\uff08\u7075\u654f\u5ea68192 LSB\/g\uff09<\/td><\/tr>
\u200b\u200b0x3B-0x48\u200b<\/strong>\u200b<\/td>\u6570\u636e\u5bc4\u5b58\u5668<\/td>\u52a0\u901f\u5ea6\u8ba1\uff080x3B-0x40\uff09\u3001\u9640\u87ba\u4eea\uff080x43-0x48\uff09<\/td>–<\/td>\u5b58\u50a816\u4f4d\u539f\u59cb\u6570\u636e\uff08\u9ad8\u5b57\u8282\u5728\u524d\uff0c\u4f4e\u5b57\u8282\u5728\u540e\uff09<\/td><\/tr>
\u200b\u200b0x75\u200b<\/strong>\u200b<\/td>WHO_AM_I<\/td>\u56fa\u5b9a\u8fd4\u56de\u503c0x68<\/code><\/td>–<\/td>\u9a8c\u8bc1\u8bbe\u5907\u8fde\u63a5\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
SPI\u901a\u4fe1<\/h2>\n\n\n\n
https:\/\/blog.csdn.net\/qq_52608074\/article\/details\/122297014<\/a><\/p>\n\n\n\n
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CAN\u901a\u8baf<\/h2>\n\n\n\n
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0\u5e27+ID+\u8bfb\u5199\u5e27+\uff08\u6269\u5c55\u683c\u5f0f\uff09+\u53d1\u9001\u6570\u636e\u957f\u5ea6+\u6570\u636e+CRC\u6821\u9a8c+\u6709\u6ca1\u6709\u4eba\u63a5\u6536<\/strong><\/p>\n\n\n\n
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PWR-BKP-\u5907\u4efd\u5bc4\u5b58\u5668<\/h2>\n\n\n\n
\u5907\u4efd\u5bc4\u5b58\u5668\u7531<\/p>\n\n\n\n
Vbat\u5f15\u811a\u4e3a\u5907\u7528\u7535\u6e90\u7ef4\u6301\u5907\u4efd\u533a\u57df\u4f9b\u7535<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
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RTC\u65f6\u949f<\/h2>\n\n\n\n
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\u72ec\u7acb\u770b\u95e8\u72d7-\u7a97\u53e3\u770b\u95e8\u72d7<\/h2>\n\n\n\n
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\"\"<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"
\u7cfb\u7edf\u6846\u67b6 \u4f7f\u7528\u6807\u6ce8\u5e93 \u52a0\u5165\u542f\u52a8\u6587\u4ef6 \u6dfb\u52a0\u6587\u4ef6\u8def\u5f84 \u521b\u5efamain\u51fd\u6570 \u6dfb\u52a0\u6807\u6ce8\u5e93 GPIO\u8f93\u5165\u8f93\u51fa \u6309\u952e\u6d88\u6296 \u4e2d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-400","post","type-post","status-publish","format-standard","hentry","category-31"],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/400"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=400"}],"version-history":[{"count":62,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/400\/revisions"}],"predecessor-version":[{"id":942,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/400\/revisions\/942"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=400"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}