2.1 \u786c\u4ef6\u51c6\u5907<\/h5>\n\n- STM32F407 \u5f00\u53d1\u677f：\u9009\u62e9\u4e00\u6b3e\u57fa\u4e8e STM32F407 \u7684\u5f00\u53d1\u677f，\u5982\u6b63\u70b9\u539f\u5b50\u7684\u63a2\u7d22\u8005 STM32F407 \u5f00\u53d1\u677f\u3002<\/li>\n
- USB \u6570\u636e\u7ebf：\u7528\u4e8e\u8fde\u63a5\u5f00\u53d1\u677f\u548c\u8ba1\u7b97\u673a\u3002<\/li>\n<\/ul>\n
2.2 \u8f6f\u4ef6\u51c6\u5907<\/h5>\n\n- Keil MDK：\u4e00\u6b3e\u4e13\u4e1a\u7684 ARM \u5fae\u63a7\u5236\u5668\u5f00\u53d1\u5de5\u5177，\u7528\u4e8e\u7f16\u5199\u3001\u7f16\u8bd1\u548c\u8c03\u8bd5\u4ee3\u7801\u3002<\/li>\n
- STM32CubeMX：ST \u5b98\u65b9\u63d0\u4f9b\u7684\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177，\u53ef\u7528\u4e8e\u5feb\u901f\u751f\u6210 STM32 \u9879\u76ee\u7684\u521d\u59cb\u5316\u4ee3\u7801\u3002<\/li>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027dd6c339.png\")
<\/li>\n<\/ul>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027ddee2b2.png\")
\u00a0<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011406-681027deee579.png\")
<\/p>\n
\u70b9\u51fb\u751f\u6210\u4ee3\u7801；<\/p>\n
\u6ce8\u610f\u51e0\u5904\u9700\u8981\u4fee\u6539\u7684\u5730\u65b9：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011407-681027dfa4f29.png\")
\u00a0<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011407-681027dff4029.png\")
\u00a0<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011408-681027e052d00.png\")
\u00a0<\/p>\n
3. USB \u865a\u62df\u4e32\u53e3\u539f\u7406<\/h4>\n3.1 USB \u534f\u8bae\u57fa\u7840<\/h5>\n
USB（Universal Serial Bus）\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u603b\u7ebf\u6807\u51c6，\u5177\u6709\u9ad8\u901f\u3001\u53ef\u9760\u3001\u6613\u7528\u7b49\u7279\u70b9\u3002USB \u534f\u8bae\u5b9a\u4e49\u4e86\u8bbe\u5907\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u65b9\u5f0f，\u5305\u62ec\u8bbe\u5907\u679a\u4e3e\u3001\u6570\u636e\u4f20\u8f93\u7b49\u8fc7\u7a0b\u3002<\/p>\n
3.2 CDC \u7c7b\u534f\u8bae<\/h5>\n
CDC（Communication Device Class）\u662f USB \u534f\u8bae\u4e2d\u7684\u4e00\u79cd\u8bbe\u5907\u7c7b，\u4e13\u95e8\u7528\u4e8e\u5b9e\u73b0\u865a\u62df\u4e32\u53e3\u901a\u4fe1\u3002CDC \u7c7b\u534f\u8bae\u5b9a\u4e49\u4e86\u4e24\u4e2a\u63a5\u53e3：\u901a\u4fe1\u63a5\u53e3（Communication Interface）\u548c\u6570\u636e\u63a5\u53e3（Data Interface）\u3002\u901a\u4fe1\u63a5\u53e3\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u63a7\u5236\u547d\u4ee4，\u6570\u636e\u63a5\u53e3\u7528\u4e8e\u4f20\u8f93\u5b9e\u9645\u7684\u6570\u636e\u3002<\/p>\n
3.3 \u6570\u636e\u4f20\u8f93\u8fc7\u7a0b<\/h5>\n<\/p>\n4.2 \u6570\u636e\u63a5\u6536\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Receive_FS\u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
\n{
\n \/* USER CODE BEGIN 6 *\/
\n USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
\n USBD_CDC_ReceivePacket(&hUsbDeviceFS);
\n \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e
\n for (uint32_t i = 0; i < *Len; i++)
\n {
\n \/\/ \u8fd9\u91cc\u53ef\u4ee5\u6dfb\u52a0\u5177\u4f53\u7684\u6570\u636e\u5904\u7406\u903b\u8f91
\n \/\/ \u4f8b\u5982\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u539f\u6837\u53d1\u9001\u56de\u53bb
\n CDC_Transmit_FS(&Buf[i], 1);
\n }
\n return (USBD_OK);
\n \/* USER CODE END 6 *\/
\n}<\/p>\n
4.3 \u6570\u636e\u53d1\u9001\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Transmit_FS\u51fd\u6570，\u7528\u4e8e\u53d1\u9001\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len)
\n{
\n uint8_t result = USBD_OK;
\n \/* USER CODE BEGIN 7 *\/
\n USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*)hUsbDeviceFS.pClassData;
\n if (hcdc->TxState != 0)
\n {
\n return USBD_BUSY;
\n }
\n USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len);
\n result = USBD_CDC_TransmitPacket(&hUsbDeviceFS);
\n \/* USER CODE END 7 *\/
\n return result;
\n}<\/p>\n
4.4 \u4e3b\u51fd\u6570\u4ee3\u7801<\/h5>\n
\u5728main.c\u6587\u4ef6\u4e2d，\u9700\u8981\u5bf9 USB \u8bbe\u5907\u8fdb\u884c\u521d\u59cb\u5316，\u5e76\u542f\u52a8\u6570\u636e\u63a5\u6536\u3002\u4ee5\u4e0b\u662f\u4e3b\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
5. \u4ee3\u7801\u7f16\u8bd1\u4e0e\u4e0b\u8f7d<\/h4>\n5.1 \u4ee3\u7801\u7f16\u8bd1<\/h5>\n
\u6253\u5f00 Keil MDK，\u5bfc\u5165 STM32CubeMX \u751f\u6210\u7684\u9879\u76ee\u4ee3\u7801\u3002\u5728 Keil MDK \u4e2d\u8fdb\u884c\u7f16\u8bd1，\u786e\u4fdd\u4ee3\u7801\u6ca1\u6709\u9519\u8bef\u548c\u8b66\u544a\u3002<\/p>\n
5.2 \u4ee3\u7801\u4e0b\u8f7d<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u4f7f\u7528 ST-Link \u6216 J-Link \u7b49\u8c03\u8bd5\u5668\u5c06\u7f16\u8bd1\u597d\u7684\u4ee3\u7801\u4e0b\u8f7d\u5230\u5f00\u53d1\u677f\u4e2d\u3002<\/p>\n
6. \u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/h4>\n6.1 \u8ba1\u7b97\u673a\u7aef\u8f6f\u4ef6\u51c6\u5907<\/h5>\n
\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u5982\u4e32\u53e3\u8c03\u8bd5\u7cbe\u7075\u3001SSCOM \u7b49\u3002<\/p>\n
6.2 \u8bbe\u5907\u8bc6\u522b<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u8ba1\u7b97\u673a\u5e94\u8be5\u80fd\u591f\u8bc6\u522b\u51fa\u4e00\u4e2a\u65b0\u7684\u4e32\u53e3\u8bbe\u5907\u3002<\/p>\n
6.3 \u6570\u636e\u6536\u53d1\u6d4b\u8bd5<\/h5>\n
\u6253\u5f00\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u9009\u62e9\u8bc6\u522b\u5230\u7684\u4e32\u53e3，\u8bbe\u7f6e\u6ce2\u7279\u7387\u4e3a 115200（USB \u865a\u62df\u4e32\u53e3\u7684\u6ce2\u7279\u7387\u4e0d\u5f71\u54cd\u5b9e\u9645\u901a\u4fe1\u901f\u5ea6）\u3002\u5728\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u4e2d\u53d1\u9001\u6570\u636e，\u5f00\u53d1\u677f\u5e94\u8be5\u80fd\u591f\u63a5\u6536\u5230\u6570\u636e\u5e76\u5c06\u5176\u539f\u6837\u53d1\u9001\u56de\u53bb\u3002<\/p>\n
7. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h4>\n7.1 \u8bbe\u5907\u65e0\u6cd5\u8bc6\u522b<\/h5>\n<\/p>\n7.2 \u6570\u636e\u6536\u53d1\u5f02\u5e38<\/h5>\n<\/p>\n8. \u6269\u5c55\u529f\u80fd<\/h4>\n8.1 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406<\/h5>\n
\u5728CDC_Receive_FS\u51fd\u6570\u4e2d\u6dfb\u52a0\u66f4\u590d\u6742\u7684\u6570\u636e\u89e3\u6790\u903b\u8f91，\u4f8b\u5982\u89e3\u6790\u7279\u5b9a\u7684\u547d\u4ee4\u683c\u5f0f，\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd\u3002<\/p>\n
8.2 \u591a\u7ebf\u7a0b\u5904\u7406<\/h5>\n
\u4f7f\u7528 STM32 \u7684 RTOS（\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf），\u5982 FreeRTOS，\u5c06\u6570\u636e\u63a5\u6536\u548c\u5904\u7406\u4efb\u52a1\u5206\u914d\u5230\u4e0d\u540c\u7684\u7ebf\u7a0b\u4e2d，\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
9. \u603b\u7ed3<\/h4>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4，\u4f60\u53ef\u4ee5\u57fa\u4e8e STM32F407 HAL \u5e93\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002USB \u865a\u62df\u4e32\u53e3\u4e3a STM32 \u5f00\u53d1\u677f\u4e0e\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u3001\u9ad8\u6548\u7684\u65b9\u5f0f，\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u7528\u9014\u3002<\/p>\n<\/p>\n
- \u8bbe\u5907\u679a\u4e3e：\u5f53 STM32 \u5f00\u53d1\u677f\u901a\u8fc7 USB \u8fde\u63a5\u5230\u8ba1\u7b97\u673a\u65f6，\u8ba1\u7b97\u673a\u4f1a\u5bf9\u8bbe\u5907\u8fdb\u884c\u679a\u4e3e，\u83b7\u53d6\u8bbe\u5907\u7684\u63cf\u8ff0\u7b26\u4fe1\u606f，\u786e\u5b9a\u8bbe\u5907\u7684\u7c7b\u578b\u548c\u529f\u80fd\u3002<\/li>\n
- \u5efa\u7acb\u901a\u4fe1：\u679a\u4e3e\u5b8c\u6210\u540e，\u8ba1\u7b97\u673a\u548c STM32 \u5f00\u53d1\u677f\u4e4b\u95f4\u5efa\u7acb\u8d77 USB \u901a\u4fe1\u8fde\u63a5\u3002<\/li>\n
- \u6570\u636e\u4f20\u8f93：\u901a\u8fc7 CDC \u7c7b\u534f\u8bae，\u8ba1\u7b97\u673a\u53ef\u4ee5\u5411 STM32 \u5f00\u53d1\u677f\u53d1\u9001\u6570\u636e，\u4e5f\u53ef\u4ee5\u63a5\u6536 STM32 \u5f00\u53d1\u677f\u53d1\u9001\u7684\u6570\u636e\u3002
\n4. \u4ee3\u7801\u5b9e\u73b0<\/h4>\n4.1 \u751f\u6210\u7684\u4ee3\u7801\u7ed3\u6784<\/h5>\n
\u4f7f\u7528 STM32CubeMX \u751f\u6210\u7684\u4ee3\u7801\u5305\u542b\u4e86 USB \u865a\u62df\u4e32\u53e3\u7684\u57fa\u672c\u6846\u67b6，\u4e3b\u8981\u6587\u4ef6\u6709：<\/p>\n<\/li>\n
- usbd_cdc_if.c：\u5b9e\u73b0\u4e86 CDC \u7c7b\u63a5\u53e3\u7684\u56de\u8c03\u51fd\u6570，\u8d1f\u8d23\u5904\u7406\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/li>\n
- usbd_cdc.c：\u5b9e\u73b0\u4e86 CDC \u7c7b\u7684\u6838\u5fc3\u529f\u80fd，\u5305\u62ec\u8bbe\u5907\u679a\u4e3e\u3001\u63a7\u5236\u547d\u4ee4\u5904\u7406\u7b49\u3002<\/li>\n
- usbd_core.c：\u5b9e\u73b0\u4e86 USB \u8bbe\u5907\u7684\u6838\u5fc3\u529f\u80fd，\u5305\u62ec\u8bbe\u5907\u521d\u59cb\u5316\u3001\u6570\u636e\u4f20\u8f93\u7b49\u3002<\/li>\n
- \u68c0\u67e5\u786c\u4ef6\u8fde\u63a5：\u786e\u4fdd USB \u6570\u636e\u7ebf\u8fde\u63a5\u6b63\u5e38，\u5f00\u53d1\u677f\u7684\u7535\u6e90\u6b63\u5e38\u3002<\/li>\n
- \u68c0\u67e5 USB \u9a71\u52a8：\u5728\u8bbe\u5907\u7ba1\u7406\u5668\u4e2d\u67e5\u770b\u662f\u5426\u6709\u672a\u8bc6\u522b\u7684\u8bbe\u5907，\u5c1d\u8bd5\u66f4\u65b0 USB \u9a71\u52a8\u3002<\/li>\n
- \u68c0\u67e5\u4ee3\u7801\u903b\u8f91：\u786e\u4fddCDC_Receive_FS\u548cCDC_Transmit_FS\u51fd\u6570\u7684\u5b9e\u73b0\u6b63\u786e\u3002<\/li>\n
- \u68c0\u67e5\u7f13\u51b2\u533a\u5927\u5c0f：\u786e\u4fdd\u6570\u636e\u7f13\u51b2\u533a\u8db3\u591f\u5927，\u907f\u514d\u6570\u636e\u6ea2\u51fa\u3002<\/li>\n
\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002<\/p>\n","protected":false},"author":2,"featured_media":34226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,2890,270,269],"topic":[],"class_list":["post-34232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-stm32","tag-stm32-hal","tag-270","tag-269"],"yoast_head":"\n
STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/34232.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/34232.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-29T01:14:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027dd6c339.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/34232.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/34232.html\",\"name\":\"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - 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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/34232.html","og_locale":"zh_CN","og_type":"article","og_title":"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/34232.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-29T01:14:09+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027dd6c339.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/34232.html","url":"https:\/\/www.wsisp.com\/helps\/34232.html","name":"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - 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2.2 \u8f6f\u4ef6\u51c6\u5907<\/h5>\n\n- Keil MDK：\u4e00\u6b3e\u4e13\u4e1a\u7684 ARM \u5fae\u63a7\u5236\u5668\u5f00\u53d1\u5de5\u5177，\u7528\u4e8e\u7f16\u5199\u3001\u7f16\u8bd1\u548c\u8c03\u8bd5\u4ee3\u7801\u3002<\/li>\n
- STM32CubeMX：ST \u5b98\u65b9\u63d0\u4f9b\u7684\u56fe\u5f62\u5316\u914d\u7f6e\u5de5\u5177，\u53ef\u7528\u4e8e\u5feb\u901f\u751f\u6210 STM32 \u9879\u76ee\u7684\u521d\u59cb\u5316\u4ee3\u7801\u3002<\/li>\n
- <\/li>\n<\/ul>\n
\u00a0<\/p>\n
<\/p>\n
\u70b9\u51fb\u751f\u6210\u4ee3\u7801；<\/p>\n
\u6ce8\u610f\u51e0\u5904\u9700\u8981\u4fee\u6539\u7684\u5730\u65b9：<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
3. USB \u865a\u62df\u4e32\u53e3\u539f\u7406<\/h4>\n3.1 USB \u534f\u8bae\u57fa\u7840<\/h5>\n
USB（Universal Serial Bus）\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u603b\u7ebf\u6807\u51c6，\u5177\u6709\u9ad8\u901f\u3001\u53ef\u9760\u3001\u6613\u7528\u7b49\u7279\u70b9\u3002USB \u534f\u8bae\u5b9a\u4e49\u4e86\u8bbe\u5907\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u65b9\u5f0f，\u5305\u62ec\u8bbe\u5907\u679a\u4e3e\u3001\u6570\u636e\u4f20\u8f93\u7b49\u8fc7\u7a0b\u3002<\/p>\n
3.2 CDC \u7c7b\u534f\u8bae<\/h5>\n
CDC（Communication Device Class）\u662f USB \u534f\u8bae\u4e2d\u7684\u4e00\u79cd\u8bbe\u5907\u7c7b，\u4e13\u95e8\u7528\u4e8e\u5b9e\u73b0\u865a\u62df\u4e32\u53e3\u901a\u4fe1\u3002CDC \u7c7b\u534f\u8bae\u5b9a\u4e49\u4e86\u4e24\u4e2a\u63a5\u53e3：\u901a\u4fe1\u63a5\u53e3（Communication Interface）\u548c\u6570\u636e\u63a5\u53e3（Data Interface）\u3002\u901a\u4fe1\u63a5\u53e3\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u63a7\u5236\u547d\u4ee4，\u6570\u636e\u63a5\u53e3\u7528\u4e8e\u4f20\u8f93\u5b9e\u9645\u7684\u6570\u636e\u3002<\/p>\n
3.3 \u6570\u636e\u4f20\u8f93\u8fc7\u7a0b<\/h5>\n<\/p>\n4.2 \u6570\u636e\u63a5\u6536\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Receive_FS\u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
\n{
\n \/* USER CODE BEGIN 6 *\/
\n USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
\n USBD_CDC_ReceivePacket(&hUsbDeviceFS);
\n \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e
\n for (uint32_t i = 0; i < *Len; i++)
\n {
\n \/\/ \u8fd9\u91cc\u53ef\u4ee5\u6dfb\u52a0\u5177\u4f53\u7684\u6570\u636e\u5904\u7406\u903b\u8f91
\n \/\/ \u4f8b\u5982\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u539f\u6837\u53d1\u9001\u56de\u53bb
\n CDC_Transmit_FS(&Buf[i], 1);
\n }
\n return (USBD_OK);
\n \/* USER CODE END 6 *\/
\n}<\/p>\n
4.3 \u6570\u636e\u53d1\u9001\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Transmit_FS\u51fd\u6570，\u7528\u4e8e\u53d1\u9001\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len)
\n{
\n uint8_t result = USBD_OK;
\n \/* USER CODE BEGIN 7 *\/
\n USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*)hUsbDeviceFS.pClassData;
\n if (hcdc->TxState != 0)
\n {
\n return USBD_BUSY;
\n }
\n USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len);
\n result = USBD_CDC_TransmitPacket(&hUsbDeviceFS);
\n \/* USER CODE END 7 *\/
\n return result;
\n}<\/p>\n
4.4 \u4e3b\u51fd\u6570\u4ee3\u7801<\/h5>\n
\u5728main.c\u6587\u4ef6\u4e2d，\u9700\u8981\u5bf9 USB \u8bbe\u5907\u8fdb\u884c\u521d\u59cb\u5316，\u5e76\u542f\u52a8\u6570\u636e\u63a5\u6536\u3002\u4ee5\u4e0b\u662f\u4e3b\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
5. \u4ee3\u7801\u7f16\u8bd1\u4e0e\u4e0b\u8f7d<\/h4>\n5.1 \u4ee3\u7801\u7f16\u8bd1<\/h5>\n
\u6253\u5f00 Keil MDK，\u5bfc\u5165 STM32CubeMX \u751f\u6210\u7684\u9879\u76ee\u4ee3\u7801\u3002\u5728 Keil MDK \u4e2d\u8fdb\u884c\u7f16\u8bd1，\u786e\u4fdd\u4ee3\u7801\u6ca1\u6709\u9519\u8bef\u548c\u8b66\u544a\u3002<\/p>\n
5.2 \u4ee3\u7801\u4e0b\u8f7d<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u4f7f\u7528 ST-Link \u6216 J-Link \u7b49\u8c03\u8bd5\u5668\u5c06\u7f16\u8bd1\u597d\u7684\u4ee3\u7801\u4e0b\u8f7d\u5230\u5f00\u53d1\u677f\u4e2d\u3002<\/p>\n
6. \u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/h4>\n6.1 \u8ba1\u7b97\u673a\u7aef\u8f6f\u4ef6\u51c6\u5907<\/h5>\n
\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u5982\u4e32\u53e3\u8c03\u8bd5\u7cbe\u7075\u3001SSCOM \u7b49\u3002<\/p>\n
6.2 \u8bbe\u5907\u8bc6\u522b<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u8ba1\u7b97\u673a\u5e94\u8be5\u80fd\u591f\u8bc6\u522b\u51fa\u4e00\u4e2a\u65b0\u7684\u4e32\u53e3\u8bbe\u5907\u3002<\/p>\n
6.3 \u6570\u636e\u6536\u53d1\u6d4b\u8bd5<\/h5>\n
\u6253\u5f00\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u9009\u62e9\u8bc6\u522b\u5230\u7684\u4e32\u53e3，\u8bbe\u7f6e\u6ce2\u7279\u7387\u4e3a 115200（USB \u865a\u62df\u4e32\u53e3\u7684\u6ce2\u7279\u7387\u4e0d\u5f71\u54cd\u5b9e\u9645\u901a\u4fe1\u901f\u5ea6）\u3002\u5728\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u4e2d\u53d1\u9001\u6570\u636e，\u5f00\u53d1\u677f\u5e94\u8be5\u80fd\u591f\u63a5\u6536\u5230\u6570\u636e\u5e76\u5c06\u5176\u539f\u6837\u53d1\u9001\u56de\u53bb\u3002<\/p>\n
7. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h4>\n7.1 \u8bbe\u5907\u65e0\u6cd5\u8bc6\u522b<\/h5>\n<\/p>\n7.2 \u6570\u636e\u6536\u53d1\u5f02\u5e38<\/h5>\n<\/p>\n8. \u6269\u5c55\u529f\u80fd<\/h4>\n8.1 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406<\/h5>\n
\u5728CDC_Receive_FS\u51fd\u6570\u4e2d\u6dfb\u52a0\u66f4\u590d\u6742\u7684\u6570\u636e\u89e3\u6790\u903b\u8f91，\u4f8b\u5982\u89e3\u6790\u7279\u5b9a\u7684\u547d\u4ee4\u683c\u5f0f，\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd\u3002<\/p>\n
8.2 \u591a\u7ebf\u7a0b\u5904\u7406<\/h5>\n
\u4f7f\u7528 STM32 \u7684 RTOS（\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf），\u5982 FreeRTOS，\u5c06\u6570\u636e\u63a5\u6536\u548c\u5904\u7406\u4efb\u52a1\u5206\u914d\u5230\u4e0d\u540c\u7684\u7ebf\u7a0b\u4e2d，\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
9. \u603b\u7ed3<\/h4>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4，\u4f60\u53ef\u4ee5\u57fa\u4e8e STM32F407 HAL \u5e93\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002USB \u865a\u62df\u4e32\u53e3\u4e3a STM32 \u5f00\u53d1\u677f\u4e0e\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u3001\u9ad8\u6548\u7684\u65b9\u5f0f，\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u7528\u9014\u3002<\/p>\n<\/p>\n
- \u8bbe\u5907\u679a\u4e3e：\u5f53 STM32 \u5f00\u53d1\u677f\u901a\u8fc7 USB \u8fde\u63a5\u5230\u8ba1\u7b97\u673a\u65f6，\u8ba1\u7b97\u673a\u4f1a\u5bf9\u8bbe\u5907\u8fdb\u884c\u679a\u4e3e，\u83b7\u53d6\u8bbe\u5907\u7684\u63cf\u8ff0\u7b26\u4fe1\u606f，\u786e\u5b9a\u8bbe\u5907\u7684\u7c7b\u578b\u548c\u529f\u80fd\u3002<\/li>\n
- \u5efa\u7acb\u901a\u4fe1：\u679a\u4e3e\u5b8c\u6210\u540e，\u8ba1\u7b97\u673a\u548c STM32 \u5f00\u53d1\u677f\u4e4b\u95f4\u5efa\u7acb\u8d77 USB \u901a\u4fe1\u8fde\u63a5\u3002<\/li>\n
- \u6570\u636e\u4f20\u8f93：\u901a\u8fc7 CDC \u7c7b\u534f\u8bae，\u8ba1\u7b97\u673a\u53ef\u4ee5\u5411 STM32 \u5f00\u53d1\u677f\u53d1\u9001\u6570\u636e，\u4e5f\u53ef\u4ee5\u63a5\u6536 STM32 \u5f00\u53d1\u677f\u53d1\u9001\u7684\u6570\u636e\u3002
\n4. \u4ee3\u7801\u5b9e\u73b0<\/h4>\n4.1 \u751f\u6210\u7684\u4ee3\u7801\u7ed3\u6784<\/h5>\n
\u4f7f\u7528 STM32CubeMX \u751f\u6210\u7684\u4ee3\u7801\u5305\u542b\u4e86 USB \u865a\u62df\u4e32\u53e3\u7684\u57fa\u672c\u6846\u67b6，\u4e3b\u8981\u6587\u4ef6\u6709：<\/p>\n<\/li>\n
- usbd_cdc_if.c：\u5b9e\u73b0\u4e86 CDC \u7c7b\u63a5\u53e3\u7684\u56de\u8c03\u51fd\u6570，\u8d1f\u8d23\u5904\u7406\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u3002<\/li>\n
- usbd_cdc.c：\u5b9e\u73b0\u4e86 CDC \u7c7b\u7684\u6838\u5fc3\u529f\u80fd，\u5305\u62ec\u8bbe\u5907\u679a\u4e3e\u3001\u63a7\u5236\u547d\u4ee4\u5904\u7406\u7b49\u3002<\/li>\n
- usbd_core.c：\u5b9e\u73b0\u4e86 USB \u8bbe\u5907\u7684\u6838\u5fc3\u529f\u80fd，\u5305\u62ec\u8bbe\u5907\u521d\u59cb\u5316\u3001\u6570\u636e\u4f20\u8f93\u7b49\u3002<\/li>\n
- \u68c0\u67e5\u786c\u4ef6\u8fde\u63a5：\u786e\u4fdd USB \u6570\u636e\u7ebf\u8fde\u63a5\u6b63\u5e38，\u5f00\u53d1\u677f\u7684\u7535\u6e90\u6b63\u5e38\u3002<\/li>\n
- \u68c0\u67e5 USB \u9a71\u52a8：\u5728\u8bbe\u5907\u7ba1\u7406\u5668\u4e2d\u67e5\u770b\u662f\u5426\u6709\u672a\u8bc6\u522b\u7684\u8bbe\u5907，\u5c1d\u8bd5\u66f4\u65b0 USB \u9a71\u52a8\u3002<\/li>\n
- \u68c0\u67e5\u4ee3\u7801\u903b\u8f91：\u786e\u4fddCDC_Receive_FS\u548cCDC_Transmit_FS\u51fd\u6570\u7684\u5b9e\u73b0\u6b63\u786e\u3002<\/li>\n
- \u68c0\u67e5\u7f13\u51b2\u533a\u5927\u5c0f：\u786e\u4fdd\u6570\u636e\u7f13\u51b2\u533a\u8db3\u591f\u5927，\u907f\u514d\u6570\u636e\u6ea2\u51fa\u3002<\/li>\n
\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002<\/p>\n","protected":false},"author":2,"featured_media":34226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,2890,270,269],"topic":[],"class_list":["post-34232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-stm32","tag-stm32-hal","tag-270","tag-269"],"yoast_head":"\n
STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/34232.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/34232.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-29T01:14:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027dd6c339.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/34232.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/34232.html\",\"name\":\"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - 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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/34232.html","og_locale":"zh_CN","og_type":"article","og_title":"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/34232.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-29T01:14:09+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250429011405-681027dd6c339.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/34232.html","url":"https:\/\/www.wsisp.com\/helps\/34232.html","name":"STM32 HAL\u5e93\u5b9e\u73b0USB\u865a\u62df\u4e32\u53e3 - 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<\/li>\n<\/ul>\n\u00a0<\/p>\n
<\/p>\n
\u70b9\u51fb\u751f\u6210\u4ee3\u7801；<\/p>\n
\u6ce8\u610f\u51e0\u5904\u9700\u8981\u4fee\u6539\u7684\u5730\u65b9：<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
3. USB \u865a\u62df\u4e32\u53e3\u539f\u7406<\/h4>\n3.1 USB \u534f\u8bae\u57fa\u7840<\/h5>\n
USB（Universal Serial Bus）\u662f\u4e00\u79cd\u901a\u7528\u7684\u4e32\u884c\u603b\u7ebf\u6807\u51c6，\u5177\u6709\u9ad8\u901f\u3001\u53ef\u9760\u3001\u6613\u7528\u7b49\u7279\u70b9\u3002USB \u534f\u8bae\u5b9a\u4e49\u4e86\u8bbe\u5907\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u65b9\u5f0f，\u5305\u62ec\u8bbe\u5907\u679a\u4e3e\u3001\u6570\u636e\u4f20\u8f93\u7b49\u8fc7\u7a0b\u3002<\/p>\n
3.2 CDC \u7c7b\u534f\u8bae<\/h5>\n
CDC（Communication Device Class）\u662f USB \u534f\u8bae\u4e2d\u7684\u4e00\u79cd\u8bbe\u5907\u7c7b，\u4e13\u95e8\u7528\u4e8e\u5b9e\u73b0\u865a\u62df\u4e32\u53e3\u901a\u4fe1\u3002CDC \u7c7b\u534f\u8bae\u5b9a\u4e49\u4e86\u4e24\u4e2a\u63a5\u53e3：\u901a\u4fe1\u63a5\u53e3（Communication Interface）\u548c\u6570\u636e\u63a5\u53e3（Data Interface）\u3002\u901a\u4fe1\u63a5\u53e3\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u63a7\u5236\u547d\u4ee4，\u6570\u636e\u63a5\u53e3\u7528\u4e8e\u4f20\u8f93\u5b9e\u9645\u7684\u6570\u636e\u3002<\/p>\n
3.3 \u6570\u636e\u4f20\u8f93\u8fc7\u7a0b<\/h5>\n<\/p>\n4.2 \u6570\u636e\u63a5\u6536\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Receive_FS\u56de\u8c03\u51fd\u6570，\u7528\u4e8e\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
static int8_t CDC_Receive_FS(uint8_t* Buf, uint32_t *Len)
\n{
\n \/* USER CODE BEGIN 6 *\/
\n USBD_CDC_SetRxBuffer(&hUsbDeviceFS, &Buf[0]);
\n USBD_CDC_ReceivePacket(&hUsbDeviceFS);
\n \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e
\n for (uint32_t i = 0; i < *Len; i++)
\n {
\n \/\/ \u8fd9\u91cc\u53ef\u4ee5\u6dfb\u52a0\u5177\u4f53\u7684\u6570\u636e\u5904\u7406\u903b\u8f91
\n \/\/ \u4f8b\u5982\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u539f\u6837\u53d1\u9001\u56de\u53bb
\n CDC_Transmit_FS(&Buf[i], 1);
\n }
\n return (USBD_OK);
\n \/* USER CODE END 6 *\/
\n}<\/p>\n
4.3 \u6570\u636e\u53d1\u9001\u5904\u7406<\/h5>\n
\u5728usbd_cdc_if.c\u6587\u4ef6\u4e2d，\u6709\u4e00\u4e2aCDC_Transmit_FS\u51fd\u6570，\u7528\u4e8e\u53d1\u9001\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u8be5\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
uint8_t CDC_Transmit_FS(uint8_t* Buf, uint16_t Len)
\n{
\n uint8_t result = USBD_OK;
\n \/* USER CODE BEGIN 7 *\/
\n USBD_CDC_HandleTypeDef *hcdc = (USBD_CDC_HandleTypeDef*)hUsbDeviceFS.pClassData;
\n if (hcdc->TxState != 0)
\n {
\n return USBD_BUSY;
\n }
\n USBD_CDC_SetTxBuffer(&hUsbDeviceFS, Buf, Len);
\n result = USBD_CDC_TransmitPacket(&hUsbDeviceFS);
\n \/* USER CODE END 7 *\/
\n return result;
\n}<\/p>\n
4.4 \u4e3b\u51fd\u6570\u4ee3\u7801<\/h5>\n
\u5728main.c\u6587\u4ef6\u4e2d，\u9700\u8981\u5bf9 USB \u8bbe\u5907\u8fdb\u884c\u521d\u59cb\u5316，\u5e76\u542f\u52a8\u6570\u636e\u63a5\u6536\u3002\u4ee5\u4e0b\u662f\u4e3b\u51fd\u6570\u7684\u793a\u4f8b\u4ee3\u7801：<\/p>\n
5. \u4ee3\u7801\u7f16\u8bd1\u4e0e\u4e0b\u8f7d<\/h4>\n5.1 \u4ee3\u7801\u7f16\u8bd1<\/h5>\n
\u6253\u5f00 Keil MDK，\u5bfc\u5165 STM32CubeMX \u751f\u6210\u7684\u9879\u76ee\u4ee3\u7801\u3002\u5728 Keil MDK \u4e2d\u8fdb\u884c\u7f16\u8bd1，\u786e\u4fdd\u4ee3\u7801\u6ca1\u6709\u9519\u8bef\u548c\u8b66\u544a\u3002<\/p>\n
5.2 \u4ee3\u7801\u4e0b\u8f7d<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u4f7f\u7528 ST-Link \u6216 J-Link \u7b49\u8c03\u8bd5\u5668\u5c06\u7f16\u8bd1\u597d\u7684\u4ee3\u7801\u4e0b\u8f7d\u5230\u5f00\u53d1\u677f\u4e2d\u3002<\/p>\n
6. \u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/h4>\n6.1 \u8ba1\u7b97\u673a\u7aef\u8f6f\u4ef6\u51c6\u5907<\/h5>\n
\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u5982\u4e32\u53e3\u8c03\u8bd5\u7cbe\u7075\u3001SSCOM \u7b49\u3002<\/p>\n
6.2 \u8bbe\u5907\u8bc6\u522b<\/h5>\n
\u5c06\u5f00\u53d1\u677f\u901a\u8fc7 USB \u6570\u636e\u7ebf\u8fde\u63a5\u5230\u8ba1\u7b97\u673a，\u8ba1\u7b97\u673a\u5e94\u8be5\u80fd\u591f\u8bc6\u522b\u51fa\u4e00\u4e2a\u65b0\u7684\u4e32\u53e3\u8bbe\u5907\u3002<\/p>\n
6.3 \u6570\u636e\u6536\u53d1\u6d4b\u8bd5<\/h5>\n
\u6253\u5f00\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b，\u9009\u62e9\u8bc6\u522b\u5230\u7684\u4e32\u53e3，\u8bbe\u7f6e\u6ce2\u7279\u7387\u4e3a 115200（USB \u865a\u62df\u4e32\u53e3\u7684\u6ce2\u7279\u7387\u4e0d\u5f71\u54cd\u5b9e\u9645\u901a\u4fe1\u901f\u5ea6）\u3002\u5728\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u4e2d\u53d1\u9001\u6570\u636e，\u5f00\u53d1\u677f\u5e94\u8be5\u80fd\u591f\u63a5\u6536\u5230\u6570\u636e\u5e76\u5c06\u5176\u539f\u6837\u53d1\u9001\u56de\u53bb\u3002<\/p>\n
7. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h4>\n7.1 \u8bbe\u5907\u65e0\u6cd5\u8bc6\u522b<\/h5>\n<\/p>\n7.2 \u6570\u636e\u6536\u53d1\u5f02\u5e38<\/h5>\n<\/p>\n8. \u6269\u5c55\u529f\u80fd<\/h4>\n8.1 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406<\/h5>\n
7.2 \u6570\u636e\u6536\u53d1\u5f02\u5e38<\/h5>\n<\/p>\n8. \u6269\u5c55\u529f\u80fd<\/h4>\n8.1 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406<\/h5>\n
8.1 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406<\/h5>\n
\u5728CDC_Receive_FS\u51fd\u6570\u4e2d\u6dfb\u52a0\u66f4\u590d\u6742\u7684\u6570\u636e\u89e3\u6790\u903b\u8f91，\u4f8b\u5982\u89e3\u6790\u7279\u5b9a\u7684\u547d\u4ee4\u683c\u5f0f，\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd\u3002<\/p>\n
8.2 \u591a\u7ebf\u7a0b\u5904\u7406<\/h5>\n
\u4f7f\u7528 STM32 \u7684 RTOS（\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf），\u5982 FreeRTOS，\u5c06\u6570\u636e\u63a5\u6536\u548c\u5904\u7406\u4efb\u52a1\u5206\u914d\u5230\u4e0d\u540c\u7684\u7ebf\u7a0b\u4e2d，\u63d0\u9ad8\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
9. \u603b\u7ed3<\/h4>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4，\u4f60\u53ef\u4ee5\u57fa\u4e8e STM32F407 HAL \u5e93\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002USB \u865a\u62df\u4e32\u53e3\u4e3a STM32 \u5f00\u53d1\u677f\u4e0e\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u3001\u9ad8\u6548\u7684\u65b9\u5f0f，\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u7528\u9014\u3002<\/p>\n<\/p>\n
\n
4. \u4ee3\u7801\u5b9e\u73b0<\/h4>\n4.1 \u751f\u6210\u7684\u4ee3\u7801\u7ed3\u6784<\/h5>\n
\u4f7f\u7528 STM32CubeMX \u751f\u6210\u7684\u4ee3\u7801\u5305\u542b\u4e86 USB \u865a\u62df\u4e32\u53e3\u7684\u57fa\u672c\u6846\u67b6，\u4e3b\u8981\u6587\u4ef6\u6709：<\/p>\n<\/li>\n
\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb973\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf15\u6b21\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cUSB \u865a\u62df\u4e32\u53e3\u662f\u4e00\u79cd\u975e\u5e38\u5b9e\u7528\u7684\u529f\u80fd\u3002\u5b83\u5141\u8bb8 STM32 \u5fae\u63a7\u5236\u5668\u901a\u8fc7 USB \u63a5\u53e3\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u50cf\u4f7f\u7528\u4f20\u7edf\u7684\u4e32\u53e3\u4e00\u6837\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u7b80\u5316\u4e86\u786c\u4ef6\u8bbe\u8ba1\uff0c\u8fd8\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u7075\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002STM32F407 \u7cfb\u5217\u5fae\u63a7\u5236\u5668\u5177\u6709\u5f3a\u5927\u7684\u5904\u7406\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u5916\u8bbe\u8d44\u6e90\uff0c\u914d\u5408 HAL \u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0 USB \u865a\u62df\u4e32\u53e3\u529f\u80fd\u3002<\/p>\n","protected":false},"author":2,"featured_media":34226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,2890,270,269],"topic":[],"class_list":["post-34232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-stm32","tag-stm32-hal","tag-270","tag-269"],"yoast_head":"\n