From 619d148b45bcc3218920a6939b32e2df6c8faa06 Mon Sep 17 00:00:00 2001
From: kai <1797003616@qq.com>
Date: Sat, 2 Mar 2024 20:58:17 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=8A=E7=94=B5=E9=87=8D?=
 =?UTF-8?q?=E6=96=B0=E6=9E=9A=E4=B8=BEusb?=
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---
 Src/usbd_conf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Src/usbd_conf.c b/Src/usbd_conf.c
index 217c497..43bd48a 100644
--- a/Src/usbd_conf.c
+++ b/Src/usbd_conf.c
@@ -96,6 +96,12 @@ void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
     HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
   /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */
 
+  // 上电后重新枚举usb设备
+    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_RESET);
+    DWT_Delay(0.1);
+    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_SET);
+    DWT_Delay(0.1);
+
   /* USER CODE END USB_OTG_FS_MspInit 1 */
   }
 }