V2.0

EVT/EXAM/USB/USBD/CompatibilityHID/User/Main.c

@@ -71,7 +71,7 @@ void Var_Init(void)
  */
 int main(void)
 {   
-	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
 	SystemCoreClockUpdate();
 	Delay_Init(); 
     USART_Printf_Init(115200);

EVT/EXAM/USB/USBD/CompatibilityHID/User/USBLIB/CONFIG/usb_desc.c

@@ -98,7 +98,7 @@ const uint8_t USBD_StringVendor[USBD_SIZE_STRING_VENDOR] = {
 const uint8_t USBD_StringProduct[USBD_SIZE_STRING_PRODUCT] = {
 	USBD_SIZE_STRING_PRODUCT,         
 	USB_STRING_DESCRIPTOR_TYPE,        
-    'C', 0, 'H', 0, '3', 0, '2', 0, 'F', 0, '2', 0 , '0', 0, 'x', 0
+    'C', 0, 'H', 0, '3', 0, '2', 0, 'V', 0, '2', 0 , '0', 0, 'x', 0
 };
 
 /* USB Device String Serial */

EVT/EXAM/USB/USBD/CompatibilityHID/User/ch32v20x_it.c

@@ -23,6 +23,9 @@ void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
  */
 void NMI_Handler(void)
 {
+  while (1)
+  {
+  }
 }
 
 /*********************************************************************

EVT/EXAM/USB/USBD/CompatibilityHID/User/system_ch32v20x.c

@@ -111,10 +111,10 @@ static void SetSysClockTo144_HSI( void );
 void SystemInit (void)
 {
   RCC->CTLR |= (uint32_t)0x00000001;
-  RCC->CFGR0 &= (uint32_t)0xF8FF0000;
+  RCC->CFGR0 &= (uint32_t)0xF0FF0000;
   RCC->CTLR &= (uint32_t)0xFEF6FFFF;
   RCC->CTLR &= (uint32_t)0xFFFBFFFF;
-  RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
+  RCC->CFGR0 &= (uint32_t)0xFF00FFFF;
   RCC->INTR = 0x009F0000;    
   SetSysClock();
 }

EVT/EXAM/USB/USBD/CompatibilityHID/User/usbd_compatibility_hid.c

@@ -1,8 +1,8 @@
 /********************************** (C) COPYRIGHT *******************************
- * File Name  :usbd_custom_hid.c
- * Author     :OWNER
+ * File Name  : usbd_compatibility_hid.c
+ * Author     : WCH
  * Version    : v0.01
- * Date       : 2022��7��8��
+ * Date       : 2024/02/05
  * Description:
 *******************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.