V2.0

EVT/EXAM/APPLICATION/USBPD/I2C_OP_CH223/User/ch32v20x_it.c

@@ -2,7 +2,7 @@
  * File Name          : ch32v20x_it.c
  * Author             : WCH
  * Version            : V1.0.0
- * Date               : 2021/06/06
+ * Date               : 2023/12/29
  * Description        : Main Interrupt Service Routines.
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
@@ -23,6 +23,9 @@ void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
  */
 void NMI_Handler(void)
 {
+  while (1)
+  {
+  }
 }
 
 /*********************************************************************

EVT/EXAM/APPLICATION/USBPD/I2C_OP_CH223/User/main.c

@@ -2,7 +2,7 @@
  * File Name          : main.c
  * Author             : WCH
  * Version            : V1.0.0
- * Date               : 2023/06/06
+ * Date               : 2023/12/29
  * Description        : Main program body.
 *********************************************************************************
 * Copyright (c) 2023 Nanjing Qinheng Microelectronics Co., Ltd.
@@ -236,7 +236,7 @@ int main(void)
     u16 n = 0;
     u8 tempV = 0, tempI = 0, tempV0 = 0, tempI0 = 0, tempVmax = 0;
     u8 res = 0, ndo_select = 0, STATE_flag = 0;
-    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
     Delay_Init();
     USART_Printf_Init( 115200 );
     CH223_Init();

EVT/EXAM/APPLICATION/USBPD/I2C_OP_CH223/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();
 }