V2.0

EVT/EXAM/IAP/USB_UART/CH32V20x_IAP/User/main.c

@@ -15,17 +15,14 @@
  *IAP upgrade routine:
  *Support serial port and USB for FLASH burning
  *
- *1. Use the IAP download tool to realize the download PA0 floating (default pull-up input)
- *2. After downloading the APP, connect PA0 to ground (low level input), and press
- *the reset button to run the APP program.
- *3. The routine needs to install the CH372 driver.
+ *1. The routine needs to install the CH372 driver.
  *Note: FLASH operation keeps the frequency below 100Mhz, it is recommended that the main
  *frequency of IAP be below 100Mhz
  *
  */
 
 #include "debug.h"
-#include "ch32v20x_usbotg_device.h"
+#include "ch32v20x_usbfs_device.h"
 #include "iap.h"
 #include "usb_istr.h"
 #include "usb_desc.h"
@@ -42,21 +39,21 @@ extern u8 End_Flag;
  */
 void IAP_2_APP(void) {
     USB_Port_Set(DISABLE, DISABLE);
-    USBOTG_H_FS->HOST_CTRL = 0x00;
-    USBOTG_FS->BASE_CTRL = 0x00;
-    USBOTG_FS->INT_EN = 0x00;
-    USBOTG_FS->UEP2_3_MOD = 0x00;
-    USBOTG_FS->BASE_CTRL |= (1 << 1) | (1 << 2);
+    USBFSH->HOST_CTRL = 0x00;
+    USBFSD->BASE_CTRL = 0x00;
+    USBFSD->INT_EN = 0x00;
+    USBFSD->UEP2_3_MOD = 0x00;
+    USBFSD->BASE_CTRL |= (1 << 1) | (1 << 2);
     Delay_Ms(50);
     printf("jump APP\r\n");
     GPIO_DeInit(GPIOA);
     GPIO_DeInit(GPIOB);
     USART_DeInit(USART3);
-    NVIC_DisableIRQ( USBHD_IRQn );
+    NVIC_DisableIRQ( USBFS_IRQn );
     RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, DISABLE);
     RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, DISABLE);
     RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,DISABLE);
-    RCC_AHBPeriphClockCmd( RCC_AHBPeriph_OTG_FS, DISABLE );
+    RCC_AHBPeriphClockCmd( RCC_AHBPeriph_USBFS, DISABLE );
     RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, DISABLE);
     Delay_Ms(10);
     NVIC_EnableIRQ(Software_IRQn);
@@ -83,7 +80,7 @@ int main(void) {
     USB_Port_Set(ENABLE, ENABLE);
     USB_Interrupts_Config();
 
-    USBOTG_Init();
+    USBFS_Init();
     USART3_CFG(57600);
     while(1)
     {