usb_net编译通过

examples/device/cdc_dual_ports/src/main.c

@@ -23,6 +23,13 @@
  *
  */
 
+#include <rtthread.h>
+#include "bsp_init.h"
+#include "stm32f4xx.h"
+#include "dcd.h"
+#include <ctype.h>
+
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -47,8 +54,55 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
 static void led_blinking_task(void);
 static void cdc_task(void);
 
+
+
+int tusb_board_init(void) {
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
+  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_OTG_HS, ENABLE);
+
+  GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_OTG2_FS);
+  GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_OTG2_FS);
+
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14 | GPIO_Pin_15;
+  GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+  // no need enable irq, it will be enabled in dwc2_dcd_int_enable()
+  return 0;
+}
+
+void usb_irq_enable(){
+    NVIC_InitTypeDef NVIC_InitStructure;
+
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_IRQn;
+    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStructure);
+}
+
+static void tusb_thread_entry(void *parameter)
+{
+    (void) parameter;
+    while (1)
+    {
+#if CFG_TUH_ENABLED
+        tuh_task();
+#endif
+#if CFG_TUD_ENABLED
+        tud_task();
+#endif
+    }
+}
+
+
+
 /*------------- MAIN -------------*/
-int main(void) {
+int main_task(void) {
   board_init();
 
   // init device stack on configured roothub port