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#include "sys.h"
#include "delay.h"
#include "usart.h"
#include "led.h"
#include "lcd.h"
#include "key.h"
#include "malloc.h"
#include "w25qxx.h"
#include "sdio_sdcard.h"
#include "usbd_usr.h"
#include "usbd_desc.h"
#include "usb_conf.h"
#include "usbd_cdc_core.h"
#include "usbd_cdc_vcp.h"
USB_OTG_CORE_HANDLE USB_OTG_dev;
extern vu8 bDeviceState; //USB連接 情況
int main(void)
{
u16 t;
u16 len;
u16 times=0;
u8 usbstatus=0;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//設置系統中斷優先級分組2
delay_init(168); //初始化延時函數
uart_init(115200); //初始化串口波特率為115200
LED_Init(); //初始化LED
LCD_Init(); //LCD初始化
KEY_Init(); //按鍵初始化
W25QXX_Init(); //初始化W25Q128
POINT_COLOR=RED;
LCD_ShowString(30,50,200,16,16,"EXPLORER F407");
LCD_ShowString(30,70,200,16,16,"USB Virtual USART TEST");
LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");
LCD_ShowString(30,110,200,16,16,"2019/9/3");
LCD_ShowString(30,130,200,16,16,"USB Connecting...");//提示USB開始連接
USBD_Init(&USB_OTG_dev,USB_OTG_FS_CORE_ID,&USR_desc,&USBD_CDC_cb,&USR_cb);
while(1)
{
if(usbstatus!=bDeviceState)//USB連接狀態發生了改變.
{
usbstatus=bDeviceState;//記錄新的狀態
if(usbstatus==1)
{
POINT_COLOR=BLUE;
LCD_ShowString(30,130,200,16,16,"USB Connected ");//提示USB連接成功
LED1=0;//DS1亮
}
else
{
POINT_COLOR=RED;
LCD_ShowString(30,130,200,16,16,"USB disConnected ");//提示USB斷開
LED1=1;//DS1滅
}
}
if(USB_USART_RX_STA&0x8000)
{
len=USB_USART_RX_STA&0x3FFF;//得到此次接收到的數據長度
usb_printf("\r\n您發送的消息為:%d\r\n\r\n",len);
for(t=0;t<len;t++)
{
VCP_DataTx(USB_USART_RX_BUF[t]);//以字節方式,發送給USB
}
usb_printf("\r\n\r\n");//插入換行
USB_USART_RX_STA=0;
}else
{
times++;
if(times%5000==0)
{
usb_printf("\r\n阿波羅STM32F4/F7開發板USB虛擬串口實驗\r\n");
usb_printf("正點原子@ALIENTEK\r\n\r\n");
}
if(times%200==0)usb_printf("請輸入數據,以回車鍵結束\r\n");
if(times%30==0)
LED0=!LED0;//閃爍LED,提示系統正在運行.
delay_ms(10);
}
}
}
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探索者USB虛擬串口.7z
2020-7-20 18:02 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
518.33 KB, 下載次數: 47, 下載積分: 黑幣 -5
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