161 lines
2.9 KiB
C
161 lines
2.9 KiB
C
#include "sys.h"
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#include "delay.h"
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#include "usart.h"
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#include "led.h"
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#include "key.h"
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#include "LCD.h"
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#include "Dis_Picture.h"
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#include "Text.h"
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#include "GBK_LibDrive.h"
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#include "mpu.h"
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#include "malloc.h"
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#include "w25qxx.h"
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#include "sdmmc_sdcard.h"
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#include "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_cdc.h"
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#include "usbd_cdc_interface.h"
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//USB虚拟串口测试
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//STM32H7工程模板-HAL库函数版本
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//DevEBox 大越创新
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//淘宝店铺：mcudev.taobao.com
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//淘宝店铺：shop389957290.taobao.com
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USBD_HandleTypeDef USBD_Device;
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extern PCD_HandleTypeDef hpcd;
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extern vu8 bDeviceState; //USB连接 情况
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int main(void)
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{
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u16 len;
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u16 times=0;
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u8 usbstatus=0;
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Cache_Enable(); //打开L1-Cache
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MPU_Memory_Protection(); //保护相关存储区域
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HAL_Init(); //初始化HAL库
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Stm32_Clock_Init(160,5,2,4); //设置时钟,400Mhz
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delay_init(400); //延时初始化
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uart_init(115200); //串口初始化
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LED_Init(); //初始化LED
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KEY_Init(); //初始化按键
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LCD_Init(); //初始化2.0寸 240x320 高清屏 LCD显示
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GBK_Lib_Init(); //硬件GBK字库初始化--(如果使用不带字库的液晶屏版本，此处可以屏蔽，不做字库初始化）
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LCD_Clear(WHITE); //清屏
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my_mem_init(SRAMIN); //初始化内部内存池
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//my_mem_init(SRAMEX); //初始化外部内存池
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my_mem_init(SRAMDTCM); //初始化CCM内存池
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Draw_Font16B(16,16,RED," STM32H7 USB-USART ");
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Draw_Font16B(16,32,BLUE," 嵌入式开发网 ");
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Draw_Font16B(16,48,BLUE,"mcudev.taobao.com");
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Draw_Font24B(16,70,BLUE,"USB Connecting...");//提示USB开始连接
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USBD_Init(&USBD_Device,&VCP_Desc,0);
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USBD_RegisterClass(&USBD_Device,USBD_CDC_CLASS);
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USBD_CDC_RegisterInterface(&USBD_Device,&USBD_CDC_fops);
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USBD_Start(&USBD_Device);
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HAL_PWREx_EnableUSBVoltageDetector();
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while(1)
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{
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if(usbstatus!=bDeviceState)//USB连接状态发生了改变.
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{
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usbstatus=bDeviceState;//记录新的状态
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if(usbstatus==1)
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{
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POINT_COLOR=BLUE;
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Draw_Font24B(16,70,BLUE,"USB Connected ");//提示USB连接成功
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LED2(0);//D2亮
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}
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else
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{
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POINT_COLOR=RED;
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Draw_Font24B(16,70,BLUE,"USB disConnected ");//提示USB断开
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LED2(1);//D2灭
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}
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}
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if(USB_USART_RX_STA&0x8000)
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{
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len=USB_USART_RX_STA&0x3FFF;//得到此次接收到的数据长度
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usb_printf("\r\n您发送的消息长度为:%d\r\n\r\n",len);
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VCP_DataTx(USB_USART_RX_BUF,len);;
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usb_printf("\r\n\r\n");//插入换行
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USB_USART_RX_STA=0;
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}
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else
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{
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times++;
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if(times%5000==0)
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{
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usb_printf("\r\n STM32F4/F7/H7开发板USB虚拟串口实验\r\n");
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usb_printf("大越创新-mcudev.taobao.com \r\n\r\n");
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}
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if(times%200==0)usb_printf("请输入数据,以回车键结束\r\n");
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if(times%30==0)LED2_Toggle;//闪烁LED,提示系统正在运行.
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delay_ms(10);
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}
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}
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}
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//STM32H7工程模板-HAL库函数版本
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//DevEBox 大越创新
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//淘宝店铺：mcudev.taobao.com
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//淘宝店铺：shop389957290.taobao.com
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