int main(void)
{
/* MCU配置 */
/* 重置所有外围设别, 初始化Flash接口和Systick. */
HAL_Init();
SystemClock_Config(); /*配置系统时钟 */
/* 初始化所有已配置的外围设备 */
MX_GPIO_Init();
MX_USB_HOST_Init();
MX_USART6_UART_Init();
MX_FATFS_Init();
usart6.printf("\x0c"); //清屏
usart6.printf("\033[1;32;40m"); //设置终端字体为绿色
usart6.printf("\r\nHello, I am iCore4.\r\n"); //串口信息输出
while (1)
{
MX_USB_HOST_Process();
}
}
void MX_USB_HOST_Init(void)
{
/* 初始化主机库,添加支持的类并启动该库*/
/* 初始化主机核心*/
USBH_Init(&hUsbHostHS, USBH_UserProcess, HOST_HS);
/* 将类驱动程序链接到主机核心。*/
USBH_RegisterClass(&hUsbHostHS, USBH_MSC_CLASS);
/* 启动主机核心*/
USBH_Start(&hUsbHostHS);
}
static void USBH_UserProcess (USBH_HandleTypeDef *phost, uint8_t id)
{
int i,j;
static FRESULT res;
unsigned char write_buffer[512];
unsigned char read_buffer[512];
unsigned int counter;
switch(id)
{
case HOST_USER_SELECT_CONFIGURATION:
break;
case HOST_USER_DISCONNECTION:
Appli_state = APPLICATION_DISCONNECT;
break;
case HOST_USER_CLASS_ACTIVE:
Appli_state = APPLICATION_READY;
//挂载逻辑驱动器
res = f_mount(&fatfs,"0:",1);
if(res != RES_OK){
USBH_UsrLog("\r\nf_mount error!"); //操作失败红灯闪烁
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("\r\nf_mount successful!");
}
//打开文件
for(i = 0; i < 512 ; i ++)write_buffer[i] = i % 256;
res = f_open(&file,"0:/test.txt",FA_READ | FA_WRITE | FA_OPEN_ALWAYS); //打开驱动器0上的源文件
if(res != RES_OK){
USBH_UsrLog("f_open error!");
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("f_open successful!");
}
//移动文件读/写指针
res = f_lseek(&file,0);
if(res != RES_OK){
USBH_UsrLog("f_lseek error!");
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("f_lseek successful!");
}
//写文件
res = f_write(&file,write_buffer,512,&counter);
if(res != RES_OK || counter != 512){
USBH_UsrLog("f_write error!");
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("f_write successful!");
}
//移动文件读/写指针
res = f_lseek(&file,0);
if(res != RES_OK){
USBH_UsrLog("f_lseek error!");
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("f_lseek successful!");
}
//读文件
res = f_read(&file,read_buffer,512,&counter);
if(res != RES_OK || counter != 512){
USBH_UsrLog("f_read error!");
while(1){
LED_RED_ON;
HAL_Delay(500);
LED_RED_OFF;
HAL_Delay(500);
}
}else{
USBH_UsrLog("f_read successful!");
}
f_close(&file); //关闭文件
USBH_UsrLog("read data:");
for(i = 0;i < 32;i++){
for(j = 0; j < 16; j ++)
USBH_UsrLog("%02X ",read_buffer[i*16+j]);
}
break;
case HOST_USER_CONNECTION:
Appli_state = APPLICATION_START;
break;
default:
break;
}
}