i run the code USB Host in stm32h750 .its is working fine when i read .txt file but when i am read the .abs file from pendrive then this file can not read using F_read() function. so i want to read . abs file from pendrive using stm32h750 MPU. this is my code attached
bool UsbTest_write(void)
{
//Open and Created file for writing
if(f_open(&myFile,"TEST2.TXT",FA_CREATE_ALWAYS | FA_WRITE)!=FR_OK)
{
return 0;
}
else
{
//copy to string into the temporary variable
sprintf(rwtext ,"Froom MANOJ");
//write to text file
res= f_write(&myFile,(const void *)rwtext,strlen(rwtext),&byteswritten);
if( (res != FR_OK)|| (byteswritten==0) )
{
return 0;
}
f_close(&myFile);
return 1;
}
}
void UsbTest_Read(void)
{
res=f_open(&myFile, "TEST2.TXT", FA_READ);
if (res == FR_OK)
{
printf("File eTEST.TXT sucessfully opened!\n");
}
size = f_size(&myFile);
char * data = NULL;
data = malloc(size); /* allocate memory to store image data */
printf("File size: %d bytes\n", size);
res = f_read(&myFile, data, (UINT) size, &bytesread);
if (res == FR_OK){
printf("File successfully read!\n");
printf("%d bytes read\n", bytesread);
for (int i=0; i < bytesread; i++)
{
printf("data[%d]: 0x%x\n", i, data[i]);
}
}
free(data); // free allocated memory when you don't need it
f_close(&myFile);
}
