int usb_driver_read(unsigned char * data, int size)
{
int cnt_bytes = read(usb_device, data, size);
if(cnt_bytes<=0) {
printf("[Error] L%d %s : %s\n",__LINE__,__FUNCTION__,strerror(errno));
if(usb_driver_init()<0) {
return -1;
}
cnt_bytes = read(usb_device, data, size);
}
if(cnt_bytes<0) {
printf("[Error] L%d %s : %s\n",__LINE__,__FUNCTION__,strerror(errno));
return -1;
}
#ifdef DEBUG_USB_DRIVER
printf("[Debug] L%d %s : %d bytes : ",__LINE__,__FUNCTION__,cnt_bytes);
int i;
for(i=0 ; i<cnt_bytes ; i++) {
printf("0x%X ",data[i]);
}
printf("(%s)\n",data);
#endif
return cnt_bytes;
}
void usb_init(const usb_profile_t *profile)
{
usb_driver_init( profile );
usb_msc_init();
usb_dfu_init();
platform_usb_enable();
}
void test_usb_read()
{
if(usb_driver_init()<0) {
return;
}
unsigned char data[256];
while(1) {
usb_driver_read(data,256);
}
usb_driver_close();
}