bool UP3DCOMM_Open()
{
int r;
r = libusb_init( &_libusb_ctx );
if( r < 0 )
{
printf( "[ERROR] USB Init: %d\n", r );
return false;
}
libusb_set_debug( _libusb_ctx, 0 ); //set verbosity level to 0
_libusb_dev_handle = libusb_open_device_with_vid_pid( _libusb_ctx, VID, PID_MINI_A );
if( !_libusb_dev_handle )
_libusb_dev_handle = libusb_open_device_with_vid_pid( _libusb_ctx, VID, PID_MINI_M );
if( !_libusb_dev_handle )
{
fprintf(stderr, "[ERROR] USB Open Device (%04X:%04X/%04X) not found\n", VID, PID_MINI_A, PID_MINI_M );
UP3DCOMM_Close();
return false;
}
if( 1 == libusb_kernel_driver_active( _libusb_dev_handle, 0 ) )
libusb_detach_kernel_driver( _libusb_dev_handle, 0 );
if( libusb_claim_interface( _libusb_dev_handle, 0 ) < 0 )
{
fprintf(stderr,"[ERROR] USB Claim Interface\n");
UP3DCOMM_Close();
return false;
}
//clean all outstanding printer responses (left from previous sessions)
for( ;; )
{
int read;
uint8_t buf[2048];
if( (0 != libusb_bulk_transfer( _libusb_dev_handle, (EP_IN | LIBUSB_ENDPOINT_IN), buf, sizeof(buf), &read, 10)) || (!read) )
break;
}
return true;
}
void UP3D_Close()
{
UP3DCOMM_Close();
}
