/*
* wrapper for usb_control_msg call
*/
static int usbasp_transmit(PROGRAMMER * pgm,
unsigned char receive, unsigned char functionid,
unsigned char send[4], unsigned char * buffer, int buffersize)
{
int nbytes;
#ifdef USE_usb_1_0
nbytes = usb_control_transfer(PDATA(pgm)->usbhandle,
(usb_REQUEST_TYPE_VENDOR | usb_RECIPIENT_DEVICE | (receive << 7)) & 0xff,
functionid & 0xff,
((send[1] << 8) | send[0]) & 0xffff,
((send[3] << 8) | send[2]) & 0xffff,
(char *)buffer,
buffersize & 0xffff,
5000);
if(nbytes < 0){
fprintf(stderr, "%s: error: usbasp_transmit: %s\n", progname, strerror(usb_to_errno(nbytes)));
return -1;
}
#else
nbytes = usb_control_msg(PDATA(pgm)->usbhandle,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | (receive << 7),
functionid,
(send[1] << 8) | send[0],
(send[3] << 8) | send[2],
(char *)buffer, buffersize,
5000);
if(nbytes < 0){
fprintf(stderr, "%s: error: usbasp_transmit: %s\n", progname, usb_strerror());
return -1;
}
#endif
return nbytes;
}
static
void
do_other_wait(void)
{
int rv;
struct setup setup;
byte configuration[18];
do {
sleep_poll();
delay(1000);
// get the configuration descriptor
usb_setup(1, SETUP_TYPE_STANDARD, SETUP_RECIP_DEVICE, REQUEST_GET_DESCRIPTOR, (CONFIGURATION_DESCRIPTOR<<8)|0, 0, sizeof(configuration), &setup);
rv = usb_control_transfer(&setup, configuration, sizeof(configuration));
} while (rv > 0);
}
