int HostIO_CyUSB::GetDesc(std::string & pDesc)
{
unsigned char buff[256];
int err;
struct libusb_device_descriptor desc;
err = cyusb_get_device_descriptor(h, &desc);
if (err < 0)
return err;
err = libusb_get_string_descriptor_ascii(h, desc.iProduct, buff, sizeof(buff));
if (err < 0)
return err;
pDesc = std::string((const char *)buff);
return ALL_OK;
}
unsigned short cyusb_getvendor(cyusb_handle *h)
{
struct libusb_device_descriptor d;
cyusb_get_device_descriptor(h, &d);
return d.idVendor;
}
unsigned short cyusb_getproduct(cyusb_handle *h)
{
struct libusb_device_descriptor d;
cyusb_get_device_descriptor(h, &d);
return d.idProduct;
}
int main(int argc, char **argv)
{
int r;
struct libusb_device_descriptor desc;
char user_input = 'n';
program_name = argv[0];
while ( (next_option = getopt_long(argc, argv, short_options,
long_options, NULL) ) != -1 ) {
switch ( next_option ) {
case 'h': /* -h or --help */
print_usage(stdout, 0);
case 'v': /* -v or --version */
printf("%s (Ver 1.0)\n",program_name);
printf("Copyright (C) 2012 Cypress Semiconductors Inc. / ATR-LABS\n");
exit(0);
case 'o': /* -o or --output */
out_filename = optarg;
fp = fopen(out_filename,"a");
if ( !fp )
print_usage(stdout, 1);
break;
case 'V': /* -V or --vendor */
vendor_provided = 1;
vid = strtoul(optarg,NULL,16);
break;
case 'P': /* -P or --Product */
product_provided = 1;
pid = strtoul(optarg,NULL,16);
break;
case '?': /* Invalid option */
print_usage(stdout, 1);
default : /* Something else, unexpected */
abort();
}
}
validate_inputs();
if ( (vendor_provided) && (product_provided) )
user_input = 'y';
else user_input = 'n';
if ( user_input == 'y' ) {
r = cyusb_open(vid, pid);
if ( r < 0 ) {
printf("Error opening library\n");
return -1;
}
else if ( r == 0 ) {
printf("No device found\n");
return 0;
}
}
else {
r = cyusb_open();
if ( r < 0 ) {
printf("Error opening library\n");
return -1;
}
else if ( r == 0 ) {
printf("No device found\n");
return 0;
}
}
r = cyusb_get_device_descriptor(cyusb_gethandle(0), &desc);
if ( r ) {
printf("error getting device descriptor\n");
return -2;
}
fprintf(fp,"bLength = %d\n", desc.bLength);
fprintf(fp,"bDescriptorType = %d\n", desc.bDescriptorType);
fprintf(fp,"bcdUSB = 0x%04x\n", desc.bcdUSB);
fprintf(fp,"bDeviceClass = 0x%02x\n", desc.bDeviceClass);
fprintf(fp,"bDeviceSubClass = 0x%02x\n", desc.bDeviceSubClass);
fprintf(fp,"bDeviceProtocol = 0x%02x\n", desc.bDeviceProtocol);
fprintf(fp,"bMaxPacketSize = %d\n", desc.bMaxPacketSize0);
fprintf(fp,"idVendor = 0x%04x\n", desc.idVendor);
fprintf(fp,"idProduct = 0x%04x\n", desc.idProduct);
fprintf(fp,"bcdDevice = 0x%04x\n", desc.bcdDevice);
fprintf(fp,"iManufacturer = %d\n", desc.iManufacturer);
fprintf(fp,"iProduct = %d\n", desc.iProduct);
fprintf(fp,"iSerialNumber = %d\n", desc.iSerialNumber);
fprintf(fp,"bNumConfigurations = %d\n", desc.bNumConfigurations);
cyusb_close();
return 0;
}
