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#include "project.h"
static void poke(libusb_device_handle *devh)
{
uint32_t timeout=4000;
char buf[128];
int len;
len= libusb_control_transfer( devh,
/* bmRequestType */ LIBUSB_ENDPOINT_IN | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_INTERFACE,
/* bRequest */ 0x34,
/* wValue */ 0x1234,
/* wIndex */ 0x5678,
/* Data */ buf,
/* wLength */ sizeof(buf), timeout );
if (len>=0)
hexdump(">",buf,len);
}
static void poke_device(libusb_device *dev, struct libusb_device_descriptor *desc)
{
int ret;
libusb_device_handle *devh;
ret=libusb_open(dev, &devh);
if (ret) {
warn("unable to open device: %i",ret);
return;
}
printf("poke\n");
poke(devh);
libusb_close(devh);
}
void probe_devices(libusb_context *ctx)
{
libusb_device **list;
ssize_t num_devs;
ssize_t i;
num_devs = libusb_get_device_list(ctx, &list);
for (i = 0; i < num_devs; ++i) {
struct libusb_device_descriptor desc;
struct libusb_device *dev = list[i];
if (libusb_get_device_descriptor(dev, &desc))
continue;
if (desc.idVendor!=0x1d6b) continue;
if (desc.idProduct!=0x1932) continue;
poke_device(dev,&desc);
}
libusb_free_device_list(list, 0);
}
int main(int argc,char *argv)
{
int ret;
libusb_context *ctx;
ret = libusb_init(&ctx);
if (ret)
errx(EX_IOERR, "unable to initialize libusb: %i", ret);
libusb_set_debug(ctx, 255);
probe_devices(ctx);
return 0;
}
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