int
usb_reset(usb_dev_handle * dev)
{
int err;
err = libusb20_dev_reset((void *)dev);
if (err)
return (-1);
/*
* Be compatible with LibUSB from sourceforge and close the
* handle after reset!
*/
return (usb_close(dev));
}
void
usb_port_reset_test(uint16_t vid, uint16_t pid, uint32_t duration)
{
struct timeval sub_tv;
struct timeval ref_tv;
struct timeval res_tv;
struct libusb20_device *pdev;
int error;
int iter;
int errcnt;
time_t last_sec;
/* sysctl() - no set config */
pdev = find_usb_device(vid, pid);
if (pdev == NULL) {
printf("USB device not found\n");
return;
}
error = libusb20_dev_open(pdev, 0);
if (error) {
libusb20_dev_free(pdev);
printf("Could not open USB device\n");
return;
}
iter = 0;
errcnt = 0;
gettimeofday(&ref_tv, 0);
last_sec = ref_tv.tv_sec;
while (1) {
gettimeofday(&sub_tv, 0);
if (last_sec != sub_tv.tv_sec) {
printf("STATUS: ID=%u, ERR=%u\n",
(int)iter, (int)errcnt);
fflush(stdout);
last_sec = sub_tv.tv_sec;
}
timersub(&sub_tv, &ref_tv, &res_tv);
if ((res_tv.tv_sec < 0) || (res_tv.tv_sec >= (int)duration))
break;
if (libusb20_dev_reset(pdev)) {
errcnt++;
usleep(50000);
}
if (libusb20_dev_check_connected(pdev) != 0) {
printf("Device disconnected\n");
break;
}
iter++;
}
libusb20_dev_reset(pdev);
libusb20_dev_free(pdev);
}