void
dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv)
{
char buf[128];
uint8_t n;
unsigned int usage;
usage = libusb20_dev_get_power_usage(pdev);
printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n",
libusb20_dev_get_desc(pdev),
libusb20_dev_get_config_index(pdev),
dump_mode(libusb20_dev_get_mode(pdev)),
dump_speed(libusb20_dev_get_speed(pdev)),
dump_power_mode(libusb20_dev_get_power_mode(pdev)),
usage);
if (!show_ifdrv)
return;
for (n = 0; n != 255; n++) {
if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
break;
if (buf[0] == 0)
continue;
printf("ugen%u.%u.%u: %s\n",
libusb20_dev_get_bus_number(pdev),
libusb20_dev_get_address(pdev), n, buf);
}
}
void
usb_suspend_resume_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;
time_t last_sec;
int iter;
int error;
int ptimo;
int errcnt;
int power_old;
ptimo = 1; /* second(s) */
error = sysctlbyname("hw.usb.power_timeout", NULL, NULL,
&ptimo, sizeof(ptimo));
if (error != 0) {
printf("WARNING: Could not set power "
"timeout to 1 (error=%d) \n", errno);
}
pdev = find_usb_device(vid, pid);
if (pdev == NULL) {
printf("USB device not found\n");
return;
}
error = libusb20_dev_open(pdev, 0);
if (error) {
printf("Could not open USB device\n");
libusb20_dev_free(pdev);
return;
}
power_old = libusb20_dev_get_power_mode(pdev);
printf("Starting suspend and resume "
"test for VID=0x%04x PID=0x%04x\n", vid, pid);
iter = 0;
errcnt = 0;
gettimeofday(&ref_tv, 0);
last_sec = ref_tv.tv_sec;
while (1) {
if (libusb20_dev_check_connected(pdev) != 0) {
printf("Device disconnected\n");
break;
}
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;
error = libusb20_dev_set_power_mode(pdev, (iter & 1) ?
LIBUSB20_POWER_ON : LIBUSB20_POWER_SAVE);
if (error)
errcnt++;
/* wait before switching power mode */
usleep(4100000 +
(((uint32_t)usb_ts_rand_noise()) % 2000000U));
iter++;
}
/* restore default power mode */
libusb20_dev_set_power_mode(pdev, power_old);
libusb20_dev_free(pdev);
}
