diff options
Diffstat (limited to 'examples/custom-class/commandline/set-led.c')
| -rw-r--r-- | examples/custom-class/commandline/set-led.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/examples/custom-class/commandline/set-led.c b/examples/custom-class/commandline/set-led.c index 07ba094..807adac 100644 --- a/examples/custom-class/commandline/set-led.c +++ b/examples/custom-class/commandline/set-led.c @@ -33,6 +33,9 @@ static void usage(char *name) fprintf(stderr, " %s on ....... turn on LED\n", name); fprintf(stderr, " %s off ...... turn off LED\n", name); fprintf(stderr, " %s status ... ask current status of LED\n", name); +#if HAVE_TEST + fprintf(stderr, " %s test ..... run driver reliability test\n", name); +#endif } int main(int argc, char **argv) @@ -40,7 +43,7 @@ int main(int argc, char **argv) usb_dev_handle *handle = NULL; const unsigned char rawVid[2] = {USB_CFG_VENDOR_ID}, rawPid[2] = {USB_CFG_DEVICE_ID}; char vendor[] = {USB_CFG_VENDOR_NAME, 0}, product[] = {USB_CFG_DEVICE_NAME, 0}; -char buffer[1]; +char buffer[4]; int cnt, vid, pid, isOn; usb_init(); @@ -75,6 +78,35 @@ int cnt, vid, pid, isOn; if(cnt < 0){ fprintf(stderr, "USB error: %s\n", usb_strerror()); } +#if HAVE_TEST + }else if(strcasecmp(argv[1], "test") == 0){ + int i; + srandomdev(); + for(i = 0; i < 5000; i++){ + int value = random() & 0xffff, index = random() & 0xffff; + int rxValue, rxIndex; + if((i+1) % 100 == 0){ + fprintf(stderr, "\r%04d", i+1); + fflush(stderr); + } + cnt = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN, CUSTOM_RQ_ECHO, value, index, buffer, sizeof(buffer), 5000); + if(cnt < 0){ + fprintf(stderr, "\nUSB error in iteration %d: %s\n", i, usb_strerror()); + break; + }else if(cnt != 4){ + fprintf(stderr, "\nerror in iteration %d: %d bytes received instead of 4\n", i, cnt); + break; + } + rxValue = ((int)buffer[0] & 0xff) | (((int)buffer[1] & 0xff) << 8); + rxIndex = ((int)buffer[2] & 0xff) | (((int)buffer[3] & 0xff) << 8); + if(rxValue != value || rxIndex != index){ + fprintf(stderr, "\ndata error in iteration %d:\n", i); + fprintf(stderr, "rxValue = 0x%04x value = 0x%04x\n", rxValue, value); + fprintf(stderr, "rxIndex = 0x%04x index = 0x%04x\n", rxIndex, index); + } + } + fprintf(stderr, "\nTest completed.\n"); +#endif }else{ usage(argv[0]); exit(1); |