Attachment 181961 Details for Bug 250482 – test program

test program

libusb_test.c (text/plain), 1.98 KB, created by Sam Bishop on 2007-08-30 20:42:51 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Sam Bishop

Created: 2007-08-30 20:42:51 UTC

Size: 1.98 KB

patch

obsolete

>#include <stdlib.h>
>#include <stdio.h>
>#include <string.h>
>
>#include <fcntl.h>
>#include <sys/types.h>
>#include <sys/stat.h>
>#include <time.h>
>#include <unistd.h>
>
>#include <usb.h>
>
>static const unsigned VENDOR_ID = 0x0634;
>static const unsigned PRODUCT_ID = 0x2000;
>
>struct usb_dev_handle *find_device()
>{
>    struct usb_dev_handle *handle;
>    struct usb_bus *bus;
>    struct usb_device *dev;
>
>    for (bus = usb_get_busses(); bus; bus = bus->next) {
>        for (dev = bus->devices; dev; dev = dev->next) {
>            if (dev->descriptor.idVendor != VENDOR_ID
>                    || dev->descriptor.idProduct != PRODUCT_ID)
>                continue;
>
>            handle = usb_open(dev);
>            if (!handle) {
>                fprintf(stderr, "unable to open device\n");
>                exit(2);
>            }
>
>            if (usb_claim_interface(handle, 0) < 0) {
>                fprintf(stderr, "unable to claim interface\n");
>                exit(2);
>            }
>
>            return handle;
>        }
>    }
>
>    return NULL;
>}
>
>int main(int argc, char **argv)
>{
>    struct usb_dev_handle *handle;
>    ssize_t ret;
>    char buf[42] = { 0x15, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 };
>
>    if (argc == 1) {
>        fprintf(stderr, "Usage: %s <word> [<word>...]\n", argv[0]);
>        exit(1);
>    }
>
>    usb_init();
>    usb_find_busses();
>    usb_find_devices();
>
>    handle = find_device();
>    if (!handle) {
>        fprintf(stderr, "unable to find device\n");
>        exit(2);
>    }
>
>    while (*++argv) {
>        strncpy(&buf[6], *argv, sizeof(buf) - 7);
>
>        /* Write the word to an LCD screen on the tester. */
>        ret = usb_bulk_write(handle, 0x02, buf, sizeof(buf), 3000);
>
>        if (0) {
>            struct timespec wait_length;
>            wait_length.tv_sec = 1;
>            wait_length.tv_nsec = 0;
>            nanosleep(&wait_length, NULL);
>        }
>    }
>
>    if (usb_release_interface(handle, 0) < 0) {
>        fprintf(stderr, "unable to release interface\n");
>        exit(2);
>    }
>
>    return 0;
>}
>

Actions: View

Attachments on bug 250482: 160461 | 181961 | 184321 | 205651