mirror of https://github.com/nirenjan/libx52.git
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
|
|
* LibUSB test utility library
|
|
*
|
|
* This program calls the libusb_control_transfer API to log the bytes to
|
|
* the given file. This is useful to generate a file with the same syntax
|
|
* and verify that they match.
|
|
*
|
|
* Copyright (C) Nirenjan Krishnan (nirenjan@nirenjan.org)
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include "libusbx52.h"
|
|
#include "x52_commands.h"
|
|
|
|
libusb_context *global_context;
|
|
|
|
static int send_command(libusb_device_handle *hdl, uint16_t index, uint16_t value)
|
|
{
|
|
return libusb_control_transfer(hdl,
|
|
LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT,
|
|
X52_VENDOR_REQUEST, value, index, NULL, 0, 5000);
|
|
}
|
|
|
|
static libusb_device_handle *libusbx52_init(void)
|
|
{
|
|
int rc;
|
|
ssize_t count;
|
|
int i;
|
|
libusb_device **list;
|
|
libusb_device_handle *hdl = NULL;
|
|
struct libusb_device_descriptor desc;
|
|
|
|
rc = libusb_init(&global_context);
|
|
if (rc) {
|
|
return NULL;
|
|
}
|
|
|
|
#if defined(LIBUSB_API_VERSION) && (LIBUSB_API_VERSION >= 0x01000106)
|
|
/*
|
|
* Use the libusb_set_option flag instead of libusb_set_debug. This
|
|
* was introduced in libusb 1.0.22
|
|
*/
|
|
libusb_set_option(global_context, LIBUSB_OPTION_LOG_LEVEL,
|
|
LIBUSB_LOG_LEVEL_ERROR);
|
|
#else
|
|
libusb_set_debug(global_context, LIBUSB_LOG_LEVEL_ERROR);
|
|
#endif
|
|
|
|
count = libusb_get_device_list(global_context, &list);
|
|
for (i = 0; i < count; i++) {
|
|
libusb_device *device = list[i];
|
|
if (!libusb_get_device_descriptor(device, &desc)) {
|
|
if (desc.idVendor == 0x06a3) {
|
|
if (desc.idProduct == 0x0762) {
|
|
rc = libusb_open(device, &hdl);
|
|
if (rc) {
|
|
if (hdl) free(hdl);
|
|
hdl = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
libusb_free_device_list(list, 1);
|
|
|
|
return hdl;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
unsigned int index;
|
|
unsigned int value;
|
|
int i;
|
|
libusb_device_handle *hdl;
|
|
libusb_context *ctx;
|
|
|
|
hdl = libusbx52_init();
|
|
ctx = hdl->ctx;
|
|
|
|
/* Process arguments until there are fewer than 2 remaining */
|
|
for (i = 1; i < argc && (argc - i) >= 2; i += 2) {
|
|
int parsed;
|
|
parsed = sscanf(argv[i], "%x", &index);
|
|
if (parsed != 1) break;
|
|
|
|
parsed = sscanf(argv[i+1], "%x", &value);
|
|
if (parsed != 1) break;
|
|
|
|
send_command(hdl, index, value);
|
|
}
|
|
|
|
libusb_close(hdl);
|
|
libusb_exit(ctx);
|
|
|
|
return 0;
|
|
}
|