Files
libratbag/tools/hidpp20-reset.c
Filipe Laíns 26c534cc74 hidpp20: check supported report types
Fixes #854

Signed-off-by: Filipe Laíns <lains@archlinux.org>
2019-12-18 19:23:31 +00:00

111 lines
2.8 KiB
C

/*
* Copyright © 2017 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <config.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <hidpp20.h>
#include <libratbag-util.h>
static inline int
reset_sector(struct hidpp20_device *dev, uint16_t sector_size, uint16_t sector)
{
int rc = 0;
_cleanup_free_ uint8_t *data = NULL;
data = zalloc(sector_size);
/* this returns error 4: hardware error and is expected */
rc = hidpp20_onboard_profiles_write_sector(dev, sector, sector_size, data, false);
if (rc == 4)
rc = 0;
return rc;
}
static int
reset_all_sectors(struct hidpp20_device *dev, uint16_t sector_size)
{
uint8_t sector;
int rc = 0;
for (sector = 1; sector < 31; sector++) {
rc = reset_sector(dev, sector_size, sector);
if (rc != 0)
break;
}
if (!rc)
rc = reset_sector(dev, sector_size, 0);
return rc;
}
static void
usage(void)
{
printf("Usage: %s [sector] /dev/hidraw0\n", program_invocation_short_name);
}
int
main(int argc, char **argv)
{
_cleanup_close_ int fd = -1;
const char *path;
size_t sector = 0;
struct hidpp20_device *dev = NULL;
struct hidpp_device base;
struct hidpp20_onboard_profiles_info info = { 0 };
int rc;
if (argc < 2 || argc > 3) {
usage();
return 1;
}
path = argv[argc - 1];
fd = open(path, O_RDWR);
if (fd < 0)
error(1, errno, "Failed to open path %s", path);
hidpp_device_init(&base, fd);
dev = hidpp20_device_new(&base, 0xff, NULL, 0);
if (!dev)
error(1, 0, "Failed to open %s as a HID++ 2.0 device", path);
hidpp20_onboard_profiles_get_profiles_desc(dev, &info);
if (argc == 2)
rc = reset_all_sectors(dev, info.sector_size);
else {
sector = atoi(argv[1]);
rc = reset_sector(dev, info.sector_size, sector);
}
hidpp20_device_destroy(dev);
return rc;
}