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/* Misc HW routines for NuRAN Wireless OC-2G BTS */
/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
*
* Based on sysmoBTS:
* (C) 2012 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdint.h>
#include <unistd.h>
#include <limits.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <osmocom/core/utils.h>
#include "hw_misc.h"
int oc2gbts_led_set(enum oc2gbts_led_color c)
{
int fd, rc;
uint8_t cmd[2];
switch (c) {
case LED_OFF:
cmd[0] = 0;
cmd[1] = 0;
break;
case LED_RED:
cmd[0] = 1;
cmd[1] = 0;
break;
case LED_GREEN:
cmd[0] = 0;
cmd[1] = 1;
break;
case LED_ORANGE:
cmd[0] = 1;
cmd[1] = 1;
break;
default:
return -EINVAL;
}
fd = open("/var/oc2g/leds/led0/brightness", O_WRONLY);
if (fd < 0)
return -ENODEV;
rc = write(fd, cmd[0] ? "1" : "0", 2);
if (rc != 2) {
close(fd);
return -1;
}
close(fd);
fd = open("/var/oc2g/leds/led1/brightness", O_WRONLY);
if (fd < 0)
return -ENODEV;
rc = write(fd, cmd[1] ? "1" : "0", 2);
if (rc != 2) {
close(fd);
return -1;
}
close(fd);
return 0;
}
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