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