Desktop
/* $Id: n900.c,v 1.1 2011/08/18 02:40:36 khorben Exp $ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This code is inspired by existing work by Sebastian Reichel <sre@debian.org>,
* see https://elektranox.org/n900/libisi */
/* TODO:
* - test on actual hardware */
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <gtk/gtk.h>
#include <System.h>
#include "Phone.h"
/* N900 */
/* prototypes */
/* plug-in */
static int _n900_event(PhonePlugin * plugin, PhoneEvent * event);
/* public */
/* variables */
PhonePlugin plugin =
{
NULL,
"Nokia N900",
NULL,
NULL,
NULL,
_n900_event,
NULL,
NULL
};
/* private */
/* n900_event */
static int _event_power_on(PhonePlugin * plugin, gboolean power);
static int _n900_event(PhonePlugin * plugin, PhoneEvent * event)
{
switch(event->type)
{
case PHONE_EVENT_TYPE_OFFLINE:
_event_power_on(plugin, FALSE);
break;
case PHONE_EVENT_TYPE_ONLINE:
_event_power_on(plugin, TRUE);
break;
default:
break;
}
return 0;
}
static int _event_power_on(PhonePlugin * plugin, gboolean power)
{
int ret = 0;
char const root[] = "/sys/devices/platform/gpio-switch";
struct
{
char const * name;
int enable;
int disable;
unsigned int delay;
} commands[] = {
{ "cmt_apeslpx", 0, 0, 0 },
{ "cmt_rst_rq", 0, 0, 0 },
{ "cmt_bsi", 0, -1, 0 },
{ "cmt_rst", 0, 0, 0 },
{ "cmt_en", 1, 0, 0 },
{ "cmt_rst", 1, 1, 0 },
{ "cmt_rst_eq", 1, -1, 0 },
{ "cmt_en", 1, -1, 5 },
};
size_t i;
int fd;
char path[256];
char buf[256];
int len;
for(i = 0; i < sizeof(commands) / sizeof(*commands) && ret == 0; i++)
{
if((power ? commands[i].enable : commands[i].disable) < 0)
continue;
if(commands[i].delay > 0)
/* FIXME freezes the application for as long */
sleep(commands[i].delay);
snprintf(path, sizeof(path), "%s/%s/%s", root, commands[i].name,
"state");
if((fd = open(path, O_WRONLY)) < 0)
{
snprintf(buf, sizeof(buf), "%s: %s", path, strerror(
errno));
ret = plugin->helper->error(NULL, buf, 1);
break;
}
len = snprintf(buf, sizeof(buf), "%s", power ? "active"
: "inactive");
if(write(fd, buf, len) != len)
{
snprintf(buf, sizeof(buf), "%s: %s", path,
strerror(errno));
ret = plugin->helper->error(NULL, buf, 1);
}
close(fd);
}
return ret;
}