Phone
/* $Id$ */
/* Copyright (c) 2011-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* This code is inspired by existing work by Sebastian Reichel <sre@debian.org>,
* see https://elektranox.org/n900/libisi */
/* The N900 icon is adapted from an original work by Luc Andrea, CC BY-SA 3.0,
* see http://en.wikipedia.org/wiki/File:Nokia_N900_Maemo_icon.svg */
/* 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 */
/* types */
typedef struct _PhonePlugin
{
PhonePluginHelper * helper;
} N900;
/* prototypes */
/* plug-in */
static N900 * _n900_init(PhonePluginHelper * helper);
static void _n900_destroy(N900 * n900);
static int _n900_event(PhonePlugin * plugin, PhoneEvent * event);
/* public */
/* variables */
PhonePluginDefinition plugin =
{
"Nokia N900",
"phone-n900",
NULL,
_n900_init,
_n900_destroy,
_n900_event,
NULL
};
/* private */
/* functions */
/* plug-in */
/* n900_init */
static N900 * _n900_init(PhonePluginHelper * helper)
{
N900 * n900;
if((n900 = object_new(sizeof(*n900))) == NULL)
return NULL;
n900->helper = helper;
return n900;
}
/* n900_destroy */
static void _n900_destroy(N900 * n900)
{
object_delete(n900);
}
/* 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;
}