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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 by Thomas Jarosch
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <libhal.h>
#include <libosso.h>
#include <SDL_thread.h>
#include "config.h"
#include "system.h"
#include "kernel.h"
#include "thread.h"
#include "power.h"
#include "debug.h"
#include "button.h"
/* Battery status information */
#define BME_UDI "/org/freedesktop/Hal/devices/bme"
#define BATTERY_PERCENTAGE "battery.charge_level.percentage"
#define BATTER_REMAINING_TIME "battery.remaining_time"
/* Bluetooth headset support */
#define BT_HEADSET_UDI "/org/freedesktop/Hal/devices/computer_logicaldev_input_1"
GMainLoop *maemo_main_loop = NULL;
osso_context_t *maemo_osso_ctx = NULL;
volatile int maemo_display_on = 1;
volatile int maemo_battery_level = 0;
volatile int maemo_remaining_time_sec = 0;
void display_status_callback(osso_display_state_t state, gpointer data)
{
(void)data;
if (state == OSSO_DISPLAY_OFF)
maemo_display_on = 0;
else
maemo_display_on = 1;
}
void get_battery_values(LibHalContext *ctx)
{
/* Get initial battery percentage and remaining time */
maemo_battery_level = libhal_device_get_property_int(
ctx, BME_UDI,
BATTERY_PERCENTAGE, NULL);
maemo_remaining_time_sec = libhal_device_get_property_int(
ctx, BME_UDI,
BATTER_REMAINING_TIME, NULL);
DEBUGF("[maemo] Battery percentage: %d, remaining_time_sec: %d\n", maemo_battery_level, maemo_remaining_time_sec);
}
static void on_battery_changed (LibHalContext *ctx,
const char *udi,
const char *key,
dbus_bool_t is_removed,
dbus_bool_t is_added)
{
(void)is_removed;
(void)is_added;
if (!g_str_equal (udi, BME_UDI))
return;
if (!g_str_equal (key, BATTERY_PERCENTAGE) && !g_str_equal (key, BATTER_REMAINING_TIME))
return;
get_battery_values(ctx);
}
static void on_bt_button_pressed(LibHalContext *ctx,
const char *udi,
const char *condition_name,
const char *condition_detail)
{
(void)ctx;
if (!g_str_equal (udi, BT_HEADSET_UDI) || !g_str_equal(condition_name, "ButtonPressed"))
return;
sim_enter_irq_handler();
if (g_str_equal(condition_detail, "play-cd") || g_str_equal(condition_detail, "pause-cd"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_PLAYPAUSE, 0);
else if (g_str_equal(condition_detail, "stop-cd"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_STOP, 0);
else if (g_str_equal(condition_detail, "next-song"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_NEXT, 0);
else if (g_str_equal(condition_detail, "previous-song"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_PREV, 0);
else if (g_str_equal(condition_detail, "fast-forward"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_FFWD, 0);
else if (g_str_equal(condition_detail, "rewind"))
queue_post(&button_queue, BUTTON_MULTIMEDIA_REW, 0);
sim_exit_irq_handler();
}
int maemo_thread_func (void *wait_for_osso_startup)
{
maemo_main_loop = g_main_loop_new (NULL, FALSE);
/* Register display callback */
maemo_osso_ctx = osso_initialize ("rockbox", "666", FALSE, NULL);
osso_hw_set_display_event_cb(maemo_osso_ctx, display_status_callback, NULL);
/* Register battery status callback */
LibHalContext *hal_ctx;
hal_ctx = libhal_ctx_new();
DBusConnection *system_bus = (DBusConnection*)osso_get_sys_dbus_connection(maemo_osso_ctx);
libhal_ctx_set_dbus_connection(hal_ctx, system_bus);
libhal_ctx_init(hal_ctx, NULL);
libhal_ctx_set_device_property_modified (hal_ctx, on_battery_changed);
libhal_device_add_property_watch (hal_ctx, BME_UDI, NULL);
/* Work around libhal API issue: We need to add a property watch
to get the condition change callback working */
libhal_device_add_property_watch (hal_ctx, BT_HEADSET_UDI, NULL);
libhal_ctx_set_device_condition(hal_ctx, on_bt_button_pressed);
get_battery_values(hal_ctx);
/* let system_init proceed */
SDL_SemPost((SDL_sem *)wait_for_osso_startup);
g_main_loop_run (maemo_main_loop);
/* Cleanup */
osso_deinitialize (maemo_osso_ctx);
libhal_device_remove_property_watch (hal_ctx, BT_HEADSET_UDI, NULL);
libhal_device_remove_property_watch (hal_ctx, BME_UDI, NULL);
libhal_ctx_shutdown (hal_ctx, NULL);
libhal_ctx_free(hal_ctx);
return 0;
}
/* Returns battery level in percent */
int _battery_level(void)
{
return maemo_battery_level;
}
/* Return remaining battery time in minutes */
int _battery_time(void)
{
return maemo_remaining_time_sec / 60;
}
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