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Initial maemo platform support

Browse source 
Adds Nokia N900, N810 and N800 support.

Features:
- Introduce maemo specific platform defines
- Play audio in silent mode
- Stop playback on incoming calls
- Battery level readout
- Bluetooth headset support
- Save CPU by disabling screen updates if the display
  is off or the app doesn't have input focus
- N900: GStreamer audio backend

Kudos to kugel for the code review.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29248 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Jarosch 2011-02-08 20:05:25 +00:00
parent 4d12904439
commit 5f037ac015
22 changed files with 970 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

50
firmware/target/hosted/sdl/system-sdl.c
View file

@ -40,6 +40,13 @@
#include "panic.h"
#include "debug.h"
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
#include <glib.h>
#include <glib-object.h>
#include "maemo-thread.h"
#endif
SDL_Surface *gui_surface;
bool background = true; /* use backgrounds by default */
@ -82,9 +89,13 @@ static int sdl_event_thread(void * param)
{
SDL_InitSubSystem(SDL_INIT_VIDEO);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
SDL_sem *wait_for_maemo_startup;
#endif
SDL_Surface *picture_surface = NULL;
int width, height;
int depth;
Uint32 flags;
/* Try and load the background image. If it fails go without */
if (background) {
@ -121,10 +132,21 @@ static int sdl_event_thread(void * param)
if (depth < 8)
depth = 16;
if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, depth, SDL_HWSURFACE|SDL_DOUBLEBUF)) == NULL) {
flags = SDL_HWSURFACE|SDL_DOUBLEBUF;
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Fullscreen mode for maemo app */
flags |= SDL_FULLSCREEN;
#endif
if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, depth, flags)) == NULL) {
panicf("%s", SDL_GetError());
}
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Hide mouse cursor on real touchscreen device */
SDL_ShowCursor(SDL_DISABLE);
#endif
SDL_WM_SetCaption(UI_TITLE, NULL);
if (background && picture_surface != NULL)
@ -133,10 +155,30 @@ static int sdl_event_thread(void * param)
/* let system_init proceed */
SDL_SemPost((SDL_sem *)param);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Start maemo thread: Listen to display on/off events and battery monitoring */
wait_for_maemo_startup = SDL_CreateSemaphore(0); /* 0-count so it blocks */
SDL_Thread *maemo_thread = SDL_CreateThread(maemo_thread_func, wait_for_maemo_startup);
#endif
/*
* finally enter the button loop */
gui_message_loop();
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Ensure maemo thread is up and running */
SDL_SemWait(wait_for_maemo_startup);
SDL_DestroySemaphore(wait_for_maemo_startup);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO5)
pcm_shutdown_gstreamer();
#endif
g_main_loop_quit (maemo_main_loop);
g_main_loop_unref(maemo_main_loop);
SDL_WaitThread(maemo_thread, NULL);
#endif
if(picture_surface)
SDL_FreeSurface(picture_surface);
@ -161,6 +203,12 @@ void system_init(void)
{
SDL_sem *s;
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Make glib thread safe */
g_thread_init(NULL);
g_type_init();
#endif
if (SDL_Init(SDL_INIT_TIMER))
panicf("%s", SDL_GetError());