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-rwxr-xr-xbackends/platform/gp2x/build/config-alleng.sh2
-rwxr-xr-xbackends/platform/gp2x/build/config.sh2
-rw-r--r--backends/platform/gp2x/events.cpp31
-rw-r--r--backends/platform/gp2x/gp2x-hw.cpp95
-rw-r--r--backends/platform/gp2x/gp2x-hw.h18
-rw-r--r--backends/platform/gp2x/gp2x.cpp13
6 files changed, 71 insertions, 90 deletions
diff --git a/backends/platform/gp2x/build/config-alleng.sh b/backends/platform/gp2x/build/config-alleng.sh
index 5724f39dc5..4a3526d50c 100755
--- a/backends/platform/gp2x/build/config-alleng.sh
+++ b/backends/platform/gp2x/build/config-alleng.sh
@@ -18,6 +18,6 @@ export DEFINES=-DNDEBUG
# Edit the configure line to suit.
cd ../../../..
./configure --backend=gp2x --disable-mt32emu --host=gp2x --disable-flac --disable-nasm --disable-hq-scalers --with-sdl-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6/bin --with-mpeg2-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-tremor --with-tremor-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-zlib --with-zlib-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-mad --with-mad-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-all-engines --enable-vkeybd
-# --enable-plugins --default-dynamic
+#--enable-plugins --default-dynamic
echo Generating config for GP2X complete. Check for errors.
diff --git a/backends/platform/gp2x/build/config.sh b/backends/platform/gp2x/build/config.sh
index 55954d6231..2bc49564f7 100755
--- a/backends/platform/gp2x/build/config.sh
+++ b/backends/platform/gp2x/build/config.sh
@@ -18,6 +18,6 @@ export DEFINES=-DNDEBUG
# Edit the configure line to suit.
cd ../../../..
./configure --backend=gp2x --disable-mt32emu --host=gp2x --disable-flac --disable-nasm --disable-hq-scalers --with-sdl-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6/bin --with-mpeg2-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-tremor --with-tremor-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-zlib --with-zlib-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-mad --with-mad-prefix=/opt/open2x/gcc-4.1.1-glibc-2.3.6 --enable-vkeybd
-# --enable-plugins --default-dynamic
+#--enable-plugins --default-dynamic
echo Generating config for GP2X complete. Check for errors.
diff --git a/backends/platform/gp2x/events.cpp b/backends/platform/gp2x/events.cpp
index 9a9a59765d..8cd034d2d5 100644
--- a/backends/platform/gp2x/events.cpp
+++ b/backends/platform/gp2x/events.cpp
@@ -35,7 +35,7 @@
#include "common/events.h"
// FIXME move joystick defines out and replace with confile file options
-// we should really allow users to map any key to a joystick button
+// we should really allow users to map any key to a joystick button using the keymapper.
#define JOY_DEADZONE 2200
#define JOY_XAXIS 0
@@ -273,7 +273,7 @@ bool OSystem_GP2X::pollEvent(Common::Event &event) {
Combos:
- GP2X_BUTTON_VOLUP & GP2X_BUTTON_VOLDOWN 0 (For Monkey 2 CP)
+ GP2X_BUTTON_VOLUP & GP2X_BUTTON_VOLDOWN 0 (For Monkey 2 CP) or Virtual Keyboard if enabled
GP2X_BUTTON_L & GP2X_BUTTON_SELECT Common::EVENT_QUIT (Calls Sync() to make sure SD is flushed)
GP2X_BUTTON_L & GP2X_BUTTON_Y Toggles setZoomOnMouse() for larger then 320*240 games to scale to the point + raduis.
GP2X_BUTTON_L & GP2X_BUTTON_START Common::EVENT_MAINMENU (ScummVM Global Main Menu)
@@ -434,29 +434,22 @@ bool OSystem_GP2X::pollEvent(Common::Event &event) {
}
break;
case GP2X_BUTTON_VOLUP:
- //if (GP2X_BUTTON_STATE_L == TRUE) {
- // displayMessageOnOSD("Setting CPU Speed at 230MHz");
- // GP2X_setCpuspeed(200);
- //event.kbd.keycode = Common::KEYCODE_PLUS;
- //event.kbd.ascii = mapKey(SDLK_PLUS, ev.key.keysym.mod, 0);
- //} else {
- GP2X_mixer_move_volume(1);
+ GP2X_HW::mixerMoveVolume(2);
+ if (GP2X_HW::volumeLevel == 100) {
+ displayMessageOnOSD("Maximum Volume");
+ } else {
displayMessageOnOSD("Increasing Volume");
- //}
+ }
break;
case GP2X_BUTTON_VOLDOWN:
- //if (GP2X_BUTTON_STATE_L == TRUE) {
- // displayMessageOnOSD("Setting CPU Speed at 60MHz");
- // GP2X_setCpuspeed(60);
- //event.kbd.keycode = Common::KEYCODE_MINUS;
- //event.kbd.ascii = mapKey(SDLK_MINUS, ev.key.keysym.mod, 0);
- //} else {
- GP2X_mixer_move_volume(0);
+ GP2X_HW::mixerMoveVolume(1);
+ if (GP2X_HW::volumeLevel == 0) {
+ displayMessageOnOSD("Minimal Volume");
+ } else {
displayMessageOnOSD("Decreasing Volume");
- //}
+ }
break;
-
}
}
return true;
diff --git a/backends/platform/gp2x/gp2x-hw.cpp b/backends/platform/gp2x/gp2x-hw.cpp
index fe02e029f7..9eb6b040c0 100644
--- a/backends/platform/gp2x/gp2x-hw.cpp
+++ b/backends/platform/gp2x/gp2x-hw.cpp
@@ -48,6 +48,20 @@
#include <sys/time.h>
#include <unistd.h>
+namespace GP2X_HW {
+
+enum {
+ VOLUME_NOCHG = 0,
+ VOLUME_DOWN = 1,
+ VOLUME_UP = 2,
+ VOLUME_CHANGE_RATE = 8,
+ VOLUME_MIN = 0,
+ VOLUME_INITIAL = 70,
+ VOLUME_MAX = 100
+};
+
+int volumeLevel = VOLUME_INITIAL;
+
/* system registers */
static struct
{
@@ -61,14 +75,14 @@ static volatile unsigned short *MEM_REG;
#define SYS_CLK_FREQ 7372800
-void GP2X_device_init() {
+void deviceInit() {
// Open devices
if (!gp2x_dev[0]) gp2x_dev[0] = open("/dev/mixer", O_RDWR);
if (!gp2x_dev[1]) gp2x_dev[1] = open("/dev/batt", O_RDONLY);
if (!gp2x_dev[2]) gp2x_dev[2] = open("/dev/mem", O_RDWR);
}
-void GP2X_device_deinit() {
+void deviceDeinit() {
// Close devices
{
int i;
@@ -92,68 +106,35 @@ void GP2X_device_deinit() {
unpatchMMU();
}
-// Vairous mixer level fudges.
-// TODO: Clean up and merge quick hacks.
-
-void GP2X_mixer_set_volume(int L /*0..100*/, int R /*0..100*/) {
-
- /* Set an arbitrary percentage value for the hardware mixer volume.
-
- Parameters:
- L (0..100) - volume percentage for the left channel
- R (0..100) - volume percentage for the right channel
-
- Note:
- - A higher percentage than 100 will distort your sound.
- */
-
- unsigned char temp[4];
-
- if (L < 0) L = 0;
- if (L > GP2X_MAXVOL) L = GP2X_MAXVOL;
- if (R < 0) R = 0;
- if (R > GP2X_MAXVOL) R = GP2X_MAXVOL;
-
- temp[0]=(unsigned char)L;
- temp[1]=(unsigned char)R;
- temp[2]=temp[3]=0;
-
- //warning("GP2X_mixer_set_volume is about to set %d %d", L, R);
- ioctl(gp2x_dev[0], SOUND_MIXER_WRITE_PCM, temp);
-}
-
-int GP2X_mixer_get_volume() {
- int vol;
- ioctl(gp2x_dev[0], SOUND_MIXER_READ_PCM, &vol);
- //warning("GP2X_mixer_get_volume returned %d %d", (int)((vol & 0xff)), (int)((vol >> 8) & 0xff));
- return (int)((vol & 0xff));
+void mixerMoveVolume(int direction) {
+ if (volumeLevel <= 10) {
+ if (direction == VOLUME_UP) volumeLevel += VOLUME_CHANGE_RATE/2;
+ if (direction == VOLUME_DOWN) volumeLevel -= VOLUME_CHANGE_RATE/2;
+ } else {
+ if(direction == VOLUME_UP) volumeLevel += VOLUME_CHANGE_RATE;
+ if(direction == VOLUME_DOWN) volumeLevel -= VOLUME_CHANGE_RATE;
+ }
+
+ if (volumeLevel < VOLUME_MIN) volumeLevel = VOLUME_MIN;
+ if (volumeLevel > VOLUME_MAX) volumeLevel = VOLUME_MAX;
+
+ unsigned long soundDev = open("/dev/mixer", O_RDWR);
+
+ if(soundDev) {
+ int vol = ((volumeLevel << 8) | volumeLevel);
+ ioctl(soundDev, SOUND_MIXER_WRITE_PCM, &vol);
+ close(soundDev);
+ }
}
-void GP2X_mixer_move_volume(int UpDown) {
- // Raise volume 5% if 1 passed, lower 5% if 0.
- int curvol, newvol;
- ioctl(gp2x_dev[0], SOUND_MIXER_READ_PCM, &curvol);
- curvol = ((int)((curvol & 0xff)));
- newvol = ((int)((curvol & 0xff)));
- //warning("GP2X_mixer_move_volume got current volume @ %d", curvol);
- if (UpDown == 1) {
- newvol = (curvol + 5);
- } else if (UpDown == 0) {
- newvol = (curvol - 5);
- }
- //warning("GP2X_mixer_move_volume is about to set volume @ %d", newvol);
- GP2X_mixer_set_volume(newvol, newvol);
- return;
-}
-
-void GP2X_setCpuspeed(unsigned int mhz)
+void setCpuspeed(unsigned int mhz)
{
set_FCLK(mhz);
set_DCLK_Div(0);
set_920_Div(0);
}
-int GP2X_getBattLevel() {
+int getBattLevel() {
int devbatt;
unsigned short currentval=0;
devbatt = open("/dev/batt", O_RDONLY);
@@ -213,3 +194,5 @@ void gp2x_video_wait_vsync(void)
MEM_REG[0x2846>>1]=(MEM_REG[0x2846>>1] | 0x20) & ~2;
while (!(MEM_REG[0x2846>>1] & 2));
}
+
+} /* namespace GP2X_HW */ \ No newline at end of file
diff --git a/backends/platform/gp2x/gp2x-hw.h b/backends/platform/gp2x/gp2x-hw.h
index 89ad1093e4..7e72812cc4 100644
--- a/backends/platform/gp2x/gp2x-hw.h
+++ b/backends/platform/gp2x/gp2x-hw.h
@@ -31,16 +31,18 @@
#ifndef GP2X_HW_H
#define GP2X_HW_H
+namespace GP2X_HW {
+
#define GP2X_MAXVOL 100 // Highest level permitted by GP2X's mixer
#define SYS_CLK_FREQ 7372800 // Clock Frequency
-extern void GP2X_device_init();
-extern void GP2X_device_deinit();
-extern void GP2X_mixer_set_volume(int, int);
-extern int GP2X_mixer_get_volume();
-extern void GP2X_mixer_move_volume(int);
-extern void GP2X_setCpuspeed(unsigned int cpuspeed);
-extern int GP2X_getBattLevel();
+extern int volumeLevel;
+
+extern void deviceInit();
+extern void deviceDeinit();
+extern void mixerMoveVolume(int);
+extern void setCpuspeed(unsigned int cpuspeed);
+extern int getBattLevel();
extern void save_system_regs(void); /* save some registers */
extern void set_display_clock_div(unsigned div);
@@ -50,4 +52,6 @@ extern void set_DCLK_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+di
extern void Disable_940(void); /* 940t down */
extern void gp2x_video_wait_vsync(void);
+} /* namespace GP2X_HW */
+
#endif //GP2X_HW_H
diff --git a/backends/platform/gp2x/gp2x.cpp b/backends/platform/gp2x/gp2x.cpp
index 553385807a..4752646083 100644
--- a/backends/platform/gp2x/gp2x.cpp
+++ b/backends/platform/gp2x/gp2x.cpp
@@ -233,15 +233,16 @@ void OSystem_GP2X::initBackend() {
// switch. Still, it's a potential future change to keep in mind.
_timer = new DefaultTimerManager();
_timerID = SDL_AddTimer(10, &timer_handler, _timer);
+ }
+
+ /* Initialise any GP2X specific stuff we may want (Batt Status, scaler etc.) */
+ GP2X_HW::deviceInit();
- // Initialise any GP2X specific stuff we may want (Volume, Batt Status etc.)
- GP2X_device_init();
+ /* Set Default hardware mixer volume to a preset level (VOLUME_INITIAL). This is done to 'reset' volume level if set by other apps. */
+ GP2X_HW::mixerMoveVolume(0);
// Set Default hardware mixer volume to a plesent level.
// This is done to 'reset' volume level if set by other apps.
- GP2X_mixer_set_volume(70, 70);
-
- }
//if (SDL_GP2X_MouseType() == 0) {
// // No mouse, F100 default state.
@@ -448,7 +449,7 @@ void OSystem_GP2X::quit() {
if (_joystick)
SDL_JoystickClose(_joystick);
//CloseRam();
- GP2X_device_deinit();
+ GP2X_HW::deviceDeinit();
SDL_RemoveTimer(_timerID);
closeMixer();
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:44:46 +0000