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implemented sleep and power off

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This commit is contained in:
Shaun Inman 2023-01-05 22:15:46 -05:00
parent 2cc36b97d5
commit db0042e57e
3 changed files with 102 additions and 33 deletions
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97
src/common/api.c
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@ -12,23 +12,13 @@
#include <SDL/SDL_ttf.h>
#include <errno.h>
#include <msettings.h>
#include "api.h"
#include "utils.h"
#include "defines.h"
///////////////////////////////
// TODO: tmp
void powerOff(void) {
system("echo u > /proc/sysrq-trigger");
system("echo s > /proc/sysrq-trigger");
system("echo o > /proc/sysrq-trigger");
}
void fauxSleep(void) { }
int preventAutosleep(void) { return 0; }
int isCharging() { return 0; }
///////////////////////////////
void LOG_note(int level, const char* fmt, ...) {
char buf[1024] = {0};
va_list args;
@ -115,11 +105,11 @@ struct owlfb_mem_info {
///////////////////////////////
// NOTE: even with a buffer vsync blocks without threading
#define GFX_BUFFER_COUNT 3
#define GFX_ENABLE_VSYNC
// #define GFX_ENABLE_BUFFER
// NOTE: even with a buffer vsync blocks without threading
#define GFX_ENABLE_BUFFER
///////////////////////////////
@ -176,7 +166,7 @@ SDL_Surface* GFX_init(void) {
gfx.vinfo.xres_virtual = SCREEN_WIDTH;
gfx.vinfo.yres_virtual = SCREEN_HEIGHT;
#ifdef GFX_ENABLE_BUFFER
gfx.vinfo.yres_virtual *= GFX_BUFFER_COUNT
gfx.vinfo.yres_virtual *= GFX_BUFFER_COUNT;
#endif
#if defined (GFX_ENABLE_BUFFER) && !defined (GFX_ENABLE_VSYNC)
gfx.vinfo.xoffset = 0;
@ -563,4 +553,77 @@ void PAD_poll(void) {
int PAD_anyPressed(void) { return pad.is_pressed!=BTN_NONE; }
int PAD_justPressed(int btn) { return pad.just_pressed & btn; }
int PAD_isPressed(int btn) { return pad.is_pressed & btn; }
int PAD_justReleased(int btn) { return pad.just_released & btn; }
int PAD_justReleased(int btn) { return pad.just_released & btn; }
///////////////////////////////
static int can_poweroff = 1;
void POW_disablePowerOff(void) {
can_poweroff = 0;
}
void POW_powerOff(void) {
if (can_poweroff) {
system("echo u > /proc/sysrq-trigger");
system("echo s > /proc/sysrq-trigger");
system("echo o > /proc/sysrq-trigger");
}
}
#define BACKLIGHT_PATH "/sys/class/backlight/backlight.2/bl_power"
#define GOVERNOR_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
static char governor[128];
static void POW_enterSleep(void) {
SetRawVolume(0);
putInt(BACKLIGHT_PATH, FB_BLANK_POWERDOWN);
// save current governor (either ondemand or performance)
getFile(GOVERNOR_PATH, governor, 128);
trimTrailingNewlines(governor);
putFile(GOVERNOR_PATH, "powersave");
sync();
}
static void POW_exitSleep(void) {
putInt(BACKLIGHT_PATH, FB_BLANK_UNBLANK);
SetVolume(GetVolume());
// restore previous governor
putFile(GOVERNOR_PATH, governor);
}
static void POW_waitForWake(void) {
SDL_Event event;
int wake = 0;
unsigned long sleep_ticks = SDL_GetTicks();
while (!wake) {
while (SDL_PollEvent(&event)) {
if (event.type==SDL_KEYUP) {
uint8_t code = event.key.keysym.scancode;
if (code==CODE_POWER) {
wake = 1;
break;
}
}
}
SDL_Delay(200);
if (can_poweroff && SDL_GetTicks()-sleep_ticks>=120000) { // increased to two minutes
if (POW_isCharging()) sleep_ticks += 60000; // check again in a minute
else POW_powerOff(); // TODO: not working...
}
}
return;
}
void POW_fauxSleep(void) {
GFX_clear(gfx.screen);
PAD_reset();
POW_enterSleep();
// TODO: pause keymon
POW_waitForWake();
// TODO: resume keymon
POW_exitSleep();
}
int POW_preventAutosleep(void) {
return POW_isCharging();
}
int POW_isCharging() {
return getInt("/sys/class/power_supply/battery/charger_online");
}