/* Entry point */
void vm_main(void) {
#if defined(__HDK_LINKIT_ASSIST_2502__)
lcd_st7789s_init();
lcd_backlight_level(60);
#endif
vm_pmng_register_system_event_callback(handle_sysevt);
}
void screen_resume(void)
{
if (g_screen_off_timeout == 0) {
vm_pwr_lcd_sleep_out();
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
}
g_screen_off_timeout = SCREEN_OFF_TIME;
}
int screen_suspend(void)
{
if (g_screen_off_timeout > 0) {
g_screen_off_timeout--;
if (g_screen_off_timeout == 0) {
lcd_backlight_level(0);
vm_pwr_lcd_sleep_in();
} else {
return 0;
}
}
return 1;
}
void settings_load()
{
unsigned long size = 0;
file_size("settings.txt", &size);
if (size < 24) {
return;
}
char *ptr = vm_malloc(size);
if (NULL == ptr) {
return;
}
file_read("settings.txt", ptr, size, 0);
cJSON *root = cJSON_Parse(ptr);
if (NULL == root) {
vm_free(ptr);
return;
}
g_settings_brightness = cJSON_GetObjectItem(root, "brightness")->valueint;
g_settings_sound = cJSON_GetObjectItem(root, "sound")->valueint;
if (g_settings_brightness > 6) {
g_settings_brightness = 6;
}
snprintf(g_settings_brightness_str, sizeof(g_settings_brightness_str), "%d", g_settings_brightness);
if (g_settings_sound > 6) {
g_settings_sound = 6;
}
g_settings_sound_str[0] = '0' + g_settings_sound;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
audioSetVolume(g_settings_sound);
UG_ButtonSetText(&g_settings_window, 7, g_settings_brightness_str);
UG_ButtonSetText(&g_settings_window, 4, g_settings_sound_str);
vm_free(ptr);
}
static void settings_window_callback(UG_MESSAGE *msg)
{
if (msg->type == MSG_TYPE_OBJECT) {
if (msg->id == OBJ_TYPE_BUTTON && msg->event == OBJ_EVENT_RELEASED) {
switch (msg->sub_id) {
case 0: // back
if (g_settings_is_changed) {
g_settings_is_changed = 0;
settings_save();
}
UG_WindowShow(&g_home_window);
break;
case 3: // -
if (g_settings_sound > 0) {
g_settings_is_changed = 1;
g_settings_sound--;
audioSetVolume(g_settings_sound);
g_settings_sound_str[0] = '0' + g_settings_sound;
UG_ButtonSetText(&g_settings_window, 4,
g_settings_sound_str);
}
break;
case 5: // +
if (g_settings_sound < 6) {
g_settings_is_changed = 1;
g_settings_sound++;
audioSetVolume(g_settings_sound);
g_settings_sound_str[0] = '0' + g_settings_sound;
UG_ButtonSetText(&g_settings_window, 4,
g_settings_sound_str);
}
break;
case 6: // -
if (g_settings_brightness > 0) {
g_settings_is_changed = 1;
g_settings_brightness--;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
itoa(g_settings_brightness, g_settings_brightness_str,
10);
UG_ButtonSetText(&g_settings_window, 7,
g_settings_brightness_str);
}
break;
case 8: // +
if (g_settings_brightness < 6) {
g_settings_is_changed = 1;
g_settings_brightness++;
lcd_backlight_level(g_brightness_table[g_settings_brightness]);
itoa(g_settings_brightness, g_settings_brightness_str,
10);
UG_ButtonSetText(&g_settings_window, 7,
g_settings_brightness_str);
}
break;
default:
break;
}
}
}
}