diff options
Diffstat (limited to 'tmk_core/common')
-rw-r--r-- | tmk_core/common/avr/suspend.c | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c index 28219f4ddd..1194a040ee 100644 --- a/tmk_core/common/avr/suspend.c +++ b/tmk_core/common/avr/suspend.c @@ -102,24 +102,31 @@ static uint8_t wdt_timeout = 0; */ static void power_down(uint8_t wdto) { #ifdef PROTOCOL_LUFA - if (USB_DeviceState == DEVICE_STATE_Configured) return; + if (USB_DeviceState == DEVICE_STATE_Configured) return; #endif - wdt_timeout = wdto; + wdt_timeout = wdto; - // Watchdog Interrupt Mode - wdt_intr_enable(wdto); + // Watchdog Interrupt Mode + wdt_intr_enable(wdto); #ifdef BACKLIGHT_ENABLE - backlight_set(0); + backlight_set(0); #endif - // Turn off LED indicators - led_set(0); + // Turn off LED indicators + uint8_t leds_off = 0; +#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE) + if (is_backlight_enabled()) { + // Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off + leds_off |= (1<<USB_LED_CAPS_LOCK); + } +#endif + led_set(leds_off); - #ifdef AUDIO_ENABLE - // This sometimes disables the start-up noise, so it's been disabled - // stop_all_notes(); - #endif /* AUDIO_ENABLE */ +#ifdef AUDIO_ENABLE + // This sometimes disables the start-up noise, so it's been disabled + // stop_all_notes(); +#endif /* AUDIO_ENABLE */ #if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE) #ifdef RGBLIGHT_ANIMATIONS rgblight_timer_disable(); @@ -135,20 +142,20 @@ static void power_down(uint8_t wdto) { #endif suspend_power_down_kb(); - // TODO: more power saving - // See PicoPower application note - // - I/O port input with pullup - // - prescale clock - // - BOD disable - // - Power Reduction Register PRR - set_sleep_mode(SLEEP_MODE_PWR_DOWN); - sleep_enable(); - sei(); - sleep_cpu(); - sleep_disable(); - - // Disable watchdog after sleep - wdt_disable(); + // TODO: more power saving + // See PicoPower application note + // - I/O port input with pullup + // - prescale clock + // - BOD disable + // - Power Reduction Register PRR + set_sleep_mode(SLEEP_MODE_PWR_DOWN); + sleep_enable(); + sei(); + sleep_cpu(); + sleep_disable(); + + // Disable watchdog after sleep + wdt_disable(); } #endif |