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Diffstat (limited to 'tmk_core/common/avr/suspend.c')
-rw-r--r--tmk_core/common/avr/suspend.c57
1 files changed, 32 insertions, 25 deletions
diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c
index 28219f4dd..1194a040e 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;
102 */ 102 */
103static void power_down(uint8_t wdto) { 103static void power_down(uint8_t wdto) {
104#ifdef PROTOCOL_LUFA 104#ifdef PROTOCOL_LUFA
105 if (USB_DeviceState == DEVICE_STATE_Configured) return; 105 if (USB_DeviceState == DEVICE_STATE_Configured) return;
106#endif 106#endif
107 wdt_timeout = wdto; 107 wdt_timeout = wdto;
108 108
109 // Watchdog Interrupt Mode 109 // Watchdog Interrupt Mode
110 wdt_intr_enable(wdto); 110 wdt_intr_enable(wdto);
111 111
112#ifdef BACKLIGHT_ENABLE 112#ifdef BACKLIGHT_ENABLE
113 backlight_set(0); 113 backlight_set(0);
114#endif 114#endif
115 115
116 // Turn off LED indicators 116 // Turn off LED indicators
117 led_set(0); 117 uint8_t leds_off = 0;
118#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
119 if (is_backlight_enabled()) {
120 // Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
121 leds_off |= (1<<USB_LED_CAPS_LOCK);
122 }
123#endif
124 led_set(leds_off);
118 125
119 #ifdef AUDIO_ENABLE 126#ifdef AUDIO_ENABLE
120 // This sometimes disables the start-up noise, so it's been disabled 127 // This sometimes disables the start-up noise, so it's been disabled
121 // stop_all_notes(); 128 // stop_all_notes();
122 #endif /* AUDIO_ENABLE */ 129#endif /* AUDIO_ENABLE */
123#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE) 130#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
124#ifdef RGBLIGHT_ANIMATIONS 131#ifdef RGBLIGHT_ANIMATIONS
125 rgblight_timer_disable(); 132 rgblight_timer_disable();
@@ -135,20 +142,20 @@ static void power_down(uint8_t wdto) {
135#endif 142#endif
136 suspend_power_down_kb(); 143 suspend_power_down_kb();
137 144
138 // TODO: more power saving 145 // TODO: more power saving
139 // See PicoPower application note 146 // See PicoPower application note
140 // - I/O port input with pullup 147 // - I/O port input with pullup
141 // - prescale clock 148 // - prescale clock
142 // - BOD disable 149 // - BOD disable
143 // - Power Reduction Register PRR 150 // - Power Reduction Register PRR
144 set_sleep_mode(SLEEP_MODE_PWR_DOWN); 151 set_sleep_mode(SLEEP_MODE_PWR_DOWN);
145 sleep_enable(); 152 sleep_enable();
146 sei(); 153 sei();
147 sleep_cpu(); 154 sleep_cpu();
148 sleep_disable(); 155 sleep_disable();
149 156
150 // Disable watchdog after sleep 157 // Disable watchdog after sleep
151 wdt_disable(); 158 wdt_disable();
152} 159}
153#endif 160#endif
154 161