diff --git a/docs/feature_backlight.md b/docs/feature_backlight.md index f7a35406c7a..c7a1f131ed7 100644 --- a/docs/feature_backlight.md +++ b/docs/feature_backlight.md @@ -40,6 +40,7 @@ To change the behaviour of the backlighting, `#define` these in your `config.h`: |---------------------|-------------|-------------------------------------------------------------------------------------------------------------| |`BACKLIGHT_PIN` |`B7` |The pin that controls the LEDs. Unless you are designing your own keyboard, you shouldn't need to change this| |`BACKLIGHT_LEVELS` |`3` |The number of brightness levels (maximum 15 excluding off) | +|`BACKLIGHT_CAPS_LOCK`|*Not defined*|Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) | |`BACKLIGHT_BREATHING`|*Not defined*|Enable backlight breathing, if hardware PWM is used | |`BREATHING_PERIOD` |`6` |The length of one backlight "breath" in seconds | diff --git a/quantum/quantum.c b/quantum/quantum.c index 5d8ffe34eb8..c1829c7685c 100644 --- a/quantum/quantum.c +++ b/quantum/quantum.c @@ -1448,6 +1448,24 @@ void led_set(uint8_t usb_led) // PORTE &= ~(1<<6); // } +#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE) + // Use backlight as Caps Lock indicator + uint8_t bl_toggle_lvl = 0; + + if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK) && !backlight_config.enable) { + // Turning Caps Lock ON and backlight is disabled in config + // Toggling backlight to the brightest level + bl_toggle_lvl = BACKLIGHT_LEVELS; + } else if (IS_LED_OFF(usb_led, USB_LED_CAPS_LOCK) && backlight_config.enable) { + // Turning Caps Lock OFF and backlight is enabled in config + // Toggling backlight and restoring config level + bl_toggle_lvl = backlight_config.level; + } + + // Set level without modify backlight_config to keep ability to restore state + backlight_set(bl_toggle_lvl); +#endif + led_set_kb(usb_led); } diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c index 28219f4ddd7..1194a040ee7 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<