Backlight - New option : BACKLIGHT_CAPS_LOCK (#4769)
* [BACKLIGHT_CAPS_LOCK_INDICATOR] Use backlight toggling as Caps Lock LED I've implemented this feature because S65-X doesn't have LED indicators and the existing led_set_kb(usb_led) function try to use backlight as indicator but that creates an inconsistency with backlight_config state. - define `BACKLIGHT_CAPS_LOCK_INDICATOR` to enable Caps Lock indicator using backlight (for keyboards without dedicated LED) - Don't turn off LED indicators when suspend because backlight is already turned off. Else led_set(0) will turn back on backlight. - Documentation has been updated * [BACKLIGHT_CAPS_LOCK_INDICATOR] Turn off all LED indicators except Caps Lock if BACKLIGHT_CAPS_LOCK_INDICATOR * [BACKLIGHT_CAPS_LOCK] Rename BACKLIGHT_CAPS_LOCK_INDICATOR * [BACKLIGHT_CAPS_LOCK] Use new IS_LED_ON methodmaster
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@ -40,6 +40,7 @@ To change the behaviour of the backlighting, `#define` these in your `config.h`:
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|---------------------|-------------|-------------------------------------------------------------------------------------------------------------|
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|`BACKLIGHT_PIN` |`B7` |The pin that controls the LEDs. Unless you are designing your own keyboard, you shouldn't need to change this|
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|`BACKLIGHT_LEVELS` |`3` |The number of brightness levels (maximum 15 excluding off) |
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|`BACKLIGHT_CAPS_LOCK`|*Not defined*|Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) |
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|`BACKLIGHT_BREATHING`|*Not defined*|Enable backlight breathing, if hardware PWM is used |
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|`BREATHING_PERIOD` |`6` |The length of one backlight "breath" in seconds |
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@ -1448,6 +1448,24 @@ void led_set(uint8_t usb_led)
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// PORTE &= ~(1<<6);
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// }
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#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
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// Use backlight as Caps Lock indicator
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uint8_t bl_toggle_lvl = 0;
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if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK) && !backlight_config.enable) {
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// Turning Caps Lock ON and backlight is disabled in config
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// Toggling backlight to the brightest level
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bl_toggle_lvl = BACKLIGHT_LEVELS;
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} else if (IS_LED_OFF(usb_led, USB_LED_CAPS_LOCK) && backlight_config.enable) {
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// Turning Caps Lock OFF and backlight is enabled in config
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// Toggling backlight and restoring config level
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bl_toggle_lvl = backlight_config.level;
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}
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// Set level without modify backlight_config to keep ability to restore state
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backlight_set(bl_toggle_lvl);
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#endif
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led_set_kb(usb_led);
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}
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@ -102,24 +102,31 @@ static uint8_t wdt_timeout = 0;
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*/
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static void power_down(uint8_t wdto) {
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#ifdef PROTOCOL_LUFA
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if (USB_DeviceState == DEVICE_STATE_Configured) return;
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if (USB_DeviceState == DEVICE_STATE_Configured) return;
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#endif
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wdt_timeout = wdto;
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wdt_timeout = wdto;
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// Watchdog Interrupt Mode
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wdt_intr_enable(wdto);
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// Watchdog Interrupt Mode
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wdt_intr_enable(wdto);
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#ifdef BACKLIGHT_ENABLE
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backlight_set(0);
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backlight_set(0);
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#endif
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// Turn off LED indicators
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led_set(0);
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// Turn off LED indicators
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uint8_t leds_off = 0;
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#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
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if (is_backlight_enabled()) {
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// Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
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leds_off |= (1<<USB_LED_CAPS_LOCK);
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}
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#endif
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led_set(leds_off);
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#ifdef AUDIO_ENABLE
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// This sometimes disables the start-up noise, so it's been disabled
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// stop_all_notes();
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#endif /* AUDIO_ENABLE */
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#ifdef AUDIO_ENABLE
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// This sometimes disables the start-up noise, so it's been disabled
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// stop_all_notes();
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#endif /* AUDIO_ENABLE */
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#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
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#ifdef RGBLIGHT_ANIMATIONS
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rgblight_timer_disable();
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@ -135,20 +142,20 @@ static void power_down(uint8_t wdto) {
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#endif
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suspend_power_down_kb();
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// TODO: more power saving
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// See PicoPower application note
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// - I/O port input with pullup
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// - prescale clock
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// - BOD disable
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// - Power Reduction Register PRR
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sei();
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sleep_cpu();
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sleep_disable();
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// TODO: more power saving
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// See PicoPower application note
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// - I/O port input with pullup
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// - prescale clock
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// - BOD disable
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// - Power Reduction Register PRR
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sei();
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sleep_cpu();
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sleep_disable();
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// Disable watchdog after sleep
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wdt_disable();
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// Disable watchdog after sleep
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wdt_disable();
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}
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#endif
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