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| author | Joel Challis <git@zvecr.com> | 2020-03-26 18:21:33 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-26 18:21:33 +0000 |
| commit | 23e942ae4e66008632667f12c30bbb4f0fae31f7 (patch) | |
| tree | a5d3fc389ee9444635abeaba2126d500e595676e /tmk_core/common/avr | |
| parent | c077300e19a9c788b3d30bc65c1198fc88de3d5b (diff) | |
Enable SLEEP_LED on ATmega32A (#8531)
* Port over some AVR backlight logic to SLEEP_LED
* Port over some AVR backlight logic to SLEEP_LED - add timer 3
* Port over some AVR backlight logic to SLEEP_LED - clang format
* Enable SLEEP_LED within vusb protocol
Diffstat (limited to 'tmk_core/common/avr')
| -rw-r--r-- | tmk_core/common/avr/sleep_led.c | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/tmk_core/common/avr/sleep_led.c b/tmk_core/common/avr/sleep_led.c index 61fa70dc3e..63dcc2afd9 100644 --- a/tmk_core/common/avr/sleep_led.c +++ b/tmk_core/common/avr/sleep_led.c @@ -5,6 +5,30 @@ #include "led.h" #include "sleep_led.h" +#ifndef SLEEP_LED_TIMER +# define SLEEP_LED_TIMER 1 +#endif + +#if SLEEP_LED_TIMER == 1 +# define TCCRxB TCCR1B +# define TIMERx_COMPA_vect TIMER1_COMPA_vect +# if defined(__AVR_ATmega32A__) // This MCU has only one TIMSK register +# define TIMSKx TIMSK +# else +# define TIMSKx TIMSK1 +# endif +# define OCIExA OCIE1A +# define OCRxx OCR1A +#elif SLEEP_LED_TIMER == 3 +# define TCCRxB TCCR3B +# define TIMERx_COMPA_vect TIMER3_COMPA_vect +# define TIMSKx TIMSK3 +# define OCIExA OCIE3A +# define OCRxx OCR3A +#else +error("Invalid SLEEP_LED_TIMER config") +#endif + /* Software PWM * ______ ______ __ * | ON |___OFF___| ON |___OFF___| .... @@ -25,15 +49,14 @@ void sleep_led_init(void) { /* Timer1 setup */ /* CTC mode */ - TCCR1B |= _BV(WGM12); + TCCRxB |= _BV(WGM12); /* Clock selelct: clk/1 */ - TCCR1B |= _BV(CS10); + TCCRxB |= _BV(CS10); /* Set TOP value */ uint8_t sreg = SREG; cli(); - OCR1AH = (SLEEP_LED_TIMER_TOP >> 8) & 0xff; - OCR1AL = SLEEP_LED_TIMER_TOP & 0xff; - SREG = sreg; + OCRxx = SLEEP_LED_TIMER_TOP; + SREG = sreg; } /** \brief Sleep LED enable @@ -42,7 +65,7 @@ void sleep_led_init(void) { */ void sleep_led_enable(void) { /* Enable Compare Match Interrupt */ - TIMSK1 |= _BV(OCIE1A); + TIMSKx |= _BV(OCIExA); } /** \brief Sleep LED disable @@ -51,7 +74,7 @@ void sleep_led_enable(void) { */ void sleep_led_disable(void) { /* Disable Compare Match Interrupt */ - TIMSK1 &= ~_BV(OCIE1A); + TIMSKx &= ~_BV(OCIExA); } /** \brief Sleep LED toggle @@ -60,7 +83,7 @@ void sleep_led_disable(void) { */ void sleep_led_toggle(void) { /* Disable Compare Match Interrupt */ - TIMSK1 ^= _BV(OCIE1A); + TIMSKx ^= _BV(OCIExA); } /** \brief Breathing Sleep LED brighness(PWM On period) table @@ -72,7 +95,7 @@ void sleep_led_toggle(void) { */ static const uint8_t breathing_table[64] PROGMEM = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10, 15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252, 255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23, 15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; -ISR(TIMER1_COMPA_vect) { +ISR(TIMERx_COMPA_vect) { /* Software PWM * timer:1111 1111 1111 1111 * \_____/\/ \_______/____ count(0-255) |