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-rw-r--r--tmk_core/common/avr/sleep_led.c41
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)