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skullY 2019-08-30 11:19:03 -07:00 • committed by skullydazed
parent 61af76a10d
commit b624f32f94
502 changed files with 32259 additions and 39062 deletions
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43
tmk_core/common/avr/sleep_led.c
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@ -16,14 +16,13 @@
* 256*64 interrupts/second
* F_CPU/(256*64) clocks/interrupt
*/
#define SLEEP_LED_TIMER_TOP F_CPU/(256*64)
#define SLEEP_LED_TIMER_TOP F_CPU / (256 * 64)
/** \brief Sleep LED initialization
*
* FIXME: needs doc
*/
void sleep_led_init(void)
{
void sleep_led_init(void) {
/* Timer1 setup */
/* CTC mode */
TCCR1B |= _BV(WGM12);
@ -32,17 +31,16 @@ void sleep_led_init(void)
/* Set TOP value */
uint8_t sreg = SREG;
cli();
OCR1AH = (SLEEP_LED_TIMER_TOP>>8)&0xff;
OCR1AL = SLEEP_LED_TIMER_TOP&0xff;
SREG = sreg;
OCR1AH = (SLEEP_LED_TIMER_TOP >> 8) & 0xff;
OCR1AL = SLEEP_LED_TIMER_TOP & 0xff;
SREG = sreg;
}
/** \brief Sleep LED enable
*
* FIXME: needs doc
*/
void sleep_led_enable(void)
{
void sleep_led_enable(void) {
/* Enable Compare Match Interrupt */
TIMSK1 |= _BV(OCIE1A);
}
@ -51,8 +49,7 @@ void sleep_led_enable(void)
*
* FIXME: needs doc
*/
void sleep_led_disable(void)
{
void sleep_led_disable(void) {
/* Disable Compare Match Interrupt */
TIMSK1 &= ~_BV(OCIE1A);
}
@ -61,13 +58,11 @@ void sleep_led_disable(void)
*
* FIXME: needs doc
*/
void sleep_led_toggle(void)
{
void sleep_led_toggle(void) {
/* Disable Compare Match Interrupt */
TIMSK1 ^= _BV(OCIE1A);
}
/** \brief Breathing Sleep LED brighness(PWM On period) table
*
* (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle
@ -75,15 +70,9 @@ void sleep_led_toggle(void)
* http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63
* (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i }
*/
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
};
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(TIMER1_COMPA_vect) {
/* Software PWM
* timer:1111 1111 1111 1111
* \_____/\/ \_______/____ count(0-255)
@ -93,17 +82,17 @@ ISR(TIMER1_COMPA_vect)
static union {
uint16_t row;
struct {
uint8_t count:8;
uint8_t duration:2;
uint8_t index:6;
uint8_t count : 8;
uint8_t duration : 2;
uint8_t index : 6;
} pwm;
} timer = { .row = 0 };
} timer = {.row = 0};
timer.row++;
// LED on
if (timer.pwm.count == 0) {
led_set(1<<USB_LED_CAPS_LOCK);
led_set(1 << USB_LED_CAPS_LOCK);
}
// LED off
if (timer.pwm.count == pgm_read_byte(&breathing_table[timer.pwm.index])) {