#include "atomic.h"
-__attribute__ ((weak))
-void matrix_init_user(void) {
- // leave this function blank - it can be defined in a keymap file
-};
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
- // leave this function blank - it can be defined in a keymap file
-}
-
-__attribute__ ((weak))
-bool process_action_user(keyrecord_t *record) {
- // leave this function blank - it can be defined in a keymap file
- return true;
-}
-
-__attribute__ ((weak))
-void led_set_user(uint8_t usb_led) {
- // leave this function blank - it can be defined in a keymap file
-}
-
void matrix_init_kb(void) {
// put your keyboard start-up code here
// runs once when the firmware starts up
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);
-#ifdef BACKLIGHT_ENABLE
- backlight_init_ports();
-#endif
-
// Turn status LED on
DDRE |= (1<<6);
PORTE |= (1<<6);
matrix_init_user();
-}
-
-void matrix_scan_kb(void) {
- // put your looping keyboard code here
- // runs every cycle (a lot)
-
- matrix_scan_user();
-}
-
-bool process_action_kb(keyrecord_t *record) {
- // put your per-action keyboard code here
- // runs for every action, just before processing by the firmware
-
- return process_action_user(record);
-}
-
-void led_set_kb(uint8_t usb_led) {
- // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
-
- led_set_user(usb_led);
-}
-
-#ifdef BACKLIGHT_ENABLE
-#define CHANNEL OCR1C
-#define BREATHING_NO_HALT 0
-#define BREATHING_HALT_OFF 1
-#define BREATHING_HALT_ON 2
-
-static uint8_t breath_intensity;
-static uint8_t breath_speed;
-static uint16_t breathing_index;
-static uint8_t breathing_halt;
-
-void backlight_init_ports()
-{
-
- // Setup PB7 as output and output low.
- DDRB |= (1<<7);
- PORTB &= ~(1<<7);
-
- // Use full 16-bit resolution.
- ICR1 = 0xFFFF;
-
- // I could write a wall of text here to explain... but TL;DW
- // Go read the ATmega32u4 datasheet.
- // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
-
- // Pin PB7 = OCR1C (Timer 1, Channel C)
- // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
- // (i.e. start high, go low when counter matches.)
- // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
- // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
-
- TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
- TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
-
- backlight_init();
- breathing_defaults();
-}
-
-void backlight_set(uint8_t level)
-{
- // Prevent backlight blink on lowest level
- PORTB &= ~(_BV(PORTB7));
-
- if ( level == 0 )
- {
- // Turn off PWM control on PB7, revert to output low.
- TCCR1A &= ~(_BV(COM1C1));
-
- // Set the brightness to 0
- CHANNEL = 0x0;
- }
- else if ( level >= BACKLIGHT_LEVELS )
- {
- // Turn on PWM control of PB7
- TCCR1A |= _BV(COM1C1);
-
- // Set the brightness to max
- CHANNEL = 0xFFFF;
- }
- else
- {
- // Turn on PWM control of PB7
- TCCR1A |= _BV(COM1C1);
-
- // Set the brightness
- CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
- }
- breathing_intensity_default();
-}
-
-
-void breathing_enable(void)
-{
- if (get_backlight_level() == 0)
- {
- breathing_index = 0;
- }
- else
- {
- // Set breathing_index to be at the midpoint (brightest point)
- breathing_index = 0x20 << breath_speed;
- }
-
- breathing_halt = BREATHING_NO_HALT;
-
- // Enable breathing interrupt
- TIMSK1 |= _BV(OCIE1A);
-}
-
-void breathing_pulse(void)
-{
- if (get_backlight_level() == 0)
- {
- breathing_index = 0;
- }
- else
- {
- // Set breathing_index to be at the midpoint + 1 (brightest point)
- breathing_index = 0x21 << breath_speed;
- }
-
- breathing_halt = BREATHING_HALT_ON;
-
- // Enable breathing interrupt
- TIMSK1 |= _BV(OCIE1A);
-}
-
-void breathing_disable(void)
-{
- // Disable breathing interrupt
- TIMSK1 &= ~_BV(OCIE1A);
- backlight_set(get_backlight_level());
-}
-
-void breathing_self_disable(void)
-{
- if (get_backlight_level() == 0)
- {
- breathing_halt = BREATHING_HALT_OFF;
- }
- else
- {
- breathing_halt = BREATHING_HALT_ON;
- }
-
- //backlight_set(get_backlight_level());
-}
-
-void breathing_toggle(void)
-{
- if (!is_breathing())
- {
- if (get_backlight_level() == 0)
- {
- breathing_index = 0;
- }
- else
- {
- // Set breathing_index to be at the midpoint + 1 (brightest point)
- breathing_index = 0x21 << breath_speed;
- }
-
- breathing_halt = BREATHING_NO_HALT;
- }
-
- // Toggle breathing interrupt
- TIMSK1 ^= _BV(OCIE1A);
-
- // Restore backlight level
- if (!is_breathing())
- {
- backlight_set(get_backlight_level());
- }
-}
-
-bool is_breathing(void)
-{
- return (TIMSK1 && _BV(OCIE1A));
-}
-
-void breathing_intensity_default(void)
-{
- //breath_intensity = (uint8_t)((uint16_t)100 * (uint16_t)get_backlight_level() / (uint16_t)BACKLIGHT_LEVELS);
- breath_intensity = ((BACKLIGHT_LEVELS - get_backlight_level()) * ((BACKLIGHT_LEVELS + 1) / 2));
-}
-
-void breathing_intensity_set(uint8_t value)
-{
- breath_intensity = value;
-}
-
-void breathing_speed_default(void)
-{
- breath_speed = 4;
-}
-
-void breathing_speed_set(uint8_t value)
-{
- bool is_breathing_now = is_breathing();
- uint8_t old_breath_speed = breath_speed;
-
- if (is_breathing_now)
- {
- // Disable breathing interrupt
- TIMSK1 &= ~_BV(OCIE1A);
- }
-
- breath_speed = value;
-
- if (is_breathing_now)
- {
- // Adjust index to account for new speed
- breathing_index = (( (uint8_t)( (breathing_index) >> old_breath_speed ) ) & 0x3F) << breath_speed;
-
- // Enable breathing interrupt
- TIMSK1 |= _BV(OCIE1A);
- }
-
-}
-
-void breathing_speed_inc(uint8_t value)
-{
- if ((uint16_t)(breath_speed - value) > 10 )
- {
- breathing_speed_set(0);
- }
- else
- {
- breathing_speed_set(breath_speed - value);
- }
-}
-
-void breathing_speed_dec(uint8_t value)
-{
- if ((uint16_t)(breath_speed + value) > 10 )
- {
- breathing_speed_set(10);
- }
- else
- {
- breathing_speed_set(breath_speed + value);
- }
-}
-
-void breathing_defaults(void)
-{
- breathing_intensity_default();
- breathing_speed_default();
- breathing_halt = BREATHING_NO_HALT;
-}
-
-/* Breathing Sleep LED brighness(PWM On period) table
- * (64[steps] * 4[duration]) / 64[PWM periods/s] = 4 second breath cycle
- *
- * 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,
-};
-
-ISR(TIMER1_COMPA_vect)
-{
- // CHANNEL = (pgm_read_byte(&breathing_table[ ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F ] )) * breath_intensity;
-
-
- uint8_t local_index = ( (uint8_t)( (breathing_index++) >> breath_speed ) ) & 0x3F;
-
- if (((breathing_halt == BREATHING_HALT_ON) && (local_index == 0x20)) || ((breathing_halt == BREATHING_HALT_OFF) && (local_index == 0x3F)))
- {
- // Disable breathing interrupt
- TIMSK1 &= ~_BV(OCIE1A);
- }
-
- CHANNEL = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
-
-}
-
-
-
-#endif
\ No newline at end of file
+}
\ No newline at end of file
projects / qmk_firmware.git / blobdiff