__attribute__ ((weak))
void matrix_init_user(void) {
- // leave this function blank - it can be defined in a keymap file
+ // 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
+ // leave this function blank - it can be defined in a keymap file
}
__attribute__ ((weak))
void process_action_user(keyrecord_t *record) {
- // leave this function blank - it can be defined in a keymap file
+ // leave this function blank - it can be defined in a keymap file
}
__attribute__ ((weak))
void led_set_user(uint8_t usb_led) {
- // leave this function blank - it can be defined in a keymap file
+ // 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
+ // put your keyboard start-up code here
+ // runs once when the firmware starts up
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);
DDRE |= (1<<6);
PORTE |= (1<<6);
- matrix_init_user();
+ matrix_init_user();
}
void matrix_scan_kb(void) {
- // put your looping keyboard code here
- // runs every cycle (a lot)
+ // put your looping keyboard code here
+ // runs every cycle (a lot)
- matrix_scan_user();
+ matrix_scan_user();
}
void process_action_kb(keyrecord_t *record) {
- // put your per-action keyboard code here
- // runs for every action, just before processing by the firmware
+ // put your per-action keyboard code here
+ // runs for every action, just before processing by the firmware
- process_action_user(record);
+ process_action_user(record);
}
void led_set_kb(uint8_t usb_led) {
- // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+ // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
- led_set_user(usb_led);
+ 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.
+
+ // 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;
- // Prevent backlight blink on lowest level
- PORTB &= ~(_BV(PORTB7));
}
- else if ( level == BACKLIGHT_LEVELS )
+ else if ( level >= BACKLIGHT_LEVELS )
{
- // Prevent backlight blink on lowest level
- PORTB &= ~(_BV(PORTB7));
// Turn on PWM control of PB7
TCCR1A |= _BV(COM1C1);
- // Set the brightness
+
+ // Set the brightness to max
CHANNEL = 0xFFFF;
}
- else
+ else
{
- // Prevent backlight blink on lowest level
- PORTB &= ~(_BV(PORTB7));
// 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
projects / qmk_firmware.git / blobdiff