}
void matrix_init_quantum() {
+ #ifdef BACKLIGHT_ENABLE
+ backlight_init_ports();
+ #endif
matrix_init_kb();
}
matrix_scan_kb();
}
+
#ifdef AUDIO_ENABLE
bool is_music_on(void) {
return (music_activated != 0);
#endif
+
+#if defined(BACKLIGHT_ENABLE) && defined(BACKLIGHT_PIN)
+
+static const uint8_t backlight_pin = BACKLIGHT_PIN;
+
+#if BACKLIGHT_PIN == B7
+# define COM1x1 COM1C1
+# define OCR1x OCR1C
+#elif BACKLIGHT_PIN == B6
+# define COM1x1 COM1B1
+# define OCR1x OCR1B
+#elif BACKLIGHT_PIN == B5
+# define COM1x1 COM1A1
+# define OCR1x OCR1A
+#else
+# error "Backlight pin not supported - use B5, B6, or B7"
+#endif
+
+__attribute__ ((weak))
+void backlight_init_ports(void)
+{
+
+ // Setup backlight pin as output and output low.
+ // DDRx |= n
+ _SFR_IO8((backlight_pin >> 4) + 1) |= _BV(backlight_pin & 0xF);
+ // PORTx &= ~n
+ _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
+
+ // 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(COM1x1) | _BV(WGM11); // = 0b00001010;
+ TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+
+ backlight_init();
+ #ifdef BACKLIGHT_BREATHING
+ breathing_defaults();
+ #endif
+}
+
+__attribute__ ((weak))
+void backlight_set(uint8_t level)
+{
+ // Prevent backlight blink on lowest level
+ // PORTx &= ~n
+ _SFR_IO8((backlight_pin >> 4) + 2) &= ~_BV(backlight_pin & 0xF);
+
+ if ( level == 0 ) {
+ // Turn off PWM control on backlight pin, revert to output low.
+ TCCR1A &= ~(_BV(COM1x1));
+ OCR1x = 0x0;
+ } else if ( level == BACKLIGHT_LEVELS ) {
+ // Turn on PWM control of backlight pin
+ TCCR1A |= _BV(COM1x1);
+ // Set the brightness
+ OCR1x = 0xFFFF;
+ } else {
+ // Turn on PWM control of backlight pin
+ TCCR1A |= _BV(COM1x1);
+ // Set the brightness
+ OCR1x = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
+ }
+
+ #ifdef BACKLIGHT_BREATHING
+ breathing_intensity_default();
+ #endif
+}
+
+
+#ifdef BACKLIGHT_BREATHING
+
+#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 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)
+{
+ // OCR1x = (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);
+ }
+
+ OCR1x = (uint16_t)(((uint16_t)pgm_read_byte(&breathing_table[local_index]) * 257)) >> breath_intensity;
+
+}
+
+
+
+#endif // breathing
+
+#else // backlight
+
+__attribute__ ((weak))
+void backlight_init_ports(void)
+{
+
+}
+
+__attribute__ ((weak))
+void backlight_set(uint8_t level)
+{
+
+}
+
+#endif // backlight
+
+
+
+__attribute__ ((weak))
+void led_set_user(uint8_t usb_led) {
+
+}
+
+__attribute__ ((weak))
+void led_set_kb(uint8_t usb_led) {
+ led_set_user(usb_led);
+}
+
+__attribute__ ((weak))
+void led_init_ports(void)
+{
+
+}
+
+__attribute__ ((weak))
+void led_set(uint8_t usb_led)
+{
+
+ // Example LED Code
+ //
+ // // Using PE6 Caps Lock LED
+ // if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ // {
+ // // Output high.
+ // DDRE |= (1<<6);
+ // PORTE |= (1<<6);
+ // }
+ // else
+ // {
+ // // Output low.
+ // DDRE &= ~(1<<6);
+ // PORTE &= ~(1<<6);
+ // }
+
+ led_set_kb(usb_led);
+}
+
+
//------------------------------------------------------------------------------
// Override these functions in your keymap file to play different tunes on
// different events such as startup and bootloader jump
projects / qmk_firmware.git / blobdiff