|
|
|
@ -32,6 +32,7 @@ static void init_rows(void);
|
|
|
|
|
static void unselect_cols(void);
|
|
|
|
|
static void select_col(uint8_t col);
|
|
|
|
|
|
|
|
|
|
#ifndef SLEEP_LED_ENABLE
|
|
|
|
|
/* LEDs are on output compare pins OC1B OC1C
|
|
|
|
|
This activates fast PWM mode on them.
|
|
|
|
|
Prescaler 256 and 8-bit counter results in
|
|
|
|
@ -51,12 +52,13 @@ void setup_leds(void)
|
|
|
|
|
TCCR1B |= // Timer control register 1B
|
|
|
|
|
(1<<WGM12) | // Fast PWM 8-bit
|
|
|
|
|
(1<<CS12); // Prescaler 256
|
|
|
|
|
OCR1B = 250; // Output compare register 1B
|
|
|
|
|
OCR1C = 250; // Output compare register 1C
|
|
|
|
|
OCR1B = LED_BRIGHTNESS; // Output compare register 1B
|
|
|
|
|
OCR1C = LED_BRIGHTNESS; // Output compare register 1C
|
|
|
|
|
// LEDs: LED_A -> PORTB6, LED_B -> PORTB7
|
|
|
|
|
DDRB &= 0x3F;
|
|
|
|
|
PORTB &= 0x3F;
|
|
|
|
|
DDRB |= (1<<6) | (1<<7);
|
|
|
|
|
PORTB &= ~((1<<6) | (1<<7));
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
inline
|
|
|
|
|
uint8_t matrix_rows(void)
|
|
|
|
@ -79,7 +81,9 @@ void matrix_init(void)
|
|
|
|
|
// initialize row and col
|
|
|
|
|
unselect_cols();
|
|
|
|
|
init_rows();
|
|
|
|
|
#ifndef SLEEP_LED_ENABLE
|
|
|
|
|
setup_leds();
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
// initialize matrix state: all keys off
|
|
|
|
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
|
|
|
|