1 #include "%KEYBOARD%.h"
4 void matrix_init_user(void) {
5 // leave this function blank - it can be defined in a keymap file
9 void matrix_scan_user(void) {
10 // leave this function blank - it can be defined in a keymap file
13 __attribute__ ((weak))
14 bool process_action_user(keyrecord_t *record) {
15 // leave this function blank - it can be defined in a keymap file
19 __attribute__ ((weak))
20 void led_set_user(uint8_t usb_led) {
21 // leave this function blank - it can be defined in a keymap file
24 void matrix_init_kb(void) {
25 // put your keyboard start-up code here
26 // runs once when the firmware starts up
31 void matrix_scan_kb(void) {
32 // put your looping keyboard code here
33 // runs every cycle (a lot)
38 bool process_action_kb(keyrecord_t *record) {
39 // put your per-action keyboard code here
40 // runs for every action, just before processing by the firmware
42 return process_action_user(record);
45 void led_set_kb(uint8_t usb_led) {
46 // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
48 led_set_user(usb_led);
51 #ifdef BACKLIGHT_ENABLE
54 void backlight_init_ports()
57 // Setup PB7 as output and output low.
61 // Use full 16-bit resolution.
64 // I could write a wall of text here to explain... but TL;DW
65 // Go read the ATmega32u4 datasheet.
66 // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
68 // Pin PB7 = OCR1C (Timer 1, Channel C)
69 // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
70 // (i.e. start high, go low when counter matches.)
71 // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
72 // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
74 TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
75 TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
80 void backlight_set(uint8_t level)
84 // Turn off PWM control on PB7, revert to output low.
85 TCCR1A &= ~(_BV(COM1C1));
87 // Prevent backlight blink on lowest level
88 PORTB &= ~(_BV(PORTB7));
90 else if ( level == BACKLIGHT_LEVELS )
92 // Prevent backlight blink on lowest level
93 PORTB &= ~(_BV(PORTB7));
94 // Turn on PWM control of PB7
95 TCCR1A |= _BV(COM1C1);
101 // Prevent backlight blink on lowest level
102 PORTB &= ~(_BV(PORTB7));
103 // Turn on PWM control of PB7
104 TCCR1A |= _BV(COM1C1);
105 // Set the brightness
106 CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));