diff options
Diffstat (limited to 'keyboard/kc60_v2/kc60.c')
| -rw-r--r-- | keyboard/kc60_v2/kc60.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/keyboard/kc60_v2/kc60.c b/keyboard/kc60_v2/kc60.c new file mode 100644 index 000000000..0a578b2b8 --- /dev/null +++ b/keyboard/kc60_v2/kc60.c | |||
| @@ -0,0 +1,111 @@ | |||
| 1 | #include "kc60.h" | ||
| 2 | |||
| 3 | __attribute__ ((weak)) | ||
| 4 | void matrix_init_user(void) { | ||
| 5 | // leave this function blank - it can be defined in a keymap file | ||
| 6 | }; | ||
| 7 | |||
| 8 | __attribute__ ((weak)) | ||
| 9 | void matrix_scan_user(void) { | ||
| 10 | // leave this function blank - it can be defined in a keymap file | ||
| 11 | } | ||
| 12 | |||
| 13 | __attribute__ ((weak)) | ||
| 14 | bool process_action_user(keyrecord_t *record) { | ||
| 15 | // leave this function blank - it can be defined in a keymap file | ||
| 16 | return true; | ||
| 17 | } | ||
| 18 | |||
| 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 | ||
| 22 | } | ||
| 23 | |||
| 24 | void matrix_init_kb(void) { | ||
| 25 | // put your keyboard start-up code here | ||
| 26 | // runs once when the firmware starts up | ||
| 27 | |||
| 28 | #ifdef BACKLIGHT_ENABLE | ||
| 29 | backlight_init_ports(); | ||
| 30 | #endif | ||
| 31 | |||
| 32 | matrix_init_user(); | ||
| 33 | } | ||
| 34 | |||
| 35 | void matrix_scan_kb(void) { | ||
| 36 | // put your looping keyboard code here | ||
| 37 | // runs every cycle (a lot) | ||
| 38 | |||
| 39 | matrix_scan_user(); | ||
| 40 | } | ||
| 41 | |||
| 42 | bool process_action_kb(keyrecord_t *record) { | ||
| 43 | // put your per-action keyboard code here | ||
| 44 | // runs for every action, just before processing by the firmware | ||
| 45 | |||
| 46 | return process_action_user(record); | ||
| 47 | } | ||
| 48 | |||
| 49 | void led_set_kb(uint8_t usb_led) { | ||
| 50 | // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here | ||
| 51 | |||
| 52 | led_set_user(usb_led); | ||
| 53 | } | ||
| 54 | |||
| 55 | #ifdef BACKLIGHT_ENABLE | ||
| 56 | #define CHANNEL OCR1B | ||
| 57 | |||
| 58 | void backlight_init_ports() | ||
| 59 | { | ||
| 60 | |||
| 61 | // Setup PB6 as output and output low. | ||
| 62 | DDRB |= (1<<6); | ||
| 63 | PORTB &= ~(1<<6); | ||
| 64 | |||
| 65 | // Use full 16-bit resolution. | ||
| 66 | ICR1 = 0xFFFF; | ||
| 67 | |||
| 68 | // I could write a wall of text here to explain... but TL;DW | ||
| 69 | // Go read the ATmega32u4 datasheet. | ||
| 70 | // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on | ||
| 71 | |||
| 72 | // Pin PB7 = OCR1C (Timer 1, Channel C) | ||
| 73 | // Compare Output Mode = Clear on compare match, Channel C = COM1B1=1 COM1C0=0 | ||
| 74 | // (i.e. start high, go low when counter matches.) | ||
| 75 | // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0 | ||
| 76 | // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1 | ||
| 77 | |||
| 78 | TCCR1A = _BV(COM1B1) | _BV(WGM11); // = 0b00001010; | ||
| 79 | TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001; | ||
| 80 | |||
| 81 | backlight_init(); | ||
| 82 | } | ||
| 83 | |||
| 84 | void backlight_set(uint8_t level) | ||
| 85 | { | ||
| 86 | // Prevent backlight blink on lowest level | ||
| 87 | PORTB &= ~(_BV(PORTB6)); | ||
| 88 | |||
| 89 | if ( level == 0 ) | ||
| 90 | { | ||
| 91 | // Turn off PWM control on PB6, revert to output low. | ||
| 92 | TCCR1A &= ~(_BV(COM1B1)); | ||
| 93 | CHANNEL = 0x0; | ||
| 94 | } | ||
| 95 | else if ( level == BACKLIGHT_LEVELS) | ||
| 96 | { | ||
| 97 | // Turn on PWM control of PB6 | ||
| 98 | TCCR1A |= _BV(COM1B1); | ||
| 99 | // Set the brightness | ||
| 100 | CHANNEL = 0xFFFF; | ||
| 101 | } | ||
| 102 | else | ||
| 103 | { | ||
| 104 | // Turn on PWM control of PB6 | ||
| 105 | TCCR1A |= _BV(COM1B1); | ||
| 106 | // Set the brightness | ||
| 107 | CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2)); | ||
| 108 | } | ||
| 109 | } | ||
| 110 | |||
| 111 | #endif | ||
