3302258abd
* Added WS2812 support for KC60 * Reorganized WS2812 support into its own keymap * Fixed relative link in README * Moved WS2812 mention in README to the bottom * Fixed titling in WS2812 README * Reverted KC60 Makefile and default keymap back * Moved RGB specific config.h to ws2812 keymap folder
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include "kc60.h"
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__attribute__ ((weak))
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void matrix_init_user(void) {
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// leave this function blank - it can be defined in a keymap file
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};
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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// leave this function blank - it can be defined in a keymap file
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}
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__attribute__ ((weak))
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bool process_action_user(keyrecord_t *record) {
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// leave this function blank - it can be defined in a keymap file
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return true;
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}
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__attribute__ ((weak))
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void led_set_user(uint8_t usb_led) {
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// leave this function blank - it can be defined in a keymap file
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}
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void matrix_init_kb(void) {
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// put your keyboard start-up code here
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// runs once when the firmware starts up
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#ifdef BACKLIGHT_ENABLE
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backlight_init_ports();
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#endif
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matrix_init_user();
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}
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void matrix_scan_kb(void) {
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// put your looping keyboard code here
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// runs every cycle (a lot)
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matrix_scan_user();
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}
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bool process_action_kb(keyrecord_t *record) {
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// put your per-action keyboard code here
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// runs for every action, just before processing by the firmware
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return process_action_user(record);
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}
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void led_set_kb(uint8_t usb_led) {
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// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
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led_set_user(usb_led);
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}
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#ifdef BACKLIGHT_ENABLE
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#define CHANNEL OCR1B
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void backlight_init_ports()
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{
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// Setup PB6 as output and output low.
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DDRB |= (1<<6);
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PORTB &= ~(1<<6);
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// Use full 16-bit resolution.
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ICR1 = 0xFFFF;
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// I could write a wall of text here to explain... but TL;DW
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// Go read the ATmega32u4 datasheet.
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// And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
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// Pin PB7 = OCR1C (Timer 1, Channel C)
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// Compare Output Mode = Clear on compare match, Channel C = COM1B1=1 COM1C0=0
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// (i.e. start high, go low when counter matches.)
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// WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
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// Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
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TCCR1A = _BV(COM1B1) | _BV(WGM11); // = 0b00001010;
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TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
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backlight_init();
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}
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void backlight_set(uint8_t level)
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{
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// Prevent backlight blink on lowest level
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PORTB &= ~(_BV(PORTB6));
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if ( level == 0 )
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{
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// Turn off PWM control on PB6, revert to output low.
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TCCR1A &= ~(_BV(COM1B1));
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CHANNEL = 0x0;
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}
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else if ( level == BACKLIGHT_LEVELS)
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{
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// Turn on PWM control of PB6
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TCCR1A |= _BV(COM1B1);
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// Set the brightness
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CHANNEL = 0xFFFF;
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}
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else
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{
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// Turn on PWM control of PB6
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TCCR1A |= _BV(COM1B1);
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// Set the brightness
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CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
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}
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}
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#endif
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