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qmk_firmware/keyboards/lfkeyboards/lfk78/lfk78.c

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#include "lfk78.h"
#include <avr/timer_avr.h>
#include <avr/wdt.h>
#include "issi.h"
#include "TWIlib.h"
#include "lighting.h"
#ifdef AUDIO_ENABLE
# include "audio.h"
#endif
uint16_t click_hz = CLICK_HZ;
uint16_t click_time = CLICK_MS;
uint8_t click_toggle = CLICK_ENABLED;
__attribute__((weak))
const Layer_Info layer_info[] = {
// Layer Mask Red Green Blue
{ 0x00000000, 0xFFFFFFFF, { 0x0000, 0x0FFF, 0x0000 } }, // base layer - green
{ 0x00000002, 0xFFFFFFFE, { 0x0000, 0x0000, 0x0FFF } }, // function layer - blue
{ 0x00000004, 0xFFFFFFFC, { 0x0FFF, 0x0000, 0x0FFF } }, // settings layer - magenta
{ 0xFFFFFFFF, 0xFFFFFFFF, { 0x0FFF, 0x0FFF, 0x0FFF } } // unknown layer - REQUIRED - white
};
void matrix_init_kb(void) {
matrix_init_user();
// Configure the Layer LED
// Set up 16 bit PWM: Fast PWM, mode 14, inverted
TCCR1A = _BV(COM1A1) | _BV(COM1A0) | _BV(COM1B1) | _BV(COM1B0) | _BV(COM1C1) | _BV(COM1C0) | _BV(WGM11);
TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10);
ICR1 = 0xFFFF;
// PWM values - 0xFFFF = off, 0x0000 = max
OCR1A = 0x0FFF; // B5 - Red
OCR1B = 0x0000; // B6 - Green
OCR1C = 0x0000; // B7 - Blue
// Set as output
setPinOutput(B5);
setPinOutput(B6);
setPinOutput(B7);
#ifndef AUDIO_ENABLE
// If we're not using the audio pin, drive it low
setPinOutput(C6);
writePinLow(C6);
#endif
#ifdef ISSI_ENABLE
issi_init();
#endif
#ifdef WATCHDOG_ENABLE
// This is done after turning the layer LED red, if we're caught in a loop
// we should get a flashing red light
wdt_enable(WDTO_500MS);
#endif
}
void matrix_scan_kb(void) {
#ifdef WATCHDOG_ENABLE
wdt_reset();
#endif
#ifdef ISSI_ENABLE
// switch/underglow lighting update
static uint32_t issi_device = 0;
static uint32_t twi_last_ready = 0;
if (twi_last_ready > 1000) {
// It's been way too long since the last ISSI update, reset the I2C bus and start again
dprintf("TWI failed to recover, TWI re-init\n");
twi_last_ready = 0;
TWIInit();
force_issi_refresh();
}
if (isTWIReady()) {
twi_last_ready = 0;
// If the i2c bus is available, kick off the issi update, alternate between devices
update_issi(issi_device, issi_device);
if (issi_device) {
issi_device = 0;
} else {
issi_device = 3;
}
} else {
twi_last_ready++;
}
#endif
// Update layer indicator LED
//
// Not sure how else to reliably do this... TMK has the 'hook_layer_change'
// but can't find QMK equiv
static uint32_t layer_indicator = -1;
if (layer_indicator != layer_state) {
for (uint32_t i = 0; ; i++) {
// the layer_info list should end with layer 0xFFFFFFFF
// it will break this out of the loop and define the unknown layer color
if ((layer_info[i].layer == (layer_state & layer_info[i].mask)) || (layer_info[i].layer == 0xFFFFFFFF)) {
OCR1A = layer_info[i].color.red;
OCR1B = layer_info[i].color.green;
OCR1C = layer_info[i].color.blue;
layer_indicator = layer_state;
break;
}
}
}
matrix_scan_user();
}
void clicking_notes(uint16_t freq, uint16_t duration) {
#ifdef AUDIO_ENABLE
if (freq >= 100 && freq <= 20000 && duration < 100) {
play_note(freq, 10);
for (uint16_t i = 0; i < duration; i++) {
_delay_ms(1);
}
stop_all_notes();
}
#endif
}
bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
if (click_toggle && record->event.pressed) {
clicking_notes(click_hz, click_time);
}
if (keycode == QK_BOOT) {
reset_keyboard_kb();
}
return process_record_user(keycode, record);
}
void reset_keyboard_kb(void) {
#ifdef WATCHDOG_ENABLE
MCUSR = 0;
wdt_disable();
wdt_reset();
#endif
OCR1A = 0x0000; // B5 - Red
OCR1B = 0x0FFF; // B6 - Green
OCR1C = 0x0FFF; // B7 - Blue
reset_keyboard();
}
bool led_update_kb(led_t led_state) {
bool res = led_update_user(led_state);
if(res) {
#ifdef ISSI_ENABLE
# ifdef CAPSLOCK_LED
if (led_state.caps_lock) {
activateLED(0, 3, 7, 255);
} else {
activateLED(0, 3, 7, 0);
}
# endif // CAPSLOCK_LED
#endif // ISS_ENABLE
}
return res;
}
// LFK lighting info
const uint8_t switch_matrices[] = { 0, 1 };
const uint8_t rgb_matrices[] = { 6, 7 };
const uint8_t rgb_sequence[] = {
12, 11, 10, 9, 16, 32, 31, 30, 28, 25, 24, 22, 21,
20, 19, 18, 17, 1, 2, 3, 4, 5, 6, 7, 8, 14, 13
};