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qmk_firmware/keyboards/lfkeyboards/lfk78/lfk78.c

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#include "lfk78.h"
#include <avr/wdt.h>
uint16_t click_hz = CLICK_HZ;
uint16_t click_time = CLICK_MS;
uint8_t click_toggle = CLICK_ENABLED;
void matrix_init_kb(void) {
matrix_init_user();
#ifndef AUDIO_ENABLE
// If we're not using the audio pin, drive it low
gpio_set_pin_output(C6);
gpio_write_pin_low(C6);
#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 housekeeping_task_kb(void) {
#ifdef WATCHDOG_ENABLE
wdt_reset();
#endif
}
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);
}
return process_record_user(keycode, record);
}
bool shutdown_kb(bool jump_to_bootloader) {
#ifdef WATCHDOG_ENABLE
// Unconditionally run so shutdown_user can't mess up watchdog
MCUSR = 0;
wdt_disable();
wdt_reset();
#endif
if (!shutdown_user(jump_to_bootloader)) {
return false;
}
return true;
}