qmk_firmware_custom/keyboards/rama/m6_a/keymaps/default/keymap.c

#include "../../m6_a.h"

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

	KEYMAP(
		TO(1), KC_A, KC_B, KC_C, KC_D, KC_E),

	KEYMAP(
		TO(2), KC_F, KC_G, KC_H, KC_I, KC_J),

	KEYMAP(
		TO(3), KC_K, KC_L, KC_M, KC_N, KC_O),

	KEYMAP(
		TO(4), KC_P, KC_Q, KC_R, KC_S, KC_T),

	KEYMAP(
		TO(5), KC_U, KC_V, KC_W, KC_X, KC_Y),

	KEYMAP(
		TO(0), KC_Z, KC_1, KC_2, KC_3, KC_4)
};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {
	//keyevent_t event = record->event;

	switch (id) {
		case 0:
			if (record->event.pressed) {
				return MACRO( T(T), T(G), T(L), T(H), T(F), T(ENT), END );
			}
			break;
		case 1:
			if (record->event.pressed) {
				return MACRO( T(T), T(G), T(G), T(ENT), END );
			}
			break;
		case 2:
			if (record->event.pressed) {
				return MACRO( D(NO), T(L), U(NO), END );
			}
			break;
		case 3:
			if (record->event.pressed) {
				return MACRO( D(LCTL), T(Z), U(LCTL), END );
			}
			break;
		case 4:
			if (record->event.pressed) {
				return MACRO( D(LCTL), D(LSFT), T(Z), U(LSFT), U(LCTL), END );
			}
			break;
		case 5:
			if (record->event.pressed) {
				return MACRO( D(LCTL), T(X), U(LCTL), END );
			}
			break;
		case 6:
			if (record->event.pressed) {
				return MACRO( D(LCTL), T(C), U(LCTL), END );
			}
			break;
		case 7:
			if (record->event.pressed) {
				return MACRO( D(LCTL), T(V), U(LCTL), END );
			}
			break;
	}
	return MACRO_NONE;
}

// M6-A LEDs are connected to D6, B6, F5, B4, C7, F7
// This is 1-based because I copied it from Knops code.
void set_switch_led(int ledId, bool state) {
	if(state) {
		switch(ledId) {
			case 1:
				PORTD |= (1<<6);
				break;
			case 2:
				PORTB |= (1<<6);
				break;
			case 3:
				PORTF |= (1<<5);
				break;
			case 4:
				PORTB |= (1<<4);
				break;
			case 5:
				PORTC |= (1<<7);
				break;
			case 6:
				PORTF |= (1<<7);
				break;
		}
	} else {
		switch(ledId) {
			case 1:
				PORTD &= ~(1<<6);
				break;
			case 2:
				PORTB &= ~(1<<6);
				break;
			case 3:
				PORTF &= ~(1<<5);
				break;
			case 4:
				PORTB &= ~(1<<4);
				break;
			case 5:
				PORTC &= ~(1<<7);
				break;
			case 6:
				PORTF &= ~(1<<7);
				break;
		}
	}
}


void set_layer_led(int layerId) {
	// UNUSED
}

void led_set_layer(int layer);

void matrix_init_user(void) {
	led_init_ports();
	led_set_layer(0);
}

void matrix_scan_user(void) {
}

// M6-A LEDs are connected to D6, B6, F5, B4, C7, F7
void led_init_ports() {
	// Switch #1
	DDRD |= (1<<6);
	PORTD &= ~(1<<6);
	
	// Switch #2
	DDRB |= (1<<6);
	PORTB &= ~(1<<6);
	
	// Switch #3
	DDRF |= (1<<5);
	PORTF &= ~(1<<5);
	
	// Switch #4
	DDRB |= (1<<4);
	PORTB &= ~(1<<4);

	// Switch #5
	DDRC |= (1<<7);
	PORTC &= ~(1<<7);
	
	// Switch #6
	DDRF |= (1<<7);
	PORTF &= ~(1<<7);
}

void led_set_user(uint8_t usb_led) {

	if (usb_led & (1 << USB_LED_NUM_LOCK)) {
		
	} else {
		
	}

	if (usb_led & (1 << USB_LED_CAPS_LOCK)) {

	} else {

	}

	if (usb_led & (1 << USB_LED_SCROLL_LOCK)) {
		
	} else {
		
	}

	if (usb_led & (1 << USB_LED_COMPOSE)) {
		
	} else {
		
	}

	if (usb_led & (1 << USB_LED_KANA)) {
		
	} else {
		
	}

}

void led_set_layer(int layer) {
	switch(layer) {
		case 0:
			set_switch_led(1, true);
			set_switch_led(2, false);
			set_switch_led(3, false);
			set_switch_led(4, false);
			set_switch_led(5, false);
			set_switch_led(6, false);
			break;
		case 1:
			set_switch_led(1, false);
			set_switch_led(2, true);
			set_switch_led(3, false);
			set_switch_led(4, false);
			set_switch_led(5, false);
			set_switch_led(6, false);
			break;
		case 2:
			set_switch_led(1, false);
			set_switch_led(2, false);
			set_switch_led(3, true);
			set_switch_led(4, false);
			set_switch_led(5, false);
			set_switch_led(6, false);
			break;
		case 3:
			set_switch_led(1, false);
			set_switch_led(2, false);
			set_switch_led(3, false);
			set_switch_led(4, true);
			set_switch_led(5, false);
			set_switch_led(6, false);
			break;
		case 4:
			set_switch_led(1, false);
			set_switch_led(2, false);
			set_switch_led(3, false);
			set_switch_led(4, false);
			set_switch_led(5, true);
			set_switch_led(6, false);
			break;
		case 5:
			set_switch_led(1, false);
			set_switch_led(2, false);
			set_switch_led(3, false);
			set_switch_led(4, false);
			set_switch_led(5, false);
			set_switch_led(6, true);
			break;
		default:
			set_switch_led(1, true);
			set_switch_led(2, true);
			set_switch_led(3, true);
			set_switch_led(4, true);
			set_switch_led(5, true);
			set_switch_led(6, true);
			break;
	}
}

bool process_record_user (uint16_t keycode, keyrecord_t *record) {
	switch ( keycode )
	{
		case TO( 0 ):
			if ( record->event.pressed )
			{
				led_set_layer( 0 );
			}
			break;
		case TO( 1 ):
			if ( record->event.pressed )
			{
				led_set_layer( 1 );
			}
			break;
		case TO( 2 ):
			if ( record->event.pressed )
			{
				led_set_layer( 2 );
			}
			break;
		case TO( 3 ):
			if ( record->event.pressed )
			{
				led_set_layer( 3 );
			}
			break;
		case TO( 4 ):
			if ( record->event.pressed )
			{
				led_set_layer( 4 );
			}
			break;
		case TO( 5 ):
			if ( record->event.pressed )
			{
				led_set_layer( 5 );
			}
			break;
	}
	return true;
}