qmk_firmware/keyboards/dztech/dz60rgb/keymaps/iso/keymap.c

#include QMK_KEYBOARD_H
extern bool g_suspend_state;
#define _LAYER0 0
#define _LAYER1 1
#define _LAYER2 2
#define _LAYER3 3
#define _LAYER4 4
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
		[_LAYER0] = LAYOUT_ANSI( /* Base */
			KC_GESC,         KC_1,     KC_2,     KC_3,  KC_4,  KC_5,  KC_6,    KC_7,  KC_8,    KC_9,     KC_0,      KC_MINS,  KC_EQL,  KC_BSPC,\
		    KC_TAB,          KC_Q,     KC_W,     KC_E,  KC_R,  KC_T,  KC_Y,    KC_U,  KC_I,    KC_O,     KC_P,      KC_LBRC,  KC_RBRC, KC_BSLASH,\
			CTL_T(KC_CAPS),  KC_A,     KC_S,     KC_D,  KC_F,  KC_G,  KC_H,    KC_J,  KC_K,    KC_L,     KC_SCLN,   KC_QUOT,           KC_ENT, \
		    KC_LSFT,         KC_Z,     KC_X,     KC_C,  KC_V,  KC_B,  KC_N,    KC_M,  KC_COMM, KC_DOT,   KC_SLSH,   KC_RSFT, \
		    KC_LCTL,         KC_LGUI,  KC_LALT,                KC_SPC,                         KC_RALT,  MO(1),     MO(2),             KC_RCTL),
		[_LAYER1] = LAYOUT_ANSI( /* FN */
			    TO(3),    KC_F1,    KC_F2,    KC_F3,    KC_F4,    KC_F5,    KC_F6,    KC_F7,    KC_F8,    KC_F9,    KC_F10,   KC_F11,   KC_F12,   KC_DEL,\
			    KC_TRNS,  KC_TRNS,  KC_UP,    KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_CALC,  KC_TRNS,  KC_INS,   KC_TRNS,  KC_PSCR,  KC_SLCK,  KC_PAUS,  RESET,\
			    KC_TRNS,  KC_LEFT,  KC_DOWN,  KC_RIGHT, KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_HOME,  KC_PGUP,            KC_TRNS,\
				KC_MPRV,  KC_VOLD,  KC_VOLU,  KC_MUTE,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_END,   KC_PGDOWN,KC_MNXT, \
				KC_TRNS,  KC_TRNS,  KC_TRNS,                      TO(3),                                  KC_TRNS,  KC_TRNS,  KC_TRNS,            KC_TRNS),
		[_LAYER2] = LAYOUT_ANSI( /* FN2 */
				KC_TRNS,  KC_F1,    KC_F2,    KC_F3,    KC_F4,    KC_F5,    KC_F6,    KC_F7,    KC_F8,    KC_F9,    KC_F10,   KC_F11,   KC_F12,   KC_DEL,\
				KC_TRNS,  RGB_TOG,  KC_TRNS,  RGB_HUI,  RGB_HUD,  RGB_SAI,  RGB_SAD,  RGB_VAI,  RGB_VAD,  RGB_MOD,  KC_TRNS,  KC_TRNS,  KC_TRNS,  RESET,\
				KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  RGB_SPI,  RGB_SPD,  KC_TRNS,  KC_TRNS,            KC_TRNS,\
				KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS, \
				KC_TRNS,  KC_TRNS,  KC_TRNS,                      KC_TRNS,                                KC_TRNS,  KC_TRNS,  KC_TRNS,            KC_TRNS),
		[_LAYER3] = LAYOUT_ANSI( /* FN3 */
				KC_GESC,       KC_1,     KC_2,     KC_3,  KC_4,  KC_5,  KC_6,    KC_7,    KC_8,    KC_9,   KC_0,    KC_MINS,  KC_EQL,  KC_BSPC,\
			    KC_TAB,        KC_Q,     KC_W,     KC_E,  KC_R,  KC_T,  KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,    KC_LBRC,  KC_RBRC, KC_BSLASH,\
				CTL_T(KC_CAPS),KC_A,     KC_S,     KC_D,  KC_F,  KC_G,  KC_H,    KC_J,    KC_K,    KC_L,   KC_SCLN, KC_QUOT,           KC_ENT, \
			    KC_LSFT,       KC_Z,     KC_X,     KC_C,  KC_V,  KC_B,  KC_N,    KC_M,    KC_COMM, KC_DOT, KC_SLSH, KC_RSFT,  \
				KC_LCTL,       KC_LALT,  KC_LGUI,                KC_SPC,                           KC_TRNS,MO(4),   KC_RALT,           KC_RCTL),
		[_LAYER4] = LAYOUT_ANSI( /* FN4 */
				KC_GESC,  KC_F1,    KC_F2,    KC_F3,    KC_F4,    KC_F5,    KC_F6,    KC_F7,    KC_F8,    KC_F9,    KC_F10,   KC_F11,   KC_F12,   KC_DEL ,\
			    KC_TRNS,  RGB_TOG,  KC_TRNS,  RGB_HUI,  RGB_HUD,  RGB_SAI,  RGB_SAD,  RGB_VAI,  RGB_VAD,  RGB_MOD,  KC_PSCR,  KC_SLCK,  KC_PAUS,  RESET,\
			    KC_TRNS,  KC_LEFT,  KC_DOWN,  KC_UP,    KC_RIGHT, KC_TRNS,  KC_TRNS,  KC_TRNS,  RGB_SPI,  RGB_SPD,  KC_HOME,  KC_PGUP,            KC_TRNS,\
				KC_MPRV,  KC_VOLD,  KC_VOLU,  KC_MUTE,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_END,   KC_PGDOWN,KC_MNXT, \
				KC_TRNS,  KC_TRNS,  KC_TRNS,                      TO(0),                                  KC_TRNS,  KC_TRNS,  KC_TRNS,            KC_TRNS),
		};

void rgb_matrix_layer_helper (uint8_t red, uint8_t green, uint8_t blue, bool default_layer) {
  rgb_led led;
  for (int i = 0; i < DRIVER_LED_TOTAL; i++) {
    led = g_rgb_leds[i];
    if (HAS_FLAGS(led.flags, LED_FLAG_MODIFIER)) {
        rgb_matrix_set_color( i, red, green, blue );
    }
  }
}

void rgb_matrix_indicators_user(void) {
	  uint8_t this_led = host_keyboard_leds();
	  if (!g_suspend_state) {
	    switch (biton32(layer_state)) {
	      case _LAYER1:
		    rgb_matrix_layer_helper(0xFF, 0x00, 0x00, false); break;
	      case _LAYER2:
	        rgb_matrix_layer_helper(0x00, 0xFF, 0x00, false); break;
	      case _LAYER3:
	        rgb_matrix_layer_helper(0x00, 0x00, 0xFF, false); break;
	      case _LAYER4:
	        rgb_matrix_layer_helper(0xFF, 0xFF, 0x00, false); break;
	    							  }
	                        }
	  if ( this_led & (1<<USB_LED_CAPS_LOCK)) {
	        rgb_matrix_set_color(40, 0xFF, 0xFF, 0xFF);
	  }

}

void matrix_init_user(void) {
  //user initialization
}

void matrix_scan_user(void) {
  //user matrix
}

	bool process_record_user(uint16_t keycode, keyrecord_t *record) {
	  return true;
	}