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-rw-r--r--keyboards/amptrics/0422/0422.c68
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+/* Copyright 2024 Vinod Chowl (@vchowl)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2.0 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+#define LED_LAYER_0 B3
+#define LED_LAYER_1 B4
+#define LED_LAYER_2 B5
+#define LED_LAYER_3 B6
+
+#define LED_PINS_COUNT 4
+
+static pin_t pins[LED_PINS_COUNT] = {LED_LAYER_0, LED_LAYER_1, LED_LAYER_2, LED_LAYER_3};
+
+// Function to turn on all LEDs
+void turn_on_all_leds(void) {
+ for (uint8_t i = 0; i < LED_PINS_COUNT; i++) {
+ gpio_write_pin_high(pins[i]); // Turn on LED
+ }
+}
+
+// Function to turn off all LEDs
+void turn_off_all_leds(void) {
+ for (uint8_t i = 0; i < LED_PINS_COUNT; i++) {
+ gpio_write_pin_low(pins[i]); // Turn off LED
+ }
+}
+
+void update_leds_for_layer(uint8_t layer) {
+ turn_off_all_leds();
+ if (layer < LED_PINS_COUNT) {
+ gpio_write_pin_high(pins[layer]);
+ }
+}
+
+void keyboard_post_init_kb(void) {
+ for (uint8_t i = 0; i < LED_PINS_COUNT; i++) {
+ gpio_set_pin_output(pins[i]);
+ gpio_write_pin_low(pins[i]);
+ }
+
+ // Blink all LEDs
+ turn_on_all_leds();
+ wait_ms(500); // Keep LEDs on for 500ms
+ turn_off_all_leds();
+
+ update_leds_for_layer(0); // Update LEDs to indicate the default layer
+ keyboard_post_init_user();
+}
+
+layer_state_t layer_state_set_kb(layer_state_t state) {
+ uint8_t layer = get_highest_layer(state);
+ update_leds_for_layer(layer);
+ return layer_state_set_user(state);
+}