43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Copyright 2023 9R
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "leds.h"
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#include <stdbool.h>
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#include "gpio.h"
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//////////// Status LEDs //////////////
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void init_leds(void) {
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// Both LEDs off, they have inverted logic
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gpio_set_pin_output(STATUS_LED_A_PIN);
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gpio_set_pin_output(STATUS_LED_B_PIN);
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gpio_write_pin_high(STATUS_LED_A_PIN);
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gpio_write_pin_high(STATUS_LED_B_PIN);
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}
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void set_leds(uint8_t highest_active_layer) {
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// any layer other than 0-3, quit and LEDs off
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if (highest_active_layer > 3) {
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gpio_write_pin_high(STATUS_LED_A_PIN);
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gpio_write_pin_high(STATUS_LED_B_PIN);
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return;
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}
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// use bitwise operations to display active layer in binary
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bool bit1 = !(highest_active_layer & 1);
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bool bit2 = !(highest_active_layer & 2);
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gpio_write_pin(STATUS_LED_A_PIN, bit1);
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gpio_write_pin(STATUS_LED_B_PIN, bit2);
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}
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