81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_led.h"
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#include "watch_private.h"
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#include "tcc.h"
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void _watch_enable_tcc(void);
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void watch_enable_leds(void) {
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if (!tcc_is_enabled(0)) {
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_watch_enable_tcc();
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}
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}
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void watch_disable_leds(void) {
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_watch_disable_tcc();
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}
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void watch_set_led_color(uint8_t red, uint8_t green) {
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#ifdef WATCH_BLUE_TCC_CHANNEL
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watch_set_led_color_rgb(red, green, 0);
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#else
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watch_set_led_color_rgb(red, green, green);
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#endif
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}
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void watch_set_led_color_rgb(uint8_t red, uint8_t green, uint8_t blue) {
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if (tcc_is_enabled(0)) {
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uint32_t period = tcc_get_period(0);
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tcc_set_cc(0, (WATCH_RED_TCC_CHANNEL) % 4, ((period * (uint32_t)red * 1000ull) / 255000ull), true);
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#ifdef WATCH_GREEN_TCC_CHANNEL
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tcc_set_cc(0, (WATCH_GREEN_TCC_CHANNEL) % 4, ((period * (uint32_t)green * 1000ull) / 255000ull), true);
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#else
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(void) green; // silence warning
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#endif
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#ifdef WATCH_BLUE_TCC_CHANNEL
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tcc_set_cc(0, (WATCH_BLUE_TCC_CHANNEL) % 4, ((period * (uint32_t)blue * 1000ull) / 255000ull), true);
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#else
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(void) blue; // silence warning
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#endif
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}
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}
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void watch_set_led_red(void) {
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watch_set_led_color_rgb(255, 0, 0);
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}
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void watch_set_led_green(void) {
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watch_set_led_color_rgb(0, 255, 0);
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}
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void watch_set_led_yellow(void) {
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watch_set_led_color_rgb(255, 255, 0);
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}
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void watch_set_led_off(void) {
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watch_set_led_color_rgb(0, 0, 0);
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}
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