44 lines
1.3 KiB
C
Executable file
44 lines
1.3 KiB
C
Executable file
/*
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Copyright 2018 Cole Markham
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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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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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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 "staryu.h"
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#ifdef BACKLIGHT_ENABLE
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#ifdef BACKLIGHT_PIN
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#pragma error "BACKLIGHT_PIN must stay undefined otherwise software pwm is incorrectly used"
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#endif
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#define BACKLIGHT_PIN_COUNT 5
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static const pin_t backlight_pins[BACKLIGHT_PIN_COUNT] = { C2, C7, D5, D6, B0 };
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void backlight_init_ports(void) {
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for (uint8_t index = 0; index < BACKLIGHT_PIN_COUNT; index++) {
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setPinOutput(backlight_pins[index]);
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}
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}
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void backlight_set_value(uint8_t index, uint8_t level) {
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writePin(backlight_pins[index], !!level);
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}
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void backlight_set(uint8_t level) {
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for (uint8_t index = 0; index < BACKLIGHT_PIN_COUNT; index++) {
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backlight_set_value(index, level);
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}
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}
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#endif //BACKLIGHT_ENABLE
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