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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* Copyright 2017 skully <skullydazed@gmail.com>
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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 "hal.h"
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#include "backlight.h"
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#include "led.h"
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#include "printf.h"
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void backlight_init_ports(void) {
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printf("backlight_init_ports()\n");
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palSetPadMode(GPIOB, 5, PAL_MODE_OUTPUT_PUSHPULL); // Red
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palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL); // Green
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palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL); // Blue
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// Pull them high to turn off the LEDs
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palSetPad(GPIOB, 5);
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palSetPad(GPIOB, 3);
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palSetPad(GPIOA, 2);
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}
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void backlight_set(uint8_t level) {
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printf("backlight_set(%d)\n", level);
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if (level == 0) {
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palSetPad(GPIOB, 5);
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palSetPad(GPIOB, 3);
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palSetPad(GPIOA, 2);
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} else {
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palClearPad(GPIOB, 5);
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palClearPad(GPIOB, 3);
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palClearPad(GPIOA, 2);
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}
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}
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