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87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
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* gpio.c
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* quack
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*
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* Created by Michel DEPEIGE on 14/12/2020.
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* Copyright (c) 2020 Michel DEPEIGE.
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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, or (at your option)
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* 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 (see the file COPYING); if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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*/
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#include <stdio.h>
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#include "driver/gpio.h"
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "esp_spi_flash.h"
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#include "gpio.h"
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void gpio_init(void) {
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/* LEDs */
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gpio_reset_pin(GPIO_GREENLED);
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gpio_reset_pin(GPIO_BLUELED);
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gpio_reset_pin(GPIO_YELLOWLED);
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gpio_reset_pin(GPIO_REDLED);
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gpio_set_direction(GPIO_GREENLED, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_BLUELED, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_YELLOWLED, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_REDLED, GPIO_MODE_OUTPUT);
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/* External chips */
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gpio_reset_pin(GPIO_DIR);
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gpio_reset_pin(GPIO_OE);
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gpio_set_direction(GPIO_DIR, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_OE, GPIO_MODE_OUTPUT);
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/* Modes */
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gpio_reset_pin(GPIO_ADBSRC);
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gpio_reset_pin(GPIO_BTOFF);
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gpio_set_direction(GPIO_ADBSRC, GPIO_MODE_INPUT);
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gpio_set_direction(GPIO_BTOFF, GPIO_MODE_INPUT);
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/* ADB */
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gpio_set_direction(GPIO_ADB, GPIO_MODE_INPUT);
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gpio_set_level(GPIO_DIR, 0);
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/* Quadrature mouse */
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gpio_reset_pin(GPIO_CLICK);
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gpio_reset_pin(GPIO_QX1);
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gpio_reset_pin(GPIO_QX2);
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gpio_reset_pin(GPIO_QY1);
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gpio_reset_pin(GPIO_QY2);
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gpio_set_pull_mode(GPIO_CLICK, GPIO_PULLDOWN_ONLY);
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gpio_set_pull_mode(GPIO_QX1, GPIO_PULLDOWN_ONLY);
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gpio_set_pull_mode(GPIO_QX2, GPIO_PULLDOWN_ONLY);
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gpio_set_pull_mode(GPIO_QY1, GPIO_PULLDOWN_ONLY);
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gpio_set_pull_mode(GPIO_QY2, GPIO_PULLDOWN_ONLY);
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gpio_set_direction(GPIO_CLICK, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_QX1, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_QX2, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_QY1, GPIO_MODE_OUTPUT);
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gpio_set_direction(GPIO_QY2, GPIO_MODE_OUTPUT);
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}
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void gpio_output_disable(void) {
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gpio_set_level(GPIO_OE, 1);
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}
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void gpio_output_enable(void) {
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gpio_set_level(GPIO_OE, 0);
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}
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