quack/main/gpio.c

87 lines
2.6 KiB
C

/*
* gpio.c
* quack
*
* Created by Michel DEPEIGE on 14/12/2020.
* Copyright (c) 2020 Michel DEPEIGE.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
*/
#include <stdio.h>
#include "driver/gpio.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_spi_flash.h"
#include "gpio.h"
void gpio_init(void) {
/* LEDs */
gpio_reset_pin(GPIO_GREENLED);
gpio_reset_pin(GPIO_BLUELED);
gpio_reset_pin(GPIO_YELLOWLED);
gpio_reset_pin(GPIO_REDLED);
gpio_set_direction(GPIO_GREENLED, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_BLUELED, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_YELLOWLED, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_REDLED, GPIO_MODE_OUTPUT);
/* External chips */
gpio_reset_pin(GPIO_DIR);
gpio_reset_pin(GPIO_OE);
gpio_set_direction(GPIO_DIR, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_OE, GPIO_MODE_OUTPUT);
/* Modes */
gpio_reset_pin(GPIO_ADBSRC);
gpio_reset_pin(GPIO_BTOFF);
gpio_set_direction(GPIO_ADBSRC, GPIO_MODE_INPUT);
gpio_set_direction(GPIO_BTOFF, GPIO_MODE_INPUT);
/* ADB */
gpio_set_direction(GPIO_ADB, GPIO_MODE_INPUT);
gpio_set_level(GPIO_DIR, 0);
/* Quadrature mouse */
gpio_reset_pin(GPIO_CLICK);
gpio_reset_pin(GPIO_QX1);
gpio_reset_pin(GPIO_QX2);
gpio_reset_pin(GPIO_QY1);
gpio_reset_pin(GPIO_QY2);
gpio_set_pull_mode(GPIO_CLICK, GPIO_PULLUP_ONLY);
gpio_set_pull_mode(GPIO_QX1, GPIO_PULLUP_ONLY);
gpio_set_pull_mode(GPIO_QX2, GPIO_PULLUP_ONLY);
gpio_set_pull_mode(GPIO_QY1, GPIO_PULLUP_ONLY);
gpio_set_pull_mode(GPIO_QY2, GPIO_PULLUP_ONLY);
gpio_set_direction(GPIO_CLICK, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_QX1, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_QX2, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_QY1, GPIO_MODE_OUTPUT);
gpio_set_direction(GPIO_QY2, GPIO_MODE_OUTPUT);
}
void gpio_output_disable(void) {
gpio_set_level(GPIO_OE, 1);
}
void gpio_output_enable(void) {
gpio_set_level(GPIO_OE, 0);
}