/* * rhmidi * * Copyright (C) 2014 Christian Pointner * * This file is part of rhmidi. * * rhmidi 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 3 of the License, or * any later version. * * rhmidi 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 rhmidi. If not, see . */ #include #include "gpio.h" #define GPIO_PIN PINE #define GPIO_PORT PORTE #define GPIO_DDR DDRE void gpio_init(void) { GPIO_DDR = 0x0F; GPIO_PORT = 0xFA; } void gpio_task(void) { GPIO_PORT ^= 0x0F; }