/* * Copyright (c) 2018 naehrwert * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _GPIO_H_ #define _GPIO_H_ #include "../utils/types.h" #define GPIO_MODE_SPIO 0 #define GPIO_MODE_GPIO 1 #define GPIO_OUTPUT_DISABLE 0 #define GPIO_OUTPUT_ENABLE 1 #define GPIO_LOW 0 #define GPIO_HIGH 1 /*! GPIO pins (0-7 for each port). */ #define GPIO_PIN_0 (1 << 0) #define GPIO_PIN_1 (1 << 1) #define GPIO_PIN_2 (1 << 2) #define GPIO_PIN_3 (1 << 3) #define GPIO_PIN_4 (1 << 4) #define GPIO_PIN_5 (1 << 5) #define GPIO_PIN_6 (1 << 6) #define GPIO_PIN_7 (1 << 7) /*! GPIO ports (A-EE). */ #define GPIO_PORT_A 0 #define GPIO_PORT_B 1 #define GPIO_PORT_C 2 #define GPIO_PORT_D 3 #define GPIO_PORT_E 4 #define GPIO_PORT_F 5 #define GPIO_PORT_G 6 #define GPIO_PORT_H 7 #define GPIO_PORT_I 8 #define GPIO_PORT_J 9 #define GPIO_PORT_K 10 #define GPIO_PORT_L 11 #define GPIO_PORT_M 12 #define GPIO_PORT_N 13 #define GPIO_PORT_O 14 #define GPIO_PORT_P 15 #define GPIO_PORT_Q 16 #define GPIO_PORT_R 17 #define GPIO_PORT_S 18 #define GPIO_PORT_T 19 #define GPIO_PORT_U 20 #define GPIO_PORT_V 21 #define GPIO_PORT_W 22 #define GPIO_PORT_X 23 #define GPIO_PORT_Y 24 #define GPIO_PORT_Z 25 #define GPIO_PORT_AA 26 #define GPIO_PORT_BB 27 #define GPIO_PORT_CC 28 #define GPIO_PORT_DD 29 #define GPIO_PORT_EE 30 void gpio_config(u32 port, u32 pins, int mode); void gpio_output_enable(u32 port, u32 pins, int enable); void gpio_write(u32 port, u32 pins, int high); int gpio_read(u32 port, u32 pins); #endif