#ifndef gpio_proto_h #define gpio_proto_h /* gpio_proto.h */ /* dev2 - Multi-purpose development board using USB and Ethernet. {{{ * * Copyright (C) 2013 Nicolas Schodet * * APBTeam: * Web: http://apbteam.org/ * Email: team AT apbteam DOT org * * 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 of the License, 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; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * }}} */ /* All communications are big endian. */ /* Reset communication and set all pins as input. */ #define GPIO_OP_RESET_SYNC 0xa5 /* Set port width (1 byte argument) and period (4 bytes, in ns unit). * Port width will determine the size of a port argument (1 byte for 8, 2 * bytes for 16...). Period is the pause between two output changes, 0 means * as fast as possible. */ #define GPIO_OP_SETUP 0xaa /* Set complete port direction, 1 is output. */ #define GPIO_OP_DIR 0xb0 /* Set direction as output for selected pins. */ #define GPIO_OP_DIR_OUT 0xb1 /* Set direction as input for selected pins. */ #define GPIO_OP_DIR_IN 0xb2 /* Set complete output port value. */ #define GPIO_OP_OUT 0xb4 /* Set pins in output port. */ #define GPIO_OP_OUT_SET 0xb5 /* Reset pins in output port. */ #define GPIO_OP_OUT_RESET 0xb6 /* Toggle pins in output port. */ #define GPIO_OP_OUT_TOGGLE 0xb7 /* Change pins (mask as first argument, value as second argument). */ #define GPIO_OP_OUT_CHANGE 0xb8 /* Request port input. */ #define GPIO_OP_IN 0xb9 #endif /* gpio_proto_h */