mac-rom-simm-programmer/mcp23s17.h

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/*
* mcp23s17.h
*
* Created on: Nov 25, 2011
* Author: Doug
*
* Copyright (C) 2011-2012 Doug Brown
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MCP23S17_H_
#define MCP23S17_H_
#include <stdint.h>
void MCP23S17_Init();
void MCP23S17_SetDDR(uint16_t ddr);
void MCP23S17_SetPins(uint16_t data);
uint16_t MCP23S17_ReadPins(void);
void MCP23S17_SetPullups(uint16_t pullups);
uint16_t MCP23S17_GetOutputs(void);
uint16_t MCP23S17_GetDDR(void);
uint16_t MCP23S17_GetPullups(void);
#endif /* MCP23S17_H_ */