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/*
* Copyright 2020 Richard Titmuss (richard.titmuss@gmail.com)
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#define IODIRA 0x00
#define IODIRB 0x01
#define GPPUA 0x0C
#define GPPUB 0x0D
#define GPIOA 0x12
#define GPIOB 0x13
typedef int16_t mcp23018_status_t;
void msp23018_init(void);
bool mcp23018_reset_required(void);
mcp23018_status_t mcp23018_writeReg(uint8_t regaddr, const uint8_t* data, uint16_t length);
mcp23018_status_t mcp23018_readReg(uint8_t regaddr, uint8_t* data, uint16_t length);
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