microchip-mcp23008.h File Reference

Microchip MCP23008 driver. More...

#include "common.h"

Go to the source code of this file.

Defines
#define	MCP_REG_IODIR   0x00
#define	MCP_REG_IPOL   0x01
#define	MCP_REG_GPINTEN   0x02
#define	MCP_REG_DEFVAL   0x03
#define	MCP_REG_INTCON   0x04
#define	MCP_REG_IOCON   0x05
#define	MCP_REG_GPPU   0x06
#define	MCP_REG_INTF   0x07
#define	MCP_REG_INTCAP   0x08
#define	MCP_REG_GPIO   0x09
#define	MCP_REG_OLAT   0x0A
#define	MCP_BIT_INTPOL   1
#define	MCP_BIT_ODR   2
#define	MCP_BIT_DISSLW   4
#define	MCP_BIT_SREAD   5
#define	MCP_I2C_ADDR   0x40
Functions
bool	MCP23008setupIO (tSensors link, byte addr, byte mask, byte pullup)
bool	MCP23008setupIO (tSensors link, byte addr, byte mask)
byte	MCP23008readIO (tSensors link, byte addr, byte mask)
byte	MCP23008readIO (tSensors link, byte addr)
bool	MCP23008writeIO (tSensors link, byte addr, byte mask)
bool	MCP23008writeReg (tSensors link, byte addr, byte reg, byte data)
byte	MCP23008readReg (tSensors link, byte addr, byte reg)
Variables
tByteArray	MCP23008_I2CRequest
tByteArray	MCP23008_I2CReply

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Detailed Description

Microchip MCP23008 driver.

microchip-mcp23008.h provides an API for the MCP23008 8 port IO expander.

Changelog:

• 0.3 Rewrite to make use of standard common.h framework.
• 0.4 Renamed functions to be inline with new naming standard

License: You may use this code as you wish, provided you give credit where it's due.

THIS CODE WILL ONLY WORK WITH ROBOTC VERSION 3.59 AND HIGHER.

Author:

Xander Soldaat

Date:

18 June 2009

Version:

0.4

Definition in file microchip-mcp23008.h.