/*

Copyright (c) 2013, Shawn McGregor and Steve Mitchell All rights reserved.

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    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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AT30TS75x.h

Notes:	Atmel Device requires single 2.7v to 5.5v supply
	Measures temperature range from -55c to +125c
	I2C interface with max clock frequency of 3.4Mhz
	1ľA current when shutdown mode enabled 

*/

#include <p18cxxx.h>
#include <pconfig.h>

#ifndef AT30TS75x_H
#define AT30TS75x_H

// Chipset Address R/W Settings

#define AT30TS75x_Read			0b10010001		// 8-bit Default base address location mode for read
#define AT30TS75x_Write			0b10010000		// 8-bit Default base address location mode for write

// Chipset Registers Index

#define AT30TS75xTemperature		0b0000000000000000	// 16-bit Temperature register			(default 0x0000)
#define AT30TS75xConfig			0b0000000000000001	// 16-bit Configuration register		(default 0x0000)
#define AT30TS75xTLimitLo		0b0000000000000011	// 16-bit Temperature lower limit register	(default 0x4B00) 75c
#define AT30TS75xTLimitHi		0b0000000000000010	// 16-bit Temperature high limit register	(default 0x5000) 80c

// Chipset Configuration Settings

#define AT30TS75xOneShotOFF  		0b0000000000000000	// Bit-15	R/W 	One Shot		0: Normal operation (default)
#define AT30TS75xOneShotON   		0b1000000000000000	//						1: Do single shot

#define AT30TS75xResolution9		0b0000000000000000	// Bit-14	R/W	Resolution		00: 9-bit  calculate: result >> 7 * 0.5	(default)
#define AT30TS75xResolution10		0b0010000000000000	//						01: 10-bit calculate: result >> 6 * 0.25
#define AT30TS75xResolution11		0b0100000000000000	//						10: 11-bit calculate: result >> 5 * 0.125
#define AT30TS75xResolution12		0b0110000000000000	//						11: 12-bit calculate: result >> 4 * 0.0625

#define AT30TS75xAlarmFault1		0b0000000000000000	// Bit-12	R/W	Fault Queue		00: Alarm after 1 Fault (default)
#define AT30TS75xAlarmFault2		0b0000100000000000	//						01: Alarm after 2 Consecutive Faults
#define AT30TS75xAlarmFault4		0b0001000000000000	//						10: Alarm after 4 Consecutive Faults
#define AT30TS75xAlarmFault6		0b0001100000000000	//						11: Alarm after 6 Consecutive Faults

#define AT30TS75xAlarmActiveLo		0b0000000000000000	// Bit-10	R/W	Alert polarity		0: Active Lo (default)
#define AT30TS75xAlarmActiveHi		0b0000010000000000	//						1: Active Hi 

#define AT30TS75xCompareOn		0b0000000000000000	// Bit-09	R/W	CMP/INT Mode		0: Comparator (default)
#define AT30TS75xInterruptOn 		0b0000001000000000	//						1: Interrupt

#define AT30TS75xShutDownEnabled	0b0000000000000000	// Bit-08	R/W	Shutdown Mode		0: Disabled (default)
#define AT30TS75xShutDownDisabled	0b0000000100000000  	//						1: Enabled

// Code Interface

int  AT30TS75xRead			(unsigned int w_register);
int  AT30TS75xWrite			(unsigned int w_register, unsigned int w_value);

#endif