ds1820.h

myTemp is used to connect PalmOS PDAs to Dallas Microlan(tm) Devices. It currently supports DS1820

/*
  myTemp is used to connect PalmOS PDAs to Dallas Microlan(tm) Devices.
  It currently supports DS1820/DS18S20 Digital Thermometers
  Copyright (C) 2000 Christof Klaiber

  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 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


  Christof Klaiber <[e-mail]>
  Lachnerstr. 22
  76131 Karlsruhe
  Germany
*/

#define kScratchPadLength	9

/*
	Name:		ReadScratchpad
	Purpose:	Send/ a Match Rom command to the indicated 1-wire device
	Input:		UInt16	serialRefNum	reference to the serial library
				UInt8*	scpad	Pointer to 9 Bytes for SP-Data
	Result:		Err error
			
	Name: Christof Klaiber <[e-mail]>
	Versions:	25.01.2001	First working Release
				06.12.2003	rewrite for version 4
	 
	This function is taken from digitemp-1.3/onewire.c by Brian C. Lane <[e-mail]>
*/
UInt32	DSReadScratchpad(UInt16, UInt8[9]);

/*
	Name:		ReadTemperature
	Purpose:	Do the Temperature Conversation
	Input:		UInt16	serialRefNum	serial reference
	Result:		Err		error
			
	Name: Christof Klaiber <[e-mail]>
	Versions:	25.01.2001	First working Release
	 			06.12.2003	rewrite for version 4
				11.12.2003	error handling
				
	This function is taken from digitemp-1.3/onewire.c by Brian C. Lane <[e-mail]>
*/
UInt32	DSReadTemperature(UInt16);

/*
	Name:		DSResetTemperature
	Purpose:	Reset the  device
	Input:		UInt16	serialRefNum	serial reference
	Result:		Err	error
			
	Name: Christof Klaiber <[e-mail]>
	Versions:	11.12.2003	introduced
*/
UInt32	DSResetTemperature(UInt16);

/*
	Name:		SkipROM
	Purpose:	Skip the MatchROM for single devices
	Input:		UInt16	serialRefNum	serial reference
	Result:		Int8	0 if correct, -1 if error
			
	Name: Christof Klaiber <[e-mail]>
	Versions:	25.01.2001	First working Release
	 			04.03.2001	deleted redundant TouchReset
				06.12.2003	rewrite for version 4
				
	This function is taken from digitemp-1.3/onewire.c by Brian C. Lane <[e-mail]>
*/
UInt32	DSSkipROM(UInt16);