1-Wire - 1-Wire implementation, using DS2480B controller i…

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Paul van der Wielen / Mbed 2 deprecated 1-Wire

1-Wire implementation, using DS2480B controller interfaced with serial port, working example to read DS18B20, based on work already in progress / Dallas - Public domain code

Dependencies: mbed

Headers/ds2480.h@0:1193dbfe28e2, 2011-03-24 (annotated)

Committer:: pwheels
Date:: Thu Mar 24 17:21:29 2011 +0000
Revision:: 0:1193dbfe28e2

Who changed what in which revision?

User	Revision	Line number	New contents of line
pwheels	0:1193dbfe28e2	1	//---------------------------------------------------------------------------
pwheels	0:1193dbfe28e2	2	// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
pwheels	0:1193dbfe28e2	3	//
pwheels	0:1193dbfe28e2	4	// Permission is hereby granted, free of charge, to any person obtaining a
pwheels	0:1193dbfe28e2	5	// copy of this software and associated documentation files (the "Software"),
pwheels	0:1193dbfe28e2	6	// to deal in the Software without restriction, including without limitation
pwheels	0:1193dbfe28e2	7	// the rights to use, copy, modify, merge, publish, distribute, sublicense,
pwheels	0:1193dbfe28e2	8	// and/or sell copies of the Software, and to permit persons to whom the
pwheels	0:1193dbfe28e2	9	// Software is furnished to do so, subject to the following conditions:
pwheels	0:1193dbfe28e2	10	//
pwheels	0:1193dbfe28e2	11	// The above copyright notice and this permission notice shall be included
pwheels	0:1193dbfe28e2	12	// in all copies or substantial portions of the Software.
pwheels	0:1193dbfe28e2	13	//
pwheels	0:1193dbfe28e2	14	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
pwheels	0:1193dbfe28e2	15	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
pwheels	0:1193dbfe28e2	16	// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
pwheels	0:1193dbfe28e2	17	// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES
pwheels	0:1193dbfe28e2	18	// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
pwheels	0:1193dbfe28e2	19	// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
pwheels	0:1193dbfe28e2	20	// OTHER DEALINGS IN THE SOFTWARE.
pwheels	0:1193dbfe28e2	21	//
pwheels	0:1193dbfe28e2	22	// Except as contained in this notice, the name of Dallas Semiconductor
pwheels	0:1193dbfe28e2	23	// shall not be used except as stated in the Dallas Semiconductor
pwheels	0:1193dbfe28e2	24	// Branding Policy.
pwheels	0:1193dbfe28e2	25	//---------------------------------------------------------------------------
pwheels	0:1193dbfe28e2	26	//
pwheels	0:1193dbfe28e2	27	// DS2480.H - This file contains the DS2480B constants
pwheels	0:1193dbfe28e2	28	//
pwheels	0:1193dbfe28e2	29	// Version: 2.00
pwheels	0:1193dbfe28e2	30	//
pwheels	0:1193dbfe28e2	31	// History: 1.02 -> 1.03 Make sure uchar is not defined twice.
pwheels	0:1193dbfe28e2	32	//
pwheels	0:1193dbfe28e2	33	//
pwheels	0:1193dbfe28e2	34
pwheels	0:1193dbfe28e2	35
pwheels	0:1193dbfe28e2	36	#ifndef DS2480_H
pwheels	0:1193dbfe28e2	37	#define DS2480_H
pwheels	0:1193dbfe28e2	38
pwheels	0:1193dbfe28e2	39	#include "ownet.h"
pwheels	0:1193dbfe28e2	40
pwheels	0:1193dbfe28e2	41	#ifndef __MC68K__
pwheels	0:1193dbfe28e2	42	#include <stdlib.h>
pwheels	0:1193dbfe28e2	43	#ifndef _WIN32_WCE
pwheels	0:1193dbfe28e2	44	#include <stdio.h>
pwheels	0:1193dbfe28e2	45	#endif
pwheels	0:1193dbfe28e2	46	#endif
pwheels	0:1193dbfe28e2	47
pwheels	0:1193dbfe28e2	48	// Mode Commands
pwheels	0:1193dbfe28e2	49	#define MODE_DATA 0xE1
pwheels	0:1193dbfe28e2	50	#define MODE_COMMAND 0xE3
pwheels	0:1193dbfe28e2	51	#define MODE_STOP_PULSE 0xF1
pwheels	0:1193dbfe28e2	52
pwheels	0:1193dbfe28e2	53	// Return byte value
pwheels	0:1193dbfe28e2	54	#define RB_CHIPID_MASK 0x1C
pwheels	0:1193dbfe28e2	55	#define RB_RESET_MASK 0x03
pwheels	0:1193dbfe28e2	56	#define RB_1WIRESHORT 0x00
pwheels	0:1193dbfe28e2	57	#define RB_PRESENCE 0x01
pwheels	0:1193dbfe28e2	58	#define RB_ALARMPRESENCE 0x02
pwheels	0:1193dbfe28e2	59	#define RB_NOPRESENCE 0x03
pwheels	0:1193dbfe28e2	60
pwheels	0:1193dbfe28e2	61	#define RB_BIT_MASK 0x03
pwheels	0:1193dbfe28e2	62	#define RB_BIT_ONE 0x03
pwheels	0:1193dbfe28e2	63	#define RB_BIT_ZERO 0x00
pwheels	0:1193dbfe28e2	64
pwheels	0:1193dbfe28e2	65	// Masks for all bit ranges
pwheels	0:1193dbfe28e2	66	#define CMD_MASK 0x80
pwheels	0:1193dbfe28e2	67	#define FUNCTSEL_MASK 0x60
pwheels	0:1193dbfe28e2	68	#define BITPOL_MASK 0x10
pwheels	0:1193dbfe28e2	69	#define SPEEDSEL_MASK 0x0C
pwheels	0:1193dbfe28e2	70	#define MODSEL_MASK 0x02
pwheels	0:1193dbfe28e2	71	#define PARMSEL_MASK 0x70
pwheels	0:1193dbfe28e2	72	#define PARMSET_MASK 0x0E
pwheels	0:1193dbfe28e2	73	#define VERSION_MASK 0x1C
pwheels	0:1193dbfe28e2	74
pwheels	0:1193dbfe28e2	75	// Command or config bit
pwheels	0:1193dbfe28e2	76	#define CMD_COMM 0x81
pwheels	0:1193dbfe28e2	77	#define CMD_CONFIG 0x01
pwheels	0:1193dbfe28e2	78
pwheels	0:1193dbfe28e2	79	// Function select bits
pwheels	0:1193dbfe28e2	80	#define FUNCTSEL_BIT 0x00
pwheels	0:1193dbfe28e2	81	#define FUNCTSEL_SEARCHON 0x30
pwheels	0:1193dbfe28e2	82	#define FUNCTSEL_SEARCHOFF 0x20
pwheels	0:1193dbfe28e2	83	#define FUNCTSEL_RESET 0x40
pwheels	0:1193dbfe28e2	84	#define FUNCTSEL_CHMOD 0x60
pwheels	0:1193dbfe28e2	85
pwheels	0:1193dbfe28e2	86	// Bit polarity/Pulse voltage bits
pwheels	0:1193dbfe28e2	87	#define BITPOL_ONE 0x10
pwheels	0:1193dbfe28e2	88	#define BITPOL_ZERO 0x00
pwheels	0:1193dbfe28e2	89	#define BITPOL_5V 0x00
pwheels	0:1193dbfe28e2	90	#define BITPOL_12V 0x10
pwheels	0:1193dbfe28e2	91
pwheels	0:1193dbfe28e2	92	// One Wire speed bits
pwheels	0:1193dbfe28e2	93	#define SPEEDSEL_STD 0x00
pwheels	0:1193dbfe28e2	94	#define SPEEDSEL_FLEX 0x04
pwheels	0:1193dbfe28e2	95	#define SPEEDSEL_OD 0x08
pwheels	0:1193dbfe28e2	96	#define SPEEDSEL_PULSE 0x0C
pwheels	0:1193dbfe28e2	97
pwheels	0:1193dbfe28e2	98	// Data/Command mode select bits
pwheels	0:1193dbfe28e2	99	#define MODSEL_DATA 0x00
pwheels	0:1193dbfe28e2	100	#define MODSEL_COMMAND 0x02
pwheels	0:1193dbfe28e2	101
pwheels	0:1193dbfe28e2	102	// 5V Follow Pulse select bits (If 5V pulse
pwheels	0:1193dbfe28e2	103	// will be following the next byte or bit.)
pwheels	0:1193dbfe28e2	104	#define PRIME5V_TRUE 0x02
pwheels	0:1193dbfe28e2	105	#define PRIME5V_FALSE 0x00
pwheels	0:1193dbfe28e2	106
pwheels	0:1193dbfe28e2	107	// Parameter select bits
pwheels	0:1193dbfe28e2	108	#define PARMSEL_PARMREAD 0x00
pwheels	0:1193dbfe28e2	109	#define PARMSEL_SLEW 0x10
pwheels	0:1193dbfe28e2	110	#define PARMSEL_12VPULSE 0x20
pwheels	0:1193dbfe28e2	111	#define PARMSEL_5VPULSE 0x30
pwheels	0:1193dbfe28e2	112	#define PARMSEL_WRITE1LOW 0x40
pwheels	0:1193dbfe28e2	113	#define PARMSEL_SAMPLEOFFSET 0x50
pwheels	0:1193dbfe28e2	114	#define PARMSEL_ACTIVEPULLUPTIME 0x60
pwheels	0:1193dbfe28e2	115	#define PARMSEL_BAUDRATE 0x70
pwheels	0:1193dbfe28e2	116
pwheels	0:1193dbfe28e2	117	// Pull down slew rate.
pwheels	0:1193dbfe28e2	118	#define PARMSET_Slew15Vus 0x00
pwheels	0:1193dbfe28e2	119	#define PARMSET_Slew2p2Vus 0x02
pwheels	0:1193dbfe28e2	120	#define PARMSET_Slew1p65Vus 0x04
pwheels	0:1193dbfe28e2	121	#define PARMSET_Slew1p37Vus 0x06
pwheels	0:1193dbfe28e2	122	#define PARMSET_Slew1p1Vus 0x08
pwheels	0:1193dbfe28e2	123	#define PARMSET_Slew0p83Vus 0x0A
pwheels	0:1193dbfe28e2	124	#define PARMSET_Slew0p7Vus 0x0C
pwheels	0:1193dbfe28e2	125	#define PARMSET_Slew0p55Vus 0x0E
pwheels	0:1193dbfe28e2	126
pwheels	0:1193dbfe28e2	127	// 12V programming pulse time table
pwheels	0:1193dbfe28e2	128	#define PARMSET_32us 0x00
pwheels	0:1193dbfe28e2	129	#define PARMSET_64us 0x02
pwheels	0:1193dbfe28e2	130	#define PARMSET_128us 0x04
pwheels	0:1193dbfe28e2	131	#define PARMSET_256us 0x06
pwheels	0:1193dbfe28e2	132	#define PARMSET_512us 0x08
pwheels	0:1193dbfe28e2	133	#define PARMSET_1024us 0x0A
pwheels	0:1193dbfe28e2	134	#define PARMSET_2048us 0x0C
pwheels	0:1193dbfe28e2	135	#define PARMSET_infinite 0x0E
pwheels	0:1193dbfe28e2	136
pwheels	0:1193dbfe28e2	137	// 5V strong pull up pulse time table
pwheels	0:1193dbfe28e2	138	#define PARMSET_16p4ms 0x00
pwheels	0:1193dbfe28e2	139	#define PARMSET_65p5ms 0x02
pwheels	0:1193dbfe28e2	140	#define PARMSET_131ms 0x04
pwheels	0:1193dbfe28e2	141	#define PARMSET_262ms 0x06
pwheels	0:1193dbfe28e2	142	#define PARMSET_524ms 0x08
pwheels	0:1193dbfe28e2	143	#define PARMSET_1p05s 0x0A
pwheels	0:1193dbfe28e2	144	#define PARMSET_2p10s 0x0C
pwheels	0:1193dbfe28e2	145	#define PARMSET_infinite 0x0E
pwheels	0:1193dbfe28e2	146
pwheels	0:1193dbfe28e2	147	// Write 1 low time
pwheels	0:1193dbfe28e2	148	#define PARMSET_Write8us 0x00
pwheels	0:1193dbfe28e2	149	#define PARMSET_Write9us 0x02
pwheels	0:1193dbfe28e2	150	#define PARMSET_Write10us 0x04
pwheels	0:1193dbfe28e2	151	#define PARMSET_Write11us 0x06
pwheels	0:1193dbfe28e2	152	#define PARMSET_Write12us 0x08
pwheels	0:1193dbfe28e2	153	#define PARMSET_Write13us 0x0A
pwheels	0:1193dbfe28e2	154	#define PARMSET_Write14us 0x0C
pwheels	0:1193dbfe28e2	155	#define PARMSET_Write15us 0x0E
pwheels	0:1193dbfe28e2	156
pwheels	0:1193dbfe28e2	157	// Data sample offset and Write 0 recovery time
pwheels	0:1193dbfe28e2	158	#define PARMSET_SampOff3us 0x00
pwheels	0:1193dbfe28e2	159	#define PARMSET_SampOff4us 0x02
pwheels	0:1193dbfe28e2	160	#define PARMSET_SampOff5us 0x04
pwheels	0:1193dbfe28e2	161	#define PARMSET_SampOff6us 0x06
pwheels	0:1193dbfe28e2	162	#define PARMSET_SampOff7us 0x08
pwheels	0:1193dbfe28e2	163	#define PARMSET_SampOff8us 0x0A
pwheels	0:1193dbfe28e2	164	#define PARMSET_SampOff9us 0x0C
pwheels	0:1193dbfe28e2	165	#define PARMSET_SampOff10us 0x0E
pwheels	0:1193dbfe28e2	166
pwheels	0:1193dbfe28e2	167	// Active pull up on time
pwheels	0:1193dbfe28e2	168	#define PARMSET_PullUp0p0us 0x00
pwheels	0:1193dbfe28e2	169	#define PARMSET_PullUp0p5us 0x02
pwheels	0:1193dbfe28e2	170	#define PARMSET_PullUp1p0us 0x04
pwheels	0:1193dbfe28e2	171	#define PARMSET_PullUp1p5us 0x06
pwheels	0:1193dbfe28e2	172	#define PARMSET_PullUp2p0us 0x08
pwheels	0:1193dbfe28e2	173	#define PARMSET_PullUp2p5us 0x0A
pwheels	0:1193dbfe28e2	174	#define PARMSET_PullUp3p0us 0x0C
pwheels	0:1193dbfe28e2	175	#define PARMSET_PullUp3p5us 0x0E
pwheels	0:1193dbfe28e2	176
pwheels	0:1193dbfe28e2	177	// Baud rate bits
pwheels	0:1193dbfe28e2	178	#define PARMSET_9600 0x00
pwheels	0:1193dbfe28e2	179	#define PARMSET_19200 0x02
pwheels	0:1193dbfe28e2	180	#define PARMSET_57600 0x04
pwheels	0:1193dbfe28e2	181	#define PARMSET_115200 0x06
pwheels	0:1193dbfe28e2	182
pwheels	0:1193dbfe28e2	183	// Baud rate bits - Inverted Read
pwheels	0:1193dbfe28e2	184	#define PARMSET_INV_9600 0x08
pwheels	0:1193dbfe28e2	185	#define PARMSET_INV_19200 0x0A
pwheels	0:1193dbfe28e2	186	#define PARMSET_INV_57600 0x0C
pwheels	0:1193dbfe28e2	187	#define PARMSET_INV_115200 0x0E
pwheels	0:1193dbfe28e2	188
pwheels	0:1193dbfe28e2	189
pwheels	0:1193dbfe28e2	190	// DS2480B program voltage available
pwheels	0:1193dbfe28e2	191	#define DS2480PROG_MASK 0x20
pwheels	0:1193dbfe28e2	192
pwheels	0:1193dbfe28e2	193	// mode bit flags
pwheels	0:1193dbfe28e2	194	#define MODE_NORMAL 0x00
pwheels	0:1193dbfe28e2	195	#define MODE_OVERDRIVE 0x01
pwheels	0:1193dbfe28e2	196	#define MODE_STRONG5 0x02
pwheels	0:1193dbfe28e2	197	#define MODE_PROGRAM 0x04
pwheels	0:1193dbfe28e2	198	#define MODE_BREAK 0x08
pwheels	0:1193dbfe28e2	199
pwheels	0:1193dbfe28e2	200	// Versions of DS2480
pwheels	0:1193dbfe28e2	201	#define VER_LINK 0x1C
pwheels	0:1193dbfe28e2	202	#define VER_DS2480 0x08
pwheels	0:1193dbfe28e2	203	#define VER_DS2480B 0x0C
pwheels	0:1193dbfe28e2	204
pwheels	0:1193dbfe28e2	205	// exportable functions defined in ds2480ut.c
pwheels	0:1193dbfe28e2	206	SMALLINT DS2480Detect(int portnum);
pwheels	0:1193dbfe28e2	207	SMALLINT DS2480ChangeBaud(int portnum, uchar newbaud);
pwheels	0:1193dbfe28e2	208
pwheels	0:1193dbfe28e2	209	// link functions from win32lnk.c or other link files
pwheels	0:1193dbfe28e2	210	SMALLINT OpenCOM(int portnum, char *port_zstr);
pwheels	0:1193dbfe28e2	211	int OpenCOMEx(char *port_zstr);
pwheels	0:1193dbfe28e2	212	void CloseCOM(int portnum);
pwheels	0:1193dbfe28e2	213	void FlushCOM(int portnum);
pwheels	0:1193dbfe28e2	214	SMALLINT WriteCOM(int portnum, int outlen, uchar *outbuf);
pwheels	0:1193dbfe28e2	215	int ReadCOM(int portnum, int inlen, uchar *inbuf);
pwheels	0:1193dbfe28e2	216	void BreakCOM(int portnum);
pwheels	0:1193dbfe28e2	217	void SetBaudCOM(int portnum, int new_baud);
pwheels	0:1193dbfe28e2	218
pwheels	0:1193dbfe28e2	219
pwheels	0:1193dbfe28e2	220	#endif //DS2480_H

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	24 Mar 2011
Imports:	104
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	6

Headers/ds2480.h@0:1193dbfe28e2, 2011-03-24 (annotated)

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