TMP175 - TMP175 Temperature Sensor

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TMP175 Temperature Sensor

TMP175.h@0:e177f6671b88, 2011-02-02 (annotated)

Committer:: Suky
Date:: Wed Feb 02 23:55:19 2011 +0000
Revision:: 0:e177f6671b88

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User	Revision	Line number	New contents of line
Suky	0:e177f6671b88	1	/*
Suky	0:e177f6671b88	2	\file TMP175.h
Suky	0:e177f6671b88	3	\version: 1.0
Suky	0:e177f6671b88	4
Suky	0:e177f6671b88	5	\brief Este fichero contiene funciones para control de TMP175/75
Suky	0:e177f6671b88	6
Suky	0:e177f6671b88	7	\web www.micros-designs.com.ar
Suky	0:e177f6671b88	8	\date 02/02/11
Suky	0:e177f6671b88	9
Suky	0:e177f6671b88	10	- Version Log --------------------------------------------------------------
Suky	0:e177f6671b88	11	* Fecha Autor Comentarios *
Suky	0:e177f6671b88	12	----------------------------------------------------------------------------
Suky	0:e177f6671b88	13	* 02/02/11 Suky Original *
Suky	0:e177f6671b88	14	----------------------------------------------------------------------------/
Suky	0:e177f6671b88	15	///////////////////////////////////////////////////////////////////////////
Suky	0:e177f6671b88	16	//// ////
Suky	0:e177f6671b88	17	//// ////
Suky	0:e177f6671b88	18	//// (C) Copyright 2011 www.micros-designs.com.ar ////
Suky	0:e177f6671b88	19	//// Este código puede ser usado, modificado y distribuido libremente ////
Suky	0:e177f6671b88	20	//// sin eliminar esta cabecera y sin garantía de ningún tipo. ////
Suky	0:e177f6671b88	21	//// ////
Suky	0:e177f6671b88	22	//// ////
Suky	0:e177f6671b88	23	///////////////////////////////////////////////////////////////////////////
Suky	0:e177f6671b88	24	#include "mbed.h"
Suky	0:e177f6671b88	25
Suky	0:e177f6671b88	26
Suky	0:e177f6671b88	27	class TMP175{
Suky	0:e177f6671b88	28	public:
Suky	0:e177f6671b88	29	#define SHUTDOWN_MODE_OFF 0x00
Suky	0:e177f6671b88	30	#define SHUTDOWN_MODE_ON 0x01
Suky	0:e177f6671b88	31	#define COMPARATOR_MODE 0x00
Suky	0:e177f6671b88	32	#define INTERRUPT_MODE 0x02
Suky	0:e177f6671b88	33	#define POLARITY_0 0x00
Suky	0:e177f6671b88	34	#define POLARITY_1 0x04
Suky	0:e177f6671b88	35	#define FAULT_QUEUE_1 0x00
Suky	0:e177f6671b88	36	#define FAULT_QUEUE_2 0x08
Suky	0:e177f6671b88	37	#define FAULT_QUEUE_4 0x10
Suky	0:e177f6671b88	38	#define FAULT_QUEUE_6 0x18
Suky	0:e177f6671b88	39	#define RESOLUTION_9 0x00
Suky	0:e177f6671b88	40	#define RESOLUTION_10 0x20
Suky	0:e177f6671b88	41	#define RESOLUTION_11 0x40
Suky	0:e177f6671b88	42	#define RESOLUTION_12 0x60
Suky	0:e177f6671b88	43	#define ONE_SHOT 0x80
Suky	0:e177f6671b88	44	TMP175(PinName PIN_SDA, PinName PIN_SCL, PinName PIN_ALERT=NC);
Suky	0:e177f6671b88	45	void vSetConfigurationTMP175(unsigned char Config,unsigned char Address);
Suky	0:e177f6671b88	46	void vStartSingleConversionTMP175(void);
Suky	0:e177f6671b88	47	float fReadTemperatureTMP175(void);
Suky	0:e177f6671b88	48	void vSetTemperatureLowTMP175(float Value);
Suky	0:e177f6671b88	49	void vSetTemperatureHighTMP175(float Value);
Suky	0:e177f6671b88	50	float fReadTemperatureHighTMP175(void);
Suky	0:e177f6671b88	51	float fReadTemperatureLowTMP175(void);
Suky	0:e177f6671b88	52	bool bReadPinAlertTMP175(void);
Suky	0:e177f6671b88	53	#ifdef MBED_OPERATORS
Suky	0:e177f6671b88	54	operator float();
Suky	0:e177f6671b88	55	#endif
Suky	0:e177f6671b88	56	protected:
Suky	0:e177f6671b88	57	unsigned char _Address, Rotar;
Suky	0:e177f6671b88	58	float Factor;
Suky	0:e177f6671b88	59	unsigned short Mascara;
Suky	0:e177f6671b88	60	I2C Bus;
Suky	0:e177f6671b88	61	DigitalIn _PIN_ALERT;
Suky	0:e177f6671b88	62	};
Suky	0:e177f6671b88	63
Suky	0:e177f6671b88	64	TMP175::TMP175(PinName PIN_SDA, PinName PIN_SCL, PinName PIN_ALERT)
Suky	0:e177f6671b88	65	:Bus(PIN_SDA,PIN_SCL),_PIN_ALERT(PIN_ALERT){
Suky	0:e177f6671b88	66	}
Suky	0:e177f6671b88	67
Suky	0:e177f6671b88	68	void TMP175::vSetConfigurationTMP175(unsigned char Config,unsigned char Address){
Suky	0:e177f6671b88	69
Suky	0:e177f6671b88	70	_Address=Address<<1;
Suky	0:e177f6671b88	71	switch(Config&0x60){
Suky	0:e177f6671b88	72	case 0x00:
Suky	0:e177f6671b88	73	Factor=0.5;
Suky	0:e177f6671b88	74	Mascara=0x00FF;
Suky	0:e177f6671b88	75	Rotar=3;
Suky	0:e177f6671b88	76	break;
Suky	0:e177f6671b88	77	case 0x20:
Suky	0:e177f6671b88	78	Factor=0.25;
Suky	0:e177f6671b88	79	Mascara=0x01FF;
Suky	0:e177f6671b88	80	Rotar=2;
Suky	0:e177f6671b88	81	break;
Suky	0:e177f6671b88	82	case 0x40:
Suky	0:e177f6671b88	83	Factor=0.125;
Suky	0:e177f6671b88	84	Mascara=0x03FF;
Suky	0:e177f6671b88	85	Rotar=1;
Suky	0:e177f6671b88	86	break;
Suky	0:e177f6671b88	87	case 0x60:
Suky	0:e177f6671b88	88	Factor=0.0625;
Suky	0:e177f6671b88	89	Mascara=0x07FF;
Suky	0:e177f6671b88	90	Rotar=0;
Suky	0:e177f6671b88	91	break;
Suky	0:e177f6671b88	92	}
Suky	0:e177f6671b88	93
Suky	0:e177f6671b88	94	Bus.start();
Suky	0:e177f6671b88	95	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	96	Bus.write(0x01);
Suky	0:e177f6671b88	97	Bus.write(Config);
Suky	0:e177f6671b88	98	Bus.stop();
Suky	0:e177f6671b88	99	}
Suky	0:e177f6671b88	100
Suky	0:e177f6671b88	101	void TMP175::vSetTemperatureLowTMP175(float Value){
Suky	0:e177f6671b88	102	unsigned short Temp;
Suky	0:e177f6671b88	103
Suky	0:e177f6671b88	104	if(Value>=0.0){
Suky	0:e177f6671b88	105	Temp=Value/0.0625;
Suky	0:e177f6671b88	106	}else{
Suky	0:e177f6671b88	107	Temp=(Value+128.0)/0.0625;
Suky	0:e177f6671b88	108	Temp!=0x0800;
Suky	0:e177f6671b88	109	}
Suky	0:e177f6671b88	110	Temp<<=4;
Suky	0:e177f6671b88	111
Suky	0:e177f6671b88	112	Bus.start();
Suky	0:e177f6671b88	113	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	114	Bus.write(0x02);
Suky	0:e177f6671b88	115	Bus.write(((unsigned char )&Temp+1));
Suky	0:e177f6671b88	116	Bus.write(((unsigned char )&Temp));
Suky	0:e177f6671b88	117	Bus.stop();
Suky	0:e177f6671b88	118	}
Suky	0:e177f6671b88	119
Suky	0:e177f6671b88	120	float TMP175::fReadTemperatureLowTMP175(void){
Suky	0:e177f6671b88	121	unsigned short Temp;
Suky	0:e177f6671b88	122	float Cal;
Suky	0:e177f6671b88	123
Suky	0:e177f6671b88	124	Bus.start();
Suky	0:e177f6671b88	125	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	126	Bus.write(0x02);
Suky	0:e177f6671b88	127	Bus.start();
Suky	0:e177f6671b88	128	Bus.write(_Address \| 0x01);
Suky	0:e177f6671b88	129	((unsigned char )&Temp+1)=Bus.read(1);
Suky	0:e177f6671b88	130	((unsigned char )&Temp)=Bus.read(0);
Suky	0:e177f6671b88	131	Bus.stop();
Suky	0:e177f6671b88	132
Suky	0:e177f6671b88	133	Temp>>=4;
Suky	0:e177f6671b88	134	Cal=Temp*0.0625;
Suky	0:e177f6671b88	135	if((0x0800&Temp)!=0x0000){
Suky	0:e177f6671b88	136	Cal-=128.0;
Suky	0:e177f6671b88	137	}
Suky	0:e177f6671b88	138
Suky	0:e177f6671b88	139	return(Cal);
Suky	0:e177f6671b88	140	}
Suky	0:e177f6671b88	141
Suky	0:e177f6671b88	142	void TMP175::vSetTemperatureHighTMP175(float Value){
Suky	0:e177f6671b88	143	unsigned short Temp;
Suky	0:e177f6671b88	144
Suky	0:e177f6671b88	145	if(Value>=0.0){
Suky	0:e177f6671b88	146	Temp=Value/0.0625;
Suky	0:e177f6671b88	147	}else{
Suky	0:e177f6671b88	148	Temp=(Value+128.0)/0.0625;
Suky	0:e177f6671b88	149	Temp!=0x0800;
Suky	0:e177f6671b88	150	}
Suky	0:e177f6671b88	151	Temp<<=4;
Suky	0:e177f6671b88	152
Suky	0:e177f6671b88	153	Bus.start();
Suky	0:e177f6671b88	154	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	155	Bus.write(0x03);
Suky	0:e177f6671b88	156	Bus.write(((unsigned char )&Temp+1));
Suky	0:e177f6671b88	157	Bus.write(((unsigned char )&Temp));
Suky	0:e177f6671b88	158	Bus.stop();
Suky	0:e177f6671b88	159	}
Suky	0:e177f6671b88	160
Suky	0:e177f6671b88	161	float TMP175::fReadTemperatureHighTMP175(void){
Suky	0:e177f6671b88	162	unsigned short Temp;
Suky	0:e177f6671b88	163	float Cal;
Suky	0:e177f6671b88	164
Suky	0:e177f6671b88	165	Bus.start();
Suky	0:e177f6671b88	166	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	167	Bus.write(0x03);
Suky	0:e177f6671b88	168	Bus.start();
Suky	0:e177f6671b88	169	Bus.write(_Address \| 0x01);
Suky	0:e177f6671b88	170	((unsigned char )&Temp+1)=Bus.read(1);
Suky	0:e177f6671b88	171	((unsigned char )&Temp)=Bus.read(0);
Suky	0:e177f6671b88	172	Bus.stop();
Suky	0:e177f6671b88	173
Suky	0:e177f6671b88	174	Temp>>=4;
Suky	0:e177f6671b88	175	Cal=Temp*0.0625;
Suky	0:e177f6671b88	176	if((0x0800&Temp)!=0x0000){
Suky	0:e177f6671b88	177	Cal-=128.0;
Suky	0:e177f6671b88	178	}
Suky	0:e177f6671b88	179
Suky	0:e177f6671b88	180	return(Cal);
Suky	0:e177f6671b88	181	}
Suky	0:e177f6671b88	182
Suky	0:e177f6671b88	183	float TMP175::fReadTemperatureTMP175(void){
Suky	0:e177f6671b88	184	unsigned short Temp;
Suky	0:e177f6671b88	185	float Cal;
Suky	0:e177f6671b88	186
Suky	0:e177f6671b88	187	Bus.start();
Suky	0:e177f6671b88	188	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	189	Bus.write(0x00);
Suky	0:e177f6671b88	190	Bus.start();
Suky	0:e177f6671b88	191	Bus.write(_Address \| 0x01);
Suky	0:e177f6671b88	192	((unsigned char )&Temp+1)=Bus.read(1);
Suky	0:e177f6671b88	193	((unsigned char )&Temp)=Bus.read(0);
Suky	0:e177f6671b88	194	Bus.stop();
Suky	0:e177f6671b88	195
Suky	0:e177f6671b88	196	Temp>>=(Rotar+4);
Suky	0:e177f6671b88	197	Cal=((float)Factor*(Temp&Mascara));
Suky	0:e177f6671b88	198	if(((~Mascara)&Temp)!=0x0000){
Suky	0:e177f6671b88	199	Cal-=128.0;
Suky	0:e177f6671b88	200	}
Suky	0:e177f6671b88	201
Suky	0:e177f6671b88	202	return(Cal);
Suky	0:e177f6671b88	203	}
Suky	0:e177f6671b88	204
Suky	0:e177f6671b88	205	// Only SHUTDOWN MODE
Suky	0:e177f6671b88	206	void TMP175::vStartSingleConversionTMP175(void){
Suky	0:e177f6671b88	207	unsigned char Temp;
Suky	0:e177f6671b88	208
Suky	0:e177f6671b88	209	Bus.start();
Suky	0:e177f6671b88	210	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	211	Bus.write(0x01);
Suky	0:e177f6671b88	212	Bus.start();
Suky	0:e177f6671b88	213	Bus.write(_Address \| 0x01);
Suky	0:e177f6671b88	214	Temp=Bus.read(0);
Suky	0:e177f6671b88	215	Bus.stop();
Suky	0:e177f6671b88	216
Suky	0:e177f6671b88	217	Bus.start();
Suky	0:e177f6671b88	218	Bus.write(_Address&0xFE);
Suky	0:e177f6671b88	219	Bus.write(0x01);
Suky	0:e177f6671b88	220	Bus.write(Temp\|0x80);
Suky	0:e177f6671b88	221	Bus.stop();
Suky	0:e177f6671b88	222	}
Suky	0:e177f6671b88	223
Suky	0:e177f6671b88	224	TMP175::operator float(){
Suky	0:e177f6671b88	225
Suky	0:e177f6671b88	226	return(fReadTemperatureTMP175());
Suky	0:e177f6671b88	227	}
Suky	0:e177f6671b88	228
Suky	0:e177f6671b88	229	bool TMP175::bReadPinAlertTMP175(void){
Suky	0:e177f6671b88	230
Suky	0:e177f6671b88	231	return(_PIN_ALERT);
Suky	0:e177f6671b88	232	}

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Type:	Library
Created:	02 Feb 2011
Imports:	92
Forks:	0
Commits:	1
Dependents:	1
Dependencies:	0
Followers:	3

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TMP175 / TMP75 Temperature Sensor

TMP175.h@0:e177f6671b88, 2011-02-02 (annotated)

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