Fabricio Emder / TMP75

libreria modificada del sensor TMP175 para el caso de este programa en particular.

TMP175.h@0:7a9b45bd5f22, 2015-05-23 (annotated)

Committer:
gchaves
Date:
Sat May 23 21:49:38 2015 +0000
Revision:
0:7a9b45bd5f22
se comentaron funciones inecesarias para nuestra aplicacion

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gchaves 0:7a9b45bd5f22 1 /*
gchaves 0:7a9b45bd5f22 2 \file TMP175.h
gchaves 0:7a9b45bd5f22 3 \version: 1.0
gchaves 0:7a9b45bd5f22 4
gchaves 0:7a9b45bd5f22 5 \brief Este fichero contiene funciones para control de TMP175/75
gchaves 0:7a9b45bd5f22 6
gchaves 0:7a9b45bd5f22 7 \web www.micros-designs.com.ar
gchaves 0:7a9b45bd5f22 8 \date 02/02/11
gchaves 0:7a9b45bd5f22 9
gchaves 0:7a9b45bd5f22 10 *- Version Log --------------------------------------------------------------*
gchaves 0:7a9b45bd5f22 11 * Fecha Autor Comentarios *
gchaves 0:7a9b45bd5f22 12 *----------------------------------------------------------------------------*
gchaves 0:7a9b45bd5f22 13 * 02/02/11 Suky Original *
gchaves 0:7a9b45bd5f22 14 *----------------------------------------------------------------------------*/
gchaves 0:7a9b45bd5f22 15 ///////////////////////////////////////////////////////////////////////////
gchaves 0:7a9b45bd5f22 16 //// ////
gchaves 0:7a9b45bd5f22 17 //// ////
gchaves 0:7a9b45bd5f22 18 //// (C) Copyright 2011 www.micros-designs.com.ar ////
gchaves 0:7a9b45bd5f22 19 //// Este c�digo puede ser usado, modificado y distribuido libremente ////
gchaves 0:7a9b45bd5f22 20 //// sin eliminar esta cabecera y sin garant�a de ning�n tipo. ////
gchaves 0:7a9b45bd5f22 21 //// ////
gchaves 0:7a9b45bd5f22 22 //// ////
gchaves 0:7a9b45bd5f22 23 ///////////////////////////////////////////////////////////////////////////
gchaves 0:7a9b45bd5f22 24 #include "mbed.h"
gchaves 0:7a9b45bd5f22 25
gchaves 0:7a9b45bd5f22 26
gchaves 0:7a9b45bd5f22 27 class TMP175{
gchaves 0:7a9b45bd5f22 28 public:
gchaves 0:7a9b45bd5f22 29 #define SHUTDOWN_MODE_OFF 0x00
gchaves 0:7a9b45bd5f22 30 #define SHUTDOWN_MODE_ON 0x01
gchaves 0:7a9b45bd5f22 31 #define COMPARATOR_MODE 0x00
gchaves 0:7a9b45bd5f22 32 #define INTERRUPT_MODE 0x02
gchaves 0:7a9b45bd5f22 33 #define POLARITY_0 0x00
gchaves 0:7a9b45bd5f22 34 #define POLARITY_1 0x04
gchaves 0:7a9b45bd5f22 35 #define FAULT_QUEUE_1 0x00
gchaves 0:7a9b45bd5f22 36 #define FAULT_QUEUE_2 0x08
gchaves 0:7a9b45bd5f22 37 #define FAULT_QUEUE_4 0x10
gchaves 0:7a9b45bd5f22 38 #define FAULT_QUEUE_6 0x18
gchaves 0:7a9b45bd5f22 39 #define RESOLUTION_9 0x00
gchaves 0:7a9b45bd5f22 40 #define RESOLUTION_10 0x20
gchaves 0:7a9b45bd5f22 41 #define RESOLUTION_11 0x40
gchaves 0:7a9b45bd5f22 42 #define RESOLUTION_12 0x60
gchaves 0:7a9b45bd5f22 43 #define ONE_SHOT 0x80
gchaves 0:7a9b45bd5f22 44 TMP175(PinName PIN_SDA, PinName PIN_SCL, PinName PIN_ALERT=NC);
gchaves 0:7a9b45bd5f22 45 void vSetConfigurationTMP175(unsigned char Config,unsigned char Address);
gchaves 0:7a9b45bd5f22 46 void vStartSingleConversionTMP175(void);
gchaves 0:7a9b45bd5f22 47 float fReadTemperatureTMP175(void);
gchaves 0:7a9b45bd5f22 48 void vSetTemperatureLowTMP175(float Value);
gchaves 0:7a9b45bd5f22 49 void vSetTemperatureHighTMP175(float Value);
gchaves 0:7a9b45bd5f22 50 float fReadTemperatureHighTMP175(void);
gchaves 0:7a9b45bd5f22 51 float fReadTemperatureLowTMP175(void);
gchaves 0:7a9b45bd5f22 52 bool bReadPinAlertTMP175(void);
gchaves 0:7a9b45bd5f22 53 #ifdef MBED_OPERATORS
gchaves 0:7a9b45bd5f22 54 operator float();
gchaves 0:7a9b45bd5f22 55 #endif
gchaves 0:7a9b45bd5f22 56 protected:
gchaves 0:7a9b45bd5f22 57 unsigned char _Address, Rotar;
gchaves 0:7a9b45bd5f22 58 float Factor;
gchaves 0:7a9b45bd5f22 59 unsigned short Mascara;
gchaves 0:7a9b45bd5f22 60 I2C Bus;
gchaves 0:7a9b45bd5f22 61 DigitalIn _PIN_ALERT;
gchaves 0:7a9b45bd5f22 62 };
gchaves 0:7a9b45bd5f22 63
gchaves 0:7a9b45bd5f22 64 TMP175::TMP175(PinName PIN_SDA, PinName PIN_SCL, PinName PIN_ALERT)
gchaves 0:7a9b45bd5f22 65 :Bus(PIN_SDA,PIN_SCL),_PIN_ALERT(PIN_ALERT){
gchaves 0:7a9b45bd5f22 66 }
gchaves 0:7a9b45bd5f22 67
gchaves 0:7a9b45bd5f22 68 void TMP175::vSetConfigurationTMP175(unsigned char Config,unsigned char Address){
gchaves 0:7a9b45bd5f22 69
gchaves 0:7a9b45bd5f22 70 _Address=Address<<1;
gchaves 0:7a9b45bd5f22 71 switch(Config&0x60){
gchaves 0:7a9b45bd5f22 72 case 0x00:
gchaves 0:7a9b45bd5f22 73 Factor=0.5;
gchaves 0:7a9b45bd5f22 74 Mascara=0x00FF;
gchaves 0:7a9b45bd5f22 75 Rotar=3;
gchaves 0:7a9b45bd5f22 76 break;
gchaves 0:7a9b45bd5f22 77 case 0x20:
gchaves 0:7a9b45bd5f22 78 Factor=0.25;
gchaves 0:7a9b45bd5f22 79 Mascara=0x01FF;
gchaves 0:7a9b45bd5f22 80 Rotar=2;
gchaves 0:7a9b45bd5f22 81 break;
gchaves 0:7a9b45bd5f22 82 case 0x40:
gchaves 0:7a9b45bd5f22 83 Factor=0.125;
gchaves 0:7a9b45bd5f22 84 Mascara=0x03FF;
gchaves 0:7a9b45bd5f22 85 Rotar=1;
gchaves 0:7a9b45bd5f22 86 break;
gchaves 0:7a9b45bd5f22 87 case 0x60:
gchaves 0:7a9b45bd5f22 88 Factor=0.0625;
gchaves 0:7a9b45bd5f22 89 Mascara=0x07FF;
gchaves 0:7a9b45bd5f22 90 Rotar=0;
gchaves 0:7a9b45bd5f22 91 break;
gchaves 0:7a9b45bd5f22 92 }
gchaves 0:7a9b45bd5f22 93
gchaves 0:7a9b45bd5f22 94 Bus.start();
gchaves 0:7a9b45bd5f22 95 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 96 Bus.write(0x01);
gchaves 0:7a9b45bd5f22 97 Bus.write(Config);
gchaves 0:7a9b45bd5f22 98 Bus.stop();
gchaves 0:7a9b45bd5f22 99 }
gchaves 0:7a9b45bd5f22 100
gchaves 0:7a9b45bd5f22 101 void TMP175::vSetTemperatureLowTMP175(float Value){
gchaves 0:7a9b45bd5f22 102 unsigned short Temp;
gchaves 0:7a9b45bd5f22 103
gchaves 0:7a9b45bd5f22 104 if(Value>=0.0){
gchaves 0:7a9b45bd5f22 105 Temp=Value/0.0625;
gchaves 0:7a9b45bd5f22 106 }else{
gchaves 0:7a9b45bd5f22 107 Temp=(Value+128.0)/0.0625;
gchaves 0:7a9b45bd5f22 108 //Temp!=0x0800;
gchaves 0:7a9b45bd5f22 109 }
gchaves 0:7a9b45bd5f22 110 Temp<<=4;
gchaves 0:7a9b45bd5f22 111
gchaves 0:7a9b45bd5f22 112 Bus.start();
gchaves 0:7a9b45bd5f22 113 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 114 Bus.write(0x02);
gchaves 0:7a9b45bd5f22 115 Bus.write(*((unsigned char *)&Temp+1));
gchaves 0:7a9b45bd5f22 116 Bus.write(*((unsigned char *)&Temp));
gchaves 0:7a9b45bd5f22 117 Bus.stop();
gchaves 0:7a9b45bd5f22 118 }
gchaves 0:7a9b45bd5f22 119
gchaves 0:7a9b45bd5f22 120 float TMP175::fReadTemperatureLowTMP175(void){
gchaves 0:7a9b45bd5f22 121 unsigned short Temp;
gchaves 0:7a9b45bd5f22 122 float Cal;
gchaves 0:7a9b45bd5f22 123
gchaves 0:7a9b45bd5f22 124 Bus.start();
gchaves 0:7a9b45bd5f22 125 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 126 Bus.write(0x02);
gchaves 0:7a9b45bd5f22 127 Bus.start();
gchaves 0:7a9b45bd5f22 128 Bus.write(_Address | 0x01);
gchaves 0:7a9b45bd5f22 129 *((unsigned char *)&Temp+1)=Bus.read(1);
gchaves 0:7a9b45bd5f22 130 *((unsigned char *)&Temp)=Bus.read(0);
gchaves 0:7a9b45bd5f22 131 Bus.stop();
gchaves 0:7a9b45bd5f22 132
gchaves 0:7a9b45bd5f22 133 Temp>>=4;
gchaves 0:7a9b45bd5f22 134 Cal=Temp*0.0625;
gchaves 0:7a9b45bd5f22 135 if((0x0800&Temp)!=0x0000){
gchaves 0:7a9b45bd5f22 136 Cal-=128.0;
gchaves 0:7a9b45bd5f22 137 }
gchaves 0:7a9b45bd5f22 138
gchaves 0:7a9b45bd5f22 139 return(Cal);
gchaves 0:7a9b45bd5f22 140 }
gchaves 0:7a9b45bd5f22 141
gchaves 0:7a9b45bd5f22 142 void TMP175::vSetTemperatureHighTMP175(float Value){
gchaves 0:7a9b45bd5f22 143 unsigned short Temp;
gchaves 0:7a9b45bd5f22 144
gchaves 0:7a9b45bd5f22 145 if(Value>=0.0){
gchaves 0:7a9b45bd5f22 146 Temp=Value/0.0625;
gchaves 0:7a9b45bd5f22 147 }else{
gchaves 0:7a9b45bd5f22 148 Temp=(Value+128.0)/0.0625;
gchaves 0:7a9b45bd5f22 149 //Temp!=0x0800;
gchaves 0:7a9b45bd5f22 150 }
gchaves 0:7a9b45bd5f22 151 Temp<<=4;
gchaves 0:7a9b45bd5f22 152
gchaves 0:7a9b45bd5f22 153 Bus.start();
gchaves 0:7a9b45bd5f22 154 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 155 Bus.write(0x03);
gchaves 0:7a9b45bd5f22 156 Bus.write(*((unsigned char *)&Temp+1));
gchaves 0:7a9b45bd5f22 157 Bus.write(*((unsigned char *)&Temp));
gchaves 0:7a9b45bd5f22 158 Bus.stop();
gchaves 0:7a9b45bd5f22 159 }
gchaves 0:7a9b45bd5f22 160
gchaves 0:7a9b45bd5f22 161 float TMP175::fReadTemperatureHighTMP175(void){
gchaves 0:7a9b45bd5f22 162 unsigned short Temp;
gchaves 0:7a9b45bd5f22 163 float Cal;
gchaves 0:7a9b45bd5f22 164
gchaves 0:7a9b45bd5f22 165 Bus.start();
gchaves 0:7a9b45bd5f22 166 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 167 Bus.write(0x03);
gchaves 0:7a9b45bd5f22 168 Bus.start();
gchaves 0:7a9b45bd5f22 169 Bus.write(_Address | 0x01);
gchaves 0:7a9b45bd5f22 170 *((unsigned char *)&Temp+1)=Bus.read(1);
gchaves 0:7a9b45bd5f22 171 *((unsigned char *)&Temp)=Bus.read(0);
gchaves 0:7a9b45bd5f22 172 Bus.stop();
gchaves 0:7a9b45bd5f22 173
gchaves 0:7a9b45bd5f22 174 Temp>>=4;
gchaves 0:7a9b45bd5f22 175 Cal=Temp*0.0625;
gchaves 0:7a9b45bd5f22 176 if((0x0800&Temp)!=0x0000){
gchaves 0:7a9b45bd5f22 177 Cal-=128.0;
gchaves 0:7a9b45bd5f22 178 }
gchaves 0:7a9b45bd5f22 179
gchaves 0:7a9b45bd5f22 180 return(Cal);
gchaves 0:7a9b45bd5f22 181 }
gchaves 0:7a9b45bd5f22 182
gchaves 0:7a9b45bd5f22 183 float TMP175::fReadTemperatureTMP175(void){
gchaves 0:7a9b45bd5f22 184 unsigned short Temp;
gchaves 0:7a9b45bd5f22 185 float Cal;
gchaves 0:7a9b45bd5f22 186
gchaves 0:7a9b45bd5f22 187 Bus.start();
gchaves 0:7a9b45bd5f22 188 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 189 Bus.write(0x00);
gchaves 0:7a9b45bd5f22 190 Bus.start();
gchaves 0:7a9b45bd5f22 191 Bus.write(_Address | 0x01);
gchaves 0:7a9b45bd5f22 192 *((unsigned char *)&Temp+1)=Bus.read(1);
gchaves 0:7a9b45bd5f22 193 *((unsigned char *)&Temp)=Bus.read(0);
gchaves 0:7a9b45bd5f22 194 Bus.stop();
gchaves 0:7a9b45bd5f22 195
gchaves 0:7a9b45bd5f22 196 Temp>>=(Rotar+4);
gchaves 0:7a9b45bd5f22 197 Cal=((float)Factor*(Temp&Mascara));
gchaves 0:7a9b45bd5f22 198 if(((~Mascara)&Temp)!=0x0000){
gchaves 0:7a9b45bd5f22 199 Cal-=128.0;
gchaves 0:7a9b45bd5f22 200 }
gchaves 0:7a9b45bd5f22 201
gchaves 0:7a9b45bd5f22 202 return(Cal);
gchaves 0:7a9b45bd5f22 203 }
gchaves 0:7a9b45bd5f22 204
gchaves 0:7a9b45bd5f22 205 // Only SHUTDOWN MODE
gchaves 0:7a9b45bd5f22 206 void TMP175::vStartSingleConversionTMP175(void){
gchaves 0:7a9b45bd5f22 207 unsigned char Temp;
gchaves 0:7a9b45bd5f22 208
gchaves 0:7a9b45bd5f22 209 Bus.start();
gchaves 0:7a9b45bd5f22 210 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 211 Bus.write(0x01);
gchaves 0:7a9b45bd5f22 212 Bus.start();
gchaves 0:7a9b45bd5f22 213 Bus.write(_Address | 0x01);
gchaves 0:7a9b45bd5f22 214 Temp=Bus.read(0);
gchaves 0:7a9b45bd5f22 215 Bus.stop();
gchaves 0:7a9b45bd5f22 216
gchaves 0:7a9b45bd5f22 217 Bus.start();
gchaves 0:7a9b45bd5f22 218 Bus.write(_Address&0xFE);
gchaves 0:7a9b45bd5f22 219 Bus.write(0x01);
gchaves 0:7a9b45bd5f22 220 Bus.write(Temp|0x80);
gchaves 0:7a9b45bd5f22 221 Bus.stop();
gchaves 0:7a9b45bd5f22 222 }
gchaves 0:7a9b45bd5f22 223
gchaves 0:7a9b45bd5f22 224 TMP175::operator float(){
gchaves 0:7a9b45bd5f22 225
gchaves 0:7a9b45bd5f22 226 return(fReadTemperatureTMP175());
gchaves 0:7a9b45bd5f22 227 }
gchaves 0:7a9b45bd5f22 228
gchaves 0:7a9b45bd5f22 229 bool TMP175::bReadPinAlertTMP175(void){
gchaves 0:7a9b45bd5f22 230
gchaves 0:7a9b45bd5f22 231 return(_PIN_ALERT);
gchaves 0:7a9b45bd5f22 232 }