wimbeaumont Project / AT30TSE75x

code to access the AT30TSE75x temperature and E-prom device

Dependents:   AT30TSE752TST AT30TSE752TST2

AT30TSE75x.cpp@6:cc295531021e, 2017-03-30 (annotated)

Committer:
wbeaumont
Date:
Thu Mar 30 21:54:21 2017 +0000
Revision:
6:cc295531021e
Parent:
5:c783703a9e28 
corrected negative temperature calculation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wbeaumont 4:8189e5cb4459 1
wbeaumont 0:7cb648bc5c2a 2 #include "AT30TSE75x.h"
wbeaumont 0:7cb648bc5c2a 3
wbeaumont 0:7cb648bc5c2a 4 /*
wbeaumont 0:7cb648bc5c2a 5 * info see AT30SE75x.h
wbeaumont 0:7cb648bc5c2a 6 * (C) Wim Beaumont Universiteit Antwerpen 2017
wbeaumont 0:7cb648bc5c2a 7
wbeaumont 0:7cb648bc5c2a 8 * some parts of the code are copied
wbeaumont 0:7cb648bc5c2a 9 * from https://developer.mbed.org/users/akhilpanayam/code/AT30TSE75X/file/0e430cef393b/AT30TSE75X.h
wbeaumont 4:8189e5cb4459 10 * ver 0.91 removed mbed.h should not be there platform depending
wbeaumont 0:7cb648bc5c2a 11 */
wbeaumont 0:7cb648bc5c2a 12
wbeaumont 0:7cb648bc5c2a 13
wbeaumont 6:cc295531021e 14 #define VERSION_AT30TSE75x_SRC "0.95"
wbeaumont 2:91836ad02096 15
wbeaumont 2:91836ad02096 16 #define RegisterLocDownEnable 0 // set this to one to enable permanent NV register locking , never tested with 1
wbeaumont 0:7cb648bc5c2a 17
wbeaumont 0:7cb648bc5c2a 18 #define AT30TSE75X_ADD_TEMP 0x48 /*Temperature Sensor: 0b1001xxx */
wbeaumont 0:7cb648bc5c2a 19 #define AT30TSE75X_ADD_EEPROM 0x50 /*EEPROM: 0b1010xxx */
wbeaumont 1:c0db18a0c56b 20 #define AT30TSE75X_FIX_EEPROM 0x62 /*fix EEPROM 0b01100010 ( last 0 = W) */
wbeaumont 0:7cb648bc5c2a 21 #define AT30TSE752 1
wbeaumont 0:7cb648bc5c2a 22 #define AT30TSE754 2
wbeaumont 0:7cb648bc5c2a 23 #define AT30TSE758 3
wbeaumont 0:7cb648bc5c2a 24
wbeaumont 0:7cb648bc5c2a 25 #define AT30TSE_CONFIG_RES_9_bit 0
wbeaumont 0:7cb648bc5c2a 26 #define AT30TSE_CONFIG_RES_10_bit 1
wbeaumont 0:7cb648bc5c2a 27 #define AT30TSE_CONFIG_RES_11_bit 2
wbeaumont 0:7cb648bc5c2a 28 #define AT30TSE_CONFIG_RES_12_bit 3
wbeaumont 0:7cb648bc5c2a 29
wbeaumont 0:7cb648bc5c2a 30
wbeaumont 0:7cb648bc5c2a 31 #define AT30TSE_TEMPERATURE_REG_SIZE 2
wbeaumont 0:7cb648bc5c2a 32
wbeaumont 2:91836ad02096 33 #define CopyNV2VolReg 0xB8
wbeaumont 2:91836ad02096 34 #define CopyVolV2NVReg 0x48
wbeaumont 0:7cb648bc5c2a 35
wbeaumont 0:7cb648bc5c2a 36 #define TReg 0x0 // 16 bits
wbeaumont 0:7cb648bc5c2a 37 #define ConfigReg 0x1 // 16 bits
wbeaumont 0:7cb648bc5c2a 38 #define TLowReg 0x2 // 16 bits
wbeaumont 0:7cb648bc5c2a 39 #define THighReg 0x3 // 16 bits
wbeaumont 0:7cb648bc5c2a 40 #define ConfigRegNV 0x11 // 16 bits
wbeaumont 0:7cb648bc5c2a 41 #define TLowRegNV 0x12 // 16 bits
wbeaumont 0:7cb648bc5c2a 42 #define THighRegNV 0x13 // 16 bits
wbeaumont 0:7cb648bc5c2a 43
wbeaumont 2:91836ad02096 44 /* for no all fixed values ..5432 1098 7654 3210
wbeaumont 2:91836ad02096 45 15 normal : 1 ONSHOT 0b1xxx xxxx xxxx xxxx
wbeaumont 2:91836ad02096 46 14:13 12 bit :11 RESOLUTION 0b1RRx xxxx xxxx xxxx
wbeaumont 2:91836ad02096 47 12:11 1 fault:00 FaultTQ 0b111F Fxxx xxxx xxxx
wbeaumont 2:91836ad02096 48 10 0 act low AlertPol 0b1110 0Axx xxxx xxxx
wbeaumont 2:91836ad02096 49 9 0 cmp mode 0b1110 00Cx xxxx xxxx
wbeaumont 2:91836ad02096 50 8 0 temp act SHUTDOWNM 0b1110 000S xxxx xxxx
wbeaumont 2:91836ad02096 51 7:1 dont care 0b1110 0000 0000 000x
wbeaumont 2:91836ad02096 52 0 read only 0b1110 0000 0000 0000
wbeaumont 2:91836ad02096 53 => 0xE0
wbeaumont 2:91836ad02096 54 */
wbeaumont 2:91836ad02096 55
wbeaumont 2:91836ad02096 56 // config
wbeaumont 2:91836ad02096 57 #define ONSHOT_BM 0x8000
wbeaumont 2:91836ad02096 58 #define RESOLUTION_BM 0x6000
wbeaumont 2:91836ad02096 59 #define FaultTQ_BM 0x1800
wbeaumont 2:91836ad02096 60 #define ALERTPOL_BM 0x0400
wbeaumont 2:91836ad02096 61 #define AlarmMode_BM 0x0200
wbeaumont 2:91836ad02096 62 #define SHUTDOWN_BM 0x0100
wbeaumont 2:91836ad02096 63 #define NVREGBUSY_BM 0x0001
wbeaumont 2:91836ad02096 64 #define REGLOCKDOWN_BM 0x0004
wbeaumont 2:91836ad02096 65 #define REGLOCK_BM 0x0002
wbeaumont 2:91836ad02096 66
wbeaumont 2:91836ad02096 67
wbeaumont 0:7cb648bc5c2a 68 AT30TSE75x::AT30TSE75x (I2CInterface* i2cinterface, int device_address_bits,int eepromsize):
wbeaumont 0:7cb648bc5c2a 69 getVersion( VERSION_AT30TSE75x_HDR,VERSION_AT30TSE75x_SRC, __TIME__, __DATE__),_i2c(i2cinterface) {
wbeaumont 0:7cb648bc5c2a 70 Taddr= ((device_address_bits & 0x7) | AT30TSE75X_ADD_TEMP ) & 0x7F; Taddr=Taddr<<1;
wbeaumont 0:7cb648bc5c2a 71 Eaddr= ((device_address_bits & 0x7) | AT30TSE75X_ADD_EEPROM ) & 0x7F; Eaddr=Eaddr<<1;
wbeaumont 0:7cb648bc5c2a 72
wbeaumont 0:7cb648bc5c2a 73 Esize=1;
wbeaumont 0:7cb648bc5c2a 74 if( eepromsize ==4 ) Esize=2; if( eepromsize ==8) Esize=3;
wbeaumont 2:91836ad02096 75
wbeaumont 2:91836ad02096 76 read_config(initstatus);
wbeaumont 2:91836ad02096 77 read_config(initstatus,1);
wbeaumont 2:91836ad02096 78
wbeaumont 0:7cb648bc5c2a 79 }
wbeaumont 0:7cb648bc5c2a 80
wbeaumont 0:7cb648bc5c2a 81
wbeaumont 2:91836ad02096 82 uint16_t AT30TSE75x::set_temperature(float temperature ) {
wbeaumont 2:91836ad02096 83 uint16_t td;
wbeaumont 2:91836ad02096 84 uint16_t sign= 0x8000;
wbeaumont 6:cc295531021e 85 if ( temperature < 0) { temperature *= -1; }
wbeaumont 6:cc295531021e 86 else { sign=0; }
wbeaumont 2:91836ad02096 87 // this function is only used to calculate limits so we don't care
wbeaumont 2:91836ad02096 88 // about resolution settings, all is 12 bits
wbeaumont 2:91836ad02096 89 temperature=temperature *16;
wbeaumont 2:91836ad02096 90 td=(int)temperature;
wbeaumont 6:cc295531021e 91 if (sign){ td = ~td; td=td+1;}
wbeaumont 2:91836ad02096 92 td= td<<4;
wbeaumont 2:91836ad02096 93 td=td|sign;
wbeaumont 2:91836ad02096 94 return td;
wbeaumont 2:91836ad02096 95
wbeaumont 2:91836ad02096 96 }
wbeaumont 0:7cb648bc5c2a 97
wbeaumont 2:91836ad02096 98
wbeaumont 2:91836ad02096 99 float AT30TSE75x::convert_temperature( uint16_t datain) {
wbeaumont 2:91836ad02096 100 uint16_t data=datain;
wbeaumont 2:91836ad02096 101 float temperature;
wbeaumont 6:cc295531021e 102 float sign = 1;
wbeaumont 0:7cb648bc5c2a 103
wbeaumont 0:7cb648bc5c2a 104 /* Check if negative and clear sign bit. */
wbeaumont 0:7cb648bc5c2a 105 if (data & (1 << 15)) {
wbeaumont 0:7cb648bc5c2a 106 sign *= -1;
wbeaumont 6:cc295531021e 107 data = ~data;
wbeaumont 6:cc295531021e 108 data +=1;
wbeaumont 0:7cb648bc5c2a 109 }
wbeaumont 0:7cb648bc5c2a 110
wbeaumont 0:7cb648bc5c2a 111 /* Convert to temperature. */
wbeaumont 2:91836ad02096 112 switch (Creg.resolution) {
wbeaumont 0:7cb648bc5c2a 113 case AT30TSE_CONFIG_RES_9_bit:
wbeaumont 0:7cb648bc5c2a 114 data = (data >> 7);
wbeaumont 0:7cb648bc5c2a 115 (temperature) = data * sign * 0.5;
wbeaumont 0:7cb648bc5c2a 116 break;
wbeaumont 0:7cb648bc5c2a 117
wbeaumont 0:7cb648bc5c2a 118 case AT30TSE_CONFIG_RES_10_bit:
wbeaumont 0:7cb648bc5c2a 119 data = (data >> 6);
wbeaumont 0:7cb648bc5c2a 120 (temperature) = data * sign * 0.25;
wbeaumont 0:7cb648bc5c2a 121 break;
wbeaumont 0:7cb648bc5c2a 122
wbeaumont 0:7cb648bc5c2a 123 case AT30TSE_CONFIG_RES_11_bit:
wbeaumont 0:7cb648bc5c2a 124 data = (data >> 5);
wbeaumont 0:7cb648bc5c2a 125 (temperature) = data * sign * 0.125;
wbeaumont 0:7cb648bc5c2a 126 break;
wbeaumont 0:7cb648bc5c2a 127
wbeaumont 0:7cb648bc5c2a 128 case AT30TSE_CONFIG_RES_12_bit:
wbeaumont 0:7cb648bc5c2a 129 data = (data >> 4);
wbeaumont 0:7cb648bc5c2a 130 (temperature) = data * sign * 0.0625;
wbeaumont 0:7cb648bc5c2a 131 break;
wbeaumont 0:7cb648bc5c2a 132
wbeaumont 0:7cb648bc5c2a 133 default:
wbeaumont 0:7cb648bc5c2a 134 break;
wbeaumont 0:7cb648bc5c2a 135 }
wbeaumont 0:7cb648bc5c2a 136 return temperature;
wbeaumont 2:91836ad02096 137
wbeaumont 2:91836ad02096 138 }
wbeaumont 3:5944e2454e42 139
wbeaumont 2:91836ad02096 140 float AT30TSE75x::get_temperature(int &error) {
wbeaumont 3:5944e2454e42 141 return convert_temperature( get_temperature_register(error));
wbeaumont 3:5944e2454e42 142 }
wbeaumont 3:5944e2454e42 143
wbeaumont 3:5944e2454e42 144 uint16_t AT30TSE75x::get_temperature_register(int &error){
wbeaumont 2:91836ad02096 145
wbeaumont 2:91836ad02096 146 uint16_t data;
wbeaumont 2:91836ad02096 147 int locerr=-200;
wbeaumont 2:91836ad02096 148 buffer[0] = 0;
wbeaumont 2:91836ad02096 149 buffer[1] = 0;
wbeaumont 2:91836ad02096 150
wbeaumont 2:91836ad02096 151 locerr=_i2c->read(Taddr,(char *)buffer,AT30TSE_TEMPERATURE_REG_SIZE,false);
wbeaumont 2:91836ad02096 152 data = (buffer[0] << 8) | buffer[1];
wbeaumont 2:91836ad02096 153
wbeaumont 2:91836ad02096 154 error=locerr; // pointer !=0
wbeaumont 3:5944e2454e42 155 return data;
wbeaumont 0:7cb648bc5c2a 156 }
wbeaumont 0:7cb648bc5c2a 157
wbeaumont 0:7cb648bc5c2a 158
wbeaumont 6:cc295531021e 159 void AT30TSE75x::set_TLowLimitRegister(int &error , float temperture, int Nonvolatile) {
wbeaumont 2:91836ad02096 160 uint8_t reg = TLowReg ;
wbeaumont 2:91836ad02096 161 if ( Nonvolatile) reg = TLowRegNV;
wbeaumont 2:91836ad02096 162 set_LimitRegister(error ,reg , temperture, Nonvolatile);
wbeaumont 2:91836ad02096 163 }
wbeaumont 2:91836ad02096 164
wbeaumont 2:91836ad02096 165 void AT30TSE75x::set_THighLimitRegister(int &error , float temperture, int Nonvolatile) {
wbeaumont 2:91836ad02096 166 uint8_t reg = THighReg ;
wbeaumont 2:91836ad02096 167 if ( Nonvolatile) reg = THighRegNV;
wbeaumont 2:91836ad02096 168 set_LimitRegister(error ,reg , temperture, Nonvolatile);
wbeaumont 2:91836ad02096 169 }
wbeaumont 2:91836ad02096 170 void AT30TSE75x::set_LimitRegister(int &error ,uint8_t reg ,float temperature, int Nonvolatile) {
wbeaumont 2:91836ad02096 171 int locerr;
wbeaumont 2:91836ad02096 172 if( Nonvolatile && CregNV.RegisterLockDown ) { error=43; return ;}
wbeaumont 2:91836ad02096 173 if( CregNV.RegisterLock) { error=44; return; }
wbeaumont 2:91836ad02096 174 buffer[0]= reg;
wbeaumont 2:91836ad02096 175 uint16_t td=set_temperature(temperature);
wbeaumont 6:cc295531021e 176 uint16_t td_low= td & 0xFF;
wbeaumont 2:91836ad02096 177 buffer[2] = (uint8_t) td_low;
wbeaumont 6:cc295531021e 178 td = td >> 8; td= td & 0xFF;
wbeaumont 2:91836ad02096 179 buffer[1] = (uint8_t) td;
wbeaumont 2:91836ad02096 180 locerr=_i2c->write(Taddr,(char *)buffer,3,false);
wbeaumont 2:91836ad02096 181 buffer[0]= TReg;
wbeaumont 2:91836ad02096 182 locerr= locerr<<2;
wbeaumont 2:91836ad02096 183 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // make sure temp read reg is active again
wbeaumont 2:91836ad02096 184 error= locerr;
wbeaumont 2:91836ad02096 185 }
wbeaumont 2:91836ad02096 186
wbeaumont 5:c783703a9e28 187 float AT30TSE75x::get_THighLimitRegister(int &error , int Nonvolatile) {
wbeaumont 2:91836ad02096 188 uint8_t reg = THighReg ;
wbeaumont 2:91836ad02096 189 if ( Nonvolatile) reg = THighRegNV;
wbeaumont 2:91836ad02096 190 return get_LimitRegister(error ,reg , Nonvolatile);
wbeaumont 2:91836ad02096 191 }
wbeaumont 2:91836ad02096 192
wbeaumont 5:c783703a9e28 193 float AT30TSE75x::get_TLowLimitRegister(int &error , int Nonvolatile) {
wbeaumont 2:91836ad02096 194 uint8_t reg = TLowReg ;
wbeaumont 2:91836ad02096 195 if ( Nonvolatile) reg = TLowRegNV;
wbeaumont 2:91836ad02096 196 return get_LimitRegister(error ,reg , Nonvolatile);
wbeaumont 2:91836ad02096 197 }
wbeaumont 2:91836ad02096 198
wbeaumont 2:91836ad02096 199 float AT30TSE75x::get_LimitRegister(int &error ,uint8_t reg , int Nonvolatile) {
wbeaumont 2:91836ad02096 200 int locerr;
wbeaumont 2:91836ad02096 201
wbeaumont 2:91836ad02096 202 buffer[0]= reg;
wbeaumont 2:91836ad02096 203 locerr=_i2c->write(Taddr,(char *)buffer,1,false); // set reg addres to read
wbeaumont 2:91836ad02096 204 error = locerr<<2;
wbeaumont 2:91836ad02096 205 locerr = _i2c->read(Taddr,(char *)buffer,AT30TSE_TEMPERATURE_REG_SIZE,false);
wbeaumont 2:91836ad02096 206 uint16_t data = (buffer[0] << 8) | buffer[1];
wbeaumont 2:91836ad02096 207 buffer[0]= TReg;
wbeaumont 2:91836ad02096 208 locerr= locerr<<2;
wbeaumont 2:91836ad02096 209 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // make sure temp read reg is active again
wbeaumont 2:91836ad02096 210 error= locerr;
wbeaumont 2:91836ad02096 211 return convert_temperature( data);
wbeaumont 2:91836ad02096 212 }
wbeaumont 2:91836ad02096 213
wbeaumont 2:91836ad02096 214 void AT30TSE75x::CopyNonVolatile2VolatileRegisters( int &error) {
wbeaumont 2:91836ad02096 215 if ( CregNV.RegisterLock ) { error=43; return ;}
wbeaumont 2:91836ad02096 216 if ( CregNV.RegisterLockDown ) { error=44; return ;}
wbeaumont 2:91836ad02096 217 CopyRegisters( error,CopyNV2VolReg);
wbeaumont 2:91836ad02096 218 }
wbeaumont 2:91836ad02096 219
wbeaumont 2:91836ad02096 220 void AT30TSE75x::CopyVolatile2NoneVolatileRegisters( int &error) {
wbeaumont 2:91836ad02096 221 if ( CregNV.RegisterLock ) { error=43; return ;}
wbeaumont 2:91836ad02096 222 CopyRegisters( error, CopyVolV2NVReg);
wbeaumont 2:91836ad02096 223 }
wbeaumont 2:91836ad02096 224
wbeaumont 2:91836ad02096 225 void AT30TSE75x::CopyRegisters( int &error , uint8_t reg) {
wbeaumont 2:91836ad02096 226 int locerr;
wbeaumont 2:91836ad02096 227 bool busy=true;
wbeaumont 2:91836ad02096 228 int lc=3;
wbeaumont 2:91836ad02096 229 while ( busy && lc--) {
wbeaumont 2:91836ad02096 230 (void) read_config(locerr,0);
wbeaumont 2:91836ad02096 231 if ( locerr ) { error =locerr ; return;}
wbeaumont 2:91836ad02096 232 busy =Creg.NVregBusy;
wbeaumont 4:8189e5cb4459 233 if(busy) _i2c->wait_for_ms(100);
wbeaumont 2:91836ad02096 234 }
wbeaumont 2:91836ad02096 235 if ( busy ) { error =22; return ;}
wbeaumont 2:91836ad02096 236
wbeaumont 2:91836ad02096 237 buffer[0]= reg;
wbeaumont 2:91836ad02096 238 locerr=_i2c->write(Taddr,(char *)buffer,1,false);
wbeaumont 2:91836ad02096 239 // not sure if this is needed
wbeaumont 2:91836ad02096 240 buffer[0]= TReg;
wbeaumont 2:91836ad02096 241 locerr= locerr<<2;
wbeaumont 2:91836ad02096 242 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // make sure temp read reg is active again
wbeaumont 2:91836ad02096 243 error= locerr;
wbeaumont 2:91836ad02096 244 }
wbeaumont 2:91836ad02096 245
wbeaumont 2:91836ad02096 246
wbeaumont 2:91836ad02096 247 uint16_t AT30TSE75x::read_config(int &error, int Nonvolatile ) {
wbeaumont 0:7cb648bc5c2a 248 uint16_t data;
wbeaumont 2:91836ad02096 249 uint16_t td;
wbeaumont 0:7cb648bc5c2a 250 int locerr;
wbeaumont 2:91836ad02096 251 if ( Nonvolatile) buffer[0]= ConfigRegNV; else buffer[0]= ConfigReg;
wbeaumont 0:7cb648bc5c2a 252 locerr=_i2c->write(Taddr,(char *)buffer,1,false);
wbeaumont 0:7cb648bc5c2a 253 locerr= locerr<<2;
wbeaumont 0:7cb648bc5c2a 254 locerr|=_i2c->read(Taddr,(char *)buffer,AT30TSE_TEMPERATURE_REG_SIZE,false);
wbeaumont 0:7cb648bc5c2a 255 locerr= locerr<<2;
wbeaumont 0:7cb648bc5c2a 256 data = (buffer[0] << 8) | buffer[1];
wbeaumont 0:7cb648bc5c2a 257 buffer[0]= TReg;
wbeaumont 2:91836ad02096 258 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // set back to read Treg
wbeaumont 2:91836ad02096 259 error=locerr;
wbeaumont 2:91836ad02096 260 if ( locerr == 0) {
wbeaumont 2:91836ad02096 261 struct configreg *lcreg;
wbeaumont 2:91836ad02096 262 if( Nonvolatile) lcreg =&CregNV; else lcreg =&Creg;
wbeaumont 2:91836ad02096 263 lcreg->oneshot =bool ( data & ONSHOT_BM); // should be 0 when reading
wbeaumont 2:91836ad02096 264 td = data & RESOLUTION_BM ; td = td >> 13; lcreg->resolution =td;
wbeaumont 2:91836ad02096 265 td = data & FaultTQ_BM ; td = td >> 11; lcreg->faultTolQueue=td;
wbeaumont 2:91836ad02096 266 lcreg->alertpol =bool ( data & ALERTPOL_BM);
wbeaumont 2:91836ad02096 267 lcreg->alarmMode =bool ( data & AlarmMode_BM);
wbeaumont 2:91836ad02096 268 lcreg->shutdownMode =bool ( data & SHUTDOWN_BM);
wbeaumont 2:91836ad02096 269 lcreg->RegisterLockDown =bool ( data & REGLOCKDOWN_BM);
wbeaumont 2:91836ad02096 270 lcreg->RegisterLock =bool ( data & REGLOCK_BM);
wbeaumont 2:91836ad02096 271 lcreg->NVregBusy =bool ( data & NVREGBUSY_BM);
wbeaumont 2:91836ad02096 272 }
wbeaumont 0:7cb648bc5c2a 273 return (int)data;
wbeaumont 0:7cb648bc5c2a 274 }
wbeaumont 0:7cb648bc5c2a 275
wbeaumont 0:7cb648bc5c2a 276
wbeaumont 2:91836ad02096 277 int AT30TSE75x::get_NonevolatileBussy(int &error){
wbeaumont 2:91836ad02096 278 uint16_t data= read_config(error, 0 ) ;
wbeaumont 2:91836ad02096 279 return (int) Creg.NVregBusy;
wbeaumont 2:91836ad02096 280 }
wbeaumont 0:7cb648bc5c2a 281
wbeaumont 2:91836ad02096 282 void AT30TSE75x::set_resolution(int resolution , int &error, int Nonvolatile,bool write, bool update ){
wbeaumont 2:91836ad02096 283 int locerr;
wbeaumont 2:91836ad02096 284 if( resolution ==12 ) resolution = AT30TSE_CONFIG_RES_12_bit;
wbeaumont 2:91836ad02096 285 if( resolution ==11 ) resolution = AT30TSE_CONFIG_RES_11_bit;
wbeaumont 2:91836ad02096 286 if( resolution ==10 ) resolution = AT30TSE_CONFIG_RES_10_bit;
wbeaumont 2:91836ad02096 287 if( resolution ==9 ) resolution = AT30TSE_CONFIG_RES_9_bit;
wbeaumont 2:91836ad02096 288 if ( resolution >=0 && resolution <=3 ) {
wbeaumont 2:91836ad02096 289 if ( update ) read_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 290 error=locerr<<2;
wbeaumont 2:91836ad02096 291 if( Nonvolatile) CregNV.resolution=resolution; else Creg.resolution=resolution;
wbeaumont 2:91836ad02096 292 if(write ) set_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 293 error |= locerr;
wbeaumont 2:91836ad02096 294 }
wbeaumont 2:91836ad02096 295 error=36; // invalid resolution
wbeaumont 2:91836ad02096 296 }
wbeaumont 2:91836ad02096 297
wbeaumont 2:91836ad02096 298 void AT30TSE75x::set_FaultTollerantQueue(int ftq, int &error, int Nonvolatile, bool write, bool update ){
wbeaumont 2:91836ad02096 299 int locerr;
wbeaumont 2:91836ad02096 300 if ( ftq >=0 && ftq <=3 ) {
wbeaumont 2:91836ad02096 301 if ( update ) read_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 302 error=locerr<<2;
wbeaumont 2:91836ad02096 303 if( Nonvolatile) CregNV.faultTolQueue=ftq; else Creg.faultTolQueue=ftq;
wbeaumont 2:91836ad02096 304 if(write ) set_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 305 error |= locerr;
wbeaumont 2:91836ad02096 306 }
wbeaumont 2:91836ad02096 307 error=36; // invalid value
wbeaumont 2:91836ad02096 308 }
wbeaumont 2:91836ad02096 309
wbeaumont 2:91836ad02096 310
wbeaumont 2:91836ad02096 311 void AT30TSE75x::set_AlertPinPolarity(int pol, int &error, int Nonvolatile,bool write, bool update ){
wbeaumont 2:91836ad02096 312 int locerr;
wbeaumont 2:91836ad02096 313 bool mode=(bool) pol;
wbeaumont 2:91836ad02096 314 if ( update ) read_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 315 error=locerr<<2;
wbeaumont 2:91836ad02096 316 if( Nonvolatile) CregNV.alertpol=mode; else Creg.alertpol=mode;
wbeaumont 2:91836ad02096 317 if(write ) set_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 318 error |= locerr;
wbeaumont 2:91836ad02096 319 }
wbeaumont 2:91836ad02096 320
wbeaumont 2:91836ad02096 321 void AT30TSE75x::set_AlarmThermostateMode(int modein, int &error, int Nonvolatile,bool write, bool update ){
wbeaumont 2:91836ad02096 322 int locerr;
wbeaumont 2:91836ad02096 323 bool mode=(bool) modein;
wbeaumont 2:91836ad02096 324 if ( update ) read_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 325 error=locerr<<2;
wbeaumont 2:91836ad02096 326 if( Nonvolatile) CregNV.alarmMode=mode; else Creg.alarmMode=mode;
wbeaumont 2:91836ad02096 327 if(write ) set_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 328 error |= locerr;
wbeaumont 2:91836ad02096 329 }
wbeaumont 2:91836ad02096 330
wbeaumont 2:91836ad02096 331
wbeaumont 2:91836ad02096 332 void AT30TSE75x::set_ShutdownMode(int modein, int &error, int Nonvolatile,bool write, bool update ){
wbeaumont 2:91836ad02096 333 int locerr;
wbeaumont 2:91836ad02096 334 bool mode=(bool) modein;
wbeaumont 2:91836ad02096 335 if ( update ) read_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 336 error=locerr<<2;
wbeaumont 2:91836ad02096 337 if( Nonvolatile) CregNV.shutdownMode=mode; else Creg.shutdownMode=mode;
wbeaumont 2:91836ad02096 338 if(write ) set_config(locerr, Nonvolatile ) ;
wbeaumont 2:91836ad02096 339 error |= locerr;
wbeaumont 2:91836ad02096 340 }
wbeaumont 2:91836ad02096 341 void AT30TSE75x::set_FaultTollerantQueue(char nrfaults, int &error, int Nonvolatile, bool write, bool update ){
wbeaumont 2:91836ad02096 342 int ftq=7;
wbeaumont 2:91836ad02096 343 if ( nrfaults == '1') ftq=0;
wbeaumont 2:91836ad02096 344 if ( nrfaults == '2') ftq=1;
wbeaumont 2:91836ad02096 345 if ( nrfaults == '4') ftq=2;
wbeaumont 2:91836ad02096 346 if ( nrfaults == '6') ftq=3;
wbeaumont 2:91836ad02096 347 set_FaultTollerantQueue( ftq,error, Nonvolatile, write, update);
wbeaumont 2:91836ad02096 348 }
wbeaumont 2:91836ad02096 349
wbeaumont 2:91836ad02096 350 void AT30TSE75x::activate_oneshot(int &error ){
wbeaumont 2:91836ad02096 351 int locerr;
wbeaumont 2:91836ad02096 352 buffer[0]= ConfigReg;
wbeaumont 2:91836ad02096 353 locerr=_i2c->write(Taddr,(char *)buffer,1,false);
wbeaumont 2:91836ad02096 354 locerr= locerr<<2;
wbeaumont 2:91836ad02096 355 locerr|=_i2c->read(Taddr,(char *)buffer,AT30TSE_TEMPERATURE_REG_SIZE,false);
wbeaumont 2:91836ad02096 356 locerr= locerr<<2;
wbeaumont 2:91836ad02096 357 buffer[0]= ConfigReg;
wbeaumont 2:91836ad02096 358 buffer[1] = 0x80 ; //set once shot MSByte
wbeaumont 2:91836ad02096 359 buffer[2] = 0 ; // volataille
wbeaumont 0:7cb648bc5c2a 360 locerr=_i2c->write(Taddr,(char *)buffer,3,false);
wbeaumont 0:7cb648bc5c2a 361 buffer[0]= TReg;
wbeaumont 2:91836ad02096 362 locerr= locerr<<2;
wbeaumont 0:7cb648bc5c2a 363 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // make sure temp read reg is active again
wbeaumont 2:91836ad02096 364 error=locerr;
wbeaumont 2:91836ad02096 365 }
wbeaumont 2:91836ad02096 366
wbeaumont 2:91836ad02096 367 void AT30TSE75x::set_RegisterLock (int &error, int lock ){
wbeaumont 2:91836ad02096 368 int locerr;
wbeaumont 2:91836ad02096 369 (void)read_config(locerr,1 );
wbeaumont 2:91836ad02096 370 error= locerr<<2;
wbeaumont 2:91836ad02096 371 CregNV.RegisterLock =lock;
wbeaumont 2:91836ad02096 372 set_config(locerr,1 );
wbeaumont 2:91836ad02096 373 error |= locerr;
wbeaumont 2:91836ad02096 374 }
wbeaumont 2:91836ad02096 375
wbeaumont 2:91836ad02096 376 void AT30TSE75x::set_RegisterLockdown (int &error, int lockpermanent ){
wbeaumont 2:91836ad02096 377 int locerr;
wbeaumont 2:91836ad02096 378 if( RegisterLocDownEnable) {
wbeaumont 2:91836ad02096 379 if ( error != 123) {error=36; return;}
wbeaumont 2:91836ad02096 380 (void)read_config(locerr,1 );
wbeaumont 2:91836ad02096 381 error= locerr<<2;
wbeaumont 2:91836ad02096 382 CregNV. RegisterLockDown = lockpermanent;
wbeaumont 2:91836ad02096 383 set_config(locerr,1 );
wbeaumont 2:91836ad02096 384 error |= locerr;
wbeaumont 2:91836ad02096 385 }
wbeaumont 2:91836ad02096 386 else { error =36 ;}
wbeaumont 2:91836ad02096 387 }
wbeaumont 2:91836ad02096 388
wbeaumont 2:91836ad02096 389
wbeaumont 2:91836ad02096 390
wbeaumont 2:91836ad02096 391 void AT30TSE75x::set_config( int &error, int Nonvolatile ) {
wbeaumont 2:91836ad02096 392 int locerr;
wbeaumont 2:91836ad02096 393 struct configreg *lcreg=&Creg;
wbeaumont 2:91836ad02096 394 if ( Creg.RegisterLockDown && Nonvolatile ) { locerr = 43; return; }
wbeaumont 2:91836ad02096 395 if ( Creg.RegisterLock ) { locerr = 44; return; }
wbeaumont 2:91836ad02096 396 if ( Nonvolatile) buffer[0]= ConfigRegNV; else buffer[0]= ConfigReg;
wbeaumont 2:91836ad02096 397 if( Nonvolatile) lcreg =&CregNV; else lcreg =&Creg;
wbeaumont 2:91836ad02096 398 uint16_t ld=0, td;
wbeaumont 2:91836ad02096 399 if ( lcreg->oneshot) ld= ONSHOT_BM; // no effect for NV reg
wbeaumont 2:91836ad02096 400 td= (lcreg->resolution) <<13; ld= ld | td;
wbeaumont 2:91836ad02096 401 td= (lcreg->faultTolQueue) <<11; ld= ld | td;
wbeaumont 2:91836ad02096 402 if ( lcreg->alertpol) ld=ld |ALERTPOL_BM;
wbeaumont 2:91836ad02096 403 if ( lcreg-> alarmMode) ld=ld |AlarmMode_BM;
wbeaumont 2:91836ad02096 404 if ( lcreg-> shutdownMode) ld=ld |SHUTDOWN_BM;
wbeaumont 2:91836ad02096 405 if ( lcreg-> RegisterLockDown) ld=ld |(REGLOCKDOWN_BM & RegisterLocDownEnable);
wbeaumont 2:91836ad02096 406 if ( lcreg-> RegisterLock) ld=ld |(REGLOCK_BM );
wbeaumont 2:91836ad02096 407 if( Nonvolatile ) ld=ld; else ld= 0xFF00 & ld;
wbeaumont 2:91836ad02096 408 buffer[2]=ld & 0xFF; ld = ld>>8;
wbeaumont 2:91836ad02096 409 buffer[1]=ld & 0xFF;
wbeaumont 2:91836ad02096 410 locerr=_i2c->write(Taddr,(char *)buffer,3,false);
wbeaumont 2:91836ad02096 411 buffer[0]= TReg;
wbeaumont 2:91836ad02096 412 locerr= locerr<<2;
wbeaumont 2:91836ad02096 413 locerr|=_i2c->write(Taddr,(char *)buffer,1,false); // make sure temp read reg is active again
wbeaumont 2:91836ad02096 414 error= locerr;
wbeaumont 0:7cb648bc5c2a 415 }
wbeaumont 0:7cb648bc5c2a 416
wbeaumont 0:7cb648bc5c2a 417
wbeaumont 0:7cb648bc5c2a 418
wbeaumont 0:7cb648bc5c2a 419
wbeaumont 0:7cb648bc5c2a 420 int AT30TSE75x::read_eeprompage(char *data, uint8_t length, uint8_t word_addr, uint8_t page) {
wbeaumont 0:7cb648bc5c2a 421 char buff[20];
wbeaumont 0:7cb648bc5c2a 422 buff[0] = (word_addr & 0x0F) | ((0x0F & page) << 4);
wbeaumont 0:7cb648bc5c2a 423
wbeaumont 0:7cb648bc5c2a 424 _i2c->write(Eaddr,buff,1,false);
wbeaumont 0:7cb648bc5c2a 425 return _i2c->read(Eaddr,data,length,false);
wbeaumont 0:7cb648bc5c2a 426 }
wbeaumont 0:7cb648bc5c2a 427
wbeaumont 0:7cb648bc5c2a 428 int AT30TSE75x::write_eeprompage(char *data, uint8_t length, uint8_t word_addr, uint8_t page)
wbeaumont 0:7cb648bc5c2a 429 {
wbeaumont 0:7cb648bc5c2a 430 char buff[length+1];
wbeaumont 0:7cb648bc5c2a 431 int buffsizep1=length+1;//buffersize+1
wbeaumont 0:7cb648bc5c2a 432 buff[0] = (word_addr & 0x0F) | ((0x0F & page) << 4);
wbeaumont 0:7cb648bc5c2a 433 for(int i = 1; i < buffsizep1; i++) {
wbeaumont 0:7cb648bc5c2a 434 buff[i] = *(data++);
wbeaumont 0:7cb648bc5c2a 435 }
wbeaumont 0:7cb648bc5c2a 436 return _i2c->write(Eaddr,buff,(length + 1),false);
wbeaumont 0:7cb648bc5c2a 437 }
wbeaumont 0:7cb648bc5c2a 438
wbeaumont 0:7cb648bc5c2a 439
wbeaumont 0:7cb648bc5c2a 440 int AT30TSE75x::read_eeprombyte(char &data, uint8_t word_addr, uint8_t page){
wbeaumont 0:7cb648bc5c2a 441 char rbuf[2];
wbeaumont 0:7cb648bc5c2a 442 int i2cresult=read_eeprompage(rbuf,1,word_addr,page);
wbeaumont 0:7cb648bc5c2a 443 data=rbuf[0];
wbeaumont 0:7cb648bc5c2a 444 return i2cresult;
wbeaumont 0:7cb648bc5c2a 445 }
wbeaumont 0:7cb648bc5c2a 446
wbeaumont 0:7cb648bc5c2a 447
wbeaumont 0:7cb648bc5c2a 448 int AT30TSE75x::write_eeprombyte(char data, uint8_t word_addr, uint8_t page){
wbeaumont 0:7cb648bc5c2a 449 char wbuf[2]; wbuf[0]=data;
wbeaumont 0:7cb648bc5c2a 450 return write_eeprompage(wbuf,1,word_addr,page);
wbeaumont 1:c0db18a0c56b 451 }
wbeaumont 1:c0db18a0c56b 452
wbeaumont 1:c0db18a0c56b 453 int AT30TSE75x::protect_eeprom(void) {
wbeaumont 1:c0db18a0c56b 454 char wbuf[2]; wbuf[0]=0;wbuf[1]=0; // don't care
wbeaumont 1:c0db18a0c56b 455 return _i2c->write(AT30TSE75X_FIX_EEPROM ,wbuf,2,false);
wbeaumont 1:c0db18a0c56b 456 }
wbeaumont 1:c0db18a0c56b 457
wbeaumont 1:c0db18a0c56b 458 int AT30TSE75x::unprotect_eeprom(void) {
wbeaumont 1:c0db18a0c56b 459 char wbuf[2]; wbuf[0]=0;wbuf[1]=0; // don't care
wbeaumont 1:c0db18a0c56b 460 return _i2c->write((0x4 | AT30TSE75X_FIX_EEPROM) ,wbuf,2,false);
wbeaumont 1:c0db18a0c56b 461 }
wbeaumont 1:c0db18a0c56b 462
wbeaumont 1:c0db18a0c56b 463 int AT30TSE75x::get_eeprom_protec(void){
wbeaumont 1:c0db18a0c56b 464 char wbuf[2];
wbeaumont 1:c0db18a0c56b 465 return _i2c->read(AT30TSE75X_FIX_EEPROM ,wbuf,1,false);
wbeaumont 1:c0db18a0c56b 466 }
wbeaumont 1:c0db18a0c56b 467