Manuel Caballero / MLX90614

Single and Dual Zone Infra Red Thermometer

MLX90614.cpp@4:c5344a5f3266, 2017-12-26 (annotated)

Committer:
mcm
Date:
Tue Dec 26 11:14:36 2017 +0000
Revision:
4:c5344a5f3266
Parent:
2:1d6817048eb1 
The driver was completed and tested, it works as expected. It was tested using the NUCLEO-L152RE.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mcm 2:1d6817048eb1 1 /**
mcm 2:1d6817048eb1 2 * @brief MLX90614.cpp
mcm 2:1d6817048eb1 3 * @details Single and Dual Zone Infra Red Thermometer.
mcm 2:1d6817048eb1 4 * Function file.
mcm 2:1d6817048eb1 5 *
mcm 2:1d6817048eb1 6 *
mcm 2:1d6817048eb1 7 * @return NA
mcm 2:1d6817048eb1 8 *
mcm 2:1d6817048eb1 9 * @author Manuel Caballero
mcm 2:1d6817048eb1 10 * @date 26/December/2017
mcm 2:1d6817048eb1 11 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 12 * @pre NaN.
mcm 2:1d6817048eb1 13 * @warning NaN
mcm 2:1d6817048eb1 14 * @pre This code belongs to AqueronteBlog ( http://unbarquero.blogspot.com ).
mcm 2:1d6817048eb1 15 */
mcm 2:1d6817048eb1 16
mcm 2:1d6817048eb1 17 #include "MLX90614.h"
mcm 2:1d6817048eb1 18
mcm 2:1d6817048eb1 19
mcm 2:1d6817048eb1 20 MLX90614::MLX90614 ( PinName sda, PinName scl, uint32_t addr, uint32_t freq )
mcm 2:1d6817048eb1 21 : _i2c ( sda, scl )
mcm 2:1d6817048eb1 22 , _MLX90614_Addr ( addr )
mcm 2:1d6817048eb1 23 {
mcm 2:1d6817048eb1 24 _i2c.frequency( freq );
mcm 2:1d6817048eb1 25 }
mcm 2:1d6817048eb1 26
mcm 2:1d6817048eb1 27
mcm 2:1d6817048eb1 28 MLX90614::~MLX90614()
mcm 2:1d6817048eb1 29 {
mcm 2:1d6817048eb1 30 }
mcm 2:1d6817048eb1 31
mcm 2:1d6817048eb1 32
mcm 2:1d6817048eb1 33
mcm 2:1d6817048eb1 34
mcm 2:1d6817048eb1 35 /**
mcm 2:1d6817048eb1 36 * @brief MLX90614_GetID_Numbers ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 37 *
mcm 2:1d6817048eb1 38 * @details It gets the ID numbers.
mcm 2:1d6817048eb1 39 *
mcm 2:1d6817048eb1 40 * @param[in] NaN
mcm 2:1d6817048eb1 41 *
mcm 2:1d6817048eb1 42 * @param[out] myID: ID numbers.
mcm 2:1d6817048eb1 43 *
mcm 2:1d6817048eb1 44 *
mcm 2:1d6817048eb1 45 * @return Status of MLX90614_GetID_Numbers.
mcm 2:1d6817048eb1 46 *
mcm 2:1d6817048eb1 47 *
mcm 2:1d6817048eb1 48 * @author Manuel Caballero
mcm 2:1d6817048eb1 49 * @date 26/December/2017
mcm 2:1d6817048eb1 50 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 51 * @pre NaN.
mcm 2:1d6817048eb1 52 * @warning NaN.
mcm 2:1d6817048eb1 53 */
mcm 2:1d6817048eb1 54 MLX90614::MLX90614_status_t MLX90614::MLX90614_GetID_Numbers ( MLX90614_vector_data_t* myID )
mcm 2:1d6817048eb1 55 {
mcm 2:1d6817048eb1 56 char cmd[] = { 0, 0, 0 };
mcm 2:1d6817048eb1 57 uint32_t aux = 0;
mcm 2:1d6817048eb1 58
mcm 2:1d6817048eb1 59
mcm 2:1d6817048eb1 60 // It gets the ID 0
mcm 2:1d6817048eb1 61 cmd[0] = MLX90614_ID_NUMBER_0;
mcm 2:1d6817048eb1 62 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 63 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 64
mcm 2:1d6817048eb1 65 myID->ID[0] = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 66
mcm 2:1d6817048eb1 67
mcm 2:1d6817048eb1 68 // It gets the ID 1
mcm 2:1d6817048eb1 69 cmd[0] = MLX90614_ID_NUMBER_1;
mcm 2:1d6817048eb1 70 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 71 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 72
mcm 2:1d6817048eb1 73 myID->ID[1] = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 74
mcm 2:1d6817048eb1 75
mcm 2:1d6817048eb1 76 // It gets the ID 2
mcm 2:1d6817048eb1 77 cmd[0] = MLX90614_ID_NUMBER_2;
mcm 2:1d6817048eb1 78 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 79 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 80
mcm 2:1d6817048eb1 81 myID->ID[2] = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 82
mcm 2:1d6817048eb1 83
mcm 2:1d6817048eb1 84 // It gets the ID 3
mcm 2:1d6817048eb1 85 cmd[0] = MLX90614_ID_NUMBER_3;
mcm 2:1d6817048eb1 86 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 87 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 88
mcm 2:1d6817048eb1 89 myID->ID[3] = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 90
mcm 2:1d6817048eb1 91
mcm 2:1d6817048eb1 92
mcm 2:1d6817048eb1 93
mcm 2:1d6817048eb1 94 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 95 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 96 else
mcm 2:1d6817048eb1 97 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 98 }
mcm 2:1d6817048eb1 99
mcm 2:1d6817048eb1 100
mcm 2:1d6817048eb1 101 /**
mcm 2:1d6817048eb1 102 * @brief MLX90614_ReadRawTA ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 103 *
mcm 2:1d6817048eb1 104 * @details It raw ambient temperature.
mcm 2:1d6817048eb1 105 *
mcm 2:1d6817048eb1 106 * @param[in] NaN.
mcm 2:1d6817048eb1 107 *
mcm 2:1d6817048eb1 108 * @param[out] myRawTA: Raw ambient temperature.
mcm 2:1d6817048eb1 109 *
mcm 2:1d6817048eb1 110 *
mcm 2:1d6817048eb1 111 * @return Status of MLX90614_ReadRawTA.
mcm 2:1d6817048eb1 112 *
mcm 2:1d6817048eb1 113 *
mcm 2:1d6817048eb1 114 * @author Manuel Caballero
mcm 2:1d6817048eb1 115 * @date 26/December/2017
mcm 2:1d6817048eb1 116 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 117 * @pre NaN.
mcm 2:1d6817048eb1 118 * @warning NaN.
mcm 2:1d6817048eb1 119 */
mcm 2:1d6817048eb1 120 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadRawTA ( MLX90614_vector_data_t* myRawTA )
mcm 2:1d6817048eb1 121 {
mcm 2:1d6817048eb1 122 char cmd[] = { MLX90614_TA, 0, 0 };
mcm 2:1d6817048eb1 123 uint32_t aux = 0;
mcm 2:1d6817048eb1 124
mcm 2:1d6817048eb1 125
mcm 2:1d6817048eb1 126 // It gets the raw ambient temperature
mcm 2:1d6817048eb1 127 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 128 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 129
mcm 2:1d6817048eb1 130
mcm 2:1d6817048eb1 131 myRawTA->RawTA = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 132 myRawTA->PEC = cmd[2];
mcm 2:1d6817048eb1 133
mcm 2:1d6817048eb1 134 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 135 if ( ( myRawTA->RawTA & MLX90614_FLAG_ERROR ) == MLX90614_FLAG_ERROR )
mcm 2:1d6817048eb1 136 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 137
mcm 2:1d6817048eb1 138
mcm 2:1d6817048eb1 139 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 140 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 141 else
mcm 2:1d6817048eb1 142 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 143 }
mcm 2:1d6817048eb1 144
mcm 2:1d6817048eb1 145
mcm 2:1d6817048eb1 146 /**
mcm 2:1d6817048eb1 147 * @brief MLX90614_ReadTA ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 148 *
mcm 2:1d6817048eb1 149 * @details It ambient temperature.
mcm 2:1d6817048eb1 150 *
mcm 2:1d6817048eb1 151 * @param[in] NaN
mcm 2:1d6817048eb1 152 *
mcm 2:1d6817048eb1 153 * @param[out] myTA: Ambient temperature in Celsius.
mcm 2:1d6817048eb1 154 *
mcm 2:1d6817048eb1 155 *
mcm 2:1d6817048eb1 156 * @return Status of MLX90614_ReadTA.
mcm 2:1d6817048eb1 157 *
mcm 2:1d6817048eb1 158 *
mcm 2:1d6817048eb1 159 * @author Manuel Caballero
mcm 2:1d6817048eb1 160 * @date 26/December/2017
mcm 2:1d6817048eb1 161 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 162 * @pre NaN.
mcm 2:1d6817048eb1 163 * @warning NaN.
mcm 2:1d6817048eb1 164 */
mcm 2:1d6817048eb1 165 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadTA ( MLX90614_vector_data_t* myTA )
mcm 2:1d6817048eb1 166 {
mcm 2:1d6817048eb1 167 char cmd[] = { MLX90614_TA, 0, 0 };
mcm 2:1d6817048eb1 168 uint32_t aux = 0;
mcm 2:1d6817048eb1 169
mcm 2:1d6817048eb1 170
mcm 2:1d6817048eb1 171 // It gets the raw ambient temperature
mcm 2:1d6817048eb1 172 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 173 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 174
mcm 2:1d6817048eb1 175
mcm 2:1d6817048eb1 176 myTA->TA = ( MLX90614_KELVIN_CONVERSION * ( ( ( cmd[1] << 8 ) | cmd[0] ) ) ) - MLX90614_KELVIN_TO_CELSIUS;
mcm 2:1d6817048eb1 177 myTA->PEC = cmd[2];
mcm 2:1d6817048eb1 178
mcm 2:1d6817048eb1 179 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 180 if ( ( cmd[1] & ( MLX90614_FLAG_ERROR >> 8 ) ) == ( MLX90614_FLAG_ERROR >> 8 ) )
mcm 2:1d6817048eb1 181 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 182
mcm 2:1d6817048eb1 183
mcm 2:1d6817048eb1 184 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 185 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 186 else
mcm 2:1d6817048eb1 187 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 188 }
mcm 2:1d6817048eb1 189
mcm 2:1d6817048eb1 190
mcm 2:1d6817048eb1 191 /**
mcm 2:1d6817048eb1 192 * @brief MLX90614_ReadRawTObj1 ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 193 *
mcm 2:1d6817048eb1 194 * @details It raw object 1 temperature.
mcm 2:1d6817048eb1 195 *
mcm 2:1d6817048eb1 196 * @param[in] NaN.
mcm 2:1d6817048eb1 197 *
mcm 2:1d6817048eb1 198 * @param[out] myRawTObj1: Raw object 1 temperature.
mcm 2:1d6817048eb1 199 *
mcm 2:1d6817048eb1 200 *
mcm 2:1d6817048eb1 201 * @return Status of MLX90614_ReadRawTObj1.
mcm 2:1d6817048eb1 202 *
mcm 2:1d6817048eb1 203 *
mcm 2:1d6817048eb1 204 * @author Manuel Caballero
mcm 2:1d6817048eb1 205 * @date 26/December/2017
mcm 2:1d6817048eb1 206 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 207 * @pre NaN.
mcm 2:1d6817048eb1 208 * @warning NaN.
mcm 2:1d6817048eb1 209 */
mcm 2:1d6817048eb1 210 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadRawTObj1 ( MLX90614_vector_data_t* myRawTObj1 )
mcm 2:1d6817048eb1 211 {
mcm 2:1d6817048eb1 212 char cmd[] = { MLX90614_TOBJ_1, 0, 0 };
mcm 2:1d6817048eb1 213 uint32_t aux = 0;
mcm 2:1d6817048eb1 214
mcm 2:1d6817048eb1 215
mcm 2:1d6817048eb1 216 // It gets the raw object 1 temperature
mcm 2:1d6817048eb1 217 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 218 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 219
mcm 2:1d6817048eb1 220
mcm 2:1d6817048eb1 221 myRawTObj1->RawTObj1 = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 222 myRawTObj1->PEC = cmd[2];
mcm 2:1d6817048eb1 223
mcm 2:1d6817048eb1 224 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 225 if ( ( myRawTObj1->RawTObj1 & MLX90614_FLAG_ERROR ) == MLX90614_FLAG_ERROR )
mcm 2:1d6817048eb1 226 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 227
mcm 2:1d6817048eb1 228
mcm 2:1d6817048eb1 229 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 230 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 231 else
mcm 2:1d6817048eb1 232 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 233 }
mcm 2:1d6817048eb1 234
mcm 2:1d6817048eb1 235
mcm 2:1d6817048eb1 236 /**
mcm 2:1d6817048eb1 237 * @brief MLX90614_ReadTObj1 ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 238 *
mcm 2:1d6817048eb1 239 * @details It object 1 temperature.
mcm 2:1d6817048eb1 240 *
mcm 2:1d6817048eb1 241 * @param[in] NaN.
mcm 2:1d6817048eb1 242 *
mcm 2:1d6817048eb1 243 * @param[out] myTObj1: Object 1 temperature in Celsius.
mcm 2:1d6817048eb1 244 *
mcm 2:1d6817048eb1 245 *
mcm 2:1d6817048eb1 246 * @return Status of MLX90614_ReadTObj1.
mcm 2:1d6817048eb1 247 *
mcm 2:1d6817048eb1 248 *
mcm 2:1d6817048eb1 249 * @author Manuel Caballero
mcm 2:1d6817048eb1 250 * @date 26/December/2017
mcm 2:1d6817048eb1 251 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 252 * @pre NaN.
mcm 2:1d6817048eb1 253 * @warning NaN.
mcm 2:1d6817048eb1 254 */
mcm 2:1d6817048eb1 255 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadTObj1 ( MLX90614_vector_data_t* myTObj1 )
mcm 2:1d6817048eb1 256 {
mcm 2:1d6817048eb1 257 char cmd[] = { MLX90614_TOBJ_1, 0, 0 };
mcm 2:1d6817048eb1 258 uint32_t aux = 0;
mcm 2:1d6817048eb1 259
mcm 2:1d6817048eb1 260
mcm 2:1d6817048eb1 261 // It gets the raw object 1 temperature
mcm 2:1d6817048eb1 262 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 263 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 264
mcm 2:1d6817048eb1 265
mcm 2:1d6817048eb1 266 myTObj1->TObj1 = ( MLX90614_KELVIN_CONVERSION * ( ( ( cmd[1] << 8 ) | cmd[0] ) ) ) - MLX90614_KELVIN_TO_CELSIUS;
mcm 2:1d6817048eb1 267 myTObj1->PEC = cmd[2];
mcm 2:1d6817048eb1 268
mcm 2:1d6817048eb1 269 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 270 if ( ( cmd[1] & ( MLX90614_FLAG_ERROR >> 8 ) ) == ( MLX90614_FLAG_ERROR >> 8 ) )
mcm 2:1d6817048eb1 271 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 272
mcm 2:1d6817048eb1 273
mcm 2:1d6817048eb1 274 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 275 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 276 else
mcm 2:1d6817048eb1 277 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 278 }
mcm 2:1d6817048eb1 279
mcm 2:1d6817048eb1 280
mcm 2:1d6817048eb1 281 /**
mcm 2:1d6817048eb1 282 * @brief MLX90614_ReadRawTObj2 ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 283 *
mcm 2:1d6817048eb1 284 * @details It raw object 2 temperature.
mcm 2:1d6817048eb1 285 *
mcm 2:1d6817048eb1 286 * @param[in] NaN.
mcm 2:1d6817048eb1 287 *
mcm 2:1d6817048eb1 288 * @param[out] myRawTObj1: Raw object 2 temperature.
mcm 2:1d6817048eb1 289 *
mcm 2:1d6817048eb1 290 *
mcm 2:1d6817048eb1 291 * @return Status of MLX90614_ReadRawTObj2.
mcm 2:1d6817048eb1 292 *
mcm 2:1d6817048eb1 293 *
mcm 2:1d6817048eb1 294 * @author Manuel Caballero
mcm 2:1d6817048eb1 295 * @date 26/December/2017
mcm 2:1d6817048eb1 296 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 297 * @pre NaN.
mcm 2:1d6817048eb1 298 * @warning NaN.
mcm 2:1d6817048eb1 299 */
mcm 2:1d6817048eb1 300 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadRawTObj2 ( MLX90614_vector_data_t* myRawTObj2 )
mcm 2:1d6817048eb1 301 {
mcm 2:1d6817048eb1 302 char cmd[] = { MLX90614_TOBJ_2, 0, 0 };
mcm 2:1d6817048eb1 303 uint32_t aux = 0;
mcm 2:1d6817048eb1 304
mcm 2:1d6817048eb1 305
mcm 2:1d6817048eb1 306 // It gets the raw object 1 temperature
mcm 2:1d6817048eb1 307 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 308 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 309
mcm 2:1d6817048eb1 310
mcm 2:1d6817048eb1 311 myRawTObj2->RawTObj2 = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 312 myRawTObj2->PEC = cmd[2];
mcm 2:1d6817048eb1 313
mcm 2:1d6817048eb1 314 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 315 if ( ( myRawTObj2->RawTObj2 & MLX90614_FLAG_ERROR ) == MLX90614_FLAG_ERROR )
mcm 2:1d6817048eb1 316 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 317
mcm 2:1d6817048eb1 318
mcm 2:1d6817048eb1 319 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 320 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 321 else
mcm 2:1d6817048eb1 322 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 323 }
mcm 2:1d6817048eb1 324
mcm 2:1d6817048eb1 325
mcm 2:1d6817048eb1 326 /**
mcm 2:1d6817048eb1 327 * @brief MLX90614_ReadTObj2 ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 328 *
mcm 2:1d6817048eb1 329 * @details It object 2 temperature.
mcm 2:1d6817048eb1 330 *
mcm 2:1d6817048eb1 331 * @param[in] NaN.
mcm 2:1d6817048eb1 332 *
mcm 2:1d6817048eb1 333 * @param[out] myTObj2: Object 2 temperature in Celsius.
mcm 2:1d6817048eb1 334 *
mcm 2:1d6817048eb1 335 *
mcm 2:1d6817048eb1 336 * @return Status of MLX90614_ReadTObj2.
mcm 2:1d6817048eb1 337 *
mcm 2:1d6817048eb1 338 *
mcm 2:1d6817048eb1 339 * @author Manuel Caballero
mcm 2:1d6817048eb1 340 * @date 26/December/2017
mcm 2:1d6817048eb1 341 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 342 * @pre NaN.
mcm 2:1d6817048eb1 343 * @warning NaN.
mcm 2:1d6817048eb1 344 */
mcm 2:1d6817048eb1 345 MLX90614::MLX90614_status_t MLX90614::MLX90614_ReadTObj2 ( MLX90614_vector_data_t* myTObj2 )
mcm 2:1d6817048eb1 346 {
mcm 2:1d6817048eb1 347 char cmd[] = { MLX90614_TOBJ_2, 0, 0 };
mcm 2:1d6817048eb1 348 uint32_t aux = 0;
mcm 2:1d6817048eb1 349
mcm 2:1d6817048eb1 350
mcm 2:1d6817048eb1 351 // It gets the raw object 2 temperature
mcm 2:1d6817048eb1 352 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 353 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 354
mcm 2:1d6817048eb1 355
mcm 2:1d6817048eb1 356 myTObj2->TObj2 = ( MLX90614_KELVIN_CONVERSION * ( ( ( cmd[1] << 8 ) | cmd[0] ) ) ) - MLX90614_KELVIN_TO_CELSIUS;
mcm 2:1d6817048eb1 357 myTObj2->PEC = cmd[2];
mcm 2:1d6817048eb1 358
mcm 2:1d6817048eb1 359 // Check if flag error is triggered ( faulty if so )
mcm 2:1d6817048eb1 360 if ( ( cmd[1] & ( MLX90614_FLAG_ERROR >> 8 ) ) == ( MLX90614_FLAG_ERROR >> 8 ) )
mcm 2:1d6817048eb1 361 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 362
mcm 2:1d6817048eb1 363
mcm 2:1d6817048eb1 364 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 365 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 366 else
mcm 2:1d6817048eb1 367 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 368 }
mcm 2:1d6817048eb1 369
mcm 2:1d6817048eb1 370
mcm 2:1d6817048eb1 371 /**
mcm 2:1d6817048eb1 372 * @brief MLX90614_GetEmissivity ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 373 *
mcm 2:1d6817048eb1 374 * @details It gets the Emissivity correction coefficient.
mcm 2:1d6817048eb1 375 *
mcm 2:1d6817048eb1 376 * @param[in] NaN
mcm 2:1d6817048eb1 377 *
mcm 2:1d6817048eb1 378 * @param[out] myEmissivity: Emissivity correction coefficient.
mcm 2:1d6817048eb1 379 *
mcm 2:1d6817048eb1 380 *
mcm 2:1d6817048eb1 381 * @return Status of MLX90614_GetEmissivity.
mcm 2:1d6817048eb1 382 *
mcm 2:1d6817048eb1 383 *
mcm 2:1d6817048eb1 384 * @author Manuel Caballero
mcm 2:1d6817048eb1 385 * @date 26/December/2017
mcm 2:1d6817048eb1 386 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 387 * @pre NaN.
mcm 2:1d6817048eb1 388 * @warning NaN.
mcm 2:1d6817048eb1 389 */
mcm 2:1d6817048eb1 390 MLX90614::MLX90614_status_t MLX90614::MLX90614_GetEmissivity ( MLX90614_vector_data_t* myEmissivity )
mcm 2:1d6817048eb1 391 {
mcm 2:1d6817048eb1 392 char cmd[] = { MLX90614_EMISSIVITY_CORRECTION_COEFFICIENT, 0, 0 };
mcm 2:1d6817048eb1 393 uint32_t aux = 0;
mcm 2:1d6817048eb1 394
mcm 2:1d6817048eb1 395
mcm 2:1d6817048eb1 396 // It gets the Emissivity correction coefficient
mcm 2:1d6817048eb1 397 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 398 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 399
mcm 2:1d6817048eb1 400
mcm 2:1d6817048eb1 401 myEmissivity->Emissivity = ( ( cmd[1] << 8 ) | cmd[0] );
mcm 2:1d6817048eb1 402 myEmissivity->Emissivity /= 65535;
mcm 2:1d6817048eb1 403 myEmissivity->PEC = cmd[2];
mcm 2:1d6817048eb1 404
mcm 2:1d6817048eb1 405
mcm 2:1d6817048eb1 406
mcm 2:1d6817048eb1 407
mcm 2:1d6817048eb1 408 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 409 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 410 else
mcm 2:1d6817048eb1 411 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 412 }
mcm 2:1d6817048eb1 413
mcm 2:1d6817048eb1 414
mcm 2:1d6817048eb1 415 /**
mcm 2:1d6817048eb1 416 * @brief MLX90614_SetEmissivity ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 417 *
mcm 2:1d6817048eb1 418 * @details It sets the Emissivity correction coefficient.
mcm 2:1d6817048eb1 419 *
mcm 2:1d6817048eb1 420 * @param[in] NaN.
mcm 2:1d6817048eb1 421 * @param[in] myEmissivity: Emissivity correction coefficient.
mcm 2:1d6817048eb1 422 *
mcm 2:1d6817048eb1 423 * @param[out] NaN
mcm 2:1d6817048eb1 424 *
mcm 2:1d6817048eb1 425 *
mcm 2:1d6817048eb1 426 * @return Status of MLX90614_SetEmissivity.
mcm 2:1d6817048eb1 427 *
mcm 2:1d6817048eb1 428 *
mcm 2:1d6817048eb1 429 * @author Manuel Caballero
mcm 2:1d6817048eb1 430 * @date 26/December/2017
mcm 2:1d6817048eb1 431 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 432 * @pre NaN.
mcm 2:1d6817048eb1 433 * @warning NaN.
mcm 2:1d6817048eb1 434 */
mcm 2:1d6817048eb1 435 MLX90614::MLX90614_status_t MLX90614::MLX90614_SetEmissivity ( MLX90614_vector_data_t myEmissivity )
mcm 2:1d6817048eb1 436 {
mcm 2:1d6817048eb1 437 char cmd[] = { MLX90614_EMISSIVITY_CORRECTION_COEFFICIENT, 0, 0 };
mcm 2:1d6817048eb1 438 uint32_t aux = 0;
mcm 2:1d6817048eb1 439 uint32_t ii = 0;
mcm 2:1d6817048eb1 440
mcm 2:1d6817048eb1 441
mcm 2:1d6817048eb1 442 // Check Emissivity range
mcm 2:1d6817048eb1 443 if ( ( myEmissivity.Emissivity >= 0.1 ) && ( myEmissivity.Emissivity <= 1) )
mcm 2:1d6817048eb1 444 {
mcm 2:1d6817048eb1 445 // Erase EEPROM
mcm 2:1d6817048eb1 446 cmd[1] = 0;
mcm 2:1d6817048eb1 447 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 2, false );
mcm 2:1d6817048eb1 448
mcm 2:1d6817048eb1 449 // It takes EEPROM about 5ms to write/read
mcm 2:1d6817048eb1 450 do
mcm 2:1d6817048eb1 451 {
mcm 2:1d6817048eb1 452 cmd[0] = MLX90614_FLAGS;
mcm 2:1d6817048eb1 453 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 454 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], 3 );
mcm 2:1d6817048eb1 455 ii++; // Increase the timeout
mcm 2:1d6817048eb1 456 }
mcm 2:1d6817048eb1 457 while ( ( ( cmd[0] & FLAG_EEBUSY_HIGH ) == FLAG_EEBUSY_HIGH ) && ( ii < MLX90614_TIMEOUT ) );
mcm 2:1d6817048eb1 458
mcm 2:1d6817048eb1 459
mcm 2:1d6817048eb1 460 // If TIMEOUT, exit with failure.
mcm 2:1d6817048eb1 461 if ( ii >= MLX90614_TIMEOUT )
mcm 2:1d6817048eb1 462 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 463 else
mcm 2:1d6817048eb1 464 {
mcm 2:1d6817048eb1 465 // Update the new value
mcm 2:1d6817048eb1 466 cmd[0] = MLX90614_EMISSIVITY_CORRECTION_COEFFICIENT;
mcm 2:1d6817048eb1 467 cmd[1] = _MYROUND( 65535 * myEmissivity.Emissivity );
mcm 2:1d6817048eb1 468 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 2, false );
mcm 2:1d6817048eb1 469 }
mcm 2:1d6817048eb1 470 }
mcm 2:1d6817048eb1 471 else
mcm 2:1d6817048eb1 472 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 473
mcm 2:1d6817048eb1 474
mcm 2:1d6817048eb1 475
mcm 2:1d6817048eb1 476
mcm 2:1d6817048eb1 477 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 478 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 479 else
mcm 2:1d6817048eb1 480 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 481 }
mcm 2:1d6817048eb1 482
mcm 2:1d6817048eb1 483
mcm 2:1d6817048eb1 484 /**
mcm 2:1d6817048eb1 485 * @brief MLX90614_GetIIR ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 486 *
mcm 2:1d6817048eb1 487 * @details It gets the IIR.
mcm 2:1d6817048eb1 488 *
mcm 2:1d6817048eb1 489 * @param[in] NaN.
mcm 2:1d6817048eb1 490 *
mcm 2:1d6817048eb1 491 * @param[out] myIIR: IIR.
mcm 2:1d6817048eb1 492 *
mcm 2:1d6817048eb1 493 *
mcm 2:1d6817048eb1 494 * @return Status of MLX90614_GetIIR.
mcm 2:1d6817048eb1 495 *
mcm 2:1d6817048eb1 496 *
mcm 2:1d6817048eb1 497 * @author Manuel Caballero
mcm 2:1d6817048eb1 498 * @date 26/December/2017
mcm 2:1d6817048eb1 499 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 500 * @pre NaN.
mcm 2:1d6817048eb1 501 * @warning NaN.
mcm 2:1d6817048eb1 502 */
mcm 2:1d6817048eb1 503 MLX90614::MLX90614_status_t MLX90614::MLX90614_GetIIR ( MLX90614_vector_data_t* myIIR )
mcm 2:1d6817048eb1 504 {
mcm 2:1d6817048eb1 505 char cmd[] = { MLX90614_CONFIG_REGISTER_1, 0, 0 };
mcm 2:1d6817048eb1 506 uint32_t aux = 0;
mcm 2:1d6817048eb1 507
mcm 2:1d6817048eb1 508
mcm 2:1d6817048eb1 509 // It gets the IIR
mcm 2:1d6817048eb1 510 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 511 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 512
mcm 2:1d6817048eb1 513
mcm 2:1d6817048eb1 514 myIIR->IIR = ( MLX90614_configregister1_iir_t )( cmd[0] & CONFIGREG1_IIR_MASK );
mcm 2:1d6817048eb1 515 myIIR->PEC = cmd[2];
mcm 2:1d6817048eb1 516
mcm 2:1d6817048eb1 517
mcm 2:1d6817048eb1 518
mcm 2:1d6817048eb1 519
mcm 2:1d6817048eb1 520 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 521 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 522 else
mcm 2:1d6817048eb1 523 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 524 }
mcm 2:1d6817048eb1 525
mcm 2:1d6817048eb1 526
mcm 2:1d6817048eb1 527 /**
mcm 2:1d6817048eb1 528 * @brief MLX90614_SetIIR ( MLX90614_configregister1_iir_t )
mcm 2:1d6817048eb1 529 *
mcm 2:1d6817048eb1 530 * @details It sets the IIR.
mcm 2:1d6817048eb1 531 *
mcm 2:1d6817048eb1 532 * @param[in] NaN.
mcm 2:1d6817048eb1 533 * @param[in] myIIR: IIR.
mcm 2:1d6817048eb1 534 *
mcm 2:1d6817048eb1 535 * @param[out] NaN.
mcm 2:1d6817048eb1 536 *
mcm 2:1d6817048eb1 537 *
mcm 2:1d6817048eb1 538 * @return Status of MLX90614_SetIIR.
mcm 2:1d6817048eb1 539 *
mcm 2:1d6817048eb1 540 *
mcm 2:1d6817048eb1 541 * @author Manuel Caballero
mcm 2:1d6817048eb1 542 * @date 26/December/2017
mcm 2:1d6817048eb1 543 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 544 * @pre NaN.
mcm 2:1d6817048eb1 545 * @warning NaN.
mcm 2:1d6817048eb1 546 */
mcm 2:1d6817048eb1 547 MLX90614::MLX90614_status_t MLX90614::MLX90614_SetIIR ( MLX90614_configregister1_iir_t myIIR )
mcm 2:1d6817048eb1 548 {
mcm 2:1d6817048eb1 549 char cmd[] = { MLX90614_CONFIG_REGISTER_1, 0, 0 };
mcm 2:1d6817048eb1 550 uint32_t aux = 0;
mcm 2:1d6817048eb1 551 uint32_t ii = 0;
mcm 2:1d6817048eb1 552
mcm 2:1d6817048eb1 553
mcm 2:1d6817048eb1 554 // It gets the IIR
mcm 2:1d6817048eb1 555 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 556 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 557
mcm 2:1d6817048eb1 558 // Erase EEPROM
mcm 2:1d6817048eb1 559 cmd[2] = cmd[1]; // MSB
mcm 2:1d6817048eb1 560 cmd[1] = ( cmd[0] & ~CONFIGREG1_IIR_MASK ); // LSB
mcm 2:1d6817048eb1 561 cmd[0] = MLX90614_CONFIG_REGISTER_1; // Command
mcm 2:1d6817048eb1 562 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 3, false );
mcm 2:1d6817048eb1 563
mcm 2:1d6817048eb1 564 // It takes EEPROM about 5ms to write/read
mcm 2:1d6817048eb1 565 do
mcm 2:1d6817048eb1 566 {
mcm 2:1d6817048eb1 567 cmd[0] = MLX90614_FLAGS;
mcm 2:1d6817048eb1 568 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 569 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], 3 );
mcm 2:1d6817048eb1 570 ii++; // Increase the timeout
mcm 2:1d6817048eb1 571 }
mcm 2:1d6817048eb1 572 while ( ( ( cmd[0] & FLAG_EEBUSY_HIGH ) == FLAG_EEBUSY_HIGH ) && ( ii < MLX90614_TIMEOUT ) );
mcm 2:1d6817048eb1 573
mcm 2:1d6817048eb1 574
mcm 2:1d6817048eb1 575 // If TIMEOUT, exit with failure.
mcm 2:1d6817048eb1 576 if ( ii >= MLX90614_TIMEOUT )
mcm 2:1d6817048eb1 577 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 578 else
mcm 2:1d6817048eb1 579 {
mcm 2:1d6817048eb1 580 // It gets the IIR
mcm 2:1d6817048eb1 581 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 582 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 583
mcm 2:1d6817048eb1 584 // Update the new value
mcm 2:1d6817048eb1 585 cmd[2] = cmd[1]; // MSB
mcm 2:1d6817048eb1 586 cmd[1] = ( ( cmd[0] & ~CONFIGREG1_IIR_MASK ) | myIIR ); // LSB
mcm 2:1d6817048eb1 587 cmd[0] = MLX90614_CONFIG_REGISTER_1; // Command
mcm 2:1d6817048eb1 588 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 2, false );
mcm 2:1d6817048eb1 589 }
mcm 2:1d6817048eb1 590
mcm 2:1d6817048eb1 591
mcm 2:1d6817048eb1 592
mcm 2:1d6817048eb1 593
mcm 2:1d6817048eb1 594 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 595 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 596 else
mcm 2:1d6817048eb1 597 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 598 }
mcm 2:1d6817048eb1 599
mcm 2:1d6817048eb1 600
mcm 2:1d6817048eb1 601 /**
mcm 4:c5344a5f3266 602 * @brief MLX90614_GetTemperatureSource ( MLX90614_vector_data_t* )
mcm 4:c5344a5f3266 603 *
mcm 4:c5344a5f3266 604 * @details It gets the temperature source.
mcm 4:c5344a5f3266 605 *
mcm 4:c5344a5f3266 606 * @param[in] NaN
mcm 4:c5344a5f3266 607 *
mcm 4:c5344a5f3266 608 * @param[out] myTempSource: Temperature source.
mcm 4:c5344a5f3266 609 *
mcm 4:c5344a5f3266 610 *
mcm 4:c5344a5f3266 611 * @return Status of MLX90614_GetTemperatureSource.
mcm 4:c5344a5f3266 612 *
mcm 4:c5344a5f3266 613 *
mcm 4:c5344a5f3266 614 * @author Manuel Caballero
mcm 4:c5344a5f3266 615 * @date 26/December/2017
mcm 4:c5344a5f3266 616 * @version 26/December/2017 The ORIGIN
mcm 4:c5344a5f3266 617 * @pre NaN.
mcm 4:c5344a5f3266 618 * @warning NaN.
mcm 4:c5344a5f3266 619 */
mcm 4:c5344a5f3266 620 MLX90614::MLX90614_status_t MLX90614::MLX90614_GetTemperatureSource ( MLX90614_vector_data_t* myTempSource )
mcm 4:c5344a5f3266 621 {
mcm 4:c5344a5f3266 622 char cmd[] = { MLX90614_CONFIG_REGISTER_1, 0, 0 };
mcm 4:c5344a5f3266 623 uint32_t aux = 0;
mcm 4:c5344a5f3266 624
mcm 4:c5344a5f3266 625
mcm 4:c5344a5f3266 626 // It gets the temperature source
mcm 4:c5344a5f3266 627 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 4:c5344a5f3266 628 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 4:c5344a5f3266 629
mcm 4:c5344a5f3266 630
mcm 4:c5344a5f3266 631 myTempSource->TempSource = ( MLX90614_configregister1_temp_t )( cmd[0] & CONFIGREG1_TEMP_MASK );
mcm 4:c5344a5f3266 632 myTempSource->PEC = cmd[2];
mcm 4:c5344a5f3266 633
mcm 4:c5344a5f3266 634
mcm 4:c5344a5f3266 635
mcm 4:c5344a5f3266 636
mcm 4:c5344a5f3266 637 if ( aux == I2C_SUCCESS )
mcm 4:c5344a5f3266 638 return MLX90614_SUCCESS;
mcm 4:c5344a5f3266 639 else
mcm 4:c5344a5f3266 640 return MLX90614_FAILURE;
mcm 4:c5344a5f3266 641 }
mcm 4:c5344a5f3266 642
mcm 4:c5344a5f3266 643
mcm 4:c5344a5f3266 644 /**
mcm 4:c5344a5f3266 645 * @brief MLX90614_SetTemperatureSource ( I2C_parameters_t , MLX90614_configregister1_temp_t )
mcm 4:c5344a5f3266 646 *
mcm 4:c5344a5f3266 647 * @details It sets the temperature source.
mcm 4:c5344a5f3266 648 *
mcm 4:c5344a5f3266 649 * @param[in] myTempSource: Temperature source.
mcm 4:c5344a5f3266 650 *
mcm 4:c5344a5f3266 651 * @param[out] NaN.
mcm 4:c5344a5f3266 652 *
mcm 4:c5344a5f3266 653 *
mcm 4:c5344a5f3266 654 * @return Status of MLX90614_SetTemperatureSource.
mcm 4:c5344a5f3266 655 *
mcm 4:c5344a5f3266 656 *
mcm 4:c5344a5f3266 657 * @author Manuel Caballero
mcm 4:c5344a5f3266 658 * @date 26/December/2017
mcm 4:c5344a5f3266 659 * @version 26/December/2017 The ORIGIN
mcm 4:c5344a5f3266 660 * @pre NaN.
mcm 4:c5344a5f3266 661 * @warning NaN.
mcm 4:c5344a5f3266 662 */
mcm 4:c5344a5f3266 663 MLX90614::MLX90614_status_t MLX90614::MLX90614_SetTemperatureSource ( MLX90614_configregister1_temp_t myTempSource )
mcm 4:c5344a5f3266 664 {
mcm 4:c5344a5f3266 665 char cmd[] = { MLX90614_CONFIG_REGISTER_1, 0, 0 };
mcm 4:c5344a5f3266 666 uint32_t aux = 0;
mcm 4:c5344a5f3266 667 uint32_t ii = 0;
mcm 4:c5344a5f3266 668
mcm 4:c5344a5f3266 669
mcm 4:c5344a5f3266 670 // It gets the IIR
mcm 4:c5344a5f3266 671 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 4:c5344a5f3266 672 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 4:c5344a5f3266 673
mcm 4:c5344a5f3266 674 // Erase EEPROM
mcm 4:c5344a5f3266 675 cmd[2] = cmd[1]; // MSB
mcm 4:c5344a5f3266 676 cmd[1] = ( cmd[0] & ~CONFIGREG1_TEMP_MASK ); // LSB
mcm 4:c5344a5f3266 677 cmd[0] = MLX90614_CONFIG_REGISTER_1; // Command
mcm 4:c5344a5f3266 678 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 3, false );
mcm 4:c5344a5f3266 679
mcm 4:c5344a5f3266 680 // It takes EEPROM about 5ms to write/read
mcm 4:c5344a5f3266 681 do
mcm 4:c5344a5f3266 682 {
mcm 4:c5344a5f3266 683 cmd[0] = MLX90614_FLAGS;
mcm 4:c5344a5f3266 684 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 4:c5344a5f3266 685 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], 3 );
mcm 4:c5344a5f3266 686 ii++; // Increase the timeout
mcm 4:c5344a5f3266 687 }
mcm 4:c5344a5f3266 688 while ( ( ( cmd[0] & FLAG_EEBUSY_HIGH ) == FLAG_EEBUSY_HIGH ) && ( ii < MLX90614_TIMEOUT ) );
mcm 4:c5344a5f3266 689
mcm 4:c5344a5f3266 690
mcm 4:c5344a5f3266 691 // If TIMEOUT, exit with failure.
mcm 4:c5344a5f3266 692 if ( ii >= MLX90614_TIMEOUT )
mcm 4:c5344a5f3266 693 return MLX90614_FAILURE;
mcm 4:c5344a5f3266 694 else
mcm 4:c5344a5f3266 695 {
mcm 4:c5344a5f3266 696 // It gets the IIR
mcm 4:c5344a5f3266 697 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 4:c5344a5f3266 698 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 4:c5344a5f3266 699
mcm 4:c5344a5f3266 700 // Update the new value
mcm 4:c5344a5f3266 701 cmd[2] = cmd[1]; // MSB
mcm 4:c5344a5f3266 702 cmd[1] = ( ( cmd[0] & ~CONFIGREG1_TEMP_MASK ) | myTempSource ); // LSB
mcm 4:c5344a5f3266 703 cmd[0] = MLX90614_CONFIG_REGISTER_1; // Command
mcm 4:c5344a5f3266 704 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 2, false );
mcm 4:c5344a5f3266 705 }
mcm 4:c5344a5f3266 706
mcm 4:c5344a5f3266 707
mcm 4:c5344a5f3266 708
mcm 4:c5344a5f3266 709
mcm 4:c5344a5f3266 710 if ( aux == I2C_SUCCESS )
mcm 4:c5344a5f3266 711 return MLX90614_SUCCESS;
mcm 4:c5344a5f3266 712 else
mcm 4:c5344a5f3266 713 return MLX90614_FAILURE;
mcm 4:c5344a5f3266 714 }
mcm 4:c5344a5f3266 715
mcm 4:c5344a5f3266 716
mcm 4:c5344a5f3266 717 /**
mcm 2:1d6817048eb1 718 * @brief MLX90614_GetFLAGS ( MLX90614_vector_data_t* )
mcm 2:1d6817048eb1 719 *
mcm 2:1d6817048eb1 720 * @details It gets the flags.
mcm 2:1d6817048eb1 721 *
mcm 2:1d6817048eb1 722 * @param[in] NaN.
mcm 2:1d6817048eb1 723 *
mcm 2:1d6817048eb1 724 * @param[out] myFlags: Flags.
mcm 2:1d6817048eb1 725 *
mcm 2:1d6817048eb1 726 *
mcm 2:1d6817048eb1 727 * @return Status of MLX90614_GetFLAGS.
mcm 2:1d6817048eb1 728 *
mcm 2:1d6817048eb1 729 *
mcm 2:1d6817048eb1 730 * @author Manuel Caballero
mcm 2:1d6817048eb1 731 * @date 26/December/2017
mcm 2:1d6817048eb1 732 * @version 26/December/2017 The ORIGIN
mcm 2:1d6817048eb1 733 * @pre NaN.
mcm 2:1d6817048eb1 734 * @warning NaN.
mcm 2:1d6817048eb1 735 */
mcm 2:1d6817048eb1 736 MLX90614::MLX90614_status_t MLX90614::MLX90614_GetFLAGS ( MLX90614_vector_data_t* myFlags )
mcm 2:1d6817048eb1 737 {
mcm 2:1d6817048eb1 738 char cmd[] = { MLX90614_FLAGS, 0, 0 };
mcm 2:1d6817048eb1 739 uint32_t aux = 0;
mcm 2:1d6817048eb1 740
mcm 2:1d6817048eb1 741
mcm 2:1d6817048eb1 742 // It gets the flags
mcm 2:1d6817048eb1 743 aux = _i2c.write ( _MLX90614_Addr, &cmd[0], 1, true );
mcm 2:1d6817048eb1 744 aux = _i2c.read ( _MLX90614_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) );
mcm 2:1d6817048eb1 745
mcm 2:1d6817048eb1 746
mcm 2:1d6817048eb1 747 myFlags->Flags = ( MLX90614_flags_t )cmd[0];
mcm 2:1d6817048eb1 748 myFlags->PEC = cmd[2];
mcm 2:1d6817048eb1 749
mcm 2:1d6817048eb1 750
mcm 2:1d6817048eb1 751
mcm 2:1d6817048eb1 752
mcm 2:1d6817048eb1 753 if ( aux == I2C_SUCCESS )
mcm 2:1d6817048eb1 754 return MLX90614_SUCCESS;
mcm 2:1d6817048eb1 755 else
mcm 2:1d6817048eb1 756 return MLX90614_FAILURE;
mcm 2:1d6817048eb1 757 }