±0.5°C Maximum Accuracy Digital Temperature Sensor
Dependents: mbed-os5-F303-18650-Manager-tp4056
MCP9808.cpp@3:54515d036e93, 2019-04-25 (annotated)
- Committer:
- mcm
- Date:
- Thu Apr 25 18:27:56 2019 +0000
- Revision:
- 3:54515d036e93
- Parent:
- 2:da266f1b2273
The driver was completed and tested ( mbed LPC1768 ), it works as expected.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mcm | 2:da266f1b2273 | 1 | /** |
mcm | 2:da266f1b2273 | 2 | * @brief MCP9808.cpp |
mcm | 2:da266f1b2273 | 3 | * @details ±0.5°C Maximum Accuracy Digital Temperature Sensor. |
mcm | 2:da266f1b2273 | 4 | * Function file. |
mcm | 2:da266f1b2273 | 5 | * |
mcm | 2:da266f1b2273 | 6 | * |
mcm | 2:da266f1b2273 | 7 | * @return N/A |
mcm | 2:da266f1b2273 | 8 | * |
mcm | 2:da266f1b2273 | 9 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 10 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 11 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 12 | * @pre N/A. |
mcm | 2:da266f1b2273 | 13 | * @warning N/A |
mcm | 2:da266f1b2273 | 14 | * @pre This code belongs to AqueronteBlog ( http://unbarquero.blogspot.com ). All rights reserved. |
mcm | 2:da266f1b2273 | 15 | */ |
mcm | 2:da266f1b2273 | 16 | |
mcm | 2:da266f1b2273 | 17 | #include "MCP9808.h" |
mcm | 2:da266f1b2273 | 18 | |
mcm | 2:da266f1b2273 | 19 | |
mcm | 2:da266f1b2273 | 20 | MCP9808::MCP9808 ( PinName sda, PinName scl, uint32_t addr, uint32_t freq ) |
mcm | 2:da266f1b2273 | 21 | : _i2c ( sda, scl ) |
mcm | 2:da266f1b2273 | 22 | , _MCP9808_Addr ( addr ) |
mcm | 2:da266f1b2273 | 23 | { |
mcm | 2:da266f1b2273 | 24 | _i2c.frequency( freq ); |
mcm | 2:da266f1b2273 | 25 | } |
mcm | 2:da266f1b2273 | 26 | |
mcm | 2:da266f1b2273 | 27 | |
mcm | 2:da266f1b2273 | 28 | MCP9808::~MCP9808() |
mcm | 2:da266f1b2273 | 29 | { |
mcm | 2:da266f1b2273 | 30 | } |
mcm | 2:da266f1b2273 | 31 | |
mcm | 2:da266f1b2273 | 32 | |
mcm | 2:da266f1b2273 | 33 | |
mcm | 2:da266f1b2273 | 34 | /** |
mcm | 2:da266f1b2273 | 35 | * @brief MCP9808_GetCONFIG ( MCP9808_config_reg_t* ) |
mcm | 2:da266f1b2273 | 36 | * |
mcm | 2:da266f1b2273 | 37 | * @details It gets CONFIG register value. |
mcm | 2:da266f1b2273 | 38 | * |
mcm | 2:da266f1b2273 | 39 | * @param[in] N/A. |
mcm | 2:da266f1b2273 | 40 | * |
mcm | 2:da266f1b2273 | 41 | * @param[out] myCONFIG: CONFIG register value. |
mcm | 2:da266f1b2273 | 42 | * |
mcm | 2:da266f1b2273 | 43 | * |
mcm | 2:da266f1b2273 | 44 | * @return Status of MCP9808_GetCONFIG. |
mcm | 2:da266f1b2273 | 45 | * |
mcm | 2:da266f1b2273 | 46 | * |
mcm | 2:da266f1b2273 | 47 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 48 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 49 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 50 | * @pre N/A |
mcm | 2:da266f1b2273 | 51 | * @warning N/A. |
mcm | 2:da266f1b2273 | 52 | */ |
mcm | 2:da266f1b2273 | 53 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetCONFIG ( MCP9808_config_reg_t* myCONFIG ) |
mcm | 2:da266f1b2273 | 54 | { |
mcm | 2:da266f1b2273 | 55 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 56 | uint16_t myConfigAux = 0U; |
mcm | 2:da266f1b2273 | 57 | uint32_t aux; |
mcm | 2:da266f1b2273 | 58 | |
mcm | 2:da266f1b2273 | 59 | /* Read the register */ |
mcm | 2:da266f1b2273 | 60 | cmd[0] = MCP9808_CONFIG; |
mcm | 2:da266f1b2273 | 61 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], 1U, true ); |
mcm | 2:da266f1b2273 | 62 | aux = _i2c.read ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) ); |
mcm | 2:da266f1b2273 | 63 | |
mcm | 2:da266f1b2273 | 64 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 65 | myConfigAux = cmd[0]; |
mcm | 2:da266f1b2273 | 66 | myConfigAux <<= 8U; |
mcm | 2:da266f1b2273 | 67 | myConfigAux |= cmd[1]; |
mcm | 2:da266f1b2273 | 68 | |
mcm | 2:da266f1b2273 | 69 | myCONFIG->t_hyst = (MCP9808_config_thyst_t)( myConfigAux & CONFIG_T_HYST_MASK ); |
mcm | 2:da266f1b2273 | 70 | myCONFIG->shdn = (MCP9808_config_shdn_t)( myConfigAux & CONFIG_SHDN_MASK ); |
mcm | 2:da266f1b2273 | 71 | myCONFIG->t_crit = (MCP9808_config_crit_lock_t)( myConfigAux & CONFIG_CRIT_LOCK_MASK ); |
mcm | 2:da266f1b2273 | 72 | myCONFIG->t_win_lock = (MCP9808_config_win_lock_t)( myConfigAux & CONFIG_WIN_LOCK_MASK ); |
mcm | 2:da266f1b2273 | 73 | myCONFIG->int_clear = (MCP9808_conf_int_clear_t)( myConfigAux & CONFIG_INT_CLEAR_MASK ); |
mcm | 2:da266f1b2273 | 74 | myCONFIG->alert_stat = (MCP9808_config_alert_stat_t)( myConfigAux & CONFIG_ALERT_STAT_MASK ); |
mcm | 2:da266f1b2273 | 75 | myCONFIG->alert_cnt = (MCP9808_config_alert_cnt_t)( myConfigAux & CONFIG_ALERT_CNT_MASK ); |
mcm | 2:da266f1b2273 | 76 | myCONFIG->alert_sel = (MCP9808_config_alert_sel_t)( myConfigAux & CONFIG_ALERT_SEL_MASK ); |
mcm | 2:da266f1b2273 | 77 | myCONFIG->alert_pol = (MCP9808_config_alert_pol_t)( myConfigAux & CONFIG_ALERT_POL_MASK ); |
mcm | 2:da266f1b2273 | 78 | myCONFIG->alert_mod = (MCP9808_config_alert_mod_t)( myConfigAux & CONFIG_ALERT_MOD_MASK ); |
mcm | 2:da266f1b2273 | 79 | |
mcm | 2:da266f1b2273 | 80 | |
mcm | 2:da266f1b2273 | 81 | |
mcm | 2:da266f1b2273 | 82 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 83 | { |
mcm | 2:da266f1b2273 | 84 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 85 | } |
mcm | 2:da266f1b2273 | 86 | else |
mcm | 2:da266f1b2273 | 87 | { |
mcm | 2:da266f1b2273 | 88 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 89 | } |
mcm | 2:da266f1b2273 | 90 | } |
mcm | 2:da266f1b2273 | 91 | |
mcm | 2:da266f1b2273 | 92 | |
mcm | 2:da266f1b2273 | 93 | |
mcm | 2:da266f1b2273 | 94 | /** |
mcm | 2:da266f1b2273 | 95 | * @brief MCP9808_SetCONFIG ( MCP9808_config_reg_t ) |
mcm | 2:da266f1b2273 | 96 | * |
mcm | 2:da266f1b2273 | 97 | * @details It sets CONFIG register value. |
mcm | 2:da266f1b2273 | 98 | * |
mcm | 2:da266f1b2273 | 99 | * @param[in] myCONFIG: CONFIG register value. |
mcm | 2:da266f1b2273 | 100 | * |
mcm | 2:da266f1b2273 | 101 | * @param[out] N/A. |
mcm | 2:da266f1b2273 | 102 | * |
mcm | 2:da266f1b2273 | 103 | * |
mcm | 2:da266f1b2273 | 104 | * @return Status of MCP9808_SetCONFIG. |
mcm | 2:da266f1b2273 | 105 | * |
mcm | 2:da266f1b2273 | 106 | * |
mcm | 2:da266f1b2273 | 107 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 108 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 109 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 110 | * @pre MCP9808_GetCONFIG function should be called first to mask the bits. |
mcm | 2:da266f1b2273 | 111 | * @warning Be aware that some commands can NOT be written depending on Crit.Lock and/or Win.Lock values. |
mcm | 2:da266f1b2273 | 112 | */ |
mcm | 2:da266f1b2273 | 113 | MCP9808::MCP9808_status_t MCP9808::MCP9808_SetCONFIG ( MCP9808_config_reg_t myCONFIG ) |
mcm | 2:da266f1b2273 | 114 | { |
mcm | 2:da266f1b2273 | 115 | char cmd[3] = { 0U }; |
mcm | 2:da266f1b2273 | 116 | uint16_t myConfigAux = 0U; |
mcm | 2:da266f1b2273 | 117 | uint32_t aux; |
mcm | 2:da266f1b2273 | 118 | |
mcm | 2:da266f1b2273 | 119 | /* Update CONFI register */ |
mcm | 2:da266f1b2273 | 120 | myConfigAux = ( myCONFIG.t_hyst | myCONFIG.shdn | myCONFIG.t_crit | myCONFIG.t_win_lock | myCONFIG.int_clear | |
mcm | 2:da266f1b2273 | 121 | myCONFIG.alert_stat | myCONFIG.alert_cnt | myCONFIG.alert_sel | myCONFIG.alert_pol | myCONFIG.alert_mod ); |
mcm | 2:da266f1b2273 | 122 | |
mcm | 2:da266f1b2273 | 123 | cmd[0] = MCP9808_CONFIG; |
mcm | 3:54515d036e93 | 124 | cmd[1] = (uint8_t)( myConfigAux >> 8U ); |
mcm | 3:54515d036e93 | 125 | cmd[2] = (uint8_t)( myConfigAux & 0xFF ); |
mcm | 2:da266f1b2273 | 126 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); |
mcm | 2:da266f1b2273 | 127 | |
mcm | 2:da266f1b2273 | 128 | |
mcm | 2:da266f1b2273 | 129 | |
mcm | 2:da266f1b2273 | 130 | |
mcm | 2:da266f1b2273 | 131 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 132 | { |
mcm | 2:da266f1b2273 | 133 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 134 | } |
mcm | 2:da266f1b2273 | 135 | else |
mcm | 2:da266f1b2273 | 136 | { |
mcm | 2:da266f1b2273 | 137 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 138 | } |
mcm | 2:da266f1b2273 | 139 | } |
mcm | 2:da266f1b2273 | 140 | |
mcm | 2:da266f1b2273 | 141 | |
mcm | 2:da266f1b2273 | 142 | |
mcm | 2:da266f1b2273 | 143 | /** |
mcm | 2:da266f1b2273 | 144 | * @brief MCP9808_GetRawTA ( MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 145 | * |
mcm | 2:da266f1b2273 | 146 | * @details It gets ambient temperature register ( raw value ). |
mcm | 2:da266f1b2273 | 147 | * |
mcm | 2:da266f1b2273 | 148 | * @param[in] N/A |
mcm | 2:da266f1b2273 | 149 | * |
mcm | 2:da266f1b2273 | 150 | * @param[out] myRawTA: Raw T_A data. |
mcm | 2:da266f1b2273 | 151 | * |
mcm | 2:da266f1b2273 | 152 | * |
mcm | 2:da266f1b2273 | 153 | * @return Status of MCP9808_GetRawTA. |
mcm | 2:da266f1b2273 | 154 | * |
mcm | 2:da266f1b2273 | 155 | * |
mcm | 2:da266f1b2273 | 156 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 157 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 158 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 159 | * @pre N/A |
mcm | 2:da266f1b2273 | 160 | * @warning N/A. |
mcm | 2:da266f1b2273 | 161 | */ |
mcm | 2:da266f1b2273 | 162 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetRawTA ( MCP9808_data_t* myRawTA ) |
mcm | 2:da266f1b2273 | 163 | { |
mcm | 2:da266f1b2273 | 164 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 165 | uint32_t aux; |
mcm | 2:da266f1b2273 | 166 | |
mcm | 2:da266f1b2273 | 167 | /* Read the register */ |
mcm | 2:da266f1b2273 | 168 | cmd[0] = MCP9808_TA; |
mcm | 2:da266f1b2273 | 169 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], 1U, true ); |
mcm | 2:da266f1b2273 | 170 | aux = _i2c.read ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) ); |
mcm | 2:da266f1b2273 | 171 | |
mcm | 2:da266f1b2273 | 172 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 173 | myRawTA->t_a_raw = cmd[0]; |
mcm | 2:da266f1b2273 | 174 | myRawTA->t_a_raw <<= 8U; |
mcm | 2:da266f1b2273 | 175 | myRawTA->t_a_raw |= cmd[1]; |
mcm | 2:da266f1b2273 | 176 | |
mcm | 2:da266f1b2273 | 177 | |
mcm | 2:da266f1b2273 | 178 | |
mcm | 2:da266f1b2273 | 179 | |
mcm | 2:da266f1b2273 | 180 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 181 | { |
mcm | 2:da266f1b2273 | 182 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 183 | } |
mcm | 2:da266f1b2273 | 184 | else |
mcm | 2:da266f1b2273 | 185 | { |
mcm | 2:da266f1b2273 | 186 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 187 | } |
mcm | 2:da266f1b2273 | 188 | } |
mcm | 2:da266f1b2273 | 189 | |
mcm | 2:da266f1b2273 | 190 | |
mcm | 2:da266f1b2273 | 191 | |
mcm | 2:da266f1b2273 | 192 | /** |
mcm | 2:da266f1b2273 | 193 | * @brief MCP9808_GetTA ( MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 194 | * |
mcm | 2:da266f1b2273 | 195 | * @details It gets ambient temperature register ( Celsius degrees ). |
mcm | 2:da266f1b2273 | 196 | * |
mcm | 2:da266f1b2273 | 197 | * @param[in] N/A |
mcm | 2:da266f1b2273 | 198 | * |
mcm | 2:da266f1b2273 | 199 | * @param[out] myTA: T_A value and flags. |
mcm | 2:da266f1b2273 | 200 | * |
mcm | 2:da266f1b2273 | 201 | * |
mcm | 2:da266f1b2273 | 202 | * @return Status of MCP9808_GetTA. |
mcm | 2:da266f1b2273 | 203 | * |
mcm | 2:da266f1b2273 | 204 | * |
mcm | 2:da266f1b2273 | 205 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 206 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 207 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 208 | * @pre This function also updates the comparison flags. |
mcm | 2:da266f1b2273 | 209 | * @warning N/A. |
mcm | 2:da266f1b2273 | 210 | */ |
mcm | 2:da266f1b2273 | 211 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetTA ( MCP9808_data_t* myTA ) |
mcm | 2:da266f1b2273 | 212 | { |
mcm | 3:54515d036e93 | 213 | uint8_t myUpperByte = 0U; |
mcm | 3:54515d036e93 | 214 | uint8_t myLowerByte = 0U; |
mcm | 2:da266f1b2273 | 215 | MCP9808::MCP9808_status_t aux; |
mcm | 2:da266f1b2273 | 216 | |
mcm | 2:da266f1b2273 | 217 | /* Read the register */ |
mcm | 2:da266f1b2273 | 218 | aux = MCP9808::MCP9808_GetRawTA ( &(*myTA) ); |
mcm | 2:da266f1b2273 | 219 | |
mcm | 2:da266f1b2273 | 220 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 221 | /* Mask the flags */ |
mcm | 2:da266f1b2273 | 222 | myTA->ta_vs_tcrit = (MCP9808_t_a_ta_vs_tcrit_t)( myTA->t_a_raw & T_A_TA_VS_TCRIT_MASK ); |
mcm | 2:da266f1b2273 | 223 | myTA->ta_vs_tupper = (MCP9808_t_a_ta_vs_tupper_t)( myTA->t_a_raw & T_A_TA_VS_TUPPER_MASK ); |
mcm | 2:da266f1b2273 | 224 | myTA->t_lower = (MCP9808_t_a_ta_vs_tlower_t)( myTA->t_a_raw & T_A_TA_VS_TLOWER_MASK ); |
mcm | 2:da266f1b2273 | 225 | myTA->t_a_sign = (MCP9808_t_a_sign_t)( myTA->t_a_raw & T_A_TA_SIGN_MASK ); |
mcm | 2:da266f1b2273 | 226 | |
mcm | 2:da266f1b2273 | 227 | /* Mask the ambient temperature value */ |
mcm | 3:54515d036e93 | 228 | myUpperByte = (uint8_t)( myTA->t_a_raw >> 8U ); |
mcm | 3:54515d036e93 | 229 | myLowerByte = (uint8_t)( myTA->t_a_raw & 0xFF ); |
mcm | 2:da266f1b2273 | 230 | |
mcm | 2:da266f1b2273 | 231 | /* Clean the flags */ |
mcm | 3:54515d036e93 | 232 | myUpperByte &= ~(uint8_t)( ( T_A_TA_VS_TCRIT_MASK | T_A_TA_VS_TUPPER_MASK | T_A_TA_VS_TLOWER_MASK ) >> 8U ); |
mcm | 2:da266f1b2273 | 233 | |
mcm | 2:da266f1b2273 | 234 | /* Check if T_A is negative/positive */ |
mcm | 2:da266f1b2273 | 235 | if ( myTA->t_a_sign == T_A_TA_SIGN_NEGATIVE ) |
mcm | 2:da266f1b2273 | 236 | { |
mcm | 3:54515d036e93 | 237 | /* Ambient uint8_t is NEGATIVE */ |
mcm | 3:54515d036e93 | 238 | myUpperByte &= ~(uint8_t)( T_A_TA_SIGN_MASK >> 8U ); // Clear the SIGN flag |
mcm | 2:da266f1b2273 | 239 | myTA->t_a = 256.0f - (float)( ( myUpperByte * 16.0f ) + ( myLowerByte / 16.0f ) ); // Ambient temperature value |
mcm | 2:da266f1b2273 | 240 | } |
mcm | 2:da266f1b2273 | 241 | else |
mcm | 2:da266f1b2273 | 242 | { |
mcm | 2:da266f1b2273 | 243 | /* Ambient temperature is POSITIVE */ |
mcm | 2:da266f1b2273 | 244 | myTA->t_a = (float)( ( myUpperByte * 16.0f ) + ( myLowerByte / 16.0f ) ); // Ambient temperature value |
mcm | 2:da266f1b2273 | 245 | } |
mcm | 2:da266f1b2273 | 246 | |
mcm | 2:da266f1b2273 | 247 | |
mcm | 2:da266f1b2273 | 248 | return aux; |
mcm | 2:da266f1b2273 | 249 | } |
mcm | 2:da266f1b2273 | 250 | |
mcm | 2:da266f1b2273 | 251 | |
mcm | 2:da266f1b2273 | 252 | |
mcm | 2:da266f1b2273 | 253 | /** |
mcm | 2:da266f1b2273 | 254 | * @brief MCP9808_GetManufacturerID ( MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 255 | * |
mcm | 2:da266f1b2273 | 256 | * @details It gets manufacturer ID. |
mcm | 2:da266f1b2273 | 257 | * |
mcm | 2:da266f1b2273 | 258 | * @param[in] N/A. |
mcm | 2:da266f1b2273 | 259 | * |
mcm | 2:da266f1b2273 | 260 | * @param[out] myManufacturerID: Manufacturer ID code |
mcm | 2:da266f1b2273 | 261 | * |
mcm | 2:da266f1b2273 | 262 | * |
mcm | 2:da266f1b2273 | 263 | * @return Status of MCP9808_GetManufacturerID. |
mcm | 2:da266f1b2273 | 264 | * |
mcm | 2:da266f1b2273 | 265 | * |
mcm | 2:da266f1b2273 | 266 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 267 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 268 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 269 | * @pre It should be 0x0054 ( hexadecimal ). |
mcm | 2:da266f1b2273 | 270 | * @warning N/A. |
mcm | 2:da266f1b2273 | 271 | */ |
mcm | 2:da266f1b2273 | 272 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetManufacturerID ( MCP9808_data_t* myManufacturerID ) |
mcm | 2:da266f1b2273 | 273 | { |
mcm | 2:da266f1b2273 | 274 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 275 | uint32_t aux; |
mcm | 2:da266f1b2273 | 276 | |
mcm | 2:da266f1b2273 | 277 | /* Read the register */ |
mcm | 2:da266f1b2273 | 278 | cmd[0] = MCP9808_MANUFACTURER_ID; |
mcm | 2:da266f1b2273 | 279 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], 1U, true ); |
mcm | 2:da266f1b2273 | 280 | aux = _i2c.read ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) ); |
mcm | 2:da266f1b2273 | 281 | |
mcm | 2:da266f1b2273 | 282 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 283 | myManufacturerID->manufacturerID = cmd[0]; |
mcm | 2:da266f1b2273 | 284 | myManufacturerID->manufacturerID <<= 8U; |
mcm | 2:da266f1b2273 | 285 | myManufacturerID->manufacturerID |= cmd[1]; |
mcm | 2:da266f1b2273 | 286 | |
mcm | 2:da266f1b2273 | 287 | |
mcm | 2:da266f1b2273 | 288 | |
mcm | 2:da266f1b2273 | 289 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 290 | { |
mcm | 2:da266f1b2273 | 291 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 292 | } |
mcm | 2:da266f1b2273 | 293 | else |
mcm | 2:da266f1b2273 | 294 | { |
mcm | 2:da266f1b2273 | 295 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 296 | } |
mcm | 2:da266f1b2273 | 297 | } |
mcm | 2:da266f1b2273 | 298 | |
mcm | 2:da266f1b2273 | 299 | |
mcm | 2:da266f1b2273 | 300 | |
mcm | 2:da266f1b2273 | 301 | /** |
mcm | 2:da266f1b2273 | 302 | * @brief MCP9808_GetDeviceID ( MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 303 | * |
mcm | 2:da266f1b2273 | 304 | * @details It gets device ID and device revision. |
mcm | 2:da266f1b2273 | 305 | * |
mcm | 2:da266f1b2273 | 306 | * @param[in] N/A |
mcm | 2:da266f1b2273 | 307 | * |
mcm | 2:da266f1b2273 | 308 | * @param[out] myDeviceID: Both device ID and device revision |
mcm | 2:da266f1b2273 | 309 | * |
mcm | 2:da266f1b2273 | 310 | * |
mcm | 2:da266f1b2273 | 311 | * @return Status of MCP9808_GetDeviceID. |
mcm | 2:da266f1b2273 | 312 | * |
mcm | 2:da266f1b2273 | 313 | * |
mcm | 2:da266f1b2273 | 314 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 315 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 316 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 317 | * @pre Device ID should be 0x04 ( hexadecimal ). |
mcm | 2:da266f1b2273 | 318 | * @warning N/A. |
mcm | 2:da266f1b2273 | 319 | */ |
mcm | 2:da266f1b2273 | 320 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetDeviceID ( MCP9808_data_t* myDeviceID ) |
mcm | 2:da266f1b2273 | 321 | { |
mcm | 2:da266f1b2273 | 322 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 323 | uint32_t aux; |
mcm | 2:da266f1b2273 | 324 | |
mcm | 2:da266f1b2273 | 325 | /* Read the register */ |
mcm | 2:da266f1b2273 | 326 | cmd[0] = MCP9808_DEVICE_ID; |
mcm | 2:da266f1b2273 | 327 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], 1U, true ); |
mcm | 2:da266f1b2273 | 328 | aux = _i2c.read ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ) ); |
mcm | 2:da266f1b2273 | 329 | |
mcm | 2:da266f1b2273 | 330 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 331 | myDeviceID->deviceID = cmd[0]; |
mcm | 2:da266f1b2273 | 332 | myDeviceID->deviceRevision = cmd[1]; |
mcm | 2:da266f1b2273 | 333 | |
mcm | 2:da266f1b2273 | 334 | |
mcm | 2:da266f1b2273 | 335 | |
mcm | 2:da266f1b2273 | 336 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 337 | { |
mcm | 2:da266f1b2273 | 338 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 339 | } |
mcm | 2:da266f1b2273 | 340 | else |
mcm | 2:da266f1b2273 | 341 | { |
mcm | 2:da266f1b2273 | 342 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 343 | } |
mcm | 2:da266f1b2273 | 344 | } |
mcm | 2:da266f1b2273 | 345 | |
mcm | 2:da266f1b2273 | 346 | |
mcm | 2:da266f1b2273 | 347 | |
mcm | 2:da266f1b2273 | 348 | /** |
mcm | 2:da266f1b2273 | 349 | * @brief MCP9808_SetResolution ( MCP9808_data_t ) |
mcm | 2:da266f1b2273 | 350 | * |
mcm | 2:da266f1b2273 | 351 | * @details It sets the sensor resolution. |
mcm | 2:da266f1b2273 | 352 | * |
mcm | 2:da266f1b2273 | 353 | * @param[in] myResolution: Device resolution. |
mcm | 2:da266f1b2273 | 354 | * |
mcm | 2:da266f1b2273 | 355 | * @param[out] N/A |
mcm | 2:da266f1b2273 | 356 | * |
mcm | 2:da266f1b2273 | 357 | * |
mcm | 2:da266f1b2273 | 358 | * @return Status of MCP9808_SetResolution. |
mcm | 2:da266f1b2273 | 359 | * |
mcm | 2:da266f1b2273 | 360 | * |
mcm | 2:da266f1b2273 | 361 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 362 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 363 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 364 | * @pre Resolution vs timing conversion: |
mcm | 2:da266f1b2273 | 365 | * · Resolution: +0.5°C ( t_CONV = 30ms typical ) |
mcm | 2:da266f1b2273 | 366 | * · Resolution: +0.25°C ( t_CONV = 65ms typical ) |
mcm | 2:da266f1b2273 | 367 | * · Resolution: +0.125°C ( t_CONV = 130ms typical ) |
mcm | 2:da266f1b2273 | 368 | * · Resolution: +0.0625°C ( power-up default, t_CONV = 250ms typical ) |
mcm | 2:da266f1b2273 | 369 | * @warning N/A. |
mcm | 2:da266f1b2273 | 370 | */ |
mcm | 2:da266f1b2273 | 371 | MCP9808::MCP9808_status_t MCP9808::MCP9808_SetResolution ( MCP9808_data_t myResolution ) |
mcm | 2:da266f1b2273 | 372 | { |
mcm | 2:da266f1b2273 | 373 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 374 | uint32_t aux; |
mcm | 2:da266f1b2273 | 375 | |
mcm | 2:da266f1b2273 | 376 | /* Read the register */ |
mcm | 2:da266f1b2273 | 377 | cmd[0] = MCP9808_RESOLUTION; |
mcm | 2:da266f1b2273 | 378 | cmd[1] = myResolution.resolution; |
mcm | 2:da266f1b2273 | 379 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); |
mcm | 2:da266f1b2273 | 380 | |
mcm | 2:da266f1b2273 | 381 | |
mcm | 2:da266f1b2273 | 382 | |
mcm | 2:da266f1b2273 | 383 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 384 | { |
mcm | 2:da266f1b2273 | 385 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 386 | } |
mcm | 2:da266f1b2273 | 387 | else |
mcm | 2:da266f1b2273 | 388 | { |
mcm | 2:da266f1b2273 | 389 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 390 | } |
mcm | 2:da266f1b2273 | 391 | } |
mcm | 2:da266f1b2273 | 392 | |
mcm | 2:da266f1b2273 | 393 | |
mcm | 2:da266f1b2273 | 394 | |
mcm | 2:da266f1b2273 | 395 | /** |
mcm | 2:da266f1b2273 | 396 | * @brief MCP9808_GetResolution ( MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 397 | * |
mcm | 2:da266f1b2273 | 398 | * @details It gets the sensor resolution. |
mcm | 2:da266f1b2273 | 399 | * |
mcm | 2:da266f1b2273 | 400 | * @param[in] N/A. |
mcm | 2:da266f1b2273 | 401 | * |
mcm | 2:da266f1b2273 | 402 | * @param[out] myResolution: Device resolution. |
mcm | 2:da266f1b2273 | 403 | * |
mcm | 2:da266f1b2273 | 404 | * |
mcm | 2:da266f1b2273 | 405 | * @return Status of MCP9808_GetResolution. |
mcm | 2:da266f1b2273 | 406 | * |
mcm | 2:da266f1b2273 | 407 | * |
mcm | 2:da266f1b2273 | 408 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 409 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 410 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 411 | * @pre Resolution vs timing conversion: |
mcm | 2:da266f1b2273 | 412 | * · Resolution: +0.5°C ( t_CONV = 30ms typical ) |
mcm | 2:da266f1b2273 | 413 | * · Resolution: +0.25°C ( t_CONV = 65ms typical ) |
mcm | 2:da266f1b2273 | 414 | * · Resolution: +0.125°C ( t_CONV = 130ms typical ) |
mcm | 2:da266f1b2273 | 415 | * · Resolution: +0.0625°C ( power-up default, t_CONV = 250ms typical ) |
mcm | 2:da266f1b2273 | 416 | * @warning N/A. |
mcm | 2:da266f1b2273 | 417 | */ |
mcm | 2:da266f1b2273 | 418 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetResolution ( MCP9808_data_t* myResolution ) |
mcm | 2:da266f1b2273 | 419 | { |
mcm | 2:da266f1b2273 | 420 | char cmd = 0U; |
mcm | 2:da266f1b2273 | 421 | uint32_t aux; |
mcm | 2:da266f1b2273 | 422 | |
mcm | 2:da266f1b2273 | 423 | /* Read the register */ |
mcm | 2:da266f1b2273 | 424 | cmd = MCP9808_RESOLUTION; |
mcm | 2:da266f1b2273 | 425 | aux = _i2c.write ( _MCP9808_Addr, &cmd, 1U, true ); |
mcm | 2:da266f1b2273 | 426 | aux = _i2c.read ( _MCP9808_Addr, &cmd, 1U ); |
mcm | 2:da266f1b2273 | 427 | |
mcm | 2:da266f1b2273 | 428 | /* Mask it and update it with the new value */ |
mcm | 2:da266f1b2273 | 429 | myResolution->resolution = (MCP9808_resolution_t)cmd; |
mcm | 2:da266f1b2273 | 430 | |
mcm | 2:da266f1b2273 | 431 | |
mcm | 2:da266f1b2273 | 432 | |
mcm | 2:da266f1b2273 | 433 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 434 | { |
mcm | 2:da266f1b2273 | 435 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 436 | } |
mcm | 2:da266f1b2273 | 437 | else |
mcm | 2:da266f1b2273 | 438 | { |
mcm | 2:da266f1b2273 | 439 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 440 | } |
mcm | 2:da266f1b2273 | 441 | } |
mcm | 2:da266f1b2273 | 442 | |
mcm | 2:da266f1b2273 | 443 | |
mcm | 2:da266f1b2273 | 444 | |
mcm | 2:da266f1b2273 | 445 | /** |
mcm | 2:da266f1b2273 | 446 | * @brief MCP9808_SetT_Limit ( MCP9808_registers_t, MCP9808_data_t ) |
mcm | 2:da266f1b2273 | 447 | * |
mcm | 2:da266f1b2273 | 448 | * @details It sets temperature limit for: T_UPPER, T_LOWER or T_CRIT. |
mcm | 2:da266f1b2273 | 449 | * |
mcm | 2:da266f1b2273 | 450 | * @param[in] myTLimit: Temperature limit register: T_UPPER, T_LOWER or T_CRIT. |
mcm | 2:da266f1b2273 | 451 | * @param[in] myTValue_Limit: Temperature limit value. |
mcm | 2:da266f1b2273 | 452 | * |
mcm | 2:da266f1b2273 | 453 | * @param[out] N/A. |
mcm | 2:da266f1b2273 | 454 | * |
mcm | 2:da266f1b2273 | 455 | * |
mcm | 2:da266f1b2273 | 456 | * @return Status of MCP9808_SetT_Limit. |
mcm | 2:da266f1b2273 | 457 | * |
mcm | 2:da266f1b2273 | 458 | * |
mcm | 2:da266f1b2273 | 459 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 460 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 461 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 462 | * @pre N/A. |
mcm | 2:da266f1b2273 | 463 | * @warning N/A. |
mcm | 2:da266f1b2273 | 464 | */ |
mcm | 2:da266f1b2273 | 465 | MCP9808::MCP9808_status_t MCP9808::MCP9808_SetT_Limit ( MCP9808_registers_t myTLimit, MCP9808_data_t myTValue_Limit ) |
mcm | 2:da266f1b2273 | 466 | { |
mcm | 2:da266f1b2273 | 467 | char cmd[2] = { 0U }; |
mcm | 2:da266f1b2273 | 468 | int8_t myDecimal = 0U; |
mcm | 3:54515d036e93 | 469 | int8_t myIntegral = 0U; |
mcm | 2:da266f1b2273 | 470 | uint32_t aux; |
mcm | 2:da266f1b2273 | 471 | |
mcm | 2:da266f1b2273 | 472 | /* Only temperature limit registers can keep going */ |
mcm | 2:da266f1b2273 | 473 | if ( ( myTLimit != MCP9808_TUPPER ) || ( myTLimit != MCP9808_TLOWER ) || ( myTLimit != MCP9808_TCRIT ) ) |
mcm | 2:da266f1b2273 | 474 | { |
mcm | 2:da266f1b2273 | 475 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 476 | } |
mcm | 2:da266f1b2273 | 477 | else |
mcm | 2:da266f1b2273 | 478 | { |
mcm | 2:da266f1b2273 | 479 | /* Parse the data */ |
mcm | 2:da266f1b2273 | 480 | myIntegral = (int8_t)myTValue_Limit.t_upper; |
mcm | 3:54515d036e93 | 481 | myDecimal = (uint8_t)( ( myTValue_Limit.t_upper - myIntegral ) * 100.0f ); |
mcm | 2:da266f1b2273 | 482 | |
mcm | 2:da266f1b2273 | 483 | /* Check the decimal part is correct; Valid decimal values: 0.00, 0.25, 0.50 or 0.75 */ |
mcm | 2:da266f1b2273 | 484 | myIntegral <<= 4U; |
mcm | 2:da266f1b2273 | 485 | myDecimal <<= 2U; |
mcm | 2:da266f1b2273 | 486 | if( ( myDecimal != TEMPERATURE_LIMIT_DECIMAL_PART_0_00C ) || ( myDecimal != TEMPERATURE_LIMIT_DECIMAL_PART_0_25C ) || |
mcm | 2:da266f1b2273 | 487 | ( myDecimal != TEMPERATURE_LIMIT_DECIMAL_PART_0_50C ) || ( myDecimal != TEMPERATURE_LIMIT_DECIMAL_PART_0_50C ) ) |
mcm | 2:da266f1b2273 | 488 | { |
mcm | 2:da266f1b2273 | 489 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 490 | } |
mcm | 2:da266f1b2273 | 491 | else |
mcm | 2:da266f1b2273 | 492 | { |
mcm | 2:da266f1b2273 | 493 | /* Update the register with the new value */ |
mcm | 2:da266f1b2273 | 494 | cmd[0] = myTLimit; |
mcm | 2:da266f1b2273 | 495 | cmd[1] = ( myIntegral | myDecimal ); |
mcm | 2:da266f1b2273 | 496 | aux = _i2c.write ( _MCP9808_Addr, &cmd[0], sizeof( cmd )/sizeof( cmd[0] ), false ); |
mcm | 2:da266f1b2273 | 497 | |
mcm | 2:da266f1b2273 | 498 | |
mcm | 2:da266f1b2273 | 499 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 500 | { |
mcm | 2:da266f1b2273 | 501 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 502 | } |
mcm | 2:da266f1b2273 | 503 | else |
mcm | 2:da266f1b2273 | 504 | { |
mcm | 2:da266f1b2273 | 505 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 506 | } |
mcm | 2:da266f1b2273 | 507 | } |
mcm | 2:da266f1b2273 | 508 | } |
mcm | 2:da266f1b2273 | 509 | } |
mcm | 2:da266f1b2273 | 510 | |
mcm | 2:da266f1b2273 | 511 | |
mcm | 2:da266f1b2273 | 512 | |
mcm | 2:da266f1b2273 | 513 | /** |
mcm | 2:da266f1b2273 | 514 | * @brief MCP9808_GetT_Limit ( MCP9808_registers_t, MCP9808_data_t* ) |
mcm | 2:da266f1b2273 | 515 | * |
mcm | 2:da266f1b2273 | 516 | * @details It gets temperature limit for: T_UPPER, T_LOWER or T_CRIT. |
mcm | 2:da266f1b2273 | 517 | * |
mcm | 2:da266f1b2273 | 518 | * @param[in] myTLimit: Temperature limit register: T_UPPER, T_LOWER or T_CRIT. |
mcm | 2:da266f1b2273 | 519 | * |
mcm | 2:da266f1b2273 | 520 | * @param[out] myTValue_Limit: Temperature limit value for the chosen register. |
mcm | 2:da266f1b2273 | 521 | * |
mcm | 2:da266f1b2273 | 522 | * |
mcm | 2:da266f1b2273 | 523 | * @return Status of MCP9808_GetT_Limit. |
mcm | 2:da266f1b2273 | 524 | * |
mcm | 2:da266f1b2273 | 525 | * |
mcm | 2:da266f1b2273 | 526 | * @author Manuel Caballero |
mcm | 2:da266f1b2273 | 527 | * @date 25/April/2019 |
mcm | 2:da266f1b2273 | 528 | * @version 25/April/2019 The ORIGIN |
mcm | 2:da266f1b2273 | 529 | * @pre N/A. |
mcm | 2:da266f1b2273 | 530 | * @warning N/A. |
mcm | 2:da266f1b2273 | 531 | */ |
mcm | 2:da266f1b2273 | 532 | MCP9808::MCP9808_status_t MCP9808::MCP9808_GetT_Limit ( MCP9808_registers_t myTLimit, MCP9808_data_t* myTValue_Limit ) |
mcm | 2:da266f1b2273 | 533 | { |
mcm | 2:da266f1b2273 | 534 | char cmd = 0U; |
mcm | 3:54515d036e93 | 535 | uint8_t myDecimal = 0U; |
mcm | 2:da266f1b2273 | 536 | float myAuxValue = 0U; |
mcm | 2:da266f1b2273 | 537 | uint32_t aux; |
mcm | 2:da266f1b2273 | 538 | |
mcm | 2:da266f1b2273 | 539 | /* Only temperature limit registers can keep going */ |
mcm | 2:da266f1b2273 | 540 | if ( ( myTLimit != MCP9808_TUPPER ) || ( myTLimit != MCP9808_TLOWER ) || ( myTLimit != MCP9808_TCRIT ) ) |
mcm | 2:da266f1b2273 | 541 | { |
mcm | 2:da266f1b2273 | 542 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 543 | } |
mcm | 2:da266f1b2273 | 544 | else |
mcm | 2:da266f1b2273 | 545 | { |
mcm | 2:da266f1b2273 | 546 | /* Read the register */ |
mcm | 2:da266f1b2273 | 547 | cmd = myTLimit; |
mcm | 2:da266f1b2273 | 548 | aux = _i2c.write ( _MCP9808_Addr, &cmd, 1U, true ); |
mcm | 2:da266f1b2273 | 549 | aux = _i2c.read ( _MCP9808_Addr, &cmd, 1U ); |
mcm | 2:da266f1b2273 | 550 | |
mcm | 2:da266f1b2273 | 551 | /* Process the data */ |
mcm | 2:da266f1b2273 | 552 | myAuxValue = (float)( ( cmd & TEMPERATURE_LIMIT_INTEGRAL_PART_MASK ) >> 4U ); |
mcm | 2:da266f1b2273 | 553 | myDecimal = ( ( cmd & TEMPERATURE_LIMIT_DECIMAL_PART_MASK ) >> 2U ); |
mcm | 2:da266f1b2273 | 554 | |
mcm | 2:da266f1b2273 | 555 | /* Process the decimal part */ |
mcm | 2:da266f1b2273 | 556 | for( cmd = ( TEMPERATURE_LIMIT_DECIMAL_PART_0_00C >> 2U ); cmd < myDecimal; cmd++ ) |
mcm | 2:da266f1b2273 | 557 | { |
mcm | 2:da266f1b2273 | 558 | myAuxValue += 0.25f; |
mcm | 2:da266f1b2273 | 559 | } |
mcm | 2:da266f1b2273 | 560 | |
mcm | 2:da266f1b2273 | 561 | /* Parse the data */ |
mcm | 2:da266f1b2273 | 562 | switch( myTLimit ) |
mcm | 2:da266f1b2273 | 563 | { |
mcm | 2:da266f1b2273 | 564 | case MCP9808_TUPPER: |
mcm | 2:da266f1b2273 | 565 | myTValue_Limit->t_upper = (float)myAuxValue; |
mcm | 2:da266f1b2273 | 566 | break; |
mcm | 2:da266f1b2273 | 567 | |
mcm | 2:da266f1b2273 | 568 | case MCP9808_TLOWER: |
mcm | 2:da266f1b2273 | 569 | myTValue_Limit->t_lower = (float)myAuxValue; |
mcm | 2:da266f1b2273 | 570 | break; |
mcm | 2:da266f1b2273 | 571 | |
mcm | 2:da266f1b2273 | 572 | case MCP9808_TCRIT: |
mcm | 2:da266f1b2273 | 573 | myTValue_Limit->t_crit = (float)myAuxValue; |
mcm | 2:da266f1b2273 | 574 | break; |
mcm | 2:da266f1b2273 | 575 | |
mcm | 2:da266f1b2273 | 576 | default: |
mcm | 2:da266f1b2273 | 577 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 578 | } |
mcm | 2:da266f1b2273 | 579 | |
mcm | 2:da266f1b2273 | 580 | |
mcm | 2:da266f1b2273 | 581 | |
mcm | 2:da266f1b2273 | 582 | if ( aux == I2C_SUCCESS ) |
mcm | 2:da266f1b2273 | 583 | { |
mcm | 2:da266f1b2273 | 584 | return MCP9808_SUCCESS; |
mcm | 2:da266f1b2273 | 585 | } |
mcm | 2:da266f1b2273 | 586 | else |
mcm | 2:da266f1b2273 | 587 | { |
mcm | 2:da266f1b2273 | 588 | return MCP9808_FAILURE; |
mcm | 2:da266f1b2273 | 589 | } |
mcm | 2:da266f1b2273 | 590 | } |
mcm | 2:da266f1b2273 | 591 | } |