etienne maillet / Mbed 2 deprecated MERGE

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Dependencies:   IESE5_merge mbed CCS811 BME680

main.cpp@0:5daf3ccf0e38, 2019-02-19 (annotated)

Committer:
etiene32
Date:
Tue Feb 19 10:22:33 2019 +0000
Revision:
0:5daf3ccf0e38
huehuehue

Who changed what in which revision?

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etiene32 0:5daf3ccf0e38 1 #include "mbed.h"
etiene32 0:5daf3ccf0e38 2 #include "BME680.h"
etiene32 0:5daf3ccf0e38 3 #include "CCS811.h"
etiene32 0:5daf3ccf0e38 4 #include "Adafruit_SGP30.h"
etiene32 0:5daf3ccf0e38 5
etiene32 0:5daf3ccf0e38 6 BME680 myBME680 (A4, A5, 400000 );
etiene32 0:5daf3ccf0e38 7 Adafruit_SGP30 SGP30(D14, D15);
etiene32 0:5daf3ccf0e38 8 CCS811 ccs811(D14, D15);
etiene32 0:5daf3ccf0e38 9
etiene32 0:5daf3ccf0e38 10 uint16_t eco2, tvoc;
etiene32 0:5daf3ccf0e38 11
etiene32 0:5daf3ccf0e38 12 Serial pc ( USBTX, USBRX );
etiene32 0:5daf3ccf0e38 13
etiene32 0:5daf3ccf0e38 14 DigitalOut myled ( LED1 );
etiene32 0:5daf3ccf0e38 15 Ticker newReading;
etiene32 0:5daf3ccf0e38 16
etiene32 0:5daf3ccf0e38 17 uint32_t myState = 0;
etiene32 0:5daf3ccf0e38 18
etiene32 0:5daf3ccf0e38 19
etiene32 0:5daf3ccf0e38 20 //@brief FUNCTION PROTOTYPES
etiene32 0:5daf3ccf0e38 21 void changeDATA ( void );
etiene32 0:5daf3ccf0e38 22 void user_delay_ms ( uint32_t period );
etiene32 0:5daf3ccf0e38 23 int8_t user_i2c_read ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len );
etiene32 0:5daf3ccf0e38 24 int8_t user_i2c_write ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len );
etiene32 0:5daf3ccf0e38 25
etiene32 0:5daf3ccf0e38 26
etiene32 0:5daf3ccf0e38 27 //@brief FUNCTION FOR APPLICATION MAIN ENTRY.
etiene32 0:5daf3ccf0e38 28 int main()
etiene32 0:5daf3ccf0e38 29 {
etiene32 0:5daf3ccf0e38 30 pc.baud ( 9600 );
etiene32 0:5daf3ccf0e38 31
etiene32 0:5daf3ccf0e38 32 myled = 1;
etiene32 0:5daf3ccf0e38 33 wait(3);
etiene32 0:5daf3ccf0e38 34 myled = 0;
etiene32 0:5daf3ccf0e38 35 ccs811.init();
etiene32 0:5daf3ccf0e38 36 SGP30.begin();
etiene32 0:5daf3ccf0e38 37 SGP30.IAQinit();
etiene32 0:5daf3ccf0e38 38
etiene32 0:5daf3ccf0e38 39
etiene32 0:5daf3ccf0e38 40 struct bme680_dev gas_sensor;
etiene32 0:5daf3ccf0e38 41
etiene32 0:5daf3ccf0e38 42 gas_sensor.dev_id = BME680_I2C_ADDR_PRIMARY;
etiene32 0:5daf3ccf0e38 43 gas_sensor.intf = BME680_I2C_INTF;
etiene32 0:5daf3ccf0e38 44 gas_sensor.read = user_i2c_read;
etiene32 0:5daf3ccf0e38 45 gas_sensor.write = user_i2c_write;
etiene32 0:5daf3ccf0e38 46 gas_sensor.delay_ms = user_delay_ms;
etiene32 0:5daf3ccf0e38 47 // amb_temp can be set to 25 prior to configuring the gas sensor
etiene32 0:5daf3ccf0e38 48 // or by performing a few temperature readings without operating the gas sensor.
etiene32 0:5daf3ccf0e38 49 gas_sensor.amb_temp = 25;
etiene32 0:5daf3ccf0e38 50
etiene32 0:5daf3ccf0e38 51
etiene32 0:5daf3ccf0e38 52 int8_t rslt = BME680_OK;
etiene32 0:5daf3ccf0e38 53 rslt = myBME680.bme680_init ( &gas_sensor );
etiene32 0:5daf3ccf0e38 54
etiene32 0:5daf3ccf0e38 55
etiene32 0:5daf3ccf0e38 56 uint8_t set_required_settings;
etiene32 0:5daf3ccf0e38 57
etiene32 0:5daf3ccf0e38 58 // Set the temperature, pressure and humidity settings
etiene32 0:5daf3ccf0e38 59 gas_sensor.tph_sett.os_hum = BME680_OS_2X;
etiene32 0:5daf3ccf0e38 60 gas_sensor.tph_sett.os_pres = BME680_OS_4X;
etiene32 0:5daf3ccf0e38 61 gas_sensor.tph_sett.os_temp = BME680_OS_8X;
etiene32 0:5daf3ccf0e38 62 gas_sensor.tph_sett.filter = BME680_FILTER_SIZE_3;
etiene32 0:5daf3ccf0e38 63
etiene32 0:5daf3ccf0e38 64 // Set the remaining gas sensor settings and link the heating profile
etiene32 0:5daf3ccf0e38 65 gas_sensor.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS;
etiene32 0:5daf3ccf0e38 66 // Create a ramp heat waveform in 3 steps
etiene32 0:5daf3ccf0e38 67 gas_sensor.gas_sett.heatr_temp = 320; // degree Celsius
etiene32 0:5daf3ccf0e38 68 gas_sensor.gas_sett.heatr_dur = 150; // milliseconds
etiene32 0:5daf3ccf0e38 69
etiene32 0:5daf3ccf0e38 70 // Select the power mode
etiene32 0:5daf3ccf0e38 71 // Must be set before writing the sensor configuration
etiene32 0:5daf3ccf0e38 72 gas_sensor.power_mode = BME680_FORCED_MODE;
etiene32 0:5daf3ccf0e38 73
etiene32 0:5daf3ccf0e38 74 // Set the required sensor settings needed
etiene32 0:5daf3ccf0e38 75 set_required_settings = BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_FILTER_SEL | BME680_GAS_SENSOR_SEL;
etiene32 0:5daf3ccf0e38 76
etiene32 0:5daf3ccf0e38 77 // Set the desired sensor configuration
etiene32 0:5daf3ccf0e38 78 rslt = myBME680.bme680_set_sensor_settings ( set_required_settings, &gas_sensor );
etiene32 0:5daf3ccf0e38 79
etiene32 0:5daf3ccf0e38 80 // Set the power mode
etiene32 0:5daf3ccf0e38 81 rslt = myBME680.bme680_set_sensor_mode ( &gas_sensor );
etiene32 0:5daf3ccf0e38 82
etiene32 0:5daf3ccf0e38 83
etiene32 0:5daf3ccf0e38 84 // Get the total measurement duration so as to sleep or wait till the measurement is complete
etiene32 0:5daf3ccf0e38 85 uint16_t meas_period;
etiene32 0:5daf3ccf0e38 86 myBME680.bme680_get_profile_dur ( &meas_period, &gas_sensor );
etiene32 0:5daf3ccf0e38 87
etiene32 0:5daf3ccf0e38 88 struct bme680_field_data data;
etiene32 0:5daf3ccf0e38 89
etiene32 0:5daf3ccf0e38 90
etiene32 0:5daf3ccf0e38 91 newReading.attach( &changeDATA, 1 ); // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
etiene32 0:5daf3ccf0e38 92
etiene32 0:5daf3ccf0e38 93 // Let the callbacks take care of everything
etiene32 0:5daf3ccf0e38 94 while(1) {
etiene32 0:5daf3ccf0e38 95 sleep();
etiene32 0:5daf3ccf0e38 96
etiene32 0:5daf3ccf0e38 97 myled = 1;
etiene32 0:5daf3ccf0e38 98
etiene32 0:5daf3ccf0e38 99 if ( myState == 1 ) {
etiene32 0:5daf3ccf0e38 100 // Delay till the measurement is ready
etiene32 0:5daf3ccf0e38 101 user_delay_ms ( meas_period );
etiene32 0:5daf3ccf0e38 102 SGP30.IAQmeasure();
etiene32 0:5daf3ccf0e38 103 //printf("SGP30 %d,%d\r\n",SGP30.eCO2,SGP30.TVOC);
etiene32 0:5daf3ccf0e38 104 ccs811.readData(&eco2, &tvoc);
etiene32 0:5daf3ccf0e38 105 //printf("eCO2 reading :%dppm, TVOC reading :%dppb\r\n", eco2, tvoc);
etiene32 0:5daf3ccf0e38 106 rslt = myBME680.bme680_get_sensor_data ( &data, &gas_sensor );
etiene32 0:5daf3ccf0e38 107
etiene32 0:5daf3ccf0e38 108 // Prepare the data to be sent through the UART. NOTE: sprintf does NOT allow float numbers, that is why we round the number and plot them as integer
etiene32 0:5daf3ccf0e38 109 // Avoid using measurements from an unstable heating setup
etiene32 0:5daf3ccf0e38 110 if ( data.status & BME680_GASM_VALID_MSK ) {
etiene32 0:5daf3ccf0e38 111 //pc.printf( "T: %.2f degC, P: %.2f hPa, H %.2f %%rH, G: %d ohms\r\n", ( data.temperature/100.0f ), ( data.pressure / 100.0f ), ( data.humidity / 1000.0f ), data.gas_resistance );
etiene32 0:5daf3ccf0e38 112 //BME680 : Degres, Pression, Humidité, Voc ; SGO30 : eCO2, TVOC ; CCS811 : eco2, tvoc
etiene32 0:5daf3ccf0e38 113 pc.printf( "%.2f;%.2f;%.2f;%d;%d;%d;%d;%d\r\n", ( data.temperature/100.0f ), ( data.pressure / 100.0f ), ( data.humidity / 1000.0f ), data.gas_resistance,SGP30.eCO2,SGP30.TVOC, eco2, tvoc);
etiene32 0:5daf3ccf0e38 114
etiene32 0:5daf3ccf0e38 115 } else {
etiene32 0:5daf3ccf0e38 116 pc.printf( "T: %.2f degC, P: %.2f hPa, H %.2f %%rH\r\n", ( data.temperature/100.0f ), ( data.pressure / 100.0f ), ( data.humidity / 1000.0f ) );
etiene32 0:5daf3ccf0e38 117 }
etiene32 0:5daf3ccf0e38 118
etiene32 0:5daf3ccf0e38 119
etiene32 0:5daf3ccf0e38 120 // Trigger the next measurement if you would like to read data out continuously
etiene32 0:5daf3ccf0e38 121 if ( gas_sensor.power_mode == BME680_FORCED_MODE ) {
etiene32 0:5daf3ccf0e38 122 rslt = myBME680.bme680_set_sensor_mode ( &gas_sensor );
etiene32 0:5daf3ccf0e38 123 }
etiene32 0:5daf3ccf0e38 124
etiene32 0:5daf3ccf0e38 125 myState = 0; // Reset the variable
etiene32 0:5daf3ccf0e38 126 }
etiene32 0:5daf3ccf0e38 127
etiene32 0:5daf3ccf0e38 128 myled = 0;
etiene32 0:5daf3ccf0e38 129 }
etiene32 0:5daf3ccf0e38 130 }
etiene32 0:5daf3ccf0e38 131
etiene32 0:5daf3ccf0e38 132
etiene32 0:5daf3ccf0e38 133
etiene32 0:5daf3ccf0e38 134
etiene32 0:5daf3ccf0e38 135 // @brief changeDATA ( void )
etiene32 0:5daf3ccf0e38 136 //
etiene32 0:5daf3ccf0e38 137 // @details It changes myState variable
etiene32 0:5daf3ccf0e38 138 //
etiene32 0:5daf3ccf0e38 139 // @param[in] N/A
etiene32 0:5daf3ccf0e38 140 //
etiene32 0:5daf3ccf0e38 141 // @param[out] N/A.
etiene32 0:5daf3ccf0e38 142 //
etiene32 0:5daf3ccf0e38 143 //
etiene32 0:5daf3ccf0e38 144 // @return N/A..
etiene32 0:5daf3ccf0e38 145 //
etiene32 0:5daf3ccf0e38 146 //
etiene32 0:5daf3ccf0e38 147 // @author Manuel Caballero
etiene32 0:5daf3ccf0e38 148 // @date 21/July/2018
etiene32 0:5daf3ccf0e38 149 // @version 21/July/2018 The ORIGIN
etiene32 0:5daf3ccf0e38 150 // @pre N/A
etiene32 0:5daf3ccf0e38 151 // @warning N/A.
etiene32 0:5daf3ccf0e38 152 void changeDATA ( void )
etiene32 0:5daf3ccf0e38 153 {
etiene32 0:5daf3ccf0e38 154 myState = 1;
etiene32 0:5daf3ccf0e38 155 }
etiene32 0:5daf3ccf0e38 156
etiene32 0:5daf3ccf0e38 157
etiene32 0:5daf3ccf0e38 158
etiene32 0:5daf3ccf0e38 159 // @brief user_delay_ms ( uint32_t )
etiene32 0:5daf3ccf0e38 160 //
etiene32 0:5daf3ccf0e38 161 // @details Return control or wait, for a period amount of milliseconds
etiene32 0:5daf3ccf0e38 162 //
etiene32 0:5daf3ccf0e38 163 // @param[in] period: Delay in milliseconds.
etiene32 0:5daf3ccf0e38 164 //
etiene32 0:5daf3ccf0e38 165 // @param[out] N/A.
etiene32 0:5daf3ccf0e38 166 //
etiene32 0:5daf3ccf0e38 167 //
etiene32 0:5daf3ccf0e38 168 // @return N/A..
etiene32 0:5daf3ccf0e38 169 //
etiene32 0:5daf3ccf0e38 170 //
etiene32 0:5daf3ccf0e38 171 // @author Manuel Caballero
etiene32 0:5daf3ccf0e38 172 // @date 21/July/2018
etiene32 0:5daf3ccf0e38 173 // @version 21/July/2018 The ORIGIN
etiene32 0:5daf3ccf0e38 174 // @pre This is a Bosh pointer function adapted to our system.
etiene32 0:5daf3ccf0e38 175 // @warning N/A.
etiene32 0:5daf3ccf0e38 176 void user_delay_ms ( uint32_t period )
etiene32 0:5daf3ccf0e38 177 {
etiene32 0:5daf3ccf0e38 178 // Return control or wait,
etiene32 0:5daf3ccf0e38 179 // for a period amount of milliseconds
etiene32 0:5daf3ccf0e38 180
etiene32 0:5daf3ccf0e38 181 wait_ms ( period );
etiene32 0:5daf3ccf0e38 182 }
etiene32 0:5daf3ccf0e38 183
etiene32 0:5daf3ccf0e38 184
etiene32 0:5daf3ccf0e38 185
etiene32 0:5daf3ccf0e38 186 // @brief user_i2c_read ( uint8_t , uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
etiene32 0:5daf3ccf0e38 187 //
etiene32 0:5daf3ccf0e38 188 // @details It adapts I2C reading functionality.
etiene32 0:5daf3ccf0e38 189 //
etiene32 0:5daf3ccf0e38 190 // @param[in] dev_id: I2C address.
etiene32 0:5daf3ccf0e38 191 // @param[in] reg_addr: Register to be read.
etiene32 0:5daf3ccf0e38 192 // @param[in] len: How many bytes to read.
etiene32 0:5daf3ccf0e38 193 //
etiene32 0:5daf3ccf0e38 194 // @param[out] reg_data: Result.
etiene32 0:5daf3ccf0e38 195 //
etiene32 0:5daf3ccf0e38 196 //
etiene32 0:5daf3ccf0e38 197 // @return Status of user_i2c_read.
etiene32 0:5daf3ccf0e38 198 //
etiene32 0:5daf3ccf0e38 199 //
etiene32 0:5daf3ccf0e38 200 // @author Manuel Caballero
etiene32 0:5daf3ccf0e38 201 // @date 21/July/2018
etiene32 0:5daf3ccf0e38 202 // @version 21/July/2018 The ORIGIN
etiene32 0:5daf3ccf0e38 203 // @pre This is a Bosh pointer function adapted to our system.
etiene32 0:5daf3ccf0e38 204 // @warning N/A.
etiene32 0:5daf3ccf0e38 205 int8_t user_i2c_read ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
etiene32 0:5daf3ccf0e38 206 {
etiene32 0:5daf3ccf0e38 207 int8_t rslt = 0; // Return 0 for Success, non-zero for failure
etiene32 0:5daf3ccf0e38 208
etiene32 0:5daf3ccf0e38 209 // The parameter dev_id can be used as a variable to store the I2C address of the device
etiene32 0:5daf3ccf0e38 210
etiene32 0:5daf3ccf0e38 211
etiene32 0:5daf3ccf0e38 212 // Data on the bus should be like
etiene32 0:5daf3ccf0e38 213 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 214 // | I2C action | Data |
etiene32 0:5daf3ccf0e38 215 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 216 // | Start | - |
etiene32 0:5daf3ccf0e38 217 // | Write | (reg_addr) |
etiene32 0:5daf3ccf0e38 218 // | Stop | - |
etiene32 0:5daf3ccf0e38 219 // | Start | - |
etiene32 0:5daf3ccf0e38 220 // | Read | (reg_data[0]) |
etiene32 0:5daf3ccf0e38 221 // | Read | (....) |
etiene32 0:5daf3ccf0e38 222 // | Read | (reg_data[len - 1]) |
etiene32 0:5daf3ccf0e38 223 // | Stop | - |
etiene32 0:5daf3ccf0e38 224 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 225
etiene32 0:5daf3ccf0e38 226 // Read data
etiene32 0:5daf3ccf0e38 227 uint32_t aux = 0;
etiene32 0:5daf3ccf0e38 228 aux = myBME680._i2c.write ( dev_id, (char*)&reg_addr, 1, true );
etiene32 0:5daf3ccf0e38 229 aux = myBME680._i2c.read ( dev_id, (char*)&reg_data[0], len );
etiene32 0:5daf3ccf0e38 230
etiene32 0:5daf3ccf0e38 231
etiene32 0:5daf3ccf0e38 232
etiene32 0:5daf3ccf0e38 233 if ( aux == 0 ) {
etiene32 0:5daf3ccf0e38 234 rslt = 0;
etiene32 0:5daf3ccf0e38 235 } else {
etiene32 0:5daf3ccf0e38 236 rslt = 0xFF;
etiene32 0:5daf3ccf0e38 237 }
etiene32 0:5daf3ccf0e38 238
etiene32 0:5daf3ccf0e38 239
etiene32 0:5daf3ccf0e38 240 return rslt;
etiene32 0:5daf3ccf0e38 241 }
etiene32 0:5daf3ccf0e38 242
etiene32 0:5daf3ccf0e38 243
etiene32 0:5daf3ccf0e38 244
etiene32 0:5daf3ccf0e38 245
etiene32 0:5daf3ccf0e38 246 // @brief user_i2c_write ( uint8_t , uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
etiene32 0:5daf3ccf0e38 247 //
etiene32 0:5daf3ccf0e38 248 // @details It adapts I2C writing functionality.
etiene32 0:5daf3ccf0e38 249 //
etiene32 0:5daf3ccf0e38 250 // @param[in] dev_id: I2C address.
etiene32 0:5daf3ccf0e38 251 // @param[in] reg_addr: Register to be read.
etiene32 0:5daf3ccf0e38 252 // @param[out] reg_data: Data to be written.
etiene32 0:5daf3ccf0e38 253 // @param[in] len: How many bytes to read.
etiene32 0:5daf3ccf0e38 254 //
etiene32 0:5daf3ccf0e38 255 // @param[out] N/A.
etiene32 0:5daf3ccf0e38 256 //
etiene32 0:5daf3ccf0e38 257 //
etiene32 0:5daf3ccf0e38 258 // @return Status of user_i2c_write.
etiene32 0:5daf3ccf0e38 259 //
etiene32 0:5daf3ccf0e38 260 //
etiene32 0:5daf3ccf0e38 261 // @author Manuel Caballero
etiene32 0:5daf3ccf0e38 262 // @date 21/July/2018
etiene32 0:5daf3ccf0e38 263 // @version 21/July/2018 The ORIGIN
etiene32 0:5daf3ccf0e38 264 // @pre This is a Bosh pointer function adapted to our system.
etiene32 0:5daf3ccf0e38 265 // @warning N/A.
etiene32 0:5daf3ccf0e38 266 int8_t user_i2c_write ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
etiene32 0:5daf3ccf0e38 267 {
etiene32 0:5daf3ccf0e38 268 int8_t rslt = 0; // Return 0 for Success, non-zero for failure
etiene32 0:5daf3ccf0e38 269
etiene32 0:5daf3ccf0e38 270 // The parameter dev_id can be used as a variable to store the I2C address of the device
etiene32 0:5daf3ccf0e38 271
etiene32 0:5daf3ccf0e38 272
etiene32 0:5daf3ccf0e38 273 // Data on the bus should be like
etiene32 0:5daf3ccf0e38 274 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 275 // | I2C action | Data |
etiene32 0:5daf3ccf0e38 276 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 277 // | Start | - |
etiene32 0:5daf3ccf0e38 278 // | Write | (reg_addr) |
etiene32 0:5daf3ccf0e38 279 // | Write | (reg_data[0]) |
etiene32 0:5daf3ccf0e38 280 // | Write | (....) |
etiene32 0:5daf3ccf0e38 281 // | Write | (reg_data[len - 1]) |
etiene32 0:5daf3ccf0e38 282 // | Stop | - |
etiene32 0:5daf3ccf0e38 283 // |------------+---------------------|
etiene32 0:5daf3ccf0e38 284
etiene32 0:5daf3ccf0e38 285 uint32_t aux = 0;
etiene32 0:5daf3ccf0e38 286 char cmd[16] = { 0 };
etiene32 0:5daf3ccf0e38 287 uint32_t i = 0;
etiene32 0:5daf3ccf0e38 288
etiene32 0:5daf3ccf0e38 289 // Prepare the data to be sent
etiene32 0:5daf3ccf0e38 290 cmd[0] = reg_addr;
etiene32 0:5daf3ccf0e38 291 for ( i = 1; i <= len; i++ ) {
etiene32 0:5daf3ccf0e38 292 cmd[i] = reg_data[i - 1];
etiene32 0:5daf3ccf0e38 293 }
etiene32 0:5daf3ccf0e38 294
etiene32 0:5daf3ccf0e38 295 // Write data
etiene32 0:5daf3ccf0e38 296 aux = myBME680._i2c.write ( dev_id, &cmd[0], len + 1, false );
etiene32 0:5daf3ccf0e38 297
etiene32 0:5daf3ccf0e38 298
etiene32 0:5daf3ccf0e38 299
etiene32 0:5daf3ccf0e38 300 if ( aux == 0 ) {
etiene32 0:5daf3ccf0e38 301 rslt = 0;
etiene32 0:5daf3ccf0e38 302 } else {
etiene32 0:5daf3ccf0e38 303 rslt = 0xFF;
etiene32 0:5daf3ccf0e38 304 }
etiene32 0:5daf3ccf0e38 305
etiene32 0:5daf3ccf0e38 306
etiene32 0:5daf3ccf0e38 307 return rslt;
etiene32 0:5daf3ccf0e38 308 }