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Dependencies: IESE5_merge mbed CCS811 BME680
Revision 0:5daf3ccf0e38, committed 2019-02-19
- Comitter:
- etiene32
- Date:
- Tue Feb 19 10:22:33 2019 +0000
- Commit message:
- huehuehue
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_SGP30_mbed.lib Tue Feb 19 10:22:33 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/etiene32/code/IESE5_merge/#ba856ab1ea97
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BME680.lib Tue Feb 19 10:22:33 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mcm/code/BME680/#8aefe9304f85
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CCS811.lib Tue Feb 19 10:22:33 2019 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/andcor02/code/CCS811/#64a96d555ef0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Feb 19 10:22:33 2019 +0000
@@ -0,0 +1,308 @@
+#include "mbed.h"
+#include "BME680.h"
+#include "CCS811.h"
+#include "Adafruit_SGP30.h"
+
+BME680 myBME680 (A4, A5, 400000 );
+Adafruit_SGP30 SGP30(D14, D15);
+CCS811 ccs811(D14, D15);
+
+uint16_t eco2, tvoc;
+
+Serial pc ( USBTX, USBRX );
+
+DigitalOut myled ( LED1 );
+Ticker newReading;
+
+uint32_t myState = 0;
+
+
+//@brief FUNCTION PROTOTYPES
+void changeDATA ( void );
+void user_delay_ms ( uint32_t period );
+int8_t user_i2c_read ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len );
+int8_t user_i2c_write ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len );
+
+
+//@brief FUNCTION FOR APPLICATION MAIN ENTRY.
+int main()
+{
+ pc.baud ( 9600 );
+
+ myled = 1;
+ wait(3);
+ myled = 0;
+ ccs811.init();
+ SGP30.begin();
+ SGP30.IAQinit();
+
+
+ struct bme680_dev gas_sensor;
+
+ gas_sensor.dev_id = BME680_I2C_ADDR_PRIMARY;
+ gas_sensor.intf = BME680_I2C_INTF;
+ gas_sensor.read = user_i2c_read;
+ gas_sensor.write = user_i2c_write;
+ gas_sensor.delay_ms = user_delay_ms;
+ // amb_temp can be set to 25 prior to configuring the gas sensor
+ // or by performing a few temperature readings without operating the gas sensor.
+ gas_sensor.amb_temp = 25;
+
+
+ int8_t rslt = BME680_OK;
+ rslt = myBME680.bme680_init ( &gas_sensor );
+
+
+ uint8_t set_required_settings;
+
+ // Set the temperature, pressure and humidity settings
+ gas_sensor.tph_sett.os_hum = BME680_OS_2X;
+ gas_sensor.tph_sett.os_pres = BME680_OS_4X;
+ gas_sensor.tph_sett.os_temp = BME680_OS_8X;
+ gas_sensor.tph_sett.filter = BME680_FILTER_SIZE_3;
+
+ // Set the remaining gas sensor settings and link the heating profile
+ gas_sensor.gas_sett.run_gas = BME680_ENABLE_GAS_MEAS;
+ // Create a ramp heat waveform in 3 steps
+ gas_sensor.gas_sett.heatr_temp = 320; // degree Celsius
+ gas_sensor.gas_sett.heatr_dur = 150; // milliseconds
+
+ // Select the power mode
+ // Must be set before writing the sensor configuration
+ gas_sensor.power_mode = BME680_FORCED_MODE;
+
+ // Set the required sensor settings needed
+ set_required_settings = BME680_OST_SEL | BME680_OSP_SEL | BME680_OSH_SEL | BME680_FILTER_SEL | BME680_GAS_SENSOR_SEL;
+
+ // Set the desired sensor configuration
+ rslt = myBME680.bme680_set_sensor_settings ( set_required_settings, &gas_sensor );
+
+ // Set the power mode
+ rslt = myBME680.bme680_set_sensor_mode ( &gas_sensor );
+
+
+ // Get the total measurement duration so as to sleep or wait till the measurement is complete
+ uint16_t meas_period;
+ myBME680.bme680_get_profile_dur ( &meas_period, &gas_sensor );
+
+ struct bme680_field_data data;
+
+
+ newReading.attach( &changeDATA, 1 ); // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+
+ // Let the callbacks take care of everything
+ while(1) {
+ sleep();
+
+ myled = 1;
+
+ if ( myState == 1 ) {
+ // Delay till the measurement is ready
+ user_delay_ms ( meas_period );
+ SGP30.IAQmeasure();
+ //printf("SGP30 %d,%d\r\n",SGP30.eCO2,SGP30.TVOC);
+ ccs811.readData(&eco2, &tvoc);
+ //printf("eCO2 reading :%dppm, TVOC reading :%dppb\r\n", eco2, tvoc);
+ rslt = myBME680.bme680_get_sensor_data ( &data, &gas_sensor );
+
+ // 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
+ // Avoid using measurements from an unstable heating setup
+ if ( data.status & BME680_GASM_VALID_MSK ) {
+ //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 );
+ //BME680 : Degres, Pression, Humidité, Voc ; SGO30 : eCO2, TVOC ; CCS811 : eco2, tvoc
+ 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);
+
+ } else {
+ 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 ) );
+ }
+
+
+ // Trigger the next measurement if you would like to read data out continuously
+ if ( gas_sensor.power_mode == BME680_FORCED_MODE ) {
+ rslt = myBME680.bme680_set_sensor_mode ( &gas_sensor );
+ }
+
+ myState = 0; // Reset the variable
+ }
+
+ myled = 0;
+ }
+}
+
+
+
+
+ // @brief changeDATA ( void )
+ //
+ // @details It changes myState variable
+ //
+ // @param[in] N/A
+ //
+ // @param[out] N/A.
+ //
+ //
+ // @return N/A..
+ //
+ //
+ // @author Manuel Caballero
+ // @date 21/July/2018
+ // @version 21/July/2018 The ORIGIN
+ // @pre N/A
+ // @warning N/A.
+void changeDATA ( void )
+{
+ myState = 1;
+}
+
+
+
+ // @brief user_delay_ms ( uint32_t )
+ //
+ // @details Return control or wait, for a period amount of milliseconds
+ //
+ // @param[in] period: Delay in milliseconds.
+ //
+ // @param[out] N/A.
+ //
+ //
+ // @return N/A..
+ //
+ //
+ // @author Manuel Caballero
+ // @date 21/July/2018
+ // @version 21/July/2018 The ORIGIN
+ // @pre This is a Bosh pointer function adapted to our system.
+ // @warning N/A.
+void user_delay_ms ( uint32_t period )
+{
+ // Return control or wait,
+ // for a period amount of milliseconds
+
+ wait_ms ( period );
+}
+
+
+
+ // @brief user_i2c_read ( uint8_t , uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
+ //
+ // @details It adapts I2C reading functionality.
+ //
+ // @param[in] dev_id: I2C address.
+ // @param[in] reg_addr: Register to be read.
+ // @param[in] len: How many bytes to read.
+ //
+ // @param[out] reg_data: Result.
+ //
+ //
+ // @return Status of user_i2c_read.
+ //
+ //
+ // @author Manuel Caballero
+ // @date 21/July/2018
+ // @version 21/July/2018 The ORIGIN
+ // @pre This is a Bosh pointer function adapted to our system.
+ // @warning N/A.
+int8_t user_i2c_read ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
+{
+ int8_t rslt = 0; // Return 0 for Success, non-zero for failure
+
+ // The parameter dev_id can be used as a variable to store the I2C address of the device
+
+
+ // Data on the bus should be like
+ // |------------+---------------------|
+ // | I2C action | Data |
+ // |------------+---------------------|
+ // | Start | - |
+ // | Write | (reg_addr) |
+ // | Stop | - |
+ // | Start | - |
+ // | Read | (reg_data[0]) |
+ // | Read | (....) |
+ // | Read | (reg_data[len - 1]) |
+ // | Stop | - |
+ // |------------+---------------------|
+
+ // Read data
+ uint32_t aux = 0;
+ aux = myBME680._i2c.write ( dev_id, (char*)®_addr, 1, true );
+ aux = myBME680._i2c.read ( dev_id, (char*)®_data[0], len );
+
+
+
+ if ( aux == 0 ) {
+ rslt = 0;
+ } else {
+ rslt = 0xFF;
+ }
+
+
+ return rslt;
+}
+
+
+
+
+ // @brief user_i2c_write ( uint8_t , uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
+ //
+ // @details It adapts I2C writing functionality.
+ //
+ // @param[in] dev_id: I2C address.
+ // @param[in] reg_addr: Register to be read.
+ // @param[out] reg_data: Data to be written.
+ // @param[in] len: How many bytes to read.
+ //
+ // @param[out] N/A.
+ //
+ //
+ // @return Status of user_i2c_write.
+ //
+ //
+ // @author Manuel Caballero
+ // @date 21/July/2018
+ // @version 21/July/2018 The ORIGIN
+ // @pre This is a Bosh pointer function adapted to our system.
+ // @warning N/A.
+int8_t user_i2c_write ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
+{
+ int8_t rslt = 0; // Return 0 for Success, non-zero for failure
+
+ // The parameter dev_id can be used as a variable to store the I2C address of the device
+
+
+ // Data on the bus should be like
+ // |------------+---------------------|
+ // | I2C action | Data |
+ // |------------+---------------------|
+ // | Start | - |
+ // | Write | (reg_addr) |
+ // | Write | (reg_data[0]) |
+ // | Write | (....) |
+ // | Write | (reg_data[len - 1]) |
+ // | Stop | - |
+ // |------------+---------------------|
+
+ uint32_t aux = 0;
+ char cmd[16] = { 0 };
+ uint32_t i = 0;
+
+ // Prepare the data to be sent
+ cmd[0] = reg_addr;
+ for ( i = 1; i <= len; i++ ) {
+ cmd[i] = reg_data[i - 1];
+ }
+
+ // Write data
+ aux = myBME680._i2c.write ( dev_id, &cmd[0], len + 1, false );
+
+
+
+ if ( aux == 0 ) {
+ rslt = 0;
+ } else {
+ rslt = 0xFF;
+ }
+
+
+ return rslt;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 19 10:22:33 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file