Exluding ZMOD

Dependencies:   iAQ_Core Adafruit_SGP30_mbed mbed BME680

Files at this revision

API Documentation at this revision

Comitter:
christodoulos
Date:
Fri May 29 11:28:45 2020 +0000
Parent:
5:44f7dbc5c75d
Commit message:
Excluding ZMOD;

Changed in this revision

Adafruit_SGP30_mbed.lib Show annotated file Show diff for this revision Revisions of this file
BME680.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 44f7dbc5c75d -r 96de1304b9e7 Adafruit_SGP30_mbed.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_SGP30_mbed.lib	Fri May 29 11:28:45 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/ndrs_cwt/code/Adafruit_SGP30_mbed/#41a622cdd86d
diff -r 44f7dbc5c75d -r 96de1304b9e7 BME680.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BME680.lib	Fri May 29 11:28:45 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mcm/code/BME680/#8aefe9304f85
diff -r 44f7dbc5c75d -r 96de1304b9e7 main.cpp
--- a/main.cpp	Fri May 01 14:31:45 2020 +0000
+++ b/main.cpp	Fri May 29 11:28:45 2020 +0000
@@ -1,61 +1,199 @@
 #include "mbed.h"
 #include "iAQ_Core.h"
-
-iAQ_Core myiAQ_Core ( PB_11,PB_10, iAQ_Core::iAQ_Core_ADDRESS );
+#include "Adafruit_SGP30.h"
+#include"BME680.h"
+BME680 myBME680     ( PC_1,PC_0, 400000 ); //BME680
+iAQ_Core myiAQ_Core ( PB_11_ALT0,PB_10_ALT0, iAQ_Core::iAQ_Core_ADDRESS ); //iAQ-Core C
+Adafruit_SGP30 sgp30(PB_14,PB_13); // SGP30    
+I2C ZMODtemp(PB_9, PB_8); //ZMOD and Si7050
 Serial ble(PC_12,PD_2);
 
-Ticker      newReading;
-
 iAQ_Core::iAQ_Core_status_t  aux;
 iAQ_Core::iAQ_Core_data_t    myiAQ_Core_data;
-uint32_t                     myState = 0;
+
+///BME680 EXTRA FUNCTIONS///
+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 );
 
 void changeDATA ( void )
 {
     myState = 1;
 }
 
+void user_delay_ms ( uint32_t period )
+{
+    wait( 0.01 );
+}
 
-int main()
+int8_t user_i2c_read ( uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len )
 {
-    ble.baud(9600);
-    
-    uint32_t myWarmUpCounter  =   0;
+    int8_t rslt = 0; // Return 0 for Success, non-zero for failure
+
+    uint32_t aux     =   0;
+    aux      =   myBME680._i2c.write ( dev_id, (char*)&reg_addr, 1, true );
+    aux      =   myBME680._i2c.read  ( dev_id, (char*)&reg_data[0], len );
+
+
+
+    if ( aux == 0 ) {
+        rslt     =   0;
+    } else {
+        rslt     =   0xFF;
+    }
+
+
+    return rslt;
+}
+
+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
+
+    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 );
 
 
 
-    // iAQ-Core warm up is at least 5 minutes ( 300 * 1s ) or when the sensor is ready
-    do
-    {
-      aux      =   myiAQ_Core.iAQ_Core_GetNewReading ( &myiAQ_Core_data );
-      wait(1);
-      myWarmUpCounter++;
-    } while( ( myWarmUpCounter < 300 ) && ( myiAQ_Core_data.status == iAQ_Core::iAQ_Core_STATUS_RUNIN ) );
+    if ( aux == 0 ) {
+        rslt     =   0;
+    } else {
+        rslt     =   0xFF;
+    }
+
+
+    return rslt;
+}
 
 
-    newReading.attach( &changeDATA, 0.1);                                        // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+int main()
+{
+    ble.baud(115200); //baudrate for the serial connection, 9600 for hc05 115200 for rn
 
-    // Let the callbacks take care of everything
-    while(1)
-    {
-      sleep();
+    ble.printf("$");//enter command mode only for rn
+    wait(0.1);
+    ble.printf("$$");//enter command mode
+    wait(0.5);
+    ble.printf("SN,Testing 1 2 1 2 \r");//set new name
+    wait(0.5);
+    ble.printf("SS,C0\r");//set transparent uart
+    wait(0.5);
+    ble.printf("&,50278635E070\r");//Assign mac
+    wait(0.5);
+    ble.printf("---\r");//enter data mode
+    wait(0.5);
+    
+    ///IAQ DOESN'T REQUIRE INITIALISATION///
+    
+    ///SGP30///
+    sgp30.begin();//begin sgp30
+    sgp30.IAQinit();//initialise sgp30
+    
+    
+    
+    ///BME680//
+    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;
 
-      if ( myState == 1 ) {
-        // New reading
-        do {
-            aux      =   myiAQ_Core.iAQ_Core_GetNewReading (  &myiAQ_Core_data );
-            wait_ms(1);
-        } while( myiAQ_Core_data.status != iAQ_Core::iAQ_Core_STATUS_OK );          // [TODO] Dangerous!!! The uC may get stuck here if something goes wrong!
-                                                                                    // [WORKAROUND] Insert a counter.
+    // 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;
+
 
-        // Send data through the UART
-        ble.printf( "Pred: %d | Tvoc: %d | Resistance: %d\r\n", myiAQ_Core_data.pred, myiAQ_Core_data.Tvoc, myiAQ_Core_data.resistance );
-        wait(0.01);
-        myState  =   0;                                                             // Reset the variable
+    newReading.attach( &changeDATA, 1 );                                        // the address of the function to be attached ( changeDATA ) and the interval ( 1s )
+    
+    //END BME680///
+    
+    ///ZMOD AND TEMP///
+    int ZMODTEMPaddr=0x80; //si7050 8bit address
+    
+    char wTemp[1];
+    wTemp[0]=0xE3; //Hold master mode
+    char rTemp[2]; //Temperature returns MSB and LSB
+                    //assume MBS in rTemp[0] and LSB in rTemp[1]
+    
+    char wInit[2];
+    wInit[0]=0xE6; //User register 1
+    wInit[1]=0x00; //Set 14 bit resolution, other read-ony registers shouldn't be affected
+    
+    ZMODtemp.write(ZMODTEMPaddr,wInit,2);
+    ///END ZMOD AND TEMP///
+    
+    while(1)
+    {
+        myiAQ_Core.iAQ_Core_GetNewReading (  &myiAQ_Core_data ); //Measurement from iAQ-Core C
+        wait(0.1);
+        sgp30.IAQmeasure();//Measurement from SGP30
+        
+        rslt = myBME680.bme680_get_sensor_data ( &data, &gas_sensor ); //Measurement for BME680
+        
+        ZMODtemp.write(ZMODTEMPaddr,wInit,2); //maybe?
+        ZMODtemp.write(ZMODTEMPaddr,wTemp,1);
+        ZMODtemp.read(ZMODTEMPaddr,rTemp,2); //Returns 2 bytes
+        float temp_code=(rTemp[0]<<8)+rTemp[1];
+        float SiTemp=((175.72*temp_code)/65536)-46.85;
+        
+        ble.printf( "iAQ CO2: %d, iAQ VOC: %d, iAQ Resistance: %d, SGP30 CO2: %d, SGP30 VOC: %d, BME680 Res: %d, BME680 Temp: %.2f, BME680 Hum: %.2f, BME680 Pres: %.2f, Si7051 temp: %.2f\r\n", myiAQ_Core_data.pred, myiAQ_Core_data.Tvoc, myiAQ_Core_data.resistance, sgp30.eCO2,sgp30.TVOC, data.gas_resistance ,( data.temperature/100.0f ) , ( data.humidity / 1000.0f ), ( data.pressure / 100.0f ) , SiTemp );  //Real results after 5 minutes of ON time
+    
+        rslt = myBME680.bme680_set_sensor_mode ( &gas_sensor ); //BME680 reset
       }
-
-    }
 }
\ No newline at end of file
diff -r 44f7dbc5c75d -r 96de1304b9e7 mbed.bld
--- a/mbed.bld	Fri May 01 14:31:45 2020 +0000
+++ b/mbed.bld	Fri May 29 11:28:45 2020 +0000
@@ -1,1 +1,1 @@
-https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file