Code supports writing to the SD card as well as working with the Volckens group smartphone apps for the mbed HRM1017

Dependencies:   ADS1115 BLE_API BME280 Calibration CronoDot EEPROM LSM303 MCP40D17 NCP5623BMUTBG SDFileSystem SI1145 STC3100 mbed nRF51822

Fork of UPAS_BLE_and_USB by Volckens Group Sensors

Revision:
33:bc73a2493821
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp.orig	Sun May 31 16:10:43 2015 +0000
@@ -0,0 +1,182 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "Adafruit_ADS1015.h"
+#include "MCP40D17.h"
+#include "wire.h" //Used with the RTC in this code. Will need to try and remove this, and also create the correct library/update addresses and registers for the RTC.
+#include "STC3100.h"
+#include "LSM303.h"
+#include "BME280.h"
+#include "SI1145.h"
+
+#define SERIAL_BAUD_RATE    9600
+#define SCL         20  
+#define SDA         22
+#define Crono       0xD0       //D0 for the chronoDot
+
+I2C i2c(p22, p20);
+Adafruit_ADS1115 ads(&i2c);
+MCP40D17 DigPot(&i2c);
+BME280 bmesensor(p22, p20);
+STC3100 gasG(p22, p20);
+Serial  pc(USBTX, USBRX);
+DigitalOut blower(p29, 0);
+DigitalOut pbKill(p18, 1);
+LSM303 movementsensor(p22, p20);
+SI1145 lightsensor(p22, p20);
+
+float press;
+float temp;
+float rh;
+
+int uv;
+int vis;
+int ir;
+
+float accel_x;
+float accel_y;
+float accel_z;
+float mag_x;
+float mag_y;
+float mag_z;
+
+
+int vInReading;
+int vBlowerReading;
+int omronDiff;
+
+int omronReading;
+float omronVolt; //V
+float atmoRho; //g/L
+float massflow; //g/min
+float volflow; //L/min
+float volflowSet = 1.0; //L/min
+float massflowSet; 
+float deltaflow;
+
+int digital_pot_setpoint; //min = 0x7F, max = 0x00
+char filename[] = "/sd/UPAS0005LOG000000000000.txt";
+
+TwoWire Wire = TwoWire(NRF_TWI0);    
+SDFileSystem sd(SPIS_PSELMOSI, SPIS_PSELMISO, SPIS_PSELSCK, SPIS_PSELSS, "sd"); // I believe this matches Todd's pinout, let me know if this doesn't work. (p12, p13, p15, p14)
+
+uint8_t Seconds = 0;//Seconds
+uint8_t Minutes = 0;//Minutes
+uint8_t Hour    = 0;//Hour
+uint8_t Date    = 0;//Date
+uint8_t Month   = 0;//Month
+uint8_t Year    = 0;//Year
+double secondsD = 0;
+
+void get_time()
+{
+    Wire.beginTransmission(Crono); // address DS3231
+    Wire.write(0x0E);              // select register
+    Wire.write(0x1C);              // write register bitmap, bit 7 is /EOSC
+    Wire.endTransmission();
+    wait(0.05);
+    Wire.beginTransmission(Crono);
+    Wire.write(0x00);
+    Wire.endTransmission();
+    Wire.requestFrom(Crono+1, 7);
+    
+    while( Wire.available() > 0 )
+    {
+        Seconds = Wire.read();
+        Minutes = Wire.read();
+        Hour    = Wire.read();
+        uint8_t day =Wire.read(); // we don't uses this, it's just day of the week
+        Date    = Wire.read();
+        Month   = Wire.read();
+        Year    = Wire.read();
+
+    }
+    Year    = ((Year&0xF0)>>4)*10 + (Year&0x0F);           //Year
+    Month   = ((Month&0x10)>>4)*10 + (Month&0x0F);         //Month
+    Date    = ((Date&0x30)>>4)*10 + (Date&0x0F);           //Date
+    Hour    = ((Hour&0x30)>>4)*10 + (Hour&0x0F);         //Hour
+    Minutes = ((Minutes&0x70)>>4)*10 + (Minutes&0x0F);   //Minutes
+    Seconds = ((Seconds&0x70)>>4)*10 + (Seconds&0x0F);   //Seconds
+}
+  
+int main()
+{
+    press = bmesensor.getPressure();
+    temp = bmesensor.getTemperature();
+    rh = bmesensor.getHumidity();
+    
+    atmoRho = ((press-((6.1078*pow((float)10,(float)((7.5*temp)/(237.3+temp))))*(rh/100)))*100)/(287.0531*(temp+273.15))+((6.1078*pow((float)10,(float)((7.5*temp)/(237.3+temp))))*(rh/100)*100)/(461.4964*(temp+273.15));
+    massflowSet = volflowSet*atmoRho;
+    //Digtal pot tf from file: UPAS v2 OSU-PrimaryFlowData FullSet 2015-05-29 CQ mods.xlsx
+    digital_pot_setpoint = (int)floor(9.2456*pow(massflowSet,4)-89.538*pow(massflowSet,3)+329.03*pow(massflowSet,2)-566.12*massflowSet+412.72); //min = 0x7F, max = 0x00
+   
+   DigPot.writeRegister(digital_pot_setpoint);
+   Wire.begin(SCL, SDA, TWI_FREQUENCY_100K);// 
+   wait(1);
+   blower = 1;
+    
+    get_time(); 
+    sprintf(filename, "/sd/UPAS0005LOG_%02d%02d%02d%02d%02d%02d.txt",Year,Month,Date,Hour,Minutes,Seconds);
+    FILE *fp = fopen(filename, "w");
+    fclose(fp);
+
+         
+    while(1){
+     
+    get_time(); 
+    secondsD = Seconds;
+    
+    if(fmod(secondsD,10)==0){
+    
+    omronVolt = (omronReading*4.096)/(32768*2);
+    //Mass Flow tf from file: UPAS v2 OSU-PrimaryFlowData FullSet 2015-05-29 CQ mods.xlsx
+    massflow = -2.4541*pow(omronVolt,(float)4)+15.522*pow(omronVolt,(float)3)-34.578*pow(omronVolt,(float)2)+34.05*omronVolt-11.794;
+    atmoRho = ((press-((6.1078*pow((float)10,(float)((7.5*temp)/(237.3+temp))))*(rh/100)))*100)/(287.0531*(temp+273.15))+((6.1078*pow((float)10,(float)((7.5*temp)/(237.3+temp))))*(rh/100)*100)/(461.4964*(temp+273.15));
+    volflow = massflow/atmoRho;
+    deltaflow = volflow-volflowSet;
+        
+    /*if(abs(deltaflow)>.05*volflowSet){
+        digital_pot_setpoint = f(Vsetpoint);
+        DigPot.writeRegister(digital_pot_setpoint);
+        }
+    */
+    movementsensor.getACCEL();
+    movementsensor.getCOMPASS();
+    accel_x = movementsensor.AccelData.x;
+    accel_y = movementsensor.AccelData.y;
+    accel_z = movementsensor.AccelData.z;
+    mag_x = movementsensor.MagData.x;
+    mag_y = movementsensor.MagData.y;
+    mag_z = movementsensor.MagData.z;
+    omronReading = ads.readADC_SingleEnded(0, 0xC583); // read channel 0 PGA = 2 : Full Scale Range = 2.048V
+    vInReading = ads.readADC_SingleEnded(1, 0xD583); // read channel 0
+    vBlowerReading = ads.readADC_SingleEnded(2, 0xE783); // read channel 0
+    omronDiff = ads.readADC_Differential(0x8583); // differential channel 2-3
+    press = bmesensor.getPressure();
+    temp = bmesensor.getTemperature()-3;
+    rh = bmesensor.getHumidity();
+    uv =  lightsensor.getUV();
+    vis = lightsensor.getVIS();
+    ir = lightsensor.getIR();
+
+    
+    //Mount the filesystem
+    sd.mount();
+    FILE *fp = fopen(filename, "a");
+    fprintf(fp, "%d,%d,%d,%d,%d,%d,%f,%f,%f,%f,%2.2f,%04.2f,%2.2f,%.0f,%.0f,%.0f,%.0f,%.0f,%.0f,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\r\n", Year,Month,Date,Hour,Minutes,Seconds,omronVolt,atmoRho,volflow,massflow,temp,press,rh,accel_x, accel_y, accel_z, mag_x, mag_y, mag_z, uv, vis, ir, omronReading,vInReading, vBlowerReading, omronDiff, gasG.getAmps(), gasG.getVolts(), gasG.getCharge(), digital_pot_setpoint);
+    fclose(fp);
+    //Unmount the filesystem
+    sd.unmount();
+       
+    wait(1);
+   
+    }
+    
+   
+    
+  
+    
+    }
+}
+
+
+