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
Diff: main.cpp.orig
- Revision:
- 33:bc73a2493821
diff -r f8504ef165fb -r bc73a2493821 main.cpp.orig --- /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); + + } + + + + + + } +} + + +