analogRead.ino

//  analogRead tab, 
//  Energia sketch
//  StellarisWheeStat5_4a
//  June 23, 2014 -JSS

//////////////// Read voltage pin ///////////
void readVolts() {
 

  int inVolt = 0;                 // voltage read
  for (int i =0; i<=15; ++i){  
    inVolt += analogRead(Vread_pin);
  }
  mVread = inVolt/16;
  mVread = mVread*vcc/4096;
  mVread = (vcc/2)-mVread;
  Serial.print(mVread);  
  Serial.print(",");
  }

//////////////////// Read current pin //////////////
void readCurrent(boolean printI) {
  unsigned int iRead = 0;                 // current read
  for (int i =0; i<=15; ++i){  
    iRead += analogRead(Iread_pin);
   }

  mVi = iRead/16;
  if (gotLims == false){
    iMax = mVi-2048;
    iMin = mVi-2048;
    gotLims = true;
  }
  if(mVi >= iMax+2048) {
   iMax = mVi-2048; 
  }
  if(mVi <= iMin+2048) {
    iMin = mVi-2048;
  }

 // float cor1 = 0.4253*amplif + 1.2866;
  mVi = mVi*vcc/4096 + corr;    // Vout
// float offset = (res6/res5 +1)*dOff*vcc/330;
 float offset = (dOff)*vcc/330;
  mVi = mVi-offset;

  mVi = res5/res6*mVi/res4;
  float off2 = (165-dOff)*vcc/330/res4;
  mVi = mVi -off2;  

  if (printI == true) {
    Serial.print(mVi);  
    Serial.print(",");
  }
}