Sam Walsh / Mbed 2 deprecated Nucleo_F401RE_DS271_Battery_Monitor

Example of using the DS271 battery monitor on the ESP motor driver board using PC_12 as the OneWire interface (Any other GPIO can be used)

Dependencies:   mbed

main.cpp

Committer:
EmbeddedSam
Date:
2019-03-04
Revision:
0:de50f9a71c22

File content as of revision 0:de50f9a71c22:

#include <mbed.h>
#include "OneWire_Methods.h"
#include "ds2781.h"

Serial pc(USBTX, USBRX);
DigitalInOut   one_wire_pin(PC_12);
int VoltageReading, CurrentReading;
float Voltage, Current;

int main() {

  while(1) {
      VoltageReading = ReadVoltage();
      Voltage = VoltageReading*0.00976; //Returns the voltage measured at the VIN input of the DS2781      *
 *                                      //in units of 9.76mV 
      CurrentReading = ReadCurrent();
      Current = CurrentReading/6400.0; //Returns the current measured through Rsns external to DS2781 in  *
 *                                     //units of 1.5625uV/Rsns. Positive current indicates discharge 
      pc.printf("\n\rVoltage = %0.3f, Current= %0.3f", Voltage, Current);
  }
}