Penn Electric Racing / Mbed 2 deprecated SystemManagement

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Dependencies:   mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP

Fork of SystemManagement by Martin Deng

CoulombCounter/CoulombCounter.h@13:fbd9b3f5a07c, 2014-10-24 (annotated)

Committer:
pspatel321
Date:
Fri Oct 24 22:09:04 2014 +0000
Revision:
13:fbd9b3f5a07c
Child:
17:c9ce210f6654
Fork showing Parth's changes to current monitor, IMD, and fanpump.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pspatel321 13:fbd9b3f5a07c 1 #ifndef _FILE_CURRENTMONITOR_H
pspatel321 13:fbd9b3f5a07c 2 #define _FILE_CURRENTMONITOR_H
pspatel321 13:fbd9b3f5a07c 3
pspatel321 13:fbd9b3f5a07c 4 #include "mbed.h"
pspatel321 13:fbd9b3f5a07c 5 #include "CANBuffer.h"
pspatel321 13:fbd9b3f5a07c 6 #include "Store_RTC.h"
pspatel321 13:fbd9b3f5a07c 7
pspatel321 13:fbd9b3f5a07c 8 RTCStore store;
pspatel321 13:fbd9b3f5a07c 9
pspatel321 13:fbd9b3f5a07c 10 class CoulombCounter {
pspatel321 13:fbd9b3f5a07c 11 public:
pspatel321 13:fbd9b3f5a07c 12
pspatel321 13:fbd9b3f5a07c 13 // Configures for a certain pin, millisecond sample period, and which GPREG in RTC to use to store the ampHours
pspatel321 13:fbd9b3f5a07c 14 CoulombCounter(int _mSec, int _rtcGPREG_counter, int _rtcGPREG_capacity);
pspatel321 13:fbd9b3f5a07c 15
pspatel321 13:fbd9b3f5a07c 16 // Allow zeroing the SOC when the battery is fully charged/dead, SOC in % from 0 to 1
pspatel321 13:fbd9b3f5a07c 17 void resetToSOC(float SOC) { store.write(SOC*capacity(), rtcGPREG_counter); }
pspatel321 13:fbd9b3f5a07c 18
pspatel321 13:fbd9b3f5a07c 19 // Allow zeroing the SOC (via zeroing the Ah) when the battery is fully charged/dead
pspatel321 13:fbd9b3f5a07c 20 void resetToAh(float Ah) { store.write(Ah, rtcGPREG_counter); }
pspatel321 13:fbd9b3f5a07c 21
pspatel321 13:fbd9b3f5a07c 22 // Allow change of capacity spec (changes SOC)
pspatel321 13:fbd9b3f5a07c 23 void changeCapacity(float capAh) {store.write(capAh, rtcGPREG_capacity); }
pspatel321 13:fbd9b3f5a07c 24
pspatel321 13:fbd9b3f5a07c 25 bool overCurrent; // Sensor above range
pspatel321 13:fbd9b3f5a07c 26 float current() { return currentSample; } // Last current reading in Amps
pspatel321 13:fbd9b3f5a07c 27 float ampHours() { return store.read(rtcGPREG_counter); }
pspatel321 13:fbd9b3f5a07c 28 float capacity() { return store.read(rtcGPREG_capacity); }
pspatel321 13:fbd9b3f5a07c 29 float SOC() { return ampHours()/capacity(); }
pspatel321 13:fbd9b3f5a07c 30
pspatel321 13:fbd9b3f5a07c 31 private:
pspatel321 13:fbd9b3f5a07c 32 Ticker sampler; // Used to capture next sample and coulomb count
pspatel321 13:fbd9b3f5a07c 33 void sample();
pspatel321 13:fbd9b3f5a07c 34 int mSec;
pspatel321 13:fbd9b3f5a07c 35 float currentSample;
pspatel321 13:fbd9b3f5a07c 36
pspatel321 13:fbd9b3f5a07c 37 int rtcGPREG_counter;
pspatel321 13:fbd9b3f5a07c 38 int rtcGPREG_capacity;
pspatel321 13:fbd9b3f5a07c 39 AnalogIn BatISense; // Analog input pin
pspatel321 13:fbd9b3f5a07c 40 };
pspatel321 13:fbd9b3f5a07c 41 #endif