FEAT add _startADC3PinConversionLowSide() API

Author: maxlem

src/SimpleFOC.h

@@ -109,7 +109,7 @@ void loop() {
 #include "drivers/StepperDriver4PWM.h"
 #include "drivers/StepperDriver2PWM.h"
 #include "current_sense/InlineCurrentSense.h"
-#include "current_sense/LowSideCurrentSense.h"
+#include "current_sense/LowsideCurrentSense.h"
 #include "communication/Commander.h"
 #include "communication/StepDirListener.h"
 

src/current_sense/LowSideCurrentSense.cpp

@@ -34,6 +34,7 @@ void LowsideCurrentSense::calibrateOffsets(){
     offset_ic= 0;
     // read the adc voltage 1000 times ( arbitrary number )
     for (int i = 0; i < 1000; i++) {
+        _startADC3PinConversionLowSide();
         offset_ia += _readADCVoltageLowSide(pinA);
         offset_ib += _readADCVoltageLowSide(pinB);
         if(_isset(pinC)) offset_ic += _readADCVoltageLowSide(pinC);
@@ -48,6 +49,7 @@ void LowsideCurrentSense::calibrateOffsets(){
 // read all three phase currents (if possible 2 or 3)
 PhaseCurrent_s LowsideCurrentSense::getPhaseCurrents(){
     PhaseCurrent_s current;
+    _startADC3PinConversionLowSide();
     current.a = (_readADCVoltageLowSide(pinA) - offset_ia)*gain_a;// amps
     current.b = (_readADCVoltageLowSide(pinB) - offset_ib)*gain_b;// amps
     current.c = (!_isset(pinC)) ? 0 : (_readADCVoltageLowSide(pinC) - offset_ic)*gain_c; // amps

src/current_sense/LowSideCurrentSense.h

@@ -20,8 +20,26 @@ float _readADCVoltageInline(const int pinA);
  */
 void _configureADCInline(const int pinA,const int pinB,const int pinC = NOT_SET);
 
-void _start3PinsDMA();
-void _read3PinsDMA(const int pinA,const int pinB,const int pinC, float & a, float & b, float & c);
-void _configure3PinsDMA(const int pinA,const int pinB,const int pinC = NOT_SET);
+/**
+ *  function reading an ADC value and returning the read voltage 
+ * 
+ * @param pinA - adc pin A
+ * @param pinB - adc pin B
+ * @param pinC - adc pin C
+ */
+void _configureADCLowSide(const int pinA,const int pinB,const int pinC = NOT_SET);
 
+void _startADC3PinConversionLowSide();
+
+/**
+ *  function reading an ADC value and returning the read voltage
+ * 
+ * @param pinA - the arduino pin to be read (it has to be ADC pin)
+ */
+float _readADCVoltageLowSide(const int pinA);
+
+/**
+ *  function syncing the Driver with the ADC  for the LowSide Sensing
+ */
+void _driverSyncLowSide();
 #endif

src/current_sense/LowsideCurrentSense.cpp

@@ -30,6 +30,9 @@ float _readADCVoltageLowSide(const int pin){
   return raw_adc * _ADC_CONV;
 }
 
+void _startADC3PinConversionLowSide(){
+  
+}
 
 // function reading an ADC value and returning the read voltage
 void _configureADCLowSide(const int pinA,const int pinB,const int pinC){