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user/Compute/VHHCompute.c

@@ -0,0 +1,39 @@
+#include "../main/SystemInclude.h"
+
+// for compute buffer
+float RRExtGain;
+u16 RRExtGainRes;
+
+/******************************************************************************/
+void RHCircuitParameterInit(void)
+{
+   // A type external gain res
+   RRExtGainRes = (u16)ReadParameterFromEEPROM(RR_GAINRES, RR_GAINRES_WIDTH, RR_GAINRES_DEFAULT);
+   RRExtGain  = (float)RR_OPGAIN_RES;
+   RRExtGain /= (float)RRExtGainRes;   
+   RRExtGain += 1.0;
+   RRExtGain  = 1.0/RRExtGain;
+}
+
+/******************************************************************************/
+void ComputeRRParameter(void)
+{ 
+   float tmpRR;
+ 
+   //===========================================================================
+   // compute VRR ADC INPUT
+   tmpSLA  = (u32)voltageDetected[RRIDX];
+   tmpSLA -= (u32)32768;
+   tmpRR  = (float)VRR_VREF;
+   tmpRR *= (float)tmpSLA;
+   tmpRR += (float)VRR_VDC;
+   voltageDetected[NVRR] = (u16)tmpRR;
+   
+   //===========================================================================
+   // compute RR
+   tmpRR *= (float)RRExtGain; 
+   tmpRR  = (VRR_RREF*tmpRR)/(VREF-tmpRR);
+   
+   voltageDetected[NRR]  = (u16)tmpRR; 
+   voltageDetected[NRR]  = MovingAverage(voltageDetected[NRR], 30, NRR); 
+}