Functions
int	getCylinderKnockBank (uint8_t cylinderNumber)

	__attribute__ ((weak)) void onStartKnockSampling(uint8_t cylinderNumber

	UNUSED (samplingTimeSeconds)

	UNUSED (channelIdx)

static void	startKnockSampling (Engine *p_engine)

Variables
float	samplingTimeSeconds

float uint8_t	channelIdx

static uint8_t	cylinderNumberCopy

Function Documentation

◆ attribute()

__attribute__ ( (weak) )

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◆ getCylinderKnockBank()

int getCylinderKnockBank ( uint8_t cylinderNumber )

Definition at line 13 of file knock_controller.cpp.

                                                  {
     // C/C++ can't index in to bit fields, we have to provide lookup ourselves
     switch (cylinderNumber) {
 #if EFI_PROD_CODE
         case 0:
             return engineConfiguration->knockBankCyl1;
         case 1:
             return engineConfiguration->knockBankCyl2;
         case 2:
             return engineConfiguration->knockBankCyl3;
         case 3:
             return engineConfiguration->knockBankCyl4;
         case 4:
             return engineConfiguration->knockBankCyl5;
         case 5:
             return engineConfiguration->knockBankCyl6;
         case 6:
             return engineConfiguration->knockBankCyl7;
         case 7:
             return engineConfiguration->knockBankCyl8;
         case 8:
             return engineConfiguration->knockBankCyl9;
         case 9:
             return engineConfiguration->knockBankCyl10;
         case 10:
             return engineConfiguration->knockBankCyl11;
         case 11:
             return engineConfiguration->knockBankCyl12;
 #endif
         default:
             return 0;
     }
 }

Referenced by HIP9011::cylinderToChannelIdx(), and startKnockSampling().

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◆ startKnockSampling()

static void startKnockSampling ( Engine * p_engine )

static

Definition at line 142 of file knock_controller.cpp.

                                                  {
     // todo: why do we pass engine as parameter? is that for unit tests?
     if (!p_engine->rpmCalculator.isRunning()) {
         return;
     }
  
     // Convert sampling angle to time
     float samplingSeconds = engine->rpmCalculator.oneDegreeUs * engineConfiguration->knockSamplingDuration / US_PER_SECOND_F;
  
     // Look up which channel this cylinder uses
     auto channel = getCylinderKnockBank(cylinderNumberCopy);
  
     // Call the driver to begin sampling
     onStartKnockSampling(cylinderNumberCopy, samplingSeconds, channel);
 }