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Experimental MAP error checking, tracking and filtering

This commit is contained in:
Josh Stewart 2015-12-13 09:24:08 +11:00
parent cb7c4cba33
commit 91a0649600
2 changed files with 33 additions and 6 deletions
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3
globals.h
View File

@ -33,6 +33,9 @@ const int map_page_size = 288;
#define BIT_SQUIRT_TOOTHLOG1READY 6 //Used to flag if tooth log 1 is ready
#define BIT_SQUIRT_TOOTHLOG2READY 7 //Used to flag if tooth log 2 is ready (Log is not currently used)
#define VALID_MAP_MAX 1022 //The largest ADC value that is valid for the MAP sensor
#define VALID_MAP_MIN 2 //The smallest ADC value that is valid for the MAP sensor
#define TOOTH_LOG_SIZE 128
#define TOOTH_LOG_BUFFER 256

36
speeduino.ino
View File

@ -81,6 +81,12 @@ byte cltCalibrationTable[CALIBRATION_TABLE_SIZE];
byte iatCalibrationTable[CALIBRATION_TABLE_SIZE];
byte o2CalibrationTable[CALIBRATION_TABLE_SIZE];
//These variables are used for tracking the number of running sensors values that appear to be errors. Once a threshold is reached, the sensor reading will go to default value and assume the sensor is faulty
byte mapErrorCount = 0;
byte iatErrorCount = 0;
byte cltErrorCount = 0;
unsigned long counter;
unsigned long currentLoopTime; //The time the current loop started (uS)
unsigned long previousLoopTime; //The time the previous loop started (uS)
@ -586,11 +592,17 @@ void loop()
//-----------------------------------------------------------------------------------------------------
//MAP Sampling system
int tempReading;
switch(configPage1.mapSample)
{
case 0:
//Instantaneous MAP readings
currentStatus.mapADC = analogRead(pinMAP);
tempReading = analogRead(pinMAP);
//Error checking
if(tempReading >= VALID_MAP_MAX || tempReading <= VALID_MAP_MIN) { mapErrorCount += 1; }
else { currentStatus.mapADC = tempReading; mapErrorCount = 0; }
currentStatus.MAP = map(currentStatus.mapADC, 0, 1023, configPage1.mapMin, configPage1.mapMax); //Get the current MAP value
break;
@ -598,8 +610,15 @@ void loop()
//Average of a cycle
if( (MAPcurRev == startRevolutions) || (MAPcurRev == startRevolutions+1) ) //2 revolutions are looked at for 4 stroke. 2 stroke not currently catered for.
{
MAPrunningValue = MAPrunningValue + analogRead(pinMAP); //Add the current reading onto the total
MAPcount++;
tempReading = analogRead(pinMAP);
//Error check
if(tempReading < VALID_MAP_MAX && tempReading > VALID_MAP_MIN)
{
MAPrunningValue = MAPrunningValue + tempReading; //Add the current reading onto the total
MAPcount++;
}
else { mapErrorCount += 1; }
}
else
{
@ -616,9 +635,14 @@ void loop()
//Minimum reading in a cycle
if( (MAPcurRev == startRevolutions) || (MAPcurRev == startRevolutions+1) ) //2 revolutions are looked at for 4 stroke. 2 stroke not currently catered for.
{
int tempValue = analogRead(pinMAP);
if( tempValue < MAPrunningValue) { MAPrunningValue = tempValue; } //Check whether the current reading is lower than the running minimum
MAPcount++;
tempReading = analogRead(pinMAP);
//Error check
if(tempReading < VALID_MAP_MAX && tempReading > VALID_MAP_MIN)
{
if( tempReading < MAPrunningValue) { MAPrunningValue = tempReading; } //Check whether the current reading is lower than the running minimum
}
else { mapErrorCount += 1; }
}
else
{