61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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Speeduino - Simple engine management for the Arduino Mega 2560 platform
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Copyright (C) Josh Stewart
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A full copy of the license may be found in the projects root directory
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*/
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/*
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* Sets the next available error
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* Returns the error number or 0 if there is no more room for errors
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*/
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#include "errors.h"
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byte setError(byte errorID)
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{
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if(errorCount < MAX_ERRORS)
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{
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errorCodes[errorCount] = errorID;
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errorCount++;
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if(errorCount == 1) { BIT_SET(currentStatus.engine, BIT_SPARK_ERROR); } //Enable the error indicator
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return errorCount;
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}
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return 0;
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}
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void clearError(byte errorID)
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{
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byte clearedError;
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if (errorID == errorCodes[0]) { clearedError = 0; }
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else if(errorID == errorCodes[1]) { clearedError = 1; }
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else if(errorID == errorCodes[2]) { clearedError = 2; }
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else if(errorID == errorCodes[3]) { clearedError = 3; }
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else return; //Occurs when the error we're being asked to clear is not currently one of the active errors
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errorCodes[clearedError] = ERR_NONE;
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//Clear the required error and move any from above it 'down' in the error array
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for (byte x=clearedError; x < (errorCount-1); x++)
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{
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errorCodes[x] = errorCodes[x+1];
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errorCodes[x+1] = ERR_NONE;
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}
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errorCount--;
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if(errorCount == 0) { BIT_CLEAR(currentStatus.engine, BIT_SPARK_ERROR); } //Enable the error indicator
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}
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byte getNextError()
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{
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packedError currentError;
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//We alternate through the errors once per second
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byte currentErrorNum = currentStatus.secl % MAX_ERRORS; //Which error number will be returned. This changes once per second. Note that as long as MAX_ERRORS is a power of 2, this % operation is performed very quickly.
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currentError.errorNum = currentErrorNum;
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currentError.errorID = errorCodes[currentErrorNum];
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return *(byte*)¤tError; //Ugly, but this forces the cast of the currentError struct to a byte.
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}
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