arduinotestsuite.cpp

ArduinoTestSuite

					uint8_t	inputPin,
					char *statusString,
					char *errorString)
{
boolean			passedOK;
unsigned long	loopCounter;
unsigned long	lowCount;
unsigned long	highCount;
unsigned long	startTime;
int				percentLow;
int				percentHigh;
int				pinValue;
char			numString[48];
int				pwmValue;

	pwmValue	=	128;
	loopCounter	=	0;
	lowCount	=	0;
	highCount	=	0;
	passedOK	=	true;
	
	startTime	=	millis();
	pinMode(inputPin, INPUT);
	analogWrite(timerPinNumber, pwmValue);
	while ((millis() - startTime) < 500)
	{
		pinValue	=	digitalRead(inputPin);
		if (pinValue == HIGH)
		{
			highCount++;
		}
		else
		{
			lowCount++;
		}
	}
	analogWrite(timerPinNumber, 0);

	//*	the difference should be about 50%
	percentLow	=	lowCount / ((lowCount + highCount) / 100);
	percentHigh	=	highCount / ((lowCount + highCount) / 100);
	if ((percentLow > 45) && (percentLow < 55))
	{
		passedOK	=	true;
	}
	else
	{
		passedOK	=	false;
		strcat(errorString, " PWM ERROR");
	}
	sprintf(numString, "  (PWM=%02d %d%% LOW %d%% HIGH)", pwmValue, percentLow, percentHigh);
	strcat(statusString, numString);

	return(passedOK);
}


//************************************************************************
//*	returns true if no errors, false if there is an error
boolean	ATS_Test_PWMPinWithHelper(uint8_t pwmPinToTest, uint8_t helperpin)
{
boolean	passedOK;
char	testName[64];
char	errorString[48];
char	numString[8];
uint8_t	timerNumber;



	strcpy_P(testName, gTextMsg_PWMoutput);
	sprintf(numString, "%02d", pwmPinToTest);
	strcat(testName, numString);

	passedOK		=	true;
	errorString[0]	=	0;
	

	//*	is pin1 a timer?
	timerNumber	=	digitalPinToTimer(pwmPinToTest);
	if (timerNumber != NOT_ON_TIMER)
	{
		passedOK	=	ATS_TestTimer(pwmPinToTest, helperpin, testName, errorString);
	}
	else
	{
		//*	we should not get here
		passedOK	=	false;
	}

	ATS_PrintTestStatus(testName, passedOK);

	
	return(passedOK);
}

//************************************************************************
boolean	ATS_Test_PWM_Pin(uint8_t pwmPinToTest)
{
boolean	passedOK;
uint8_t helperpin;

	if ((pwmPinToTest % 2) == 0)
	{
		//*	if its EVEN, add 1
		helperpin	=	pwmPinToTest + 1;
	}
	else
	{
		//*	if its ODD
		helperpin	=	pwmPinToTest - 1;
	}
	passedOK	=	ATS_Test_PWMPinWithHelper(pwmPinToTest, helperpin);
	return(passedOK);
}


#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
	#define	kAnalogPinOffset	54
#else
	#define	kAnalogPinOffset	14
#endif


//************************************************************************
boolean	ATS_Test_AnalogInputWithHelper(uint8_t analogPintoTest, uint8_t helperPin)
{
boolean	passedOK;
char	testName[64];
char	infoString[48];
int		analogValueHigh;
int		analogValueLow;


	//*	first we have to set the ANALOG pin to INPUT
	pinMode(analogPintoTest + kAnalogPinOffset, INPUT);
	
	passedOK	=	true;
	
	strcpy_P(testName, gTextMsg_AnalogInput);
	sprintf(infoString, "%02d", analogPintoTest);
	strcat(testName, infoString);


	pinMode(helperPin, OUTPUT);

	digitalWrite(helperPin, LOW);
	analogValueLow	=	analogRead(analogPintoTest);
	if (analogValueLow > 100)
	{
		passedOK	=	false;
	}


	digitalWrite(helperPin, HIGH);
	analogValueHigh	=	analogRead(analogPintoTest);
	if (analogValueHigh < 1000)
	{
		passedOK	=	false;
	}


	sprintf(infoString, " (Low=%4d High=%4d helper pin=%d)", analogValueLow, analogValueHigh, helperPin);
	strcat(testName, infoString);
	
	ATS_PrintTestStatus(testName, passedOK);

	return(passedOK);
}


//************************************************************************
boolean	ATS_Test_AnalogInput(uint8_t analogPinToTest)
{
boolean	passedOK;
uint8_t helperpin;

	if ((analogPinToTest % 2) == 0)
	{
		//*	if its EVEN, add 1
		helperpin	=	kAnalogPinOffset + analogPinToTest + 1;
	}
	else
	{
		//*	if its ODD
		helperpin	=	kAnalogPinOffset + analogPinToTest - 1;
	}
	passedOK	=	ATS_Test_AnalogInputWithHelper(analogPinToTest, helperpin);
	return(passedOK);
}


#define	kSerialTestBaudRate	9600
#define	kSerialTestDelay	3


#if (SERIAL_PORT_COUNT > 1) && !defined(__AVR_ATmega32U4__)
//************************************************************************
//*	retunrs 0 if no errors, 1 if an error occured
short	ATS_TestSerialLoopback(HardwareSerial *theSerialPort, char *serialPortName)
{
char	xmitChar;
char	rcvChar;
short	ii;
short	serialErrCt;
short	timeOutLoopCtr;


	serialErrCt	=	1;
	if (theSerialPort != 0)
	{
		serialErrCt	=	0;
		theSerialPort->begin(kSerialTestBaudRate);
		
		for (ii=0; ii<150; ii++)
		{
			xmitChar	=	ii;
			theSerialPort->print(xmitChar);
			
			timeOutLoopCtr	=	0;
			//*	wait for data to come back or timeout
			while (!theSerialPort->available() && (timeOutLoopCtr < kSerialTestDelay))
			{
				delay(1);
				timeOutLoopCtr++;
			}
			
			if (theSerialPort->available())
			{
				//*	get the char
				rcvChar	=	theSerialPort->read();
				if (rcvChar != xmitChar)
				{
					serialErrCt	=	1;
				}
			}
			else
			{
				serialErrCt	=	1;
			}
		}
		theSerialPort->end();

		if (serialErrCt == 0)
		{
			ATS_PrintTestStatus(serialPortName, PASSED);
		}
		else
		{
			ATS_PrintTestStatus(serialPortName, FAILED);
		}
	}
	
	return(serialErrCt);
}
#endif


//************************************************************************
boolean	ATS_Test_EEPROM(void)
{
boolean		passedOK;
uint8_t 	dataByte;
uint8_t		dataByteRead;
uint16_t	dataWord;
uint16_t	dataWordRead;
uint32_t	dataLongWord;
uint32_t	dataLongWordRead;
int			addressPtr;
char		reportString[48];

	passedOK		=	true;
	//*	test BYTE read/write
	addressPtr		=	random(E2END);
	dataByte		=	0x5A;
	eeprom_write_byte((uint8_t *)addressPtr, dataByte);
	dataByteRead	=	eeprom_read_byte((uint8_t *)addressPtr);

	sprintf(reportString, "EEPROM_byte_rw  (addr= 0x%04X)", addressPtr);
	if (dataByteRead == dataByte)
	{
		ATS_PrintTestStatus(reportString, PASSED);
	}
	else
	{
		ATS_PrintTestStatus(reportString, FAILED);
		passedOK		=	false;
	}


	//*	test WORD read/write
	addressPtr		=	random(E2END);
	dataWord		=	0xA55A;
	eeprom_write_word((uint16_t *)addressPtr, dataWord);
	dataWordRead	=	eeprom_read_word((uint16_t *)addressPtr);

	sprintf(reportString, "EEPROM_word_rw  (addr= 0x%04X)", addressPtr);
	if (dataWordRead == dataWord)
	{
		ATS_PrintTestStatus(reportString, PASSED);
	}
	else
	{
		ATS_PrintTestStatus(reportString, FAILED);
		passedOK		=	false;
	}


	//*	test Long WORD read/write
	addressPtr		=	random(E2END);
	dataLongWord	=	0x5AA5A55A;
	eeprom_write_dword((uint32_t *)addressPtr, dataLongWord);
	dataLongWordRead	=	eeprom_read_dword((uint32_t *)addressPtr);

	sprintf(reportString, "EEPROM_dword_rw (addr= 0x%04X)", addressPtr);
	if (dataLongWordRead == dataLongWord)
	{
		ATS_PrintTestStatus(reportString, PASSED);
	}
	else
	{
		ATS_PrintTestStatus(reportString, FAILED);
		passedOK		=	false;
	}


	return(passedOK);
}



//************************************************************************
extern unsigned int __data_start;
extern unsigned int __data_end;
extern unsigned int __bss_start;
extern unsigned int __bss_end;
extern unsigned int __heap_start;
extern void *__brkval;



//************************************************************************
int	ATS_GetFreeMemory()
{
int free_memory;

	if((int)__brkval == 0)
	{
		free_memory = ((int)&free_memory) - ((int)&__bss_end);
	}
	else
	{
		free_memory = ((int)&free_memory) - ((int)__brkval);
	}
	return free_memory;
}