int main(int argc, const char * argv[])
{
float freezeInC = 0;
float freezeInF = fahrenheitToCelsius(freezeInC);
printf("Water freezes at %f degrees Fahrenheit\n", freezeInF);
printf("The last temperature converted was %f\n", lastTemperature);
return EXIT_SUCCESS;
}
int main (void) {
static int MIN_FAHRENHEIT = -40;
static int MAX_FAHRENHEIT = 212;
int counter;
/* Print the header */
printf("%10s%12s\n\n", "Fahrenheit", "Celsius");
for(counter = MIN_FAHRENHEIT; counter <= MAX_FAHRENHEIT; counter++) {
printf("%10+i%12.3+f\n", counter, fahrenheitToCelsius(counter));
}
waitOnInput();
return 0;
}
void getTemp() {
uint16_t last_sample = 0;
double this_temp;
double temp_avg;
uint16_t i;
temp_avg = 0.0;
for (i=0; i<500; i++) {
last_sample = adc_read();
this_temp = sampleToFahrenheit(last_sample);
temp_avg = temp_avg + this_temp/500.0;
}
double c = fahrenheitToCelsius(temp_avg);
double k = celsiusToKelvin(c);
// write message to LCD
lcd_init();
FILE lcd_stream = FDEV_SETUP_STREAM(lcd_putchar, 0, _FDEV_SETUP_WRITE);
lcd_home();
lcd_write_string(PSTR("ADC: "));
lcd_write_int16(last_sample);
lcd_write_string(PSTR(" of 1024 "));
lcd_line_two();
fprintf_P(&lcd_stream, PSTR("%.2f"), temp_avg);
lcd_write_data(0xdf);
lcd_write_string(PSTR("F"));
lcd_line_three();
fprintf_P(&lcd_stream, PSTR("%.2f"), c);
lcd_write_data(0xdf);
lcd_write_string(PSTR("C"));
lcd_line_four();
fprintf_P(&lcd_stream, PSTR("%.2f"), k);
lcd_write_data(0xdf);
lcd_write_string(PSTR("K"));
}
void thermocouplePort::receivedMsg( QByteArray msg )
{
if( msg.isNull() )
{
return;
}
msg.replace( 0x0A, "" ).replace( 0x0B, "" ).replace( 0x0D, "" )
.replace( 0x11, "" ).replace( 0x13, "" )
.replace( 0x3C, "" ).replace( 0x3E, "" ); // < and > - dont know why this is sent ...
if( msg.isEmpty() )
{
return;
}
if( _expectedAnswer.size() == 0 )
{
if( _sendCounter != 0 )
{
return;
}
emit portError( "Unexpected answer!" );
return;
}
_answerPending = 0;
if( _expectedAnswer[0] == CMD_ID )
{
if( _idStringSet )
{
bool conversionSuccessful = false;
int version = msg.toInt( &conversionSuccessful );
if( conversionSuccessful && version > 90615 )
{
_probeTemperatureOnly = false;
}
_initValueCounter++;
emit initSuccessful( _idString );
}
else
{
_idStringSet = true;
_idString = msg;
_initValueCounter++;
}
}
else if( _expectedAnswer[0] == CMD_PROBE_TEMPERATURE )
{
bool conversionSuccessful = false;
double probeTemperatureCelsius = msg.toDouble( &conversionSuccessful );
if( conversionSuccessful )
{
if( _emitProbeTemperature )
{
if( probeTemperatureCelsius > MAX_TEMPERATURE
|| probeTemperatureCelsius < -MAX_TEMPERATURE )
{
emit portError( "Out of range!" );
}
else
{
emit newProbeTemperature( probeTemperatureCelsius );
}
}
}
else
{
emit portError( "Could not get temperature from answer!" );
}
}
else if( _expectedAnswer[0] == CMD_BOTH_TEMPERATURES )
{
bool conversion1Successful = false;
bool conversion2Successful = false;
double probeTemperatureFahrenheit = msg.left( msg.indexOf( "," ) )
.toDouble( &conversion1Successful );
double ambientTemperatureFahrenheit = msg.mid( msg.indexOf( "," ) + 1 )
.toDouble( &conversion2Successful );
if( conversion1Successful && conversion2Successful )
{
int tProbeCelsius = fahrenheitToCelsius(
probeTemperatureFahrenheit );
int tAmbientCelsius = fahrenheitToCelsius(
ambientTemperatureFahrenheit );
if( _emitProbeTemperature )
{
if( tProbeCelsius > MAX_TEMPERATURE
|| tProbeCelsius < -MAX_TEMPERATURE )
{
emit portError( "Out of range!" );
}
else
{
emit newProbeTemperature( tProbeCelsius );
}
}
if( _emitAmbientTemperature )
{
if( tAmbientCelsius > MAX_TEMPERATURE
|| tAmbientCelsius < -MAX_TEMPERATURE )
{
emit portError( "Out of range!" );
}
else
{
emit newAmbientTemperature( tAmbientCelsius );
}
}
}
else
{
emit portError( "Could not get temperatures from answer!" );
}
}
else if( _expectedAnswer[0] == CMD_OTHER )
{
}
else
{
emit portError( "Undefined answer!" );
}
_expectedAnswer.erase( _expectedAnswer.begin() );
}
