void setup() {
serial_t Serial;
// configure ADC to take temperature samples see [2]
ADC10CTL0 = 0;
ADC10CTL1 = INCH_10 | ADC10DIV_3;
ADC10CTL0 = SREF_1 | ADC10SHT_3 | REFON | ADC10ON | ADC10IE;
Serial.begin(9600);
unsigned sample;
while(1) {
// enable ADC sample, sleep till complete
ADC10CTL0 |= (ENC |ADC10SC);
__bis_SR_register(LPM3_bits | GIE);
__nop(); // make debugger happy see [1]
sample = ADC10MEM;
//Serial << "RAW=" << sample << " ";
// output F and C temps
#ifdef USE_FIX16
// working variables for calculations
// convert sample to C = sample*0.413 - 277.75
Fix16 c = (Fix16(int16_t(sample)) * Fix16(0.14663/0.355)) - Fix16(277.75);
Serial << _FIX16(c + 0.005f, 2) << "C" << " ";
// convert sample to F = C*9/5 + 32
Fix16 f = (c * Fix16(9.0/5.0)) + Fix16(32);
Serial << _FIX16(f + 0.0005f, 3) << "F" << endl;
#endif
#ifdef USE_INTEGER_MATH
int conversion;
conversion = ((27069L * sample) - 18169625L) >> 16;
Serial << conversion << "C ";
conversion = ((48724L * sample ) - 30634388L) >> 16;
Serial << conversion << "F" << endl;
#endif
delay(5000);
}
}
inline void setup() {
serial Serial;
Serial.begin(BAUD_RATE);
Fix16 angle; // use fix16_t for calculations
Serial << "Table of Sin(a)" << endl;
for (angle = (int16_t)-90; angle <= (int16_t)90; angle += (int16_t)1) {
fix16_t sin_value = angle.sind(); // calc sine from degrees
Serial << "angle = " << _FIX16(angle, 0)
<< " sin = " << _FIX16(sin_value, 4) /* 5 is max with fix16_t */
<< endl;
}
while(1); // stop here when done., press reset button to see again
}
