bool BaroSensorClass::getTempAndPressure(float *temperature, float *pressure, TempUnit tempScale, BaroOversampleLevel level)
{
if(err || !initialised)
return false;
int32_t d2 = takeReading(CMD_START_D2(level), level);
if(d2 == 0)
return false;
int64_t dt = d2 - c5 * (1L<<8);
int32_t temp = 2000 + (dt * c6) / (1L<<23);
/* Second order temperature compensation */
int64_t t2;
if(temp >= 2000) {
/* High temperature */
t2 = 5 * (dt * dt) / (1LL<<38);
} else {
/* Low temperature */
t2 = 3 * (dt * dt) / (1LL<<33);
}
if(temperature != NULL) {
*temperature = (float)(temp - t2) / 100;
if(tempScale == FAHRENHEIT)
*temperature = *temperature * 9 / 5 + 32;
}
if(pressure != NULL) {
int32_t d1 = takeReading(CMD_START_D1(level), level);
if(d1 == 0)
return false;
int64_t off = c2 * (1LL<<17) + (c4 * dt) / (1LL<<6);
int64_t sens = c1 * (1LL<<16) + (c3 * dt) / (1LL<<7);
/* Second order temperature compensation for pressure */
if(temp < 2000) {
/* Low temperature */
int32_t tx = temp-2000;
tx *= tx;
int32_t off2 = 61 * tx / (1<<4);
int32_t sens2 = 29 * tx / (1<<4);
if(temp < -1500) {
/* Very low temperature */
tx = temp+1500;
tx *= tx;
off2 += 17 * tx;
sens2 += 9 * tx;
}
off -= off2;
sens -= sens2;
}
int32_t p = ((int64_t)d1 * sens/(1LL<<21) - off) / (1LL << 15);
*pressure = (float)p / 100;
}
return true;
}
void IRSensor::setBalance(){
short fwd_average, bwd_average = 0;
for ( int i = 0; i < 8; i++){
takeReading();
fwd_average += getLastReading(0);
bwd_average += getLastReading(1);
}
fwd_average /= 8;
bwd_average /= 8;
fwd_balanced_reading = fwd_average;
bwd_balanced_reading = bwd_average;
}
void loop() {
char *cmd;
if ((cmd = getCmd()) != 0) {
switch(cmd[0]) {
case 'v':
sendMsg(VERSION_STR);
break;
case 'l':
cmdLed(cmd);
break;
case 'b':
cmdBut();
break;
case 'a':
getI2Caddresses();
break;
case 'r':
takeReading();
break;
}
}
procBut();
}
void BaroSensorClass::dumpDebugOutput()
{
Serial.print(F("C1 = 0x"));
Serial.println(c1, HEX);
Serial.print(F("C2 = 0x"));
Serial.println(c2, HEX);
Serial.print(F("C3 = 0x"));
Serial.println(c3, HEX);
Serial.print(F("C4 = 0x"));
Serial.println(c4, HEX);
Serial.print(F("C5 = 0x"));
Serial.println(c5, HEX);
Serial.print(F("C6 = 0x"));
Serial.println(c6, HEX);
Serial.print(F("d1 first = 0x"));
Serial.println(takeReading(CMD_START_D1(OSR_8192), OSR_8192));
Serial.print(F("d2 first = 0x"));
Serial.println(takeReading(CMD_START_D2(OSR_8192), OSR_8192));
Serial.print(F("d1 second = 0x"));
Serial.println(takeReading(CMD_START_D1(OSR_8192), OSR_8192));
Serial.print(F("d2 second = 0x"));
Serial.println(takeReading(CMD_START_D2(OSR_8192), OSR_8192));
Serial.print(F("d1 third = 0x"));
Serial.println(takeReading(CMD_START_D1(OSR_8192), OSR_8192));
Serial.print(F("d2 third = 0x"));
Serial.println(takeReading(CMD_START_D2(OSR_8192), OSR_8192));
float temp, pressure;
bool res = getTempAndPressure(&temp, &pressure);
Serial.print(F("result (fourth) = "));
Serial.println(res ? F("OK") : F("ERR"));
Serial.print(F("Temp (fourth) = "));
Serial.println(temp);
Serial.print(F("Pressure (fourth) = "));
Serial.println(pressure);
Serial.print(F("Error (fourth) = "));
Serial.println(err);
}
uint8_t PhotoCountSelectMonitor::getCount()
{
takeReading(); //update m_selectedPhotoCount
return m_selectedPhotoCount;
}//end getCount