69 lines
1.5 KiB
Arduino
69 lines
1.5 KiB
Arduino
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//This file contains subroutines for the humidity sensor.
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void HumSetup(){
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//nothing happens here
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}
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float HumReadTemp(){
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//note this isn't working yet, no traffic on the I2C1 bus
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int HumTemp1 = 0;
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int HumTemp2 = 0;
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int HumTemp3 = 0;
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Serial.println("temp sub");
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Wire1.beginTransmission(HumAddr);
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Wire1.write(0xE3);
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delay(5);
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Wire1.requestFrom(HumAddr, 3);
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//while (!Wire1.available()) {
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// if (htu_tmo++ > HTU_TIMEOUT)
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// break;
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// else
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// delay(1);
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//}
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HumTemp1 = Wire1.read();
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HumTemp2 = Wire1.read();
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HumTemp3 = Wire1.read();
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//}
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Serial.println("read complete");
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int Stemp = (HumTemp1 << 8) | HumTemp2;
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float temp = -46.85 + (175.72 * Stemp / ((float) (unsigned int) 0x10000));
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return temp;
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// See data sheet for this formula
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}
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float HumReadHum(){
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//note this also isn't working yet, no traffic on the I2C1 bus
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int HumHum1 = 0;
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int HumHum2 = 0;
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int HumHum3 = 0;
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Serial.println("hum sub");
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Wire1.beginTransmission(HumAddr);
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Wire1.write(0xE5);
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delay(5);
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Wire1.requestFrom(HumAddr, 3);
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//while (!Wire1.available()) {
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// if (htu_tmo++ > HTU_TIMEOUT)
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// break;
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// else
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// delay(1);
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//}
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HumHum1 = Wire1.read();
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HumHum2 = Wire1.read();
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HumHum3 = Wire1.read();
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//}
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Serial.println("read complete");
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int SHumTemp = (HumHum1 << 8) | HumHum2;
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float temp = -6.0 + (125.0 * SHumTemp / ((float) (unsigned int) 0x10000));
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return temp;
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// See data sheet for this formula
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}
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