mirror of
https://github.com/RobTillaart/Arduino.git
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132 lines
2.9 KiB
C++
132 lines
2.9 KiB
C++
//
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// FILE: dhtint_setReadDelay.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: DHTINT library waitForRead example sketch for Arduino
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// URL: https://github.com/RobTillaart/DHTINT
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// DHT PIN layout from left to right
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// =================================
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// FRONT : DESCRIPTION
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// pin 1 : VCC
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// pin 2 : DATA
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// pin 3 : Not Connected
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// pin 4 : GND
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#include <dhtint.h>
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DHTINT mySensor(5); // ESP 16 UNO 5 MKR1010 5
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void setup()
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{
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while(!Serial); // MKR1010 needs this
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Serial.begin(115200);
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Serial.println("dhtint_setReadDelay");
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Serial.print("DHTINT_LIB_VERSION: ");
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Serial.println(DHTINT_LIB_VERSION);
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Serial.println();
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// MKR1010 needs this
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// mySensor.setDisableIRQ(false);
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delay(2000); // boot time
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mySensor.setWaitForReading(true);
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uint16_t rd = 2000;
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uint16_t step = 2000;
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while (step)
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{
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step /= 2;
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mySensor.setReadDelay(rd);
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int chk = mySensor.read();
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Serial.print("ReadDelay (ms): ");
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Serial.print(mySensor.getReadDelay());
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Serial.print("\t T: ");
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Serial.print(mySensor.getTemperature(), 1);
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Serial.print("\t H: ");
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Serial.print(mySensor.getHumidity(), 1);
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Serial.print("\t");
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printStatus(chk);
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if (chk == DHTLIB_OK) rd -= step;
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else {
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rd += step;
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mySensor.read();
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}
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}
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// safety margin of 100 uSec
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rd += 100;
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mySensor.setReadDelay(rd);
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Serial.print("\nreadDelay set to (ms) : ");
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Serial.print(mySensor.getReadDelay());
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Serial.println("\n\nDuration test started");
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}
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void loop()
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{
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// Note: the library prevents reads faster than readDelay...
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// it will return previous values for T & H
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int chk = mySensor.read();
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Serial.print(millis());
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Serial.print("\t");
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Serial.print(mySensor.getReadDelay());
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Serial.print("\t T: ");
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Serial.print(mySensor.getTemperature(), 1);
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Serial.print("\t H: ");
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Serial.print(mySensor.getHumidity(), 1);
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Serial.print("\t");
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printStatus(chk);
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}
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void printStatus(int chk)
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{
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switch (chk)
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{
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case DHTLIB_OK:
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Serial.print("OK,\t");
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break;
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case DHTLIB_ERROR_CHECKSUM:
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Serial.print("Checksum error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT_A:
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Serial.print("Time out A error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT_B:
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Serial.print("Time out B error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT_C:
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Serial.print("Time out C error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT_D:
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Serial.print("Time out D error,\t");
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break;
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case DHTLIB_ERROR_SENSOR_NOT_READY:
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Serial.print("Sensor not ready,\t");
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break;
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case DHTLIB_ERROR_BIT_SHIFT:
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Serial.print("Bit shift error,\t");
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break;
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case DHTLIB_WAITING_FOR_READ:
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Serial.print("Waiting for read,\t");
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break;
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default:
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Serial.print("Unknown: ");
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Serial.print(chk);
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Serial.print(",\t");
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break;
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}
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Serial.println();
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}
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// -- END OF FILE --
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