arduinoprojects

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dhtnew_waitForRead.ino (3059B)

      1 //
      2 //    FILE: dhtnew_waitForRead.ino
      3 //  AUTHOR: Mr-HaleYa
      4 // VERSION: 0.1.2
      5 // PURPOSE: DHTNEW library waitForRead example sketch for Arduino
      6 //     URL: https://github.com/RobTillaart/DHTNew
      7 //
      8 // HISTORY:
      9 // 0.1.0    2020-05-03 initial version
     10 // 0.1.1    2020-06-08 updated error handling
     11 // 0.1.2    2020-06-15 match 0.3.0 error handling
     12 //
     13 // DHT PIN layout from left to right
     14 // =================================
     15 // FRONT : DESCRIPTION  
     16 // pin 1 : VCC
     17 // pin 2 : DATA
     18 // pin 3 : Not Connected
     19 // pin 4 : GND
     20 
     21 #include <dhtnew.h>
     22 
     23 DHTNEW mySensor(16);
     24 
     25 void setup()
     26 {
     27   Serial.begin(115200);
     28   Serial.println("\n");
     29   Serial.println("dhtnew_waitForRead.ino");
     30   Serial.print("LIBRARY VERSION: ");
     31   Serial.println(DHTNEW_LIB_VERSION);
     32   Serial.println();
     33   Serial.println("This sketch shows the use of the setWaitForReading() flag (default value is false).");
     34   Serial.println("Setting the flag to true will make the sketch wait until the sensor is ready to take another reading.");
     35   Serial.println("Otherwise, if the sensor was not ready to take a new reading the previous data will be returned.");
     36   Serial.println("Note: Sensor reading times vary with sensor type");
     37 
     38   Serial.println("\n1. Test with WaitForReading not set");
     39   Serial.println("AGE\tHUMI\tTEMP\tTIME\tTYPE\tSTAT");
     40   test();
     41   test();
     42   test();
     43   test();
     44   test();
     45 
     46   Serial.print("\n2. Test with WaitForReading set to ");
     47   mySensor.setWaitForReading(true);
     48   Serial.println(mySensor.getWaitForReading() ? "true" : "false");
     49   Serial.println("AGE\tHUMI\tTEMP\tTIME\tTYPE\tSTAT");
     50   test();
     51   test();
     52   test();
     53   test();
     54   test();
     55 
     56   Serial.println("\nDone...");
     57 }
     58 
     59 void loop()
     60 {
     61 
     62 }
     63 
     64 void test()
     65 {
     66   // READ DATA
     67   uint32_t start = micros();
     68   int chk = mySensor.read();
     69   uint32_t stop = micros();
     70   uint32_t duration = stop - start;
     71 
     72   // DISPLAY IF OLD OR NEW DATA
     73   if (duration > 50){Serial.print("NEW\t");}else{Serial.print("OLD\t");}
     74   
     75   // DISPLAY DATA
     76   Serial.print(mySensor.getHumidity(), 1);
     77   Serial.print(",\t");
     78   Serial.print(mySensor.getTemperature(), 1);
     79   Serial.print(",\t");
     80   Serial.print(duration);
     81   Serial.print(",\t");
     82   Serial.print(mySensor.getType());
     83   Serial.print(",\t");
     84 
     85   switch (chk)
     86   {
     87     case DHTLIB_OK:
     88       Serial.print("OK,\t");
     89       break;
     90     case DHTLIB_ERROR_CHECKSUM:
     91       Serial.print("Checksum error,\t");
     92       break;
     93     case DHTLIB_ERROR_TIMEOUT_A:
     94       Serial.print("Time out A error,\t");
     95       break;
     96     case DHTLIB_ERROR_TIMEOUT_B:
     97       Serial.print("Time out B error,\t");
     98       break;
     99     case DHTLIB_ERROR_TIMEOUT_C:
    100       Serial.print("Time out C error,\t");
    101       break;
    102     case DHTLIB_ERROR_TIMEOUT_D:
    103       Serial.print("Time out D error,\t");
    104       break;
    105     case DHTLIB_ERROR_SENSOR_NOT_READY:
    106       Serial.print("Sensor not ready,\t");
    107       break;
    108     case DHTLIB_ERROR_BIT_SHIFT:
    109       Serial.print("Bit shift error,\t");
    110       break;
    111     default:
    112       Serial.print("Unknown: ");
    113       Serial.print(chk);
    114       Serial.print(",\t");
    115       break;
    116   }
    117   Serial.println();
    118   delay(100);
    119 }
    120 
    121 // END OF FILE