GY-63_MS5611/libraries/DHTstable/examples/dht22_test/dht22_test.ino

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//
// FILE: dht22_test.ino
// AUTHOR: Rob Tillaart
// PURPOSE: DHT library test sketch for DHT22 && Arduino
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// URL: https://github.com/RobTillaart/DHTstable
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#include "DHTStable.h"
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DHTStable DHT;
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#define DHT22_PIN 5
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struct
{
uint32_t total;
uint32_t ok;
uint32_t crc_error;
uint32_t time_out;
uint32_t connect;
uint32_t ack_l;
uint32_t ack_h;
uint32_t unknown;
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} counter = { 0,0,0,0,0,0,0,0};
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void setup()
{
Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("LIBRARY VERSION: ");
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Serial.println(DHTSTABLE_LIB_VERSION);
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Serial.println();
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)\tTime (us)");
}
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void loop()
{
// READ DATA
Serial.print("DHT22, \t");
uint32_t start = micros();
int chk = DHT.read22(DHT22_PIN);
uint32_t stop = micros();
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counter.total++;
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switch (chk)
{
case DHTLIB_OK:
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counter.ok++;
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Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
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counter.crc_error++;
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Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
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counter.time_out++;
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Serial.print("Time out error,\t");
break;
default:
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counter.unknown++;
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Serial.print("Unknown error,\t");
break;
}
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// DISPLAY DATA
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Serial.print(DHT.getHumidity(), 1);
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Serial.print(",\t");
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Serial.print(DHT.getTemperature(), 1);
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Serial.print(",\t");
Serial.print(stop - start);
Serial.println();
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// DISPLAY COUNTERS
if (counter.total % 20 == 0)
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{
Serial.println("\nTOT\tOK\tCRC\tTO\tUNK");
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Serial.print(counter.total);
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Serial.print("\t");
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Serial.print(counter.ok);
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Serial.print("\t");
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Serial.print(counter.crc_error);
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Serial.print("\t");
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Serial.print(counter.time_out);
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Serial.print("\t");
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Serial.print(counter.connect);
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Serial.print("\t");
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Serial.print(counter.ack_l);
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Serial.print("\t");
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Serial.print(counter.ack_h);
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Serial.print("\t");
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Serial.print(counter.unknown);
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Serial.println("\n");
}
delay(2000);
}
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// -- END OF FILE --
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