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0.1.35 DHTlib

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rob tillaart 2021-12-16 16:44:08 +01:00
parent a790900a79
commit 42c06fdaf5
17 changed files with 253 additions and 230 deletions
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2
libraries/DHTlib/LICENSE
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@ -1,6 +1,6 @@
MIT License
Copyright (c) 2011-2021 Rob Tillaart
Copyright (c) 2011-2022 Rob Tillaart
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

117
libraries/DHTlib/dht.cpp
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@ -1,56 +1,80 @@
//
// FILE: dht.cpp
// AUTHOR: Rob Tillaart
// VERSION: 0.1.34
// VERSION: 0.1.35
// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino, AVR optimized
// URL: https://github.com/RobTillaart/DHTlib
// http://arduino.cc/playground/Main/DHTLib
//
// HISTORY:
// 0.1.34 2021-11-13 fix negative temperature DHT22 again (code from DHTNew)
// 0.1.33 2021-02-16 fix #6 T-GO signal in handshake. (needed for long wires)
// 0.1.32 2021-02-01 fix negative temperature DHT22 again (code from DHTNew)
// 0.1.31 2020-12-15 fix negative temperature DHT22 (code from DHTNew)
// 0.1.30 2020-06-30 own repo;
// 0.1.29 2018-09-02 fix negative temperature DHT12 - issue #111
// 0.1.28 2018-04-03 refactor
// 0.1.27 2018-03-26 added _disableIRQ flag
// 0.1.26 2017-12-12 explicit support for AM23XX series and DHT12
// 0.1.25 2017-09-20 FIX https://github.com/RobTillaart/Arduino/issues/80
// 0.1.24 2017-07-27 FIX https://github.com/RobTillaart/Arduino/issues/33 double -> float
// 0.1.23 2017-07-24 FIX https://github.com/RobTillaart/Arduino/issues/31
// 0.1.22 undo delayMicroseconds() for wakeups larger than 8
// 0.1.21 replace delay with delayMicroseconds() + small fix
// 0.1.20 Reduce footprint by using uint8_t as error codes. (thanks to chaveiro)
// 0.1.19 masking error for DHT11 - FIXED (thanks Richard for noticing)
// 0.1.18 version 1.16/17 broke the DHT11 - FIXED
// 0.1.17 replaced micros() with adaptive loopcount
// removed DHTLIB_INVALID_VALUE
// added DHTLIB_ERROR_CONNECT
// added DHTLIB_ERROR_ACK_L DHTLIB_ERROR_ACK_H
// 0.1.16 masking unused bits (less errors); refactored bits[]
// 0.1.15 reduced # micros calls 2->1 in inner loop.
// 0.1.14 replace digital read with faster (~3x) code => more robust low MHz machines.
//
// 0.1.13 fix negative temperature
// 0.1.12 support DHT33 and DHT44 initial version
// 0.1.11 renamed DHTLIB_TIMEOUT
// 0.1.10 optimized faster WAKEUP + TIMEOUT
// 0.1.09 optimize size: timeout check + use of mask
// 0.1.08 added formula for timeout based upon clockspeed
// 0.1.07 added support for DHT21
// 0.1.06 minimize footprint (2012-12-27)
// 0.1.05 fixed negative temperature bug (thanks to Roseman)
// 0.1.04 improved readability of code using DHTLIB_OK in code
// 0.1.03 added error values for temp and humidity when read failed
// 0.1.02 added error codes
// 0.1.01 added support for Arduino 1.0, fixed typos (31/12/2011)
// 0.1.00 by Rob Tillaart (01/04/2011)
//
// HISTORY:
// 0.1.35 2021-12-16 update library.json, license, #pragma once,
// move private defines to .cpp file
// 0.1.34 2021-11-13 fix negative temperature DHT22 again (code from DHTNew)
// 0.1.33 2021-02-16 fix #6 T-GO signal in handshake. (needed for long wires)
// 0.1.32 2021-02-01 fix negative temperature DHT22 again (code from DHTNew)
// 0.1.31 2020-12-15 fix negative temperature DHT22 (code from DHTNew)
// 0.1.30 2020-06-30 own repo;
// 0.1.29 2018-09-02 fix negative temperature DHT12 - issue #111
// 0.1.28 2018-04-03 refactor
// 0.1.27 2018-03-26 added _disableIRQ flag
// 0.1.26 2017-12-12 explicit support for AM23XX series and DHT12
// 0.1.25 2017-09-20 FIX https://github.com/RobTillaart/Arduino/issues/80
// 0.1.24 2017-07-27 FIX https://github.com/RobTillaart/Arduino/issues/33 double -> float
// 0.1.23 2017-07-24 FIX https://github.com/RobTillaart/Arduino/issues/31
// 0.1.22 undo delayMicroseconds() for wakeups larger than 8
// 0.1.21 replace delay with delayMicroseconds() + small fix
// 0.1.20 Reduce footprint by using uint8_t as error codes. (thanks to chaveiro)
// 0.1.19 masking error for DHT11 - FIXED (thanks Richard for noticing)
// 0.1.18 version 1.16/17 broke the DHT11 - FIXED
// 0.1.17 replaced micros() with adaptive loopcount
// removed DHTLIB_INVALID_VALUE
// added DHTLIB_ERROR_CONNECT
// added DHTLIB_ERROR_ACK_L DHTLIB_ERROR_ACK_H
// 0.1.16 masking unused bits (less errors); refactored bits[]
// 0.1.15 reduced # micros calls 2->1 in inner loop.
// 0.1.14 replace digital read with faster (~3x) code => more robust low MHz machines.
//
// 0.1.13 fix negative temperature
// 0.1.12 support DHT33 and DHT44 initial version
// 0.1.11 renamed DHTLIB_TIMEOUT
// 0.1.10 optimized faster WAKEUP + TIMEOUT
// 0.1.09 optimize size: timeout check + use of mask
// 0.1.08 added formula for timeout based upon clockspeed
// 0.1.07 added support for DHT21
// 0.1.06 minimize footprint (2012-12-27)
// 0.1.05 fixed negative temperature bug (thanks to Roseman)
// 0.1.04 improved readability of code using DHTLIB_OK in code
// 0.1.03 added error values for temp and humidity when read failed
// 0.1.02 added error codes
// 0.1.01 added support for Arduino 1.0, fixed typos (31/12/2011)
// 0.1.00 by Rob Tillaart (01/04/2011)
//
// inspired by DHT11 library
#include "dht.h"
#define DHTLIB_DHT11_WAKEUP 18
#define DHTLIB_DHT_WAKEUP 1
#define DHTLIB_DHT11_LEADING_ZEROS 1
#define DHTLIB_DHT_LEADING_ZEROS 6
// max timeout is 100 microseconds.
// For a 16 MHz processor 100 microseconds is 1600 clock cycles
// loops using DHTLIB_TIMEOUT use at least 4 clock cycles
// so 100 us takes max 400 loops
// so by dividing F_CPU by 40000 we "fail" as fast as possible
#ifndef F_CPU
#define DHTLIB_TIMEOUT 1000 // should be approx. clock/40000
#else
#define DHTLIB_TIMEOUT (F_CPU/40000)
#endif
/////////////////////////////////////////////////////
//
// PUBLIC
@ -80,6 +104,7 @@ int8_t dht::read11(uint8_t pin)
return result;
}
int8_t dht::read12(uint8_t pin)
{
// READ VALUES
@ -104,6 +129,7 @@ int8_t dht::read12(uint8_t pin)
return result;
}
int8_t dht::read(uint8_t pin)
{
// READ VALUES
@ -164,11 +190,11 @@ int8_t dht::read(uint8_t pin)
return result;
}
/////////////////////////////////////////////////////
//
// PRIVATE
//
int8_t dht::_readSensor(uint8_t pin, uint8_t wakeupDelay, uint8_t leadingZeroBits)
{
// INIT BUFFERVAR TO RECEIVE DATA
@ -273,6 +299,7 @@ int8_t dht::_readSensor(uint8_t pin, uint8_t wakeupDelay, uint8_t leadingZeroBit
// digitalWrite(pin, HIGH);
return DHTLIB_OK;
}
//
// END OF FILE
//
// -- END OF FILE --

37
libraries/DHTlib/dht.h
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@ -1,17 +1,12 @@
#pragma once
//
// FILE: dht.h
// AUTHOR: Rob Tillaart
// VERSION: 0.1.34
// VERSION: 0.1.35
// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino. AVR optimized
// URL: https://github.com/RobTillaart/DHTlib
// http://arduino.cc/playground/Main/DHTLib
//
// HISTORY:
// see dht.cpp file
//
#ifndef dht_h
#define dht_h
#if ARDUINO < 100
#include <WProgram.h>
@ -21,7 +16,7 @@
#endif
#define DHT_LIB_VERSION (F("0.1.34"))
#define DHT_LIB_VERSION (F("0.1.35"))
#define DHTLIB_OK 0
#define DHTLIB_ERROR_CHECKSUM -1
@ -30,24 +25,6 @@
#define DHTLIB_ERROR_ACK_L -4
#define DHTLIB_ERROR_ACK_H -5
#define DHTLIB_DHT11_WAKEUP 18
#define DHTLIB_DHT_WAKEUP 1
#define DHTLIB_DHT11_LEADING_ZEROS 1
#define DHTLIB_DHT_LEADING_ZEROS 6
// max timeout is 100 usec.
// For a 16 Mhz proc 100 usec is 1600 clock cycles
// loops using DHTLIB_TIMEOUT use at least 4 clock cycli
// so 100 us takes max 400 loops
// so by dividing F_CPU by 40000 we "fail" as fast as possible
#ifndef F_CPU
#define DHTLIB_TIMEOUT 1000 // ahould be approx. clock/40000
#else
#define DHTLIB_TIMEOUT (F_CPU/40000)
#endif
class dht
{
@ -85,7 +62,7 @@ private:
int8_t _readSensor(uint8_t pin, uint8_t wakeupDelay, uint8_t leadingZeroBits);
bool _disableIRQ;
};
#endif
//
// END OF FILE
//
// -- END OF FILE --

31
libraries/DHTlib/examples/dht11_test/dht11_test.ino
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@ -1,17 +1,16 @@
//
// FILE: dht11_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.01
// PURPOSE: DHT library test sketch for DHT11 && Arduino
// URL: https://github.com/RobTillaart/DHTlib
//
#include <dht.h>
dht DHT;
#define DHT11_PIN 5
#define DHT11_PIN 5
void setup()
{
@ -23,6 +22,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}
void loop()
{
// READ DATA
@ -31,14 +31,14 @@ void loop()
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
@ -49,8 +49,8 @@ void loop()
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
@ -59,6 +59,7 @@ void loop()
delay(2000);
}
//
// END OF FILE
//
// -- END OF FILE --

30
libraries/DHTlib/examples/dht12_test/dht12_test.ino
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@ -1,16 +1,16 @@
//
// FILE: dht12_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.0
// PURPOSE: DHT library test sketch for DHT12 && Arduino
// URL: https://github.com/RobTillaart/DHTlib
//
#include <dht.h>
dht DHT;
#define DHT12_PIN 5
#define DHT12_PIN 5
void setup()
{
@ -22,6 +22,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}
void loop()
{
// READ DATA
@ -30,17 +31,17 @@ void loop()
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
Serial.print("Time out error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
@ -49,6 +50,7 @@ void loop()
delay(2000);
}
//
// END OF FILE
//
// -- END OF FILE --

17
libraries/DHTlib/examples/dht21_test/dht21_test.ino
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@ -1,19 +1,16 @@
//
// FILE: dht21_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.02
// PURPOSE: DHT library test sketch for DHT21 && Arduino
// URL:
//
// Released to the public domain
//
#include <dht.h>
dht DHT;
#define DHT21_PIN 5
#define DHT21_PIN 5
void setup()
{
@ -25,6 +22,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}
void loop()
{
// READ DATA
@ -61,6 +59,7 @@ void loop()
delay(2000);
}
//
// END OF FILE
//
// -- END OF FILE --

7
libraries/DHTlib/examples/dht22_in_function/dht22_in_function.ino
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@ -1,17 +1,17 @@
//
// FILE: dht22_in_function.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.0
// DATE: 2021-02-19
// PURPOSE: show usage of DHT object in a function
// based on issue #8
// URL: https://github.com/RobTillaart/DHTlib
// based on issue #8
#include "dht.h"
#define DHTPIN 8
void printDHT(const uint8_t pin) // uint8_t is an 8 bit unsigned integer
{
// This command questions a DHT22 on a specific 'pin'.
@ -58,6 +58,7 @@ void printDHT(const uint8_t pin) // uint8_t is an 8 bit unsigned integer
}
}
void setup()
{
Serial.begin(115200);
@ -77,4 +78,6 @@ void loop()
// add your other code here
}
// -- END OF FILE --

22
libraries/DHTlib/examples/dht22_test/dht22_test.ino
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@ -1,22 +1,16 @@
//
// FILE: dht22_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.03
// PURPOSE: DHT library test sketch for DHT22 && Arduino
// URL: https://github.com/RobTillaart/DHTlib
//
// HISTORY:
// 0.1.03 extended stats for all errors
// 0.1.02 added counters for error-regression testing.
// 0.1.01
// 0.1.00 initial version
//
#include <dht.h>
dht DHT;
#define DHT22_PIN 5
#define DHT22_PIN 5
struct
{
@ -30,6 +24,7 @@ struct
uint32_t unknown;
} stat = { 0,0,0,0,0,0,0,0};
void setup()
{
Serial.begin(115200);
@ -40,6 +35,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)\tTime (us)");
}
void loop()
{
// READ DATA
@ -111,6 +107,8 @@ void loop()
}
delay(2000);
}
//
// END OF FILE
//
// -- END OF FILE --

23
libraries/DHTlib/examples/dht22_test_noIRQ/dht22_test_noIRQ.ino
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@ -1,14 +1,9 @@
//
// FILE: dht22_test_noIRQ.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.0
// PURPOSE: DHT library test sketch for DHT22 && Arduino
// URL:
// HISTORY:
// 0.1.0 initial version
//
// Released to the public domain
//
// URL: https://github.com/RobTillaart/DHTlib
#include <dht.h>
@ -16,6 +11,7 @@ dht DHT;
#define DHT22_PIN 5
struct
{
uint32_t total;
@ -30,6 +26,7 @@ struct
uint32_t mintime;
} stat = { 0,0,0,0,0,0,0,0, 0, 9999};
void setup()
{
Serial.begin(115200);
@ -37,16 +34,17 @@ void setup()
Serial.print("LIBRARY VERSION: ");
Serial.println(DHT_LIB_VERSION);
Serial.println();
Serial.print("IRQ:\t");
Serial.println( DHT.getDisableIRQ() );
DHT.setDisableIRQ(true);
Serial.print("IRQ:\t");
Serial.println( DHT.getDisableIRQ() );
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)\tTime (us)");
}
void loop()
{
// READ DATA
@ -125,6 +123,7 @@ void loop()
}
delay(500);
}
//
// END OF FILE
//
// -- END OF FILE --

18
libraries/DHTlib/examples/dht33_test/dht33_test.ino
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@ -1,18 +1,16 @@
//
// FILE: dht33_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.01
// PURPOSE: DHT library test sketch for DHT33 && Arduino
// URL:
//
// Released to the public domain
//
// URL: https://github.com/RobTillaart/DHTlib
#include <dht.h>
dht DHT;
#define DHT33_PIN 5
#define DHT33_PIN 5
void setup()
{
@ -24,6 +22,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)\tTime (us)");
}
void loop()
{
// READ DATA
@ -69,6 +68,7 @@ void loop()
// ADJUST TO YOUR NEEDS
delay(1000);
}
//
// END OF FILE
//
// -- END OF FILE --

18
libraries/DHTlib/examples/dht44_test/dht44_test.ino
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@ -1,18 +1,16 @@
//
// FILE: dht44_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.01
// PURPOSE: DHT library test sketch for DHT44 && Arduino
// URL:
//
// Released to the public domain
//
// URL: https://github.com/RobTillaart/DHTlib
#include <dht.h>
dht DHT;
#define DHT44_PIN 5
#define DHT44_PIN 5
void setup()
{
@ -24,6 +22,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)\tTime (us)");
}
void loop()
{
// READ DATA
@ -70,6 +69,7 @@ void loop()
delay(1000);
}
//
// END OF FILE
//
// -- END OF FILE --

69
libraries/DHTlib/examples/dht_test1/dht_test1.ino
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@ -1,20 +1,19 @@
//
// FILE: dht_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.08
// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino
// URL: https://github.com/RobTillaart/DHTlib
// URL: http://arduino.cc/playground/Main/DHTLib
//
// Released to the public domain
//
#include <dht.h>
dht DHT;
#define DHT11_PIN 4
#define DHT21_PIN 5
#define DHT22_PIN 6
#define DHT11_PIN 4
#define DHT21_PIN 5
#define DHT22_PIN 6
void setup()
{
@ -26,6 +25,7 @@ void setup()
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}
void loop()
{
// READ DATA
@ -34,14 +34,14 @@ void loop()
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
@ -52,8 +52,8 @@ void loop()
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
@ -62,21 +62,20 @@ void loop()
delay(1000);
// READ DATA
Serial.print("DHT21, \t");
chk = DHT.read21(DHT21_PIN);
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
@ -87,8 +86,8 @@ void loop()
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
@ -103,14 +102,14 @@ void loop()
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
@ -121,8 +120,8 @@ void loop()
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity,1);
@ -131,6 +130,6 @@ void loop()
delay(1000);
}
//
// END OF FILE
//
// -- END OF FILE --

30
libraries/DHTlib/examples/dht_tuning/dht_tuning.ino
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@ -1,18 +1,24 @@
//
// FILE: dht_tuning.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.00
// PURPOSE: DHT test sketch for DHT22 && Arduino => find minimum time between reads
// URL:
//
// Released to the public domain
//
// URL: https://github.com/RobTillaart/DHTlib
#include <dht.h>
dht DHT;
#define DHT22_PIN 2
#define DHT22_PIN 2
int del = 500;
uint32_t startRead = 0;
uint32_t stopRead = 0;
uint32_t startCycle = 0;
uint32_t stopCycle = 0;
uint32_t tempCycle = 0;
void setup()
{
@ -24,12 +30,6 @@ void setup()
Serial.println("Type,\tstatus,\t\tHumidity (%),\tTemperatur (C),\tT_Read (us)\tT_Cycle (us)\tT_Delay (us)");
}
int del = 500;
uint32_t startRead = 0;
uint32_t stopRead = 0;
uint32_t startCycle = 0;
uint32_t stopCycle = 0;
uint32_t tempCycle = 0;
void loop()
{
@ -87,7 +87,7 @@ void loop()
}
while(1);
}
//
// END OF FILE
//
// -- END OF FILE --

27
libraries/DHTlib/keywords.txt
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@ -1,17 +1,11 @@
#######################################
# Syntax Coloring Map For DHT
#######################################
# Syntax Colouring Map For DHT
#######################################
# Datatypes (KEYWORD1)
#######################################
# Data types (KEYWORD1)
DHT KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
# Methods and Functions (KEYWORD2)
read KEYWORD2
read11 KEYWORD2
read12 KEYWORD2
@ -19,20 +13,27 @@ read21 KEYWORD2
read22 KEYWORD2
read33 KEYWORD2
read44 KEYWORD2
read2301 KEYWORD2
read2302 KEYWORD2
read2303 KEYWORD2
read2320 KEYWORD2
read2322 KEYWORD2
humidity KEYWORD2
temperature KEYWORD2
#######################################
# Instances (KEYWORD2)
#######################################
#######################################
# Constants (LITERAL1)
#######################################
DHT_LIB_VERSION LITERAL1
DHTLIB_OK LITERAL1
DHTLIB_ERROR_CHECKSUM LITERAL1
DHTLIB_ERROR_TIMEOUT LITERAL1
DHTLIB_ERROR_CONNECT LITERAL1
DHTLIB_ERROR_ACK_L LITERAL1
DHTLIB_ERROR_ACK_H LITERAL1

7
libraries/DHTlib/library.json
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@ -1,6 +1,6 @@
{
"name": "DHTlib",
"keywords": "DHT11 DHT22 AM2301 AM2302 AM2303 AM2320 AM2322",
"keywords": "DHT11,DHT22,AM2301,AM2302,AM2303,AM2320,AM2322",
"description": "Optimized Library for DHT Temperature & Humidity Sensor on AVR only.",
"authors":
[
@ -15,8 +15,9 @@
"type": "git",
"url": "https://github.com/RobTillaart/DHTlib.git"
},
"version": "0.1.34",
"version": "0.1.35",
"license": "MIT",
"frameworks": "arduino",
"platforms": "*"
"platforms": "*",
"headers": "dht.h"
}

2
libraries/DHTlib/library.properties
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@ -1,5 +1,5 @@
name=DHTlib
version=0.1.34
version=0.1.35
author=Rob Tillaart <rob.tillaart@gmail.com>
maintainer=Rob Tillaart <rob.tillaart@gmail.com>
sentence=AVR Optimized Library for DHT Temperature & Humidity Sensor on AVR only.

26
libraries/DHTlib/readme.md
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@ -57,12 +57,12 @@ See examples
==> See DHTStable library for latest stable version for all platforms.
- version 0.1.13 is the last stable version for both AVR and ARM
- version 0.1.14 and up are not compatible anymore with pre 1.0 Arduino.
These have breaking changes wrt ARM based arduino's e.g DUE.
- version 0.1.14 and up are not compatible any more with pre 1.0 Arduino.
These have breaking changes wrt ARM based Arduino's e.g DUE.
- version 0.1.15 is stable version for AVR only
- version 0.1.16 and 0.1.17 have breaking changes for DHT11
- version 0.1.18 works again for DHT11 (avr only)
- version 0.1.19 fixed masking bug DHT11 (avr only)
- version 0.1.18 works again for DHT11 (AVR only)
- version 0.1.19 fixed masking bug DHT11 (AVR only)
- version 0.1.20 Reduce footprint (34 bytes) by using int8_t as error codes. (thanks to chaveiro)
- version 0.1.21 replace delay with delayMicroseconds() + small fix (thanks to codingforfun)
- version 0.1.22 undo delayMicroseconds() for wakeups larger than 8
@ -70,8 +70,24 @@ These have breaking changes wrt ARM based arduino's e.g DUE.
- version 0.1.24 fix https://github.com/RobTillaart/Arduino/issues/33
- version 0.1.25 fix https://github.com/RobTillaart/Arduino/issues/80
- version 0.1.26 Explicit support for AM23XX series and DHT12
- version 0.1.27 added _disableIRQ flag
- version 0.1.27 added \_disableIRQ flag
- version 0.1.28 refactor
- version 0.1.29 fix negative temperature DHT12 - issue #111
- version 0.1.30 own repo version
- version 0.1.31 fix negative temperature DHT22 (code from DHTNew)
- version 0.1.32 fix negative temperature DHT22 again (code from DHTNew)
- version 0.1.33 fix #6 T-GO signal in handshake. (needed for long wires)
- version 0.1.34 fix negative temperature DHT22 again (code from DHTNew)
- version 0.1.35 update license, library.json, #pragma once, minor edits
## Future
- updates only on request basis (bugs)
- improve documentation
- improve unit tests
- constants
- move non public part of #defines to .cpp
- separate history versions releasenotes file ?
-