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v 0.1.1 Optimization by pylon

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added a changelog
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niesteszeck 2013-07-04 10:14:49 -04:00
parent 56cfe7e0bd
commit b958c6e1f6
3 changed files with 39 additions and 15 deletions
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25
README.md
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@ -3,11 +3,22 @@ idDHT11
Interrupt driven DHT11 library Interrupt driven DHT11 library
VERSION: 0.1 VERSION: 0.1.1
PURPOSE: Interrupt driven Lib for DHT11 with Arduino.
LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf
Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib PURPOSE: Interrupt driven Lib for DHT11 with Arduino.
LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf
Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib
Changelog:
v 0.1
First version, added Functionality to DHT11 sensor
v 0.1.1
Optimizacion on shift var (pylon from Arduino Forum)

11
idDHT11.cpp
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@ -1,11 +1,17 @@
/* /*
FILE: idDHT11.cpp FILE: idDHT11.cpp
VERSION: 0.1 VERSION: 0.1.1
PURPOSE: Interrupt driven Lib for DHT11 with Arduino. PURPOSE: Interrupt driven Lib for DHT11 with Arduino.
LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html) LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf
Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib
Changelog:
v 0.1
First version, added Functionality to DHT11 sensor
v 0.1.1
Optimizacion on shift var (pylon from Arduino Forum)
*/ */
#include "idDHT11.h" #include "idDHT11.h"
@ -91,8 +97,9 @@ void idDHT11::isrCallback() {
status = IDDHTLIB_ERROR_DELTA; status = IDDHTLIB_ERROR_DELTA;
state = STOPPED; state = STOPPED;
} else if(60<delta && delta<135) { //valid in timing } else if(60<delta && delta<135) { //valid in timing
bits[idx] <<= 1;
if(delta>90) //is a one if(delta>90) //is a one
bits[idx] |= (1 << cnt); bits[idx] |= 1;
if (cnt == 0) { // whe have fullfilled the byte, go to next if (cnt == 0) { // whe have fullfilled the byte, go to next
cnt = 7; // restart at MSB cnt = 7; // restart at MSB
if(idx++ == 4) { // go to next byte, if whe have got 5 bytes stop. if(idx++ == 4) { // go to next byte, if whe have got 5 bytes stop.

18
idDHT11.h
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@ -1,11 +1,17 @@
/* /*
FILE: idDHT11.h FILE: idDHT11.h
VERSION: 0.1 VERSION: 0.1.1
PURPOSE: Interrupt driven Lib for DHT11 with Arduino. PURPOSE: Interrupt driven Lib for DHT11 with Arduino.
LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html) LICENCE: GPL v3 (http://www.gnu.org/licenses/gpl.html)
DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf DATASHEET: http://www.micro4you.com/files/sensor/DHT11.pdf
Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib Based on DHT11 library: http://playground.arduino.cc/Main/DHT11Lib
Changelog:
v 0.1
First version, added Functionality to DHT11 sensor
v 0.1.1
Optimizacion on shift var (pylon from Arduino Forum)
*/ */
@ -18,7 +24,7 @@
#include <WProgram.h> #include <WProgram.h>
#endif #endif
#define IDDHT11LIB_VERSION "0.1" #define IDDHT11LIB_VERSION "0.1.1"
// state codes // state codes
#define IDDHTLIB_OK 0 #define IDDHTLIB_OK 0
@ -33,9 +39,9 @@
#define IDDHTLIB_ERROR_DELTA -4 #define IDDHTLIB_ERROR_DELTA -4
#define IDDHTLIB_ERROR_NOTSTARTED -5 #define IDDHTLIB_ERROR_NOTSTARTED -5
#define IDDHT11_CHECK_STATE if(state == STOPPED) \ #define IDDHT11_CHECK_STATE if(state == STOPPED) \
return status; \ return status; \
else if(state != ACQUIRED) \ else if(state != ACQUIRED) \
return IDDHTLIB_ERROR_ACQUIRING; return IDDHTLIB_ERROR_ACQUIRING;
class idDHT11 class idDHT11