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niesteszeck 2014-03-24 09:46:45 -03:00
commit dba784e36e
4 changed files with 35 additions and 17 deletions
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14
examples/idDHT11_Lib_example/idDHT11_Lib_example.ino
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@ -12,7 +12,7 @@ int idDHT11pin = 2; //Digital pin for comunications
int idDHT11intNumber = 0; //interrupt number (must be the one that use the previus defined pin (see table above) int idDHT11intNumber = 0; //interrupt number (must be the one that use the previus defined pin (see table above)
//declaration //declaration
void dht11_wrapper(); void dht11_wrapper(); // must be declared before the lib initialization
// Lib instantiate // Lib instantiate
idDHT11 DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper); idDHT11 DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper);
@ -25,6 +25,8 @@ void setup()
Serial.println(IDDHT11LIB_VERSION); Serial.println(IDDHT11LIB_VERSION);
Serial.println("---------------"); Serial.println("---------------");
} }
// This wrapper is in charge of calling
// mus be defined like this for the lib work
void dht11_wrapper() { void dht11_wrapper() {
DHT11.isrCallback(); DHT11.isrCallback();
} }
@ -45,8 +47,14 @@ void loop()
case IDDHTLIB_ERROR_CHECKSUM: case IDDHTLIB_ERROR_CHECKSUM:
Serial.println("Error\n\r\tChecksum error"); Serial.println("Error\n\r\tChecksum error");
break; break;
case IDDHTLIB_ERROR_TIMEOUT: case IDDHTLIB_ERROR_ISR_TIMEOUT:
Serial.println("Error\n\r\tTime out error"); Serial.println("Error\n\r\tISR Time out error");
break;
case IDDHTLIB_ERROR_RESPONSE_TIMEOUT:
Serial.println("Error\n\r\tResponse time out error");
break;
case IDDHTLIB_ERROR_DATA_TIMEOUT:
Serial.println("Error\n\r\tData time out error");
break; break;
case IDDHTLIB_ERROR_ACQUIRING: case IDDHTLIB_ERROR_ACQUIRING:
Serial.println("Error\n\r\tAcquiring"); Serial.println("Error\n\r\tAcquiring");

14
examples/idDHT11_Lib_example_Simple/idDHT11_Lib_example_Simple.ino
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@ -14,7 +14,7 @@ int idDHT11pin = 2; //Digital pin for comunications
int idDHT11intNumber = 0; //interrupt number (must be the one that use the previus defined pin (see table above) int idDHT11intNumber = 0; //interrupt number (must be the one that use the previus defined pin (see table above)
//declaration //declaration
void dht11_wrapper(); void dht11_wrapper(); // must be declared before the lib initialization
// Lib instantiate // Lib instantiate
idDHT11 DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper); idDHT11 DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper);
@ -27,6 +27,8 @@ void setup()
Serial.println(IDDHT11LIB_VERSION); Serial.println(IDDHT11LIB_VERSION);
Serial.println("---------------"); Serial.println("---------------");
} }
// This wrapper is in charge of calling
// mus be defined like this for the lib work
void dht11_wrapper() { void dht11_wrapper() {
DHT11.isrCallback(); DHT11.isrCallback();
} }
@ -45,8 +47,14 @@ void loop()
case IDDHTLIB_ERROR_CHECKSUM: case IDDHTLIB_ERROR_CHECKSUM:
Serial.println("Error\n\r\tChecksum error"); Serial.println("Error\n\r\tChecksum error");
break; break;
case IDDHTLIB_ERROR_TIMEOUT: case IDDHTLIB_ERROR_ISR_TIMEOUT:
Serial.println("Error\n\r\tTime out error"); Serial.println("Error\n\r\tISR time out error");
break;
case IDDHTLIB_ERROR_RESPONSE_TIMEOUT:
Serial.println("Error\n\r\tResponse time out error");
break;
case IDDHTLIB_ERROR_DATA_TIMEOUT:
Serial.println("Error\n\r\tData time out error");
break; break;
case IDDHTLIB_ERROR_ACQUIRING: case IDDHTLIB_ERROR_ACQUIRING:
Serial.println("Error\n\r\tAcquiring"); Serial.println("Error\n\r\tAcquiring");

8
idDHT11.cpp
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@ -67,7 +67,7 @@ void idDHT11::isrCallback() {
int delta = (newUs-us); int delta = (newUs-us);
us = newUs; us = newUs;
if (delta>6000) { if (delta>6000) {
status = IDDHTLIB_ERROR_TIMEOUT; status = IDDHTLIB_ERROR_ISR_TIMEOUT;
state = STOPPED; state = STOPPED;
detachInterrupt(intNumber); detachInterrupt(intNumber);
return; return;
@ -81,7 +81,7 @@ void idDHT11::isrCallback() {
state = DATA; state = DATA;
} else { } else {
detachInterrupt(intNumber); detachInterrupt(intNumber);
status = IDDHTLIB_ERROR_TIMEOUT; status = IDDHTLIB_ERROR_RESPONSE_TIMEOUT;
state = STOPPED; state = STOPPED;
} }
break; break;
@ -90,7 +90,7 @@ void idDHT11::isrCallback() {
detachInterrupt(intNumber); detachInterrupt(intNumber);
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<155) { //valid in timing
if(delta>90) //is a one if(delta>90) //is a one
bits[idx] |= (1 << cnt); bits[idx] |= (1 << cnt);
if (cnt == 0) { // whe have fullfilled the byte, go to next if (cnt == 0) { // whe have fullfilled the byte, go to next
@ -114,7 +114,7 @@ void idDHT11::isrCallback() {
} else cnt--; } else cnt--;
} else { } else {
detachInterrupt(intNumber); detachInterrupt(intNumber);
status = IDDHTLIB_ERROR_TIMEOUT; status = IDDHTLIB_ERROR_DATA_TIMEOUT;
state = STOPPED; state = STOPPED;
} }
break; break;

16
idDHT11.h
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@ -21,17 +21,19 @@
#define IDDHT11LIB_VERSION "0.1" #define IDDHT11LIB_VERSION "0.1"
// state codes // state codes
#define IDDHTLIB_OK 0 #define IDDHTLIB_OK 0
#define IDDHTLIB_ACQUIRING 1 #define IDDHTLIB_ACQUIRING 1
#define IDDHTLIB_ACQUIRED 2 #define IDDHTLIB_ACQUIRED 2
#define IDDHTLIB_RESPONSE_OK 3 #define IDDHTLIB_RESPONSE_OK 3
// error codes // error codes
#define IDDHTLIB_ERROR_CHECKSUM -1 #define IDDHTLIB_ERROR_CHECKSUM -1
#define IDDHTLIB_ERROR_TIMEOUT -2 #define IDDHTLIB_ERROR_ISR_TIMEOUT -2
#define IDDHTLIB_ERROR_ACQUIRING -3 #define IDDHTLIB_ERROR_RESPONSE_TIMEOUT -3
#define IDDHTLIB_ERROR_DELTA -4 #define IDDHTLIB_ERROR_DATA_TIMEOUT -4
#define IDDHTLIB_ERROR_NOTSTARTED -5 #define IDDHTLIB_ERROR_ACQUIRING -5
#define IDDHTLIB_ERROR_DELTA -6
#define IDDHTLIB_ERROR_NOTSTARTED -7
#define IDDHT11_CHECK_STATE if(state == STOPPED) \ #define IDDHT11_CHECK_STATE if(state == STOPPED) \
return status; \ return status; \
@ -71,4 +73,4 @@ private:
volatile float hum; volatile float hum;
volatile float temp; volatile float temp;
}; };
#endif // idDHT11_H__ #endif // idDHT11_H__