Merge pull request #1 from hjmhardsoft/master

fix error interrupt on Arduino Leonardo Board

Author: hafidhh

examples/YF-S201/Read_Flow_Rate/Read_Flow_Rate.ino

@@ -17,7 +17,7 @@
 
 // pin -> interrupt pin
 FlowSensor Sensor(YFS201, D2);
-int timebefore = 0;
+unsigned long timebefore = 0; // Same type as millis()
 
 // Uncomment if use ESP8266 and ESP32
 // void IRAM_ATTR count()
@@ -44,4 +44,4 @@ void loop() {
     Serial.println(Sensor.getFlowRate_m());
     timebefore = millis();
   }
-}
+}

examples/YF-S201/Read_Flow_Rate_and_Volume/Read_Flow_Rate_and_Volume.ino

@@ -17,7 +17,7 @@
 
 // pin -> interrupt pin
 FlowSensor Sensor(YFS201, D2);
-int timebefore = 0;
+unsigned long timebefore = 0; // Same type as millis()
 
 // Uncomment if use ESP8266 and ESP32
 // void IRAM_ATTR count()
@@ -46,4 +46,4 @@ void loop() {
     Serial.println(Sensor.getVolume());
     timebefore = millis();
   }
-}
+}

examples/YF-S201/Read_Volume/Read_Volume.ino

@@ -17,7 +17,7 @@
 
 // pin -> interrupt pin
 FlowSensor Sensor(YFS201, D2);
-int timebefore = 0;
+unsigned long timebefore = 0; // same type as millis()
 
 // Uncomment if use ESP8266 and ESP32
 // void IRAM_ATTR count()
@@ -44,4 +44,4 @@ void loop() {
     Serial.println(Sensor.getVolume());
     timebefore = millis();
   }
-}
+}

src/FlowSensor.cpp

@@ -75,7 +75,7 @@ void FlowSensor::begin(void (*userFunc)(void))
 {
   pinMode(this->_pin, INPUT);
   digitalWrite(this->_pin, INPUT_PULLUP); // Optional Internal Pull-Up
-  attachInterrupt(this->_pin, userFunc, RISING);
+  attachInterrupt(digitalPinToInterrupt(this->_pin), userFunc, RISING); // For better compatibility with any board, for example Arduino Leonardo Boards
 }
 
 /**
@@ -129,4 +129,4 @@ float FlowSensor::getFlowRate_s()
 float FlowSensor::getVolume()
 {
   return this->_volume;
-}
+}