Diff: DHTSensor.cpp

Revision:

0:cbe8cd32b8d9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHTSensor.cpp	Thu Sep 08 14:05:15 2016 +0000
@@ -0,0 +1,60 @@
+#include "DHTSensor.h"
+
+DHTSensor::DHTSensor(PinName pn, int dht_type): dht_sensor(pn, dht_type) {
+    reading_type = DHT_ALL;
+}
+
+        
+sensorStatus DHTSensor::readSensor(string &sensor_reading) {
+
+    //add start to reading
+    int err = dht_sensor.readData();
+    //Read Temp
+    if (err == 0) {
+        sensor_reading = "{";
+        if ((reading_type & DHT_TEMP) == DHT_TEMP) {
+            float temp = dht_sensor.ReadTemperature(CELCIUS);
+            //check required here
+    
+            char reading_type_string[10];
+            sprintf(reading_type_string, "%05X", DHT_TEMP);        
+            char temp_string[10];
+            sprintf(temp_string, "%2.2f", temp);        
+            sensor_reading = sensor_reading + reading_type_string + ":" + temp_string;
+        }
+        
+        if ((reading_type & DHT_HUMID) == DHT_HUMID) {
+            float humid = dht_sensor.ReadHumidity();
+            //check required here
+            char reading_type_string[10];
+            sprintf(reading_type_string, "%05X", DHT_HUMID);        
+            char humid_string[10];
+            sprintf(humid_string, "%2.2f", humid);        
+            sensor_reading = sensor_reading + ", " + reading_type_string + ":" + humid_string;
+        }
+        
+        //add end to reading
+        sensor_reading = sensor_reading + "}";
+        return SENSOR_SUCCESS;
+        
+    } else {
+        sensor_reading = sensor_reading + "";
+        return SENSOR_READING_ERROR;
+    }
+    
+}
+
+    
+sensorStatus DHTSensor::setReadingType(sensorReadingType sensor_reading_types) {
+    if ((sensor_reading_types > DHT_FIRST) && (sensor_reading_types <= DHT_ALL)) {
+        reading_type = sensor_reading_types;
+        return SENSOR_SUCCESS;
+    } else {
+        return SENSOR_PARAM_OUT_RANGE;
+    }
+}  
+    
+sensorReadingType DHTSensor::getReadingType() {
+    return reading_type;
+}
+