Diff: TemperatureSensor.cpp

Revision:

6:77a4c45f6416

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TemperatureSensor.cpp	Thu Mar 23 12:51:27 2017 +0000
@@ -0,0 +1,45 @@
+#include "TemperatureSensor.h"
+#include "LM75B.h"
+#include <mbed.h>
+#include <string>
+
+
+TemperatureSensor::TemperatureSensor(PinName sca, PinName scl)
+    :LM75B(sca,scl)
+{
+    this->sca = sca;
+    this->scl = scl;
+}
+
+int16_t TemperatureSensor::temp_short(void)
+{
+    //Signed return value
+    int16_t value;
+
+    //Read the 11-bit raw temperature value
+    value = this->read16(0x00) >> 5;
+
+    //Sign extend negative numbers
+    if (value & (1 << 10))
+        value |= 0xFC00;
+
+    //Return the temperature in °C
+    return value;
+}
+
+float TemperatureSensor::shortToFloat(int16_t value)
+{
+    return value*0.125;
+}
+
+float TemperatureSensor::average(std::vector<int16_t> TMP)
+{
+    printf("test \r\n");
+    float sum = 0;
+    for( int i = 0; i < TMP.size(); i++ ) {
+        float data = TemperatureSensor::shortToFloat(TMP.at(i));
+        sum +=data;
+    }
+    printf("Temperature average %f \r\n",(float) sum /TMP.size());
+    return ((float)sum) /TMP.size();
+}
\ No newline at end of file