Diff: main.cpp

Revision:

0:94443daebe4c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 17 14:37:13 2020 +0000
@@ -0,0 +1,143 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+
+
+// Analog input (pin 15)
+AnalogIn ain(p15);
+AnalogIn ain2(p16);
+
+// USB serial (tx, rx)
+Serial pc(USBTX, USBRX);
+
+// TX, RX, and RES pins
+uLCD_4DGL uLCD(p9,p10,p11);
+
+void Temperature();
+void TempConstraints();
+float getTemp();
+float avgTemp();
+float getTemp2();
+float avgTemp2();
+
+float voltage_in;
+float degrees_c;
+float avgT;
+float Temp;
+float a;
+float b;
+    
+int main() {
+    
+
+    // Collect temperatures with timestamps every second
+    while(1) {
+        uLCD.cls();
+        uLCD.printf("Temperature:\n\n");
+
+        Temperature();
+        wait(10);
+        }
+}
+
+void Temperature(){
+
+    a = avgTemp();
+    b = avgTemp2();
+
+    TempConstraints();
+    
+    uLCD.text_width(2);
+    uLCD.text_height(2);
+    Temp = (a + b)/2;
+    pc.printf("%3.1f deg C\n\r", Temp);
+    uLCD.printf("%3.1f \t", Temp);
+    uLCD.text_width(1);
+    uLCD.text_height(1);
+    uLCD.printf("o");
+    uLCD.text_width(2);
+    uLCD.text_height(2);
+    uLCD.printf("C");
+}
+
+void TempConstraints() {
+
+    if(degrees_c <= 4){
+        pc.printf("WARNING\nCOLD TEMPERATURES\nICE MAY BE PRESENT");
+    }
+    if(abs(a-b) > 4){
+        uLCD.printf("WARNING\nTEMPERATURE SENSOR\nFAULT\n");
+    }
+}  
+
+float getTemp(){
+    voltage_in = ain * 3.3;
+    degrees_c = ((voltage_in - 0.5) * 100.0);
+    return degrees_c;
+}
+
+float getTemp2(){
+    voltage_in = ain2 * 3.3;
+    degrees_c = ((voltage_in - 0.5) * 100.0);
+    return degrees_c;
+}
+
+//Thsi function obtaines the voltage from the first sensor
+float avgTemp(){
+    float a = getTemp();
+    float b = getTemp();
+    float c = getTemp();
+    float d = getTemp();
+    float e = getTemp();
+    float f = getTemp();
+    float g = getTemp();
+    float h = getTemp();
+    float i = getTemp();
+    float j = getTemp();
+    float k = getTemp();
+    float l = getTemp();
+    float m = getTemp();
+    float n = getTemp();
+    float o = getTemp();
+    float p = getTemp();
+    float q = getTemp();
+    float r = getTemp();
+    float s = getTemp();
+    float t = getTemp();
+    
+    //The function is called to get 20 Values of the required voltage in order
+    //to acieve an accurate resuilt and eliminate outlier effects
+    avgT = (a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t)/20;
+    
+    return avgT;
+}
+
+//this function obtaines the voltage from the second sensor
+float avgTemp2(){
+    float a = getTemp2();
+    float b = getTemp2();
+    float c = getTemp2();
+    float d = getTemp2();
+    float e = getTemp2();
+    float f = getTemp2();
+    float g = getTemp2();
+    float h = getTemp2();
+    float i = getTemp2();
+    float j = getTemp2();
+    float k = getTemp2();
+    float l = getTemp2();
+    float m = getTemp2();
+    float n = getTemp2();
+    float o = getTemp2();
+    float p = getTemp2();
+    float q = getTemp2();
+    float r = getTemp2();
+    float s = getTemp2();
+    float t = getTemp2();
+    
+    avgT = (a+b+c+d+e+f+g+h+i+j+k+l+m+n+o+p+q+r+s+t)/20;
+    
+    return avgT;
+}
+
+
+