Revision 1:bdfc71ff49b2, committed 2014-10-31

Comitter:

josmy

Date:

Fri Oct 31 05:52:49 2014 +0000

Parent:

0:c2d1ad5059da

Commit message:

Reading Temperature and Isolation using analog read and taking average and putting in 5 FIFO and again taking average and displaying on LCD;

Changed in this revision

diff -r c2d1ad5059da -r bdfc71ff49b2 TextLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Fri Oct 31 05:52:49 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/TextLCD/#308d188a2d3a

diff -r c2d1ad5059da -r bdfc71ff49b2 main.cpp
--- a/main.cpp	Fri Feb 21 10:22:49 2014 +0000
+++ b/main.cpp	Fri Oct 31 05:52:49 2014 +0000
@@ -1,18 +1,107 @@
 #include "mbed.h"
- 
-AnalogIn analog_value(A0);
- 
-DigitalOut myled(LED1);
+#include "TextLCD.h"
+#include "string.h"
+
+#define MAXSamples 50
+
+#define MaxInsol 1160.0
+#define MaxTemp 1160.0
+
+
+TextLCD lcd(PA_8, PB_10, PA_10, PB_3, PB_5, PB_4); // rs, e, d4-d7
  
-// Calculate the corresponding acquisition measure for a given value in mV
-#define MV(x) ((0xFFF*x)/3300)
- 
+AnalogIn Insol(A4);
+AnalogIn Temp(A5);
+
+Serial pc(SERIAL_TX, SERIAL_RX); 
+DigitalOut myled(LED1);
+float InsolR, TempR;
+uint16_t InsolMap, TempMap;
+
+char buff[40];
+//uint16_t buffer[7];
+int i;
+uint16_t FIFOI[5],FIFOT[5];
+
+uint32_t val;
+uint32_t count;
+
 int main() {
-    while(1) {      
-        uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value
-        if (meas > MV(1000)) { // If the value is greater than 1000 mV toggle the LED
-          myled = !myled;
-        }
-        wait(0.2); // 200 ms
+
+/*
+while(1){
+
+        sprintf(buff,"Inso:%4u  Temp:%4u",Insol.read_u16(),Temp.read_u16());
+        
+        pc.printf(buff);pc.printf("\n");
+        wait(0.2);
+
+    }
+*/
+
+
+
+
+
+
+
+
+    count=0;
+    while(1) { 
+
+        pc.printf("Count: %6u:",count++);pc.printf("  ");
+
+        val=0;
+        for(i=1;i<=MAXSamples;i++){
+            val += Insol.read_u16();
+            }
+        val /= MAXSamples;    
+        FIFOI[0] = FIFOI[1];
+        FIFOI[1] = FIFOI[2];
+        FIFOI[2] = FIFOI[3];
+        FIFOI[3] = FIFOI[4];
+        FIFOI[4] = (uint16_t)val;
+        val = 0;
+        for(i=0;i<=4;i++){
+            val += FIFOI[i];
+            }
+        val /= 5;                
+        InsolR = (float) val;
+        
+        val=0;
+        for(i=1;i<=MAXSamples;i++){
+            val += Temp.read_u16();
+            }
+        val /= MAXSamples;    
+        FIFOT[0] = FIFOT[1];
+        FIFOT[1] = FIFOT[2];
+        FIFOT[2] = FIFOT[3];
+        FIFOT[3] = FIFOT[4];
+        FIFOT[4] = (uint16_t)val;
+        val = 0;
+        for(i=0;i<=4;i++){
+            val += FIFOT[i];
+            }
+        val /= 5;                
+        TempR = (float) val;
+
+
+
+        InsolMap = (uint16_t)(InsolR  * MaxInsol/4095.0);
+        TempMap = (uint16_t) (TempR  *MaxTemp/4095.0);
+
+        sprintf(buff,"Inso:%4u mW/cm2",InsolMap/10);      
+        pc.printf(buff);pc.printf("  ");
+        
+        lcd.locate(0,0);
+        lcd.printf(buff);
+        
+        sprintf(buff,"Temp:%4u  deg C",TempMap/10);      
+        pc.printf(buff);pc.printf("\n");
+        
+        lcd.locate(0,1);
+        lcd.printf(buff);
+        myled = !myled;
+        wait(.2); 
     }
 }