Diff: main.cpp

Revision:

2:78ba5d3f0ac9

Parent:

1:758a4ce77b97

Child:

3:7bc0db64fa61

--- a/main.cpp	Fri May 15 05:40:12 2015 +0000
+++ b/main.cpp	Sun May 17 06:31:47 2015 +0000
@@ -1,22 +1,46 @@
 #include "mbed.h"
 #include "SB1602E.h"
+#include "SDFileSystem.h"
+
+#define LOG_MAX 120
 
 AnalogIn sensor(dp13);
-Serial pc(USBTX, USBRX);
 SB1602E lcd(  dp5, dp27 );
+SDFileSystem sd(dp2, dp1, dp6, dp4, "sd");
 
 int main() {
+    int counter = 0;
+    int16_t TmpLog[LOG_MAX];
+    
     lcd.contrast(0x30);
     while(1) {
         float Temperature;
         
         Temperature = (sensor * 3.3 - 0.6) / 0.01;
         
-        pc.printf("Temperature = %f\r\n",Temperature);
-        
         lcd.clear();
         lcd.printf(0,0,"%.2f",Temperature);
-
-        wait(1.0);
+        
+        if( counter < LOG_MAX )
+        {
+            TmpLog[counter] = (int16_t)(Temperature*100.0);
+            counter++;
+        }
+        else if( counter == LOG_MAX )
+        {
+            FILE *fp = fopen("/sd/TempLog.csv", "w");
+            for(int i=0;i<counter;i++)
+            {
+                fprintf(fp,"%d,%.2f\r\n",i,(float)TmpLog[i]/100.0);
+            }
+            fclose(fp);
+            lcd.printf(0,1,"RecEnd");
+            counter++;
+        }
+        else
+        {
+            lcd.printf(0,1,"RecEnd");
+        }
+        wait(60.0);
     }
 }