Diff: main.cpp

Revision:

2:c1b442f26087

Parent:

1:fe4ac8f10309

Child:

4:1d38d6b09e84

--- a/main.cpp	Sun May 08 22:16:03 2016 +0000
+++ b/main.cpp	Mon May 09 09:17:47 2016 +0000
@@ -1,7 +1,8 @@
 #include "mbed.h"
 #include "N5110.h"
 #include "game.h"
-#include "SDFileSystem.h"
+#include "main.h"
+
 
 #define BALLRADIUS 2
 
@@ -19,9 +20,6 @@
 AnalogIn xPot(PTB2);
 AnalogIn yPot(PTB3);
 
-// Connections to SD card holder on K64F (SPI interface)
-SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
-
 void delete_file(char filename[]);
 
 // function prototypes
@@ -36,7 +34,7 @@
 void PaddleMove();
 void updateJoystick();
 void drawCircle(int x0,int y0,int radius,int fill);
-
+void Temp_reading();
 
 // Can give better performance due to current limitation from GPIO pin
 Ticker game_timer;
@@ -84,7 +82,12 @@
         buzzer.pulsewidth_ms(1.9);
         getPaddle();
         wait(3.0);
-            
+        lcd.clear();
+    
+    // checking the heat on the regulator
+    Temp_reading();
+    wait(3.0);
+           
     init_ball();
     
     // setup ticker
@@ -124,7 +127,7 @@
         wait(0.05);
         lcd.clear();     
         }
-        
+    
         BallMove();
     }
 }
@@ -277,6 +280,48 @@
     printFlag = 1;
 }
 
+void Temp_reading()
+{
+    //lcd.init(); // initialising the display
+    // initialise the board and serial port
+    init_K64F();
+    init_serial(); 
+    // call the sensor init method using dot syntax
+    tmp102.init();
+    
+        
+        // can directly print strings at specified co-ordinates
+        lcd.printString("Current Temp",0,0);
+        
+        // read temperature and print over serial port
+        float T = tmp102.get_temperature();
+        pc.printf("T = %f K\n",T);
+        
+        char buffer[14];  // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
+        // so can display a string of a maximum 14 characters in length
+        // or create formatted strings - ensure they aren't more than 14 characters long
+        int length = sprintf(buffer,"T = %.2f C",T); // print formatted data to buffer
+        // it is important the format specifier ensures the length will fit in the buffer
+        if (length <= 14)  // if string will fit on display
+            lcd.printString(buffer,0,2);
+        
+        // small delay - 1s to match the update rate of the sensor (1 Hz)
+        wait(1.0);
+        
+        if(T<27){
+            
+            g_led = 0;
+            lcd.printString("Fan OFF",0,4);
+        }
+        
+        if (T>=30){
+            
+            r_led = 0;
+            lcd.printString("Fan ON ",0,4);
+       }
+}
+
+
 void game_timer_isr()
 {
     g_timer_flag = 1;