Diff: main.cpp

Revision:

0:620c051199c6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 28 07:48:11 2015 +0000
@@ -0,0 +1,94 @@
+/*M0-BOARD LPC11U24 VERSION 1.0 / HI/ENE/WF 09_2014
+BULME Graz / Elektronik 29
+Alternativ ohne Library für LM75B
+*/
+#include "mbed.h"
+#include "LM75B.h"
+
+DigitalOut  Led1(LED1);
+DigitalOut  Led2(LED2);
+DigitalOut  Led3(LED3);
+DigitalOut  Led4(LED4);
+
+typedef enum { led_on, temp, led_off} state_t ;
+
+state_t state = led_on;
+
+/* function declaration */
+void maxTemp();
+void stateMachine();
+
+
+//Create an LM75B object at the default address (ADDRESS_0)
+LM75B sensor(p28, p27);
+int main()
+{
+//Try to open the LM75B
+    if (sensor.open()) {
+        printf("Device detected!\n\r");
+    while (1) {
+        
+        
+     Led4=1;
+     wait(0.2);
+     Led4=0;
+     wait(0.2); 
+     
+     maxTemp() ;
+     stateMachine();
+     wait(1); 
+               
+    //Print the current temperature
+   // printf("Temp = %.3f\n\r", (float)sensor);
+    //Sleep for 0.5 seconds
+    wait(0.5);
+    }
+    } else {
+     error("Device not detected!\n");
+    }  
+}
+
+
+/* function declaration */
+void maxTemp();
+
+void stateMachine()
+{
+  switch( state ) {
+    case led_on:
+       printf("STATE:  led_on!\n\r");
+       Led2=1;
+       Led3=1;
+       state = temp;
+       break;
+ 
+    case temp:
+      printf("STATE:  temp!\n\r");
+      printf("Temp = %.3f\n\r", (float)sensor);
+      wait(0.5);
+      state = led_off;
+      break;
+ 
+    case led_off:
+       printf("STATE:  led_off!\n\r");
+       Led2=0;
+       Led3=0;
+       state = led_on;
+       break;
+  }
+}
+
+void maxTemp() 
+{
+   /* local variable declaration */
+   
+ 
+   if (sensor > 29.0) {
+      Led1=1; 
+      }
+   else
+      Led1=0; 
+ 
+   //return 0; 
+   
+}
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