Diff: main.cpp

Revision:

2:2dd5bd9a64fb

Parent:

1:8e4b5e1f8039

Child:

3:c810e140a6bf

--- a/main.cpp	Mon Dec 08 03:54:47 2014 +0000
+++ b/main.cpp	Wed Dec 10 16:39:17 2014 +0000
@@ -3,29 +3,46 @@
 const int addr = 0x20;                     //slave address 
 I2C master (D14,D15);                      //configure pins p27,p28 as I2C master
 Serial pc (USBTX,USBRX);
-
-void main()
+DigitalOut interrupt(D9);
+InterruptIn data_ready(D10);
+void FUNC_I2C_MASTER()
 {
-    printf("press backspace for master to start \n\r");
-    while(1){
-        if(pc.getc()==8){
-            bool ack0 =true; 
+    //printf("press backspace for master to start \n\r");
+    //while(1){
+      //  interrupt = 0;
+      //  if(pc.getc()=='z'){
+            interrupt = 1;
+            printf("\nEntered master function\n");
+            int ack0 =true; 
             char *data =  new char;
             *data = 'b';
             bool loopvariable0 = true;
              master.frequency(100000);                       //set clock frequency
              //master.start();
-            while(ack0){
+            while(ack0)
+            {
                 //printf("2 master clk freq setup and addressing slave\n\r");
-               
+                
                 master.start();                                 //initiating the data transfer
-                ack0 = (bool) master.read(addr,data,1);}
-                if(!ack0){
-                    printf("3 master has read %c from slave\n\r",*data);
+                ack0 =  master.read(addr,data,1);
+            }
+            if(!ack0)
+            {
+                    printf("\n master has read %c from slave\n\r",*data);
                     loopvariable0=false;
-                }
             }
-            printf("done\n\r");
-        }
+                //master.stop();
+            
+            //printf("done\n\r");
+            delete data;
+            interrupt=0;
+}
+void main()
+{
+    data_ready.rise(&FUNC_I2C_MASTER);
+    printf("\nstarted master\n");
+    while(1)
+    {
+        ;
     }
-           
\ No newline at end of file
+}           
\ No newline at end of file