Diff: main.cpp

Revision:

0:9ea68477caaf

Child:

1:8e4b5e1f8039

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Dec 06 06:22:50 2014 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+
+const int addr = 0x20;                     //slave address 
+I2C master (D14,D15);                      //configure pins p27,p28 as I2C master
+Serial pc (USBTX,USBRX);
+
+void main()
+{
+    printf("press backspace for master to start \n\r");
+    while(1){
+        if(pc.getc()==8){
+            bool ack0 =true; 
+            char *data =  new char;
+            *data = 'b';
+            bool loopvariable0 = true;
+            while(loopvariable0){
+                printf("2 master clk freq setup and addressing slave\n\r");
+                master.frequency(100000);                       //set clock frequency
+                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);
+                    loopvariable0=false;
+                }
+            }
+            printf("done\n\r");
+        }
+    }
+}           
\ No newline at end of file