Diff: main.cpp

Revision:

0:21ffb42911bd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 08 12:36:07 2014 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+
+char* read_from_master();                    //function to write data to master
+int write_to_master(char*,int);
+
+I2CSlave slave(D14,D15);                       //configuring pins p27, p28 as I2Cslave
+Serial pc (USBTX,USBRX);
+
+bool read_loop  = true;
+bool write_loop = true;
+char *data_rec  = new char;
+char *data_send = new char;
+char *rec_data  = new char;
+int  slave_status = 1;
+int k;
+
+
+int main(){
+    
+    slave.address(0x20);  
+    while(1){  
+        slave.stop();
+        printf("11 press any character for slave to start \n\r");
+        *data_send = pc.getc();
+        
+        printf("1 in main\n\r");
+        k = write_to_master(data_send,1);
+        printf("4 done transfer with return %d\n\r",k);
+    }           
+    
+}    
+        
+    
+char* read_from_master(){
+    
+    while(slave_status)
+                slave_status=slave.read(data_rec,1);
+                
+    return(data_rec);
+                
+     
+     //read_loop = true;
+     //slave.stop();
+     
+}  
+    
+int write_to_master(char* send, int length){
+    slave_status=1;
+    while(slave_status){
+                printf("2 wait for status\n\r");
+                //if(slave.receive()==1)
+                     {
+                     slave_status=slave.write(send,length);
+                }
+    }                 
+    printf("3 wrote %c to master\n\r",*data_send);
+
+            //slave.stop();
+    return(1);
+}      
\ No newline at end of file