Revision 14:67cebba9c452, committed 2015-04-09

Comitter:

sakthipriya

Date:

Thu Apr 09 21:40:47 2015 +0000

Parent:

13:fe24dd810078

Commit message:

i2c stand alone working

Changed in this revision

diff -r fe24dd810078 -r 67cebba9c452 main.cpp
--- a/main.cpp	Mon Jan 26 11:12:57 2015 +0000
+++ b/main.cpp	Thu Apr 09 21:40:47 2015 +0000
@@ -13,7 +13,10 @@
 int reset=0;
 int temp;
 Timer t;
+Timer t1;
 Timer t2;
+Timer t3;
+
 
 typedef struct
 {
@@ -30,7 +33,7 @@
     unsigned char* c1_reg = (unsigned char*)0x40067002;
     unsigned char* c2_reg = (unsigned char*)0x40067005;  
     unsigned char* freq_reg = (unsigned char*)0x40067001; 
-int receive_status =0;
+//int slave.receive() =0;
 void FUNC_I2C_WRITE2CDMS(char *data, int length=1)
 {
        int slave_status = 1;
@@ -44,20 +47,25 @@
           //printf("\nin int loop\n");
             //t.stop();
             //t2.start();
-            receive_status = slave.receive();
+           
             //t2.stop();
-            //printf("\n%d\n",receive_status);
-            t.stop();
-            //printf("\n status %d \n",receive_status);
-            if( receive_status==1)
+            //printf("\n%d\n",slave.receive());
+           
+            //printf("\n status %d \n",slave.receive());
+           if(slave.receive() == 0)
+           t2.stop();
+           t.stop();     
+             
+            if( slave.receive()==1)
             {
                // printf("\nslave receive b4: \n");
                 //t.stop();
                 //t2.start();
-                
+                 t2.stop();
+                 t3.start();
                 slave_status=slave.write(data,length);
-                
-                t2.stop();
+                t3.stop();
+               
                // printf("\nData sent to CDMS is %c\n\r",*data);
               // printf("\n\r write"); 
                 //printf("\nslave receive after: %d \n",slave.receive());
@@ -65,11 +73,14 @@
             }
             
             
-            else if( receive_status==3 ||  receive_status==2)
+            else if( slave.receive()==3 ||  slave.receive()==2)
             {
                 //t.stop();
                 //printf("\nh\n");
+                t2.stop();
+                t3.start();
                 slave_status=slave.read(data,length);
+                t3.stop();
                 
             }
             //printf("\n \r done while loop %d \n",slave.receive());
@@ -77,10 +88,12 @@
            //  printf("\n\r %d %d %d %d %d \n",*data_reg,*status_reg,*c1_reg,*c2_reg,*freq_reg);
             
     }
-            printf("\n%f\r",t.read());
+            printf("\n%d\r",t.read_us());
             t.reset();
             printf("\n%d\r",t2.read_us());
             t2.reset();
+             printf("\n%d\r",t3.read_us());
+            t3.reset();
             //printf("\n%f\r",t.read());
 }
 
@@ -129,6 +142,7 @@
 {
    //reset = 0;
    t.start();
+   t2.start();
    ptr_t_i2c->signal_set(0x1);
      
 }