Diff: main.cpp

Revision:

2:fa5a3ff74b74

Parent:

1:59da9694681e

--- a/main.cpp	Fri Apr 10 16:13:02 2015 +0000
+++ b/main.cpp	Mon Apr 13 18:03:51 2015 +0000
@@ -1,18 +1,20 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
-
+#define PYLD_ADD 0x48
+#define BAE_ADD 0x20
 /************************Include the required Header files for the code *******************************/
-#include "mbed.h"
+//#include "mbed.h"
 #include "string.h"
 
 #include "rtos.h"
 #include "pin_config.h"
-const int addr = 0x20;                     //slave address 
+//const int addr = 0x20;                     //slave address 
 I2C master (PIN72,PIN71);                      //configure pins p27,p28 as I2C master
 Serial pc (USBTX,USBRX);
 DigitalOut interrupt(PIN4);
 InterruptIn data_ready(PIN39);
-
+InterruptIn data_ready_pyld(PIN40);           //to be changed for i2c comm. between pyld and bae
+void store_data(char*);
 
 int reset;
 Timer t;
@@ -30,6 +32,7 @@
 Mail<i2c_data,16> i2c_data_send;
 
 Thread * ptr_t_i2c;
+int switchflag = -1;                                    // to switch between BAE and PYLD
 void FUNC_I2C_MASTER_FSLAVE(char * data,int length)
 {
     
@@ -39,9 +42,12 @@
             interrupt = 1;
             t1.start();
             //wait_ms(20);
-            ack0 =  master.read(addr|1,data,length);
+            if(switchflag == 0)
+            ack0 =  master.read(BAE_ADD|1,data,length);
+            else if (switchflag==1)
+            ack0 =  master.read(PYLD_ADD|1,data,length);
             t1.stop();
-            
+            store_data(data); 
             
             if(!ack0)
             {
@@ -53,7 +59,7 @@
             t1.reset();
             
             interrupt=0;
-           
+            switchflag = -1;
 }
 
 typedef struct {
@@ -129,9 +135,18 @@
     }
 }
 
-void FUNC_INT()
+void FUNC_INT_BAE()
 {
-  
+
+   switchflag = 0;  
+   ptr_t_i2c->signal_set(0x1);
+     
+}
+
+void FUNC_INT_PYLD()
+{
+
+   switchflag = 1;  
    ptr_t_i2c->signal_set(0x1);
      
 }
@@ -164,8 +179,11 @@
                 i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
                 writedata = i2c_data_s -> data;
                 t.stop();
-                //t3.start();         
-                master_status_write = (bool) master.write(addr|0x00,&writedata,1);
+                //t3.start();
+                if(data%2)         
+                master_status_write = (bool) master.write(BAE_ADD|0x00,&writedata,1);
+                else
+                master_status_write = (bool) master.write(PYLD_ADD|0x00,&writedata,1);
                 t3.stop();
                 if(master_status_write==0)
                     {
@@ -321,16 +339,16 @@
 
 /******************************************END OF RTC CODE ****************************************/
 
-char count = 10;
-void store_data()
+//char count = 10;
+void store_data(char *hkdata)
 {
     FUNC_CDMS_Gettime();
     
-    char hk_data[25];
-    count++;
-    strcpy(hk_data,"hk_Data ");
-    strcat(hk_data,"!@@#");
-    hk_data[10] = count;
+    //char hk_data[25];
+//    count++;
+    //strcpy(hk_data,"hk_Data ");
+    //strcat(hk_data,"!@@#");
+//    hk_data[10] = count;
     //storedata(hk_data);
     mkdir("/sd/hk", 0777);
     char add[20];
@@ -345,7 +363,7 @@
     else
     {
        
-    fprintf(fp, "%s ",hk_data);
+    fprintf(fp, "%s ",hkdata);
     fclose(fp);
     printf("\n File stored in SD card\n");
     //printf("\n Reading from the file .... \n Data is %s\n",hk_data);
@@ -381,13 +399,15 @@
 Ticker tx;
 
 int main() 
-{    interrupt=0;
+{
+    interrupt=0;
     ptr_t_i2c = new Thread(T_I2C_MASTER_FSLAVE); 
-     master.frequency(100000);     
+    master.frequency(100000);     
     printf("IITMSAT - CDMS\n");   
-    
+    data_ready.rise(&FUNC_INT_BAE);
+    data_ready_pyld.rise(&FUNC_INT_PYLD);
     FUNC_CDMS_init_values();  
-    tx.attach(&store_data, 20.0);
+    //tx.attach(&store_data, 20);
     while(1)
     {
          FUNC_MASTER_WRITE();