Diff: sdcard.cpp

Revision:

41:1141a75eacc4

Parent:

36:00d96aa14658

Child:

42:c81673b04b6a

--- a/sdcard.cpp	Sun Aug 20 16:21:54 2017 +0000
+++ b/sdcard.cpp	Fri Sep 08 10:35:21 2017 +0000
@@ -2,12 +2,14 @@
  //Nidhin 1/6/2017
  
  
- #include "mbed.h"
- #include <stdio.h>
- #include "SDFileSystem.h"
- #include "sdcard.h"
-  #include "rtc.h"
-  #include "struct.h"
+#include "mbed.h"
+#include <stdio.h>
+#include "SDFileSystem.h"
+#include "sdcard.h"
+#include "rtc.h"
+#include "struct.h"
+#include "main.h"
+#include "eeprom_pgm.h"
   
   Serial snd(USBTX,USBRX);
   SDFileSystem sd(PTE1, PTE3, PTE2, PTE4, "sd");
@@ -61,22 +63,6 @@
  } 
  
  
- 
-  /*void sd_open_ECGfile(int pid)         
- {
-     
- // char buffer[32];
-  char buffer1[32];
-  time_t  epoch_time1;
-  epoch_time1=rtc_read();
-  // strftime(buffer, 32, "ECG_%d", pid);
-  
-  sprintf(buffer1,"/sd/%d_ECG.csv",pid);
-  fp = fopen(buffer1,"a"); 
-  fprintf(fp,"%s\n",ctime(&epoch_time1) );
- 
- } 
- */
   void sd_open_ECGfilee(int32_t pid)          // only opening the ECG file after entering TEST screen
  {
      
@@ -88,20 +74,6 @@
  } 
  
  
-  /*void sd_open_BPfile(int pid)         
- {
-     
-  char buffer[32];
-  char buffer1[32];
-  time_t  epoch_time1;
-  epoch_time1=rtc_read();
-  // strftime(buffer, 32, "ECG_%d", pid);
-  
-  sprintf(buffer1,"/sd/%d_BP.csv",pid);
-  fp = fopen(buffer1,"a"); 
-  fprintf(fp,"%s\n",ctime(&epoch_time1) );
- } */
-
 void sd_open_BPfilee(int32_t pid)          // only opening the BP file after entering TEST screen
  {
      
@@ -371,9 +343,19 @@
 //Creating strcuture file Common to All Functions
 void structure_file(BLEMsg_info *ptr, int32_t pid)
 {
-char buffer3[32];
-sprintf(buffer3, "/sd/%d.csv", pid);        //Printing file path to the buffer
-fpmain = fopen(buffer3, "a");               // open the file PID.csv with FILE pointer fpmain
+    char buffer3[32];
+    sprintf(buffer3, "/sd/%d.csv", pid);            //Printing file path to the buffer
+    if(get_filecreated_status())                    //if file created open in append mode
+    {
+        fpmain = fopen(buffer3, "a");               // open the file PID.csv with FILE pointer fpmain
+        snd.printf("\n Append mode\n");
+    }
+    else                                            //if file not created, open in write mode
+    {
+        fpmain = fopen(buffer3, "w");               // open the file PID.csv with FILE pointer fpmain 
+        snd.printf("\n Write mode\n"); 
+    }    
+        
 fwrite(ptr, sizeof(uint8_t),26, fpmain );   // writing the Structure into the file
 fclose(fpmain);                             // Close File
 }
@@ -540,4 +522,45 @@
     else 
         snd.printf("\n temp PPG file delete for error condition: UnSuccessful");
        
-}
\ No newline at end of file
+}
+
+void sd_read(uint32_t  *pid_btpid)          //reading the data from the openend file
+ {
+    FILE *fp; FILE *fp1;
+    uint32_t pid[2]={1,1};
+    fp= fopen("/sd/pid_info.txt","r");
+     if (fp==NULL)
+    {
+       fp1= fopen("/sd/pid_info.txt","w");
+       fwrite(&pid, sizeof(uint32_t),2,fp1);
+       fclose(fp1);
+       fp= fopen("/sd/pid_info.txt","r");
+    }
+     
+     fread(pid_btpid,sizeof(pid_btpid),2,fp);
+     fclose(fp);
+     
+ }
+ 
+ 
+void sd_write(uint32_t  *pid_btpid)          //reading the data from the openend file
+{
+     FILE *fp;
+     fp= fopen("/sd/pid_info.txt","w");
+     fwrite(pid_btpid,sizeof(pid_btpid),2,fp);
+     fclose(fp);
+     
+}
+
+void increment_pid (void)                       //increment pid if a test is completed
+{
+    uint32_t pid[2];
+    if(!get_filecreated_status())               //if file is in write mode                       
+    {
+        set_filecreated_status();               //set it to make it append mode
+        sd_read(pid);                           //read pid from sd card
+        pid[0] = pid[0] + 1;                    //increment it by 1
+        sd_write(pid);                          //write it back to sd card
+    }
+    
+}     
\ No newline at end of file