Revision 2:9171c2347ef0, committed 2018-12-29

Comitter:

marvas

Date:

Sat Dec 29 06:38:26 2018 +0000

Parent:

1:e4d7342be507

Commit message:

sd kart okuma ve yazma

Changed in this revision

--- a/main.cpp	Tue May 16 05:18:55 2017 +0000
+++ b/main.cpp	Sat Dec 29 06:38:26 2018 +0000
@@ -1,19 +1,35 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
  
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
- 
+SDFileSystem sd(D4, D5, D3, D1, "sd"); // mosi, miso, sclk, cs
+ Serial pc(USBTX,USBRX);
+     unsigned char c;    
+
 int main() {
-    printf("Hello World!\n");   
+    pc.printf("Karta yazma ve okuma islem basladi \n");   
  
-    mkdir("/sd/mydir", 0777);
+    mkdir("/sd", 0777);
+//mkdir klasör oluşturur.
+//0777 dosyaya veri yazıp okumayı etkinleştirir.
     
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+    FILE *fp = fopen("/sd/ornek.txt", "w");
     if(fp == NULL) {
-        error("Could not open file for write\n");
+        error("Yazma icin dosya acilamadi \n");
     }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
+    fprintf(fp, "Merhaba. Bu yazi Sd karta yazilacak!");
+    fclose(fp); //Dosya kapat
+ 
+    pc.printf("Yazma islemi bitti! \n");
+    
+           pc.printf("Okuma islemi basladi! \n");          
+      FILE *fpr = fopen("/sd/ornek.txt", "r");
+      //Okunacak dosya seçildi  
  
-    printf("Goodbye World!\n");
+ //file end of. Okuma işlemi bitene kadar devam et. 
+ //Dosya sonuna kadar okumaya devam et.
+      while (!feof(fpr)){                    
+           c=fgetc(fpr);                        
+           printf("%c",c);
+      }
+      fclose(fpr);        
 }

--- a/mbed.bld	Tue May 16 05:18:55 2017 +0000
+++ b/mbed.bld	Sat Dec 29 06:38:26 2018 +0000
@@ -1,1 +1,1 @@
-https://mbed.org/users/mbed_official/code/mbed/builds/e1686b8d5b90
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file