Marvas / Mbed 2 deprecated sd_kart

sd kart yazma ve okuma

Dependencies:   mbed sd_kart_yazma_okma

main.cpp@3:103fa9f462eb, 2019-10-21 (annotated)

Committer:
marvas
Date:
Mon Oct 21 08:02:31 2019 +0000
Revision:
3:103fa9f462eb
Parent:
2:f6685eb40c9d 
SD KART

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
mbed_official 0:bdbd3d6fc5d5 2 #include "SDFileSystem.h"
marvas 3:103fa9f462eb 3 SDFileSystem sd(D11, D12, D13, D10, "sd"); // mosi, miso, sclk, cs(scl)
marvas 3:103fa9f462eb 4 unsigned char c;
marvas 2:f6685eb40c9d 5
marvas 3:103fa9f462eb 6 int main()
marvas 3:103fa9f462eb 7 {
marvas 2:f6685eb40c9d 8 mkdir("/sd", 0777);
marvas 2:f6685eb40c9d 9 //mkdir klasör oluşturur.
marvas 2:f6685eb40c9d 10 //0777 dosyaya veri yazıp okumayı etkinleştirir.
marvas 3:103fa9f462eb 11 while(1) {
marvas 3:103fa9f462eb 12 FILE *fp = fopen("/sd/veritabani.txt", "a");
marvas 3:103fa9f462eb 13 /* a - dosyanın içerisine var olan verinin yanına ekleme yapar
marvas 3:103fa9f462eb 14 r - Dosyadan okuma yapar
marvas 3:103fa9f462eb 15 w - Dosyadan verileri siler yeni veriyi ekler.
marvas 3:103fa9f462eb 16 */
marvas 3:103fa9f462eb 17 if(fp == NULL) {
marvas 3:103fa9f462eb 18 error("Yazma icin dosya acilamadi \n");
marvas 3:103fa9f462eb 19 printf("Yazma icin dosya acilamadi \n");
marvas 3:103fa9f462eb 20 }
marvas 3:103fa9f462eb 21
marvas 3:103fa9f462eb 22 else {
marvas 3:103fa9f462eb 23 //Sd karta yazar
marvas 3:103fa9f462eb 24 fprintf(fp, "mehmet akif arvas");
marvas 3:103fa9f462eb 25 fclose(fp); //Dosya kapat
marvas 3:103fa9f462eb 26 //
marvas 3:103fa9f462eb 27 FILE *fpr = fopen("/sd/veritabani.txt", "r");
marvas 3:103fa9f462eb 28 //Okunacak dosya seçildi
marvas 3:103fa9f462eb 29
marvas 3:103fa9f462eb 30 //file end of. Okuma işlemi bitene kadar devam et.
marvas 3:103fa9f462eb 31 //Dosya sonuna kadar okumaya devam et.
marvas 3:103fa9f462eb 32 while (!feof(fpr)) {
marvas 3:103fa9f462eb 33 c=fgetc(fpr);
marvas 3:103fa9f462eb 34 printf("%c",c);
marvas 3:103fa9f462eb 35 }
marvas 3:103fa9f462eb 36 fclose(fpr);
marvas 3:103fa9f462eb 37 }
mbed_official 0:bdbd3d6fc5d5 38 }
marvas 3:103fa9f462eb 39 }