sd kart yazma ve okuma
Dependencies: mbed sd_kart_yazma_okma
main.cpp@2:f6685eb40c9d, 2019-05-15 (annotated)
- Committer:
- marvas
- Date:
- Wed May 15 10:50:17 2019 +0000
- Revision:
- 2:f6685eb40c9d
- Parent:
- 0:bdbd3d6fc5d5
- Child:
- 3:103fa9f462eb
sd kart yazma ve okuma
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 0:bdbd3d6fc5d5 | 1 | #include "mbed.h" |
mbed_official | 0:bdbd3d6fc5d5 | 2 | #include "SDFileSystem.h" |
marvas | 2:f6685eb40c9d | 3 | |
marvas | 2:f6685eb40c9d | 4 | SDFileSystem sd(D11, D12, D8, D10, "sd"); // mosi, miso, sclk, cs(scl) |
marvas | 2:f6685eb40c9d | 5 | Serial pc(USBTX,USBRX); |
marvas | 2:f6685eb40c9d | 6 | unsigned char c; |
marvas | 2:f6685eb40c9d | 7 | |
mbed_official | 0:bdbd3d6fc5d5 | 8 | int main() { |
marvas | 2:f6685eb40c9d | 9 | pc.printf("Karta yazma ve okuma islem basladi \n"); |
mbed_official | 0:bdbd3d6fc5d5 | 10 | |
marvas | 2:f6685eb40c9d | 11 | mkdir("/sd", 0777); |
marvas | 2:f6685eb40c9d | 12 | //mkdir klasör oluşturur. |
marvas | 2:f6685eb40c9d | 13 | //0777 dosyaya veri yazıp okumayı etkinleştirir. |
mbed_official | 0:bdbd3d6fc5d5 | 14 | |
marvas | 2:f6685eb40c9d | 15 | FILE *fp = fopen("/sd/ornek.txt", "a"); |
mbed_official | 0:bdbd3d6fc5d5 | 16 | if(fp == NULL) { |
marvas | 2:f6685eb40c9d | 17 | error("Yazma icin dosya acilamadi \n"); |
mbed_official | 0:bdbd3d6fc5d5 | 18 | } |
marvas | 2:f6685eb40c9d | 19 | else |
marvas | 2:f6685eb40c9d | 20 | { |
marvas | 2:f6685eb40c9d | 21 | fprintf(fp, "Merhaba. Bu yazi Sd karta yazilacak!"); |
marvas | 2:f6685eb40c9d | 22 | fclose(fp); //Dosya kapat |
mbed_official | 0:bdbd3d6fc5d5 | 23 | |
marvas | 2:f6685eb40c9d | 24 | pc.printf("Yazma islemi bitti! \n"); |
marvas | 2:f6685eb40c9d | 25 | |
marvas | 2:f6685eb40c9d | 26 | pc.printf("Okuma islemi basladi! \n"); |
marvas | 2:f6685eb40c9d | 27 | FILE *fpr = fopen("/sd/ornek.txt", "r"); |
marvas | 2:f6685eb40c9d | 28 | //Okunacak dosya seçildi |
marvas | 2:f6685eb40c9d | 29 | |
marvas | 2:f6685eb40c9d | 30 | //file end of. Okuma işlemi bitene kadar devam et. |
marvas | 2:f6685eb40c9d | 31 | //Dosya sonuna kadar okumaya devam et. |
marvas | 2:f6685eb40c9d | 32 | while (!feof(fpr)){ |
marvas | 2:f6685eb40c9d | 33 | c=fgetc(fpr); |
marvas | 2:f6685eb40c9d | 34 | printf("%c",c); |
marvas | 2:f6685eb40c9d | 35 | } |
marvas | 2:f6685eb40c9d | 36 | fclose(fpr); |
marvas | 2:f6685eb40c9d | 37 | } |
mbed_official | 0:bdbd3d6fc5d5 | 38 | } |