Timóteo Mendes
/
SD_read_write_copy
this one works ok
Fork of Demo_NucleoF4xx_SD_Card by
main.cpp
- Committer:
- Timoteo
- Date:
- 2016-12-01
- Revision:
- 2:a27636d90999
- Parent:
- 1:3e844e5b805c
File content as of revision 2:a27636d90999:
#include "mbed.h" #include "SDFileSystem.h" SDFileSystem sd(D11, D12, D13, D10, "sd"); // MOSI, MISO, SCK, CS: SPI1 //SDFileSystem sd(D4, D5, D3, D2, "sd"); // MOSI, MISO, SCK, CS: SPI3 //原平台LPC1768 (p11, p12, p13, p8, "sd"); // mosi,miso,sck,cs, // nucleo D11,D12,D13,D10 Serial pc_(USBTX, USBRX); int main() { pc_.baud(115200); pc_.printf("\r\nInitializing\r\n"); // 書き込みのテスト == Test writing pc_.printf("\nWriting to SD card...: "); //mkdir("/sd/mydir", 0777); //criar uma pasta //FILE *fp = fopen("/sd/mydir/sdtest.txt", "a");//"w" para criar o ficheiro limpo, "a" para append (adicionar ao ficheiro) FILE *fp = fopen("/sd/sdtest.txt", "a+"); // additional writing if (fp != NULL) { fprintf(fp, "SD sdsdsd"); //texto a escrever no ficheiro fclose(fp); pc_.printf("success!\r\n"); } else pc_.printf("failed!\r\n"); // 読み出しのテスト == Test readout pc_.printf("Reading from SD card...:\r\n"); fp = fopen("/sd/sdtest.txt", "r"); if (fp != NULL) { char str[256]; while (fgets(str, 256, fp) != NULL) pc_.printf("%s", str); fclose(fp); pc_.printf("\r\nsuccess!\r\n"); } else pc_.printf("failed!\r\n"); while (true) {} }