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Dependencies: SDFileSystem mbed
Fork of Nucleo_Ex05_SD by
main.cpp
- Committer:
- beaglescout007
- Date:
- 2016-03-21
- Revision:
- 0:b0a3ecd53c7d
- Child:
- 1:d65338ce2e7c
File content as of revision 0:b0a3ecd53c7d:
#include "mbed.h" #include "SDFileSystem.h" DigitalIn btn(USER_BUTTON); // trim '\n' void ntrim(char *str) { int i; for (i = 0; str[i] != 0; ++i); if (i > 0 && str[i - 1] == '\n') str[i - 1] = 0; } int main() { // SD filesystem SDFileSystem *sd = new SDFileSystem(PB_15, PB_14, PB_13, PA_9, "sd", NC, SDFileSystem::SWITCH_NONE, 20000000); // mosi, miso, sclk, name, card detect, sw type, freq while (1) { if (btn) continue; // file open FILE *fp = fopen("/sd/test.txt", "r"); if (fp == NULL) { printf("open error!!\r\n"); while(1); } // read text file char buf[1024]; while (fgets(buf, sizeof(buf), fp) != NULL) { ntrim(buf); printf("%s\r\n", buf); } // file close fclose(fp); wait(1); } }