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Dependencies: SDFileSystem mbed
Fork of Nucleo_Ex05_SD by
Diff: main.cpp
- Revision:
- 0:b0a3ecd53c7d
- Child:
- 1:d65338ce2e7c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Mar 21 08:58:22 2016 +0000 @@ -0,0 +1,46 @@ +#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); + } +}