HEPTA-Sat Training 2019
/
Lab3-01_Save_the_letters
Lab3
main.cpp
- Committer:
- HeptaSatTraining2019
- Date:
- 2019-08-27
- Revision:
- 26:f15b873a018c
- Parent:
- 25:5fd40a170032
File content as of revision 26:f15b873a018c:
#include "mbed.h" #include "HEPTA_CDH.h" Serial pc(USBTX,USBRX); HEPTA_CDH cdh(p5, p6, p7, p8, "sd"); int main() { pc.baud(9600); pc.printf("Hello world!\r\n"); char str[100]; mkdir("/sd/mydir", 0777); FILE *fp = fopen("/sd/mydir/test.txt","w"); if(fp == NULL) { error("Could not open file for write\r\n"); } for(int i=0; i<10; i++)fprintf(fp,"Hello my name is HEPTA!\r\n"); fclose(fp); fp = fopen("/sd/mydir/test.txt","r"); for(int j = 0; j < 10; j++) { fgets(str,100,fp); puts(str); } fclose(fp); pc.printf("Goodbye!!\r\n"); }