Juan Angel García / Mbed 2 deprecated 10_1

Lectura/escritura de datos en fichero.

Dependencies:   mbed

main.cpp

Committer:
jangelgm
Date:
2017-03-09
Revision:
0:66db9a0438c9

File content as of revision 0:66db9a0438c9:

/* Program Example 10.1: read and write char data bytes
*/
#include "mbed.h"
Serial pc(USBTX,USBRX); // setup terminal link
LocalFileSystem local("local"); // define local file system
int write_var;
int read_var; // create data variables
int main ()
{
    FILE* File1 = fopen("/local/datafile.txt","w"); // open file
    write_var=0x23; // example data
    fputc(write_var, File1); // put char (data value) into file
    fclose(File1); // close file
    FILE* File2 = fopen ("/local/datafile.txt","r"); // open file for reading
    read_var = fgetc(File2); // read first data value
    fclose(File2); // close file
    pc.printf("input value = %i \n",read_var); // display read data value
}