Juan Angel García
/
10_1
Lectura/escritura de datos en fichero.
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 }