Rob Toulson / Mbed 2 deprecated PE_10-02_ReadWriteString

by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Dependencies:   mbed

main.cpp@0:2944b34ee981, 2013-05-24 (annotated)

Committer:
robt
Date:
Fri May 24 22:12:04 2013 +0000
Revision:
0:2944b34ee981
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"

Who changed what in which revision?

UserRevisionLine numberNew contents of line
robt 0:2944b34ee981 1 /* Program Example 10.2: Read and write text string data
robt 0:2944b34ee981 2 */
robt 0:2944b34ee981 3 #include "mbed.h"
robt 0:2944b34ee981 4 Serial pc(USBTX,USBRX); // setup terminal link
robt 0:2944b34ee981 5 LocalFileSystem local("local"); // define local file system
robt 0:2944b34ee981 6 char write_string[64]; // character array up to 64 characters
robt 0:2944b34ee981 7 char read_string[64]; // create character arrays (strings)
robt 0:2944b34ee981 8
robt 0:2944b34ee981 9 int main ()
robt 0:2944b34ee981 10 {
robt 0:2944b34ee981 11 FILE* File1 = fopen("/local/textfile.txt","w"); // open file access
robt 0:2944b34ee981 12 fputs("lots and lots of words and letters", File1);// put text into file
robt 0:2944b34ee981 13 fclose(File1); // close file
robt 0:2944b34ee981 14
robt 0:2944b34ee981 15 FILE* File2 = fopen ("/local/textfile.txt","r"); // open file for reading
robt 0:2944b34ee981 16 fgets(read_string,256,File2); // read first data value
robt 0:2944b34ee981 17 fclose(File2); // close file
robt 0:2944b34ee981 18
robt 0:2944b34ee981 19 pc.printf("text data: %s \n",read_string); // display read data string
robt 0:2944b34ee981 20 }
robt 0:2944b34ee981 21