Rob Toulson
/
PE_10-02_ReadWriteString
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Revision 0:2944b34ee981, committed 2013-05-24
- Comitter:
- robt
- Date:
- Fri May 24 22:12:04 2013 +0000
- Commit message:
- by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 2944b34ee981 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri May 24 22:12:04 2013 +0000
@@ -0,0 +1,21 @@
+/* Program Example 10.2: Read and write text string data
+ */
+#include "mbed.h"
+Serial pc(USBTX,USBRX); // setup terminal link
+LocalFileSystem local("local"); // define local file system
+char write_string[64]; // character array up to 64 characters
+char read_string[64]; // create character arrays (strings)
+
+int main ()
+{
+ FILE* File1 = fopen("/local/textfile.txt","w"); // open file access
+ fputs("lots and lots of words and letters", File1);// put text into file
+ fclose(File1); // close file
+
+ FILE* File2 = fopen ("/local/textfile.txt","r"); // open file for reading
+ fgets(read_string,256,File2); // read first data value
+ fclose(File2); // close file
+
+ pc.printf("text data: %s \n",read_string); // display read data string
+}
+
diff -r 000000000000 -r 2944b34ee981 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri May 24 22:12:04 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17 \ No newline at end of file