Oki JOB60851 user manual Overwriting Flash Memory Contents

Chapter 2 Putting Board through its Paces

the above program to display a different string.

1.Copy the source code main.c to a new name, test.c, in the work directory--c:\test in our example.

2.Open the copy in a text editor.

#include <stdio.h> #include <stdlib.h> #include <m66573.h>

void main(void)

{

std_init_573();

S0BUF = 0x0A;/* 1st byte send to get transmit ready status */ printf_c("Hello World!! \n");

for(;;);

}

3.Modify the string in line 10, replacing "World" with your own name.

4.Save the modified version. Exit or minimize the text editor.

5.Double-click the 665s.pif icon and enter the following command line to compile the new version into test.hex, an executable for downloading to the JOB60851 board.

n Note n

Case counts for command line options (/T, /WIN, and /H here), but not for the command name (cl665s) or file names.

6.Repeat the appropriate download procedure above substituting the new program, test.hex, for main.hex.

7.Wait for your name to appear.

2-4. Overwriting Flash Memory Contents

As already mentioned in Section 2.2 above, the board ships with a test program in the MSM66Q573 Flash memory. This may be overwritten, however, with a PW66K Flash programmer.

For further details about flash programmer, contact Oki Electric Device Sales or distributor.

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