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CIF Peripheral Model - SimpleTimer

120 CoMET Version 5.9 – Tutorial

Setting the SimpleTimer1 Base Address with a pcx Parameter Override

Rebuild the system and open the SimpleVSP1 .pcx file.

Change the value of the SimpleTimer1/Parameter Overrides/StartAddress to 0x90000000

Creating Target Code

This tutorial does not cover creating target code for the full range of VPMs available. Here

we present code for the ARM926EJS1. In the case of the ARM, the target code can be edited

and compiled in a Target project from within the CoMET SEE.

The target code sets up the timer, which on each match generates an interrupt. The interrupt is

handled by irq_handler function. The irq_handler function prints a message, deasserts the

interrupt, zeroes the GTR counter and increments the interrupt counter. After a specified

number of interrupts the main function exits. The code is as follows:

**--------------------------------------------------------------------------

** SimpleVSP TimerTest for SimpleTimer

**--------------------------------------------------------------------------

#include <stdio.h>

#include <string.h>

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Comet Labs 48-Port 10 Guia do Utilizador Página 124