ArmsysApi Documentation

Author

Dr Terry Barnaby

Version

0.12.18

Date

2019-06-15

Introduction

This document covers the Armsys real-time embedded system API. The Armsys system provides a real-time system for embedded ARM based hardware platforms using a C++ object orientated API.

Overview

Examples

There are some examples of simple Armsys applications in the examples directory of the installation. Some simple client examples are listed below:

/*******************************************************************************
 *      Main.cpp        ArmSys example
 *                      T.Barnaby,      Beam Ltd,       2012-11-12
 *      Copyright (c) 2013 All Right Reserved, Beam Ltd, http://www.beam.ltd.uk
 *******************************************************************************
 *
 * Simple test of flashing an LED.
 */
#include <BConfig.h>

// Board configuration
BUInt32         armSysCrystal   = CrystalFreq;  // The system crystal frequency
BUInt32         armSysPinLed0   = PinLed0;              // The first system LED
BUInt32         armSysPinLed1   = PinLed1;              // The second system LED

BSys            sys;            // The system
BGpio           gpio;           // The GPIO (pins) interface

// Initialise the system
void init(){
        // Initialise the system
        sys.init();
        
        // Pin configuration
        gpio.initPin(PinLed0, BGpio::ModeOutput);
        gpio.initPin(PinLed1, BGpio::ModeOutput);
}

// The main program loop
void run(){
        while(1){       
                // Flash a LED
                gpio.setPin(PinLed0, On);
                delayMs(1000);
                gpio.setPin(PinLed0, Off);
                delayMs(1000);
        }
}

int main(){
        init();
        sys.start();
        sys.run(run);
        
        return 0;
}