File content as of revision 1:549bc1cd1f3d:

/* Copyright 2017 John Bailey
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#include "RoundRobin.hpp"

RoundRobin* RoundRobin::p_instance = NULL;
std::multimap<unsigned,RoundRobin::TaskEntry> RoundRobin::p_taskList;

RoundRobin* RoundRobin::instance( void )
{
    if (!p_instance)
    {
        p_instance = new RoundRobin();
    }
    return p_instance;
}

RoundRobin::RoundRobin()
{
    thread = new Thread(osPriorityLow);
    thread->start(callback(&eventQueue, &EventQueue::dispatch_forever));
}

void RoundRobin::SetBaseRate( const float p_rate )
{
    ticker.attach( eventQueue.event( &EventTrigger ), p_rate );
}

RoundRobin::~RoundRobin()
{
    delete( thread );
}

void RoundRobin::EventTrigger( void )
{
    for( std::multimap<unsigned,TaskEntry>::iterator i = p_taskList.begin();
         i != p_taskList.end();
         i++ )
    {
        i->second.tick();
        i->second.triggerIfNeeded(i->first);
    }
}

bool RoundRobin::addTask( unsigned p_multiplier, void (*p_fn)(void) )
{
    bool success = false;
    if( p_multiplier > 0 )
    {
        TaskEntry newTask ( p_fn );

        p_taskList.insert( std::pair<unsigned,TaskEntry>(p_multiplier, newTask ));
    
        success = true;
    }
    return success;
}