4avros_tasks.c

4avrOS realtime OS for AVR

    //---------------------------------------------------------------------------------------------------------//
    //     __ __  ___             ____  _____                                                                  //
    //    / // / /   |_   _______/ __ \/ ___/                                                                  //
    //   / // /_/ /| | | / / ___/ / / /\__ \                                                                   //
    //  /__  __/ ___ | |/ / /  / /_/ /___/ /                                                                   //
    //    /_/ /_/  |_|___/_/   \____//____/                                                                    //
    //    ____                    ____       _              _       _                                          //
    //   / ___|___   ___  _ __   / ___|  ___| |__   ___  __| |_   _| | ___ _ __                                //
    //  | |   / _ \ / _ \| '_ \  \___ \ / __| '_ \ / _ \/ _` | | | | |/ _ \ '__|                               //
    //  | |__| (_) | (_) | |_) |  ___) | (__| | | |  __/ (_| | |_| | |  __/ |                                  //
    //   \____\___/ \___/| .__/  |____/ \___|_| |_|\___|\__,_|\__,_|_|\___|_|                                  //
    //                   |_|                                                                                   //
    //     __                       __                                                                         //
    //    / /  __ __  ______ ______/ /__  ____ _                                                               //
    //   / _ \/ // / / __/ // / __/ __/ |/ /  ' \                                                              //
    //  /_.__/\_, /  \__/\_,_/_/  \__/|___/_/_/_/                                                              //
    //       /___/                                                                                             //
    //                                                                                                         //
    //                                                                                                         //
    //  Copyright 2007 by Curt Van Maanen                                                                      //
    //                                                                                                         //
    //  Version 2007.10.06                                                                                     //
    //---------------------------------------------------------------------------------------------------------//
    //  4AvrOS_Tasks.c                                                                                         //
    //---------------------------------------------------------------------------------------------------------//



    /*-----------------------------------------------------------------------------------------------------------
         ___ _  _  ___ _   _   _ ___  ___ ___
        |_ _| \| |/ __| | | | | |   \| __/ __|
         | || .` | (__| |_| |_| | |) | _|\__ \
        |___|_|\_|\___|____\___/|___/|___|___/

    -----------------------------------------------------------------------------------------------------------*/

    #include <avr/io.h>
    #include "4AvrOS_Tasks.h"                           // needs to be before 4AvrOS.h
    #include "4AvrOS.h"



    /*-----------------------------------------------------------------------------------------------------------
         ___  ___ ___ ___ _  _ ___ ___
        |   \| __| __|_ _| \| | __/ __|
        | |) | _|| _| | || .` | _|\__ \
        |___/|___|_| |___|_|\_|___|___/

    -----------------------------------------------------------------------------------------------------------*/



    /*-----------------------------------------------------------------------------------------------------------
          ___ _    ___  ___   _   _     __   ___   ___ ___   _   ___ _    ___ ___
         / __| |  / _ \| _ ) /_\ | |    \ \ / /_\ | _ \_ _| /_\ | _ ) |  | __/ __|
        | (_ | |_| (_) | _ \/ _ \| |__   \ V / _ \|   /| | / _ \| _ \ |__| _|\__ \
         \___|____\___/|___/_/ \_\____|   \_/_/ \_\_|_\___/_/ \_\___/____|___|___/

    -----------------------------------------------------------------------------------------------------------*/



    /*-----------------------------------------------------------------------------------------------------------
         ___ _   _ _  _  ___ _____ ___ ___  _  _  ___
        | __| | | | \| |/ __|_   _|_ _/ _ \| \| |/ __|
        | _|| |_| | .` | (__  | |  | | (_) | .` |\__ \
        |_|  \___/|_|\_|\___| |_| |___\___/|_|\_||___/

    -----------------------------------------------------------------------------------------------------------*/

    /*-----------------------------------------------------------------------------------------------------------
     initialize ports, registers, etc. called from main()
    -----------------------------------------------------------------------------------------------------------*/

    void init_mystuff(void){
        DDRB |= ((1<<PB0) | (1<<PB1)); //pb0,pb1 output for led
    }



    /*-----------------------------------------------------------------------------------------------------------
         ___ _  _ _____ ___ ___ ___ _   _ ___ _____ ___
        |_ _| \| |_   _| __| _ \ _ \ | | | _ \_   _/ __|
         | || .` | | | | _||   /   / |_| |  _/ | | \__ \
        |___|_|\_| |_| |___|_|_\_|_\\___/|_|   |_| |___/

    -----------------------------------------------------------------------------------------------------------*/



    /*-----------------------------------------------------------------------------------------------------------
         _____ _   ___ _  _____
        |_   _/_\ / __| |/ / __|
          | |/ _ \\__ \ ' <\__ \
          |_/_/ \_\___/_|\_\___/

    -------------------------------------------------------------------------------------------------------------
     tasks
         BEGIN(taskname)
            //code here
            //make sure an os call is in here somewhere, else will be stuck here
        END_TASK
    -----------------------------------------------------------------------------------------------------------*/

    /*-----------------------------------------------------------------------------------------------------------
     demoLed1_Task
    -----------------------------------------------------------------------------------------------------------*/

    BEGIN_TASK(demoLed1_Task)                           // flash led on PB0

        osWAIT(100);                                    // wait 1s
        PORTB ^= (1<<PB0);                              // invert led

    END_TASK

    /*-----------------------------------------------------------------------------------------------------------
     demoLed2_Task
    -----------------------------------------------------------------------------------------------------------*/

    BEGIN_TASK(demoLed2_Task)                           // flash led on PB0

        static uint8_t i;
        for(i=1; i<15; i++){
            osWAIT(i);                                  // wait
            PORTB ^= (1<<PB1);                          // invert led
        }

    END_TASK