terry LAI / Mbed 2 deprecated ESDC2014-pwm

Dependencies:   mbed

Fork of ESDC2014 by terry LAI

buzzer.cpp

Committer:
terryLAI
Date:
2014-07-07
Revision:
6:7ab57721c0fb
Parent:
5:098e6a44bd94

File content as of revision 6:7ab57721c0fb:

/******************************************************

****┏┓          ┏┓
**┏┛┻━━━━━━┛┻┓
**┃                 ┃
**┃      ━━━      ┃
**┃  ┳┛       ┗┳ ┃
**┃                 ┃
**┃ '''    ┻   ''' ┃
**┃                 ┃
**┗━━┓       ┏━━┛
*******┃       ┃
*******┃       ┃
*******┃       ┃
*******┃       ┗━━━━━━━━┓
*******┃                      ┃━┓
*******┃      NO BUG          ┏━┛
*******┃                      ┃
*******┗━┓  ┓  ┏━┏━┓  ━┛
***********┃  ┛  ┛    ┃  ┛  ┛
***********┃  ┃  ┃    ┃  ┃  ┃
***********┗━┛━┛     ┗━┛━┛

This part is added by project ESDC2014 of CUHK team.
All the code with this header are under GPL open source license.
This program is running on Mbed Platform 'mbed LPC1768' avaliable in 'http://mbed.org'.
**********************************************************/

#include "buzzer.h"

extern "C" void mbed_reset();
 
Buzzer::Buzzer(MyDigitalOut* buzzer)
{
    this->_buzzer = buzzer;
    boot();
}

Buzzer::~Buzzer(){}

void Buzzer::ON()
{
    *_buzzer = 0;
}

void Buzzer::OFF()
{
    *_buzzer = 1;
}

void Buzzer::setFlag()
{
    flag=1;
}

void Buzzer::cleanFlag()
{
    flag=0;
}

void Buzzer::check_time_out()
{
    if(flag == 1)
    {
        ON();
        wait(3);
        mbed_reset();
    }
    else
    {
        OFF();
    }
}

void Buzzer::time_out_init()
{
    setFlag();
    time_out.detach();
    time_out.attach(this, &Buzzer::check_time_out, TIME_OUT);
}

void Buzzer::target_not_found()
{
    ON();
    wait(0.1);
    OFF();
    wait(0.1);
    ON();
    wait(0.2);
    OFF();
}


void Buzzer::boot()
{
    ON();
    wait(0.1);
    OFF();
    wait(0.1);
    ON();
    wait(0.1);
    OFF();
    wait(0.1);
    ON();
    wait(0.2);
    OFF();
}


void Buzzer::take_photo()
{
    ON();
    wait(0.2);
    OFF();
}

void Buzzer::notice(uint8_t type)
{
    switch (type)
    {
     case BUZZER_TARGET_NOT_FOUND:
        target_not_found();
        break;
    
     case BUZZER_TAKE_PHOTO:
        take_photo();
        break;
    }
}