/***************************************************************************//**
 *   @file   buzzer.cpp
 *   @brief  Implementation of buzzer.cpp
 *   @author
 *******************************************************************************
 * Copyright 2022(c) Analog Devices, Inc.
 *
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 *    notice, this list of conditions and the following disclaimer.
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 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *  - The use of this software may or may not infringe the patent rights
 *    of one or more patent holders.  This license does not release you
 *    from the requirement that you obtain separate licenses from these
 *    patent holders to use this software.
 *  - Use of the software either in source or binary form, must be run
 *    on or directly connected to an Analog Devices Inc. component.
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 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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 ******************************************************************************/

#include <ADuCM360.h>
#include <hal/timer.h>
#include <list>

#include <cstdarg>

using namespace std;

list<unsigned int> beep_l;

void buzzer_open(void)
{
	pADI_GP2->GPCON = (pADI_GP2->GPCON & ~GP2CON_CON2_MSK) | GP2CON_CON2_GPIO;

	GP2OCE_OCE2_BBA = false;

	GP2SET_SET2_BBA = true;

	GP2OEN_OEN2_BBA = true;

	GP2PUL_PUL2_BBA = true;
}

int static beep_loop(int argc, char *argv[])
{
	timer t;

	if (!beep_l.empty()) {
		t.time = beep_l.front();
		beep_l.pop_front();

		t.timer_app.fun = beep_loop;
		t.timer_app.argc = 0;
		t.timer_app.argv = new char*;

		GP2TGL_TGL2_BBA = 0x1;

		update_timer(t);
	} else {
		t.timer_app.fun = beep_loop;
		t.timer_app.argc = 0;

		delete_timer(t);
		GP2SET_SET2_BBA = 0x1; //stop
	}

	return 0;
}

void _beep(int time, ...)
{
	GP2SET_SET2_BBA = 0x1; //stop

	beep_l.clear();

	timer t;
	t.timer_app.fun = beep_loop;
	t.timer_app.argc = 0;

	delete_timer(t);

	va_list ap;
	va_start(ap, time);

	for (int i = time; i > 0; i = va_arg(ap, int)) {
		beep_l.push_back(i);
	}

	va_end(ap);

	beep_loop(0, nullptr); //start
}