os-core/kernel/drivers/timer/timer.c

/******************************************************************************
 *
 *                Copyright (c) 2017-2019 by Löwenware Ltd
 *             Please, refer LICENSE file for legal information
 *
 ******************************************************************************/

/**
 * @file timer.c
 * @author Ilja Kartašov <ik@lowenware.com>
 * @brief 
 *
 * @see https://lowenware.com/
 */

#include <aarch64/aarch64.h>
#include <drivers/soc/bcm2837/bcm2837.h>
#include <leos/log.h>
#include "timer.h"

const unsigned int m_interval = 200000;
unsigned int m_current = 0;

#ifndef CONFIG_ARM_TIMER
#define CONFIG_ARM_TIMER 1
#endif

void
Timer_init(void)
{
#if CONFIG_ARM_TIMER == 1
#else
	m_current = aarch64_get32r(TIMER_CLO);
	m_current += m_interval;
	aarch64_set32r(TIMER_C1, m_current);
#endif
}

void
Timer_incFromISR(void)
{
#if CONFIG_ARM_TIMER == 1

#else
	m_current += m_interval;
	aarch64_set32r(TIMER_C1, m_current);
	aarch64_set32r(TIMER_CS, TIMER_CS_M1);
#endif
	Log_putS("Timer: ");
	Log_putI(m_current, 10);
	Log_putS("\r\n");
}