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/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <bsp.h>
#include <bsp/power.h>
#include <bsp/irq.h>
#include <libchip/chip.h>
#include <rtems/score/armv7m.h>
void atsam_power_handler_clock_driver(
const atsam_power_control *control,
atsam_power_state state
)
{
volatile ARMV7M_Systick *systick = _ARMV7M_Systick;
(void) control;
switch (state) {
case ATSAM_POWER_ON:
systick->csr = ARMV7M_SYSTICK_CSR_ENABLE |
ARMV7M_SYSTICK_CSR_TICKINT |
ARMV7M_SYSTICK_CSR_CLKSOURCE;
break;
case ATSAM_POWER_OFF:
systick->csr = 0;
break;
default:
break;
}
}
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