speck_cpa_cw/cw_firmware/deps/hal/saml11/system_saml11e16a.c

/**
 * \file
 *
 * \brief System configuration file for ATSAML11E16A
 *
 * Copyright (c) 2018 Microchip Technology Inc.
 *
 * \license_start
 *
 * \page License
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * \license_stop
 *
 */

#include "saml11e16a.h"

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extern "C" {
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/**
 * Initial system clock frequency. The System RC Oscillator (RCSYS) provides
 *  the source for the main clock at chip startup.
 */
#define __SYSTEM_CLOCK    (4000000)

uint32_t SystemCoreClock = __SYSTEM_CLOCK;  /*!< System Clock Frequency (Core Clock)*/

/**
 * Initialize the system
 *
 * \brief  Setup the microcontroller system.
 *         Initialize the System and update the SystemCoreClock variable.
 */
void SystemInit(void)
{
    // Keep the default device state after reset
    SystemCoreClock = __SYSTEM_CLOCK;
    return;
}

/**
 * Update SystemCoreClock variable
 *
 * \brief  Updates the SystemCoreClock with current core Clock
 *         retrieved from cpu registers.
 */
void SystemCoreClockUpdate(void)
{
    // Not implemented
    SystemCoreClock = __SYSTEM_CLOCK;
    return;
}

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