system_max78000.h

/******************************************************************************
 *
 * Copyright (C) 2022-2023 Maxim Integrated Products, Inc. (now owned by 
 * Analog Devices, Inc.),
 * Copyright (C) 2023-2024 Analog Devices, Inc.
 *
 * 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.
 *
 ******************************************************************************/
 
#ifndef LIBRARIES_CMSIS_DEVICE_MAXIM_MAX78000_INCLUDE_SYSTEM_MAX78000_H_
#define LIBRARIES_CMSIS_DEVICE_MAXIM_MAX78000_INCLUDE_SYSTEM_MAX78000_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
 
/*----------------------------------------------------------------------------
  Define clocks
 *----------------------------------------------------------------------------*/
 
/* NOTE: HIRC was previously named CRYPTO */
#ifdef CRYPTO_FREQ
#warning WARNING: CRYPTO_FREQ does not exist in MAX78000, replace with HIRC_FREQ!
#define HIRC_FREQ CRYPTO_FREQ
#endif
 
/* NOTE: EXTCLK needs to be defined by user based on the clock they supply */
#ifndef EXTCLK_FREQ
#define EXTCLK_FREQ 75000000
#endif
 
/* NOTE: This is the nominal value for INRO. The actual value may vary from chip to chip. 
         Update if use of this oscillator requires precise timing.
         This is default device setting. Update this if user changes to other 
         available value.*/
/* NOTE: INRO was previously named NANORING */
#ifndef INRO_FREQ
#define INRO_FREQ 30000
#endif
 
#ifndef IPO_FREQ
#define IPO_FREQ 100000000
#endif
 
#ifndef ISO_FREQ
#define ISO_FREQ 60000000
#endif
 
#ifndef IBRO_FREQ
#define IBRO_FREQ 7372800
#endif
 
#ifndef ERTCO_FREQ
#define ERTCO_FREQ 32768
#endif
 
#ifndef HIRC_FREQ
#define HIRC_FREQ IPO_FREQ
#endif
 
extern uint32_t SystemCoreClock; 
#ifdef PeripheralClock
#warning PeripheralClock define is being overidden.
#else
#define PeripheralClock (SystemCoreClock / 2) 
#endif
 
/*
 * Initialize the system
 *
 * @brief  Setup the microcontroller system.
 *         Initialize the System and update the SystemCoreClock variable.
 */
void SystemInit(void);
 
/*
 * Update SystemCoreClock variable
 *
 * @brief  Updates the SystemCoreClock with current core Clock
 *         retrieved from CPU registers.
 */
void SystemCoreClockUpdate(void);
 
#ifdef __cplusplus
}
#endif
 
#endif // LIBRARIES_CMSIS_DEVICE_MAXIM_MAX78000_INCLUDE_SYSTEM_MAX78000_H_