130 lines
4.7 KiB
C
130 lines
4.7 KiB
C
/*
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** ###################################################################
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** Processors: MIMXRT1052CVJ5B
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** MIMXRT1052CVL5B
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** MIMXRT1052DVJ6B
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** MIMXRT1052DVL6B
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**
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** Compilers: Freescale C/C++ for Embedded ARM
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** GNU C Compiler
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** IAR ANSI C/C++ Compiler for ARM
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** Keil ARM C/C++ Compiler
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** MCUXpresso Compiler
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**
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** Reference manual: IMXRT1050RM Rev.2.1, 12/2018 | IMXRT1050SRM Rev.2
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** Version: rev. 1.3, 2019-04-29
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** Build: b191113
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**
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** Abstract:
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** Provides a system configuration function and a global variable that
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** contains the system frequency. It configures the device and initializes
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** the oscillator (PLL) that is part of the microcontroller device.
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**
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** Copyright 2016 Freescale Semiconductor, Inc.
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** Copyright 2016-2019 NXP
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** All rights reserved.
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**
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** SPDX-License-Identifier: BSD-3-Clause
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**
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** http: www.nxp.com
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** mail: support@nxp.com
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**
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** Revisions:
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** - rev. 0.1 (2017-01-10)
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** Initial version.
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** - rev. 1.0 (2018-09-21)
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** Update interrupt vector table and dma request source.
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** Update register BEE_ADDR_OFFSET1's bitfield name to ADDR_OFFSET1.
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** Split GPIO_COMBINED_IRQS to GPIO_COMBINED_LOW_IRQS and GPIO_COMBINED_HIGH_IRQS.
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** - rev. 1.1 (2018-11-16)
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** Update header files to align with IMXRT1050RM Rev.1.
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** - rev. 1.2 (2018-11-27)
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** Update header files to align with IMXRT1050RM Rev.2.1.
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** - rev. 1.3 (2019-04-29)
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** Add SET/CLR/TOG register group to register CTRL, STAT, CHANNELCTRL, CH0STAT, CH0OPTS, CH1STAT, CH1OPTS, CH2STAT, CH2OPTS, CH3STAT, CH3OPTS of DCP module.
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**
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** ###################################################################
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*/
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/*!
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* @file MIMXRT1052
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* @version 1.3
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* @date 2019-04-29
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* @brief Device specific configuration file for MIMXRT1052 (header file)
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*
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* Provides a system configuration function and a global variable that contains
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* the system frequency. It configures the device and initializes the oscillator
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* (PLL) that is part of the microcontroller device.
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*/
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#ifndef _SYSTEM_MIMXRT1052_H_
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#define _SYSTEM_MIMXRT1052_H_ /**< Symbol preventing repeated inclusion */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#ifndef DISABLE_WDOG
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#define DISABLE_WDOG 1
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#endif
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/* Define clock source values */
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#define CPU_XTAL_CLK_HZ 24000000UL /* Value of the external crystal or oscillator clock frequency in Hz */
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#define CPU_CLK1_HZ 0UL /* Value of the CLK1 (select the CLK1_N/CLK1_P as source) frequency in Hz */
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/* If CLOCK1_P,CLOCK1_N is choose as the pll bypass clock source, please implement the CLKPN_FREQ define, otherwise 0 will be returned. */
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#define DEFAULT_SYSTEM_CLOCK 528000000UL /* Default System clock value */
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/**
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* @brief System clock frequency (core clock)
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*
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* The system clock frequency supplied to the SysTick timer and the processor
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* core clock. This variable can be used by the user application to setup the
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* SysTick timer or configure other parameters. It may also be used by debugger to
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* query the frequency of the debug timer or configure the trace clock speed
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* SystemCoreClock is initialized with a correct predefined value.
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*/
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extern uint32_t SystemCoreClock;
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/**
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* @brief Setup the microcontroller system.
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*
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* Typically this function configures the oscillator (PLL) that is part of the
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* microcontroller device. For systems with variable clock speed it also updates
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* the variable SystemCoreClock. SystemInit is called from startup_device file.
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*/
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void SystemInit (void);
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/**
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* @brief Updates the SystemCoreClock variable.
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*
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* It must be called whenever the core clock is changed during program
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* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
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* the current core clock.
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*/
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void SystemCoreClockUpdate (void);
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/**
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* @brief SystemInit function hook.
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*
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* This weak function allows to call specific initialization code during the
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* SystemInit() execution.This can be used when an application specific code needs
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* to be called as close to the reset entry as possible (for example the Multicore
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* Manager MCMGR_EarlyInit() function call).
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* NOTE: No global r/w variables can be used in this hook function because the
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* initialization of these variables happens after this function.
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*/
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void SystemInitHook (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSTEM_MIMXRT1052_H_ */
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