148 lines
5.8 KiB
C
148 lines
5.8 KiB
C
/*
|
|
** ###################################################################
|
|
** Processors: MIMXRT1052CVJ5B
|
|
** MIMXRT1052CVL5B
|
|
** MIMXRT1052DVJ6B
|
|
** MIMXRT1052DVL6B
|
|
**
|
|
** Compilers: Keil ARM C/C++ Compiler
|
|
** Freescale C/C++ for Embedded ARM
|
|
** GNU C Compiler
|
|
** IAR ANSI C/C++ Compiler for ARM
|
|
** MCUXpresso Compiler
|
|
**
|
|
** Reference manual: IMXRT1050RM Rev.1, 03/2018
|
|
** Version: rev. 0.1, 2017-01-10
|
|
** Build: b180509
|
|
**
|
|
** Abstract:
|
|
** Provides a system configuration function and a global variable that
|
|
** contains the system frequency. It configures the device and initializes
|
|
** the oscillator (PLL) that is part of the microcontroller device.
|
|
**
|
|
** The Clear BSD License
|
|
** Copyright 2016 Freescale Semiconductor, Inc.
|
|
** Copyright 2016-2018 NXP
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted (subject to the limitations in the
|
|
** disclaimer below) provided that the following conditions are met:
|
|
**
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
**
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
**
|
|
** * Neither the name of the copyright holder nor the names of its
|
|
** contributors may be used to endorse or promote products derived from
|
|
** this software without specific prior written permission.
|
|
**
|
|
** NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
|
|
** GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
|
|
** HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
** IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**
|
|
** http: www.nxp.com
|
|
** mail: support@nxp.com
|
|
**
|
|
** Revisions:
|
|
** - rev. 0.1 (2017-01-10)
|
|
** Initial version.
|
|
**
|
|
** ###################################################################
|
|
*/
|
|
|
|
/*!
|
|
* @file MIMXRT1052
|
|
* @version 0.1
|
|
* @date 2017-01-10
|
|
* @brief Device specific configuration file for MIMXRT1052 (header file)
|
|
*
|
|
* Provides a system configuration function and a global variable that contains
|
|
* the system frequency. It configures the device and initializes the oscillator
|
|
* (PLL) that is part of the microcontroller device.
|
|
*/
|
|
|
|
#ifndef _SYSTEM_MIMXRT1052_H_
|
|
#define _SYSTEM_MIMXRT1052_H_ /**< Symbol preventing repeated inclusion */
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
#ifndef DISABLE_WDOG
|
|
#define DISABLE_WDOG 1
|
|
#endif
|
|
|
|
/* Define clock source values */
|
|
|
|
#define CPU_XTAL_CLK_HZ 24000000UL /* Value of the external crystal or oscillator clock frequency in Hz */
|
|
|
|
#define CPU_CLK1_HZ 0UL /* Value of the CLK1 (select the CLK1_N/CLK1_P as source) frequency in Hz */
|
|
/* If CLOCK1_P,CLOCK1_N is choose as the pll bypass clock source, please implement the CLKPN_FREQ define, otherwise 0 will be returned. */
|
|
|
|
#define DEFAULT_SYSTEM_CLOCK 528000000UL /* Default System clock value */
|
|
|
|
|
|
/**
|
|
* @brief System clock frequency (core clock)
|
|
*
|
|
* The system clock frequency supplied to the SysTick timer and the processor
|
|
* core clock. This variable can be used by the user application to setup the
|
|
* SysTick timer or configure other parameters. It may also be used by debugger to
|
|
* query the frequency of the debug timer or configure the trace clock speed
|
|
* SystemCoreClock is initialized with a correct predefined value.
|
|
*/
|
|
extern uint32_t SystemCoreClock;
|
|
|
|
/**
|
|
* @brief Setup the microcontroller system.
|
|
*
|
|
* Typically this function configures the oscillator (PLL) that is part of the
|
|
* microcontroller device. For systems with variable clock speed it also updates
|
|
* the variable SystemCoreClock. SystemInit is called from startup_device file.
|
|
*/
|
|
void SystemInit (void);
|
|
|
|
/**
|
|
* @brief Updates the SystemCoreClock variable.
|
|
*
|
|
* It must be called whenever the core clock is changed during program
|
|
* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
|
|
* the current core clock.
|
|
*/
|
|
void SystemCoreClockUpdate (void);
|
|
|
|
/**
|
|
* @brief SystemInit function hook.
|
|
*
|
|
* This weak function allows to call specific initialization code during the
|
|
* SystemInit() execution.This can be used when an application specific code needs
|
|
* to be called as close to the reset entry as possible (for example the Multicore
|
|
* Manager MCMGR_EarlyInit() function call).
|
|
* NOTE: No global r/w variables can be used in this hook function because the
|
|
* initialization of these variables happens after this function.
|
|
*/
|
|
void SystemInitHook (void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYSTEM_MIMXRT1052_H_ */
|