128 lines
4.5 KiB
C
128 lines
4.5 KiB
C
/*
|
|
** ###################################################################
|
|
** Processors: MIMXRT1052CVJ5B
|
|
** MIMXRT1052CVL5B
|
|
** MIMXRT1052DVJ6B
|
|
** MIMXRT1052DVL6B
|
|
**
|
|
** Compilers: Freescale C/C++ for Embedded ARM
|
|
** GNU C Compiler
|
|
** IAR ANSI C/C++ Compiler for ARM
|
|
** Keil ARM C/C++ Compiler
|
|
** MCUXpresso Compiler
|
|
**
|
|
** Reference manual: IMXRT1050RM Rev.2.1, 12/2018
|
|
** Version: rev. 1.2, 2018-11-27
|
|
** Build: b181205
|
|
**
|
|
** 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.
|
|
**
|
|
** Copyright 2016 Freescale Semiconductor, Inc.
|
|
** Copyright 2016-2018 NXP
|
|
** All rights reserved.
|
|
**
|
|
** SPDX-License-Identifier: BSD-3-Clause
|
|
**
|
|
** http: www.nxp.com
|
|
** mail: support@nxp.com
|
|
**
|
|
** Revisions:
|
|
** - rev. 0.1 (2017-01-10)
|
|
** Initial version.
|
|
** - rev. 1.0 (2018-09-21)
|
|
** Update interrupt vector table and dma request source.
|
|
** Update register BEE_ADDR_OFFSET1's bitfield name to ADDR_OFFSET1.
|
|
** Split GPIO_COMBINED_IRQS to GPIO_COMBINED_LOW_IRQS and GPIO_COMBINED_HIGH_IRQS.
|
|
** - rev. 1.1 (2018-11-16)
|
|
** Update header files to align with IMXRT1050RM Rev.1.
|
|
** - rev. 1.2 (2018-11-27)
|
|
** Update header files to align with IMXRT1050RM Rev.2.1.
|
|
**
|
|
** ###################################################################
|
|
*/
|
|
|
|
/*!
|
|
* @file MIMXRT1052
|
|
* @version 1.2
|
|
* @date 2018-11-27
|
|
* @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_ */
|