137 lines
5.6 KiB
C
137 lines
5.6 KiB
C
|
/*
|
||
|
|
** ###################################################################
|
||
|
|
** Processors: LPC54114J256BD64_cm4
|
||
|
|
** LPC54114J256UK49_cm4
|
||
|
|
**
|
||
|
|
** Compilers: Keil ARM C/C++ Compiler
|
||
|
|
** GNU C Compiler
|
||
|
|
** IAR ANSI C/C++ Compiler for ARM
|
||
|
|
** MCUXpresso Compiler
|
||
|
|
**
|
||
|
|
** Reference manual: LPC5411x User manual Rev. 1.1 25 May 2016
|
||
|
|
** Version: rev. 1.0, 2016-04-29
|
||
|
|
** Build: b161227
|
||
|
|
**
|
||
|
|
** 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 (c) 2016 Freescale Semiconductor, Inc.
|
||
|
|
** Copyright 2016 - 2017 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:
|
||
|
|
**
|
||
|
|
** o Redistributions of source code must retain the above copyright notice, this list
|
||
|
|
** of conditions and the following disclaimer.
|
||
|
|
**
|
||
|
|
** o 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.
|
||
|
|
**
|
||
|
|
** o 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. 1.0 (2016-04-29)
|
||
|
|
** Initial version.
|
||
|
|
**
|
||
|
|
** ###################################################################
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* @file LPC54114_cm4
|
||
|
|
* @version 1.0
|
||
|
|
* @date 2016-04-29
|
||
|
|
* @brief Device specific configuration file for LPC54114_cm4 (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_LPC54114_cm4_H_
|
||
|
|
#define _SYSTEM_LPC54114_cm4_H_ /**< Symbol preventing repeated inclusion */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
|
||
|
|
#define DEFAULT_SYSTEM_CLOCK 12000000u /* Default System clock value */
|
||
|
|
#define CLK_RTC_32K_CLK 32768u /* RTC oscillator 32 kHz output (32k_clk */
|
||
|
|
#define CLK_FRO_12MHZ 12000000u /* FRO 12 MHz (fro_12m) */
|
||
|
|
#define CLK_FRO_48MHZ 48000000u /* FRO 48 MHz (fro_48m) */
|
||
|
|
#define CLK_FRO_96MHZ 96000000u /* FRO 96 MHz (fro_96m) */
|
||
|
|
#define CLK_CLK_IN 0u /* Default CLK_IN pin clock */
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @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_LPC54114_cm4_H_ */
|