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+/*
+** ###################################################################
+** Processors: LPC54018JBD208
+** LPC54018JET180
+**
+** Compilers: GNU C Compiler
+** IAR ANSI C/C++ Compiler for ARM
+** Keil ARM C/C++ Compiler
+** MCUXpresso Compiler
+**
+** Reference manual: LPC540xx/LPC54S0xx User manual Rev.0.8 5 June 2018
+** Version: rev. 1.2, 2017-06-08
+** Build: b191014
+**
+** 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 2016-2019 NXP
+** All rights reserved.
+**
+** SPDX-License-Identifier: BSD-3-Clause
+**
+** http: www.nxp.com
+** mail: support@nxp.com
+**
+** Revisions:
+** - rev. 1.0 (2016-08-12)
+** Initial version.
+** - rev. 1.1 (2016-11-25)
+** Update CANFD and Classic CAN register.
+** Add MAC TIMERSTAMP registers.
+** - rev. 1.2 (2017-06-08)
+** Remove RTC_CTRL_RTC_OSC_BYPASS.
+** SYSCON_ARMTRCLKDIV rename to SYSCON_ARMTRACECLKDIV.
+** Remove RESET and HALT from SYSCON_AHBCLKDIV.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file LPC54018
+ * @version 1.2
+ * @date 2017-06-08
+ * @brief Device specific configuration file for LPC54018 (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_LPC54018_H_
+#define _SYSTEM_LPC54018_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_LPC54018_H_ */