1 /*
2 ** ###################################################################
3 ** Processors: LPC864M201JBD64
4 ** LPC864M201JHI33
5 ** LPC864M201JHI48
6 **
7 ** Compilers: GNU C Compiler
8 ** IAR ANSI C/C++ Compiler for ARM
9 ** Keil ARM C/C++ Compiler
10 ** MCUXpresso Compiler
11 **
12 ** Reference manual: LPC86x User manual Rev.1 March 2022
13 ** Version: rev. 1.0, 2022-03-15
14 ** Build: b230713
15 **
16 ** Abstract:
17 ** Provides a system configuration function and a global variable that
18 ** contains the system frequency. It configures the device and initializes
19 ** the oscillator (PLL) that is part of the microcontroller device.
20 **
21 ** Copyright 2016 Freescale Semiconductor, Inc.
22 ** Copyright 2016-2023 NXP
23 ** SPDX-License-Identifier: BSD-3-Clause
24 **
25 ** http: www.nxp.com
26 ** mail: support@nxp.com
27 **
28 ** Revisions:
29 ** - rev. 0.0 (2021-07-15)
30 ** Initial version.
31 ** - rev. 1.0 (2022-03-15)
32 ** Revesion of Rev. 1.
33 **
34 ** ###################################################################
35 */
36
37 /*!
38 * @file LPC864
39 * @version 1.0
40 * @date 2022-03-15
41 * @brief Device specific configuration file for LPC864 (implementation file)
42 *
43 * Provides a system configuration function and a global variable that contains
44 * the system frequency. It configures the device and initializes the oscillator
45 * (PLL) that is part of the microcontroller device.
46 */
47
48 #include <stdint.h>
49 #include "fsl_device_registers.h"
50
51
52
53
54
55 /* ----------------------------------------------------------------------------
56 -- Core clock
57 ---------------------------------------------------------------------------- */
58
59 uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
60
61 /* ----------------------------------------------------------------------------
62 -- SystemInit()
63 ---------------------------------------------------------------------------- */
64
SystemInit(void)65 void SystemInit (void) {
66
67 #if defined(__MCUXPRESSO)
68 extern void(*const g_pfnVectors[]) (void);
69 SCB->VTOR = (uint32_t) &g_pfnVectors;
70 #else
71 extern void *__Vectors;
72 SCB->VTOR = (uint32_t) &__Vectors;
73 #endif
74 SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
75 SystemInitHook();
76 }
77
78 /* ----------------------------------------------------------------------------
79 -- SystemCoreClockUpdate()
80 ---------------------------------------------------------------------------- */
81
SystemCoreClockUpdate(void)82 void SystemCoreClockUpdate (void) {
83
84 }
85
86 /* ----------------------------------------------------------------------------
87 -- SystemInitHook()
88 ---------------------------------------------------------------------------- */
89
SystemInitHook(void)90 __attribute__ ((weak)) void SystemInitHook (void) {
91 /* Void implementation of the weak function. */
92 }
93
