1 /*
2 ** ###################################################################
3 ** Processors: LPC865M201JBD64
4 ** LPC865M201JHI33
5 ** LPC865M201JHI48
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: b230301
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 ** All rights reserved.
24 **
25 ** SPDX-License-Identifier: BSD-3-Clause
26 **
27 ** http: www.nxp.com
28 ** mail: support@nxp.com
29 **
30 ** Revisions:
31 ** - rev. 0.0 (2021-07-15)
32 ** Initial version.
33 ** - rev. 1.0 (2022-03-15)
34 ** Revesion of Rev. 1.
35 **
36 ** ###################################################################
37 */
38
39 /*!
40 * @file LPC865
41 * @version 1.0
42 * @date 2022-03-15
43 * @brief Device specific configuration file for LPC865 (implementation file)
44 *
45 * Provides a system configuration function and a global variable that contains
46 * the system frequency. It configures the device and initializes the oscillator
47 * (PLL) that is part of the microcontroller device.
48 */
49
50 #include <stdint.h>
51 #include "fsl_device_registers.h"
52
53
54
55
56
57 /* ----------------------------------------------------------------------------
58 -- Core clock
59 ---------------------------------------------------------------------------- */
60
61 uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
62
63 /* ----------------------------------------------------------------------------
64 -- SystemInit()
65 ---------------------------------------------------------------------------- */
66
SystemInit(void)67 void SystemInit (void) {
68
69 #if defined(__MCUXPRESSO)
70 extern void(*const g_pfnVectors[]) (void);
71 SCB->VTOR = (uint32_t) &g_pfnVectors;
72 #else
73 extern void *__Vectors;
74 SCB->VTOR = (uint32_t) &__Vectors;
75 #endif
76 SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
77 SystemInitHook();
78 }
79
80 /* ----------------------------------------------------------------------------
81 -- SystemCoreClockUpdate()
82 ---------------------------------------------------------------------------- */
83
SystemCoreClockUpdate(void)84 void SystemCoreClockUpdate (void) {
85
86 }
87
88 /* ----------------------------------------------------------------------------
89 -- SystemInitHook()
90 ---------------------------------------------------------------------------- */
91
SystemInitHook(void)92 __attribute__ ((weak)) void SystemInitHook (void) {
93 /* Void implementation of the weak function. */
94 }
95
