aboutsummaryrefslogtreecommitdiff
path: root/lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h')
-rw-r--r--lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h
new file mode 100644
index 000000000..a14ef6266
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC844/system_LPC844.h
@@ -0,0 +1,116 @@
1/*
2** ###################################################################
3** Processors: LPC844M201JBD48
4** LPC844M201JBD64
5** LPC844M201JHI33
6** LPC844M201JHI48
7**
8** Compilers: GNU C Compiler
9** IAR ANSI C/C++ Compiler for ARM
10** Keil ARM C/C++ Compiler
11** MCUXpresso Compiler
12**
13** Reference manual: LPC84x User manual Rev.1.6 8 Dec 2017
14** Version: rev. 1.2, 2017-06-08
15** Build: b200416
16**
17** Abstract:
18** Provides a system configuration function and a global variable that
19** contains the system frequency. It configures the device and initializes
20** the oscillator (PLL) that is part of the microcontroller device.
21**
22** Copyright 2016 Freescale Semiconductor, Inc.
23** Copyright 2016-2020 NXP
24** All rights reserved.
25**
26** SPDX-License-Identifier: BSD-3-Clause
27**
28** http: www.nxp.com
29** mail: [email protected]
30**
31** Revisions:
32** - rev. 1.0 (2016-08-12)
33** Initial version.
34** - rev. 1.1 (2016-11-25)
35** Update CANFD and Classic CAN register.
36** Add MAC TIMERSTAMP registers.
37** - rev. 1.2 (2017-06-08)
38** Remove RTC_CTRL_RTC_OSC_BYPASS.
39** SYSCON_ARMTRCLKDIV rename to SYSCON_ARMTRACECLKDIV.
40** Remove RESET and HALT from SYSCON_AHBCLKDIV.
41**
42** ###################################################################
43*/
44
45/*!
46 * @file LPC844
47 * @version 1.2
48 * @date 2017-06-08
49 * @brief Device specific configuration file for LPC844 (header file)
50 *
51 * Provides a system configuration function and a global variable that contains
52 * the system frequency. It configures the device and initializes the oscillator
53 * (PLL) that is part of the microcontroller device.
54 */
55
56#ifndef _SYSTEM_LPC844_H_
57#define _SYSTEM_LPC844_H_ /**< Symbol preventing repeated inclusion */
58
59#ifdef __cplusplus
60extern "C" {
61#endif
62
63#include <stdint.h>
64
65#define DEFAULT_SYSTEM_CLOCK 12000000u /* Default System clock value */
66#define CLK_RTC_32K_CLK 32768u /* RTC oscillator 32 kHz output (32k_clk */
67#define CLK_FRO_12MHZ 12000000u /* FRO 12 MHz (fro_12m) */
68#define CLK_OSC_IN 12000000u /* Oscillator input */
69
70
71/**
72 * @brief System clock frequency (core clock)
73 *
74 * The system clock frequency supplied to the SysTick timer and the processor
75 * core clock. This variable can be used by the user application to setup the
76 * SysTick timer or configure other parameters. It may also be used by debugger to
77 * query the frequency of the debug timer or configure the trace clock speed
78 * SystemCoreClock is initialized with a correct predefined value.
79 */
80extern uint32_t SystemCoreClock;
81
82/**
83 * @brief Setup the microcontroller system.
84 *
85 * Typically this function configures the oscillator (PLL) that is part of the
86 * microcontroller device. For systems with variable clock speed it also updates
87 * the variable SystemCoreClock. SystemInit is called from startup_device file.
88 */
89void SystemInit (void);
90
91/**
92 * @brief Updates the SystemCoreClock variable.
93 *
94 * It must be called whenever the core clock is changed during program
95 * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
96 * the current core clock.
97 */
98void SystemCoreClockUpdate (void);
99
100/**
101 * @brief SystemInit function hook.
102 *
103 * This weak function allows to call specific initialization code during the
104 * SystemInit() execution.This can be used when an application specific code needs
105 * to be called as close to the reset entry as possible (for example the Multicore
106 * Manager MCMGR_EarlyInit() function call).
107 * NOTE: No global r/w variables can be used in this hook function because the
108 * initialization of these variables happens after this function.
109 */
110void SystemInitHook (void);
111
112#ifdef __cplusplus
113}
114#endif
115
116#endif /* _SYSTEM_LPC844_H_ */