blob: 2fd8334920c8f91c02577c12349fe6ae4eb3c481 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC under BSD 3-Clause license
* (the "License"); You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*/
/******************************************************************************/
/** \file system_hc32f460.h
**
** A detailed description is available at
** @link Hc32f460SystemGroup Hc32f460System description @endlink
**
** - 2018-10-15 CDT First version.
**
******************************************************************************/
#ifndef __SYSTEM_HC32F460_H__
#define __SYSTEM_HC32F460_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include <stdint.h>
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C" {
#endif
/**
*******************************************************************************
** \defgroup Hc32f460SystemGroup HC32F460 System Configure
**
******************************************************************************/
//@{
/*******************************************************************************
* Global pre-processor symbols/macros ('define')
******************************************************************************/
/**
******************************************************************************
** \brief Clock Setup macro definition
**
** - 0: CLOCK_SETTING_NONE - User provides own clock setting in application
** - 1: CLOCK_SETTING_CMSIS -
******************************************************************************/
#define CLOCK_SETTING_NONE 0u
#define CLOCK_SETTING_CMSIS 1u
#define HRC_FREQ_MON() (*((volatile unsigned int*)(0x40010684UL)))
#if !defined (HRC_16MHz_VALUE)
#define HRC_16MHz_VALUE ((uint32_t)16000000UL) /*!< Internal high speed RC freq.(16MHz) */
#endif
#if !defined (HRC_20MHz_VALUE)
#define HRC_20MHz_VALUE ((uint32_t)20000000UL) /*!< Internal high speed RC freq.(20MHz) */
#endif
#if !defined (MRC_VALUE)
#define MRC_VALUE ((uint32_t)8000000) /*!< Internal middle speed RC freq. */
#endif
#if !defined (LRC_VALUE)
#define LRC_VALUE ((uint32_t)32768) /*!< Internal low speed RC freq. */
#endif
#if !defined (XTAL_VALUE)
#define XTAL_VALUE ((uint32_t)8000000) /*!< External high speed OSC freq. */
#endif
#if !defined (XTAL32_VALUE)
#define XTAL32_VALUE ((uint32_t)32768) /*!< External low speed OSC freq. */
#endif
/******************************************************************************/
/* */
/* START OF USER SETTINGS HERE */
/* =========================== */
/* */
/* All lines with '<<<' can be set by user. */
/* */
/******************************************************************************/
/******************************************************************************/
/* Global function prototypes ('extern', definition in C source) */
/******************************************************************************/
extern uint32_t HRC_VALUE; // HRC Clock Frequency (Core Clock)
extern uint32_t SystemCoreClock; // System Clock Frequency (Core Clock)
extern void SystemInit(void); // Initialize the system
extern void SystemCoreClockUpdate(void); // Update SystemCoreClock variable
//@} // Hc32f460SystemGroup
#ifdef __cplusplus
}
#endif
#endif /* __SYSTEM_HC32F460_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
