summaryrefslogtreecommitdiff
path: root/bsp/hc32l136/libraries/HC32L136_StdPeriph_Driver/inc/sysctrl.h
blob: 59c063d8c0900e45f1066046836ee73994f93a30 (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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
/*******************************************************************************
* Copyright (C) 2018, Huada Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Huada Semiconductor Co.,Ltd ("HDSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with HDSC
* components. This software is licensed by HDSC to be adapted only
* for use in systems utilizing HDSC components. HDSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. HDSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer: 
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
* WARRANTY OF NONINFRINGEMENT.
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
* SAVINGS OR PROFITS,
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
* FROM, THE SOFTWARE.
*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
* at all times.
*/
/******************************************************************************/
/** \file sysctrl.h
 **
 ** Headerfile for SYSCTRL functions
 ** @link SYSCTRL Group Some description @endlink 
 **
 ** History:
 **   - 2018-04-15   Lux     First Version
 **
 ******************************************************************************/

#ifndef __SYSCTRL_H__
#define __SYSCTRL_H__

/*******************************************************************************
 * Include files
 ******************************************************************************/
#include "ddl.h"
#include "interrupts_hc32l136.h"

#ifdef __cplusplus
extern "C"
{
#endif

/**
 ******************************************************************************
 ** \defgroup SysCtrlGroup (SYSCTRL)
  **
 ******************************************************************************/
//@{

/**
 *******************************************************************************
 ** function prototypes.
 ******************************************************************************/

/******************************************************************************
 * Global type definitions
 ******************************************************************************/
#define SYSTEM_XTH            32*1000*1000u     //默认32MHz,具体值应根据实际系统修改
#define SYSTEM_XTL            32768u            //默认32768Hz,具体值应根据实际系统修改
 
/**
 *******************************************************************************
 ** \brief 系统时钟输入源类型定义
 ** \note
 ******************************************************************************/
typedef enum en_sysctrl_clk_source
{
    SysctrlClkRCH  = 0u,               ///< 内部高速时钟
    SysctrlClkXTH  = 1u,               ///< 外部高速时钟
    SysctrlClkRCL  = 2u,               ///< 内部低速时钟
    SysctrlClkXTL  = 3u,               ///< 外部低速时钟
    SysctrlClkPLL  = 4u,               ///< PLL时钟
}en_sysctrl_clk_source_t;

/**
 *******************************************************************************
 ** \brief RCH频率值枚举类型定义
 ******************************************************************************/
typedef enum en_sysctrl_rch_freq
{
    SysctrlRchFreq4MHz     = 0u,               ///< 4MHz
    SysctrlRchFreq8MHz     = 1u,               ///< 8MHz
    SysctrlRchFreq16MHz    = 2u,               ///< 16MHz
    SysctrlRchFreq22_12MHz = 3u,               ///< 22.12MHz
    SysctrlRchFreq24MHz    = 4u,               ///< 24MHz
}en_sysctrl_rch_freq_t;

/**
 *******************************************************************************
 ** \brief XTAL驱动能力类型定义
 ******************************************************************************/
typedef enum en_sysctrl_xtal_driver
{
    SysctrlXtalDriver0 = 0u,                ///< 最弱驱动能力
    SysctrlXtalDriver1 = 1u,                ///< 弱驱动能力
    SysctrlXtalDriver2 = 3u,                ///< 一般驱动能力
    SysctrlXtalDriver3 = 3u,                ///< 最强驱动能力
}en_sysctrl_xtal_driver_t;

/**
 *******************************************************************************
 ** \brief XTH频率值范围选择类型定义
 ******************************************************************************/
typedef enum en_sysctrl_xth_freq
{
    SysctrlXthFreq4_6MHz   = 0u,                ///< 4~6MHz
    SysctrlXthFreq6_12MHz  = 1u,                ///< 6~12MHz
    SysctrlXthFreq12_20MHz = 2u,                ///< 12~20MHz
    SysctrlXthFreq20_32MHz = 3u,                ///< 20~32MHz
}en_sysctrl_xth_freq_t;

/**
 *******************************************************************************
 ** \brief XTH时钟稳定周期数类型定义
 ******************************************************************************/
typedef enum en_sysctrl_xth_cycle
{
    SysctrlXthStableCycle256   = 0u,              ///< 256 个周期数
    SysctrlXthStableCycle1024  = 1u,              ///< 1024 个周期数
    SysctrlXthStableCycle4096  = 2u,              ///< 4096 个周期数
    SysctrlXthStableCycle16384 = 3u,              ///< 16384 个周期数
}en_sysctrl_xth_cycle_t;

/**
 *******************************************************************************
 ** \brief RCL频率值枚举类型定义
 ******************************************************************************/
typedef enum en_sysctrl_rcl_freq
{
    SysctrlRclFreq32768    = 0u,               ///< 32.768KHz
    SysctrlRclFreq38400    = 1u,               ///< 38.4KHz
}en_sysctrl_rcl_freq_t;

/**
 *******************************************************************************
 ** \brief RCL时钟稳定周期数类型定义
 ******************************************************************************/
typedef enum en_sysctrl_rcl_cycle
{
    SysctrlRclStableCycle4   = 0u,                  ///< 4 个周期数
    SysctrlRclStableCycle16  = 1u,                  ///< 16 个周期数
    SysctrlRclStableCycle64  = 2u,                  ///< 64 个周期数
    SysctrlRclStableCycle256 = 3u,                  ///< 256 个周期数
}en_sysctrl_rcl_cycle_t;

/**
 *******************************************************************************
 ** \brief XTL时钟稳定周期数类型定义
 ******************************************************************************/
typedef enum en_sysctrl_xtl_cycle
{
    SysctrlXtlStableCycle256   = 0u,                  ///< 256 个周期数
    SysctrlXtlStableCycle1024  = 1u,                  ///< 1024 个周期数
    SysctrlXtlStableCycle4096  = 2u,                  ///< 4096 个周期数
    SysctrlXtlStableCycle16384 = 3u,                  ///< 16384 个周期数
}en_sysctrl_xtl_cycle_t;

/**
 *******************************************************************************
 ** \brief XTL晶体振幅枚举类型定义
 ******************************************************************************/
typedef enum en_sysctrl_xtl_amp
{
    SysctrlXtlAmp0 = 0u,                ///< 最小振幅
    SysctrlXtlAmp1 = 1u,                ///< 小振幅
    SysctrlXtlAmp2 = 2u,                ///< 一般振幅
    SysctrlXtlAmp3 = 3u,                ///< 最大振幅
}en_sysctrl_xtl_amp_t;

/**
 *******************************************************************************
 ** \brief PLL时钟稳定周期数类型定义
 ******************************************************************************/
typedef enum en_sysctrl_pll_cycle
{
    SysctrlPllStableCycle128   = 0u,                  ///< 128个周期数
    SysctrlPllStableCycle256   = 1u,                  ///< 256个周期数
    SysctrlPllStableCycle512   = 2u,                  ///< 512个周期数
    SysctrlPllStableCycle1024  = 3u,                  ///< 1024个周期数
    SysctrlPllStableCycle2048  = 4u,                  ///< 2048个周期数
    SysctrlPllStableCycle4096  = 5u,                  ///< 4096个周期数
    SysctrlPllStableCycle8192  = 6u,                  ///< 8192个周期数
    SysctrlPllStableCycle16384 = 7u,                  ///< 16384个周期数    
}en_sysctrl_pll_cycle_t;

/**
 *******************************************************************************
 ** \brief PLL输入频率范围类型定义
 ******************************************************************************/
typedef enum en_sysctrl_pll_infreq
{
    SysctrlPllInFreq4_6MHz   = 0u,                  ///< 4~16MHz
    SysctrlPllInFreq6_12MHz  = 1u,                  ///< 6~12MHz
    SysctrlPllInFreq12_20MHz = 2u,                  ///< 12~20MHz
    SysctrlPllInFreq20_24MHz = 3u,                  ///< 20~24MHz  
}en_sysctrl_pll_infreq_t;

/**
 *******************************************************************************
 ** \brief PLL输出频率范围类型定义
 ******************************************************************************/
typedef enum en_sysctrl_pll_outfreq
{
    SysctrlPllOutFreq8_12MHz  = 0u,                 ///< 8~12MHz
    SysctrlPllOutFreq12_18MHz = 1u,                 ///< 12~18MHz
    SysctrlPllOutFreq18_24MHz = 2u,                 ///< 18~24MHz
    SysctrlPllOutFreq24_36MHz = 3u,                 ///< 24~36MHz
    SysctrlPllOutFreq36_48MHz = 4u,                 ///< 36~48MHz
}en_sysctrl_pll_outfreq_t;

/**
 *******************************************************************************
 ** \brief PLL输入时钟源类型定义
 ******************************************************************************/
typedef enum en_sysctrl_pll_clksource
{
    SysctrlPllXthXtal   = 0u,                  ///< XTH晶振输入的时钟
    SysctrlPllXthPd00In = 2u,                  ///< XTH从端口PD00输入的时钟
    SysctrlPllRch       = 3u,                  ///< RCH时钟
}en_sysctrl_pll_clksource_t;

/**
 *******************************************************************************
 ** \brief PLL输入时钟源类型定义
 ******************************************************************************/
typedef enum en_sysctrl_pll_mul
{
    SysctrlPllMul1  = 1u,                   ///< 1倍频
    SysctrlPllMul2  = 2u,                   ///< 2倍频
    SysctrlPllMul3  = 3u,                   ///< 3倍频
    SysctrlPllMul4  = 4u,                   ///< 4倍频
    SysctrlPllMul5  = 5u,                   ///< 5倍频
    SysctrlPllMul6  = 6u,                   ///< 6倍频
    SysctrlPllMul7  = 7u,                   ///< 7倍频
    SysctrlPllMul8  = 8u,                   ///< 8倍频
    SysctrlPllMul9  = 9u,                   ///< 9倍频
    SysctrlPllMul10 = 10u,                  ///< 10倍频
    SysctrlPllMul11 = 11u,                  ///< 11倍频
    SysctrlPllMul12 = 12u,                  ///< 12倍频
}en_sysctrl_pll_mul_t;

/**
 *******************************************************************************
 ** \brief HCLK时钟分频系数类型定义
 ******************************************************************************/
typedef enum en_sysctrl_hclk_div
{
    SysctrlHclkDiv1   = 0u,              ///< SystemClk
    SysctrlHclkDiv2   = 1u,              ///< SystemClk/2
    SysctrlHclkDiv4   = 2u,              ///< SystemClk/4
    SysctrlHclkDiv8   = 3u,              ///< SystemClk/8
    SysctrlHclkDiv16  = 4u,              ///< SystemClk/16
    SysctrlHclkDiv32  = 5u,              ///< SystemClk/32
    SysctrlHclkDiv64  = 6u,              ///< SystemClk/64
    SysctrlHclkDiv128 = 7u,              ///< SystemClk/128
}en_sysctrl_hclk_div_t;

/**
 *******************************************************************************
 ** \brief PCLK分频系数
 ******************************************************************************/
typedef enum en_sysctrl_pclk_div
{
    SysctrlPclkDiv1 = 0u,                ///< HCLK
    SysctrlPclkDiv2 = 1u,                ///< HCLK/2
    SysctrlPclkDiv4 = 2u,                ///< HCLK/4
    SysctrlPclkDiv8 = 3u,                ///< HCLK/8
}en_sysctrl_pclk_div_t;

/**
 *******************************************************************************
 ** \brief RTC高速时钟补偿时钟频率数据类型定义
 ******************************************************************************/
typedef enum en_sysctrl_rtc_adjust
{
    SysctrlRTC4MHz  = 0u,                ///< 4MHz
    SysctrlRTC6MHz  = 1u,                ///< 6MHz
    SysctrlRTC8MHz  = 2u,                ///< 8MHz
    SysctrlRTC12MHz = 3u,                ///< 12MHz
    SysctrlRTC16MHz = 4u,                ///< 16MHz
    SysctrlRTC20MHz = 5u,                ///< 20MHz
    SysctrlRTC24MHz = 6u,                ///< 24MHz
    SysctrlRTC32MHz = 7u,                ///< 32MHz
}en_sysctrl_rtc_adjust_t;

/**
 *******************************************************************************
 ** \brief 系统控制模块其他功能数据类型定义
 ******************************************************************************/
typedef enum en_sysctrl_func
{
    SysctrlWkupByRCHEn      =0u,                    ///< 唤醒时使用RCH时钟
    SysctrlEXTHEn           =1u,                    ///< 使能外部高速时钟从输入引脚PD00输入
    SysctrlEXTLEn           =2u,                    ///< 使能外部低速速时钟从输入引脚PC14输入
    SysctrlXTLAlwaysOnEn    =3u,                    ///< 使能后XTL_EN只可置位
    SysctrlClkFuncRTCLpmEn  =4u,                    ///< 使能RTC低功耗模式
    SysctrlCMLockUpEn       =5u,                    ///< 使能后CPU执行无效指令会复位MCU
    SysctrlSWDUseIOEn       =6u,                    ///< SWD端口设为IO功能
}en_sysctrl_func_t;

/**
 *******************************************************************************
 ** \brief 外设时钟门控开关类型枚举
 ******************************************************************************/
typedef enum en_sysctrl_peripheral_gate
{
    SysctrlPeripheralUart0      = 0u,       ///< 串口0
    SysctrlPeripheralUart1      = 1u,       ///< 串口1
    SysctrlPeripheralLpUart0    = 2u,       ///< 低功耗串口0
    SysctrlPeripheralLpUart1    = 3u,       ///< 低功耗串口1
    SysctrlPeripheralI2c0       = 4u,       ///< I2C0
    SysctrlPeripheralI2c1       = 5u,       ///< I2C1
    SysctrlPeripheralSpi0       = 6u,       ///< SPI0
    SysctrlPeripheralSpi1       = 7u,       ///< SPI1
    SysctrlPeripheralBTim       = 8u,       ///< 基础定时器
    SysctrlPeripheralLpTim      = 9u,       ///< 低功耗定时器
    SysctrlPeripheralAdvTim     = 10u,      ///< 高级定时器
    SysctrlPeripheralTim3       = 11u,      ///< 定时器3
    SysctrlPeripheralOpa        = 13u,      ///< OPA
    SysctrlPeripheralPca        = 14u,      ///< 可编程计数阵列
    SysctrlPeripheralWdt        = 15u,      ///< 看门狗
    SysctrlPeripheralAdcBgr     = 16u,      ///< ADC&BGR
    SysctrlPeripheralVcLvd      = 17u,      ///< 电压比较和低电压检测
    SysctrlPeripheralRng        = 18u,      ///< RNG
    SysctrlPeripheralPcnt       = 19u,      ///< PCNT
    SysctrlPeripheralRtc        = 20u,      ///< RTC
    SysctrlPeripheralTrim       = 21u,      ///< 时钟校准
    SysctrlPeripheralLcd        = 22u,      ///< LCD
    SysctrlPeripheralTick       = 24u,      ///< 系统定时器
    SysctrlPeripheralSwd        = 25u,      ///< SWD
    SysctrlPeripheralCrc        = 26u,      ///< CRC
    SysctrlPeripheralAes        = 27u,      ///< AES
    SysctrlPeripheralGpio       = 28u,      ///< GPIO
    SysctrlPeripheralDma        = 29u,      ///< DMA
    SysctrlPeripheralDiv        = 30u,      ///< 除法器
    SysctrlPeripheralFlash      = 31u,      ///< Flash
}en_sysctrl_peripheral_gate_t;

/**
 *******************************************************************************
 ** \brief 时钟初始化配置结构体定义
 ******************************************************************************/
typedef struct
{
    en_sysctrl_clk_source_t  enClkSrc;       ///< 时钟源选择
    en_sysctrl_hclk_div_t    enHClkDiv;      ///< HCLK分频系数
    en_sysctrl_pclk_div_t    enPClkDiv;      ///< PCLK分频系数
}stc_sysctrl_clk_config_t;

/**
 *******************************************************************************
 ** \brief 时钟初始化配置结构体定义
 ******************************************************************************/
typedef struct
{
    en_sysctrl_pll_infreq_t    enInFreq;        ///< PLL输入时钟频率范围选择
    en_sysctrl_pll_outfreq_t   enOutFreq;       ///< PLL输出时钟频率范围选择
    en_sysctrl_pll_clksource_t enPllClkSrc;     ///< PLL输入时钟源选择
    en_sysctrl_pll_mul_t       enPllMul;        ///< PLL倍频系数选择
}stc_sysctrl_pll_config_t;

/******************************************************************************
 * Global variable declarations ('extern', definition in C source)
 ******************************************************************************/

/******************************************************************************
 * Global function prototypes (definition in C source)
 ******************************************************************************/
///< 系统时钟初始化API:用于上电后,系统工作之前对主频及外设时钟进行初始化; 
///< 注意1:使用该初始化函数前需要根据系统,必须优先设置目标内部时钟源的TRIM值或外部时钟源的频率范围,
///< 注意2:XTH、XTL的频率范围设定,需要根据外部晶振决定,
///< 注意3:本驱动默认宏定义:SYSTEM_XTH=32MHz,SYSTEM_XTL=32768Hz,如使用其它外部晶振,必须修改这两个宏定义的值。
en_result_t Sysctrl_ClkInit(stc_sysctrl_clk_config_t *pstcCfg);

///< 系统时钟去初始化API:恢复为上电默认状态->PCLK=HCLK=SystemClk=RCH4MHz
en_result_t Sysctrl_ClkDeInit(void);

///< 系统时钟模块的基本功能设置
///< 注意:使能需要使用的时钟源之前,必须优先设置目标内部时钟源的TRIM值或外部时钟源的频率范围
en_result_t Sysctrl_ClkSourceEnable(en_sysctrl_clk_source_t enSource, boolean_t bFlag);

///<外部晶振驱动配置:系统初始化Sysctrl_ClkInit()之后,可根据需要配置外部晶振的驱动能力,时钟初始化Sysctrl_ClkInit()默认为最大值;
en_result_t Sysctrl_XTHDriverConfig(en_sysctrl_xtal_driver_t enDriver);
en_result_t Sysctrl_XTLDriverConfig(en_sysctrl_xtl_amp_t enAmp, en_sysctrl_xtal_driver_t enDriver);

///<时钟稳定周期设置:系统初始化Sysctrl_ClkInit()之后,可根据需要配置时钟开启后的稳定之间,默认为最大值;
en_result_t Sysctrl_SetXTHStableTime(en_sysctrl_xth_cycle_t enCycle);
en_result_t Sysctrl_SetRCLStableTime(en_sysctrl_rcl_cycle_t enCycle);
en_result_t Sysctrl_SetXTLStableTime(en_sysctrl_xtl_cycle_t enCycle);
en_result_t Sysctrl_SetPLLStableTime(en_sysctrl_pll_cycle_t enCycle);

///<系统时钟源切换并更新系统时钟:如果需要在系统时钟初始化Sysctrl_ClkInit()之后切换主频时钟源,则使用该函数;
///< 时钟切换前后,必须根据目标频率值设置Flash读等待周期,可配置插入周期为0、1、2,
///< 注意!!!:当HCLK大于24MHz时,FLASH等待周期插入必须至少为1,否则程序运行可能产生未知错误
en_result_t Sysctrl_SysClkSwitch(en_sysctrl_clk_source_t enSource);

///< 时钟源频率设定:根据系统情况,单独设置不同时钟源的频率值;
///< 时钟频率设置前,必须根据目标频率值设置Flash读等待周期,可配置插入周期为0、1、2,
///< 其中XTL的时钟由外部晶振决定,无需设置。
en_result_t Sysctrl_SetRCHTrim(en_sysctrl_rch_freq_t enRCHFreq);
en_result_t Sysctrl_SetRCLTrim(en_sysctrl_rcl_freq_t enRCLFreq);
en_result_t Sysctrl_SetXTHFreq(en_sysctrl_xth_freq_t enXTHFreq);
en_result_t Sysctrl_SetPLLFreq(stc_sysctrl_pll_config_t *pstcPLLCfg);

///< 时钟分频设置:根据系统情况,单独设置HCLK、PCLK的分配值;
en_result_t Sysctrl_SetHCLKDiv(en_sysctrl_hclk_div_t enHCLKDiv);
en_result_t Sysctrl_SetPCLKDiv(en_sysctrl_pclk_div_t enPCLKDiv);

///< 时钟频率获取:根据系统需要,获取当前HCLK及PCLK的频率值
uint32_t Sysctrl_GetHClkFreq(void);
uint32_t Sysctrl_GetPClkFreq(void);

///< 外设门控开关/状态获取:用于控制外设模块的使能,使用该模块的功能之前,必须使能该模块的门控时钟;
en_result_t Sysctrl_SetPeripheralGate(en_sysctrl_peripheral_gate_t enPeripheral, boolean_t bFlag);
boolean_t   Sysctrl_GetPeripheralGate(en_sysctrl_peripheral_gate_t enPeripheral);

///< 系统功能配置:用于设置其他系统相关特殊功能;
en_result_t Sysctrl_SetFunc(en_sysctrl_func_t enFunc, boolean_t bFlag);

///< RTC高速时钟补偿:用于设置RTC高速时钟下的频率补偿
en_result_t Sysctrl_SetRTCAdjustClkFreq(en_sysctrl_rtc_adjust_t enRtcAdj);

//@} // Sysctrl Group

#ifdef __cplusplus
#endif

#endif /* __SYSCTRL_H__ */
/*******************************************************************************
 * EOF (not truncated)
 ******************************************************************************/