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
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
|
/******************************************************************************
*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.c
**
** Common API of sysctrl.
** @link SysctrlGroup Some description @endlink
**
** - 2018-04-22 Lux
**
******************************************************************************/
/*******************************************************************************
* Include files
******************************************************************************/
#include "sysctrl.h"
/**
*******************************************************************************
** \addtogroup SysctrlGroup
******************************************************************************/
//@{
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define CLK_TIMEOUT (1000000u)
#define IS_VALID_SRC(x) ( ClkRCH == (x)||\
ClkXTH == (x)||\
ClkRCL == (x)||\
ClkXTL == (x) )
#define IS_VALID_FUNC(x) ( ClkFuncWkupRCH == (x)||\
ClkFuncXTHEn == (x)||\
ClkFuncXTLEn == (x)||\
ClkFuncXTLAWSON == (x)||\
ClkFuncFaultEn == (x)||\
ClkFuncRtcLPWEn == (x)||\
ClkFuncLockUpEn == (x)||\
ClkFuncRstPinIOEn == (x)||\
ClkFuncSwdPinIOEn == (x) )
#define RCH_CR_TRIM_24M_VAL (*((volatile uint16_t*) (0x00100C00ul)))
#define RCH_CR_TRIM_22_12M_VAL (*((volatile uint16_t*) (0x00100C02ul)))
#define RCH_CR_TRIM_16M_VAL (*((volatile uint16_t*) (0x00100C04ul)))
#define RCH_CR_TRIM_8M_VAL (*((volatile uint16_t*) (0x00100C06ul)))
#define RCH_CR_TRIM_4M_VAL (*((volatile uint16_t*) (0x00100C08ul)))
#define RCL_CR_TRIM_38400_VAL (*((volatile uint16_t*) (0x00100C20ul)))
#define RCL_CR_TRIM_32768_VAL (*((volatile uint16_t*) (0x00100C22ul)))
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
extern uint32_t SystemCoreClock;
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
*******************************************************************************
** \brief SYSCTRL0\SYSCTRL1寄存器操作解锁
**
** \retval None
******************************************************************************/
static void _SysctrlUnlock(void)
{
M0P_SYSCTRL->SYSCTRL2 = 0x5A5A;
M0P_SYSCTRL->SYSCTRL2 = 0xA5A5;
}
/**
*******************************************************************************
** \brief 系统时钟源使能
** \param [in] enSource 目标时钟源
** \param [in] bFlag 使能1-开/0-关
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_ClkSourceEnable(en_sysctrl_clk_source_t enSource, boolean_t bFlag)
{
en_result_t enRet = Ok;
_SysctrlUnlock();
bFlag = !!bFlag;
switch (enSource)
{
case SysctrlClkRCH:
M0P_SYSCTRL->SYSCTRL0_f.RCH_EN = bFlag;
while(bFlag && (1 != M0P_SYSCTRL->RCH_CR_f.STABLE))
{
;
}
break;
case SysctrlClkXTH:
M0P_GPIO->PDADS_f.PD00 = 1;
M0P_GPIO->PDADS_f.PD01 = 1;
M0P_SYSCTRL->SYSCTRL0_f.XTH_EN = bFlag;
while(bFlag && (1 != M0P_SYSCTRL->XTH_CR_f.STABLE))
{
;
}
break;
case SysctrlClkRCL:
M0P_SYSCTRL->SYSCTRL0_f.RCL_EN = bFlag;
while(bFlag && (1 != M0P_SYSCTRL->RCL_CR_f.STABLE))
{
;
}
break;
case SysctrlClkXTL:
M0P_GPIO->PCADS_f.PC14 = 1;
M0P_GPIO->PCADS_f.PC15 = 1;
M0P_SYSCTRL->SYSCTRL0_f.XTL_EN = bFlag;
while(bFlag && (1 != M0P_SYSCTRL->XTL_CR_f.STABLE))
{
;
}
break;
case SysctrlClkPLL:
M0P_SYSCTRL->SYSCTRL0_f.PLL_EN = bFlag;
while(bFlag && (1 != M0P_SYSCTRL->PLL_CR_f.STABLE))
{
;
}
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief 外部高速晶振驱动配置
** \param [in] enFreq 外部高速晶振频率范围选择
** \param [in] enDriver 外部高速晶振驱动能力选择
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_XTHDriverConfig(en_sysctrl_xtal_driver_t enDriver)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->XTH_CR_f.DRIVER = enDriver;
return enRet;
}
/**
*******************************************************************************
** \brief 外部低速晶振驱动配置
** \param [in] enFreq 外部低速晶振频率范围选择
** \param [in] enDriver 外部低速晶振驱动能力选择
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_XTLDriverConfig(en_sysctrl_xtl_amp_t enAmp, en_sysctrl_xtal_driver_t enDriver)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->XTL_CR_f.AMP_SEL = enAmp;
M0P_SYSCTRL->XTL_CR_f.DRIVER = enDriver;
return enRet;
}
/**
*******************************************************************************
** \brief 外部高速时钟稳定周期配置
** \param [in] enCycle 外部高速时钟稳定周期设置
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetXTHStableTime(en_sysctrl_xth_cycle_t enCycle)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->XTH_CR_f.STARTUP = enCycle;
return enRet;
}
/**
*******************************************************************************
** \brief 内部低速时钟稳定周期配置
** \param [in] enCycle 内部低速时钟稳定周期设置
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetRCLStableTime(en_sysctrl_rcl_cycle_t enCycle)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->RCL_CR_f.STARTUP = enCycle;
return enRet;
}
/**
*******************************************************************************
** \brief 外部低速时钟稳定周期配置
** \param [in] enCycle 外部低速时钟稳定周期设置
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetXTLStableTime(en_sysctrl_xtl_cycle_t enCycle)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->XTL_CR_f.STARTUP = enCycle;
return enRet;
}
/**
*******************************************************************************
** \brief PLL稳定周期配置
** \param [in] enCycle PLL稳定周期设置
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetPLLStableTime(en_sysctrl_pll_cycle_t enCycle)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->PLL_CR_f.STARTUP = enCycle;
return enRet;
}
/**
*******************************************************************************
** \brief 时钟源切换,该函数执行后会开启新时钟源
** \note 选择时钟源之前,需根据需要配置目标时钟源的频率/驱动参数/使能时钟源等
** \param [in] enSource 新时钟源
**
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SysClkSwitch(en_sysctrl_clk_source_t enSource)
{
en_result_t enRet = Ok;
en_sysctrl_clk_source_t ClkNew = enSource;
_SysctrlUnlock();
M0P_SYSCTRL->SYSCTRL0_f.CLK_SW5_SEL = ClkNew;
//更新Core时钟(HCLK)
SystemCoreClockUpdate();
return enRet;
}
/**
*******************************************************************************
** \brief 获得系统时钟(HCLK)频率值
** \retval uint32_t HCLK频率值
**
******************************************************************************/
uint32_t Sysctrl_GetHClkFreq(void)
{
uint32_t u32Val = 0;
const uint32_t u32hcr_tbl[] = { 4000000, 8000000, 16000000, 22120000, 24000000};
const uint16_t u32lcr_tbl[] = { 32768, 38400};
en_sysctrl_clk_source_t enSrc;
uint16_t u16Trim[5] = {0};
u16Trim[4] = RCH_CR_TRIM_24M_VAL;
u16Trim[3] = RCH_CR_TRIM_22_12M_VAL;
u16Trim[2] = RCH_CR_TRIM_16M_VAL;
u16Trim[1] = RCH_CR_TRIM_8M_VAL;
u16Trim[0] = RCL_CR_TRIM_38400_VAL;
//获取当前系统时钟
enSrc = (en_sysctrl_clk_source_t)(M0P_SYSCTRL->SYSCTRL0_f.CLK_SW5_SEL);
switch (enSrc)
{
case SysctrlClkRCH:
{
if((M0P_SYSCTRL->RCH_CR_f.TRIM) == (u16Trim[4]))
{
u32Val = u32hcr_tbl[4];
}
else if((M0P_SYSCTRL->RCH_CR_f.TRIM) == (u16Trim[3]))
{
u32Val = u32hcr_tbl[3];
}
else if((M0P_SYSCTRL->RCH_CR_f.TRIM) == (u16Trim[2]))
{
u32Val = u32hcr_tbl[2];
}
else if((M0P_SYSCTRL->RCH_CR_f.TRIM) == (u16Trim[1]))
{
u32Val = u32hcr_tbl[1];
}
else
{
u32Val = u32hcr_tbl[0];
}
}
break;
case SysctrlClkXTH:
u32Val = SYSTEM_XTH;
break;
case SysctrlClkRCL:
{
if(u16Trim[0] == (M0P_SYSCTRL->RCL_CR_f.TRIM))
{
u32Val = u32lcr_tbl[1];
}
else
{
u32Val = u32lcr_tbl[0];
}
}
break;
case SysctrlClkXTL:
u32Val = SYSTEM_XTL;
break;
case SysctrlClkPLL:
{
if (SysctrlPllRch == M0P_SYSCTRL->PLL_CR_f.REFSEL)
{
if(u16Trim[4] == M0P_SYSCTRL->RCH_CR_f.TRIM)
{
u32Val = u32hcr_tbl[4];
}
else if(u16Trim[3] == M0P_SYSCTRL->RCH_CR_f.TRIM)
{
u32Val = u32hcr_tbl[3];
}
else if(u16Trim[2] == M0P_SYSCTRL->RCH_CR_f.TRIM)
{
u32Val = u32hcr_tbl[2];
}
else if(u16Trim[1] == M0P_SYSCTRL->RCH_CR_f.TRIM)
{
u32Val = u32hcr_tbl[1];
}
else
{
u32Val = u32hcr_tbl[0];
}
}
else
{
u32Val = SYSTEM_XTH;
}
u32Val = (u32Val * M0P_SYSCTRL->PLL_CR_f.DIVN);
}
break;
default:
u32Val = 0u;
break;
}
u32Val = (u32Val >> M0P_SYSCTRL->SYSCTRL0_f.HCLK_PRS);
return u32Val;
}
/**
*******************************************************************************
** \brief 获得外设时钟(PCLK)频率值
** \retval uint32_t PCLK频率值(Hz)
**
******************************************************************************/
uint32_t Sysctrl_GetPClkFreq(void)
{
uint32_t u32Val = 0;
u32Val = Sysctrl_GetHClkFreq();
u32Val = (u32Val >> (M0P_SYSCTRL->SYSCTRL0_f.PCLK_PRS));
return u32Val;
}
/**
*******************************************************************************
** \brief 时钟初始化函数
** \param [in] pstcCfg 初始化配置参数
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_ClkInit(stc_sysctrl_clk_config_t *pstcCfg)
{
en_result_t enRet = Ok;
//系统时钟参数配置
switch(pstcCfg->enClkSrc)
{
case SysctrlClkRCH:
break;
case SysctrlClkXTH:
Sysctrl_XTHDriverConfig(SysctrlXtalDriver3);
Sysctrl_SetXTHStableTime(SysctrlXthStableCycle16384);
break;
case SysctrlClkRCL:
Sysctrl_SetRCLStableTime(SysctrlRclStableCycle256);
break;
case SysctrlClkXTL:
Sysctrl_XTLDriverConfig(SysctrlXtlAmp3, SysctrlXtalDriver3);
Sysctrl_SetXTLStableTime(SysctrlXtlStableCycle16384);
break;
case SysctrlClkPLL:
Sysctrl_SetPLLStableTime(SysctrlPllStableCycle16384);
break;
default:
enRet = ErrorInvalidParameter;
break;
}
//时钟源使能
Sysctrl_ClkSourceEnable(pstcCfg->enClkSrc, TRUE);
//时钟源切换
Sysctrl_SysClkSwitch(pstcCfg->enClkSrc);
//时钟分频设置
Sysctrl_SetHCLKDiv(pstcCfg->enHClkDiv);
Sysctrl_SetPCLKDiv(pstcCfg->enPClkDiv);
return enRet;
}
/**
*******************************************************************************
** \brief 时钟去初始化函数
** \param [in]
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_ClkDeInit(void)
{
en_result_t enRet = Ok;
//配置RCH为内部4Hz
Sysctrl_SetRCHTrim(SysctrlRchFreq4MHz);
//时钟源使能
Sysctrl_ClkSourceEnable(SysctrlClkRCH, TRUE);
//时钟源切换
Sysctrl_SysClkSwitch(SysctrlClkRCH);
//其它时钟源使能关闭
Sysctrl_ClkSourceEnable(SysctrlClkXTH, FALSE);
Sysctrl_ClkSourceEnable(SysctrlClkRCL, FALSE);
Sysctrl_ClkSourceEnable(SysctrlClkXTL, FALSE);
Sysctrl_ClkSourceEnable(SysctrlClkPLL, FALSE);
//时钟分频设置
Sysctrl_SetHCLKDiv(SysctrlHclkDiv1);
Sysctrl_SetPCLKDiv(SysctrlPclkDiv1);
return enRet;
}
/**
*******************************************************************************
** \brief 内部高速时钟频率TRIM值加载
** \param [in] enRCHFreq 设定的RCH目标频率值
** \retval Ok 设定成功
** 其他 设定失败或时钟未稳定
******************************************************************************/
en_result_t Sysctrl_SetRCHTrim(en_sysctrl_rch_freq_t enRCHFreq)
{
en_result_t enRet = Ok;
//加载RCH Trim值
switch (enRCHFreq)
{
case SysctrlRchFreq4MHz:
M0P_SYSCTRL->RCH_CR_f.TRIM = RCH_CR_TRIM_4M_VAL;
break;
case SysctrlRchFreq8MHz:
M0P_SYSCTRL->RCH_CR_f.TRIM = RCH_CR_TRIM_8M_VAL;
break;
case SysctrlRchFreq16MHz:
M0P_SYSCTRL->RCH_CR_f.TRIM = RCH_CR_TRIM_16M_VAL;
break;
case SysctrlRchFreq22_12MHz:
M0P_SYSCTRL->RCH_CR_f.TRIM = RCH_CR_TRIM_22_12M_VAL;
break;
case SysctrlRchFreq24MHz:
M0P_SYSCTRL->RCH_CR_f.TRIM = RCH_CR_TRIM_24M_VAL;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief 外部高速时钟频率范围设定
** \param [in] enXTHFreq 设定的频率值
** \retval Ok 设定成功
** 其他 设定失败或时钟未稳定
******************************************************************************/
en_result_t Sysctrl_SetXTHFreq(en_sysctrl_xth_freq_t enXTHFreq)
{
en_result_t enRet = Ok;
M0P_SYSCTRL->XTH_CR_f.XTH_FSEL = enXTHFreq;
return enRet;
}
/**
*******************************************************************************
** \brief PLL时钟配置
** \param [in] pstcPLLCfg PLL配置结构体指针
** \retval Ok 设定成功
** 其他 设定失败或参数值不匹配
******************************************************************************/
en_result_t Sysctrl_SetPLLFreq(stc_sysctrl_pll_config_t *pstcPLLCfg)
{
en_result_t enRet = Ok;
uint16_t u16Trim[5] = {0};
u16Trim[4] = RCH_CR_TRIM_24M_VAL;
u16Trim[3] = RCH_CR_TRIM_22_12M_VAL;
u16Trim[2] = RCH_CR_TRIM_16M_VAL;
u16Trim[1] = RCH_CR_TRIM_8M_VAL;
////PLL最高时钟不能超过48MHz
//RCH作为PLL输入
if (SysctrlPllRch == pstcPLLCfg->enPllClkSrc)
{
if( ((u16Trim[4] == M0P_SYSCTRL->RCH_CR_f.TRIM) && (pstcPLLCfg->enPllMul > 2)) ||
((u16Trim[3] == M0P_SYSCTRL->RCH_CR_f.TRIM) && (pstcPLLCfg->enPllMul > 2)) ||
((u16Trim[2] == M0P_SYSCTRL->RCH_CR_f.TRIM) && (pstcPLLCfg->enPllMul > 3)) ||
((u16Trim[1] == M0P_SYSCTRL->RCH_CR_f.TRIM) && (pstcPLLCfg->enPllMul > 6)))
{
return ErrorInvalidMode;
}
}
else //XTH作为PLL输入
{
if ((SYSTEM_XTH * pstcPLLCfg->enPllMul) > 48*1000*1000)
{
return ErrorInvalidMode;
}
}
M0P_SYSCTRL->PLL_CR_f.FRSEL = pstcPLLCfg->enInFreq;
M0P_SYSCTRL->PLL_CR_f.FOSC = pstcPLLCfg->enOutFreq;
M0P_SYSCTRL->PLL_CR_f.DIVN = pstcPLLCfg->enPllMul;
M0P_SYSCTRL->PLL_CR_f.REFSEL = pstcPLLCfg->enPllClkSrc;
return enRet;
}
/**
*******************************************************************************
** \brief 内部低速时钟频率TRIM值加载
** \param [in] enRCLFreq 设定的RCL目标频率值
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetRCLTrim(en_sysctrl_rcl_freq_t enRCLFreq)
{
en_result_t enRet = Ok;
switch (enRCLFreq)
{
case SysctrlRclFreq32768:
M0P_SYSCTRL->RCL_CR_f.TRIM = RCL_CR_TRIM_32768_VAL;
break;
case SysctrlRclFreq38400:
M0P_SYSCTRL->RCL_CR_f.TRIM = RCL_CR_TRIM_38400_VAL;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief 系统时钟(HCLK)分频设定
** \param [in] enHCLKDiv 分频设定值
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetHCLKDiv(en_sysctrl_hclk_div_t enHCLKDiv)
{
en_result_t enRet = Ok;
_SysctrlUnlock();
M0P_SYSCTRL->SYSCTRL0_f.HCLK_PRS = enHCLKDiv;
return enRet;
}
/**
*******************************************************************************
** \brief 外设时钟(PCLK)分频设定
** \param [in] enPCLKDiv 分频设定值
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetPCLKDiv(en_sysctrl_pclk_div_t enPCLKDiv)
{
en_result_t enRet = Ok;
_SysctrlUnlock();
M0P_SYSCTRL->SYSCTRL0_f.PCLK_PRS = enPCLKDiv;
return enRet;
}
/**
*******************************************************************************
** \brief 设置外设时钟门控开关
** \param [in] enPeripheral 目标外设
** \param [in] bFlag 使能开关
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetPeripheralGate(en_sysctrl_peripheral_gate_t enPeripheral, boolean_t bFlag)
{
en_result_t enRet = Ok;
bFlag = !!bFlag;
setBit(&(M0P_SYSCTRL->PERI_CLKEN), enPeripheral, bFlag);
return enRet;
}
/**
*******************************************************************************
** \brief 获得外设时钟门控开关状态
** \param [in] enPeripheral 目标外设
** \retval TRUE 开
** FALSE 关
******************************************************************************/
boolean_t Sysctrl_GetPeripheralGate(en_sysctrl_peripheral_gate_t enPeripheral)
{
return getBit(&(M0P_SYSCTRL->PERI_CLKEN), enPeripheral);
}
/**
*******************************************************************************
** \brief 系统功能设定
** \param [in] enFunc 系统功能枚举类型
** \param [in] bFlag 1-开/0-关
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetFunc(en_sysctrl_func_t enFunc, boolean_t bFlag)
{
en_result_t enRet = Ok;
_SysctrlUnlock();
bFlag = !!bFlag;
switch (enFunc)
{
case SysctrlWkupByRCHEn:
M0P_SYSCTRL->SYSCTRL0_f.WAKEUP_BYRCH = bFlag;
break;
case SysctrlEXTHEn:
M0P_SYSCTRL->SYSCTRL1_f.EXTH_EN = bFlag;
break;
case SysctrlEXTLEn:
M0P_SYSCTRL->SYSCTRL1_f.EXTL_EN = bFlag;
break;
case SysctrlXTLAlwaysOnEn:
M0P_SYSCTRL->SYSCTRL1_f.XTL_ALWAYS_ON = bFlag;
break;
case SysctrlClkFuncRTCLpmEn:
M0P_SYSCTRL->SYSCTRL1_f.RTC_LPW = bFlag;
break;
case SysctrlCMLockUpEn:
M0P_SYSCTRL->SYSCTRL1_f.LOCKUP_EN = bFlag;
break;
case SysctrlSWDUseIOEn:
M0P_SYSCTRL->SYSCTRL1_f.SWD_USE_IO = bFlag;
break;
default:
enRet = ErrorInvalidParameter;
break;
}
return enRet;
}
/**
*******************************************************************************
** \brief 设定RTC校准时钟频率
** \param [in] enRtcAdj 校准频率值
** \retval Ok 设定成功
** 其他 设定失败
******************************************************************************/
en_result_t Sysctrl_SetRTCAdjustClkFreq(en_sysctrl_rtc_adjust_t enRtcAdj)
{
en_result_t enRet = Ok;
_SysctrlUnlock();
M0P_SYSCTRL->SYSCTRL1_f.RTC_FREQ_ADJUST = enRtcAdj;
return enRet;
}
//@} // SysctrlGroup
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
|