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
|
/** @file dcc.h
* @brief DCC Driver Definition File
* @date 29.May.2013
* @version 03.05.02
*
*/
/* (c) Texas Instruments 2009-2013, All rights reserved. */
#ifndef __DCC_H__
#define __DCC_H__
#include "reg_dcc.h"
/* DCC General Definitions */
/** @def dcc1CNT0_CLKSRC_HFLPO
* @brief Alias name for DCC1 Counter 0 Clock Source HFLPO
*
* This is an alias name for the Clock Source HFLPO for DCC1 Counter 0.
*
* @note This value should be used for API argument @a cnt0_Clock_Source
*/
#define dcc1CNT0_CLKSRC_HFLPO 0x00000005U
/** @def dcc1CNT0_CLKSRC_TCK
* @brief Alias name for DCC1 Counter 0 Clock Source TCK
*
* This is an alias name for the Clock Source TCK for DCC1 Counter 0.
*
* @note This value should be used for API argument @a cnt0_Clock_Source
*/
#define dcc1CNT0_CLKSRC_TCK 0x0000000AU
/** @def dcc1CNT0_CLKSRC_OSCIN
* @brief Alias name for DCC1 Counter 0 Clock Source OSCIN
*
* This is an alias name for the Clock Source OSCIN for DCC1 Counter 0.
*
* @note This value should be used for API argument @a cnt0_Clock_Source
*/
#define dcc1CNT0_CLKSRC_OSCIN 0x0000000FU
/** @def dcc1CNT1_CLKSRC_PLL1
* @brief Alias name for DCC1 Counter 1 Clock Source PLL1
*
* This is an alias name for the Clock Source PLL for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_PLL1 0x0000A0000U
/** @def dcc1CNT1_CLKSRC_PLL2
* @brief Alias name for DCC1 Counter 1 Clock Source PLL2
*
* This is an alias name for the Clock Source OSCIN for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_PLL2 0x0000A0001U
/** @def dcc1CNT1_CLKSRC_LFLPO
* @brief Alias name for DCC1 Counter 1 Clock Source LFLPO
*
* This is an alias name for the Clock Source LFLPO for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_LFLPO 0x0000A0002U
/** @def dcc1CNT1_CLKSRC_HFLPO
* @brief Alias name for DCC1 Counter 1 Clock Source HFLPO
*
* This is an alias name for the Clock Source HFLPO for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_HFLPO 0x0000A0003U
/** @def dcc1CNT1_CLKSRC_EXTCLKIN1
* @brief Alias name for DCC1 Counter 1 Clock Source EXTCLKIN1
*
* This is an alias name for the Clock Source EXTCLKIN1 for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_EXTCLKIN1 0x0000A0005U
/** @def dcc1CNT1_CLKSRC_EXTCLKIN2
* @brief Alias name for DCC1 Counter 1 Clock Source EXTCLKIN2
*
* This is an alias name for the Clock Source EXTCLKIN2 for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_EXTCLKIN2 0x0000A0006U
/** @def dcc1CNT1_CLKSRC_VCLK
* @brief Alias name for DCC1 Counter 1 Clock Source VCLK
*
* This is an alias name for the Clock Source VCLK for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_VCLK 0x0000A0008U
/** @def dcc1CNT1_CLKSRC_N2HET1_31
* @brief Alias name for DCC1 Counter 1 Clock Source N2HET1_31
*
* This is an alias name for the Clock Source N2HET1_31 for DCC1 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc1CNT1_CLKSRC_N2HET1_31 0x00005000FU
/** @def dcc2CNT0_CLKSRC_TCK
* @brief Alias name for DCC2 Counter 0 Clock Source TCK
*
* This is an alias name for the Clock Source TCK for DCC2 Counter 0.
*
* @note This value should be used for API argument @a cnt0_Clock_Source
*/
#define dcc2CNT0_CLKSRC_TCK 0x0000000AU
/** @def dcc1CNT0_CLKSRC_OSCIN
* @brief Alias name for DCC1 Counter 0 Clock Source OSCIN
*
* This is an alias name for the Clock Source OSCIN for DCC2 Counter 0.
*
* @note This value should be used for API argument @a cnt0_Clock_Source
*/
#define dcc2CNT0_CLKSRC_OSCIN 0x0000000FU
/** @def dcc2CNT1_CLKSRC_VCLK
* @brief Alias name for DCC2 Counter 1 Clock Source VCLK
*
* This is an alias name for the Clock Source VCLK for DCC2 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc2CNT1_CLKSRC_VCLK 0x0000A0008U
/** @def dcc2CNT1_CLKSRC_N2HET1_0
* @brief Alias name for DCC2 Counter 1 Clock Source N2HET2_0
*
* This is an alias name for the Clock Source N2HET2_0 for DCC2 Counter 1.
*
* @note This value should be used for API argument @a cnt1_Clock_Source
*/
#define dcc2CNT1_CLKSRC_N2HET1_0 0x00005000FU
/** @def dccNOTIFICATION_DONE
* @brief Alias name for DCC Done notification
*
* This is an alias name for the DCC Done notification.
*
* @note This value should be used for API argument @a notification
*/
#define dccNOTIFICATION_DONE 0x0000A000U
/** @def dccNOTIFICATION_ERROR
* @brief Alias name for DCC Error notification
*
* This is an alias name for the DCC Error notification.
*
* @note This value should be used for API argument @a notification
*/
#define dccNOTIFICATION_ERROR 0x000000A0U
/** @enum dcc1clocksource
* @brief Alias names for dcc clock sources
*
* This enumeration is used to provide alias names for the clock sources:
*/
enum dcc1clocksource
{
DCC1_CNT0_HF_LPO = 0x5U, /**< Alias for DCC1 CNT 0 CLOCK SOURCE 0*/
DCC1_CNT0_TCK = 0xAU, /**< Alias for DCC1 CNT 0 CLOCK SOURCE 1*/
DCC1_CNT0_OSCIN = 0xFU, /**< Alias for DCC1 CNT 0 CLOCK SOURCE 2*/
DCC1_CNT1_PLL1 = 0x0U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 0*/
DCC1_CNT1_PLL2 = 0x1U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 1*/
DCC1_CNT1_LF_LPO = 0x2U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 2*/
DCC1_CNT1_HF_LPO = 0x3U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 3*/
DCC1_CNT1_EXTCLKIN1 = 0x5U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 4*/
DCC1_CNT1_EXTCLKIN2 = 0x6U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 6*/
DCC1_CNT1_VCLK = 0x8U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 8*/
DCC1_CNT1_N2HET1_31 = 0xAU /**< Alias for DCC1 CNT 1 CLOCK SOURCE 9*/
};
/** @enum dcc2clocksource
* @brief Alias names for dcc clock sources
*
* This enumeration is used to provide alias names for the clock sources:
*/
enum dcc2clocksource
{
DCC2_CNT0_OSCIN = 0xFU, /**< Alias for DCC1 CNT 0 CLOCK SOURCE 0*/
DCC2_CNT0_TCK = 0xAU, /**< Alias for DCC1 CNT 0 CLOCK SOURCE 2*/
DCC2_CNT1_VCLK = 0x8U, /**< Alias for DCC1 CNT 1 CLOCK SOURCE 8*/
DCC2_CNT1_N2HET2_0 = 0xAU /**< Alias for DCC1 CNT 1 CLOCK SOURCE 9*/
};
/* Configuration registers */
typedef struct dcc_config_reg
{
uint32 CONFIG_GCTRL;
uint32 CONFIG_CNT0SEED;
uint32 CONFIG_VALID0SEED;
uint32 CONFIG_CNT1SEED;
uint32 CONFIG_CLKSRC1;
uint32 CONFIG_CLKSRC0;
} dcc_config_reg_t;
/* Configuration registers initial value */
#define DCC1_GCTRL_CONFIGVALUE 0xAU | (0xAU << 4U) | (0x5U << 8U) | (0xAU << 12U)
#define DCC1_CNT0SEED_CONFIGVALUE 39204U
#define DCC1_VALID0SEED_CONFIGVALUE 792U
#define DCC1_CNT1SEED_CONFIGVALUE 495000U
#define DCC1_CLKSRC1_CONFIGVALUE (10U << 12U) | DCC1_CNT1_PLL1
/*SAFETYMCUSW 79 S MR:19.4 <REVIEWED> "Macro filled using GUI parameter cannot be avoided" */
#define DCC1_CLKSRC0_CONFIGVALUE DCC1_CNT0_OSCIN
#define DCC2_GCTRL_CONFIGVALUE 0xAU | (0xAU << 4U) | (0x5U << 8U) | (0xAU << 12U)
#define DCC2_CNT0SEED_CONFIGVALUE 0U
#define DCC2_VALID0SEED_CONFIGVALUE 0U
#define DCC2_CNT1SEED_CONFIGVALUE 0U
#define DCC2_CLKSRC1_CONFIGVALUE (0x5U << 12U) | DCC2_CNT1_VCLK
/*SAFETYMCUSW 79 S MR:19.4 <REVIEWED> "Macro filled using GUI parameter cannot be avoided" */
#define DCC2_CLKSRC0_CONFIGVALUE DCC2_CNT0_OSCIN
/**
* @defgroup DCC DCC
* @brief Dual-Clock Comparator Module
*
* The primary purpose of a DCC module is to measure the frequency of a clock signal using a second
* known clock signal as a reference. This capability can be used to ensure the correct frequency range for
* several different device clock sources, thereby enhancing the system safety metrics.
*
* Related Files
* - reg_dcc.h
* - dcc.h
* - dcc.c
* @addtogroup DCC
* @{
*/
/* DCC Interface Functions */
void dccInit(void);
void dccSetCounter0Seed(dccBASE_t *dcc, uint32 cnt0seed);
void dccSetTolerance(dccBASE_t *dcc, uint32 valid0seed);
void dccSetCounter1Seed(dccBASE_t *dcc, uint32 cnt1seed);
void dccSetSeed(dccBASE_t *dcc, uint32 cnt0seed, uint32 valid0seed, uint32 cnt1seed);
void dccSelectClockSource(dccBASE_t *dcc, uint32 cnt0_Clock_Source, uint32 cnt1_Clock_Source);
void dccEnable(dccBASE_t *dcc);
void dccDisable(dccBASE_t *dcc);
uint32 dccGetErrStatus(dccBASE_t *dcc);
void dccEnableNotification(dccBASE_t *dcc, uint32 notification);
void dccDisableNotification(dccBASE_t *dcc, uint32 notification);
void dcc1GetConfigValue(dcc_config_reg_t *config_reg, config_value_type_t type);
void dcc2GetConfigValue(dcc_config_reg_t *config_reg, config_value_type_t type);
/** @fn void dccNotification(dccBASE_t *dcc,uint32 flags)
* @brief Interrupt callback
* @param[in] dcc - dcc module base address
* @param[in] flags - status flags
*
* This is a callback function provided by the application. It is call when
* a dcc is complete or detected error.
*/
void dccNotification(dccBASE_t *dcc,uint32 flags);
/**@}*/
#endif
|
