1 /*
2  * Copyright (c) 2018 - 2024, Nordic Semiconductor ASA
3  * All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the copyright holder nor the names of its
18  *    contributors may be used to endorse or promote products derived from this
19  *    software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef NRF_DPPI_H__
35 #define NRF_DPPI_H__
36 
37 #include <nrfx.h>
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /*
44  * Macro for generating if statement code blocks that allow extracting
45  * the number of channels associated with the specific DPPIC instance.
46  */
47 #define NRF_INTERNAL_DPPI_CHAN_NUM_EXTRACT(chan_num, p_reg)                                       \
48     if (0) {}                                                                                     \
49     NRFX_FOREACH_PRESENT(DPPIC, NRF_INTERNAL_ELSE_IF_EXTRACT_1, (), (), chan_num, _CH_NUM, p_reg) \
50     else                                                                                          \
51     {                                                                                             \
52         chan_num = 0;                                                                             \
53     }
54 
55 /*
56  * Macro for generating if statement code blocks that allow extracting
57  * the number of groups associated with the specific DPPIC instance.
58  */
59 #define NRF_INTERNAL_DPPI_GROUP_NUM_EXTRACT(group_num, p_reg)                                         \
60     if (0) {}                                                                                         \
61     NRFX_FOREACH_PRESENT(DPPIC, NRF_INTERNAL_ELSE_IF_EXTRACT_1, (), (), group_num, _GROUP_NUM, p_reg) \
62     else                                                                                              \
63     {                                                                                                 \
64         group_num = 0;                                                                                \
65     }
66 
67 /* Symbol specifying the maximal number of channels associated with the DPPIC instances. */
68 #define NRF_DPPI_CH_NUM_MAX \
69     NRFX_MAX_N(NRFX_FOREACH_PRESENT(DPPIC, NRFX_INTERNAL_CHAN_NUM, (), (), _) 0)
70 
71 /* Symbol specifying the maximal number of groups associated with the DPPIC instances. */
72 #define NRF_DPPI_GROUP_NUM_MAX \
73     NRFX_MAX_N(NRFX_FOREACH_PRESENT(DPPIC, NRFX_INTERNAL_GROUP_NUM, (), (), _) 0)
74 
75 /**
76  * @defgroup nrf_dppi_hal DPPI Controller HAL
77  * @{
78  * @ingroup nrf_dppi
79  * @brief   Hardware access layer for managing the Distributed Programmable Peripheral
80  *          Interconnect Controller (DPPIC).
81  */
82 
83 /**
84  * @brief Macro for setting publish/subscribe register corresponding to specified event/task.
85  *
86  * @param[in] task_or_event Address of the event or task for which publish/subscribe
87  *                          register is to be set.
88  * @param[in] dppi_chan     DPPIC channel number.
89  */
90 #if !defined(NRF_DPPI_ENDPOINT_SETUP)
91 #define NRF_DPPI_ENDPOINT_SETUP(task_or_event, dppi_chan)                                        \
92         (*((volatile uint32_t *)(task_or_event + NRF_SUBSCRIBE_PUBLISH_OFFSET(task_or_event))) = \
93             ((uint32_t)dppi_chan | NRF_SUBSCRIBE_PUBLISH_ENABLE))
94 #endif
95 
96 /**
97  * @brief Macro for clearing publish/subscribe register corresponding to specified event/task.
98  *
99  * @param[in] task_or_event Address of the event or task for which publish/subscribe
100  *                          register is to be cleared.
101  */
102 #if !defined(NRF_DPPI_ENDPOINT_CLEAR)
103 #define NRF_DPPI_ENDPOINT_CLEAR(task_or_event) \
104         (*((volatile uint32_t *)(task_or_event + NRF_SUBSCRIBE_PUBLISH_OFFSET(task_or_event))) = 0)
105 #endif
106 
107 /** @brief DPPI channel groups. */
108 typedef enum
109 {
110     NRF_DPPI_CHANNEL_GROUP0 = 0, /**< Channel group 0. */
111     NRF_DPPI_CHANNEL_GROUP1 = 1, /**< Channel group 1. */
112 #if NRF_DPPI_GROUP_NUM_MAX > 2 || defined(__NRFX_DOXYGEN__)
113     NRF_DPPI_CHANNEL_GROUP2 = 2, /**< Channel group 2. */
114     NRF_DPPI_CHANNEL_GROUP3 = 3, /**< Channel group 3. */
115 #endif
116 #if NRF_DPPI_GROUP_NUM_MAX > 4 || defined(__NRFX_DOXYGEN__)
117     NRF_DPPI_CHANNEL_GROUP4 = 4, /**< Channel group 4. */
118     NRF_DPPI_CHANNEL_GROUP5 = 5  /**< Channel group 5. */
119 #endif
120 } nrf_dppi_channel_group_t;
121 
122 /** @brief DPPI tasks. */
123 typedef enum
124 {
125     NRF_DPPI_TASK_CHG0_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[0].EN),  /**< Enable channel group 0. */
126     NRF_DPPI_TASK_CHG0_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[0].DIS), /**< Disable channel group 0. */
127     NRF_DPPI_TASK_CHG1_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[1].EN),  /**< Enable channel group 1. */
128     NRF_DPPI_TASK_CHG1_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[1].DIS), /**< Disable channel group 1. */
129 #if NRF_DPPI_GROUP_NUM_MAX > 2 || defined(__NRFX_DOXYGEN__)
130     NRF_DPPI_TASK_CHG2_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[2].EN),  /**< Enable channel group 2. */
131     NRF_DPPI_TASK_CHG2_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[2].DIS), /**< Disable channel group 2. */
132     NRF_DPPI_TASK_CHG3_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[3].EN),  /**< Enable channel group 3. */
133     NRF_DPPI_TASK_CHG3_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[3].DIS), /**< Disable channel group 3. */
134 #endif
135 #if NRF_DPPI_GROUP_NUM_MAX > 4 || defined(__NRFX_DOXYGEN__)
136     NRF_DPPI_TASK_CHG4_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[4].EN),  /**< Enable channel group 4. */
137     NRF_DPPI_TASK_CHG4_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[4].DIS), /**< Disable channel group 4. */
138     NRF_DPPI_TASK_CHG5_EN  = offsetof(NRF_DPPIC_Type, TASKS_CHG[5].EN),  /**< Enable channel group 5. */
139     NRF_DPPI_TASK_CHG5_DIS = offsetof(NRF_DPPIC_Type, TASKS_CHG[5].DIS)  /**< Disable channel group 5. */
140 #endif
141 } nrf_dppi_task_t;
142 
143 /**
144  * @brief Function for getting the total number of available channels for the given DPPIC instance.
145  *
146  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
147  *
148  * @return Number of available channels.
149  */
150 NRF_STATIC_INLINE uint8_t nrf_dppi_channel_number_get(NRF_DPPIC_Type const * p_reg);
151 
152 /**
153  * @brief Function for getting the total number of available groups for the given DPPIC instance.
154  *
155  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
156  *
157  * @return Number of available groups.
158  */
159 NRF_STATIC_INLINE uint8_t nrf_dppi_group_number_get(NRF_DPPIC_Type const * p_reg);
160 
161 /**
162  * @brief Function for activating a DPPI task.
163  *
164  * @param[in] p_reg     Pointer to the structure of registers of the peripheral.
165  * @param[in] dppi_task Task to be activated.
166  */
167 NRF_STATIC_INLINE void nrf_dppi_task_trigger(NRF_DPPIC_Type * p_reg, nrf_dppi_task_t dppi_task);
168 
169 /**
170  * @brief Function for getting the address of the specified DPPI task register.
171  *
172  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
173  * @param[in] task  Requested task.
174  *
175  * @return Address of the specified task register.
176  */
177 NRF_STATIC_INLINE uint32_t nrf_dppi_task_address_get(NRF_DPPIC_Type const * p_reg,
178                                                      nrf_dppi_task_t        task);
179 
180 /**
181  * @brief Function for checking the state of a specific DPPI channel.
182  *
183  * @param[in] p_reg   Pointer to the structure of registers of the peripheral.
184  * @param[in] channel Channel to be checked.
185  *
186  * @retval true  The channel is enabled.
187  * @retval false The channel is not enabled.
188  */
189 NRF_STATIC_INLINE bool nrf_dppi_channel_check(NRF_DPPIC_Type const * p_reg, uint8_t channel);
190 
191 /**
192  * @brief Function for enabling multiple DPPI channels.
193  *
194  * The bits in @c mask value correspond to particular channels. It means that
195  * writing 1 to bit 0 enables channel 0, writing 1 to bit 1 enables channel 1 etc.
196  *
197  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
198  * @param[in] mask  Channel mask.
199  */
200 NRF_STATIC_INLINE void nrf_dppi_channels_enable(NRF_DPPIC_Type * p_reg, uint32_t mask);
201 
202 /**
203  * @brief Function for disabling multiple DPPI channels.
204  *
205  * The bits in @c mask value correspond to particular channels. It means that
206  * writing 1 to bit 0 disables channel 0, writing 1 to bit 1 disables channel 1 etc.
207  *
208  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
209  * @param[in] mask  Channel mask.
210  */
211 NRF_STATIC_INLINE void nrf_dppi_channels_disable(NRF_DPPIC_Type * p_reg, uint32_t mask);
212 
213 /**
214  * @brief Function for disabling all DPPI channels.
215  *
216  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
217  */
218 NRF_STATIC_INLINE void nrf_dppi_channels_disable_all(NRF_DPPIC_Type * p_reg);
219 
220 /**
221  * @brief Function for setting the subscribe configuration for a given
222  *        DPPI task.
223  *
224  * @warning After setting the subscription for a given task, channel group configuration
225  *          associated with this task cannot be modified until @ref nrf_dppi_subscribe_clear is used.
226  *
227  * @param[in] p_reg   Pointer to the structure of registers of the peripheral.
228  * @param[in] task    Task for which to set the configuration.
229  * @param[in] channel Channel through which to subscribe events.
230  */
231 NRF_STATIC_INLINE void nrf_dppi_subscribe_set(NRF_DPPIC_Type * p_reg,
232                                               nrf_dppi_task_t  task,
233                                               uint8_t          channel);
234 
235 /**
236  * @brief Function for clearing the subscribe configuration for a given
237  *        DPPI task.
238  *
239  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
240  * @param[in] task  Task for which to clear the configuration.
241  */
242 NRF_STATIC_INLINE void nrf_dppi_subscribe_clear(NRF_DPPIC_Type * p_reg, nrf_dppi_task_t task);
243 
244 /**
245  * @brief Function for setting multiple DPPI channels in a channel group.
246  *
247  * @details This function assigns all specified channels to the group.
248  * The bits in @p channel_mask value correspond to particular channels. It means that
249  * writing 1 to bit 0 includes channel 0, writing 1 to bit 1 includes channel 1, and so on.
250  *
251  * @warning All channels included previously will be overwritten.
252  *
253  * @warning Channel group configuration can be modified only if subscriptions for tasks
254  *          associated with this group are disabled.
255  *
256  * @param[in] p_reg         Pointer to the structure of registers of the peripheral.
257  * @param[in] channel_mask  Channels to be assigned in the group.
258  * @param[in] channel_group Channel group.
259  */
260 NRF_STATIC_INLINE void nrf_dppi_channels_group_set(NRF_DPPIC_Type *         p_reg,
261                                                    uint32_t                 channel_mask,
262                                                    nrf_dppi_channel_group_t channel_group);
263 
264 /**
265  * @brief Function for including multiple DPPI channels in a channel group.
266  *
267  * @details This function adds all specified channels to the group.
268  * The bits in @p channel_mask value correspond to particular channels. It means that
269  * writing 1 to bit 0 includes channel 0, writing 1 to bit 1 includes channel 1 etc.
270  *
271  * @warning Channel group configuration can be modified only if subscriptions for tasks
272  *          associated with this group are disabled.
273  *
274  * @param[in] p_reg         Pointer to the structure of registers of the peripheral.
275  * @param[in] channel_mask  Channels to be included in the group.
276  * @param[in] channel_group Channel group.
277  */
278 NRF_STATIC_INLINE void nrf_dppi_channels_include_in_group(NRF_DPPIC_Type *         p_reg,
279                                                           uint32_t                 channel_mask,
280                                                           nrf_dppi_channel_group_t channel_group);
281 
282 /**
283  * @brief Function for removing multiple DPPI channels from a channel group.
284  *
285  * @details This function removes all specified channels from the group.
286  * The bits in @c channel_mask value correspond to particular channels. It means that
287  * writing 1 to bit 0 removes channel 0, writing 1 to bit 1 removes channel 1 etc.
288  *
289  * @warning Channel group configuration can be modified only if subscriptions for tasks
290  *          associated with this group are disabled.
291  *
292  * @param[in] p_reg         Pointer to the structure of registers of the peripheral.
293  * @param[in] channel_mask  Channels to be removed from the group.
294  * @param[in] channel_group Channel group.
295  */
296 NRF_STATIC_INLINE void nrf_dppi_channels_remove_from_group(NRF_DPPIC_Type *         p_reg,
297                                                            uint32_t                 channel_mask,
298                                                            nrf_dppi_channel_group_t channel_group);
299 
300 /**
301  * @brief Function for removing all DPPI channels from a channel group.
302  *
303  * @warning Channel group configuration can be modified only if subscriptions for tasks
304  *          associated with this group are disabled.
305  *
306  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
307  * @param[in] group Channel group.
308  */
309 NRF_STATIC_INLINE void nrf_dppi_group_clear(NRF_DPPIC_Type *         p_reg,
310                                             nrf_dppi_channel_group_t group);
311 
312 /**
313  * @brief Function for enabling a channel group.
314  *
315  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
316  * @param[in] group Channel group.
317  */
318 NRF_STATIC_INLINE void nrf_dppi_group_enable(NRF_DPPIC_Type *         p_reg,
319                                              nrf_dppi_channel_group_t group);
320 
321 /**
322  * @brief Function for disabling a channel group.
323  *
324  * @param[in] p_reg Pointer to the structure of registers of the peripheral.
325  * @param[in] group Channel group.
326  */
327 NRF_STATIC_INLINE void nrf_dppi_group_disable(NRF_DPPIC_Type *         p_reg,
328                                               nrf_dppi_channel_group_t group);
329 
330 /**
331  * @brief Function for getting the ENABLE task associated with the specified channel group.
332  *
333  * @param[in] index Channel group index.
334  *
335  * @return Requested ENABLE task.
336  */
337 NRF_STATIC_INLINE nrf_dppi_task_t nrf_dppi_group_enable_task_get(uint8_t index);
338 
339 /**
340  * @brief Function for getting the DISABLE task associated with the specified channel group.
341  *
342  * @param[in] index Channel group index.
343  *
344  * @return Requested DISABLE task.
345  */
346 NRF_STATIC_INLINE nrf_dppi_task_t nrf_dppi_group_disable_task_get(uint8_t index);
347 
348 #ifndef NRF_DECLARE_ONLY
349 
nrf_dppi_channel_number_get(NRF_DPPIC_Type const * p_reg)350 NRF_STATIC_INLINE uint8_t nrf_dppi_channel_number_get(NRF_DPPIC_Type const * p_reg)
351 {
352     uint8_t chan_num = 0;
353     NRF_INTERNAL_DPPI_CHAN_NUM_EXTRACT(chan_num, p_reg);
354     return chan_num;
355 }
356 
nrf_dppi_group_number_get(NRF_DPPIC_Type const * p_reg)357 NRF_STATIC_INLINE uint8_t nrf_dppi_group_number_get(NRF_DPPIC_Type const * p_reg)
358 {
359     uint8_t group_num = 0;
360     NRF_INTERNAL_DPPI_GROUP_NUM_EXTRACT(group_num, p_reg);
361     return group_num;
362 }
363 
nrf_dppi_task_trigger(NRF_DPPIC_Type * p_reg,nrf_dppi_task_t dppi_task)364 NRF_STATIC_INLINE void nrf_dppi_task_trigger(NRF_DPPIC_Type * p_reg, nrf_dppi_task_t dppi_task)
365 {
366     *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) dppi_task)) = 1;
367 }
368 
nrf_dppi_task_address_get(NRF_DPPIC_Type const * p_reg,nrf_dppi_task_t task)369 NRF_STATIC_INLINE uint32_t nrf_dppi_task_address_get(NRF_DPPIC_Type const * p_reg,
370                                                      nrf_dppi_task_t        task)
371 {
372     return nrf_task_event_address_get(p_reg, task);
373 }
374 
nrf_dppi_channel_check(NRF_DPPIC_Type const * p_reg,uint8_t channel)375 NRF_STATIC_INLINE bool nrf_dppi_channel_check(NRF_DPPIC_Type const * p_reg, uint8_t channel)
376 {
377     NRFX_ASSERT(channel < nrf_dppi_channel_number_get(p_reg));
378     return ((p_reg->CHEN & (DPPIC_CHEN_CH0_Enabled << (DPPIC_CHEN_CH0_Pos + channel))) != 0);
379 }
380 
nrf_dppi_channels_disable_all(NRF_DPPIC_Type * p_reg)381 NRF_STATIC_INLINE void nrf_dppi_channels_disable_all(NRF_DPPIC_Type * p_reg)
382 {
383     p_reg->CHENCLR = 0xFFFFFFFFuL;
384 }
385 
nrf_dppi_channels_enable(NRF_DPPIC_Type * p_reg,uint32_t mask)386 NRF_STATIC_INLINE void nrf_dppi_channels_enable(NRF_DPPIC_Type * p_reg, uint32_t mask)
387 {
388     p_reg->CHENSET = mask;
389 }
390 
nrf_dppi_channels_disable(NRF_DPPIC_Type * p_reg,uint32_t mask)391 NRF_STATIC_INLINE void nrf_dppi_channels_disable(NRF_DPPIC_Type * p_reg, uint32_t mask)
392 {
393     p_reg->CHENCLR = mask;
394 }
395 
nrf_dppi_subscribe_set(NRF_DPPIC_Type * p_reg,nrf_dppi_task_t task,uint8_t channel)396 NRF_STATIC_INLINE void nrf_dppi_subscribe_set(NRF_DPPIC_Type * p_reg,
397                                               nrf_dppi_task_t  task,
398                                               uint8_t          channel)
399 {
400     NRFX_ASSERT(channel < nrf_dppi_channel_number_get(p_reg));
401     *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) =
402             ((uint32_t)channel | NRF_SUBSCRIBE_PUBLISH_ENABLE);
403 }
404 
nrf_dppi_subscribe_clear(NRF_DPPIC_Type * p_reg,nrf_dppi_task_t task)405 NRF_STATIC_INLINE void nrf_dppi_subscribe_clear(NRF_DPPIC_Type * p_reg, nrf_dppi_task_t task)
406 {
407     *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) = 0;
408 }
409 
nrf_dppi_channels_group_set(NRF_DPPIC_Type * p_reg,uint32_t channel_mask,nrf_dppi_channel_group_t channel_group)410 NRF_STATIC_INLINE void nrf_dppi_channels_group_set(NRF_DPPIC_Type *         p_reg,
411                                                    uint32_t                 channel_mask,
412                                                    nrf_dppi_channel_group_t channel_group)
413 {
414     p_reg->CHG[(uint32_t) channel_group] = channel_mask;
415 }
416 
nrf_dppi_channels_include_in_group(NRF_DPPIC_Type * p_reg,uint32_t channel_mask,nrf_dppi_channel_group_t channel_group)417 NRF_STATIC_INLINE void nrf_dppi_channels_include_in_group(NRF_DPPIC_Type *         p_reg,
418                                                           uint32_t                 channel_mask,
419                                                           nrf_dppi_channel_group_t channel_group)
420 {
421     p_reg->CHG[(uint32_t) channel_group] =
422         p_reg->CHG[(uint32_t) channel_group] | (channel_mask);
423 }
424 
nrf_dppi_channels_remove_from_group(NRF_DPPIC_Type * p_reg,uint32_t channel_mask,nrf_dppi_channel_group_t channel_group)425 NRF_STATIC_INLINE void nrf_dppi_channels_remove_from_group(NRF_DPPIC_Type *         p_reg,
426                                                            uint32_t                 channel_mask,
427                                                            nrf_dppi_channel_group_t channel_group)
428 {
429     p_reg->CHG[(uint32_t) channel_group] =
430         p_reg->CHG[(uint32_t) channel_group] & ~(channel_mask);
431 }
432 
nrf_dppi_group_clear(NRF_DPPIC_Type * p_reg,nrf_dppi_channel_group_t group)433 NRF_STATIC_INLINE void nrf_dppi_group_clear(NRF_DPPIC_Type *         p_reg,
434                                             nrf_dppi_channel_group_t group)
435 {
436     p_reg->CHG[(uint32_t) group] = 0;
437 }
438 
nrf_dppi_group_enable(NRF_DPPIC_Type * p_reg,nrf_dppi_channel_group_t group)439 NRF_STATIC_INLINE void nrf_dppi_group_enable(NRF_DPPIC_Type * p_reg, nrf_dppi_channel_group_t group)
440 {
441     p_reg->TASKS_CHG[(uint32_t) group].EN = 1;
442 }
443 
nrf_dppi_group_disable(NRF_DPPIC_Type * p_reg,nrf_dppi_channel_group_t group)444 NRF_STATIC_INLINE void nrf_dppi_group_disable(NRF_DPPIC_Type *         p_reg,
445                                               nrf_dppi_channel_group_t group)
446 {
447     p_reg->TASKS_CHG[(uint32_t) group].DIS = 1;
448 }
449 
nrf_dppi_group_enable_task_get(uint8_t index)450 NRF_STATIC_INLINE nrf_dppi_task_t nrf_dppi_group_enable_task_get(uint8_t index)
451 {
452     return (nrf_dppi_task_t)NRFX_OFFSETOF(NRF_DPPIC_Type, TASKS_CHG[index].EN);
453 }
454 
nrf_dppi_group_disable_task_get(uint8_t index)455 NRF_STATIC_INLINE nrf_dppi_task_t nrf_dppi_group_disable_task_get(uint8_t index)
456 {
457     return (nrf_dppi_task_t)NRFX_OFFSETOF(NRF_DPPIC_Type, TASKS_CHG[index].DIS);
458 }
459 
460 #endif // NRF_DECLARE_ONLY
461 
462 /** @} */
463 
464 #ifdef __cplusplus
465 }
466 #endif
467 
468 #endif // NRF_DPPIC_H__
469