1 /* 2 * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its 16 * contributors may be used to endorse or promote products derived from this 17 * software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef NRF_CLOCK_H__ 33 #define NRF_CLOCK_H__ 34 35 #include <nrfx.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 /** 42 * @defgroup nrf_clock_hal Clock HAL 43 * @{ 44 * @ingroup nrf_clock 45 * @brief Hardware access layer for managing the CLOCK peripheral. 46 * 47 * This code can be used to managing low-frequency clock (LFCLK) and the high-frequency clock 48 * (HFCLK) settings. 49 */ 50 51 #define NRF_CLOCK_TASK_TRIGGER (1UL) 52 #define NRF_CLOCK_EVENT_CLEAR (0UL) 53 54 #if defined(NRF52810_XXAA) || \ 55 defined(NRF52832_XXAA) || defined(NRF52832_XXAB) || \ 56 defined(NRF52840_XXAA) 57 // Enable support for external LFCLK sources. Read more in the Product Specification. 58 #define NRF_CLOCK_USE_EXTERNAL_LFCLK_SOURCES 59 #endif 60 61 #if defined(CLOCK_CTIV_CTIV_Msk) || defined(__NRFX_DOXYGEN__) 62 /** 63 * @brief Presence of the Low Frequency Clock calibration. 64 * 65 * In some MCUs there is possibility to use LFCLK calibration. 66 */ 67 #define NRF_CLOCK_HAS_CALIBRATION 1 68 #else 69 #define NRF_CLOCK_HAS_CALIBRATION 0 70 #endif // defined(CLOCK_CTIV_CTIV_Msk) || defined(__NRFX_DOXYGEN__) 71 72 /** 73 * @brief Low-frequency clock sources. 74 * @details Used by LFCLKSRC, LFCLKSTAT, and LFCLKSRCCOPY registers. 75 */ 76 typedef enum 77 { 78 #if defined(CLOCK_LFCLKSRC_SRC_RC) || defined(__NRFX_DOXYGEN__) 79 NRF_CLOCK_LFCLK_RC = CLOCK_LFCLKSRC_SRC_RC, /**< Internal 32 kHz RC oscillator. */ 80 #else 81 NRF_CLOCK_LFCLK_RC = CLOCK_LFCLKSRC_SRC_LFRC, /**< Internal 32 kHz RC oscillator. */ 82 #endif 83 84 #if defined(CLOCK_LFCLKSRC_SRC_Xtal) || defined(__NRFX_DOXYGEN__) 85 NRF_CLOCK_LFCLK_Xtal = CLOCK_LFCLKSRC_SRC_Xtal, /**< External 32 kHz crystal. */ 86 #else 87 NRF_CLOCK_LFCLK_Xtal = CLOCK_LFCLKSRC_SRC_LFXO, /**< External 32 kHz crystal. */ 88 #endif 89 90 #if defined(CLOCK_LFCLKSRC_SRC_Synth) || defined(__NRFX_DOXYGEN__) 91 NRF_CLOCK_LFCLK_Synth = CLOCK_LFCLKSRC_SRC_Synth, /**< Internal 32 kHz synthesizer from HFCLK system clock. */ 92 #endif 93 #if defined(NRF_CLOCK_USE_EXTERNAL_LFCLK_SOURCES) || defined(__NRFX_DOXYGEN__) 94 /** 95 * External 32 kHz low swing signal. Used only with the LFCLKSRC register. 96 * For the others @ref NRF_CLOCK_LFCLK_Xtal is returned for this setting. 97 */ 98 NRF_CLOCK_LFCLK_Xtal_Low_Swing = (CLOCK_LFCLKSRC_SRC_Xtal | 99 (CLOCK_LFCLKSRC_EXTERNAL_Enabled << CLOCK_LFCLKSRC_EXTERNAL_Pos)), 100 /** 101 * External 32 kHz full swing signal. Used only with the LFCLKSRC register. 102 * For the others @ref NRF_CLOCK_LFCLK_Xtal is returned for this setting. 103 */ 104 NRF_CLOCK_LFCLK_Xtal_Full_Swing = (CLOCK_LFCLKSRC_SRC_Xtal | 105 (CLOCK_LFCLKSRC_BYPASS_Enabled << CLOCK_LFCLKSRC_BYPASS_Pos) | 106 (CLOCK_LFCLKSRC_EXTERNAL_Enabled << CLOCK_LFCLKSRC_EXTERNAL_Pos)), 107 #endif // defined(NRF_CLOCK_USE_EXTERNAL_LFCLK_SOURCES) || defined(__NRFX_DOXYGEN__) 108 } nrf_clock_lfclk_t; 109 110 /** 111 * @brief High-frequency clock sources. 112 */ 113 typedef enum 114 { 115 #if defined(CLOCK_HFCLKSTAT_SRC_RC) || defined(__NRFX_DOXYGEN__) 116 NRF_CLOCK_HFCLK_LOW_ACCURACY = CLOCK_HFCLKSTAT_SRC_RC, /**< Internal 16 MHz RC oscillator. */ 117 #endif 118 #if defined(CLOCK_HFCLKSTAT_SRC_Xtal) || defined(__NRFX_DOXYGEN__) 119 NRF_CLOCK_HFCLK_HIGH_ACCURACY = CLOCK_HFCLKSTAT_SRC_Xtal /**< External 16 MHz/32 MHz crystal oscillator. */ 120 #else 121 NRF_CLOCK_HFCLK_HIGH_ACCURACY = CLOCK_HFCLKSTAT_SRC_HFXO /**< External 32 MHz crystal oscillator. */ 122 #endif 123 } nrf_clock_hfclk_t; 124 125 /** 126 * @brief Trigger status of task LFCLKSTART/HFCLKSTART. 127 * @details Used by LFCLKRUN and HFCLKRUN registers. 128 */ 129 typedef enum 130 { 131 NRF_CLOCK_START_TASK_NOT_TRIGGERED = CLOCK_LFCLKRUN_STATUS_NotTriggered, /**< Task LFCLKSTART/HFCLKSTART has not been triggered. */ 132 NRF_CLOCK_START_TASK_TRIGGERED = CLOCK_LFCLKRUN_STATUS_Triggered /**< Task LFCLKSTART/HFCLKSTART has been triggered. */ 133 } nrf_clock_start_task_status_t; 134 135 /** 136 * @brief Interrupts. 137 */ 138 typedef enum 139 { 140 NRF_CLOCK_INT_HF_STARTED_MASK = CLOCK_INTENSET_HFCLKSTARTED_Msk, /**< Interrupt on HFCLKSTARTED event. */ 141 NRF_CLOCK_INT_LF_STARTED_MASK = CLOCK_INTENSET_LFCLKSTARTED_Msk, /**< Interrupt on LFCLKSTARTED event. */ 142 #if (NRF_CLOCK_HAS_CALIBRATION) || defined(__NRFX_DOXYGEN__) 143 NRF_CLOCK_INT_DONE_MASK = CLOCK_INTENSET_DONE_Msk, /**< Interrupt on DONE event. */ 144 NRF_CLOCK_INT_CTTO_MASK = CLOCK_INTENSET_CTTO_Msk /**< Interrupt on CTTO event. */ 145 #endif 146 } nrf_clock_int_mask_t; 147 148 /** 149 * @brief Tasks. 150 * 151 * @details The NRF_CLOCK_TASK_LFCLKSTOP task cannot be set when the low-frequency clock is not running. 152 * The NRF_CLOCK_TASK_HFCLKSTOP task cannot be set when the high-frequency clock is not running. 153 */ 154 typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */ 155 { 156 NRF_CLOCK_TASK_HFCLKSTART = offsetof(NRF_CLOCK_Type, TASKS_HFCLKSTART), /**< Start HFCLK clock source.*/ 157 NRF_CLOCK_TASK_HFCLKSTOP = offsetof(NRF_CLOCK_Type, TASKS_HFCLKSTOP), /**< Stop HFCLK clock source.*/ 158 NRF_CLOCK_TASK_LFCLKSTART = offsetof(NRF_CLOCK_Type, TASKS_LFCLKSTART), /**< Start LFCLK clock source.*/ 159 NRF_CLOCK_TASK_LFCLKSTOP = offsetof(NRF_CLOCK_Type, TASKS_LFCLKSTOP), /**< Stop LFCLK clock source.*/ 160 #if (NRF_CLOCK_HAS_CALIBRATION) || defined(__NRFX_DOXYGEN__) 161 NRF_CLOCK_TASK_CAL = offsetof(NRF_CLOCK_Type, TASKS_CAL), /**< Start calibration of LFCLK RC oscillator.*/ 162 NRF_CLOCK_TASK_CTSTART = offsetof(NRF_CLOCK_Type, TASKS_CTSTART), /**< Start calibration timer.*/ 163 NRF_CLOCK_TASK_CTSTOP = offsetof(NRF_CLOCK_Type, TASKS_CTSTOP) /**< Stop calibration timer.*/ 164 #endif 165 } nrf_clock_task_t; /*lint -restore */ 166 167 /** 168 * @brief Events. 169 */ 170 typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */ 171 { 172 NRF_CLOCK_EVENT_HFCLKSTARTED = offsetof(NRF_CLOCK_Type, EVENTS_HFCLKSTARTED), /**< HFCLK oscillator started.*/ 173 NRF_CLOCK_EVENT_LFCLKSTARTED = offsetof(NRF_CLOCK_Type, EVENTS_LFCLKSTARTED), /**< LFCLK oscillator started.*/ 174 #if (NRF_CLOCK_HAS_CALIBRATION) || defined(__NRFX_DOXYGEN__) 175 NRF_CLOCK_EVENT_DONE = offsetof(NRF_CLOCK_Type, EVENTS_DONE), /**< Calibration of LFCLK RC oscillator completed.*/ 176 NRF_CLOCK_EVENT_CTTO = offsetof(NRF_CLOCK_Type, EVENTS_CTTO) /**< Calibration timer time-out.*/ 177 #endif 178 } nrf_clock_event_t; /*lint -restore */ 179 180 /** 181 * @brief Function for enabling a specific interrupt. 182 * 183 * @param[in] int_mask Interrupt. 184 */ 185 __STATIC_INLINE void nrf_clock_int_enable(uint32_t int_mask); 186 187 /** 188 * @brief Function for disabling a specific interrupt. 189 * 190 * @param[in] int_mask Interrupt. 191 */ 192 __STATIC_INLINE void nrf_clock_int_disable(uint32_t int_mask); 193 194 /** 195 * @brief Function for retrieving the state of a specific interrupt. 196 * 197 * @param[in] int_mask Interrupt. 198 * 199 * @retval true If the interrupt is enabled. 200 * @retval false If the interrupt is not enabled. 201 */ 202 __STATIC_INLINE bool nrf_clock_int_enable_check(nrf_clock_int_mask_t int_mask); 203 204 /** 205 * @brief Function for retrieving the address of a specific task. 206 * @details This function can be used by the PPI module. 207 * 208 * @param[in] task Task. 209 * 210 * @return Address of the requested task register. 211 */ 212 __STATIC_INLINE uint32_t nrf_clock_task_address_get(nrf_clock_task_t task); 213 214 /** 215 * @brief Function for setting a specific task. 216 * 217 * @param[in] task Task. 218 */ 219 __STATIC_INLINE void nrf_clock_task_trigger(nrf_clock_task_t task); 220 221 /** 222 * @brief Function for retrieving the address of a specific event. 223 * @details This function can be used by the PPI module. 224 * 225 * @param[in] event Event. 226 * 227 * @return Address of the requested event register. 228 */ 229 __STATIC_INLINE uint32_t nrf_clock_event_address_get(nrf_clock_event_t event); 230 231 /** 232 * @brief Function for clearing a specific event. 233 * 234 * @param[in] event Event. 235 */ 236 __STATIC_INLINE void nrf_clock_event_clear(nrf_clock_event_t event); 237 238 /** 239 * @brief Function for retrieving the state of a specific event. 240 * 241 * @param[in] event Event. 242 * 243 * @retval true If the event is set. 244 * @retval false If the event is not set. 245 */ 246 __STATIC_INLINE bool nrf_clock_event_check(nrf_clock_event_t event); 247 248 /** 249 * @brief Function for changing the low-frequency clock source. 250 * @details This function cannot be called when the low-frequency clock is running. 251 * 252 * @param[in] source New low-frequency clock source. 253 */ 254 __STATIC_INLINE void nrf_clock_lf_src_set(nrf_clock_lfclk_t source); 255 256 /** 257 * @brief Function for retrieving the selected source for the low-frequency clock. 258 * 259 * @retval NRF_CLOCK_LFCLK_RC If the internal 32 kHz RC oscillator 260 * is the selected source for the low-frequency clock. 261 * @retval NRF_CLOCK_LFCLK_Xtal If an external 32 kHz crystal oscillator 262 * is the selected source for the low-frequency clock. 263 * @retval NRF_CLOCK_LFCLK_Synth If the internal 32 kHz synthesizer from 264 * the HFCLK is the selected source for the low-frequency clock. 265 */ 266 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_src_get(void); 267 268 /** 269 * @brief Function for retrieving the active source of the low-frequency clock. 270 * 271 * @retval NRF_CLOCK_LFCLK_RC If the internal 32 kHz RC oscillator 272 * is the active source of the low-frequency clock. 273 * @retval NRF_CLOCK_LFCLK_Xtal If an external 32 kHz crystal oscillator 274 * is the active source of the low-frequency clock. 275 * @retval NRF_CLOCK_LFCLK_Synth If the internal 32 kHz synthesizer from 276 * the HFCLK is the active source of the low-frequency clock. 277 */ 278 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_actv_src_get(void); 279 280 /** 281 * @brief Function for retrieving the clock source for the LFCLK clock when 282 * the task LKCLKSTART is triggered. 283 * 284 * @retval NRF_CLOCK_LFCLK_RC If the internal 32 kHz RC oscillator 285 * is running and generating the LFCLK clock. 286 * @retval NRF_CLOCK_LFCLK_Xtal If an external 32 kHz crystal oscillator 287 * is running and generating the LFCLK clock. 288 * @retval NRF_CLOCK_LFCLK_Synth If the internal 32 kHz synthesizer from 289 * the HFCLK is running and generating the LFCLK clock. 290 */ 291 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_srccopy_get(void); 292 293 /** 294 * @brief Function for retrieving the state of the LFCLK clock. 295 * 296 * @retval false If the LFCLK clock is not running. 297 * @retval true If the LFCLK clock is running. 298 */ 299 __STATIC_INLINE bool nrf_clock_lf_is_running(void); 300 301 /** 302 * @brief Function for retrieving the trigger status of the task LFCLKSTART. 303 * 304 * @retval NRF_CLOCK_START_TASK_NOT_TRIGGERED If the task LFCLKSTART has not been triggered. 305 * @retval NRF_CLOCK_START_TASK_TRIGGERED If the task LFCLKSTART has been triggered. 306 */ 307 __STATIC_INLINE nrf_clock_start_task_status_t nrf_clock_lf_start_task_status_get(void); 308 309 /** 310 * @brief Function for retrieving the active source of the high-frequency clock. 311 * 312 * @retval NRF_CLOCK_HFCLK_LOW_ACCURACY If the internal RC oscillator is the active 313 * source of the high-frequency clock. 314 * @retval NRF_CLOCK_HFCLK_HIGH_ACCURACY If an external crystal oscillator is the active 315 * source of the high-frequency clock. 316 */ 317 __STATIC_INLINE nrf_clock_hfclk_t nrf_clock_hf_src_get(void); 318 319 /** 320 * @brief Function for retrieving the state of the HFCLK clock. 321 * 322 * @param[in] clk_src Clock source to be checked. 323 * 324 * @retval false If the HFCLK clock is not running. 325 * @retval true If the HFCLK clock is running. 326 */ 327 __STATIC_INLINE bool nrf_clock_hf_is_running(nrf_clock_hfclk_t clk_src); 328 329 /** 330 * @brief Function for retrieving the trigger status of the task HFCLKSTART. 331 * 332 * @retval NRF_CLOCK_START_TASK_NOT_TRIGGERED If the task HFCLKSTART has not been triggered. 333 * @retval NRF_CLOCK_START_TASK_TRIGGERED If the task HFCLKSTART has been triggered. 334 */ 335 __STATIC_INLINE nrf_clock_start_task_status_t nrf_clock_hf_start_task_status_get(void); 336 337 #if (NRF_CLOCK_HAS_CALIBRATION) || defined(__NRFX_DOXYGEN__) 338 /** 339 * @brief Function for changing the calibration timer interval. 340 * 341 * @param[in] interval New calibration timer interval in 0.25 s resolution 342 * (range: 0.25 seconds to 31.75 seconds). 343 */ 344 __STATIC_INLINE void nrf_clock_cal_timer_timeout_set(uint32_t interval); 345 #endif 346 347 #if defined(DPPI_PRESENT) || defined(__NRFX_DOXYGEN__) 348 /** 349 * @brief Function for setting the subscribe configuration for a given 350 * CLOCK task. 351 * 352 * @param[in] task Task for which to set the configuration. 353 * @param[in] channel Channel through which to subscribe events. 354 */ 355 __STATIC_INLINE void nrf_clock_subscribe_set(nrf_clock_task_t task, 356 uint8_t channel); 357 358 /** 359 * @brief Function for clearing the subscribe configuration for a given 360 * CLOCK task. 361 * 362 * @param[in] task Task for which to clear the configuration. 363 */ 364 __STATIC_INLINE void nrf_clock_subscribe_clear(nrf_clock_task_t task); 365 366 /** 367 * @brief Function for setting the publish configuration for a given 368 * CLOCK event. 369 * 370 * @param[in] event Event for which to set the configuration. 371 * @param[in] channel Channel through which to publish the event. 372 */ 373 __STATIC_INLINE void nrf_clock_publish_set(nrf_clock_event_t event, 374 uint8_t channel); 375 376 /** 377 * @brief Function for clearing the publish configuration for a given 378 * CLOCK event. 379 * 380 * @param[in] event Event for which to clear the configuration. 381 */ 382 __STATIC_INLINE void nrf_clock_publish_clear(nrf_clock_event_t event); 383 #endif // defined(DPPI_PRESENT) || defined(__NRFX_DOXYGEN__) 384 385 #ifndef SUPPRESS_INLINE_IMPLEMENTATION 386 387 __STATIC_INLINE void nrf_clock_int_enable(uint32_t int_mask) 388 { 389 NRF_CLOCK->INTENSET = int_mask; 390 } 391 392 __STATIC_INLINE void nrf_clock_int_disable(uint32_t int_mask) 393 { 394 NRF_CLOCK->INTENCLR = int_mask; 395 } 396 397 __STATIC_INLINE bool nrf_clock_int_enable_check(nrf_clock_int_mask_t int_mask) 398 { 399 return (bool)(NRF_CLOCK->INTENCLR & int_mask); 400 } 401 402 __STATIC_INLINE uint32_t nrf_clock_task_address_get(nrf_clock_task_t task) 403 { 404 return ((uint32_t )NRF_CLOCK + task); 405 } 406 407 __STATIC_INLINE void nrf_clock_task_trigger(nrf_clock_task_t task) 408 { 409 *((volatile uint32_t *)((uint8_t *)NRF_CLOCK + task)) = NRF_CLOCK_TASK_TRIGGER; 410 } 411 412 __STATIC_INLINE uint32_t nrf_clock_event_address_get(nrf_clock_event_t event) 413 { 414 return ((uint32_t)NRF_CLOCK + event); 415 } 416 417 __STATIC_INLINE void nrf_clock_event_clear(nrf_clock_event_t event) 418 { 419 *((volatile uint32_t *)((uint8_t *)NRF_CLOCK + event)) = NRF_CLOCK_EVENT_CLEAR; 420 #if __CORTEX_M == 0x04 421 volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)NRF_CLOCK + (uint32_t)event)); 422 (void)dummy; 423 #endif 424 } 425 426 __STATIC_INLINE bool nrf_clock_event_check(nrf_clock_event_t event) 427 { 428 return (bool)*((volatile uint32_t *)((uint8_t *)NRF_CLOCK + event)); 429 } 430 431 __STATIC_INLINE void nrf_clock_lf_src_set(nrf_clock_lfclk_t source) 432 { 433 NRF_CLOCK->LFCLKSRC = (uint32_t)(source); 434 } 435 436 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_src_get(void) 437 { 438 return (nrf_clock_lfclk_t)(NRF_CLOCK->LFCLKSRC); 439 } 440 441 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_actv_src_get(void) 442 { 443 return (nrf_clock_lfclk_t)((NRF_CLOCK->LFCLKSTAT & 444 CLOCK_LFCLKSTAT_SRC_Msk) >> CLOCK_LFCLKSTAT_SRC_Pos); 445 } 446 447 __STATIC_INLINE nrf_clock_lfclk_t nrf_clock_lf_srccopy_get(void) 448 { 449 return (nrf_clock_lfclk_t)((NRF_CLOCK->LFCLKSRCCOPY & 450 CLOCK_LFCLKSRCCOPY_SRC_Msk) >> CLOCK_LFCLKSRCCOPY_SRC_Pos); 451 } 452 453 __STATIC_INLINE bool nrf_clock_lf_is_running(void) 454 { 455 return ((NRF_CLOCK->LFCLKSTAT & 456 CLOCK_LFCLKSTAT_STATE_Msk) >> CLOCK_LFCLKSTAT_STATE_Pos); 457 } 458 459 __STATIC_INLINE nrf_clock_start_task_status_t nrf_clock_lf_start_task_status_get(void) 460 { 461 return (nrf_clock_start_task_status_t)((NRF_CLOCK->LFCLKRUN & 462 CLOCK_LFCLKRUN_STATUS_Msk) >> CLOCK_LFCLKRUN_STATUS_Pos); 463 } 464 465 __STATIC_INLINE nrf_clock_hfclk_t nrf_clock_hf_src_get(void) 466 { 467 return (nrf_clock_hfclk_t)((NRF_CLOCK->HFCLKSTAT & 468 CLOCK_HFCLKSTAT_SRC_Msk) >> CLOCK_HFCLKSTAT_SRC_Pos); 469 } 470 471 __STATIC_INLINE bool nrf_clock_hf_is_running(nrf_clock_hfclk_t clk_src) 472 { 473 return (NRF_CLOCK->HFCLKSTAT & (CLOCK_HFCLKSTAT_STATE_Msk | CLOCK_HFCLKSTAT_SRC_Msk)) == 474 (CLOCK_HFCLKSTAT_STATE_Msk | (clk_src << CLOCK_HFCLKSTAT_SRC_Pos)); 475 } 476 477 __STATIC_INLINE nrf_clock_start_task_status_t nrf_clock_hf_start_task_status_get(void) 478 { 479 return (nrf_clock_start_task_status_t)((NRF_CLOCK->HFCLKRUN & 480 CLOCK_HFCLKRUN_STATUS_Msk) >> CLOCK_HFCLKRUN_STATUS_Pos); 481 } 482 483 #if (NRF_CLOCK_HAS_CALIBRATION) 484 __STATIC_INLINE void nrf_clock_cal_timer_timeout_set(uint32_t interval) 485 { 486 NRF_CLOCK->CTIV = ((interval << CLOCK_CTIV_CTIV_Pos) & CLOCK_CTIV_CTIV_Msk); 487 } 488 #endif 489 490 #if defined(DPPI_PRESENT) 491 __STATIC_INLINE void nrf_clock_subscribe_set(nrf_clock_task_t task, 492 uint8_t channel) 493 { 494 *((volatile uint32_t *) ((uint8_t *) NRF_CLOCK + (uint32_t) task + 0x80uL)) = 495 ((uint32_t)channel | CLOCK_SUBSCRIBE_HFCLKSTART_EN_Msk); 496 } 497 498 __STATIC_INLINE void nrf_clock_subscribe_clear(nrf_clock_task_t task) 499 { 500 *((volatile uint32_t *) ((uint8_t *) NRF_CLOCK + (uint32_t) task + 0x80uL)) = 0; 501 } 502 503 __STATIC_INLINE void nrf_clock_publish_set(nrf_clock_event_t event, 504 uint8_t channel) 505 { 506 *((volatile uint32_t *) ((uint8_t *) NRF_CLOCK + (uint32_t) event + 0x80uL)) = 507 ((uint32_t)channel | CLOCK_PUBLISH_HFCLKSTARTED_EN_Msk); 508 } 509 510 __STATIC_INLINE void nrf_clock_publish_clear(nrf_clock_event_t event) 511 { 512 *((volatile uint32_t *) ((uint8_t *) NRF_CLOCK + (uint32_t) event + 0x80uL)) = 0; 513 } 514 #endif // defined(DPPI_PRESENT) 515 516 #endif // SUPPRESS_INLINE_IMPLEMENTATION 517 518 /** @} */ 519 520 #ifdef __cplusplus 521 } 522 #endif 523 524 #endif // NRF_CLOCK_H__ 525