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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/hal/nrf_timer.h')
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/hal/nrf_timer.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/hal/nrf_timer.h new file mode 100644 index 0000000..2303478 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/hal/nrf_timer.h @@ -0,0 +1,634 @@ +/** + * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef NRF_TIMER_H__ +#define NRF_TIMER_H__ + +#include <nrfx.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup nrf_timer_hal TIMER HAL + * @{ + * @ingroup nrf_timer + * @brief Hardware access layer for managing the TIMER peripheral. + */ + +/** + * @brief Macro for validating the correctness of the BIT_WIDTH setting. + */ + +#define TIMER_MAX_SIZE(id) NRFX_CONCAT_3(TIMER, id, _MAX_SIZE) + +#define TIMER_BIT_WIDTH_MAX(id, bit_width) \ + (TIMER_MAX_SIZE(id) == 8 ? (bit_width == NRF_TIMER_BIT_WIDTH_8) : \ + (TIMER_MAX_SIZE(id) == 16 ? (bit_width == NRF_TIMER_BIT_WIDTH_8) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_16) : \ + (TIMER_MAX_SIZE(id) == 24 ? (bit_width == NRF_TIMER_BIT_WIDTH_8) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_16) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_24) : \ + (TIMER_MAX_SIZE(id) == 32 ? (bit_width == NRF_TIMER_BIT_WIDTH_8) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_16) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_24) || \ + (bit_width == NRF_TIMER_BIT_WIDTH_32) : \ + false)))) + +#if TIMER_COUNT > 3 +#define NRF_TIMER_IS_BIT_WIDTH_VALID(p_reg, bit_width) ( \ + ((p_reg == NRF_TIMER0) && (TIMER_BIT_WIDTH_MAX(0, bit_width))) \ + || ((p_reg == NRF_TIMER1) && (TIMER_BIT_WIDTH_MAX(1, bit_width))) \ + || ((p_reg == NRF_TIMER2) && (TIMER_BIT_WIDTH_MAX(2, bit_width))) \ + || ((p_reg == NRF_TIMER3) && (TIMER_BIT_WIDTH_MAX(3, bit_width))) \ + || ((p_reg == NRF_TIMER4) && (TIMER_BIT_WIDTH_MAX(4, bit_width))) ) + +#else +#define NRF_TIMER_IS_BIT_WIDTH_VALID(p_reg, bit_width) ( \ + ((p_reg == NRF_TIMER0) && TIMER_BIT_WIDTH_MAX(0, bit_width)) \ + || ((p_reg == NRF_TIMER1) && TIMER_BIT_WIDTH_MAX(1, bit_width)) \ + || ((p_reg == NRF_TIMER2) && TIMER_BIT_WIDTH_MAX(2, bit_width)) ) + +#endif + +/** + * @brief Macro for getting the number of capture/compare channels available + * in a given timer instance. + */ +#define NRF_TIMER_CC_CHANNEL_COUNT(id) NRFX_CONCAT_3(TIMER, id, _CC_NUM) + +/** + * @brief Timer tasks. + */ +typedef enum +{ + /*lint -save -e30 -esym(628,__INTADDR__)*/ + NRF_TIMER_TASK_START = offsetof(NRF_TIMER_Type, TASKS_START), ///< Task for starting the timer. + NRF_TIMER_TASK_STOP = offsetof(NRF_TIMER_Type, TASKS_STOP), ///< Task for stopping the timer. + NRF_TIMER_TASK_COUNT = offsetof(NRF_TIMER_Type, TASKS_COUNT), ///< Task for incrementing the timer (in counter mode). + NRF_TIMER_TASK_CLEAR = offsetof(NRF_TIMER_Type, TASKS_CLEAR), ///< Task for resetting the timer value. + NRF_TIMER_TASK_SHUTDOWN = offsetof(NRF_TIMER_Type, TASKS_SHUTDOWN), ///< Task for powering off the timer. + NRF_TIMER_TASK_CAPTURE0 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[0]), ///< Task for capturing the timer value on channel 0. + NRF_TIMER_TASK_CAPTURE1 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[1]), ///< Task for capturing the timer value on channel 1. + NRF_TIMER_TASK_CAPTURE2 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[2]), ///< Task for capturing the timer value on channel 2. + NRF_TIMER_TASK_CAPTURE3 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[3]), ///< Task for capturing the timer value on channel 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_TASK_CAPTURE4 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[4]), ///< Task for capturing the timer value on channel 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_TASK_CAPTURE5 = offsetof(NRF_TIMER_Type, TASKS_CAPTURE[5]), ///< Task for capturing the timer value on channel 5. +#endif + /*lint -restore*/ +} nrf_timer_task_t; + +/** + * @brief Timer events. + */ +typedef enum +{ + /*lint -save -e30*/ + NRF_TIMER_EVENT_COMPARE0 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[0]), ///< Event from compare channel 0. + NRF_TIMER_EVENT_COMPARE1 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[1]), ///< Event from compare channel 1. + NRF_TIMER_EVENT_COMPARE2 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[2]), ///< Event from compare channel 2. + NRF_TIMER_EVENT_COMPARE3 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[3]), ///< Event from compare channel 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_EVENT_COMPARE4 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[4]), ///< Event from compare channel 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_EVENT_COMPARE5 = offsetof(NRF_TIMER_Type, EVENTS_COMPARE[5]), ///< Event from compare channel 5. +#endif + /*lint -restore*/ +} nrf_timer_event_t; + +/** + * @brief Types of timer shortcuts. + */ +typedef enum +{ + NRF_TIMER_SHORT_COMPARE0_STOP_MASK = TIMER_SHORTS_COMPARE0_STOP_Msk, ///< Shortcut for stopping the timer based on compare 0. + NRF_TIMER_SHORT_COMPARE1_STOP_MASK = TIMER_SHORTS_COMPARE1_STOP_Msk, ///< Shortcut for stopping the timer based on compare 1. + NRF_TIMER_SHORT_COMPARE2_STOP_MASK = TIMER_SHORTS_COMPARE2_STOP_Msk, ///< Shortcut for stopping the timer based on compare 2. + NRF_TIMER_SHORT_COMPARE3_STOP_MASK = TIMER_SHORTS_COMPARE3_STOP_Msk, ///< Shortcut for stopping the timer based on compare 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_SHORT_COMPARE4_STOP_MASK = TIMER_SHORTS_COMPARE4_STOP_Msk, ///< Shortcut for stopping the timer based on compare 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_SHORT_COMPARE5_STOP_MASK = TIMER_SHORTS_COMPARE5_STOP_Msk, ///< Shortcut for stopping the timer based on compare 5. +#endif + NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK = TIMER_SHORTS_COMPARE0_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 0. + NRF_TIMER_SHORT_COMPARE1_CLEAR_MASK = TIMER_SHORTS_COMPARE1_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 1. + NRF_TIMER_SHORT_COMPARE2_CLEAR_MASK = TIMER_SHORTS_COMPARE2_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 2. + NRF_TIMER_SHORT_COMPARE3_CLEAR_MASK = TIMER_SHORTS_COMPARE3_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_SHORT_COMPARE4_CLEAR_MASK = TIMER_SHORTS_COMPARE4_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_SHORT_COMPARE5_CLEAR_MASK = TIMER_SHORTS_COMPARE5_CLEAR_Msk, ///< Shortcut for clearing the timer based on compare 5. +#endif +} nrf_timer_short_mask_t; + +/** + * @brief Timer modes. + */ +typedef enum +{ + NRF_TIMER_MODE_TIMER = TIMER_MODE_MODE_Timer, ///< Timer mode: timer. + NRF_TIMER_MODE_COUNTER = TIMER_MODE_MODE_Counter, ///< Timer mode: counter. +#if defined(TIMER_MODE_MODE_LowPowerCounter) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_MODE_LOW_POWER_COUNTER = TIMER_MODE_MODE_LowPowerCounter, ///< Timer mode: low-power counter. +#endif +} nrf_timer_mode_t; + +/** + * @brief Timer bit width. + */ +typedef enum +{ + NRF_TIMER_BIT_WIDTH_8 = TIMER_BITMODE_BITMODE_08Bit, ///< Timer bit width 8 bit. + NRF_TIMER_BIT_WIDTH_16 = TIMER_BITMODE_BITMODE_16Bit, ///< Timer bit width 16 bit. + NRF_TIMER_BIT_WIDTH_24 = TIMER_BITMODE_BITMODE_24Bit, ///< Timer bit width 24 bit. + NRF_TIMER_BIT_WIDTH_32 = TIMER_BITMODE_BITMODE_32Bit ///< Timer bit width 32 bit. +} nrf_timer_bit_width_t; + +/** + * @brief Timer prescalers. + */ +typedef enum +{ + NRF_TIMER_FREQ_16MHz = 0, ///< Timer frequency 16 MHz. + NRF_TIMER_FREQ_8MHz, ///< Timer frequency 8 MHz. + NRF_TIMER_FREQ_4MHz, ///< Timer frequency 4 MHz. + NRF_TIMER_FREQ_2MHz, ///< Timer frequency 2 MHz. + NRF_TIMER_FREQ_1MHz, ///< Timer frequency 1 MHz. + NRF_TIMER_FREQ_500kHz, ///< Timer frequency 500 kHz. + NRF_TIMER_FREQ_250kHz, ///< Timer frequency 250 kHz. + NRF_TIMER_FREQ_125kHz, ///< Timer frequency 125 kHz. + NRF_TIMER_FREQ_62500Hz, ///< Timer frequency 62500 Hz. + NRF_TIMER_FREQ_31250Hz ///< Timer frequency 31250 Hz. +} nrf_timer_frequency_t; + +/** + * @brief Timer capture/compare channels. + */ +typedef enum +{ + NRF_TIMER_CC_CHANNEL0 = 0, ///< Timer capture/compare channel 0. + NRF_TIMER_CC_CHANNEL1, ///< Timer capture/compare channel 1. + NRF_TIMER_CC_CHANNEL2, ///< Timer capture/compare channel 2. + NRF_TIMER_CC_CHANNEL3, ///< Timer capture/compare channel 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_CC_CHANNEL4, ///< Timer capture/compare channel 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_CC_CHANNEL5, ///< Timer capture/compare channel 5. +#endif +} nrf_timer_cc_channel_t; + +/** + * @brief Timer interrupts. + */ +typedef enum +{ + NRF_TIMER_INT_COMPARE0_MASK = TIMER_INTENSET_COMPARE0_Msk, ///< Timer interrupt from compare event on channel 0. + NRF_TIMER_INT_COMPARE1_MASK = TIMER_INTENSET_COMPARE1_Msk, ///< Timer interrupt from compare event on channel 1. + NRF_TIMER_INT_COMPARE2_MASK = TIMER_INTENSET_COMPARE2_Msk, ///< Timer interrupt from compare event on channel 2. + NRF_TIMER_INT_COMPARE3_MASK = TIMER_INTENSET_COMPARE3_Msk, ///< Timer interrupt from compare event on channel 3. +#if defined(TIMER_INTENSET_COMPARE4_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_INT_COMPARE4_MASK = TIMER_INTENSET_COMPARE4_Msk, ///< Timer interrupt from compare event on channel 4. +#endif +#if defined(TIMER_INTENSET_COMPARE5_Msk) || defined(__NRFX_DOXYGEN__) + NRF_TIMER_INT_COMPARE5_MASK = TIMER_INTENSET_COMPARE5_Msk, ///< Timer interrupt from compare event on channel 5. +#endif +} nrf_timer_int_mask_t; + + +/** + * @brief Function for activating a specific timer task. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] task Task to activate. + */ +__STATIC_INLINE void nrf_timer_task_trigger(NRF_TIMER_Type * p_reg, + nrf_timer_task_t task); + +/** + * @brief Function for getting the address of a specific timer task register. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] task Requested task. + * + * @return Address of the specified task register. + */ +__STATIC_INLINE uint32_t * nrf_timer_task_address_get(NRF_TIMER_Type * p_reg, + nrf_timer_task_t task); + +/** + * @brief Function for clearing a specific timer event. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] event Event to clear. + */ +__STATIC_INLINE void nrf_timer_event_clear(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event); + +/** + * @brief Function for checking the state of a specific timer event. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] event Event to check. + * + * @retval true If the event is set. + * @retval false If the event is not set. + */ +__STATIC_INLINE bool nrf_timer_event_check(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event); + +/** + * @brief Function for getting the address of a specific timer event register. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] event Requested event. + * + * @return Address of the specified event register. + */ +__STATIC_INLINE uint32_t * nrf_timer_event_address_get(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event); + +/** + * @brief Function for enabling specified shortcuts. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] timer_shorts_mask Shortcuts to enable. + */ +__STATIC_INLINE void nrf_timer_shorts_enable(NRF_TIMER_Type * p_reg, + uint32_t timer_shorts_mask); + +/** + * @brief Function for disabling specified shortcuts. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] timer_shorts_mask Shortcuts to disable. + */ +__STATIC_INLINE void nrf_timer_shorts_disable(NRF_TIMER_Type * p_reg, + uint32_t timer_shorts_mask); + +/** + * @brief Function for enabling specified interrupts. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] timer_int_mask Interrupts to enable. + */ +__STATIC_INLINE void nrf_timer_int_enable(NRF_TIMER_Type * p_reg, + uint32_t timer_int_mask); + +/** + * @brief Function for disabling specified interrupts. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] timer_int_mask Interrupts to disable. + */ +__STATIC_INLINE void nrf_timer_int_disable(NRF_TIMER_Type * p_reg, + uint32_t timer_int_mask); + +/** + * @brief Function for retrieving the state of a given interrupt. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] timer_int Interrupt to check. + * + * @retval true If the interrupt is enabled. + * @retval false If the interrupt is not enabled. + */ +__STATIC_INLINE bool nrf_timer_int_enable_check(NRF_TIMER_Type * p_reg, + uint32_t timer_int); + +/** + * @brief Function for setting the timer mode. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] mode Timer mode. + */ +__STATIC_INLINE void nrf_timer_mode_set(NRF_TIMER_Type * p_reg, + nrf_timer_mode_t mode); + +/** + * @brief Function for retrieving the timer mode. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * + * @return Timer mode. + */ +__STATIC_INLINE nrf_timer_mode_t nrf_timer_mode_get(NRF_TIMER_Type * p_reg); + +/** + * @brief Function for setting the timer bit width. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] bit_width Timer bit width. + */ +__STATIC_INLINE void nrf_timer_bit_width_set(NRF_TIMER_Type * p_reg, + nrf_timer_bit_width_t bit_width); + +/** + * @brief Function for retrieving the timer bit width. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * + * @return Timer bit width. + */ +__STATIC_INLINE nrf_timer_bit_width_t nrf_timer_bit_width_get(NRF_TIMER_Type * p_reg); + +/** + * @brief Function for setting the timer frequency. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] frequency Timer frequency. + */ +__STATIC_INLINE void nrf_timer_frequency_set(NRF_TIMER_Type * p_reg, + nrf_timer_frequency_t frequency); + +/** + * @brief Function for retrieving the timer frequency. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * + * @return Timer frequency. + */ +__STATIC_INLINE nrf_timer_frequency_t nrf_timer_frequency_get(NRF_TIMER_Type * p_reg); + +/** + * @brief Function for writing the capture/compare register for a specified channel. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] cc_channel Requested capture/compare channel. + * @param[in] cc_value Value to write to the capture/compare register. + */ +__STATIC_INLINE void nrf_timer_cc_write(NRF_TIMER_Type * p_reg, + nrf_timer_cc_channel_t cc_channel, + uint32_t cc_value); + +/** + * @brief Function for retrieving the capture/compare value for a specified channel. + * + * @param[in] p_reg Pointer to the peripheral registers structure. + * @param[in] cc_channel Requested capture/compare channel. + * + * @return Value from the requested capture/compare register. + */ +__STATIC_INLINE uint32_t nrf_timer_cc_read(NRF_TIMER_Type * p_reg, + nrf_timer_cc_channel_t cc_channel); + +/** + * @brief Function for getting a specific timer capture task. + * + * @param[in] channel Capture channel. + * + * @return Capture task. + */ +__STATIC_INLINE nrf_timer_task_t nrf_timer_capture_task_get(uint32_t channel); + +/** + * @brief Function for getting a specific timer compare event. + * + * @param[in] channel Compare channel. + * + * @return Compare event. + */ +__STATIC_INLINE nrf_timer_event_t nrf_timer_compare_event_get(uint32_t channel); + +/** + * @brief Function for getting a specific timer compare interrupt. + * + * @param[in] channel Compare channel. + * + * @return Compare interrupt. + */ +__STATIC_INLINE nrf_timer_int_mask_t nrf_timer_compare_int_get(uint32_t channel); + +/** + * @brief Function for calculating the number of timer ticks for a given time + * (in microseconds) and timer frequency. + * + * @param[in] time_us Time in microseconds. + * @param[in] frequency Timer frequency. + * + * @return Number of timer ticks. + */ +__STATIC_INLINE uint32_t nrf_timer_us_to_ticks(uint32_t time_us, + nrf_timer_frequency_t frequency); + +/** + * @brief Function for calculating the number of timer ticks for a given time + * (in milliseconds) and timer frequency. + * + * @param[in] time_ms Time in milliseconds. + * @param[in] frequency Timer frequency. + * + * @return Number of timer ticks. + */ +__STATIC_INLINE uint32_t nrf_timer_ms_to_ticks(uint32_t time_ms, + nrf_timer_frequency_t frequency); + + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +__STATIC_INLINE void nrf_timer_task_trigger(NRF_TIMER_Type * p_reg, + nrf_timer_task_t task) +{ + *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL; +} + +__STATIC_INLINE uint32_t * nrf_timer_task_address_get(NRF_TIMER_Type * p_reg, + nrf_timer_task_t task) +{ + return (uint32_t *)((uint8_t *)p_reg + (uint32_t)task); +} + +__STATIC_INLINE void nrf_timer_event_clear(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event) +{ + *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0x0UL; +#if __CORTEX_M == 0x04 + volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)); + (void)dummy; +#endif +} + +__STATIC_INLINE bool nrf_timer_event_check(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event) +{ + return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event); +} + +__STATIC_INLINE uint32_t * nrf_timer_event_address_get(NRF_TIMER_Type * p_reg, + nrf_timer_event_t event) +{ + return (uint32_t *)((uint8_t *)p_reg + (uint32_t)event); +} + +__STATIC_INLINE void nrf_timer_shorts_enable(NRF_TIMER_Type * p_reg, + uint32_t timer_shorts_mask) +{ + p_reg->SHORTS |= timer_shorts_mask; +} + +__STATIC_INLINE void nrf_timer_shorts_disable(NRF_TIMER_Type * p_reg, + uint32_t timer_shorts_mask) +{ + p_reg->SHORTS &= ~(timer_shorts_mask); +} + +__STATIC_INLINE void nrf_timer_int_enable(NRF_TIMER_Type * p_reg, + uint32_t timer_int_mask) +{ + p_reg->INTENSET = timer_int_mask; +} + +__STATIC_INLINE void nrf_timer_int_disable(NRF_TIMER_Type * p_reg, + uint32_t timer_int_mask) +{ + p_reg->INTENCLR = timer_int_mask; +} + +__STATIC_INLINE bool nrf_timer_int_enable_check(NRF_TIMER_Type * p_reg, + uint32_t timer_int) +{ + return (bool)(p_reg->INTENSET & timer_int); +} + +__STATIC_INLINE void nrf_timer_mode_set(NRF_TIMER_Type * p_reg, + nrf_timer_mode_t mode) +{ + p_reg->MODE = (p_reg->MODE & ~TIMER_MODE_MODE_Msk) | + ((mode << TIMER_MODE_MODE_Pos) & TIMER_MODE_MODE_Msk); +} + +__STATIC_INLINE nrf_timer_mode_t nrf_timer_mode_get(NRF_TIMER_Type * p_reg) +{ + return (nrf_timer_mode_t)(p_reg->MODE); +} + +__STATIC_INLINE void nrf_timer_bit_width_set(NRF_TIMER_Type * p_reg, + nrf_timer_bit_width_t bit_width) +{ + p_reg->BITMODE = (p_reg->BITMODE & ~TIMER_BITMODE_BITMODE_Msk) | + ((bit_width << TIMER_BITMODE_BITMODE_Pos) & + TIMER_BITMODE_BITMODE_Msk); +} + +__STATIC_INLINE nrf_timer_bit_width_t nrf_timer_bit_width_get(NRF_TIMER_Type * p_reg) +{ + return (nrf_timer_bit_width_t)(p_reg->BITMODE); +} + +__STATIC_INLINE void nrf_timer_frequency_set(NRF_TIMER_Type * p_reg, + nrf_timer_frequency_t frequency) +{ + p_reg->PRESCALER = (p_reg->PRESCALER & ~TIMER_PRESCALER_PRESCALER_Msk) | + ((frequency << TIMER_PRESCALER_PRESCALER_Pos) & + TIMER_PRESCALER_PRESCALER_Msk); +} + +__STATIC_INLINE nrf_timer_frequency_t nrf_timer_frequency_get(NRF_TIMER_Type * p_reg) +{ + return (nrf_timer_frequency_t)(p_reg->PRESCALER); +} + +__STATIC_INLINE void nrf_timer_cc_write(NRF_TIMER_Type * p_reg, + nrf_timer_cc_channel_t cc_channel, + uint32_t cc_value) +{ + p_reg->CC[cc_channel] = cc_value; +} + +__STATIC_INLINE uint32_t nrf_timer_cc_read(NRF_TIMER_Type * p_reg, + nrf_timer_cc_channel_t cc_channel) +{ + return (uint32_t)p_reg->CC[cc_channel]; +} + +__STATIC_INLINE nrf_timer_task_t nrf_timer_capture_task_get(uint32_t channel) +{ + return (nrf_timer_task_t) + ((uint32_t)NRF_TIMER_TASK_CAPTURE0 + (channel * sizeof(uint32_t))); +} + +__STATIC_INLINE nrf_timer_event_t nrf_timer_compare_event_get(uint32_t channel) +{ + return (nrf_timer_event_t) + ((uint32_t)NRF_TIMER_EVENT_COMPARE0 + (channel * sizeof(uint32_t))); +} + +__STATIC_INLINE nrf_timer_int_mask_t nrf_timer_compare_int_get(uint32_t channel) +{ + return (nrf_timer_int_mask_t) + ((uint32_t)NRF_TIMER_INT_COMPARE0_MASK << channel); +} + +__STATIC_INLINE uint32_t nrf_timer_us_to_ticks(uint32_t time_us, + nrf_timer_frequency_t frequency) +{ + // The "frequency" parameter here is actually the prescaler value, and the + // timer runs at the following frequency: f = 16 MHz / 2^prescaler. + uint32_t prescaler = (uint32_t)frequency; + NRFX_ASSERT(time_us <= (UINT32_MAX / 16UL)); + return ((time_us * 16UL) >> prescaler); +} + +__STATIC_INLINE uint32_t nrf_timer_ms_to_ticks(uint32_t time_ms, + nrf_timer_frequency_t frequency) +{ + // The "frequency" parameter here is actually the prescaler value, and the + // timer runs at the following frequency: f = 16000 kHz / 2^prescaler. + uint32_t prescaler = (uint32_t)frequency; + NRFX_ASSERT(time_ms <= (UINT32_MAX / 16000UL)); + return ((time_ms * 16000UL) >> prescaler); +} + +#endif // SUPPRESS_INLINE_IMPLEMENTATION + +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif // NRF_TIMER_H__ |