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225 lines
7.4 KiB
C
225 lines
7.4 KiB
C
/*
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* Copyright (c) 2012 - 2019, Nordic Semiconductor ASA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NRF_TEMP_H__
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#define NRF_TEMP_H__
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#include <nrfx.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup nrf_temp_hal TEMP HAL
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* @{
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* @ingroup nrf_temp
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* @brief Hardware access layer for managing the Temperature sensor (TEMP).
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*/
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/** @brief TEMP tasks. */
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typedef enum
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{
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NRF_TEMP_TASK_START = offsetof(NRF_TEMP_Type, TASKS_START), /**< Start temperature measurement. */
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NRF_TEMP_TASK_STOP = offsetof(NRF_TEMP_Type, TASKS_STOP) /**< Stop temperature measurement. */
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} nrf_temp_task_t;
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/** @brief TEMP events. */
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typedef enum
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{
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NRF_TEMP_EVENT_DATARDY = offsetof(NRF_TEMP_Type, EVENTS_DATARDY) /**< Temperature measurement complete, data ready. */
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} nrf_temp_event_t;
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/** @brief TEMP interrupts. */
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typedef enum
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{
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NRF_TEMP_INT_DATARDY_MASK = TEMP_INTENSET_DATARDY_Msk /**< Interrupt on DATARDY event. */
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} nrf_temp_int_mask_t;
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/**
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* @brief Function for enabling specified interrupts.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] mask Mask of interrupts to be enabled.
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*/
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NRF_STATIC_INLINE void nrf_temp_int_enable(NRF_TEMP_Type * p_reg, uint32_t mask);
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/**
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* @brief Function for disabling specified interrupts.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] mask Mask of interrupts to be disabled.
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*/
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NRF_STATIC_INLINE void nrf_temp_int_disable(NRF_TEMP_Type * p_reg, uint32_t mask);
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/**
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* @brief Function for checking if the specified interrupts are enabled.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] mask Mask of interrupts to be checked.
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*
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* @return Mask of enabled interrupts.
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*/
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NRF_STATIC_INLINE uint32_t nrf_temp_int_enable_check(NRF_TEMP_Type const * p_reg, uint32_t mask);
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/**
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* @brief Function for getting the address of the specified TEMP task register.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] task Requested task.
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*
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* @return Address of the requested task register.
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*/
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NRF_STATIC_INLINE uint32_t nrf_temp_task_address_get(NRF_TEMP_Type const * p_reg,
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nrf_temp_task_t task);
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/**
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* @brief Function for activating the specified TEMP task.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] task Task to be activated.
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*/
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NRF_STATIC_INLINE void nrf_temp_task_trigger(NRF_TEMP_Type * p_reg, nrf_temp_task_t task);
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/**
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* @brief Function for getting the address of the specified TEMP event register.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] event Requested event.
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*
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* @return Address of the requested event register.
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*/
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NRF_STATIC_INLINE uint32_t nrf_temp_event_address_get(NRF_TEMP_Type const * p_reg,
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nrf_temp_event_t event);
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/**
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* @brief Function for clearing the specified TEMP event.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] event Event to clear.
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*/
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NRF_STATIC_INLINE void nrf_temp_event_clear(NRF_TEMP_Type * p_reg, nrf_temp_event_t event);
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/**
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* @brief Function for getting the state of a specific event.
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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* @param[in] event Event to be checked.
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*
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* @retval true The event has been generated.
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* @retval false The event has not been generated.
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*/
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NRF_STATIC_INLINE bool nrf_temp_event_check(NRF_TEMP_Type const * p_reg, nrf_temp_event_t event);
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/**
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* @brief Function for getting the result of temperature measurement.
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*
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* @note Returned value is in 2's complement format, 0.25 °C steps
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*
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* @param[in] p_reg Pointer to the structure of registers of the peripheral.
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*
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* @return Temperature value register contents.
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*/
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NRF_STATIC_INLINE int32_t nrf_temp_result_get(NRF_TEMP_Type const * p_reg);
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#ifndef NRF_DECLARE_ONLY
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NRF_STATIC_INLINE void nrf_temp_int_enable(NRF_TEMP_Type * p_reg, uint32_t mask)
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{
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p_reg->INTENSET = mask;
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}
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NRF_STATIC_INLINE void nrf_temp_int_disable(NRF_TEMP_Type * p_reg, uint32_t mask)
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{
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p_reg->INTENCLR = mask;
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}
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NRF_STATIC_INLINE uint32_t nrf_temp_int_enable_check(NRF_TEMP_Type const * p_reg, uint32_t mask)
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{
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return p_reg->INTENSET & mask;
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}
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NRF_STATIC_INLINE uint32_t nrf_temp_task_address_get(NRF_TEMP_Type const * p_reg,
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nrf_temp_task_t task)
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{
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return (uint32_t)((uint8_t *)p_reg + (uint32_t)task);
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}
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NRF_STATIC_INLINE void nrf_temp_task_trigger(NRF_TEMP_Type * p_reg, nrf_temp_task_t task)
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{
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*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task) = 1;
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}
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NRF_STATIC_INLINE uint32_t nrf_temp_event_address_get(NRF_TEMP_Type const * p_reg,
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nrf_temp_event_t event)
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{
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return (uint32_t)((uint8_t *)p_reg + (uint32_t)event);
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}
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NRF_STATIC_INLINE void nrf_temp_event_clear(NRF_TEMP_Type * p_reg, nrf_temp_event_t event)
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{
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*((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0;
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#if __CORTEX_M == 0x04
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volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event));
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(void)dummy;
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#endif
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}
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NRF_STATIC_INLINE bool nrf_temp_event_check(NRF_TEMP_Type const * p_reg, nrf_temp_event_t event)
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{
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return (bool)*((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event));
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}
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NRF_STATIC_INLINE int32_t nrf_temp_result_get(NRF_TEMP_Type const * p_reg)
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{
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int32_t raw_measurement = p_reg->TEMP;
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#if defined(NRF51)
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/* Apply workaround for the nRF51 series anomaly 28 - TEMP: Negative measured values are not represented correctly. */
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if ((raw_measurement & 0x00000200) != 0)
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{
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raw_measurement |= 0xFFFFFC00UL;
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}
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#endif
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return raw_measurement;
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}
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#endif // NRF_DECLARE_ONLY
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_TEMP_H__
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