| /* |
| * Copyright (c) 2012 - 2019, 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 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 the copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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_TEMP_H__ |
| #define NRF_TEMP_H__ |
| |
| #include <nrfx.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @defgroup nrf_temp_hal_deprecated TEMP HAL (deprecated) |
| * @{ |
| * @ingroup nrf_temp |
| * @brief Temperature module init and read functions. |
| */ |
| |
| /** @brief Workaround specific define - sign mask.*/ |
| #define MASK_SIGN (0x00000200UL) |
| |
| /** @brief Workaround specific define - sign extension mask.*/ |
| #define MASK_SIGN_EXTENSION (0xFFFFFC00UL) |
| |
| /** |
| * @brief Function for preparing the TEMP module for temperature measurement. |
| * |
| * This function initializes the TEMP module and writes to the hidden configuration register. |
| */ |
| static __INLINE void nrf_temp_init(void) |
| { |
| /**@note Workaround for PAN_028 rev2.0A anomaly 31 - TEMP: Temperature offset value has to be manually loaded to the TEMP module */ |
| *(uint32_t *) 0x4000C504 = 0; |
| } |
| |
| /** |
| * @brief Function for reading temperature measurement. |
| * |
| * The function reads the 10-bit 2's complement value and transforms it to a 32-bit 2's complement value. |
| */ |
| static __INLINE int32_t nrf_temp_read(void) |
| { |
| /**@note Workaround for PAN_028 rev2.0A anomaly 28 - TEMP: Negative measured values are not represented correctly */ |
| return ((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? |
| (int32_t)(NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP); |
| } |
| |
| /** @} */ |
| |
| /** |
| * @defgroup nrf_temp_hal TEMP HAL |
| * @{ |
| * @ingroup nrf_temp |
| * @brief Hardware access layer for managing the Temperature sensor (TEMP). |
| */ |
| |
| /** @brief TEMP tasks. */ |
| typedef enum |
| { |
| NRF_TEMP_TASK_START = offsetof(NRF_TEMP_Type, TASKS_START), /**< Start temperature measurement. */ |
| NRF_TEMP_TASK_STOP = offsetof(NRF_TEMP_Type, TASKS_STOP) /**< Stop temperature measurement. */ |
| } nrf_temp_task_t; |
| |
| /** @brief TEMP events. */ |
| typedef enum |
| { |
| NRF_TEMP_EVENT_DATARDY = offsetof(NRF_TEMP_Type, EVENTS_DATARDY) /**< Temperature measurement complete, data ready. */ |
| } nrf_temp_event_t; |
| |
| /** @brief TEMP interrupts. */ |
| typedef enum |
| { |
| NRF_TEMP_INT_DATARDY_MASK = TEMP_INTENSET_DATARDY_Msk /**< Interrupt on DATARDY event. */ |
| } nrf_temp_int_mask_t; |
| |
| /** |
| * @brief Function for enabling specified interrupts. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] mask Mask of interrupts to be enabled. |
| */ |
| __STATIC_INLINE void nrf_temp_int_enable(NRF_TEMP_Type * p_reg, uint32_t mask); |
| |
| /** |
| * @brief Function for disabling specified interrupts. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] mask Mask of interrupts to be disabled. |
| */ |
| __STATIC_INLINE void nrf_temp_int_disable(NRF_TEMP_Type * p_reg, uint32_t mask); |
| |
| /** |
| * @brief Function for retrieving the state of a given interrupt. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] temp_int Interrupt to be checked. |
| * |
| * @retval true The interrupt is enabled. |
| * @retval false The interrupt is not enabled. |
| */ |
| __STATIC_INLINE bool nrf_temp_int_enable_check(NRF_TEMP_Type const * p_reg, |
| nrf_temp_int_mask_t temp_int); |
| |
| /** |
| * @brief Function for getting the address of the specified TEMP task register. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] task Requested task. |
| * |
| * @return Address of the requested task register. |
| */ |
| __STATIC_INLINE uint32_t nrf_temp_task_address_get(NRF_TEMP_Type const * p_reg, |
| nrf_temp_task_t task); |
| |
| /** |
| * @brief Function for activating the specified TEMP task. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] task Task to be activated. |
| */ |
| __STATIC_INLINE void nrf_temp_task_trigger(NRF_TEMP_Type * p_reg, nrf_temp_task_t task); |
| |
| /** |
| * @brief Function for getting the address of the specified TEMP event register. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Requested event. |
| * |
| * @return Address of the requested event register. |
| */ |
| __STATIC_INLINE uint32_t nrf_temp_event_address_get(NRF_TEMP_Type const * p_reg, |
| nrf_temp_event_t event); |
| |
| /** |
| * @brief Function for clearing the specified TEMP event. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Event to clear. |
| */ |
| __STATIC_INLINE void nrf_temp_event_clear(NRF_TEMP_Type * p_reg, nrf_temp_event_t event); |
| |
| /** |
| * @brief Function for getting the state of a specific event. |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * @param[in] event Event to be checked. |
| * |
| * @retval true The event has been generated. |
| * @retval false The event has not been generated. |
| */ |
| __STATIC_INLINE bool nrf_temp_event_check(NRF_TEMP_Type const * p_reg, nrf_temp_event_t event); |
| |
| /** |
| * @brief Function for getting the result of temperature measurement. |
| * |
| * @note Returned value is in 2's complement format, 0.25 °C steps |
| * |
| * @param[in] p_reg Pointer to the structure of registers of the peripheral. |
| * |
| * @return Temperature value register contents. |
| */ |
| __STATIC_INLINE int32_t nrf_temp_result_get(NRF_TEMP_Type const * p_reg); |
| |
| #ifndef SUPPRESS_INLINE_IMPLEMENTATION |
| |
| __STATIC_INLINE void nrf_temp_int_enable(NRF_TEMP_Type * p_reg, uint32_t mask) |
| { |
| p_reg->INTENSET = mask; |
| } |
| |
| __STATIC_INLINE void nrf_temp_int_disable(NRF_TEMP_Type * p_reg, uint32_t mask) |
| { |
| p_reg->INTENCLR = mask; |
| } |
| |
| __STATIC_INLINE bool nrf_temp_int_enable_check(NRF_TEMP_Type const * p_reg, |
| nrf_temp_int_mask_t temp_int) |
| { |
| return (bool)(p_reg->INTENSET & temp_int); |
| } |
| |
| __STATIC_INLINE uint32_t nrf_temp_task_address_get(NRF_TEMP_Type const * p_reg, |
| nrf_temp_task_t task) |
| { |
| return (uint32_t)((uint8_t *)p_reg + (uint32_t)task); |
| } |
| |
| __STATIC_INLINE void nrf_temp_task_trigger(NRF_TEMP_Type * p_reg, nrf_temp_task_t task) |
| { |
| *(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task) = 1; |
| } |
| |
| __STATIC_INLINE uint32_t nrf_temp_event_address_get(NRF_TEMP_Type const * p_reg, |
| nrf_temp_event_t event) |
| { |
| return (uint32_t)((uint8_t *)p_reg + (uint32_t)event); |
| } |
| |
| __STATIC_INLINE void nrf_temp_event_clear(NRF_TEMP_Type * p_reg, nrf_temp_event_t event) |
| { |
| *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0; |
| #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_temp_event_check(NRF_TEMP_Type const * p_reg, nrf_temp_event_t event) |
| { |
| return (bool)*((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)); |
| } |
| |
| __STATIC_INLINE int32_t nrf_temp_result_get(NRF_TEMP_Type const * p_reg) |
| { |
| int32_t raw_measurement = p_reg->TEMP; |
| |
| #if defined(NRF51) |
| /* Apply workaround for the nRF51 series anomaly 28 - TEMP: Negative measured values are not represented correctly. */ |
| if ((raw_measurement & 0x00000200) != 0) |
| { |
| raw_measurement |= 0xFFFFFC00UL; |
| } |
| #endif |
| |
| return raw_measurement; |
| } |
| |
| #endif |
| |
| /** @} */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // NRF_TEMP_H__ |