Nordic Semiconductor / nRF51822

Nordic stack and drivers for the mbed BLE API

Dependents:   BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate writable_gatt ... more

TARGET_MCU_NRF51822/sdk/source/drivers_nrf/hal/nrf_temp.h@638:c90ae1400bf2, 2016-09-14 (annotated)

Committer:
Vincent Coubard
Date:
Wed Sep 14 14:39:43 2016 +0100
Revision:
638:c90ae1400bf2
Sync with bdab10dc0f90748b6989c8b577771bb403ca6bd8 from ARMmbed/mbed-os.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 638:c90ae1400bf2 1 /*
Vincent Coubard 638:c90ae1400bf2 2 * Copyright (c) Nordic Semiconductor ASA
Vincent Coubard 638:c90ae1400bf2 3 * All rights reserved.
Vincent Coubard 638:c90ae1400bf2 4 *
Vincent Coubard 638:c90ae1400bf2 5 * Redistribution and use in source and binary forms, with or without modification,
Vincent Coubard 638:c90ae1400bf2 6 * are permitted provided that the following conditions are met:
Vincent Coubard 638:c90ae1400bf2 7 *
Vincent Coubard 638:c90ae1400bf2 8 * 1. Redistributions of source code must retain the above copyright notice, this
Vincent Coubard 638:c90ae1400bf2 9 * list of conditions and the following disclaimer.
Vincent Coubard 638:c90ae1400bf2 10 *
Vincent Coubard 638:c90ae1400bf2 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this
Vincent Coubard 638:c90ae1400bf2 12 * list of conditions and the following disclaimer in the documentation and/or
Vincent Coubard 638:c90ae1400bf2 13 * other materials provided with the distribution.
Vincent Coubard 638:c90ae1400bf2 14 *
Vincent Coubard 638:c90ae1400bf2 15 * 3. Neither the name of Nordic Semiconductor ASA nor the names of other
Vincent Coubard 638:c90ae1400bf2 16 * contributors to this software may be used to endorse or promote products
Vincent Coubard 638:c90ae1400bf2 17 * derived from this software without specific prior written permission.
Vincent Coubard 638:c90ae1400bf2 18 *
Vincent Coubard 638:c90ae1400bf2 19 *
Vincent Coubard 638:c90ae1400bf2 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
Vincent Coubard 638:c90ae1400bf2 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Vincent Coubard 638:c90ae1400bf2 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Vincent Coubard 638:c90ae1400bf2 23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
Vincent Coubard 638:c90ae1400bf2 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Vincent Coubard 638:c90ae1400bf2 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Vincent Coubard 638:c90ae1400bf2 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
Vincent Coubard 638:c90ae1400bf2 27 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Vincent Coubard 638:c90ae1400bf2 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Vincent Coubard 638:c90ae1400bf2 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Vincent Coubard 638:c90ae1400bf2 30 *
Vincent Coubard 638:c90ae1400bf2 31 */
Vincent Coubard 638:c90ae1400bf2 32
Vincent Coubard 638:c90ae1400bf2 33 #ifndef NRF_TEMP_H__
Vincent Coubard 638:c90ae1400bf2 34 #define NRF_TEMP_H__
Vincent Coubard 638:c90ae1400bf2 35
Vincent Coubard 638:c90ae1400bf2 36 #include "nrf.h"
Vincent Coubard 638:c90ae1400bf2 37
Vincent Coubard 638:c90ae1400bf2 38 /**
Vincent Coubard 638:c90ae1400bf2 39 * @defgroup nrf_temperature TEMP (temperature) abstraction
Vincent Coubard 638:c90ae1400bf2 40 * @{
Vincent Coubard 638:c90ae1400bf2 41 * @ingroup nrf_drivers temperature_example
Vincent Coubard 638:c90ae1400bf2 42 * @brief Temperature module init and read functions.
Vincent Coubard 638:c90ae1400bf2 43 *
Vincent Coubard 638:c90ae1400bf2 44 */
Vincent Coubard 638:c90ae1400bf2 45
Vincent Coubard 638:c90ae1400bf2 46 /**@cond NO_DOXYGEN */
Vincent Coubard 638:c90ae1400bf2 47 #define MASK_SIGN (0x00000200UL)
Vincent Coubard 638:c90ae1400bf2 48 #define MASK_SIGN_EXTENSION (0xFFFFFC00UL)
Vincent Coubard 638:c90ae1400bf2 49
Vincent Coubard 638:c90ae1400bf2 50 /**
Vincent Coubard 638:c90ae1400bf2 51 * @brief Function for preparing the temp module for temperature measurement.
Vincent Coubard 638:c90ae1400bf2 52 *
Vincent Coubard 638:c90ae1400bf2 53 * This function initializes the TEMP module and writes to the hidden configuration register.
Vincent Coubard 638:c90ae1400bf2 54 */
Vincent Coubard 638:c90ae1400bf2 55 static __INLINE void nrf_temp_init(void)
Vincent Coubard 638:c90ae1400bf2 56 {
Vincent Coubard 638:c90ae1400bf2 57 /**@note Workaround for PAN_028 rev2.0A anomaly 31 - TEMP: Temperature offset value has to be manually loaded to the TEMP module */
Vincent Coubard 638:c90ae1400bf2 58 *(uint32_t *) 0x4000C504 = 0;
Vincent Coubard 638:c90ae1400bf2 59 }
Vincent Coubard 638:c90ae1400bf2 60
Vincent Coubard 638:c90ae1400bf2 61 /**
Vincent Coubard 638:c90ae1400bf2 62 * @brief Function for reading temperature measurement.
Vincent Coubard 638:c90ae1400bf2 63 *
Vincent Coubard 638:c90ae1400bf2 64 * The function reads the 10 bit 2's complement value and transforms it to a 32 bit 2's complement value.
Vincent Coubard 638:c90ae1400bf2 65 */
Vincent Coubard 638:c90ae1400bf2 66 static __INLINE int32_t nrf_temp_read(void)
Vincent Coubard 638:c90ae1400bf2 67 {
Vincent Coubard 638:c90ae1400bf2 68 /**@note Workaround for PAN_028 rev2.0A anomaly 28 - TEMP: Negative measured values are not represented correctly */
Vincent Coubard 638:c90ae1400bf2 69 return ((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP);
Vincent Coubard 638:c90ae1400bf2 70 }
Vincent Coubard 638:c90ae1400bf2 71 /**@endcond */
Vincent Coubard 638:c90ae1400bf2 72
Vincent Coubard 638:c90ae1400bf2 73 /** @} */
Vincent Coubard 638:c90ae1400bf2 74
Vincent Coubard 638:c90ae1400bf2 75 #endif