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TARGET_TY51822R3/TOOLCHAIN_GCC_ARM/nrf_temp.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_NRF51_DONGLE/TARGET_NORDIC/TARGET_NRF5x/TARGET_SDK_11/drivers_nrf/hal/nrf_temp.h@169:a7c7b631e539 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 143:86740a56073b 1 /*
AnnaBridge 143:86740a56073b 2 * Copyright (c) 2012 Nordic Semiconductor ASA
AnnaBridge 143:86740a56073b 3 * All rights reserved.
AnnaBridge 143:86740a56073b 4 *
AnnaBridge 143:86740a56073b 5 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 143:86740a56073b 6 * are permitted provided that the following conditions are met:
AnnaBridge 143:86740a56073b 7 *
AnnaBridge 143:86740a56073b 8 * 1. Redistributions of source code must retain the above copyright notice, this list
AnnaBridge 143:86740a56073b 9 * of conditions and the following disclaimer.
AnnaBridge 143:86740a56073b 10 *
AnnaBridge 143:86740a56073b 11 * 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA
AnnaBridge 143:86740a56073b 12 * integrated circuit in a product or a software update for such product, must reproduce
AnnaBridge 143:86740a56073b 13 * the above copyright notice, this list of conditions and the following disclaimer in
AnnaBridge 143:86740a56073b 14 * the documentation and/or other materials provided with the distribution.
AnnaBridge 143:86740a56073b 15 *
AnnaBridge 143:86740a56073b 16 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be
AnnaBridge 143:86740a56073b 17 * used to endorse or promote products derived from this software without specific prior
AnnaBridge 143:86740a56073b 18 * written permission.
AnnaBridge 143:86740a56073b 19 *
AnnaBridge 143:86740a56073b 20 * 4. This software, with or without modification, must only be used with a
AnnaBridge 143:86740a56073b 21 * Nordic Semiconductor ASA integrated circuit.
AnnaBridge 143:86740a56073b 22 *
AnnaBridge 143:86740a56073b 23 * 5. Any software provided in binary or object form under this license must not be reverse
AnnaBridge 143:86740a56073b 24 * engineered, decompiled, modified and/or disassembled.
AnnaBridge 143:86740a56073b 25 *
AnnaBridge 143:86740a56073b 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
AnnaBridge 143:86740a56073b 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
AnnaBridge 143:86740a56073b 28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 143:86740a56073b 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
AnnaBridge 143:86740a56073b 30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
AnnaBridge 143:86740a56073b 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
AnnaBridge 143:86740a56073b 32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
AnnaBridge 143:86740a56073b 33 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
AnnaBridge 143:86740a56073b 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
AnnaBridge 143:86740a56073b 35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 143:86740a56073b 36 *
AnnaBridge 143:86740a56073b 37 */
AnnaBridge 143:86740a56073b 38
AnnaBridge 143:86740a56073b 39
AnnaBridge 143:86740a56073b 40 #ifndef NRF_TEMP_H__
AnnaBridge 143:86740a56073b 41 #define NRF_TEMP_H__
AnnaBridge 143:86740a56073b 42
AnnaBridge 143:86740a56073b 43 #include "nrf.h"
AnnaBridge 143:86740a56073b 44
AnnaBridge 143:86740a56073b 45 /**
AnnaBridge 143:86740a56073b 46 * @defgroup nrf_temperature TEMP (temperature) abstraction
AnnaBridge 143:86740a56073b 47 * @{
AnnaBridge 143:86740a56073b 48 * @ingroup nrf_drivers temperature_example
AnnaBridge 143:86740a56073b 49 * @brief Temperature module init and read functions.
AnnaBridge 143:86740a56073b 50 *
AnnaBridge 143:86740a56073b 51 */
AnnaBridge 143:86740a56073b 52
AnnaBridge 143:86740a56073b 53 /**@cond NO_DOXYGEN */
AnnaBridge 143:86740a56073b 54 #define MASK_SIGN (0x00000200UL)
AnnaBridge 143:86740a56073b 55 #define MASK_SIGN_EXTENSION (0xFFFFFC00UL)
AnnaBridge 143:86740a56073b 56
AnnaBridge 143:86740a56073b 57 /**
AnnaBridge 143:86740a56073b 58 * @brief Function for preparing the temp module for temperature measurement.
AnnaBridge 143:86740a56073b 59 *
AnnaBridge 143:86740a56073b 60 * This function initializes the TEMP module and writes to the hidden configuration register.
AnnaBridge 143:86740a56073b 61 */
AnnaBridge 143:86740a56073b 62 static __INLINE void nrf_temp_init(void)
AnnaBridge 143:86740a56073b 63 {
AnnaBridge 143:86740a56073b 64 /**@note Workaround for PAN_028 rev2.0A anomaly 31 - TEMP: Temperature offset value has to be manually loaded to the TEMP module */
AnnaBridge 143:86740a56073b 65 *(uint32_t *) 0x4000C504 = 0;
AnnaBridge 143:86740a56073b 66 }
AnnaBridge 143:86740a56073b 67
AnnaBridge 143:86740a56073b 68 /**
AnnaBridge 143:86740a56073b 69 * @brief Function for reading temperature measurement.
AnnaBridge 143:86740a56073b 70 *
AnnaBridge 143:86740a56073b 71 * The function reads the 10 bit 2's complement value and transforms it to a 32 bit 2's complement value.
AnnaBridge 143:86740a56073b 72 */
AnnaBridge 143:86740a56073b 73 static __INLINE int32_t nrf_temp_read(void)
AnnaBridge 143:86740a56073b 74 {
AnnaBridge 143:86740a56073b 75 /**@note Workaround for PAN_028 rev2.0A anomaly 28 - TEMP: Negative measured values are not represented correctly */
AnnaBridge 143:86740a56073b 76 return ((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP);
AnnaBridge 143:86740a56073b 77 }
AnnaBridge 143:86740a56073b 78 /**@endcond */
AnnaBridge 143:86740a56073b 79
AnnaBridge 143:86740a56073b 80 /** @} */
AnnaBridge 143:86740a56073b 81
AnnaBridge 143:86740a56073b 82 #endif