Nordic stack and drivers for the mbed BLE API
Dependents: Sensen-classic-v8-IAQ_copy_4
Fork of nRF51822 by
TARGET_MCU_NRF51822/sdk/source/drivers_nrf/hal/nrf_temp.h@639:7f459d371b75, 2017-11-10 (annotated)
- Committer:
- amithy
- Date:
- Fri Nov 10 20:27:44 2017 +0000
- Revision:
- 639:7f459d371b75
- Parent:
- 638:c90ae1400bf2
t
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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 |