For with fix for disconnection notifications
Fork of nRF51822 by
nordic/nrf-sdk/nrf_temp.h
- Committer:
- janekm
- Date:
- 2014-09-03
- Revision:
- 61:057be2a0cd38
- Parent:
- 37:c29c330d942c
File content as of revision 61:057be2a0cd38:
/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved. * * The information contained herein is property of Nordic Semiconductor ASA. * Terms and conditions of usage are described in detail in NORDIC * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. * * Licensees are granted free, non-transferable use of the information. NO * WARRANTY of ANY KIND is provided. This heading must NOT be removed from * the file. * */ #ifndef NRF_TEMP_H__ #define NRF_TEMP_H__ #include "nrf51.h" /** * @defgroup nrf_temperature TEMP (temperature) abstraction * @{ * @ingroup nrf_drivers temperature_example * @brief Temperature module init and read functions. * */ /** * @brief Function for preparing the temp module for temperature measurement. * * This function initializes the TEMP module and writes to the hidden configuration register. * * @param none */ 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; } #define MASK_SIGN (0x00000200UL) #define MASK_SIGN_EXTENSION (0xFFFFFC00UL) /** * @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. * * @param none */ 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) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP); } /** @} */ #endif