58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
|
/*
|
||
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
||
|
|
*
|
||
|
|
* The MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2017 Glenn Ruben Bakke
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "mphalport.h"
|
||
|
|
#include "hal_temp.h"
|
||
|
|
|
||
|
|
#ifdef HAL_TEMP_MODULE_ENABLED
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Function for preparing the temp module for temperature measurement.
|
||
|
|
*
|
||
|
|
* This function initializes the TEMP module and writes to the hidden configuration register.
|
||
|
|
*/
|
||
|
|
void hal_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.
|
||
|
|
*/
|
||
|
|
int32_t hal_temp_read(void)
|
||
|
|
{
|
||
|
|
hal_temp_init();
|
||
|
|
/**@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);
|
||
|
|
}
|
||
|
|
/**@endcond */
|
||
|
|
|
||
|
|
#endif // HAL_ADC_MODULE_ENABLED
|