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move components to SDK dir

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Shuanglei Tao
2025-03-03 09:06:26 +08:00
parent 20d1297e57
commit f4f4c9e60d
1021 changed files with 58 additions and 35059 deletions
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SDK/12.3.0_d7731ad/components/drivers_nrf/hal/nrf_adc.c Normal file
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/**
* Copyright (c) 2014 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/**
* @file
* @brief ADC HAL implementation
*/
#include "nrf_adc.h"
#ifdef ADC_PRESENT
/**
* @brief Function for configuring ADC.
*
* This function powers on ADC and configures it. ADC is in DISABLE state after configuration,
* so it should be enabled before using it.
*
* @param[in] config Requested configuration.
*/
void nrf_adc_configure(nrf_adc_config_t * config)
{
uint32_t config_reg = 0;
config_reg |= ((uint32_t)config->resolution << ADC_CONFIG_RES_Pos) & ADC_CONFIG_RES_Msk;
config_reg |= ((uint32_t)config->scaling << ADC_CONFIG_INPSEL_Pos) & ADC_CONFIG_INPSEL_Msk;
config_reg |= ((uint32_t)config->reference << ADC_CONFIG_REFSEL_Pos) & ADC_CONFIG_REFSEL_Msk;
if (config->reference & ADC_CONFIG_EXTREFSEL_Msk)
{
config_reg |= config->reference & ADC_CONFIG_EXTREFSEL_Msk;
}
/* select input */
nrf_adc_input_select(NRF_ADC_CONFIG_INPUT_DISABLED);
/* set new configuration keeping selected input */
NRF_ADC->CONFIG = config_reg | (NRF_ADC->CONFIG & ADC_CONFIG_PSEL_Msk);
}
/**
* @brief Blocking function for executing single ADC conversion.
*
* This function selects the desired input, starts a single conversion,
* waits for it to finish, and returns the result.
* ADC is left in STOP state, the given input is selected.
* This function does not check if ADC is initialized and powered.
*
* @param[in] input Requested input to be selected.
*
* @return Conversion result
*/
int32_t nrf_adc_convert_single(nrf_adc_config_input_t input)
{
int32_t val;
nrf_adc_input_select(input);
nrf_adc_start();
while (!nrf_adc_conversion_finished())
{
}
nrf_adc_conversion_event_clean();
val = nrf_adc_result_get();
nrf_adc_stop();
return val;
}
#endif