adc.c

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/** @addtogroup adc_file ADC peripheral API
@ingroup peripheral_apis
 
@author @htmlonly &copy; @endhtmlonly 2016 Karl Palsson <karlp@tweak.net.au>
 
 
LGPL License Terms @ref lgpl_license
 */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2016 Karl Palsson <karlp@tweak.net.au>
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <libopencm3/stm32/adc.h>
 
/**@{*/
 
/**
 * Enable the ADC Voltage regulator
 * Before any use of the ADC, the ADC Voltage regulator must be enabled.
 * You must wait up to 10uSecs afterwards before trying anything else.
 * @param[in] adc ADC block register address base
 * @sa adc_disable_regulator
 */
void adc_enable_regulator(uint32_t adc)
{
        ADC_CR(adc) |= ADC_CR_ADVREGEN;
}
 
/**
 * Disable the ADC Voltage regulator
 * You can disable the adc vreg when not in use to save power
 * @param[in] adc ADC block register address base
 * @sa adc_enable_regulator
 */
void adc_disable_regulator(uint32_t adc)
{
        ADC_CR(adc) &= ~ADC_CR_ADVREGEN;
}
 
/**@}*/