libopencm3/include/libopencm3/stm32/l4/adc.h

100 lines
2.6 KiB
C

/** @defgroup adc_defines ADC Defines
*
* @brief <b>Defined Constants and Types for the STM32L4xx Analog to Digital
* Converter</b>
*
* @ingroup STM32L4xx_defines
*
* @version 1.0.0
*
* @date 24 Oct 2015
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2015 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/>.
*/
#ifndef LIBOPENCM3_ADC_H
#define LIBOPENCM3_ADC_H
#include <libopencm3/stm32/common/adc_common_v2.h>
#include <libopencm3/stm32/common/adc_common_v2_multi.h>
/** @defgroup adc_reg_base ADC register base addresses
* @ingroup adc_defines
*
*@{*/
#define ADC1 ADC1_BASE
#define ADC2 ADC2_BASE
#define ADC3 ADC3_BASE
/**@}*/
/** @defgroup adc_channel ADC Channel Numbers
* @ingroup adc_defines
*
*@{*/
#define ADC_CHANNEL_VREF 0
#define ADC_CHANNEL_TEMP 17
#define ADC_CHANNEL_VBAT 18
/**@}*/
/* ADC_CR Values ------------------------------------------------------------*/
/* DEEPPWD: Deep power down */
#define ADC_CR_DEEPPWD (1 << 29)
/* ADVREGEN: Voltage regulator enable bit */
#define ADC_CR_ADVREGEN (1 << 28)
/* ADC_CFGR1 Values ---------------------------------------------------------*/
/** ALIGN: Data alignment */
#define ADC_CFGR1_ALIGN (1 << 5)
/* EXTSEL[2:0]: External trigger selection for regular group */
#define ADC_CFGR1_EXTSEL_SHIFT 6
#define ADC_CFGR1_EXTSEL_MASK (0xf << ADC_CFGR1_EXTSEL_SHIFT)
#define ADC_CFGR1_EXTSEL_VAL(x) ((x) << ADC_CFGR1_EXTSEL_SHIFT)
/****************************************************************************/
/* ADC_SMPRx ADC Sample Time Selection for Channels */
/** @defgroup adc_sample ADC Sample Time Selection values
@ingroup adc_defines
@{*/
#define ADC_SMPR_SMP_2DOT5CYC 0x0
#define ADC_SMPR_SMP_6DOT5CYC 0x1
#define ADC_SMPR_SMP_12DOT5CYC 0x2
#define ADC_SMPR_SMP_24DOT5CYC 0x3
#define ADC_SMPR_SMP_47DOT5CYC 0x4
#define ADC_SMPR_SMP_92DOT5CYC 0x5
#define ADC_SMPR_SMP_247DOT5CYC 0x6
#define ADC_SMPR_SMP_640DOT5CYC 0x7
/**@}*/
BEGIN_DECLS
END_DECLS
#endif