2018-04-28 21:12:27 +00:00

90 lines
2.4 KiB
C

/** @defgroup adc_defines ADC Defines
*
* @brief <b>Defined Constants and Types for the STM32L0xx Analog to Digital
* Converter</b>
*
* @ingroup STM32L0xx_defines
*
* @version 1.0.0
*
* @date 16 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_single.h>
/** @defgroup adc_reg_base ADC register base addresses
* @ingroup adc_defines
*
*@{*/
#define ADC1 ADC1_BASE
/**@}*/
/** @defgroup adc_channel ADC Channel Numbers
* @ingroup adc_defines
*
*@{*/
#define ADC_CHANNEL_VLCD 16
#define ADC_CHANNEL_VREF 17
#define ADC_CHANNEL_TEMP 18
/**@}*/
/* Calibration Factors */
#define ADC_CALFACT(adc) MMIO32((adc) + 0xB4)
/* Register values */
/* ADC_CFGR2 Values ---------------------------------------------------------*/
#define ADC_CFGR2_CKMODE_SHIFT 30
#define ADC_CFGR2_CKMODE (3 << ADC_CFGR2_CKMODE_SHIFT)
#define ADC_CFGR2_CKMODE_CK_ADC (0 << ADC_CFGR2_CKMODE_SHIFT)
#define ADC_CFGR2_CKMODE_PCLK_DIV2 (1 << ADC_CFGR2_CKMODE_SHIFT)
#define ADC_CFGR2_CKMODE_PCLK_DIV4 (2 << ADC_CFGR2_CKMODE_SHIFT)
#define ADC_CFGR2_CKMODE_PCLK (3 << ADC_CFGR2_CKMODE_SHIFT)
/** @defgroup adc_sample_rg ADC Sample Time Selection for All Channels
@ingroup adc_defines
@{*/
#define ADC_SMPR_SMP_1DOT5CYC 0x0
#define ADC_SMPR_SMP_3DOT5CYC 0x1
#define ADC_SMPR_SMP_7DOT5CYC 0x2
#define ADC_SMPR_SMP_12DOT5CYC 0x3
#define ADC_SMPR_SMP_19DOT5CYC 0x4
#define ADC_SMPR_SMP_39DOT5CYC 0x5
#define ADC_SMPR_SMP_79DOT5CYC 0x6
#define ADC_SMPR_SMP_160DOT5CYC 0x7
/**@}*/
BEGIN_DECLS
END_DECLS
#endif