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/****************************************************************************************************
* arch/arm/src/stm32/chip/stm32_adc.h
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 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 NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER 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.
*
****************************************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_CHIP_STM32_ADC_H
#define __ARCH_ARM_SRC_STM32_CHIP_STM32_ADC_H
/****************************************************************************************************
* Included Files
****************************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/****************************************************************************************************
* Pre-processor Definitions
****************************************************************************************************/
/* Register Offsets *********************************************************************************/
#define STM32_ADC_SR_OFFSET 0x0000 /* ADC status register (32-bit) */
#define STM32_ADC_CR1_OFFSET 0x0004 /* ADC control register 1 (32-bit) */
#define STM32_ADC_CR2_OFFSET 0x0008 /* ADC control register 2 (32-bit) */
#define STM32_ADC_SMPR1_OFFSET 0x000c /* ADC sample time register 1 (32-bit) */
#define STM32_ADC_SMPR2_OFFSET 0x0010 /* ADC sample time register 2 (32-bit) */
#define STM32_ADC_JOFR1_OFFSET 0x0014 /* ADC injected channel data offset register 1 (32-bit) */
#define STM32_ADC_JOFR2_OFFSET 0x0018 /* ADC injected channel data offset register 2 (32-bit) */
#define STM32_ADC_JOFR3_OFFSET 0x001c /* ADC injected channel data offset register 3 (32-bit) */
#define STM32_ADC_JOFR4_OFFSET 0x0020 /* ADC injected channel data offset register 4 (32-bit) */
#define STM32_ADC_HTR_OFFSET 0x0024 /* ADC watchdog high threshold register (32-bit) */
#define STM32_ADC_LTR_OFFSET 0x0028 /* ADC watchdog low threshold register (32-bit) */
#define STM32_ADC_SQR1_OFFSET 0x002c /* ADC regular sequence register 1 (32-bit) */
#define STM32_ADC_SQR2_OFFSET 0x0030 /* ADC regular sequence register 2 (32-bit) */
#define STM32_ADC_SQR3_OFFSET 0x0034 /* ADC regular sequence register 3 (32-bit) */
#define STM32_ADC_JSQR_OFFSET 0x0038 /* ADC injected sequence register (32-bit) */
#define STM32_ADC_JDR1_OFFSET 0x003c /* ADC injected data register 1 (32-bit) */
#define STM32_ADC_JDR2_OFFSET 0x0040 /* ADC injected data register 1 (32-bit) */
#define STM32_ADC_JDR3_OFFSET 0x0044 /* ADC injected data register 1 (32-bit) */
#define STM32_ADC_JDR4_OFFSET 0x0048 /* ADC injected data register 1 (32-bit) */
#define STM32_ADC_DR_OFFSET 0x004c /* ADC regular data register (32-bit) */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define STM32_ADC_CSR_OFFSET 0x0000 /* Common status register */
# define STM32_ADC_CCR_OFFSET 0x0004 /* Common control register */
# define STM32_ADC_CDR_OFFSET 0x0008 /* Data register for dual and triple modes */
#endif
/* Register Addresses *******************************************************************************/
#if STM32_NADC > 0
# define STM32_ADC1_SR (STM32_ADC1_BASE+STM32_ADC_SR_OFFSET)
# define STM32_ADC1_CR1 (STM32_ADC1_BASE+STM32_ADC_CR1_OFFSET)
# define STM32_ADC1_CR2 (STM32_ADC1_BASE+STM32_ADC_CR2_OFFSET)
# define STM32_ADC1_SMPR1 (STM32_ADC1_BASE+STM32_ADC_SMPR1_OFFSET)
# define STM32_ADC1_SMPR2 (STM32_ADC1_BASE+STM32_ADC_SMPR2_OFFSET)
# define STM32_ADC1_JOFR1 (STM32_ADC1_BASE+STM32_ADC_JOFR1_OFFSET)
# define STM32_ADC1_JOFR2 (STM32_ADC1_BASE+STM32_ADC_JOFR2_OFFSET)
# define STM32_ADC1_JOFR3 (STM32_ADC1_BASE+STM32_ADC_JOFR3_OFFSET)
# define STM32_ADC1_JOFR4 (STM32_ADC1_BASE+STM32_ADC_JOFR4_OFFSET)
# define STM32_ADC1_HTR (STM32_ADC1_BASE+STM32_ADC_HTR_OFFSET)
# define STM32_ADC1_LTR (STM32_ADC1_BASE+STM32_ADC_LTR_OFFSET)
# define STM32_ADC1_SQR1 (STM32_ADC1_BASE+STM32_ADC_SQR1_OFFSET)
# define STM32_ADC1_SQR2 (STM32_ADC1_BASE+STM32_ADC_SQR2_OFFSET)
# define STM32_ADC1_SQR3 (STM32_ADC1_BASE+STM32_ADC_SQR3_OFFSET)
# define STM32_ADC1_JSQR (STM32_ADC1_BASE+STM32_ADC_JSQR_OFFSET)
# define STM32_ADC1_JDR1 (STM32_ADC1_BASE+STM32_ADC_JDR1_OFFSET)
# define STM32_ADC1_JDR2 (STM32_ADC1_BASE+STM32_ADC_JDR2_OFFSET)
# define STM32_ADC1_JDR3 (STM32_ADC1_BASE+STM32_ADC_JDR3_OFFSET)
# define STM32_ADC1_JDR4 (STM32_ADC1_BASE+STM32_ADC_JDR4_OFFSET)
# define STM32_ADC1_DR (STM32_ADC1_BASE+STM32_ADC_DR_OFFSET)
#endif
#if STM32_NADC > 1
# define STM32_ADC2_SR (STM32_ADC2_BASE+STM32_ADC_SR_OFFSET)
# define STM32_ADC2_CR1 (STM32_ADC2_BASE+STM32_ADC_CR1_OFFSET)
# define STM32_ADC2_CR2 (STM32_ADC2_BASE+STM32_ADC_CR2_OFFSET)
# define STM32_ADC2_SMPR1 (STM32_ADC2_BASE+STM32_ADC_SMPR1_OFFSET)
# define STM32_ADC2_SMPR2 (STM32_ADC2_BASE+STM32_ADC_SMPR2_OFFSET)
# define STM32_ADC2_JOFR1 (STM32_ADC2_BASE+STM32_ADC_JOFR1_OFFSET)
# define STM32_ADC2_JOFR2 (STM32_ADC2_BASE+STM32_ADC_JOFR2_OFFSET)
# define STM32_ADC2_JOFR3 (STM32_ADC2_BASE+STM32_ADC_JOFR3_OFFSET)
# define STM32_ADC2_JOFR4 (STM32_ADC2_BASE+STM32_ADC_JOFR4_OFFSET)
# define STM32_ADC2_HTR (STM32_ADC2_BASE+STM32_ADC_HTR_OFFSET)
# define STM32_ADC2_LTR (STM32_ADC2_BASE+STM32_ADC_LTR_OFFSET)
# define STM32_ADC2_SQR1 (STM32_ADC2_BASE+STM32_ADC_SQR1_OFFSET)
# define STM32_ADC2_SQR2 (STM32_ADC2_BASE+STM32_ADC_SQR2_OFFSET)
# define STM32_ADC2_SQR3 (STM32_ADC2_BASE+STM32_ADC_SQR3_OFFSET)
# define STM32_ADC2_JSQR (STM32_ADC2_BASE+STM32_ADC_JSQR_OFFSET)
# define STM32_ADC2_JDR1 (STM32_ADC2_BASE+STM32_ADC_JDR1_OFFSET)
# define STM32_ADC2_JDR2 (STM32_ADC2_BASE+STM32_ADC_JDR2_OFFSET)
# define STM32_ADC2_JDR3 (STM32_ADC2_BASE+STM32_ADC_JDR3_OFFSET)
# define STM32_ADC2_JDR4 (STM32_ADC2_BASE+STM32_ADC_JDR4_OFFSET)
# define STM32_ADC2_DR (STM32_ADC2_BASE+STM32_ADC_DR_OFFSET)
#endif
#if STM32_NADC > 2
# define STM32_ADC3_SR (STM32_ADC3_BASE+STM32_ADC_SR_OFFSET)
# define STM32_ADC3_CR1 (STM32_ADC3_BASE+STM32_ADC_CR1_OFFSET)
# define STM32_ADC3_CR2 (STM32_ADC3_BASE+STM32_ADC_CR2_OFFSET)
# define STM32_ADC3_SMPR1 (STM32_ADC3_BASE+STM32_ADC_SMPR1_OFFSET)
# define STM32_ADC3_SMPR2 (STM32_ADC3_BASE+STM32_ADC_SMPR2_OFFSET)
# define STM32_ADC3_JOFR1 (STM32_ADC3_BASE+STM32_ADC_JOFR1_OFFSET)
# define STM32_ADC3_JOFR2 (STM32_ADC3_BASE+STM32_ADC_JOFR2_OFFSET)
# define STM32_ADC3_JOFR3 (STM32_ADC3_BASE+STM32_ADC_JOFR3_OFFSET)
# define STM32_ADC3_JOFR4 (STM32_ADC3_BASE+STM32_ADC_JOFR4_OFFSET)
# define STM32_ADC3_HTR (STM32_ADC3_BASE+STM32_ADC_HTR_OFFSET)
# define STM32_ADC3_LTR (STM32_ADC3_BASE+STM32_ADC_LTR_OFFSET)
# define STM32_ADC3_SQR1 (STM32_ADC3_BASE+STM32_ADC_SQR1_OFFSET)
# define STM32_ADC3_SQR2 (STM32_ADC3_BASE+STM32_ADC_SQR2_OFFSET)
# define STM32_ADC3_SQR3 (STM32_ADC3_BASE+STM32_ADC_SQR3_OFFSET)
# define STM32_ADC3_JSQR (STM32_ADC3_BASE+STM32_ADC_JSQR_OFFSET)
# define STM32_ADC3_JDR1 (STM32_ADC3_BASE+STM32_ADC_JDR1_OFFSET)
# define STM32_ADC3_JDR2 (STM32_ADC3_BASE+STM32_ADC_JDR2_OFFSET)
# define STM32_ADC3_JDR3 (STM32_ADC3_BASE+STM32_ADC_JDR3_OFFSET)
# define STM32_ADC3_JDR4 (STM32_ADC3_BASE+STM32_ADC_JDR4_OFFSET)
# define STM32_ADC3_DR (STM32_ADC3_BASE+STM32_ADC_DR_OFFSET)
#endif
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define STM32_ADC_CSR (STM32_ADCCMN_BASE+STM32_ADC_CSR_OFFSET)
# define STM32_ADC_CCR (STM32_ADCCMN_BASE+STM32_ADC_CCR_OFFSET)
# define STM32_ADC_CDR (STM32_ADCCMN_BASE+STM32_ADC_CDR_OFFSET)
#endif
/* Register Bitfield Definitions ********************************************************************/
/* ADC status register */
#define ADC_SR_AWD (1 << 0) /* Bit 0 : Analog watchdog flag */
#define ADC_SR_EOC (1 << 1) /* Bit 1 : End of conversion */
#define ADC_SR_JEOC (1 << 2) /* Bit 2 : Injected channel end of conversion */
#define ADC_SR_JSTRT (1 << 3) /* Bit 3 : Injected channel Start flag */
#define ADC_SR_STRT (1 << 4) /* Bit 4 : Regular channel Start flag */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_SR_OVR (1 << 5) /* Bit 5 : Overrun */
#endif
/* ADC control register 1 */
#define ADC_CR1_AWDCH_SHIFT (0) /* Bits 4-0: Analog watchdog channel select bits */
#define ADC_CR1_AWDCH_MASK (0x1f << ADC_CR1_AWDCH_SHIFT)
#define ADC_CR1_EOCIE (1 << 5) /* Bit 5: Interrupt enable for EOC */
#define ADC_CR1_AWDIE (1 << 6) /* Bit 6: Analog Watchdog interrupt enable */
#define ADC_CR1_JEOCIE (1 << 7) /* Bit 7: Interrupt enable for injected channels */
#define ADC_CR1_SCAN (1 << 8) /* Bit 8: Scan mode */
#define ADC_CR1_AWDSGL (1 << 9) /* Bit 9: Enable the watchdog on a single channel in scan mode */
#define ADC_CR1_JAUTO (1 << 10) /* Bit 10: Automatic Injected Group conversion */
#define ADC_CR1_DISCEN (1 << 11) /* Bit 11: Discontinuous mode on regular channels */
#define ADC_CR1_JDISCEN (1 << 12) /* Bit 12: Discontinuous mode on injected channels */
#define ADC_CR1_DISCNUM_SHIFT (13) /* Bits 15-13: Discontinuous mode channel count */
#define ADC_CR1_DISCNUM_MASK (0x07 << ADC_CR1_DISCNUM_SHIFT)
#ifdef CONFIG_STM32_STM32F10XX
# define ADC_CR1_DUALMOD_SHIFT (16) /* Bits 19-16: Dual mode selection */
# define ADC_CR1_DUALMOD_MASK (0x0f << ADC_CR1_DUALMOD_SHIFT)
# define ADC_CR1_IND (0 << ADC_CR1_DUALMOD_SHIFT) /* 0000: Independent mode */
# define ADC_CR1_RSIS (1 << ADC_CR1_DUALMOD_SHIFT) /* 0001: Combined regular simultaneous + injected simultaneous mode */
# define ADC_CR1_RSAT (2 << ADC_CR1_DUALMOD_SHIFT) /* 0010: Combined regular simultaneous + alternate trigger mode */
# define ADC_CR1_ISFI (3 << ADC_CR1_DUALMOD_SHIFT) /* 0011: Combined injected simultaneous + fast interleaved mode */
# define ADC_CR1_ISFL (4 << ADC_CR1_DUALMOD_SHIFT) /* 0100: Combined injected simultaneous + slow Interleaved mode */
# define ADC_CR1_IS (5 << ADC_CR1_DUALMOD_SHIFT) /* 0101: Injected simultaneous mode only */
# define ADC_CR1_RS (6 << ADC_CR1_DUALMOD_SHIFT) /* 0110: Regular simultaneous mode only */
# define ADC_CR1_FI (7 << ADC_CR1_DUALMOD_SHIFT) /* 0111: Fast interleaved mode only */
# define ADC_CR1_SI (8 << ADC_CR1_DUALMOD_SHIFT) /* 1000: Slow interleaved mode only */
# define ADC_CR1_AT (9 << ADC_CR1_DUALMOD_SHIFT) /* 1001: Alternate trigger mode only */
#endif
#define ADC_CR1_JAWDEN (1 << 22) /* Bit 22: Analog watchdog enable on injected channels */
#define ADC_CR1_AWDEN (1 << 23) /* Bit 23: Analog watchdog enable on regular channels */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_CR1_RES_SHIFT (24) /* Bits 24-25: Resolution */
# define ADC_CR1_RES_MASK (3 << ADC_CR1_RES_SHIFT)
# define ADC_CR1_RES_12BIT (0 << ADC_CR1_RES_SHIFT) /* 15 ADCCLK clyes */
# define ADC_CR1_RES_10BIT (1 << ADC_CR1_RES_SHIFT) /* 13 ADCCLK clyes */
# define ADC_CR1_RES_8BIT (2 << ADC_CR1_RES_SHIFT) /* 11 ADCCLK clyes */
# define ADC_CR1_RES_6BIT (3 << ADC_CR1_RES_SHIFT) /* 9 ADCCLK clyes */
# define ADC_CR1_OVRIE (1 << 26) /* Bit 26: Overrun interrupt enable */
#endif
/* ADC control register 2 */
#define ADC_CR2_ADON (1 << 0) /* Bit 0: A/D Converter ON / OFF */
#define ADC_CR2_CONT (1 << 1) /* Bit 1: Continuous Conversion */
#ifdef CONFIG_STM32_STM32F10XX
# define ADC_CR2_CAL (1 << 2) /* Bit 2: A/D Calibration */
#endif
#define ADC_CR2_RSTCAL (1 << 3) /* Bit 3: Reset Calibration */
#define ADC_CR2_DMA (1 << 8) /* Bit 8: Direct Memory access mode */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_CR2_DDS (1 << 9) /* Bit 9: DMA disable selection (for single ADC mode) */
# define ADC_CR2_EOCS (1 << 10) /* Bit 10: End of conversion selection */
#endif
#define ADC_CR2_ALIGN (1 << 11) /* Bit 11: Data Alignment */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
/* Bits 12-15: Reserved */
# define ADC_CR2_JEXTSEL_SHIFT (16) /* Bits 16-19: External event select for injected group */
# define ADC_CR2_JEXTSEL_MASK (15 << ADC_CR2_JEXTSEL_SHIFT)
# define ADC_CR2_JEXTSEL_T1CC4 (0 << ADC_CR2_JEXTSEL_SHIFT) /* 0000: Timer 1 CC4 event */
# define ADC_CR2_JEXTSEL_T1TRGO (1 << ADC_CR2_JEXTSEL_SHIFT) /* 0001: Timer 1 TRGO event */
# define ADC_CR2_JEXTSEL_T2CC1 (2 << ADC_CR2_JEXTSEL_SHIFT) /* 0010: Timer 2 CC1 event */
# define ADC_CR2_JEXTSEL_T2TRGO (3 << ADC_CR2_JEXTSEL_SHIFT) /* 0011: Timer 2 TRGO event */
# define ADC_CR2_JEXTSEL_T3CC2 (4 << ADC_CR2_JEXTSEL_SHIFT) /* 0100: Timer 3 CC2 event */
# define ADC_CR2_JEXTSEL_T3CC4 (5 << ADC_CR2_JEXTSEL_SHIFT) /* 0101: Timer 3 CC4 event */
# define ADC_CR2_JEXTSEL_T4CC1 (6 << ADC_CR2_JEXTSEL_SHIFT) /* 0110: Timer 4 CC1 event */
# define ADC_CR2_JEXTSEL_T4CC2 (7 << ADC_CR2_JEXTSEL_SHIFT) /* 0111: Timer 4 CC2 event */
# define ADC_CR2_JEXTSEL_T4CC3 (8 << ADC_CR2_JEXTSEL_SHIFT) /* 1000: Timer 4 CC3 event */
# define ADC_CR2_JEXTSEL_T4TRGO (9 << ADC_CR2_JEXTSEL_SHIFT) /* 1001: Timer 4 TRGO event */
# define ADC_CR2_JEXTSEL_T5CC4 (10 << ADC_CR2_JEXTSEL_SHIFT) /* 1010: Timer 5 CC4 event */
# define ADC_CR2_JEXTSEL_T5TRGO (11 << ADC_CR2_JEXTSEL_SHIFT) /* 1011: Timer 5 TRGO event */
# define ADC_CR2_JEXTSEL_T8CC2 (12 << ADC_CR2_JEXTSEL_SHIFT) /* 1100: Timer 8 CC2 event */
# define ADC_CR2_JEXTSEL_T8CC3 (13 << ADC_CR2_JEXTSEL_SHIFT) /* 1101: Timer 8 CC3 event */
# define ADC_CR2_JEXTSEL_T8CC4 (14 << ADC_CR2_JEXTSEL_SHIFT) /* 1110: Timer 8 CC4 event */
# define ADC_CR2_JEXTSEL_EXTI (15 << ADC_CR2_JEXTSEL_SHIFT) /* 1111: EXTI line15 */
# define ADC_CR2_JEXTEN_SHIFT (20) /* Bits 20-21: External trigger enable for injected channels */
# define ADC_CR2_JEXTEN_MASK (3 << ADC_CR2_JEXTEN_SHIFT)
# define ADC_CR2_JEXTEN_NONE (0 << ADC_CR2_JEXTEN_SHIFT) /* 00: Trigger detection disabled */
# define ADC_CR2_JEXTEN_RISING (1 << ADC_CR2_JEXTEN_SHIFT) /* 01: Trigger detection on the rising edge */
# define ADC_CR2_JEXTEN_FALLING (2 << ADC_CR2_JEXTEN_SHIFT) /* 10: Trigger detection on the falling edge */
# define ADC_CR2_JEXTEN_BOTH (3 << ADC_CR2_JEXTEN_SHIFT) /* 11: Trigger detection on both the rising and falling edges */
# define ADC_CR2_JSWSTART (1 << 22) /* Bit 22: Start Conversion of injected channels */
/* Bit 23: Reserved, must be kept at reset value. */
# define ADC_CR2_EXTSEL_SHIFT (24) /* Bits 24-27: External Event Select for regular group */
# define ADC_CR2_EXTSEL_MASK (15 << ADC_CR2_EXTSEL_SHIFT)
# define ADC_CR2_EXTSEL_T1CC1 (0 << ADC_CR2_EXTSEL_SHIFT) /* 0000: Timer 1 CC1 event */
# define ADC_CR2_EXTSEL_T1CC2 (1 << ADC_CR2_EXTSEL_SHIFT) /* 0001: Timer 1 CC2 event */
# define ADC_CR2_EXTSEL_T1CC3 (2 << ADC_CR2_EXTSEL_SHIFT) /* 0010: Timer 1 CC3 event */
# define ADC_CR2_EXTSEL_T2CC2 (3 << ADC_CR2_EXTSEL_SHIFT) /* 0011: Timer 2 CC2 event */
# define ADC_CR2_EXTSEL_T2CC3 (4 << ADC_CR2_EXTSEL_SHIFT) /* 0100: Timer 2 CC3 event */
# define ADC_CR2_EXTSEL_T2CC4 (5 << ADC_CR2_EXTSEL_SHIFT) /* 0101: Timer 2 CC4 event */
# define ADC_CR2_EXTSEL_T2TRGO (6 << ADC_CR2_EXTSEL_SHIFT) /* 0110: Timer 2 TRGO event */
# define ADC_CR2_EXTSEL_T3CC1 (7 << ADC_CR2_EXTSEL_SHIFT) /* 0111: Timer 3 CC1 event */
# define ADC_CR2_EXTSEL_T3TRGO (8 << ADC_CR2_EXTSEL_SHIFT) /* 1000: Timer 3 TRGO event */
# define ADC_CR2_EXTSEL_T4CC4 (9 << ADC_CR2_EXTSEL_SHIFT) /* 1001: Timer 4 CC4 event */
# define ADC_CR2_EXTSEL_T5CC1 (10 << ADC_CR2_EXTSEL_SHIFT) /* 1010: Timer 5 CC1 event */
# define ADC_CR2_EXTSEL_T5CC2 (11 << ADC_CR2_EXTSEL_SHIFT) /* 1011: Timer 5 CC2 event */
# define ADC_CR2_EXTSEL_T5CC3 (12 << ADC_CR2_EXTSEL_SHIFT) /* 1100: Timer 5 CC3 event */
# define ADC_CR2_EXTSEL_T8CC1 (13 << ADC_CR2_EXTSEL_SHIFT) /* 1101: Timer 8 CC1 event */
# define ADC_CR2_EXTSEL_T8TRGO (14 << ADC_CR2_EXTSEL_SHIFT) /* 1110: Timer 8 TRGO event */
# define ADC_CR2_EXTSEL_EXTI (15 << ADC_CR2_EXTSEL_SHIFT) /* 1111: EXTI line11 */
# define ADC_CR2_EXTEN_SHIFT (28) /* Bits 28-29: External trigger enable for regular channels */
# define ADC_CR2_EXTEN_MASK (3 << ADC_CR2_EXTEN_SHIFT)
# define ADC_CR2_EXTEN_NONE (0 << ADC_CR2_EXTEN_SHIFT) /* 00: Trigger detection disabled */
# define ADC_CR2_EXTEN_RISING (1 << ADC_CR2_EXTEN_SHIFT) /* 01: Trigger detection on the rising edge */
# define ADC_CR2_EXTEN_FALLING (2 << ADC_CR2_EXTEN_SHIFT) /* 10: Trigger detection on the falling edge */
# define ADC_CR2_EXTEN_BOTH (3 << ADC_CR2_EXTEN_SHIFT) /* 11: Trigger detection on both the rising and falling edges */
# define ADC_CR2_SWSTART (1 << 30) /* Bit 30: Start Conversion of regular channels */
#else
# define ADC_CR2_JEXTSEL_SHIFT (12) /* Bits 12-14: External event select for injected group */
# define ADC_CR2_JEXTSEL_MASK (7 << ADC_CR2_JEXTSEL_SHIFT)
# define ADC_CR2_JEXTSEL_T1TRGO (0 << ADC_CR2_JEXTSEL_SHIFT) /* 000: Timer 1 TRGO event */
# define ADC_CR2_JEXTSEL_T1CC4 (1 << ADC_CR2_JEXTSEL_SHIFT) /* 001: Timer 1 CC4 event */
# define ADC_CR2_JEXTSEL_T2TRGO (2 << ADC_CR2_JEXTSEL_SHIFT) /* 010: Timer 2 TRGO event */
# define ADC_CR2_JEXTSEL_T2CC1 (3 << ADC_CR2_JEXTSEL_SHIFT) /* 011: Timer 2 CC1 event */
# define ADC_CR2_JEXTSEL_T3CC4 (4 << ADC_CR2_JEXTSEL_SHIFT) /* 100: Timer 3 CC4 event */
# define ADC_CR2_JEXTSEL_T4TRGO (5 << ADC_CR2_JEXTSEL_SHIFT) /* 101: Timer 4 TRGO event */
# define ADC_CR2_JEXTSEL_EXTI15 (6 << ADC_CR2_JEXTSEL_SHIFT) /* 110: EXTI line15 */
# define ADC_CR2_JEXTSEL_SWSTART (7 << ADC_CR2_JEXTSEL_SHIFT) /* 111: JSWSTART */
# define ADC_CR2_JEXTTRIG (1 << 15) /* Bit 15: External Trigger Conversion mode for injected channels */
# define ADC_CR2_EXTSEL_SHIFT (17) /* Bits 19-17: External Event Select for regular group */
# define ADC_CR2_EXTSEL_MASK (7 << ADC_CR2_EXTSEL_SHIFT)
# define ADC_CR2_EXTSEL_T1CC1 (0 << ADC_CR2_EXTSEL_SHIFT) /* 000: Timer 1 CC1 event */
# define ADC_CR2_EXTSEL_T1CC2 (1 << ADC_CR2_EXTSEL_SHIFT) /* 001: Timer 1 CC2 event */
# define ADC_CR2_EXTSEL_T1CC3 (2 << ADC_CR2_EXTSEL_SHIFT) /* 010: Timer 1 CC3 event */
# define ADC_CR2_EXTSEL_T2CC2 (3 << ADC_CR2_EXTSEL_SHIFT) /* 011: Timer 2 CC2 event */
# define ADC_CR2_EXTSEL_T3TRGO (4 << ADC_CR2_EXTSEL_SHIFT) /* 100: Timer 3 TRGO event */
# define ADC_CR2_EXTSEL_T4CC4 (5 << ADC_CR2_EXTSEL_SHIFT) /* 101: Timer 4 CC4 event */
# define ADC_CR2_EXTSEL_EXTI11 (6 << ADC_CR2_EXTSEL_SHIFT) /* 110: EXTI line11 */
# define ADC_CR2_EXTSEL_SWSTART (7 << ADC_CR2_EXTSEL_SHIFT) /* 111: SWSTART */
# define ADC_CR2_EXTTRIG (1 << 20) /* Bit 20: External Trigger Conversion mode for regular channels */
# define ADC_CR2_JSWSTART (1 << 21) /* Bit 21: Start Conversion of injected channels */
# define ADC_CR2_SWSTART (1 << 22) /* Bit 22: Start Conversion of regular channels */
# define ADC_CR2_TSVREFE (1 << 23) /* Bit 23: Temperature Sensor and VREFINT Enable */
#endif
/* ADC sample time register 1 */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_SMPR_3 0 /* 000: 3 cycles */
# define ADC_SMPR_15 1 /* 001: 15 cycles */
# define ADC_SMPR_28 2 /* 010: 28 cycles */
# define ADC_SMPR_56 3 /* 011: 56 cycles */
# define ADC_SMPR_84 4 /* 100: 84 cycles */
# define ADC_SMPR_112 5 /* 101: 112 cycles */
# define ADC_SMPR_144 6 /* 110: 144 cycles */
# define ADC_SMPR_480 7 /* 111: 480 cycles */
#else
# define ADC_SMPR_1p5 0 /* 000: 1.5 cycles */
# define ADC_SMPR_7p5 1 /* 001: 7.5 cycles */
# define ADC_SMPR_13p5 2 /* 010: 13.5 cycles */
# define ADC_SMPR_28p5 3 /* 011: 28.5 cycles */
# define ADC_SMPR_41p5 4 /* 100: 41.5 cycles */
# define ADC_SMPR_55p5 5 /* 101: 55.5 cycles */
# define ADC_SMPR_71p5 6 /* 110: 71.5 cycles */
# define ADC_SMPR_239p5 7 /* 111: 239.5 cycles */
#endif
#define ADC_SMPR1_SMP10_SHIFT (0) /* Bits 0-2: Channel 10 Sample time selection */
#define ADC_SMPR1_SMP10_MASK (7 << ADC_SMPR1_SMP10_SHIFT)
#define ADC_SMPR1_SMP11_SHIFT (3) /* Bits 3-5: Channel 11 Sample time selection */
#define ADC_SMPR1_SMP11_MASK (7 << ADC_SMPR1_SMP11_SHIFT)
#define ADC_SMPR1_SMP12_SHIFT (6) /* Bits 6-8: Channel 12 Sample time selection */
#define ADC_SMPR1_SMP12_MASK (7 << ADC_SMPR1_SMP12_SHIFT)
#define ADC_SMPR1_SMP13_SHIFT (9) /* Bits 9-11: Channel 13 Sample time selection */
#define ADC_SMPR1_SMP13_MASK (7 << ADC_SMPR1_SMP13_SHIFT)
#define ADC_SMPR1_SMP14_SHIFT (12) /* Bits 12-14: Channel 14 Sample time selection */
#define ADC_SMPR1_SMP14_MASK (7 << ADC_SMPR1_SMP14_SHIFT)
#define ADC_SMPR1_SMP15_SHIFT (15) /* Bits 15-17: Channel 15 Sample time selection */
#define ADC_SMPR1_SMP15_MASK (7 << ADC_SMPR1_SMP15_SHIFT)
#define ADC_SMPR1_SMP16_SHIFT (18) /* Bits 18-20: Channel 16 Sample time selection */
#define ADC_SMPR1_SMP16_MASK (7 << ADC_SMPR1_SMP16_SHIFT)
#define ADC_SMPR1_SMP17_SHIFT (21) /* Bits 21-23: Channel 17 Sample time selection */
#define ADC_SMPR1_SMP17_MASK (7 << ADC_SMPR1_SMP17_SHIFT)
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_SMPR1_SMP18_SHIFT (21) /* Bits 24-26: Channel 18 Sample time selection */
# define ADC_SMPR1_SMP18_MASK (7 << ADC_SMPR1_SMP17_SHIFT)
#endif
/* ADC sample time register 2 */
#define ADC_SMPR2_SMP0_SHIFT (0) /* Bits 2-0: Channel 0 Sample time selection */
#define ADC_SMPR2_SMP0_MASK (7 << ADC_SMPR2_SMP0_SHIFT)
#define ADC_SMPR2_SMP1_SHIFT (3) /* Bits 5-3: Channel 1 Sample time selection */
#define ADC_SMPR2_SMP1_MASK (7 << ADC_SMPR2_SMP1_SHIFT)
#define ADC_SMPR2_SMP2_SHIFT (6) /* Bits 8-6: Channel 2 Sample time selection */
#define ADC_SMPR2_SMP2_MASK (7 << ADC_SMPR2_SMP2_SHIFT)
#define ADC_SMPR2_SMP3_SHIFT (9) /* Bits 11-9: Channel 3 Sample time selection */
#define ADC_SMPR2_SMP3_MASK (7 << ADC_SMPR2_SMP3_SHIFT)
#define ADC_SMPR2_SMP4_SHIFT (12) /* Bits 14-12: Channel 4 Sample time selection */
#define ADC_SMPR2_SMP4_MASK (7 << ADC_SMPR2_SMP4_SHIFT)
#define ADC_SMPR2_SMP5_SHIFT (15) /* Bits 17-15: Channel 5 Sample time selection */
#define ADC_SMPR2_SMP5_MASK (7 << ADC_SMPR2_SMP5_SHIFT)
#define ADC_SMPR2_SMP6_SHIFT (18) /* Bits 20-18: Channel 6 Sample time selection */
#define ADC_SMPR2_SMP6_MASK (7 << ADC_SMPR2_SMP6_SHIFT)
#define ADC_SMPR2_SMP7_SHIFT (21) /* Bits 23-21: Channel 7 Sample time selection */
#define ADC_SMPR2_SMP7_MASK (7 << ADC_SMPR2_SMP7_SHIFT)
#define ADC_SMPR2_SMP8_SHIFT (24) /* Bits 26-24: Channel 8 Sample time selection */
#define ADC_SMPR2_SMP8_MASK (7 << ADC_SMPR2_SMP8_SHIFT)
#define ADC_SMPR2_SMP9_SHIFT (27) /* Bits 29-27: Channel 9 Sample time selection */
#define ADC_SMPR2_SMP9_MASK (7 << ADC_SMPR2_SMP9_SHIFT)
/* ADC injected channel data offset register 1-4 */
#define ADC_JOFR_SHIFT (0) /* Bits 11-0: Data offset for injected channel x */
#define ADC_JOFR_MASK (0x0fff << ADC_JOFR_SHIFT)
/* ADC watchdog high threshold register */
#define ADC_HTR_SHIFT (0) /* Bits 11-0: Analog watchdog high threshold */
#define ADC_HTR_MASK (0x0fff << ADC_HTR_SHIFT)
/* ADC watchdog low threshold register */
#define ADC_LTR_SHIFT (0) /* Bits 11-0: Analog watchdog low threshold */
#define ADC_LTR_MASK (0x0fff << ADC_LTR_SHIFT)
/* ADC regular sequence register 1 */
#define ADC_SQR1_SQ13_SHIFT (0) /* Bits 4-0: 13th conversion in regular sequence */
#define ADC_SQR1_SQ13_MASK (0x1f << ADC_SQR1_SQ13_SHIFT)
#define ADC_SQR1_SQ14_SHIFT (5) /* Bits 9-5: 14th conversion in regular sequence */
#define ADC_SQR1_SQ14_MASK (0x1f << ADC_SQR1_SQ14_SHIFT)
#define ADC_SQR1_SQ15_SHIFT (10) /* Bits 14-10: 15th conversion in regular sequence */
#define ADC_SQR1_SQ15_MASK (0x1f << ADC_SQR1_SQ15_SHIFT)
#define ADC_SQR1_SQ16_SHIFT (15) /* Bits 19-15: 16th conversion in regular sequence */
#define ADC_SQR1_SQ16_MASK (0x1f << ADC_SQR1_SQ16_SHIFT)
#define ADC_SQR1_L_SHIFT (20) /* Bits 23-20: Regular channel sequence length */
#define ADC_SQR1_L_MASK (0x0f << ADC_SQR1_L_SHIFT)
#define ADC_SQR1_RESERVED (0xff000000)
/* ADC regular sequence register 2 */
#define ADC_SQR2_SQ7_SHIFT (0) /* Bits 4-0: 7th conversion in regular sequence */
#define ADC_SQR2_SQ7_MASK (0x1f << ADC_SQR2_SQ7_SHIFT)
#define ADC_SQR2_SQ8_SHIFT (5) /* Bits 9-5: 8th conversion in regular sequence */
#define ADC_SQR2_SQ8_MASK (0x1f << ADC_SQR2_SQ8_SHIFT)
#define ADC_SQR2_SQ9_SHIFT (10) /* Bits 14-10: 9th conversion in regular sequence */
#define ADC_SQR2_SQ9_MASK (0x1f << ADC_SQR2_SQ9_SHIFT)
#define ADC_SQR2_SQ10_SHIFT (15) /* Bits 19-15: 10th conversion in regular sequence */
#define ADC_SQR2_SQ10_MASK (0x1f << ADC_SQR2_SQ10_SHIFT)
#define ADC_SQR2_SQ11_SHIFT (20) /* Bits 24-20: 11th conversion in regular sequence */
#define ADC_SQR2_SQ11_MASK (0x1f << ADC_SQR2_SQ11_SHIFT )
#define ADC_SQR2_SQ12_SHIFT (25) /* Bits 29-25: 12th conversion in regular sequence */
#define ADC_SQR2_SQ12_MASK (0x1f << ADC_SQR2_SQ12_SHIFT)
#define ADC_SQR2_RESERVED (0xc0000000)
/* ADC regular sequence register 3 */
#define ADC_SQR3_SQ1_SHIFT (0) /* Bits 4-0: 1st conversion in regular sequence */
#define ADC_SQR3_SQ1_MASK (0x1f << ADC_SQR3_SQ1_SHIFT)
#define ADC_SQR3_SQ2_SHIFT (5) /* Bits 9-5: 2nd conversion in regular sequence */
#define ADC_SQR3_SQ2_MASK (0x1f << ADC_SQR3_SQ2_SHIFT)
#define ADC_SQR3_SQ3_SHIFT (10) /* Bits 14-10: 3rd conversion in regular sequence */
#define ADC_SQR3_SQ3_MASK (0x1f << ADC_SQR3_SQ3_SHIFT)
#define ADC_SQR3_SQ4_SHIFT (15) /* Bits 19-15: 4th conversion in regular sequence */
#define ADC_SQR3_SQ4_MASK (0x1f << ADC_SQR3_SQ4_SHIFT)
#define ADC_SQR3_SQ5_SHIFT (20) /* Bits 24-20: 5th conversion in regular sequence */
#define ADC_SQR3_SQ5_MASK (0x1f << ADC_SQR3_SQ5_SHIFT )
#define ADC_SQR3_SQ6_SHIFT (25) /* Bits 29-25: 6th conversion in regular sequence */
#define ADC_SQR3_SQ6_MASK (0x1f << ADC_SQR3_SQ6_SHIFT)
#define ADC_SQR3_RESERVED (0xc0000000)
/* ADC injected sequence register */
#define ADC_JSQR_JSQ1_SHIFT (0) /* Bits 4-0: 1st conversion in injected sequence */
#define ADC_JSQR_JSQ1_MASK (0x1f << ADC_JSQR_JSQ1_SHIFT)
#define ADC_JSQR_JSQ2_SHIFT (5) /* Bits 9-5: 2nd conversion in injected sequence */
#define ADC_JSQR_JSQ2_MASK (0x1f << ADC_JSQR_JSQ2_SHIFT)
#define ADC_JSQR_JSQ3_SHIFT (10) /* Bits 14-10: 3rd conversion in injected sequence */
#define ADC_JSQR_JSQ3_MASK (0x1f << ADC_JSQR_JSQ3_SHIFT)
#define ADC_JSQR_JSQ4_SHIFT (15) /* Bits 19-15: 4th conversion in injected sequence */
#define ADC_JSQR_JSQ4_MASK (0x1f << ADC_JSQR_JSQ4_SHIFT)
#define ADC_JSQR_JL_SHIFT (20) /* Bits 21-20: Injected Sequence length */
#define ADC_JSQR_JL_MASK (3 << ADC_JSQR_JL_SHIFT)
/* ADC injected data register 1-4 */
#define ADC_JDR_SHIFT (0) /* Bits 15-0: Injected data */
#define ADC_JDR_MASK (0xffff << ADC_JDR_SHIFT)
/* ADC regular data register */
#define ADC_DR_DATA_SHIFT (0) /* Bits 15-0 Regular data */
#define ADC_DR_DATA_MASK (0xffff << ADC_DR_DATA_SHIFT)
#define ADC_DR_ADC2DATA_SHIFT (16) /* Bits 31-16: ADC2 data */
#define ADC_DR_ADC2DATA_MASK (0xffff << ADC_DR_ADC2DATA_SHIFT)
/* Common status register */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_CSR_AWD1 (1 << 0) /* Bit 0: Analog watchdog flag of ADC1 (copy of AWD in ADC1_SR) */
# define ADC_CSR_EOC1 (1 << 1) /* Bit 1: End of conversion of ADC1 (copy of EOC in ADC1_SR) */
# define ADC_CSR_JEOC1 (1 << 2) /* Bit 2: Injected channel end of conversion of ADC1 (copy of JEOC in ADC1_SR) */
# define ADC_CSR_JSTRT1 (1 << 3) /* Bit 3: Injected channel Start flag of ADC1 (copy of JSTRT in ADC1_SR) */
# define ADC_CSR_STRT1 (1 << 4) /* Bit 4: Regular channel Start flag of ADC1 (copy of STRT in ADC1_SR) */
# define ADC_CSR_OVR1 (1 << 5) /* Bit 5: Overrun flag of ADC1 (copy of OVR in ADC1_SR) */
/* Bits 6-7: Reserved, must be kept at reset value. */
# define ADC_CSR_AWD2 (1 << 8) /* Bit 8: Analog watchdog flag of ADC2 (copy of AWD in ADC2_SR) */
# define ADC_CSR_EOC2 (1 << 9) /* Bit 9: End of conversion of ADC2 (copy of EOC in ADC2_SR) */
# define ADC_CSR_JEOC2 (1 << 10) /* Bit 10: Injected channel end of conversion of ADC2 (copy of JEOC in ADC2_SR) */
# define ADC_CSR_JSTRT2 (1 << 11) /* Bit 11: Injected channel Start flag of ADC2 (copy of JSTRT in ADC2_SR) */
# define ADC_CSR_STRT2 (1 << 12) /* Bit 12: Regular channel Start flag of ADC2 (copy of STRT in ADC2_SR) */
# define ADC_CSR_OVR2 (1 << 13) /* Bit 13: Overrun flag of ADC2 (copy of OVR in ADC2_SR) */
/* Bits 14-15: Reserved, must be kept at reset value. */
# define ADC_CSR_AWD3 (1 << 16) /* Bit 16: ADC3 Analog watchdog flag (copy of AWD in ADC3_SR) */
# define ADC_CSR_EOC3 (1 << 17) /* Bit 17: ADC3 End of conversion (copy of EOC in ADC3_SR) */
# define ADC_CSR_JEOC3 (1 << 18) /* Bit 18: ADC3 Injected channel end of conversion (copy of JEOC in ADC3_SR) */
# define ADC_CSR_JSTRT3 (1 << 19) /* Bit 19: ADC3 Injected channel Start flag (copy of JSTRT in ADC3_SR) */
# define ADC_CSR_STRT3 (1 << 20) /* Bit 20: ADC3 Regular channel Start flag (copy of STRT in ADC3_SR). */
# define ADC_CSR_OVR3 (1 << 21) /* Bit 21: ADC3 overrun flag (copy of OVR in ADC3_SR). */
/* Bits 22-31: Reserved, must be kept at reset value. */
#endif
/* Common control register */
#if defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)
# define ADC_CCR_MULTI_SHIFT (0) /* Bits 0-4: Multi ADC mode selection */
# define ADC_CCR_MULTI_MASK (31 << ADC_CCR_MULTI_SHIFT)
# define ADC_CCR_MULTI_NONE (0 << ADC_CCR_MULTI_SHIFT) /* 00000: Independent mode */
/* 00001 to 01001: Dual mode (ADC1 and ADC2), ADC3 independent */
# define ADC_CCR_MULTI_RSISM2 (1 << ADC_CCR_MULTI_SHIFT) /* 00001: Combined regular simultaneous + injected simultaneous mode */
# define ADC_CCR_MULTI_RSATM2 (2 << ADC_CCR_MULTI_SHIFT) /* 00010: Combined regular simultaneous + alternate trigger mode */
# define ADC_CCR_MULTI_ISM2 (5 << ADC_CCR_MULTI_SHIFT) /* 00101: Injected simultaneous mode only */
# define ADC_CCR_MULTI_RSM2 (6 << ADC_CCR_MULTI_SHIFT) /* 00110: Regular simultaneous mode only */
# define ADC_CCR_MULTI_IM2 (7 << ADC_CCR_MULTI_SHIFT) /* 00111: interleaved mode only */
# define ADC_CCR_MULTI_ATM2 (9 << ADC_CCR_MULTI_SHIFT) /* 01001: Alternate trigger mode only */
/* 10001 to 11001: Triple mode (ADC1, 2 and 3) */
# define ADC_CCR_MULTI_RSISM3 (17 << ADC_CCR_MULTI_SHIFT) /* 10001: Combined regular simultaneous + injected simultaneous mode */
# define ADC_CCR_MULTI_RSATM3 (18 << ADC_CCR_MULTI_SHIFT) /* 10010: Combined regular simultaneous + alternate trigger mode */
# define ADC_CCR_MULTI_ISM3 (21 << ADC_CCR_MULTI_SHIFT) /* 10101: Injected simultaneous mode only */
# define ADC_CCR_MULTI_RSM3 (22 << ADC_CCR_MULTI_SHIFT) /* 10110: Regular simultaneous mode only */
# define ADC_CCR_MULTI_IM3 (23 << ADC_CCR_MULTI_SHIFT) /* 10111: interleaved mode only */
# define ADC_CCR_MULTI_ATM3 (25 << ADC_CCR_MULTI_SHIFT) /* 11001: Alternate trigger mode only */
/* Bits 5-7: Reserved, must be kept at reset value. */
# define ADC_CCR_DELAY_SHIFT (8) /* Bits 8-11: Delay between 2 sampling phases */
# define ADC_CCR_DELAY_MASK (15 << ADC_CCR_DELAY_SHIFT)
# define ADC_CCR_DELAY(n) (((5)-5) << ADC_CCR_DELAY_SHIFT) /* n * TADCCLK, n=5-20 */
/* Bit 12 Reserved, must be kept at reset value. */
# define ADC_CCR_DDS (1 << 13) /* Bit 13: DMA disable selection (for multi-ADC mode) */
# define ADC_CCR_DMA_SHIFT (14) /* Bits 14-15: Direct memory access mode for multi ADC mode */
# define ADC_CCR_DMA_MASK (3 << ADC_CCR_DMA_SHIFT)
# define ADC_CCR_DMA_DISABLED (0 << ADC_CCR_DMA_SHIFT) /* 00: DMA mode disabled */
# define ADC_CCR_DMA_MODE1 (1 << ADC_CCR_DMA_SHIFT) /* 01: DMA mode 1 enabled */
# define ADC_CCR_DMA_MODE2 (2 << ADC_CCR_DMA_SHIFT) /* 10: DMA mode 2 enabled */
# define ADC_CCR_DMA_MODE3 (3 << ADC_CCR_DMA_SHIFT) /* 11: DMA mode 3 enabled */
# define ADC_CCR_ADCPRE_SHIFT (16) /* Bits 16-17: ADC prescaler */
# define ADC_CCR_ADCPRE_MASK (3 << ADC_CCR_ADCPRE_SHIFT)
# define ADC_CCR_ADCPRE_DIV2 (0 << ADC_CCR_ADCPRE_SHIFT) /* 00: PCLK2 divided by 2 */
# define ADC_CCR_ADCPRE_DIV4 (1 << ADC_CCR_ADCPRE_SHIFT) /* 01: PCLK2 divided by 4 */
# define ADC_CCR_ADCPRE_DIV6 (2 << ADC_CCR_ADCPRE_SHIFT) /* 10: PCLK2 divided by 6 */
# define ADC_CCR_ADCPRE_DIV8 (3 << ADC_CCR_ADCPRE_SHIFT) /* 11: PCLK2 divided by 8 */
/* Bits 18-21: Reserved, must be kept at reset value. */
# define ADC_CCR_VBATE (1 << 22) /* Bit 22: VBAT enable */
# define ADC_CCR_TSVREFE (1 << 23) /* Bit 23: Temperature sensor and VREFINT enable */
/* Bits 24-31 Reserved, must be kept at reset value. */
#endif
/* Data register for dual and triple modes (32-bit data with no named fields) */
/****************************************************************************************************
* Public Types
****************************************************************************************************/
/****************************************************************************************************
* Public Data
****************************************************************************************************/
/****************************************************************************************************
* Public Function Prototypes
****************************************************************************************************/
#endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_ADC_H */
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