mbed official
mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
Diff: targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_dac.h
- Revision:
- 158:b23ee177fd68
- Child:
- 186:707f6e361f3e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_dac.h Tue Feb 14 14:44:10 2017 +0000
@@ -0,0 +1,1436 @@
+/**
+ ******************************************************************************
+ * @file stm32l0xx_ll_dac.h
+ * @author MCD Application Team
+ * @version V1.7.0
+ * @date 31-May-2016
+ * @brief Header file of DAC LL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * 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 of STMicroelectronics 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 HOLDER 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L0xx_LL_DAC_H
+#define __STM32L0xx_LL_DAC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx.h"
+
+/** @addtogroup STM32L0xx_LL_Driver
+ * @{
+ */
+
+#if defined (DAC1)
+
+/** @defgroup DAC_LL DAC
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup DAC_LL_Private_Constants DAC Private Constants
+ * @{
+ */
+
+/* Internal masks for DAC channels definition */
+/* To select into literal LL_DAC_CHANNEL_x the relevant bits for: */
+/* - channel bits position into register CR */
+/* - channel bits position into register SWTRIG */
+/* - channel register offset of data holding register DHRx */
+/* - channel register offset of data output register DORx */
+#define DAC_CR_CH1_BITOFFSET ((uint32_t) 0U) /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 1 */
+#define DAC_CR_CH2_BITOFFSET ((uint32_t)16U) /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 2 */
+#define DAC_CR_CHX_BITOFFSET_MASK (DAC_CR_CH1_BITOFFSET | DAC_CR_CH2_BITOFFSET)
+
+#define DAC_SWTR_CH1 (DAC_SWTRIGR_SWTRIG1) /* Channel bit into register SWTRIGR of channel 1. This bit is into area of LL_DAC_CR_CHx_BITOFFSET but excluded by mask DAC_CR_CHX_BITOFFSET_MASK (done to be enable to trig SW start of both DAC channels simultaneously). */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define DAC_SWTR_CH2 (DAC_SWTRIGR_SWTRIG2) /* Channel bit into register SWTRIGR of channel 2. This bit is into area of LL_DAC_CR_CHx_BITOFFSET but excluded by mask DAC_CR_CHX_BITOFFSET_MASK (done to be enable to trig SW start of both DAC channels simultaneously). */
+#define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1 | DAC_SWTR_CH2)
+#else
+#define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1)
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+#define DAC_REG_DHR12R1_REGOFFSET ((uint32_t)0x00000000U) /* Register DHR12Rx channel 1 taken as reference */
+#define DAC_REG_DHR12L1_REGOFFSET ((uint32_t)0x00100000U) /* Register offset of DHR12Lx channel 1 versus DHR12Rx channel 1 (shifted left of 20 bits) */
+#define DAC_REG_DHR8R1_REGOFFSET ((uint32_t)0x02000000U) /* Register offset of DHR8Rx channel 1 versus DHR12Rx channel 1 (shifted left of 24 bits) */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define DAC_REG_DHR12R2_REGOFFSET ((uint32_t)0x00030000U) /* Register offset of DHR12Rx channel 2 versus DHR12Rx channel 1 (shifted left of 16 bits) */
+#define DAC_REG_DHR12L2_REGOFFSET ((uint32_t)0x00400000U) /* Register offset of DHR12Lx channel 2 versus DHR12Rx channel 1 (shifted left of 20 bits) */
+#define DAC_REG_DHR8R2_REGOFFSET ((uint32_t)0x05000000U) /* Register offset of DHR8Rx channel 2 versus DHR12Rx channel 1 (shifted left of 24 bits) */
+#endif /* DAC_CHANNEL2_SUPPORT */
+#define DAC_REG_DHR12RX_REGOFFSET_MASK ((uint32_t)0x000F0000U)
+#define DAC_REG_DHR12LX_REGOFFSET_MASK ((uint32_t)0x00F00000U)
+#define DAC_REG_DHR8RX_REGOFFSET_MASK ((uint32_t)0x0F000000U)
+#define DAC_REG_DHRX_REGOFFSET_MASK (DAC_REG_DHR12RX_REGOFFSET_MASK | DAC_REG_DHR12LX_REGOFFSET_MASK | DAC_REG_DHR8RX_REGOFFSET_MASK)
+
+#define DAC_REG_DOR1_REGOFFSET ((uint32_t)0x00000000U) /* Register DORx channel 1 taken as reference */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define DAC_REG_DOR2_REGOFFSET ((uint32_t)0x10000000U)/* Register offset of DORx channel 1 versus DORx channel 2 (shifted left of 28 bits) */
+#define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET | DAC_REG_DOR2_REGOFFSET)
+#else
+#define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET)
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+#define DAC_REG_REGOFFSET_MASK_POSBIT0 ((uint32_t)0x0000000FU) /* Mask of registers offset (DHR12Rx, DHR12Lx, DHR8Rx, DORx, ...) when shifted to position 0 */
+
+#define DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS ((uint32_t)16U) /* Position of bits register offset of DHR12Rx channel 1 or 2 versus DHR12Rx channel 1 (shifted left of 16 bits) */
+#define DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS ((uint32_t)20U) /* Position of bits register offset of DHR12Lx channel 1 or 2 versus DHR12Rx channel 1 (shifted left of 20 bits) */
+#define DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS ((uint32_t)24U) /* Position of bits register offset of DHR8Rx channel 1 or 2 versus DHR12Rx channel 1 (shifted left of 24 bits) */
+#define DAC_REG_DORX_REGOFFSET_BITOFFSET_POS ((uint32_t)28U) /* Position of bits register offset of DORx channel 1 or 2 versus DORx channel 1 (shifted left of 28 bits) */
+
+/* DAC registers bits positions */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define DAC_DHR12RD_DACC2DHR_BITOFFSET_POS ((uint32_t)16U) /* Value equivalent to POSITION_VAL(DAC_DHR12RD_DACC2DHR) */
+#define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS ((uint32_t)20U) /* Value equivalent to POSITION_VAL(DAC_DHR12LD_DACC2DHR) */
+#define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS ((uint32_t) 8U) /* Value equivalent to POSITION_VAL(DAC_DHR8RD_DACC2DHR) */
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/* Miscellaneous data */
+#define DAC_DIGITAL_SCALE_12BITS ((uint32_t)4095U) /* Full-scale digital value with a resolution of 12 bits (voltage range determined by analog voltage references Vref+ and Vref-, refer to reference manual) */
+
+/**
+ * @}
+ */
+
+
+/* Private macros ------------------------------------------------------------*/
+/** @defgroup DAC_LL_Private_Macros DAC Private Macros
+ * @{
+ */
+
+/**
+ * @brief Driver macro reserved for internal use: set a pointer to
+ * a register from a register basis from which an offset
+ * is applied.
+ * @param __REG__ Register basis from which the offset is applied.
+ * @param __REG_OFFFSET__ Offset to be applied (unit: number of registers).
+ * @retval Pointer to register address
+*/
+#define __DAC_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__) \
+ ((uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2U))))
+
+/**
+ * @}
+ */
+
+
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup DAC_LL_ES_INIT DAC Exported Init structure
+ * @{
+ */
+
+/**
+ * @brief Structure definition of some features of DAC instance.
+ */
+typedef struct
+{
+ uint32_t TriggerSource; /*!< Set the conversion trigger source for the selected DAC channel: internal (SW start) or from external IP (timer event, external interrupt line).
+ This parameter can be a value of @ref DAC_LL_EC_TRIGGER_SOURCE
+
+ This feature can be modified afterwards using unitary function @ref LL_DAC_SetTriggerSource(). */
+
+ uint32_t WaveAutoGeneration; /*!< Set the waveform automatic generation mode for the selected DAC channel.
+ This parameter can be a value of @ref DAC_LL_EC_WAVE_AUTO_GENERATION_MODE
+
+ This feature can be modified afterwards using unitary function @ref LL_DAC_SetWaveAutoGeneration(). */
+
+ uint32_t WaveAutoGenerationConfig; /*!< Set the waveform automatic generation mode for the selected DAC channel.
+ If waveform automatic generation mode is set to noise, this parameter can be a value of @ref DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS
+ If waveform automatic generation mode is set to triangle, this parameter can be a value of @ref DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE
+ @note If waveform automatic generation mode is disabled, this parameter is discarded.
+
+ This feature can be modified afterwards using unitary function @ref LL_DAC_SetWaveNoiseLFSR() or @ref LL_DAC_SetWaveTriangleAmplitude(), depending on the wave automatic generation selected. */
+
+ uint32_t OutputBuffer; /*!< Set the output buffer for the selected DAC channel.
+ This parameter can be a value of @ref DAC_LL_EC_OUTPUT_BUFFER
+
+ This feature can be modified afterwards using unitary function @ref LL_DAC_SetOutputBuffer(). */
+
+} LL_DAC_InitTypeDef;
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup DAC_LL_Exported_Constants DAC Exported Constants
+ * @{
+ */
+
+/** @defgroup DAC_LL_EC_GET_FLAG DAC flags
+ * @brief Flags defines which can be used with LL_DAC_ReadReg function
+ * @{
+ */
+/* DAC channel 1 flags */
+#define LL_DAC_FLAG_DMAUDR1 (DAC_SR_DMAUDR1) /*!< DAC channel 1 flag DMA underrun */
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/* DAC channel 2 flags */
+#define LL_DAC_FLAG_DMAUDR2 (DAC_SR_DMAUDR2) /*!< DAC channel 2 flag DMA underrun */
+#endif /* DAC_CHANNEL2_SUPPORT */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_IT DAC interruptions
+ * @brief IT defines which can be used with LL_DAC_ReadReg and LL_DAC_WriteReg functions
+ * @{
+ */
+#define LL_DAC_IT_DMAUDRIE1 (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define LL_DAC_IT_DMAUDRIE2 (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
+#endif /* DAC_CHANNEL2_SUPPORT */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_CHANNEL DAC channels
+ * @{
+ */
+#define LL_DAC_CHANNEL_1 (DAC_REG_DOR1_REGOFFSET | DAC_REG_DHR12R1_REGOFFSET | DAC_REG_DHR12L1_REGOFFSET | DAC_REG_DHR8R1_REGOFFSET | DAC_CR_CH1_BITOFFSET | DAC_SWTR_CH1) /*!< DAC channel 1 */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define LL_DAC_CHANNEL_2 (DAC_REG_DOR2_REGOFFSET | DAC_REG_DHR12R2_REGOFFSET | DAC_REG_DHR12L2_REGOFFSET | DAC_REG_DHR8R2_REGOFFSET | DAC_CR_CH2_BITOFFSET | DAC_SWTR_CH2) /*!< DAC channel 2 */
+#endif /* DAC_CHANNEL2_SUPPORT */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
+ * @{
+ */
+#define LL_DAC_TRIG_SOFTWARE (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
+#define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
+#define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. */
+#define LL_DAC_TRIG_EXT_TIM3_CH3 ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM3 CH3 event. */
+#define LL_DAC_TRIG_EXT_TIM6_TRGO ((uint32_t)0x00000000U) /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
+#define LL_DAC_TRIG_EXT_TIM7_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
+#define LL_DAC_TRIG_EXT_TIM21_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM21 TRGO. */
+#define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
+ * @{
+ */
+#define LL_DAC_WAVE_AUTO_GENERATION_NONE ((uint32_t)0x00000000U) /*!< DAC channel wave auto generation mode disabled. */
+#define LL_DAC_WAVE_AUTO_GENERATION_NOISE (DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
+#define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
+ * @{
+ */
+#define LL_DAC_NOISE_LFSR_UNMASK_BIT0 ((uint32_t)0x00000000U) /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS1_0 ( DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[1:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS2_0 ( DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[2:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS3_0 ( DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[3:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS4_0 ( DAC_CR_MAMP1_2 ) /*!< Noise wave generation, unmask LFSR bits[4:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS5_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[5:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS6_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[6:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS7_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[7:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS8_0 (DAC_CR_MAMP1_3 ) /*!< Noise wave generation, unmask LFSR bits[8:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS9_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[9:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS10_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[10:0], for the selected DAC channel */
+#define LL_DAC_NOISE_LFSR_UNMASK_BITS11_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[11:0], for the selected DAC channel */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
+ * @{
+ */
+#define LL_DAC_TRIANGLE_AMPLITUDE_1 ((uint32_t)0x00000000U) /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_3 ( DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 3 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_7 ( DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 7 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_15 ( DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 15 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_31 ( DAC_CR_MAMP1_2 ) /*!< Triangle wave generation, amplitude of 31 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_63 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 63 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_127 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 127 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_255 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 255 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_511 (DAC_CR_MAMP1_3 ) /*!< Triangle wave generation, amplitude of 512 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_1023 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 1023 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_2047 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 2047 LSB of DAC output range, for the selected DAC channel */
+#define LL_DAC_TRIANGLE_AMPLITUDE_4095 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 4095 LSB of DAC output range, for the selected DAC channel */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
+ * @{
+ */
+#define LL_DAC_OUTPUT_BUFFER_ENABLE ((uint32_t)0x00000000U) /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
+#define LL_DAC_OUTPUT_BUFFER_DISABLE (DAC_CR_BOFF1) /*!< The selected DAC channel output is not buffered: lower drive current capability, but also lower current consumption */
+/**
+ * @}
+ */
+
+
+/** @defgroup DAC_LL_EC_RESOLUTION DAC channel output resolution
+ * @{
+ */
+#define LL_DAC_RESOLUTION_12B ((uint32_t)0x00000000U) /*!< DAC channel resolution 12 bits */
+#define LL_DAC_RESOLUTION_8B ((uint32_t)0x00000002U) /*!< DAC channel resolution 8 bits */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_REGISTERS DAC registers compliant with specific purpose
+ * @{
+ */
+/* List of DAC registers intended to be used (most commonly) with */
+/* DMA transfer. */
+/* Refer to function @ref LL_DAC_DMA_GetRegAddr(). */
+#define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits right aligned */
+#define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits left aligned */
+#define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 8 bits right aligned */
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EC_HW_DELAYS Definitions of DAC hardware constraints delays
+ * @note Only DAC IP HW delays are defined in DAC LL driver driver,
+ * not timeout values.
+ * For details on delays values, refer to descriptions in source code
+ * above each literal definition.
+ * @{
+ */
+
+/* Delay for DAC channel voltage settling time from DAC channel startup */
+/* (transition from disable to enable). */
+/* Note: DAC channel startup time depends on board application environment: */
+/* impedance connected to DAC channel output. */
+/* The delay below is specified under conditions: */
+/* - voltage maximum transition (lowest to highest value) */
+/* - until voltage reaches final value +-1LSB */
+/* - DAC channel output buffer enabled */
+/* - load impedance of 5kOhm (min), 50pF (max) */
+/* Literal set to maximum value (refer to device datasheet, */
+/* parameter "tWAKEUP"). */
+/* Unit: us */
+#define LL_DAC_DELAY_STARTUP_VOLTAGE_SETTLING_US ((uint32_t) 15U) /*!< Delay for DAC channel voltage settling time from DAC channel startup (transition from disable to enable) */
+
+/* Delay for DAC channel voltage settling time. */
+/* Note: DAC channel startup time depends on board application environment: */
+/* impedance connected to DAC channel output. */
+/* The delay below is specified under conditions: */
+/* - voltage maximum transition (lowest to highest value) */
+/* - until voltage reaches final value +-1LSB */
+/* - DAC channel output buffer enabled */
+/* - load impedance of 5kOhm min, 50pF max */
+/* Literal set to maximum value (refer to device datasheet, */
+/* parameter "tSETTLING"). */
+/* Unit: us */
+#define LL_DAC_DELAY_VOLTAGE_SETTLING_US ((uint32_t) 12U) /*!< Delay for DAC channel voltage settling time */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
+ * @{
+ */
+
+/** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
+ * @{
+ */
+
+/**
+ * @brief Write a value in DAC register
+ * @param __INSTANCE__ DAC Instance
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+
+/**
+ * @brief Read a value in DAC register
+ * @param __INSTANCE__ DAC Instance
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
+ * @{
+ */
+
+/**
+ * @brief Helper macro to get DAC channel number in decimal format
+ * from literals LL_DAC_CHANNEL_x.
+ * Example:
+ * __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
+ * will return decimal number "1".
+ * @note The input can be a value from functions where a channel
+ * number is returned.
+ * @param __CHANNEL__ This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval 1...2 (value "2" depending on DAC channel 2 availability)
+ */
+#define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__) \
+ ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
+
+/**
+ * @brief Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
+ * from number in decimal format.
+ * Example:
+ * __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
+ * will return a data equivalent to "LL_DAC_CHANNEL_1".
+ * @note If the input parameter does not correspond to a DAC channel,
+ * this macro returns value '0'.
+ * @param __DECIMAL_NB__ 1...2 (value "2" depending on DAC channel 2 availability)
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ */
+#if defined(DAC_CHANNEL2_SUPPORT)
+#define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
+ (((__DECIMAL_NB__) == 1U) \
+ ? ( \
+ LL_DAC_CHANNEL_1 \
+ ) \
+ : \
+ (((__DECIMAL_NB__) == 2U) \
+ ? ( \
+ LL_DAC_CHANNEL_2 \
+ ) \
+ : \
+ ( \
+ 0 \
+ ) \
+ ) \
+ )
+#else
+#define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
+ (((__DECIMAL_NB__) == 1U) \
+ ? ( \
+ LL_DAC_CHANNEL_1 \
+ ) \
+ : \
+ ( \
+ 0 \
+ ) \
+ )
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @brief Helper macro to define the DAC conversion data full-scale digital
+ * value corresponding to the selected DAC resolution.
+ * @note DAC conversion data full-scale corresponds to voltage range
+ * determined by analog voltage references Vref+ and Vref-
+ * (refer to reference manual).
+ * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
+ * @arg @ref LL_DAC_RESOLUTION_12B
+ * @arg @ref LL_DAC_RESOLUTION_8B
+ * @retval ADC conversion data equivalent voltage value (unit: mVolt)
+ */
+#define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
+ (((uint32_t)0xFFFU) >> ((__DAC_RESOLUTION__) << 1U))
+
+/**
+ * @brief Helper macro to calculate the DAC conversion data (unit: digital
+ * value) corresponding to a voltage (unit: mVolt).
+ * @note This helper macro is intended to provide input data in voltage
+ * rather than digital value,
+ * to be used with LL DAC functions such as
+ * @ref LL_DAC_ConvertData12RightAligned().
+ * @note Analog reference voltage (Vref+) must be either known from
+ * user board environment or can be calculated using ADC measurement
+ * and ADC helper macro @ref __LL_ADC_CALC_VREFANALOG_VOLTAGE().
+ * @param __VREFANALOG_VOLTAGE__ Analog reference voltage (unit: mV)
+ * @param __DAC_VOLTAGE__ Voltage to be generated by DAC channel
+ * (unit: mVolt).
+ * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
+ * @arg @ref LL_DAC_RESOLUTION_12B
+ * @arg @ref LL_DAC_RESOLUTION_8B
+ * @retval DAC conversion data (unit: digital value)
+ */
+#define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__,\
+ __DAC_VOLTAGE__,\
+ __DAC_RESOLUTION__) \
+ ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
+ / (__VREFANALOG_VOLTAGE__) \
+ )
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
+ * @{
+ */
+/** @defgroup DAC_LL_EF_Configuration Configuration of DAC channels
+ * @{
+ */
+
+/**
+ * @brief Set the conversion trigger source for the selected DAC channel.
+ * @note For conversion trigger source to be effective, DAC trigger
+ * must be enabled using function @ref LL_DAC_EnableTrigger().
+ * @note To set conversion trigger source, DAC channel must be disabled.
+ * Otherwise, the setting is discarded.
+ * @note Availability of parameters of trigger sources from timer
+ * depends on timers availability on the selected device.
+ * @rmtoll CR TSEL1 LL_DAC_SetTriggerSource\n
+ * CR TSEL2 LL_DAC_SetTriggerSource
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param TriggerSource This parameter can be one of the following values:
+ * @arg @ref LL_DAC_TRIG_SOFTWARE
+ * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM3_CH3
+ * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM21_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_SetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriggerSource)
+{
+ MODIFY_REG(DACx->CR,
+ DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
+ TriggerSource << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get the conversion trigger source for the selected DAC channel.
+ * @note For conversion trigger source to be effective, DAC trigger
+ * must be enabled using function @ref LL_DAC_EnableTrigger().
+ * @note Availability of parameters of trigger sources from timer
+ * depends on timers availability on the selected device.
+ * @rmtoll CR TSEL1 LL_DAC_GetTriggerSource\n
+ * CR TSEL2 LL_DAC_GetTriggerSource
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_TRIG_SOFTWARE
+ * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM3_CH3
+ * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_TIM21_TRGO
+ * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
+ */
+__STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
+ );
+}
+
+/**
+ * @brief Set the waveform automatic generation mode
+ * for the selected DAC channel.
+ * @rmtoll CR WAVE1 LL_DAC_SetWaveAutoGeneration\n
+ * CR WAVE2 LL_DAC_SetWaveAutoGeneration
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param WaveAutoGeneration This parameter can be one of the following values:
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
+{
+ MODIFY_REG(DACx->CR,
+ DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
+ WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get the waveform automatic generation mode
+ * for the selected DAC channel.
+ * @rmtoll CR WAVE1 LL_DAC_GetWaveAutoGeneration\n
+ * CR WAVE2 LL_DAC_GetWaveAutoGeneration
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
+ * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
+ */
+__STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
+ );
+}
+
+/**
+ * @brief Set the noise waveform generation for the selected DAC channel:
+ * Noise mode and parameters LFSR (linear feedback shift register).
+ * @note For wave generation to be effective, DAC channel
+ * wave generation mode must be enabled using
+ * function @ref LL_DAC_SetWaveAutoGeneration().
+ * @note This setting can be set when the selected DAC channel is disabled
+ * (otherwise, the setting operation is ignored).
+ * @rmtoll CR MAMP1 LL_DAC_SetWaveNoiseLFSR\n
+ * CR MAMP2 LL_DAC_SetWaveNoiseLFSR
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param NoiseLFSRMask This parameter can be one of the following values:
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
+{
+ MODIFY_REG(DACx->CR,
+ DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
+ NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Set the noise waveform generation for the selected DAC channel:
+ * Noise mode and parameters LFSR (linear feedback shift register).
+ * @rmtoll CR MAMP1 LL_DAC_GetWaveNoiseLFSR\n
+ * CR MAMP2 LL_DAC_GetWaveNoiseLFSR
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
+ * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
+ */
+__STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
+ );
+}
+
+/**
+ * @brief Set the triangle waveform generation for the selected DAC channel:
+ * triangle mode and amplitude.
+ * @note For wave generation to be effective, DAC channel
+ * wave generation mode must be enabled using
+ * function @ref LL_DAC_SetWaveAutoGeneration().
+ * @note This setting can be set when the selected DAC channel is disabled
+ * (otherwise, the setting operation is ignored).
+ * @rmtoll CR MAMP1 LL_DAC_SetWaveTriangleAmplitude\n
+ * CR MAMP2 LL_DAC_SetWaveTriangleAmplitude
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param TriangleAmplitude This parameter can be one of the following values:
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriangleAmplitude)
+{
+ MODIFY_REG(DACx->CR,
+ DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
+ TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Set the triangle waveform generation for the selected DAC channel:
+ * triangle mode and amplitude.
+ * @rmtoll CR MAMP1 LL_DAC_GetWaveTriangleAmplitude\n
+ * CR MAMP2 LL_DAC_GetWaveTriangleAmplitude
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
+ * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
+ */
+__STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
+ );
+}
+
+/**
+ * @brief Set the output buffer for the selected DAC channel.
+ * @rmtoll CR BOFF1 LL_DAC_SetOutputBuffer\n
+ * CR BOFF2 LL_DAC_SetOutputBuffer
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param OutputBuffer This parameter can be one of the following values:
+ * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
+ * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
+{
+ MODIFY_REG(DACx->CR,
+ DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
+ OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get the output buffer state for the selected DAC channel.
+ * @rmtoll CR BOFF1 LL_DAC_GetOutputBuffer\n
+ * CR BOFF2 LL_DAC_GetOutputBuffer
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
+ * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
+ */
+__STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
+ );
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EF_DMA_Management DMA Management
+ * @{
+ */
+
+/**
+ * @brief Enable DAC DMA transfer request of the selected channel.
+ * @note To configure DMA source address (peripheral address),
+ * use function @ref LL_DAC_DMA_GetRegAddr().
+ * @rmtoll CR DMAEN1 LL_DAC_EnableDMAReq\n
+ * CR DMAEN2 LL_DAC_EnableDMAReq
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ SET_BIT(DACx->CR,
+ DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Disable DAC DMA transfer request of the selected channel.
+ * @note To configure DMA source address (peripheral address),
+ * use function @ref LL_DAC_DMA_GetRegAddr().
+ * @rmtoll CR DMAEN1 LL_DAC_DisableDMAReq\n
+ * CR DMAEN2 LL_DAC_DisableDMAReq
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ CLEAR_BIT(DACx->CR,
+ DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get DAC DMA transfer request state of the selected channel.
+ * (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
+ * @rmtoll CR DMAEN1 LL_DAC_IsDMAReqEnabled\n
+ * CR DMAEN2 LL_DAC_IsDMAReqEnabled
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (READ_BIT(DACx->CR,
+ DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
+}
+
+/**
+ * @brief Function to help to configure DMA transfer to DAC: retrieve the
+ * DAC register address from DAC instance and a list of DAC registers
+ * intended to be used (most commonly) with DMA transfer.
+ * @note These DAC registers are data holding registers:
+ * when DAC conversion is requested, DAC generates a DMA transfer
+ * request to have data available in DAC data holding registers.
+ * @note This macro is intended to be used with LL DMA driver, refer to
+ * function "LL_DMA_ConfigAddresses()".
+ * Example:
+ * LL_DMA_ConfigAddresses(DMA1,
+ * LL_DMA_CHANNEL_1,
+ * (uint32_t)&< array or variable >,
+ * LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1, LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
+ * LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
+ * @rmtoll DHR12R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
+ * DHR12L1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
+ * DHR8R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
+ * DHR12R2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
+ * DHR12L2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
+ * DHR8R2 DACC2DHR LL_DAC_DMA_GetRegAddr
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param Register This parameter can be one of the following values:
+ * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
+ * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
+ * @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
+ * @retval DAC register address
+ */
+__STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
+{
+ /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on */
+ /* DAC channel selected. */
+ return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, ((DAC_Channel >> Register) & DAC_REG_REGOFFSET_MASK_POSBIT0))));
+}
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EF_Operation Operation on DAC channels
+ * @{
+ */
+
+/**
+ * @brief Enable DAC selected channel.
+ * @rmtoll CR EN1 LL_DAC_Enable\n
+ * CR EN2 LL_DAC_Enable
+ * @note After enable from off state, DAC channel requires a delay
+ * for output voltage to reach accuracy +/- 1 LSB.
+ * Refer to device datasheet, parameter "tWAKEUP".
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ SET_BIT(DACx->CR,
+ DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Disable DAC selected channel.
+ * @rmtoll CR EN1 LL_DAC_Disable\n
+ * CR EN2 LL_DAC_Disable
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ CLEAR_BIT(DACx->CR,
+ DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get DAC enable state of the selected channel.
+ * (0: DAC channel is disabled, 1: DAC channel is enabled)
+ * @rmtoll CR EN1 LL_DAC_IsEnabled\n
+ * CR EN2 LL_DAC_IsEnabled
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (READ_BIT(DACx->CR,
+ DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
+}
+
+/**
+ * @brief Enable DAC trigger of the selected channel.
+ * @note - If DAC trigger is disabled, DAC conversion is performed
+ * automatically once the data holding register is updated,
+ * using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
+ * @ref LL_DAC_ConvertData12RightAligned(), ...
+ * - If DAC trigger is enabled, DAC conversion is performed
+ * only when a hardware of software trigger event is occurring.
+ * Select trigger source using
+ * function @ref LL_DAC_SetTriggerSource().
+ * @rmtoll CR TEN1 LL_DAC_EnableTrigger\n
+ * CR TEN2 LL_DAC_EnableTrigger
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ SET_BIT(DACx->CR,
+ DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Disable DAC trigger of the selected channel.
+ * @rmtoll CR TEN1 LL_DAC_DisableTrigger\n
+ * CR TEN2 LL_DAC_DisableTrigger
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ CLEAR_BIT(DACx->CR,
+ DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
+}
+
+/**
+ * @brief Get DAC trigger state of the selected channel.
+ * (0: DAC trigger is disabled, 1: DAC trigger is enabled)
+ * @rmtoll CR TEN1 LL_DAC_IsTriggerEnabled\n
+ * CR TEN2 LL_DAC_IsTriggerEnabled
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ return (READ_BIT(DACx->CR,
+ DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
+ == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
+}
+
+/**
+ * @brief Trig DAC conversion by software for the selected DAC channel.
+ * @note Preliminarily, DAC trigger must be set to software trigger
+ * using function @ref LL_DAC_SetTriggerSource()
+ * with parameter "LL_DAC_TRIGGER_SOFTWARE".
+ * and DAC trigger must be enabled using
+ * function @ref LL_DAC_EnableTrigger().
+ * @note For devices featuring DAC with 2 channels: this function
+ * can perform a SW start of both DAC channels simultaneously.
+ * Two channels can be selected as parameter.
+ * Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
+ * @rmtoll SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion\n
+ * SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can a combination of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ SET_BIT(DACx->SWTRIGR,
+ (DAC_Channel & DAC_SWTR_CHX_MASK));
+}
+
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 12 bits left alignment (LSB aligned on bit 0),
+ * for the selected DAC channel.
+ * @rmtoll DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned\n
+ * DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
+{
+ register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS) & DAC_REG_REGOFFSET_MASK_POSBIT0);
+
+ MODIFY_REG(*preg,
+ DAC_DHR12R1_DACC1DHR,
+ Data);
+}
+
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 12 bits left alignment (MSB aligned on bit 15),
+ * for the selected DAC channel.
+ * @rmtoll DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned\n
+ * DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
+{
+ register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS) & DAC_REG_REGOFFSET_MASK_POSBIT0);
+
+ MODIFY_REG(*preg,
+ DAC_DHR12L1_DACC1DHR,
+ Data);
+}
+
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 8 bits left alignment (LSB aligned on bit 0),
+ * for the selected DAC channel.
+ * @rmtoll DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned\n
+ * DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
+{
+ register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS) & DAC_REG_REGOFFSET_MASK_POSBIT0);
+
+ MODIFY_REG(*preg,
+ DAC_DHR8R1_DACC1DHR,
+ Data);
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 12 bits left alignment (LSB aligned on bit 0),
+ * for both DAC channels.
+ * @rmtoll DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned\n
+ * DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned
+ * @param DACx DAC instance
+ * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
+{
+ MODIFY_REG(DACx->DHR12RD,
+ (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
+ ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
+}
+
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 12 bits left alignment (MSB aligned on bit 15),
+ * for both DAC channels.
+ * @rmtoll DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned\n
+ * DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned
+ * @param DACx DAC instance
+ * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
+{
+ /* Note: Data of DAC channel 2 shift value subtracted of 4 because */
+ /* data on 16 bits and DAC channel 2 bits field is on the 12 MSB, */
+ /* the 4 LSB must be taken into account for the shift value. */
+ MODIFY_REG(DACx->DHR12LD,
+ (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
+ ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
+}
+
+/**
+ * @brief Set the data to be loaded in the data holding register
+ * in format 8 bits left alignment (LSB aligned on bit 0),
+ * for both DAC channels.
+ * @rmtoll DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned\n
+ * DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned
+ * @param DACx DAC instance
+ * @param DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
+ * @param DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
+{
+ MODIFY_REG(DACx->DHR8RD,
+ (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
+ ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
+}
+
+#endif /* DAC_CHANNEL2_SUPPORT */
+/**
+ * @brief Retrieve output data currently generated for the selected DAC channel.
+ * @note Whatever alignment and resolution settings
+ * (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
+ * @ref LL_DAC_ConvertData12RightAligned(), ...),
+ * output data format is 12 bits right aligned (LSB aligned on bit 0).
+ * @rmtoll DOR1 DACC1DOR LL_DAC_RetrieveOutputData\n
+ * DOR2 DACC2DOR LL_DAC_RetrieveOutputData
+ * @param DACx DAC instance
+ * @param DAC_Channel This parameter can be one of the following values:
+ * @arg @ref LL_DAC_CHANNEL_1
+ * @arg @ref LL_DAC_CHANNEL_2 (1)
+ *
+ * (1) On this STM32 serie, parameter not available on all devices.
+ * Refer to device datasheet for channels availability.
+ * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
+ */
+__STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(DAC_TypeDef *DACx, uint32_t DAC_Channel)
+{
+ register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, (DAC_Channel >> DAC_REG_DORX_REGOFFSET_BITOFFSET_POS) & DAC_REG_REGOFFSET_MASK_POSBIT0);
+
+ return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
+ * @{
+ */
+/**
+ * @brief Get DAC underrun flag for DAC channel 1
+ * @rmtoll SR DMAUDR1 LL_DAC_IsActiveFlag_DMAUDR1
+ * @param DACx DAC instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(DAC_TypeDef *DACx)
+{
+ return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1));
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Get DAC underrun flag for DAC channel 2
+ * @rmtoll SR DMAUDR2 LL_DAC_IsActiveFlag_DMAUDR2
+ * @param DACx DAC instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(DAC_TypeDef *DACx)
+{
+ return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2));
+}
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @brief Clear DAC underrun flag for DAC channel 1
+ * @rmtoll SR DMAUDR1 LL_DAC_ClearFlag_DMAUDR1
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
+{
+ WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Clear DAC underrun flag for DAC channel 2
+ * @rmtoll SR DMAUDR2 LL_DAC_ClearFlag_DMAUDR2
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
+{
+ WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
+}
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @}
+ */
+
+/** @defgroup DAC_LL_EF_IT_Management IT management
+ * @{
+ */
+
+/**
+ * @brief Enable DMA underrun interrupt for DAC channel 1
+ * @rmtoll CR DMAUDRIE1 LL_DAC_EnableIT_DMAUDR1
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
+{
+ SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Enable DMA underrun interrupt for DAC channel 2
+ * @rmtoll CR DMAUDRIE2 LL_DAC_EnableIT_DMAUDR2
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
+{
+ SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
+}
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @brief Disable DMA underrun interrupt for DAC channel 1
+ * @rmtoll CR DMAUDRIE1 LL_DAC_DisableIT_DMAUDR1
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
+{
+ CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Disable DMA underrun interrupt for DAC channel 2
+ * @rmtoll CR DMAUDRIE2 LL_DAC_DisableIT_DMAUDR2
+ * @param DACx DAC instance
+ * @retval None
+ */
+__STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
+{
+ CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
+}
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @brief Get DMA underrun interrupt for DAC channel 1
+ * @rmtoll CR DMAUDRIE1 LL_DAC_IsEnabledIT_DMAUDR1
+ * @param DACx DAC instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(DAC_TypeDef *DACx)
+{
+ return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1));
+}
+
+#if defined(DAC_CHANNEL2_SUPPORT)
+/**
+ * @brief Get DMA underrun interrupt for DAC channel 2
+ * @rmtoll CR DMAUDRIE2 LL_DAC_IsEnabledIT_DMAUDR2
+ * @param DACx DAC instance
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(DAC_TypeDef *DACx)
+{
+ return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2));
+}
+#endif /* DAC_CHANNEL2_SUPPORT */
+
+/**
+ * @}
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
+ * @{
+ */
+
+ErrorStatus LL_DAC_DeInit(DAC_TypeDef* DACx);
+ErrorStatus LL_DAC_Init(DAC_TypeDef* DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef* DAC_InitStruct);
+void LL_DAC_StructInit(LL_DAC_InitTypeDef* DAC_InitStruct);
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* DAC1 */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L0xx_LL_DAC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
