| /** |
| ****************************************************************************** |
| * @file stm32l0xx_ll_dac.h |
| * @author MCD Application Team |
| * @brief Header file of DAC LL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* 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 0U /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 1 */ |
| #define DAC_CR_CH2_BITOFFSET 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 0x00000000U /* Register DHR12Rx channel 1 taken as reference */ |
| #define DAC_REG_DHR12L1_REGOFFSET 0x00100000U /* Register offset of DHR12Lx channel 1 versus DHR12Rx channel 1 (shifted left of 20 bits) */ |
| #define DAC_REG_DHR8R1_REGOFFSET 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 0x00030000U /* Register offset of DHR12Rx channel 2 versus DHR12Rx channel 1 (shifted left of 16 bits) */ |
| #define DAC_REG_DHR12L2_REGOFFSET 0x00400000U /* Register offset of DHR12Lx channel 2 versus DHR12Rx channel 1 (shifted left of 20 bits) */ |
| #define DAC_REG_DHR8R2_REGOFFSET 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 0x000F0000U |
| #define DAC_REG_DHR12LX_REGOFFSET_MASK 0x00F00000U |
| #define DAC_REG_DHR8RX_REGOFFSET_MASK 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 0x00000000U /* Register DORx channel 1 taken as reference */ |
| #if defined(DAC_CHANNEL2_SUPPORT) |
| #define DAC_REG_DOR2_REGOFFSET 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 0x0000000FU /* Mask of registers offset (DHR12Rx, DHR12Lx, DHR8Rx, DORx, ...) when shifted to position 0 */ |
| |
| #define DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS 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 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 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 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 16U /* Value equivalent to POSITION_VAL(DAC_DHR12RD_DACC2DHR) */ |
| #define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS 20U /* Value equivalent to POSITION_VAL(DAC_DHR12LD_DACC2DHR) */ |
| #define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS 8U /* Value equivalent to POSITION_VAL(DAC_DHR8RD_DACC2DHR) */ |
| #endif /* DAC_CHANNEL2_SUPPORT */ |
| |
| /* Miscellaneous data */ |
| #define DAC_DIGITAL_SCALE_12BITS 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__) \ |
| ((__IO 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 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 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 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 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 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 0x00000000U /*!< DAC channel resolution 12 bits */ |
| #define LL_DAC_RESOLUTION_8B 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 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 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 series, 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 series, 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__) \ |
| ((0x00000FFFU) >> ((__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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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 series, 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) |
| { |
| __IO 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 series, 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) |
| { |
| __IO 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 series, 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) |
| { |
| __IO 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 series, 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) |
| { |
| __IO 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 */ |
| |
| |
