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Removed special indicator for DMA transfer error
author | Ideenmodellierer |
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date | Sun, 03 Mar 2019 19:18:51 +0100 |
parents | c78bcbd5deda |
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/** ****************************************************************************** * @file stm32f4xx_ll_dac.h * @author MCD Application Team * @brief Header file of DAC LL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 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 __STM32F4xx_LL_DAC_H #define __STM32F4xx_LL_DAC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx.h" /** @addtogroup STM32F4xx_LL_Driver * @{ */ #if defined(DAC) /** @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 */ /* 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: isolate bits with the * selected mask and shift them to the register LSB * (shift mask on register position bit 0). * @param __BITS__ Bits in register 32 bits * @param __MASK__ Mask in register 32 bits * @retval Bits in register 32 bits */ #define __DAC_MASK_SHIFT(__BITS__, __MASK__) \ (((__BITS__) & (__MASK__)) >> POSITION_VAL((__MASK__))) /** * @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_TIM8_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM8 TRGO. */ #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */ #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_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */ #define LL_DAC_TRIG_EXT_TIM5_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 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_MASK /*!< DAC channel data holding register 12 bits right aligned */ #define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits left aligned */ #define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_MASK /*!< 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 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__) \ ((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 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_TIM8_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM2_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_TIM8_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO * @arg @ref LL_DAC_TRIG_EXT_TIM2_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_MASK_SHIFT(DAC_Channel, Register)))); } /** * @} */ /** @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_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12RX_REGOFFSET_MASK)); 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_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12LX_REGOFFSET_MASK)); 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_MASK_SHIFT(DAC_Channel, DAC_REG_DHR8RX_REGOFFSET_MASK)); 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_MASK_SHIFT(DAC_Channel, DAC_REG_DORX_REGOFFSET_MASK)); 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 /* DAC */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F4xx_LL_DAC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/