| /** |
| ****************************************************************************** |
| * @file stm32f4xx_ll_dac.c |
| * @author MCD Application Team |
| * @brief DAC LL module driver |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© Copyright (c) 2017 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * This software component is licensed by ST under BSD 3-Clause license, |
| * the "License"; You may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at: |
| * opensource.org/licenses/BSD-3-Clause |
| * |
| ****************************************************************************** |
| */ |
| #if defined(USE_FULL_LL_DRIVER) |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32f4xx_ll_dac.h" |
| #include "stm32f4xx_ll_bus.h" |
| |
| #ifdef USE_FULL_ASSERT |
| #include "stm32_assert.h" |
| #else |
| #define assert_param(expr) ((void)0U) |
| #endif |
| |
| /** @addtogroup STM32F4xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined(DAC) |
| |
| /** @addtogroup DAC_LL DAC |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /* Private macros ------------------------------------------------------------*/ |
| |
| /** @addtogroup DAC_LL_Private_Macros |
| * @{ |
| */ |
| |
| #if defined(DAC_CHANNEL2_SUPPORT) |
| #define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__) \ |
| ( \ |
| ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1) \ |
| || ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_2) \ |
| ) |
| #else |
| #define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__) \ |
| ( \ |
| ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1) \ |
| ) |
| #endif /* DAC_CHANNEL2_SUPPORT */ |
| |
| #define IS_LL_DAC_TRIGGER_SOURCE(__TRIGGER_SOURCE__) \ |
| ( ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_SOFTWARE) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM2_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM4_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM5_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM6_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM7_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM8_TRGO) \ |
| || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_EXTI_LINE9) \ |
| ) |
| |
| #define IS_LL_DAC_WAVE_AUTO_GENER_MODE(__WAVE_AUTO_GENERATION_MODE__) \ |
| ( ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NONE) \ |
| || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NOISE) \ |
| || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE) \ |
| ) |
| |
| #define IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(__WAVE_AUTO_GENERATION_CONFIG__) \ |
| ( ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BIT0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS1_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS2_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS3_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS4_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS5_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS6_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS7_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS8_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS9_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS10_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS11_0) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_3) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_7) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_15) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_31) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_63) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_127) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_255) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_511) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1023) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_2047) \ |
| || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_4095) \ |
| ) |
| |
| #define IS_LL_DAC_OUTPUT_BUFFER(__OUTPUT_BUFFER__) \ |
| ( ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_ENABLE) \ |
| || ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_DISABLE) \ |
| ) |
| |
| /** |
| * @} |
| */ |
| |
| |
| /* Private function prototypes -----------------------------------------------*/ |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup DAC_LL_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup DAC_LL_EF_Init |
| * @{ |
| */ |
| |
| /** |
| * @brief De-initialize registers of the selected DAC instance |
| * to their default reset values. |
| * @param DACx DAC instance |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: DAC registers are de-initialized |
| * - ERROR: not applicable |
| */ |
| ErrorStatus LL_DAC_DeInit(DAC_TypeDef *DACx) |
| { |
| /* Check the parameters */ |
| assert_param(IS_DAC_ALL_INSTANCE(DACx)); |
| |
| /* Force reset of DAC1 clock */ |
| LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_DAC1); |
| |
| /* Release reset of DAC1 clock */ |
| LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_DAC1); |
| return SUCCESS; |
| } |
| |
| /** |
| * @brief Initialize some features of DAC instance. |
| * @note The setting of these parameters by function @ref LL_DAC_Init() |
| * is conditioned to DAC state: |
| * DAC instance must be disabled. |
| * @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 DAC_InitStruct Pointer to a @ref LL_DAC_InitTypeDef structure |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: DAC registers are initialized |
| * - ERROR: DAC registers are not initialized |
| */ |
| ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef *DAC_InitStruct) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the parameters */ |
| assert_param(IS_DAC_ALL_INSTANCE(DACx)); |
| assert_param(IS_LL_DAC_CHANNEL(DACx, DAC_Channel)); |
| assert_param(IS_LL_DAC_TRIGGER_SOURCE(DAC_InitStruct->TriggerSource)); |
| assert_param(IS_LL_DAC_OUTPUT_BUFFER(DAC_InitStruct->OutputBuffer)); |
| assert_param(IS_LL_DAC_WAVE_AUTO_GENER_MODE(DAC_InitStruct->WaveAutoGeneration)); |
| if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE) |
| { |
| assert_param(IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(DAC_InitStruct->WaveAutoGenerationConfig)); |
| } |
| |
| /* Note: Hardware constraint (refer to description of this function) */ |
| /* DAC instance must be disabled. */ |
| if(LL_DAC_IsEnabled(DACx, DAC_Channel) == 0U) |
| { |
| /* Configuration of DAC channel: */ |
| /* - TriggerSource */ |
| /* - WaveAutoGeneration */ |
| /* - OutputBuffer */ |
| if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE) |
| { |
| MODIFY_REG(DACx->CR, |
| ( DAC_CR_TSEL1 |
| | DAC_CR_WAVE1 |
| | DAC_CR_MAMP1 |
| | DAC_CR_BOFF1 |
| ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
| , |
| ( DAC_InitStruct->TriggerSource |
| | DAC_InitStruct->WaveAutoGeneration |
| | DAC_InitStruct->WaveAutoGenerationConfig |
| | DAC_InitStruct->OutputBuffer |
| ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
| ); |
| } |
| else |
| { |
| MODIFY_REG(DACx->CR, |
| ( DAC_CR_TSEL1 |
| | DAC_CR_WAVE1 |
| | DAC_CR_BOFF1 |
| ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
| , |
| ( DAC_InitStruct->TriggerSource |
| | LL_DAC_WAVE_AUTO_GENERATION_NONE |
| | DAC_InitStruct->OutputBuffer |
| ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK) |
| ); |
| } |
| } |
| else |
| { |
| /* Initialization error: DAC instance is not disabled. */ |
| status = ERROR; |
| } |
| return status; |
| } |
| |
| /** |
| * @brief Set each @ref LL_DAC_InitTypeDef field to default value. |
| * @param DAC_InitStruct pointer to a @ref LL_DAC_InitTypeDef structure |
| * whose fields will be set to default values. |
| * @retval None |
| */ |
| void LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct) |
| { |
| /* Set DAC_InitStruct fields to default values */ |
| DAC_InitStruct->TriggerSource = LL_DAC_TRIG_SOFTWARE; |
| DAC_InitStruct->WaveAutoGeneration = LL_DAC_WAVE_AUTO_GENERATION_NONE; |
| /* Note: Parameter discarded if wave auto generation is disabled, */ |
| /* set anyway to its default value. */ |
| DAC_InitStruct->WaveAutoGenerationConfig = LL_DAC_NOISE_LFSR_UNMASK_BIT0; |
| DAC_InitStruct->OutputBuffer = LL_DAC_OUTPUT_BUFFER_ENABLE; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* DAC */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
