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stm32f407-openocd/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_dac.c

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/**
******************************************************************************
* @file stm32f4xx_ll_dac.c
* @author MCD Application Team
* @brief DAC LL module driver
******************************************************************************
* @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.
*
******************************************************************************
*/
#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 /* USE_FULL_ASSERT */
/** @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_MODE__, __WAVE_AUTO_GENERATION_CONFIG__) \
( (((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NOISE) \
&& (((__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_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE) \
&& (((__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(const DAC_TypeDef *DACx)
{
/* Check the parameters */
assert_param(IS_DAC_ALL_INSTANCE(DACx));
/* Force reset of DAC clock */
LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_DAC1);
/* Release reset of DAC clock */
LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_DAC1);
return SUCCESS;
}
/**
* @brief Initialize some features of DAC channel.
* @note @ref LL_DAC_Init() aims to ease basic configuration of a DAC channel.
* Leaving it ready to be enabled and output:
* a level by calling one of
* @ref LL_DAC_ConvertData12RightAligned
* @ref LL_DAC_ConvertData12LeftAligned
* @ref LL_DAC_ConvertData8RightAligned
* or one of the supported autogenerated wave.
* @note This function allows configuration of:
* - Output mode
* - Trigger
* - Wave generation
* @note The setting of these parameters by function @ref LL_DAC_Init()
* is conditioned to DAC state:
* DAC channel 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 series, 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, const 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->WaveAutoGeneration,
DAC_InitStruct->WaveAutoGenerationConfig));
}
/* Note: Hardware constraint (refer to description of this function) */
/* DAC instance must be disabled. */
if (LL_DAC_IsEnabled(DACx, DAC_Channel) == 0UL)
{
/* Configuration of DAC channel: */
/* - TriggerSource */
/* - WaveAutoGeneration */
/* - OutputBuffer */
/* - OutputMode */
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 */
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