/**+
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  ******************************************************************************+
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  * @file    stm32f4xx_ll_dac.c+
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  * @author  MCD Application Team+
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  * @brief   DAC LL module driver+
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  ******************************************************************************+
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  * @attention+
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  *+
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  * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>+
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  *+
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  * Redistribution and use in source and binary forms, with or without modification,+
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  * are permitted provided that the following conditions are met:+
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  *   1. Redistributions of source code must retain the above copyright notice,+
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  *      this list of conditions and the following disclaimer.+
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  *   2. Redistributions in binary form must reproduce the above copyright notice,+
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  *      this list of conditions and the following disclaimer in the documentation+
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  *      and/or other materials provided with the distribution.+
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  *   3. Neither the name of STMicroelectronics nor the names of its contributors+
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  *      may be used to endorse or promote products derived from this software+
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  *      without specific prior written permission.+
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  *+
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"+
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  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE+
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  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE+
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  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL+
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  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR+
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  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER+
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  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,+
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  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+
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  *+
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  ******************************************************************************+
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  */+
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#if defined(USE_FULL_LL_DRIVER)+
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+
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/* Includes ------------------------------------------------------------------*/+
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#include "stm32f4xx_ll_dac.h"+
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#include "stm32f4xx_ll_bus.h"+
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+
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#ifdef USE_FULL_ASSERT+
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  #include "stm32_assert.h"+
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#else+
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  #define assert_param(expr) ((void)0U)+
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#endif+
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+
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/** @addtogroup STM32F4xx_LL_Driver+
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  * @{+
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  */+
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+
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#if defined(DAC)+
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+
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/** @addtogroup DAC_LL DAC+
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  * @{+
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  */+
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+
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/* Private types -------------------------------------------------------------*/+
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/* Private variables ---------------------------------------------------------*/+
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/* Private constants ---------------------------------------------------------*/+
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/* Private macros ------------------------------------------------------------*/+
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+
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/** @addtogroup DAC_LL_Private_Macros+
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  * @{+
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  */+
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+
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#if defined(DAC_CHANNEL2_SUPPORT)+
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#define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__)                           \+
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  (                                                                            \+
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      ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1)                                  \+
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   || ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_2)                                  \+
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  )+
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#else+
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#define IS_LL_DAC_CHANNEL(__DACX__, __DAC_CHANNEL__)                           \+
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  (                                                                            \+
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   ((__DAC_CHANNEL__) == LL_DAC_CHANNEL_1)                                     \+
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  )+
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#endif /* DAC_CHANNEL2_SUPPORT */+
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+
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#define IS_LL_DAC_TRIGGER_SOURCE(__TRIGGER_SOURCE__)                           \+
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  (   ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_SOFTWARE)                           \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM2_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM4_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM5_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM6_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM7_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM8_TRGO)                      \+
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   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_EXTI_LINE9)                     \+
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  )+
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+
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#define IS_LL_DAC_WAVE_AUTO_GENER_MODE(__WAVE_AUTO_GENERATION_MODE__)           \+
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  (   ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NONE)     \+
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   || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_NOISE)    \+
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   || ((__WAVE_AUTO_GENERATION_MODE__) == LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE) \+
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  )+
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+
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#define IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(__WAVE_AUTO_GENERATION_CONFIG__)      \+
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  (   ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BIT0)     \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS1_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS2_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS3_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS4_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS5_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS6_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS7_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS8_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS9_0)  \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS10_0) \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_NOISE_LFSR_UNMASK_BITS11_0) \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1)       \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_3)       \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_7)       \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_15)      \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_31)      \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_63)      \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_127)     \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_255)     \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_511)     \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_1023)    \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_2047)    \+
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   || ((__WAVE_AUTO_GENERATION_CONFIG__) == LL_DAC_TRIANGLE_AMPLITUDE_4095)    \+
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  )+
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+
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#define IS_LL_DAC_OUTPUT_BUFFER(__OUTPUT_BUFFER__)                             \+
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  (   ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_ENABLE)                     \+
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   || ((__OUTPUT_BUFFER__) == LL_DAC_OUTPUT_BUFFER_DISABLE)                    \+
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  )+
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+
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/**+
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  * @}+
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  */+
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+
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+
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/* Private function prototypes -----------------------------------------------*/+
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+
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/* Exported functions --------------------------------------------------------*/+
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/** @addtogroup DAC_LL_Exported_Functions+
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  * @{+
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  */+
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+
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/** @addtogroup DAC_LL_EF_Init+
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  * @{+
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  */+
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+
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/**+
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  * @brief  De-initialize registers of the selected DAC instance+
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  *         to their default reset values.+
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  * @param  DACx DAC instance+
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  * @retval An ErrorStatus enumeration value:+
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  *          - SUCCESS: DAC registers are de-initialized+
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  *          - ERROR: not applicable+
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  */+
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ErrorStatus LL_DAC_DeInit(DAC_TypeDef *DACx)+
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{+
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  /* Check the parameters */+
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  assert_param(IS_DAC_ALL_INSTANCE(DACx));+
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  +
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  /* Force reset of DAC1 clock */+
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  LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_DAC1);+
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  +
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  /* Release reset of DAC1 clock */+
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  LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_DAC1);+
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  return SUCCESS;+
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}+
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+
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/**+
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  * @brief  Initialize some features of DAC instance.+
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  * @note   The setting of these parameters by function @ref LL_DAC_Init()+
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  *         is conditioned to DAC state:+
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  *         DAC instance must be disabled.+
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  * @param  DACx DAC instance+
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  * @param  DAC_Channel This parameter can be one of the following values:+
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  *         @arg @ref LL_DAC_CHANNEL_1+
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  *         @arg @ref LL_DAC_CHANNEL_2 (1)+
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  *         +
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  *         (1) On this STM32 serie, parameter not available on all devices.+
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  *             Refer to device datasheet for channels availability.+
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  * @param  DAC_InitStruct Pointer to a @ref LL_DAC_InitTypeDef structure+
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  * @retval An ErrorStatus enumeration value:+
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  *          - SUCCESS: DAC registers are initialized+
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  *          - ERROR: DAC registers are not initialized+
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  */+
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ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef *DAC_InitStruct)+
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{+
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  ErrorStatus status = SUCCESS;+
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  +
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  /* Check the parameters */+
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  assert_param(IS_DAC_ALL_INSTANCE(DACx));+
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  assert_param(IS_LL_DAC_CHANNEL(DACx, DAC_Channel));+
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  assert_param(IS_LL_DAC_TRIGGER_SOURCE(DAC_InitStruct->TriggerSource));+
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  assert_param(IS_LL_DAC_OUTPUT_BUFFER(DAC_InitStruct->OutputBuffer));+
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  assert_param(IS_LL_DAC_WAVE_AUTO_GENER_MODE(DAC_InitStruct->WaveAutoGeneration));+
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  if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE)+
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  {+
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    assert_param(IS_LL_DAC_WAVE_AUTO_GENER_CONFIG(DAC_InitStruct->WaveAutoGenerationConfig));+
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  }+
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  +
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  /* Note: Hardware constraint (refer to description of this function)        */+
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  /*       DAC instance must be disabled.                                     */+
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  if(LL_DAC_IsEnabled(DACx, DAC_Channel) == 0U)+
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  {+
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    /* Configuration of DAC channel:                                          */+
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    /*  - TriggerSource                                                       */+
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    /*  - WaveAutoGeneration                                                  */+
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    /*  - OutputBuffer                                                        */+
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    if (DAC_InitStruct->WaveAutoGeneration != LL_DAC_WAVE_AUTO_GENERATION_NONE)+
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    {+
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      MODIFY_REG(DACx->CR,+
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                 (  DAC_CR_TSEL1+
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                  | DAC_CR_WAVE1+
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                  | DAC_CR_MAMP1+
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                  | DAC_CR_BOFF1+
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                 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)+
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                ,+
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                 (  DAC_InitStruct->TriggerSource+
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                  | DAC_InitStruct->WaveAutoGeneration+
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                  | DAC_InitStruct->WaveAutoGenerationConfig+
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                  | DAC_InitStruct->OutputBuffer+
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                 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)+
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                );+
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    }+
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    else+
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    {+
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      MODIFY_REG(DACx->CR,+
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                 (  DAC_CR_TSEL1+
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                  | DAC_CR_WAVE1+
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                  | DAC_CR_BOFF1+
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                 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)+
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                ,+
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                 (  DAC_InitStruct->TriggerSource+
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                  | LL_DAC_WAVE_AUTO_GENERATION_NONE+
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                  | DAC_InitStruct->OutputBuffer+
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                 ) << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)+
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                );+
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    }+
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  }+
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  else+
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  {+
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    /* Initialization error: DAC instance is not disabled.                    */+
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    status = ERROR;+
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  }+
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  return status;+
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}+
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+
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/**+
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  * @brief Set each @ref LL_DAC_InitTypeDef field to default value.+
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  * @param DAC_InitStruct pointer to a @ref LL_DAC_InitTypeDef structure+
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  *                       whose fields will be set to default values.+
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  * @retval None+
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  */+
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void LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct)+
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{+
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  /* Set DAC_InitStruct fields to default values */+
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  DAC_InitStruct->TriggerSource            = LL_DAC_TRIG_SOFTWARE;+
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  DAC_InitStruct->WaveAutoGeneration       = LL_DAC_WAVE_AUTO_GENERATION_NONE;+
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  /* Note: Parameter discarded if wave auto generation is disabled,           */+
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  /*       set anyway to its default value.                                   */+
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  DAC_InitStruct->WaveAutoGenerationConfig = LL_DAC_NOISE_LFSR_UNMASK_BIT0;+
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  DAC_InitStruct->OutputBuffer             = LL_DAC_OUTPUT_BUFFER_ENABLE;+
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}+
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+
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/**+
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  * @}+
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  */+
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+
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/**+
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  * @}+
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  */+
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+
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/**+
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  * @}+
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  */+
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+
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#endif /* DAC */+
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+
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/**+
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  * @}+
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  */+
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+
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#endif /* USE_FULL_LL_DRIVER */+
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+
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/+
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