Diff: targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_dac.c

Revision:

158:b23ee177fd68

Child:

186:707f6e361f3e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_dac.c	Tue Feb 14 14:44:10 2017 +0000
@@ -0,0 +1,284 @@
+/**
+  ******************************************************************************
+  * @file    stm32l0xx_ll_dac.c
+  * @author  MCD Application Team
+  * @version V1.7.0
+  * @date    31-May-2016
+  * @brief   DAC LL module driver
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 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.
+  *
+  ******************************************************************************
+  */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_ll_dac.h"
+#include "stm32l0xx_ll_bus.h"
+
+#ifdef  USE_FULL_ASSERT
+  #include "stm32_assert.h"
+#else
+  #define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32L0xx_LL_Driver
+  * @{
+  */
+
+#if defined (DAC1)
+
+/** @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_TIM3_TRGO)                      \
+   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM3_CH3)                       \
+   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM6_TRGO)                      \
+   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM7_TRGO)                      \
+   || ((__TRIGGER_SOURCE__) == LL_DAC_TRIG_EXT_TIM21_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 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 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 family, 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 /* DAC1 */
+
+/**
+  * @}
+  */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/