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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32l1xx_hal_dac.h
  4.   * @author  MCD Application Team
  5.   * @brief   Header file of DAC HAL module.
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * Copyright (c) 2016 STMicroelectronics.
  10.   * All rights reserved.
  11.   *
  12.   * This software is licensed under terms that can be found in the LICENSE file
  13.   * in the root directory of this software component.
  14.   * If no LICENSE file comes with this software, it is provided AS-IS.
  15.   *
  16.   ******************************************************************************
  17.   */
  18.  
  19. /* Define to prevent recursive inclusion -------------------------------------*/
  20. #ifndef STM32L1xx_HAL_DAC_H
  21. #define STM32L1xx_HAL_DAC_H
  22.  
  23. #ifdef __cplusplus
  24. extern "C" {
  25. #endif
  26.  
  27. /** @addtogroup STM32L1xx_HAL_Driver
  28.   * @{
  29.   */
  30.  
  31. /* Includes ------------------------------------------------------------------*/
  32. #include "stm32l1xx_hal_def.h"
  33.  
  34. #if defined(DAC1)
  35.  
  36. /** @addtogroup DAC
  37.   * @{
  38.   */
  39.  
  40. /* Exported types ------------------------------------------------------------*/
  41.  
  42. /** @defgroup DAC_Exported_Types DAC Exported Types
  43.   * @{
  44.   */
  45.  
  46. /**
  47.   * @brief  HAL State structures definition
  48.   */
  49. typedef enum
  50. {
  51.   HAL_DAC_STATE_RESET             = 0x00U,  /*!< DAC not yet initialized or disabled  */
  52.   HAL_DAC_STATE_READY             = 0x01U,  /*!< DAC initialized and ready for use    */
  53.   HAL_DAC_STATE_BUSY              = 0x02U,  /*!< DAC internal processing is ongoing   */
  54.   HAL_DAC_STATE_TIMEOUT           = 0x03U,  /*!< DAC timeout state                    */
  55.   HAL_DAC_STATE_ERROR             = 0x04U   /*!< DAC error state                      */
  56.  
  57. } HAL_DAC_StateTypeDef;
  58.  
  59. /**
  60.   * @brief  DAC handle Structure definition
  61.   */
  62. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  63. typedef struct __DAC_HandleTypeDef
  64. #else
  65. typedef struct
  66. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  67. {
  68.   DAC_TypeDef                 *Instance;     /*!< Register base address             */
  69.  
  70.   __IO HAL_DAC_StateTypeDef   State;         /*!< DAC communication state           */
  71.  
  72.   HAL_LockTypeDef             Lock;          /*!< DAC locking object                */
  73.  
  74.   DMA_HandleTypeDef           *DMA_Handle1;  /*!< Pointer DMA handler for channel 1 */
  75.  
  76.   DMA_HandleTypeDef           *DMA_Handle2;  /*!< Pointer DMA handler for channel 2 */
  77.  
  78.   __IO uint32_t               ErrorCode;     /*!< DAC Error code                    */
  79.  
  80. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  81.   void (* ConvCpltCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  82.   void (* ConvHalfCpltCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  83.   void (* ErrorCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  84.   void (* DMAUnderrunCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  85.  
  86.   void (* ConvCpltCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  87.   void (* ConvHalfCpltCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  88.   void (* ErrorCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  89.   void (* DMAUnderrunCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  90.  
  91.  
  92.   void (* MspInitCallback)(struct __DAC_HandleTypeDef *hdac);
  93.   void (* MspDeInitCallback)(struct __DAC_HandleTypeDef *hdac);
  94. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  95.  
  96. } DAC_HandleTypeDef;
  97.  
  98. /**
  99.   * @brief   DAC Configuration regular Channel structure definition
  100.   */
  101. typedef struct
  102. {
  103.   uint32_t DAC_Trigger;                  /*!< Specifies the external trigger for the selected DAC channel.
  104.                                               This parameter can be a value of @ref DAC_trigger_selection */
  105.  
  106.   uint32_t DAC_OutputBuffer;             /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
  107.                                                This parameter can be a value of @ref DAC_output_buffer */
  108.  
  109. } DAC_ChannelConfTypeDef;
  110.  
  111. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  112. /**
  113.   * @brief  HAL DAC Callback ID enumeration definition
  114.   */
  115. typedef enum
  116. {
  117.   HAL_DAC_CH1_COMPLETE_CB_ID                 = 0x00U,  /*!< DAC CH1 Complete Callback ID      */
  118.   HAL_DAC_CH1_HALF_COMPLETE_CB_ID            = 0x01U,  /*!< DAC CH1 half Complete Callback ID */
  119.   HAL_DAC_CH1_ERROR_ID                       = 0x02U,  /*!< DAC CH1 error Callback ID         */
  120.   HAL_DAC_CH1_UNDERRUN_CB_ID                 = 0x03U,  /*!< DAC CH1 underrun Callback ID      */
  121.  
  122.   HAL_DAC_CH2_COMPLETE_CB_ID                 = 0x04U,  /*!< DAC CH2 Complete Callback ID      */
  123.   HAL_DAC_CH2_HALF_COMPLETE_CB_ID            = 0x05U,  /*!< DAC CH2 half Complete Callback ID */
  124.   HAL_DAC_CH2_ERROR_ID                       = 0x06U,  /*!< DAC CH2 error Callback ID         */
  125.   HAL_DAC_CH2_UNDERRUN_CB_ID                 = 0x07U,  /*!< DAC CH2 underrun Callback ID      */
  126.  
  127.   HAL_DAC_MSPINIT_CB_ID                      = 0x08U,  /*!< DAC MspInit Callback ID           */
  128.   HAL_DAC_MSPDEINIT_CB_ID                    = 0x09U,  /*!< DAC MspDeInit Callback ID         */
  129.   HAL_DAC_ALL_CB_ID                          = 0x0AU   /*!< DAC All ID                        */
  130. } HAL_DAC_CallbackIDTypeDef;
  131.  
  132. /**
  133.   * @brief  HAL DAC Callback pointer definition
  134.   */
  135. typedef void (*pDAC_CallbackTypeDef)(DAC_HandleTypeDef *hdac);
  136. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  137.  
  138. /**
  139.   * @}
  140.   */
  141.  
  142. /* Exported constants --------------------------------------------------------*/
  143.  
  144. /** @defgroup DAC_Exported_Constants DAC Exported Constants
  145.   * @{
  146.   */
  147.  
  148. /** @defgroup DAC_Error_Code DAC Error Code
  149.   * @{
  150.   */
  151. #define  HAL_DAC_ERROR_NONE              0x00U    /*!< No error                          */
  152. #define  HAL_DAC_ERROR_DMAUNDERRUNCH1    0x01U    /*!< DAC channel1 DMA underrun error   */
  153. #define  HAL_DAC_ERROR_DMAUNDERRUNCH2    0x02U    /*!< DAC channel2 DMA underrun error   */
  154. #define  HAL_DAC_ERROR_DMA               0x04U    /*!< DMA error                         */
  155. #define  HAL_DAC_ERROR_TIMEOUT           0x08U    /*!< Timeout error                     */
  156. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  157. #define HAL_DAC_ERROR_INVALID_CALLBACK   0x10U    /*!< Invalid callback error            */
  158. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  159.  
  160. /**
  161.   * @}
  162.   */
  163.  
  164. /** @defgroup DAC_trigger_selection DAC trigger selection
  165.   * @{
  166.   */
  167. #define DAC_TRIGGER_NONE                0x00000000UL                                                     /*!< Conversion is automatic once the DAC1_DHRxxxx register has been loaded, and not by external trigger */
  168. #define DAC_TRIGGER_T6_TRGO             (DAC_CR_TEN1)                                                    /*!< Conversion started by software trigger for DAC channel */
  169. #define DAC_TRIGGER_T7_TRGO             (                 DAC_CR_TSEL1_1                  | DAC_CR_TEN1) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
  170. #define DAC_TRIGGER_T9_TRGO             (                 DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM9 TRGO selected as external conversion trigger for DAC channel */
  171. #define DAC_TRIGGER_T2_TRGO             (DAC_CR_TSEL1_2                                   | DAC_CR_TEN1) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
  172. #define DAC_TRIGGER_T4_TRGO             (DAC_CR_TSEL1_2                  | DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
  173. #define DAC_TRIGGER_EXT_IT9             (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1                  | DAC_CR_TEN1) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
  174. #define DAC_TRIGGER_SOFTWARE            (DAC_CR_TSEL1                                     | DAC_CR_TEN1) /*!< Conversion started by software trigger for DAC channel */
  175.  
  176. /**
  177.   * @}
  178.   */
  179.  
  180. /** @defgroup DAC_output_buffer DAC output buffer
  181.   * @{
  182.   */
  183. #define DAC_OUTPUTBUFFER_ENABLE            0x00000000U
  184. #define DAC_OUTPUTBUFFER_DISABLE           (DAC_CR_BOFF1)
  185.  
  186. /**
  187.   * @}
  188.   */
  189.  
  190. /** @defgroup DAC_Channel_selection DAC Channel selection
  191.   * @{
  192.   */
  193. #define DAC_CHANNEL_1                      0x00000000U
  194.  
  195. #define DAC_CHANNEL_2                      0x00000010U
  196.  
  197. /**
  198.   * @}
  199.   */
  200.  
  201. /** @defgroup DAC_data_alignment DAC data alignment
  202.   * @{
  203.   */
  204. #define DAC_ALIGN_12B_R                    0x00000000U
  205. #define DAC_ALIGN_12B_L                    0x00000004U
  206. #define DAC_ALIGN_8B_R                     0x00000008U
  207.  
  208. /**
  209.   * @}
  210.   */
  211.  
  212. /** @defgroup DAC_flags_definition DAC flags definition
  213.   * @{
  214.   */
  215. #define DAC_FLAG_DMAUDR1                   (DAC_SR_DMAUDR1)
  216.  
  217. #define DAC_FLAG_DMAUDR2                   (DAC_SR_DMAUDR2)
  218.  
  219.  
  220. /**
  221.   * @}
  222.   */
  223.  
  224. /** @defgroup DAC_IT_definition  DAC IT definition
  225.   * @{
  226.   */
  227. #define DAC_IT_DMAUDR1                   (DAC_SR_DMAUDR1)
  228.  
  229. #define DAC_IT_DMAUDR2                   (DAC_SR_DMAUDR2)
  230.  
  231.  
  232. /**
  233.   * @}
  234.   */
  235.  
  236. /**
  237.   * @}
  238.   */
  239.  
  240. /* Exported macro ------------------------------------------------------------*/
  241.  
  242. /** @defgroup DAC_Exported_Macros DAC Exported Macros
  243.   * @{
  244.   */
  245.  
  246. /** @brief Reset DAC handle state.
  247.   * @param  __HANDLE__ specifies the DAC handle.
  248.   * @retval None
  249.   */
  250. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  251. #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) do {                                                        \
  252.                                                       (__HANDLE__)->State             = HAL_DAC_STATE_RESET; \
  253.                                                       (__HANDLE__)->MspInitCallback   = NULL;                \
  254.                                                       (__HANDLE__)->MspDeInitCallback = NULL;                \
  255.                                                      } while(0)
  256. #else
  257. #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
  258. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  259.  
  260. /** @brief Enable the DAC channel.
  261.   * @param  __HANDLE__ specifies the DAC handle.
  262.   * @param  __DAC_Channel__ specifies the DAC channel
  263.   * @retval None
  264.   */
  265. #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
  266.   ((__HANDLE__)->Instance->CR |=  (DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
  267.  
  268. /** @brief Disable the DAC channel.
  269.   * @param  __HANDLE__ specifies the DAC handle
  270.   * @param  __DAC_Channel__ specifies the DAC channel.
  271.   * @retval None
  272.   */
  273. #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
  274.   ((__HANDLE__)->Instance->CR &=  ~(DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
  275.  
  276. /** @brief Set DHR12R1 alignment.
  277.   * @param  __ALIGNMENT__ specifies the DAC alignment
  278.   * @retval None
  279.   */
  280. #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (0x00000008UL + (__ALIGNMENT__))
  281.  
  282.  
  283. /** @brief  Set DHR12R2 alignment.
  284.   * @param  __ALIGNMENT__ specifies the DAC alignment
  285.   * @retval None
  286.   */
  287. #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (0x00000014UL + (__ALIGNMENT__))
  288.  
  289.  
  290. /** @brief  Set DHR12RD alignment.
  291.   * @param  __ALIGNMENT__ specifies the DAC alignment
  292.   * @retval None
  293.   */
  294. #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (0x00000020UL + (__ALIGNMENT__))
  295.  
  296. /** @brief Enable the DAC interrupt.
  297.   * @param  __HANDLE__ specifies the DAC handle
  298.   * @param  __INTERRUPT__ specifies the DAC interrupt.
  299.   *          This parameter can be any combination of the following values:
  300.   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
  301.   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
  302.   * @retval None
  303.   */
  304. #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
  305.  
  306. /** @brief Disable the DAC interrupt.
  307.   * @param  __HANDLE__ specifies the DAC handle
  308.   * @param  __INTERRUPT__ specifies the DAC interrupt.
  309.   *          This parameter can be any combination of the following values:
  310.   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
  311.   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
  312.   * @retval None
  313.   */
  314. #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
  315.  
  316. /** @brief  Check whether the specified DAC interrupt source is enabled or not.
  317.   * @param __HANDLE__ DAC handle
  318.   * @param __INTERRUPT__ DAC interrupt source to check
  319.   *          This parameter can be any combination of the following values:
  320.   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
  321.   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
  322.   * @retval State of interruption (SET or RESET)
  323.   */
  324. #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR\
  325.                                                              & (__INTERRUPT__)) == (__INTERRUPT__))
  326.  
  327. /** @brief  Get the selected DAC's flag status.
  328.   * @param  __HANDLE__ specifies the DAC handle.
  329.   * @param  __FLAG__ specifies the DAC flag to get.
  330.   *          This parameter can be any combination of the following values:
  331.   *            @arg DAC_FLAG_DMAUDR1 DAC channel 1 DMA underrun flag
  332.   *            @arg DAC_FLAG_DMAUDR2 DAC channel 2 DMA underrun flag
  333.   * @retval None
  334.   */
  335. #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
  336.  
  337. /** @brief  Clear the DAC's flag.
  338.   * @param  __HANDLE__ specifies the DAC handle.
  339.   * @param  __FLAG__ specifies the DAC flag to clear.
  340.   *          This parameter can be any combination of the following values:
  341.   *            @arg DAC_FLAG_DMAUDR1 DAC channel 1 DMA underrun flag
  342.   *            @arg DAC_FLAG_DMAUDR2 DAC channel 2 DMA underrun flag
  343.   * @retval None
  344.   */
  345. #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
  346.  
  347. /**
  348.   * @}
  349.   */
  350.  
  351. /* Private macro -------------------------------------------------------------*/
  352.  
  353. /** @defgroup DAC_Private_Macros DAC Private Macros
  354.   * @{
  355.   */
  356. #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
  357.                                            ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
  358.  
  359. #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \
  360.                                  ((CHANNEL) == DAC_CHANNEL_2))
  361.  
  362. #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
  363.                              ((ALIGN) == DAC_ALIGN_12B_L) || \
  364.                              ((ALIGN) == DAC_ALIGN_8B_R))
  365.  
  366. #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0UL)
  367.  
  368. /**
  369.   * @}
  370.   */
  371.  
  372. /* Include DAC HAL Extended module */
  373. #include "stm32l1xx_hal_dac_ex.h"
  374.  
  375. /* Exported functions --------------------------------------------------------*/
  376.  
  377. /** @addtogroup DAC_Exported_Functions
  378.   * @{
  379.   */
  380.  
  381. /** @addtogroup DAC_Exported_Functions_Group1
  382.   * @{
  383.   */
  384. /* Initialization and de-initialization functions *****************************/
  385. HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef *hdac);
  386. HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef *hdac);
  387. void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac);
  388. void HAL_DAC_MspDeInit(DAC_HandleTypeDef *hdac);
  389.  
  390. /**
  391.   * @}
  392.   */
  393.  
  394. /** @addtogroup DAC_Exported_Functions_Group2
  395.   * @{
  396.   */
  397. /* IO operation functions *****************************************************/
  398. HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef *hdac, uint32_t Channel);
  399. HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef *hdac, uint32_t Channel);
  400. HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel, const uint32_t *pData, uint32_t Length,
  401.                                     uint32_t Alignment);
  402. HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel);
  403. void HAL_DAC_IRQHandler(DAC_HandleTypeDef *hdac);
  404. HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data);
  405.  
  406. void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef *hdac);
  407. void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef *hdac);
  408. void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
  409. void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
  410.  
  411. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  412. /* DAC callback registering/unregistering */
  413. HAL_StatusTypeDef     HAL_DAC_RegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID,
  414.                                                pDAC_CallbackTypeDef pCallback);
  415. HAL_StatusTypeDef     HAL_DAC_UnRegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID);
  416. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  417.  
  418. /**
  419.   * @}
  420.   */
  421.  
  422. /** @addtogroup DAC_Exported_Functions_Group3
  423.   * @{
  424.   */
  425. /* Peripheral Control functions ***********************************************/
  426. uint32_t HAL_DAC_GetValue(const DAC_HandleTypeDef *hdac, uint32_t Channel);
  427. HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac,
  428.                                         const DAC_ChannelConfTypeDef *sConfig, uint32_t Channel);
  429. /**
  430.   * @}
  431.   */
  432.  
  433. /** @addtogroup DAC_Exported_Functions_Group4
  434.   * @{
  435.   */
  436. /* Peripheral State and Error functions ***************************************/
  437. HAL_DAC_StateTypeDef HAL_DAC_GetState(const DAC_HandleTypeDef *hdac);
  438. uint32_t HAL_DAC_GetError(const DAC_HandleTypeDef *hdac);
  439.  
  440. /**
  441.   * @}
  442.   */
  443.  
  444. /**
  445.   * @}
  446.   */
  447.  
  448. /** @defgroup DAC_Private_Functions DAC Private Functions
  449.   * @{
  450.   */
  451. void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
  452. void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
  453. void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma);
  454. /**
  455.   * @}
  456.   */
  457.  
  458. /**
  459.   * @}
  460.   */
  461.  
  462. #endif /* DAC1 */
  463.  
  464. /**
  465.   * @}
  466.   */
  467.  
  468. #ifdef __cplusplus
  469. }
  470. #endif
  471.  
  472.  
  473. #endif /* STM32L1xx_HAL_DAC_H */
  474.