2 ******************************************************************************
3 * @file stm32l1xx_hal_dac.h
4 * @author MCD Application Team
6 * @date 5-September-2014
7 * @brief Header file of DAC HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32L1xx_HAL_DAC_H
40 #define __STM32L1xx_HAL_DAC_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32l1xx_hal_def.h"
49 /** @addtogroup STM32L1xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
59 /** @defgroup DAC_Exported_Types DAC Exported Types
64 * @brief HAL State structures definition
68 HAL_DAC_STATE_RESET = 0x00, /*!< DAC not yet initialized or disabled */
69 HAL_DAC_STATE_READY = 0x01, /*!< DAC initialized and ready for use */
70 HAL_DAC_STATE_BUSY = 0x02, /*!< DAC internal processing is ongoing */
71 HAL_DAC_STATE_TIMEOUT = 0x03, /*!< DAC timeout state */
72 HAL_DAC_STATE_ERROR = 0x04 /*!< DAC error state */
74 }HAL_DAC_StateTypeDef;
77 * @brief DAC handle Structure definition
81 DAC_TypeDef *Instance; /*!< Register base address */
83 __IO HAL_DAC_StateTypeDef State; /*!< DAC communication state */
85 HAL_LockTypeDef Lock; /*!< DAC locking object */
87 DMA_HandleTypeDef *DMA_Handle1; /*!< Pointer DMA handler for channel 1 */
89 DMA_HandleTypeDef *DMA_Handle2; /*!< Pointer DMA handler for channel 2 */
91 __IO uint32_t ErrorCode; /*!< DAC Error code */
96 * @brief DAC Configuration regular Channel structure definition
100 uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
101 This parameter can be a value of @ref DAC_trigger_selection */
103 uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
104 This parameter can be a value of @ref DAC_output_buffer */
106 }DAC_ChannelConfTypeDef;
112 /* Exported constants --------------------------------------------------------*/
114 /** @defgroup DAC_Exported_Constants DAC Exported Constants
118 /** @defgroup DAC_Error_Code DAC Error Code
121 #define HAL_DAC_ERROR_NONE 0x00 /*!< No error */
122 #define HAL_DAC_ERROR_DMAUNDERRUNCH1 0x01 /*!< DAC channel1 DAM underrun error */
123 #define HAL_DAC_ERROR_DMAUNDERRUNCH2 0x02 /*!< DAC channel2 DAM underrun error */
124 #define HAL_DAC_ERROR_DMA 0x04 /*!< DMA error */
129 /** @defgroup DAC_trigger_selection DAC trigger selection
132 #define DAC_TRIGGER_NONE ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
133 has been loaded, and not by external trigger */
134 #define DAC_TRIGGER_T6_TRGO ((uint32_t) DAC_CR_TEN1) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
135 #define DAC_TRIGGER_T7_TRGO ((uint32_t)( DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
136 #define DAC_TRIGGER_T9_TRGO ((uint32_t)( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM9 TRGO selected as external conversion trigger for DAC channel */
137 #define DAC_TRIGGER_T2_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TEN1)) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
138 #define DAC_TRIGGER_T4_TRGO ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0 | DAC_CR_TEN1)) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
139 #define DAC_TRIGGER_EXT_IT9 ((uint32_t)(DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TEN1)) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
140 #define DAC_TRIGGER_SOFTWARE ((uint32_t)(DAC_CR_TSEL1 | DAC_CR_TEN1)) /*!< Conversion started by software trigger for DAC channel */
142 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_TRIGGER_NONE) || \
143 ((TRIGGER) == DAC_TRIGGER_T6_TRGO) || \
144 ((TRIGGER) == DAC_TRIGGER_T7_TRGO) || \
145 ((TRIGGER) == DAC_TRIGGER_T9_TRGO) || \
146 ((TRIGGER) == DAC_TRIGGER_T2_TRGO) || \
147 ((TRIGGER) == DAC_TRIGGER_T4_TRGO) || \
148 ((TRIGGER) == DAC_TRIGGER_EXT_IT9) || \
149 ((TRIGGER) == DAC_TRIGGER_SOFTWARE))
154 /** @defgroup DAC_output_buffer DAC output buffer
157 #define DAC_OUTPUTBUFFER_ENABLE ((uint32_t)0x00000000)
158 #define DAC_OUTPUTBUFFER_DISABLE ((uint32_t)DAC_CR_BOFF1)
160 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
161 ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
166 /** @defgroup DAC_Channel_selection DAC Channel selection
169 #define DAC_CHANNEL_1 ((uint32_t)0x00000000)
170 #define DAC_CHANNEL_2 ((uint32_t)0x00000010)
172 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \
173 ((CHANNEL) == DAC_CHANNEL_2))
178 /** @defgroup DAC_data_alignement DAC data alignement
181 #define DAC_ALIGN_12B_R ((uint32_t)0x00000000)
182 #define DAC_ALIGN_12B_L ((uint32_t)0x00000004)
183 #define DAC_ALIGN_8B_R ((uint32_t)0x00000008)
185 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
186 ((ALIGN) == DAC_ALIGN_12B_L) || \
187 ((ALIGN) == DAC_ALIGN_8B_R))
192 /** @defgroup DAC_data DAC data
195 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
200 /** @defgroup DAC_flags_definition DAC flags definition
203 #define DAC_FLAG_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1)
204 #define DAC_FLAG_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2)
210 /** @defgroup DAC_IT_definition DAC IT definition
213 #define DAC_IT_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1)
214 #define DAC_IT_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2)
224 /* Exported macro ------------------------------------------------------------*/
226 /** @defgroup DAC_Exported_Macros DAC Exported Macros
230 /** @brief Reset DAC handle state
231 * @param __HANDLE__: specifies the DAC handle.
234 #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
236 /** @brief Enable the DAC channel
237 * @param __HANDLE__: specifies the DAC handle.
238 * @param __DAC_Channel__: specifies the DAC channel
241 #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
242 ((__HANDLE__)->Instance->CR |= (DAC_CR_EN1 << (__DAC_Channel__)))
244 /** @brief Disable the DAC channel
245 * @param __HANDLE__: specifies the DAC handle
246 * @param __DAC_Channel__: specifies the DAC channel.
249 #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
250 ((__HANDLE__)->Instance->CR &= ~(DAC_CR_EN1 << (__DAC_Channel__)))
252 /** @brief Set DHR12R1 alignment
253 * @param __ALIGNEMENT__: specifies the DAC alignement
256 #define __HAL_DHR12R1_ALIGNEMENT(__ALIGNEMENT__) (((uint32_t)0x00000008) + (__ALIGNEMENT__))
258 /** @brief Set DHR12R2 alignment
259 * @param __ALIGNEMENT__: specifies the DAC alignement
262 #define __HAL_DHR12R2_ALIGNEMENT(__ALIGNEMENT__) (((uint32_t)0x00000014) + (__ALIGNEMENT__))
264 /** @brief Set DHR12RD alignment
265 * @param __ALIGNEMENT__: specifies the DAC alignement
268 #define __HAL_DHR12RD_ALIGNEMENT(__ALIGNEMENT__) (((uint32_t)0x00000020) + (__ALIGNEMENT__))
270 /** @brief Enable the DAC interrupt
271 * @param __HANDLE__: specifies the DAC handle
272 * @param __INTERRUPT__: specifies the DAC interrupt.
275 #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
277 /** @brief Disable the DAC interrupt
278 * @param __HANDLE__: specifies the DAC handle
279 * @param __INTERRUPT__: specifies the DAC interrupt.
282 #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
284 /** @brief Get the selected DAC's flag status.
285 * @param __HANDLE__: specifies the DAC handle.
286 * @param __FLAG__: specifies the FLAG.
289 #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
291 /** @brief Clear the DAC's flag.
292 * @param __HANDLE__: specifies the DAC handle.
293 * @param __FLAG__: specifies the FLAG.
296 #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
303 /* Include DAC HAL Extension module */
304 #include "stm32l1xx_hal_dac_ex.h"
306 /* Exported functions --------------------------------------------------------*/
308 /** @addtogroup DAC_Exported_Functions
312 /** @addtogroup DAC_Exported_Functions_Group1
315 /* Initialization and de-initialization functions *****************************/
316 HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac);
317 HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac);
318 void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac);
319 void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac);
325 /** @addtogroup DAC_Exported_Functions_Group2
328 /* IO operation functions *****************************************************/
329 HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel);
330 HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel);
331 HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment);
332 HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel);
333 HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data);
334 uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel);
340 /** @addtogroup DAC_Exported_Functions_Group2
343 /* Peripheral Control functions ***********************************************/
344 HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel);
350 /** @addtogroup DAC_Exported_Functions_Group2
353 /* Peripheral State functions ***************************************************/
354 HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac);
355 void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac);
356 uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac);
358 void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac);
359 void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac);
360 void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
361 void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
383 #endif /*__STM32L1xx_HAL_DAC_H */
385 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/