1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_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 STM32F4xx_HAL_DAC_H
21 #define STM32F4xx_HAL_DAC_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /** @addtogroup STM32F4xx_HAL_Driver
28   * @{
29   */
30 
31 /* Includes ------------------------------------------------------------------*/
32 #include "stm32f4xx_hal_def.h"
33 
34 #if defined(DAC)
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 #if defined(DAC_CHANNEL2_SUPPORT)
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 #endif /* DAC_CHANNEL2_SUPPORT */
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 #if defined(DAC_CHANNEL2_SUPPORT)
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 #endif /* DAC_CHANNEL2_SUPPORT */
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 #if defined(DAC_CHANNEL2_SUPPORT)
154 #define  HAL_DAC_ERROR_DMAUNDERRUNCH2    0x02U    /*!< DAC channel2 DMA underrun error   */
155 #endif /* DAC_CHANNEL2_SUPPORT */
156 #define  HAL_DAC_ERROR_DMA               0x04U    /*!< DMA error                         */
157 #define  HAL_DAC_ERROR_TIMEOUT           0x08U    /*!< Timeout error                     */
158 #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
159 #define HAL_DAC_ERROR_INVALID_CALLBACK   0x10U    /*!< Invalid callback error            */
160 #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
161 
162 /**
163   * @}
164   */
165 
166 /** @defgroup DAC_trigger_selection DAC trigger selection
167   * @{
168   */
169 #define DAC_TRIGGER_NONE                0x00000000UL                                                     /*!< Conversion is automatic once the DAC1_DHRxxxx register has been loaded, and not by external trigger */
170 #define DAC_TRIGGER_T2_TRGO             (DAC_CR_TSEL1_2                                   | DAC_CR_TEN1) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
171 #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 */
172 #define DAC_TRIGGER_T5_TRGO             (                 DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM3 TRGO selected as external conversion trigger for DAC channel */
173 #define DAC_TRIGGER_T6_TRGO             (                                                   DAC_CR_TEN1) /*!< Conversion started by software trigger for DAC channel */
174 #define DAC_TRIGGER_T7_TRGO             (                 DAC_CR_TSEL1_1                  | DAC_CR_TEN1) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
175 #define DAC_TRIGGER_T8_TRGO             (                                  DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel */
176 #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 */
177 #define DAC_TRIGGER_SOFTWARE            (DAC_CR_TSEL1                                     | DAC_CR_TEN1) /*!< Conversion started by software trigger for DAC channel */
178 
179 /**
180   * @}
181   */
182 
183 /** @defgroup DAC_output_buffer DAC output buffer
184   * @{
185   */
186 #define DAC_OUTPUTBUFFER_ENABLE            0x00000000U
187 #define DAC_OUTPUTBUFFER_DISABLE           (DAC_CR_BOFF1)
188 
189 /**
190   * @}
191   */
192 
193 /** @defgroup DAC_Channel_selection DAC Channel selection
194   * @{
195   */
196 #define DAC_CHANNEL_1                      0x00000000U
197 #if defined(DAC_CHANNEL2_SUPPORT)
198 #define DAC_CHANNEL_2                      0x00000010U
199 #endif /* DAC_CHANNEL2_SUPPORT */
200 /**
201   * @}
202   */
203 
204 /** @defgroup DAC_data_alignment DAC data alignment
205   * @{
206   */
207 #define DAC_ALIGN_12B_R                    0x00000000U
208 #define DAC_ALIGN_12B_L                    0x00000004U
209 #define DAC_ALIGN_8B_R                     0x00000008U
210 
211 /**
212   * @}
213   */
214 
215 /** @defgroup DAC_flags_definition DAC flags definition
216   * @{
217   */
218 #define DAC_FLAG_DMAUDR1                   (DAC_SR_DMAUDR1)
219 #if defined(DAC_CHANNEL2_SUPPORT)
220 #define DAC_FLAG_DMAUDR2                   (DAC_SR_DMAUDR2)
221 #endif /* DAC_CHANNEL2_SUPPORT */
222 
223 /**
224   * @}
225   */
226 
227 /** @defgroup DAC_IT_definition  DAC IT definition
228   * @{
229   */
230 #define DAC_IT_DMAUDR1                   (DAC_SR_DMAUDR1)
231 #if defined(DAC_CHANNEL2_SUPPORT)
232 #define DAC_IT_DMAUDR2                   (DAC_SR_DMAUDR2)
233 #endif /* DAC_CHANNEL2_SUPPORT */
234 
235 /**
236   * @}
237   */
238 
239 /**
240   * @}
241   */
242 
243 /* Exported macro ------------------------------------------------------------*/
244 
245 /** @defgroup DAC_Exported_Macros DAC Exported Macros
246   * @{
247   */
248 
249 /** @brief Reset DAC handle state.
250   * @param  __HANDLE__ specifies the DAC handle.
251   * @retval None
252   */
253 #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
254 #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) do {                                                        \
255                                                       (__HANDLE__)->State             = HAL_DAC_STATE_RESET; \
256                                                       (__HANDLE__)->MspInitCallback   = NULL;                \
257                                                       (__HANDLE__)->MspDeInitCallback = NULL;                \
258                                                      } while(0)
259 #else
260 #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
261 #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
262 
263 /** @brief Enable the DAC channel.
264   * @param  __HANDLE__ specifies the DAC handle.
265   * @param  __DAC_Channel__ specifies the DAC channel
266   * @retval None
267   */
268 #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
269   ((__HANDLE__)->Instance->CR |=  (DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
270 
271 /** @brief Disable the DAC channel.
272   * @param  __HANDLE__ specifies the DAC handle
273   * @param  __DAC_Channel__ specifies the DAC channel.
274   * @retval None
275   */
276 #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
277   ((__HANDLE__)->Instance->CR &=  ~(DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
278 
279 /** @brief Set DHR12R1 alignment.
280   * @param  __ALIGNMENT__ specifies the DAC alignment
281   * @retval None
282   */
283 #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (0x00000008UL + (__ALIGNMENT__))
284 
285 #if defined(DAC_CHANNEL2_SUPPORT)
286 /** @brief  Set DHR12R2 alignment.
287   * @param  __ALIGNMENT__ specifies the DAC alignment
288   * @retval None
289   */
290 #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (0x00000014UL + (__ALIGNMENT__))
291 #endif /* DAC_CHANNEL2_SUPPORT */
292 
293 /** @brief  Set DHR12RD alignment.
294   * @param  __ALIGNMENT__ specifies the DAC alignment
295   * @retval None
296   */
297 #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (0x00000020UL + (__ALIGNMENT__))
298 
299 /** @brief Enable the DAC interrupt.
300   * @param  __HANDLE__ specifies the DAC handle
301   * @param  __INTERRUPT__ specifies the DAC interrupt.
302   *          This parameter can be any combination of the following values:
303   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
304   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
305   * @retval None
306   */
307 #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
308 
309 /** @brief Disable the DAC interrupt.
310   * @param  __HANDLE__ specifies the DAC handle
311   * @param  __INTERRUPT__ specifies the DAC interrupt.
312   *          This parameter can be any combination of the following values:
313   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
314   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
315   * @retval None
316   */
317 #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
318 
319 /** @brief  Check whether the specified DAC interrupt source is enabled or not.
320   * @param __HANDLE__ DAC handle
321   * @param __INTERRUPT__ DAC interrupt source to check
322   *          This parameter can be any combination of the following values:
323   *            @arg DAC_IT_DMAUDR1 DAC channel 1 DMA underrun interrupt
324   *            @arg DAC_IT_DMAUDR2 DAC channel 2 DMA underrun interrupt
325   * @retval State of interruption (SET or RESET)
326   */
327 #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR\
328                                                              & (__INTERRUPT__)) == (__INTERRUPT__))
329 
330 /** @brief  Get the selected DAC's flag status.
331   * @param  __HANDLE__ specifies the DAC handle.
332   * @param  __FLAG__ specifies the DAC flag to get.
333   *          This parameter can be any combination of the following values:
334   *            @arg DAC_FLAG_DMAUDR1 DAC channel 1 DMA underrun flag
335   *            @arg DAC_FLAG_DMAUDR2 DAC channel 2 DMA underrun flag
336   * @retval None
337   */
338 #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
339 
340 /** @brief  Clear the DAC's flag.
341   * @param  __HANDLE__ specifies the DAC handle.
342   * @param  __FLAG__ specifies the DAC flag to clear.
343   *          This parameter can be any combination of the following values:
344   *            @arg DAC_FLAG_DMAUDR1 DAC channel 1 DMA underrun flag
345   *            @arg DAC_FLAG_DMAUDR2 DAC channel 2 DMA underrun flag
346   * @retval None
347   */
348 #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
349 
350 /**
351   * @}
352   */
353 
354 /* Private macro -------------------------------------------------------------*/
355 
356 /** @defgroup DAC_Private_Macros DAC Private Macros
357   * @{
358   */
359 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
360                                            ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
361 
362 #if defined(DAC_CHANNEL2_SUPPORT)
363 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \
364                                  ((CHANNEL) == DAC_CHANNEL_2))
365 #else
366 #define IS_DAC_CHANNEL(CHANNEL)  ((CHANNEL) == DAC_CHANNEL_1)
367 #endif /* DAC_CHANNEL2_SUPPORT */
368 
369 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
370                              ((ALIGN) == DAC_ALIGN_12B_L) || \
371                              ((ALIGN) == DAC_ALIGN_8B_R))
372 
373 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0UL)
374 
375 /**
376   * @}
377   */
378 
379 /* Include DAC HAL Extended module */
380 #include "stm32f4xx_hal_dac_ex.h"
381 
382 /* Exported functions --------------------------------------------------------*/
383 
384 /** @addtogroup DAC_Exported_Functions
385   * @{
386   */
387 
388 /** @addtogroup DAC_Exported_Functions_Group1
389   * @{
390   */
391 /* Initialization and de-initialization functions *****************************/
392 HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef *hdac);
393 HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef *hdac);
394 void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac);
395 void HAL_DAC_MspDeInit(DAC_HandleTypeDef *hdac);
396 
397 /**
398   * @}
399   */
400 
401 /** @addtogroup DAC_Exported_Functions_Group2
402   * @{
403   */
404 /* IO operation functions *****************************************************/
405 HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef *hdac, uint32_t Channel);
406 HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef *hdac, uint32_t Channel);
407 HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t *pData, uint32_t Length,
408                                     uint32_t Alignment);
409 HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel);
410 void HAL_DAC_IRQHandler(DAC_HandleTypeDef *hdac);
411 HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data);
412 
413 void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef *hdac);
414 void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef *hdac);
415 void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
416 void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
417 
418 #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
419 /* DAC callback registering/unregistering */
420 HAL_StatusTypeDef     HAL_DAC_RegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID,
421                                                pDAC_CallbackTypeDef pCallback);
422 HAL_StatusTypeDef     HAL_DAC_UnRegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID);
423 #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
424 
425 /**
426   * @}
427   */
428 
429 /** @addtogroup DAC_Exported_Functions_Group3
430   * @{
431   */
432 /* Peripheral Control functions ***********************************************/
433 uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef *hdac, uint32_t Channel);
434 HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac, DAC_ChannelConfTypeDef *sConfig, uint32_t Channel);
435 /**
436   * @}
437   */
438 
439 /** @addtogroup DAC_Exported_Functions_Group4
440   * @{
441   */
442 /* Peripheral State and Error functions ***************************************/
443 HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef *hdac);
444 uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac);
445 
446 /**
447   * @}
448   */
449 
450 /**
451   * @}
452   */
453 
454 /** @defgroup DAC_Private_Functions DAC Private Functions
455   * @{
456   */
457 void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
458 void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
459 void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma);
460 /**
461   * @}
462   */
463 
464 /**
465   * @}
466   */
467 
468 #endif /* DAC */
469 
470 /**
471   * @}
472   */
473 
474 #ifdef __cplusplus
475 }
476 #endif
477 
478 
479 #endif /* STM32F4xx_HAL_DAC_H */
480 
481