1 /** 2 ****************************************************************************** 3 * @file stm32l1xx_hal_dac.h 4 * @author MCD Application Team 5 * @version V1.2.0 6 * @date 01-July-2016 7 * @brief Header file of DAC HAL module. 8 ****************************************************************************** 9 * @attention 10 * 11 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> 12 * 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. 23 * 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. 34 * 35 ****************************************************************************** 36 */ 37 38 /* Define to prevent recursive inclusion -------------------------------------*/ 39 #ifndef __STM32L1xx_HAL_DAC_H 40 #define __STM32L1xx_HAL_DAC_H 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* Includes ------------------------------------------------------------------*/ 47 #include "stm32l1xx_hal_def.h" 48 49 /** @addtogroup STM32L1xx_HAL_Driver 50 * @{ 51 */ 52 53 /** @addtogroup DAC 54 * @{ 55 */ 56 57 /* Exported types ------------------------------------------------------------*/ 58 59 /** @defgroup DAC_Exported_Types DAC Exported Types 60 * @{ 61 */ 62 63 /** 64 * @brief HAL State structures definition 65 */ 66 typedef enum 67 { 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 */ 73 74 }HAL_DAC_StateTypeDef; 75 76 /** 77 * @brief DAC handle Structure definition 78 */ 79 typedef struct 80 { 81 DAC_TypeDef *Instance; /*!< Register base address */ 82 83 __IO HAL_DAC_StateTypeDef State; /*!< DAC communication state */ 84 85 HAL_LockTypeDef Lock; /*!< DAC locking object */ 86 87 DMA_HandleTypeDef *DMA_Handle1; /*!< Pointer DMA handler for channel 1 */ 88 89 DMA_HandleTypeDef *DMA_Handle2; /*!< Pointer DMA handler for channel 2 */ 90 91 __IO uint32_t ErrorCode; /*!< DAC Error code */ 92 93 }DAC_HandleTypeDef; 94 95 /** 96 * @brief DAC Configuration regular Channel structure definition 97 */ 98 typedef struct 99 { 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 */ 102 103 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 */ 105 106 }DAC_ChannelConfTypeDef; 107 108 /** 109 * @} 110 */ 111 112 /* Exported constants --------------------------------------------------------*/ 113 114 /** @defgroup DAC_Exported_Constants DAC Exported Constants 115 * @{ 116 */ 117 118 /** @defgroup DAC_Error_Code DAC Error Code 119 * @{ 120 */ 121 #define HAL_DAC_ERROR_NONE 0x00 /*!< No error */ 122 #define HAL_DAC_ERROR_DMAUNDERRUNCH1 0x01 /*!< DAC channel1 DMA underrun error */ 123 #define HAL_DAC_ERROR_DMAUNDERRUNCH2 0x02 /*!< DAC channel2 DMA underrun error */ 124 #define HAL_DAC_ERROR_DMA 0x04 /*!< DMA error */ 125 /** 126 * @} 127 */ 128 129 /** @defgroup DAC_trigger_selection DAC trigger selection 130 * @{ 131 */ 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 */ 141 142 /** 143 * @} 144 */ 145 146 /** @defgroup DAC_output_buffer DAC output buffer 147 * @{ 148 */ 149 #define DAC_OUTPUTBUFFER_ENABLE ((uint32_t)0x00000000) 150 #define DAC_OUTPUTBUFFER_DISABLE ((uint32_t)DAC_CR_BOFF1) 151 152 /** 153 * @} 154 */ 155 156 /** @defgroup DAC_Channel_selection DAC Channel selection 157 * @{ 158 */ 159 #define DAC_CHANNEL_1 ((uint32_t)0x00000000) 160 #define DAC_CHANNEL_2 ((uint32_t)0x00000010) 161 162 /** 163 * @} 164 */ 165 166 /** @defgroup DAC_data_alignement DAC data alignement 167 * @{ 168 */ 169 #define DAC_ALIGN_12B_R ((uint32_t)0x00000000) 170 #define DAC_ALIGN_12B_L ((uint32_t)0x00000004) 171 #define DAC_ALIGN_8B_R ((uint32_t)0x00000008) 172 173 /** 174 * @} 175 */ 176 177 /** @defgroup DAC_flags_definition DAC flags definition 178 * @{ 179 */ 180 #define DAC_FLAG_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1) 181 #define DAC_FLAG_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2) 182 183 /** 184 * @} 185 */ 186 187 /** @defgroup DAC_IT_definition DAC IT definition 188 * @{ 189 */ 190 #define DAC_IT_DMAUDR1 ((uint32_t)DAC_SR_DMAUDR1) 191 #define DAC_IT_DMAUDR2 ((uint32_t)DAC_SR_DMAUDR2) 192 193 /** 194 * @} 195 */ 196 197 /** 198 * @} 199 */ 200 201 /* Exported macro ------------------------------------------------------------*/ 202 203 /** @defgroup DAC_Exported_Macros DAC Exported Macros 204 * @{ 205 */ 206 207 /** @brief Reset DAC handle state 208 * @param __HANDLE__: specifies the DAC handle. 209 * @retval None 210 */ 211 #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET) 212 213 /** @brief Enable the DAC channel 214 * @param __HANDLE__: specifies the DAC handle. 215 * @param __DAC_Channel__: specifies the DAC channel 216 * @retval None 217 */ 218 #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \ 219 ((__HANDLE__)->Instance->CR |= (DAC_CR_EN1 << (__DAC_Channel__))) 220 221 /** @brief Disable the DAC channel 222 * @param __HANDLE__: specifies the DAC handle 223 * @param __DAC_Channel__: specifies the DAC channel. 224 * @retval None 225 */ 226 #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \ 227 ((__HANDLE__)->Instance->CR &= ~(DAC_CR_EN1 << (__DAC_Channel__))) 228 229 230 /** @brief Enable the DAC interrupt 231 * @param __HANDLE__: specifies the DAC handle 232 * @param __INTERRUPT__: specifies the DAC interrupt. 233 * This parameter can be any combination of the following values: 234 * @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt 235 * @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt 236 * @retval None 237 */ 238 #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__)) 239 240 /** @brief Disable the DAC interrupt 241 * @param __HANDLE__: specifies the DAC handle 242 * @param __INTERRUPT__: specifies the DAC interrupt. 243 * This parameter can be any combination of the following values: 244 * @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt 245 * @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt 246 * @retval None 247 */ 248 #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__)) 249 250 /** @brief Checks if the specified DAC interrupt source is enabled or disabled. 251 * @param __HANDLE__: DAC handle 252 * @param __INTERRUPT__: DAC interrupt source to check 253 * This parameter can be any combination of the following values: 254 * @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt 255 * @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt 256 * @retval State of interruption (SET or RESET) 257 */ 258 #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR & (__INTERRUPT__)) == (__INTERRUPT__)) 259 260 /** @brief Get the selected DAC's flag status. 261 * @param __HANDLE__: specifies the DAC handle. 262 * @param __FLAG__: specifies the DAC flag to get. 263 * This parameter can be any combination of the following values: 264 * @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag 265 * @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag 266 * @retval None 267 */ 268 #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__)) 269 270 /** @brief Clear the DAC's flag. 271 * @param __HANDLE__: specifies the DAC handle. 272 * @param __FLAG__: specifies the DAC flag to clear. 273 * This parameter can be any combination of the following values: 274 * @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag 275 * @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag 276 * @retval None 277 */ 278 #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__)) 279 280 /** 281 * @} 282 */ 283 284 /* Private macro -------------------------------------------------------------*/ 285 286 /** @defgroup DAC_Private_Macros DAC Private Macros 287 * @{ 288 */ 289 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_TRIGGER_NONE) || \ 290 ((TRIGGER) == DAC_TRIGGER_T6_TRGO) || \ 291 ((TRIGGER) == DAC_TRIGGER_T7_TRGO) || \ 292 ((TRIGGER) == DAC_TRIGGER_T9_TRGO) || \ 293 ((TRIGGER) == DAC_TRIGGER_T2_TRGO) || \ 294 ((TRIGGER) == DAC_TRIGGER_T4_TRGO) || \ 295 ((TRIGGER) == DAC_TRIGGER_EXT_IT9) || \ 296 ((TRIGGER) == DAC_TRIGGER_SOFTWARE)) 297 298 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \ 299 ((STATE) == DAC_OUTPUTBUFFER_DISABLE)) 300 301 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \ 302 ((CHANNEL) == DAC_CHANNEL_2)) 303 304 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \ 305 ((ALIGN) == DAC_ALIGN_12B_L) || \ 306 ((ALIGN) == DAC_ALIGN_8B_R)) 307 308 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0) 309 310 #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000008) + (__ALIGNMENT__)) 311 312 #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000014) + (__ALIGNMENT__)) 313 314 #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (((uint32_t)0x00000020) + (__ALIGNMENT__)) 315 316 /** 317 * @} 318 */ 319 320 321 /* Include DAC HAL Extension module */ 322 #include "stm32l1xx_hal_dac_ex.h" 323 324 /* Exported functions --------------------------------------------------------*/ 325 326 /** @addtogroup DAC_Exported_Functions 327 * @{ 328 */ 329 330 /** @addtogroup DAC_Exported_Functions_Group1 331 * @{ 332 */ 333 /* Initialization and de-initialization functions *****************************/ 334 HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac); 335 HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac); 336 void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac); 337 void HAL_DAC_MspDeInit(DAC_HandleTypeDef* hdac); 338 339 /** 340 * @} 341 */ 342 343 /** @addtogroup DAC_Exported_Functions_Group2 344 * @{ 345 */ 346 /* IO operation functions *****************************************************/ 347 HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel); 348 HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel); 349 HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment); 350 HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel); 351 HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data); 352 uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel); 353 354 /** 355 * @} 356 */ 357 358 /** @addtogroup DAC_Exported_Functions_Group2 359 * @{ 360 */ 361 /* Peripheral Control functions ***********************************************/ 362 HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel); 363 364 /** 365 * @} 366 */ 367 368 /** @addtogroup DAC_Exported_Functions_Group2 369 * @{ 370 */ 371 /* Peripheral State functions *************************************************/ 372 HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac); 373 void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac); 374 uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac); 375 376 void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef* hdac); 377 void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef* hdac); 378 void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac); 379 void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac); 380 381 /** 382 * @} 383 */ 384 385 /** 386 * @} 387 */ 388 389 /** 390 * @} 391 */ 392 393 /** 394 * @} 395 */ 396 397 #ifdef __cplusplus 398 } 399 #endif 400 401 #endif /*__STM32L1xx_HAL_DAC_H */ 402 403 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 404 405