lib/main/STM32F4/Drivers/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dac.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f4xx_dac.h
   4   * @author  MCD Application Team
   5   * @version V1.7.1
   6   * @date    20-May-2016
   7   * @brief   This file contains all the functions prototypes for the DAC firmware
   8   *          library.
   9   ******************************************************************************
  10   * @attention
  11   *
  12   * <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
  13   *
  14   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  15   * You may not use this file except in compliance with the License.
  16   * You may obtain a copy of the License at:
  17   *
  18   *        http://www.st.com/software_license_agreement_liberty_v2
  19   *
  20   * Unless required by applicable law or agreed to in writing, software
  21   * distributed under the License is distributed on an "AS IS" BASIS,
  22   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  23   * See the License for the specific language governing permissions and
  24   * limitations under the License.
  25   *
  26   ******************************************************************************
  27   */
  28
  29 /* Define to prevent recursive inclusion -------------------------------------*/
  30 #ifndef __STM32F4xx_DAC_H
  31 #define __STM32F4xx_DAC_H
  32
  33 #ifdef __cplusplus
  34  extern "C" {
  35 #endif
  36
  37 /* Includes ------------------------------------------------------------------*/
  38 #include "stm32f4xx.h"
  39
  40 /** @addtogroup STM32F4xx_StdPeriph_Driver
  41   * @{
  42   */
  43
  44 /** @addtogroup DAC
  45   * @{
  46   */
  47
  48 /* Exported types ------------------------------------------------------------*/
  49
  50 /**
  51   * @brief  DAC Init structure definition
  52   */
  53
  54 typedef struct
  55 {
  56   uint32_t DAC_Trigger;                      /*!< Specifies the external trigger for the selected DAC channel.
  57                                                   This parameter can be a value of @ref DAC_trigger_selection */
  58
  59   uint32_t DAC_WaveGeneration;               /*!< Specifies whether DAC channel noise waves or triangle waves
  60                                                   are generated, or whether no wave is generated.
  61                                                   This parameter can be a value of @ref DAC_wave_generation */
  62
  63   uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
  64                                                   the maximum amplitude triangle generation for the DAC channel.
  65                                                   This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */
  66
  67   uint32_t DAC_OutputBuffer;                 /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
  68                                                   This parameter can be a value of @ref DAC_output_buffer */
  69 }DAC_InitTypeDef;
  70
  71 /* Exported constants --------------------------------------------------------*/
  72
  73 /** @defgroup DAC_Exported_Constants
  74   * @{
  75   */
  76
  77 /** @defgroup DAC_trigger_selection
  78   * @{
  79   */
  80
  81 #define DAC_Trigger_None                   ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
  82                                                                        has been loaded, and not by external trigger */
  83 #define DAC_Trigger_T2_TRGO                ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
  84 #define DAC_Trigger_T4_TRGO                ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
  85 #define DAC_Trigger_T5_TRGO                ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */
  86 #define DAC_Trigger_T6_TRGO                ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
  87 #define DAC_Trigger_T7_TRGO                ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
  88 #define DAC_Trigger_T8_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel */
  89
  90 #define DAC_Trigger_Ext_IT9                ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
  91 #define DAC_Trigger_Software               ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */
  92
  93 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
  94                                  ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
  95                                  ((TRIGGER) == DAC_Trigger_T8_TRGO) || \
  96                                  ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
  97                                  ((TRIGGER) == DAC_Trigger_T5_TRGO) || \
  98                                  ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
  99                                  ((TRIGGER) == DAC_Trigger_T4_TRGO) || \
 100                                  ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
 101                                  ((TRIGGER) == DAC_Trigger_Software))
 102
 103 /**
 104   * @}
 105   */
 106
 107 /** @defgroup DAC_wave_generation
 108   * @{
 109   */
 110
 111 #define DAC_WaveGeneration_None            ((uint32_t)0x00000000)
 112 #define DAC_WaveGeneration_Noise           ((uint32_t)0x00000040)
 113 #define DAC_WaveGeneration_Triangle        ((uint32_t)0x00000080)
 114 #define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
 115                                     ((WAVE) == DAC_WaveGeneration_Noise) || \
 116                                     ((WAVE) == DAC_WaveGeneration_Triangle))
 117 /**
 118   * @}
 119   */
 120
 121 /** @defgroup DAC_lfsrunmask_triangleamplitude
 122   * @{
 123   */
 124
 125 #define DAC_LFSRUnmask_Bit0                ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
 126 #define DAC_LFSRUnmask_Bits1_0             ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
 127 #define DAC_LFSRUnmask_Bits2_0             ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
 128 #define DAC_LFSRUnmask_Bits3_0             ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
 129 #define DAC_LFSRUnmask_Bits4_0             ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
 130 #define DAC_LFSRUnmask_Bits5_0             ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
 131 #define DAC_LFSRUnmask_Bits6_0             ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
 132 #define DAC_LFSRUnmask_Bits7_0             ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
 133 #define DAC_LFSRUnmask_Bits8_0             ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
 134 #define DAC_LFSRUnmask_Bits9_0             ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
 135 #define DAC_LFSRUnmask_Bits10_0            ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
 136 #define DAC_LFSRUnmask_Bits11_0            ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
 137 #define DAC_TriangleAmplitude_1            ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
 138 #define DAC_TriangleAmplitude_3            ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
 139 #define DAC_TriangleAmplitude_7            ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
 140 #define DAC_TriangleAmplitude_15           ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
 141 #define DAC_TriangleAmplitude_31           ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
 142 #define DAC_TriangleAmplitude_63           ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
 143 #define DAC_TriangleAmplitude_127          ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
 144 #define DAC_TriangleAmplitude_255          ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
 145 #define DAC_TriangleAmplitude_511          ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
 146 #define DAC_TriangleAmplitude_1023         ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
 147 #define DAC_TriangleAmplitude_2047         ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
 148 #define DAC_TriangleAmplitude_4095         ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
 149
 150 #define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
 151                                                       ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
 152                                                       ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
 153                                                       ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
 154                                                       ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
 155                                                       ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
 156                                                       ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
 157                                                       ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
 158                                                       ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
 159                                                       ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
 160                                                       ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
 161                                                       ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
 162                                                       ((VALUE) == DAC_TriangleAmplitude_1) || \
 163                                                       ((VALUE) == DAC_TriangleAmplitude_3) || \
 164                                                       ((VALUE) == DAC_TriangleAmplitude_7) || \
 165                                                       ((VALUE) == DAC_TriangleAmplitude_15) || \
 166                                                       ((VALUE) == DAC_TriangleAmplitude_31) || \
 167                                                       ((VALUE) == DAC_TriangleAmplitude_63) || \
 168                                                       ((VALUE) == DAC_TriangleAmplitude_127) || \
 169                                                       ((VALUE) == DAC_TriangleAmplitude_255) || \
 170                                                       ((VALUE) == DAC_TriangleAmplitude_511) || \
 171                                                       ((VALUE) == DAC_TriangleAmplitude_1023) || \
 172                                                       ((VALUE) == DAC_TriangleAmplitude_2047) || \
 173                                                       ((VALUE) == DAC_TriangleAmplitude_4095))
 174 /**
 175   * @}
 176   */
 177
 178 /** @defgroup DAC_output_buffer
 179   * @{
 180   */
 181
 182 #define DAC_OutputBuffer_Enable            ((uint32_t)0x00000000)
 183 #define DAC_OutputBuffer_Disable           ((uint32_t)0x00000002)
 184 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
 185                                            ((STATE) == DAC_OutputBuffer_Disable))
 186 /**
 187   * @}
 188   */
 189
 190 /** @defgroup DAC_Channel_selection
 191   * @{
 192   */
 193
 194 #define DAC_Channel_1                      ((uint32_t)0x00000000)
 195 #define DAC_Channel_2                      ((uint32_t)0x00000010)
 196 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
 197                                  ((CHANNEL) == DAC_Channel_2))
 198 /**
 199   * @}
 200   */
 201
 202 /** @defgroup DAC_data_alignement
 203   * @{
 204   */
 205
 206 #define DAC_Align_12b_R                    ((uint32_t)0x00000000)
 207 #define DAC_Align_12b_L                    ((uint32_t)0x00000004)
 208 #define DAC_Align_8b_R                     ((uint32_t)0x00000008)
 209 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
 210                              ((ALIGN) == DAC_Align_12b_L) || \
 211                              ((ALIGN) == DAC_Align_8b_R))
 212 /**
 213   * @}
 214   */
 215
 216 /** @defgroup DAC_wave_generation
 217   * @{
 218   */
 219
 220 #define DAC_Wave_Noise                     ((uint32_t)0x00000040)
 221 #define DAC_Wave_Triangle                  ((uint32_t)0x00000080)
 222 #define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
 223                            ((WAVE) == DAC_Wave_Triangle))
 224 /**
 225   * @}
 226   */
 227
 228 /** @defgroup DAC_data
 229   * @{
 230   */
 231
 232 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
 233 /**
 234   * @}
 235   */
 236
 237 /** @defgroup DAC_interrupts_definition
 238   * @{
 239   */
 240 #define DAC_IT_DMAUDR                      ((uint32_t)0x00002000)
 241 #define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
 242
 243 /**
 244   * @}
 245   */
 246
 247 /** @defgroup DAC_flags_definition
 248   * @{
 249   */
 250
 251 #define DAC_FLAG_DMAUDR                    ((uint32_t)0x00002000)
 252 #define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
 253
 254 /**
 255   * @}
 256   */
 257
 258 /**
 259   * @}
 260   */
 261
 262 /* Exported macro ------------------------------------------------------------*/
 263 /* Exported functions --------------------------------------------------------*/
 264
 265 /*  Function used to set the DAC configuration to the default reset state *****/
 266 void DAC_DeInit(void);
 267
 268 /*  DAC channels configuration: trigger, output buffer, data format functions */
 269 void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
 270 void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
 271 void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
 272 void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
 273 void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);
 274 void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);
 275 void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
 276 void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);
 277 void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);
 278 uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
 279
 280 /* DMA management functions ***************************************************/
 281 void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
 282
 283 /* Interrupts and flags management functions **********************************/
 284 void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);
 285 FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);
 286 void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);
 287 ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);
 288 void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);
 289
 290 #ifdef __cplusplus
 291 }
 292 #endif
 293
 294 #endif /*__STM32F4xx_DAC_H */
 295
 296 /**
 297   * @}
 298   */
 299
 300 /**
 301   * @}
 302   */
 303
 304 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/