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   1 /**\r
   2   ******************************************************************************\r
   3   * @file    stm32f10x_dac.h\r
   4   * @author  MCD Application Team\r
   5   * @version V3.1.2\r
   6   * @date    09/28/2009\r
   7   * @brief   This file contains all the functions prototypes for the DAC firmware \r
   8   *          library.\r
   9   ******************************************************************************\r
  10   * @copy\r
  11   *\r
  12   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
  13   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE\r
  14   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY\r
  15   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING\r
  16   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE\r
  17   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
  18   *\r
  19   * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>\r
  20   */ \r
  21 \r
  22 /* Define to prevent recursive inclusion -------------------------------------*/\r
  23 #ifndef __STM32F10x_DAC_H\r
  24 #define __STM32F10x_DAC_H\r
  25 \r
  26 #ifdef __cplusplus\r
  27  extern "C" {\r
  28 #endif\r
  29 \r
  30 /* Includes ------------------------------------------------------------------*/\r
  31 #include "stm32f10x.h"\r
  32 \r
  33 /** @addtogroup STM32F10x_StdPeriph_Driver\r
  34   * @{\r
  35   */\r
  36 \r
  37 /** @addtogroup DAC\r
  38   * @{\r
  39   */\r
  40 \r
  41 /** @defgroup DAC_Exported_Types\r
  42   * @{\r
  43   */\r
  44 \r
  45 /** \r
  46   * @brief  DAC Init structure definition\r
  47   */\r
  48 \r
  49 typedef struct\r
  50 {\r
  51   uint32_t DAC_Trigger;                      /*!< Specifies the external trigger for the selected DAC channel.\r
  52                                                   This parameter can be a value of @ref DAC_trigger_selection */\r
  53 \r
  54   uint32_t DAC_WaveGeneration;               /*!< Specifies whether DAC channel noise waves or triangle waves\r
  55                                                   are generated, or whether no wave is generated.\r
  56                                                   This parameter can be a value of @ref DAC_wave_generation */\r
  57 \r
  58   uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or\r
  59                                                   the maximum amplitude triangle generation for the DAC channel. \r
  60                                                   This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */\r
  61 \r
  62   uint32_t DAC_OutputBuffer;                 /*!< Specifies whether the DAC channel output buffer is enabled or disabled.\r
  63                                                   This parameter can be a value of @ref DAC_output_buffer */\r
  64 }DAC_InitTypeDef;\r
  65 \r
  66 /**\r
  67   * @}\r
  68   */\r
  69 \r
  70 /** @defgroup DAC_Exported_Constants\r
  71   * @{\r
  72   */\r
  73 \r
  74 /** @defgroup DAC_trigger_selection \r
  75   * @{\r
  76   */\r
  77 \r
  78 #define DAC_Trigger_None                   ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register \r
  79                                                                        has been loaded, and not by external trigger */\r
  80 #define DAC_Trigger_T6_TRGO                ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */\r
  81 #define DAC_Trigger_T8_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel\r
  82                                                                        only in High-density devices*/\r
  83 #define DAC_Trigger_T3_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel\r
  84                                                                        only in Connectivity line devices */\r
  85 #define DAC_Trigger_T7_TRGO                ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */\r
  86 #define DAC_Trigger_T5_TRGO                ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */\r
  87 #define DAC_Trigger_T2_TRGO                ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */\r
  88 #define DAC_Trigger_T4_TRGO                ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */\r
  89 #define DAC_Trigger_Ext_IT9                ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */\r
  90 #define DAC_Trigger_Software               ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */\r
  91 \r
  92 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \\r
  93                                  ((TRIGGER) == DAC_Trigger_T6_TRGO) || \\r
  94                                  ((TRIGGER) == DAC_Trigger_T8_TRGO) || \\r
  95                                  ((TRIGGER) == DAC_Trigger_T7_TRGO) || \\r
  96                                  ((TRIGGER) == DAC_Trigger_T5_TRGO) || \\r
  97                                  ((TRIGGER) == DAC_Trigger_T2_TRGO) || \\r
  98                                  ((TRIGGER) == DAC_Trigger_T4_TRGO) || \\r
  99                                  ((TRIGGER) == DAC_Trigger_Ext_IT9) || \\r
 100                                  ((TRIGGER) == DAC_Trigger_Software))\r
 101 \r
 102 /**\r
 103   * @}\r
 104   */\r
 105 \r
 106 /** @defgroup DAC_wave_generation \r
 107   * @{\r
 108   */\r
 109 \r
 110 #define DAC_WaveGeneration_None            ((uint32_t)0x00000000)\r
 111 #define DAC_WaveGeneration_Noise           ((uint32_t)0x00000040)\r
 112 #define DAC_WaveGeneration_Triangle        ((uint32_t)0x00000080)\r
 113 #define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \\r
 114                                     ((WAVE) == DAC_WaveGeneration_Noise) || \\r
 115                                     ((WAVE) == DAC_WaveGeneration_Triangle))\r
 116 /**\r
 117   * @}\r
 118   */\r
 119 \r
 120 /** @defgroup DAC_lfsrunmask_triangleamplitude\r
 121   * @{\r
 122   */\r
 123 \r
 124 #define DAC_LFSRUnmask_Bit0                ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */\r
 125 #define DAC_LFSRUnmask_Bits1_0             ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */\r
 126 #define DAC_LFSRUnmask_Bits2_0             ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */\r
 127 #define DAC_LFSRUnmask_Bits3_0             ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */\r
 128 #define DAC_LFSRUnmask_Bits4_0             ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */\r
 129 #define DAC_LFSRUnmask_Bits5_0             ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */\r
 130 #define DAC_LFSRUnmask_Bits6_0             ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */\r
 131 #define DAC_LFSRUnmask_Bits7_0             ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */\r
 132 #define DAC_LFSRUnmask_Bits8_0             ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */\r
 133 #define DAC_LFSRUnmask_Bits9_0             ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */\r
 134 #define DAC_LFSRUnmask_Bits10_0            ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */\r
 135 #define DAC_LFSRUnmask_Bits11_0            ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */\r
 136 #define DAC_TriangleAmplitude_1            ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */\r
 137 #define DAC_TriangleAmplitude_3            ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */\r
 138 #define DAC_TriangleAmplitude_7            ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */\r
 139 #define DAC_TriangleAmplitude_15           ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */\r
 140 #define DAC_TriangleAmplitude_31           ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */\r
 141 #define DAC_TriangleAmplitude_63           ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */\r
 142 #define DAC_TriangleAmplitude_127          ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */\r
 143 #define DAC_TriangleAmplitude_255          ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */\r
 144 #define DAC_TriangleAmplitude_511          ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */\r
 145 #define DAC_TriangleAmplitude_1023         ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */\r
 146 #define DAC_TriangleAmplitude_2047         ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */\r
 147 #define DAC_TriangleAmplitude_4095         ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */\r
 148 \r
 149 #define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \\r
 150                                                       ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \\r
 151                                                       ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \\r
 152                                                       ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \\r
 153                                                       ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \\r
 154                                                       ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \\r
 155                                                       ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \\r
 156                                                       ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \\r
 157                                                       ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \\r
 158                                                       ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \\r
 159                                                       ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \\r
 160                                                       ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \\r
 161                                                       ((VALUE) == DAC_TriangleAmplitude_1) || \\r
 162                                                       ((VALUE) == DAC_TriangleAmplitude_3) || \\r
 163                                                       ((VALUE) == DAC_TriangleAmplitude_7) || \\r
 164                                                       ((VALUE) == DAC_TriangleAmplitude_15) || \\r
 165                                                       ((VALUE) == DAC_TriangleAmplitude_31) || \\r
 166                                                       ((VALUE) == DAC_TriangleAmplitude_63) || \\r
 167                                                       ((VALUE) == DAC_TriangleAmplitude_127) || \\r
 168                                                       ((VALUE) == DAC_TriangleAmplitude_255) || \\r
 169                                                       ((VALUE) == DAC_TriangleAmplitude_511) || \\r
 170                                                       ((VALUE) == DAC_TriangleAmplitude_1023) || \\r
 171                                                       ((VALUE) == DAC_TriangleAmplitude_2047) || \\r
 172                                                       ((VALUE) == DAC_TriangleAmplitude_4095))\r
 173 /**\r
 174   * @}\r
 175   */\r
 176 \r
 177 /** @defgroup DAC_output_buffer \r
 178   * @{\r
 179   */\r
 180 \r
 181 #define DAC_OutputBuffer_Enable            ((uint32_t)0x00000000)\r
 182 #define DAC_OutputBuffer_Disable           ((uint32_t)0x00000002)\r
 183 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \\r
 184                                            ((STATE) == DAC_OutputBuffer_Disable))\r
 185 /**\r
 186   * @}\r
 187   */\r
 188 \r
 189 /** @defgroup DAC_Channel_selection \r
 190   * @{\r
 191   */\r
 192 \r
 193 #define DAC_Channel_1                      ((uint32_t)0x00000000)\r
 194 #define DAC_Channel_2                      ((uint32_t)0x00000010)\r
 195 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \\r
 196                                  ((CHANNEL) == DAC_Channel_2))\r
 197 /**\r
 198   * @}\r
 199   */\r
 200 \r
 201 /** @defgroup DAC_data_alignement \r
 202   * @{\r
 203   */\r
 204 \r
 205 #define DAC_Align_12b_R                    ((uint32_t)0x00000000)\r
 206 #define DAC_Align_12b_L                    ((uint32_t)0x00000004)\r
 207 #define DAC_Align_8b_R                     ((uint32_t)0x00000008)\r
 208 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \\r
 209                              ((ALIGN) == DAC_Align_12b_L) || \\r
 210                              ((ALIGN) == DAC_Align_8b_R))\r
 211 /**\r
 212   * @}\r
 213   */\r
 214 \r
 215 /** @defgroup DAC_wave_generation \r
 216   * @{\r
 217   */\r
 218 \r
 219 #define DAC_Wave_Noise                     ((uint32_t)0x00000040)\r
 220 #define DAC_Wave_Triangle                  ((uint32_t)0x00000080)\r
 221 #define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \\r
 222                            ((WAVE) == DAC_Wave_Triangle))\r
 223 /**\r
 224   * @}\r
 225   */\r
 226 \r
 227 /** @defgroup DAC_data \r
 228   * @{\r
 229   */\r
 230 \r
 231 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0) \r
 232 /**\r
 233   * @}\r
 234   */\r
 235 \r
 236 /**\r
 237   * @}\r
 238   */\r
 239 \r
 240 /** @defgroup DAC_Exported_Macros\r
 241   * @{\r
 242   */\r
 243 \r
 244 /**\r
 245   * @}\r
 246   */\r
 247 \r
 248 /** @defgroup DAC_Exported_Functions\r
 249   * @{\r
 250   */\r
 251 \r
 252 void DAC_DeInit(void);\r
 253 void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);\r
 254 void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);\r
 255 void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);\r
 256 void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);\r
 257 void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);\r
 258 void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);\r
 259 void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);\r
 260 void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);\r
 261 void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);\r
 262 void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);\r
 263 uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);\r
 264 \r
 265 #ifdef __cplusplus\r
 266 }\r
 267 #endif\r
 268 \r
 269 #endif /*__STM32F10x_DAC_H */\r
 270 /**\r
 271   * @}\r
 272   */\r
 273 \r
 274 /**\r
 275   * @}\r
 276   */\r
 277 \r
 278 /**\r
 279   * @}\r
 280   */\r
 281 \r
 282 /******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/\r