stm32f3xx_ll_dac.h 75 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f3xx_ll_dac.h
  4. * @author MCD Application Team
  5. * @brief Header file of DAC LL 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. /* Define to prevent recursive inclusion -------------------------------------*/
  19. #ifndef __STM32F3xx_LL_DAC_H
  20. #define __STM32F3xx_LL_DAC_H
  21. #ifdef __cplusplus
  22. extern "C" {
  23. #endif
  24. /* Includes ------------------------------------------------------------------*/
  25. #include "stm32f3xx.h"
  26. /** @addtogroup STM32F3xx_LL_Driver
  27. * @{
  28. */
  29. #if defined (DAC1) || defined (DAC2)
  30. /** @defgroup DAC_LL DAC
  31. * @{
  32. */
  33. /* Private types -------------------------------------------------------------*/
  34. /* Private variables ---------------------------------------------------------*/
  35. /* Private constants ---------------------------------------------------------*/
  36. /** @defgroup DAC_LL_Private_Constants DAC Private Constants
  37. * @{
  38. */
  39. /* Internal masks for DAC channels definition */
  40. /* To select into literal LL_DAC_CHANNEL_x the relevant bits for: */
  41. /* - channel bits position into register CR */
  42. /* - channel bits position into register SWTRIG */
  43. /* - channel register offset of data holding register DHRx */
  44. /* - channel register offset of data output register DORx */
  45. #define DAC_CR_CH1_BITOFFSET 0U /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 1 */
  46. #define DAC_CR_CH2_BITOFFSET 16U /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 2 */
  47. #define DAC_CR_CHX_BITOFFSET_MASK (DAC_CR_CH1_BITOFFSET | DAC_CR_CH2_BITOFFSET)
  48. #define DAC_SWTR_CH1 (DAC_SWTRIGR_SWTRIG1) /* Channel bit into register SWTRIGR of channel 1. This bit is into area of LL_DAC_CR_CHx_BITOFFSET but excluded by mask DAC_CR_CHX_BITOFFSET_MASK (done to be enable to trig SW start of both DAC channels simultaneously). */
  49. #if defined(DAC_CHANNEL2_SUPPORT)
  50. #define DAC_SWTR_CH2 (DAC_SWTRIGR_SWTRIG2) /* Channel bit into register SWTRIGR of channel 2. This bit is into area of LL_DAC_CR_CHx_BITOFFSET but excluded by mask DAC_CR_CHX_BITOFFSET_MASK (done to be enable to trig SW start of both DAC channels simultaneously). */
  51. #define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1 | DAC_SWTR_CH2)
  52. #else
  53. #define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1)
  54. #endif /* DAC_CHANNEL2_SUPPORT */
  55. #define DAC_REG_DHR12R1_REGOFFSET 0x00000000U /* Register DHR12Rx channel 1 taken as reference */
  56. #define DAC_REG_DHR12L1_REGOFFSET 0x00100000U /* Register offset of DHR12Lx channel 1 versus DHR12Rx channel 1 (shifted left of 20 bits) */
  57. #define DAC_REG_DHR8R1_REGOFFSET 0x02000000U /* Register offset of DHR8Rx channel 1 versus DHR12Rx channel 1 (shifted left of 24 bits) */
  58. #if defined(DAC_CHANNEL2_SUPPORT)
  59. #define DAC_REG_DHR12R2_REGOFFSET 0x00030000U /* Register offset of DHR12Rx channel 2 versus DHR12Rx channel 1 (shifted left of 16 bits) */
  60. #define DAC_REG_DHR12L2_REGOFFSET 0x00400000U /* Register offset of DHR12Lx channel 2 versus DHR12Rx channel 1 (shifted left of 20 bits) */
  61. #define DAC_REG_DHR8R2_REGOFFSET 0x05000000U /* Register offset of DHR8Rx channel 2 versus DHR12Rx channel 1 (shifted left of 24 bits) */
  62. #endif /* DAC_CHANNEL2_SUPPORT */
  63. #define DAC_REG_DHR12RX_REGOFFSET_MASK 0x000F0000U
  64. #define DAC_REG_DHR12LX_REGOFFSET_MASK 0x00F00000U
  65. #define DAC_REG_DHR8RX_REGOFFSET_MASK 0x0F000000U
  66. #define DAC_REG_DHRX_REGOFFSET_MASK (DAC_REG_DHR12RX_REGOFFSET_MASK | DAC_REG_DHR12LX_REGOFFSET_MASK | DAC_REG_DHR8RX_REGOFFSET_MASK)
  67. #define DAC_REG_DOR1_REGOFFSET 0x00000000U /* Register DORx channel 1 taken as reference */
  68. #if defined(DAC_CHANNEL2_SUPPORT)
  69. #define DAC_REG_DOR2_REGOFFSET 0x10000000U /* Register offset of DORx channel 1 versus DORx channel 2 (shifted left of 28 bits) */
  70. #define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET | DAC_REG_DOR2_REGOFFSET)
  71. #else
  72. #define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET)
  73. #endif /* DAC_CHANNEL2_SUPPORT */
  74. /* DAC registers bits positions */
  75. #if defined(DAC_CHANNEL2_SUPPORT)
  76. #define DAC_DHR12RD_DACC2DHR_BITOFFSET_POS 16U /* Value equivalent to POSITION_VAL(DAC_DHR12RD_DACC2DHR) */
  77. #define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS 20U /* Value equivalent to POSITION_VAL(DAC_DHR12LD_DACC2DHR) */
  78. #define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS 8U /* Value equivalent to POSITION_VAL(DAC_DHR8RD_DACC2DHR) */
  79. #endif /* DAC_CHANNEL2_SUPPORT */
  80. /* Miscellaneous data */
  81. #define DAC_DIGITAL_SCALE_12BITS 4095U /* Full-scale digital value with a resolution of 12 bits (voltage range determined by analog voltage references Vref+ and Vref-, refer to reference manual) */
  82. /**
  83. * @}
  84. */
  85. /* Private macros ------------------------------------------------------------*/
  86. /** @defgroup DAC_LL_Private_Macros DAC Private Macros
  87. * @{
  88. */
  89. /**
  90. * @brief Driver macro reserved for internal use: isolate bits with the
  91. * selected mask and shift them to the register LSB
  92. * (shift mask on register position bit 0).
  93. * @param __BITS__ Bits in register 32 bits
  94. * @param __MASK__ Mask in register 32 bits
  95. * @retval Bits in register 32 bits
  96. */
  97. #define __DAC_MASK_SHIFT(__BITS__, __MASK__) \
  98. (((__BITS__) & (__MASK__)) >> POSITION_VAL((__MASK__)))
  99. /**
  100. * @brief Driver macro reserved for internal use: set a pointer to
  101. * a register from a register basis from which an offset
  102. * is applied.
  103. * @param __REG__ Register basis from which the offset is applied.
  104. * @param __REG_OFFFSET__ Offset to be applied (unit: number of registers).
  105. * @retval Pointer to register address
  106. */
  107. #define __DAC_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__) \
  108. ((__IO uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2U))))
  109. /**
  110. * @}
  111. */
  112. /* Exported types ------------------------------------------------------------*/
  113. #if defined(USE_FULL_LL_DRIVER)
  114. /** @defgroup DAC_LL_ES_INIT DAC Exported Init structure
  115. * @{
  116. */
  117. /**
  118. * @brief Structure definition of some features of DAC instance.
  119. */
  120. typedef struct
  121. {
  122. uint32_t TriggerSource; /*!< Set the conversion trigger source for the selected DAC channel: internal (SW start) or from external IP (timer event, external interrupt line).
  123. This parameter can be a value of @ref DAC_LL_EC_TRIGGER_SOURCE
  124. This feature can be modified afterwards using unitary function @ref LL_DAC_SetTriggerSource(). */
  125. uint32_t WaveAutoGeneration; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  126. This parameter can be a value of @ref DAC_LL_EC_WAVE_AUTO_GENERATION_MODE
  127. This feature can be modified afterwards using unitary function @ref LL_DAC_SetWaveAutoGeneration(). */
  128. uint32_t WaveAutoGenerationConfig; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  129. If waveform automatic generation mode is set to noise, this parameter can be a value of @ref DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS
  130. If waveform automatic generation mode is set to triangle, this parameter can be a value of @ref DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE
  131. @note If waveform automatic generation mode is disabled, this parameter is discarded.
  132. This feature can be modified afterwards using unitary function @ref LL_DAC_SetWaveNoiseLFSR() or @ref LL_DAC_SetWaveTriangleAmplitude(), depending on the wave automatic generation selected. */
  133. uint32_t OutputBuffer; /*!< Set the output buffer for the selected DAC channel.
  134. This parameter can be a value of @ref DAC_LL_EC_OUTPUT_BUFFER
  135. This feature can be modified afterwards using unitary function @ref LL_DAC_SetOutputBuffer(). */
  136. } LL_DAC_InitTypeDef;
  137. /**
  138. * @}
  139. */
  140. #endif /* USE_FULL_LL_DRIVER */
  141. /* Exported constants --------------------------------------------------------*/
  142. /** @defgroup DAC_LL_Exported_Constants DAC Exported Constants
  143. * @{
  144. */
  145. /** @defgroup DAC_LL_EC_GET_FLAG DAC flags
  146. * @brief Flags defines which can be used with LL_DAC_ReadReg function
  147. * @{
  148. */
  149. /* DAC channel 1 flags */
  150. #define LL_DAC_FLAG_DMAUDR1 (DAC_SR_DMAUDR1) /*!< DAC channel 1 flag DMA underrun */
  151. #if defined(DAC_CHANNEL2_SUPPORT)
  152. /* DAC channel 2 flags */
  153. #define LL_DAC_FLAG_DMAUDR2 (DAC_SR_DMAUDR2) /*!< DAC channel 2 flag DMA underrun */
  154. #endif /* DAC_CHANNEL2_SUPPORT */
  155. /**
  156. * @}
  157. */
  158. /** @defgroup DAC_LL_EC_IT DAC interruptions
  159. * @brief IT defines which can be used with LL_DAC_ReadReg and LL_DAC_WriteReg functions
  160. * @{
  161. */
  162. #define LL_DAC_IT_DMAUDRIE1 (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
  163. #if defined(DAC_CHANNEL2_SUPPORT)
  164. #define LL_DAC_IT_DMAUDRIE2 (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
  165. #endif /* DAC_CHANNEL2_SUPPORT */
  166. /**
  167. * @}
  168. */
  169. /** @defgroup DAC_LL_EC_CHANNEL DAC channels
  170. * @{
  171. */
  172. #define LL_DAC_CHANNEL_1 (DAC_REG_DOR1_REGOFFSET | DAC_REG_DHR12R1_REGOFFSET | DAC_REG_DHR12L1_REGOFFSET | DAC_REG_DHR8R1_REGOFFSET | DAC_CR_CH1_BITOFFSET | DAC_SWTR_CH1) /*!< DAC channel 1 */
  173. #if defined(DAC_CHANNEL2_SUPPORT)
  174. #define LL_DAC_CHANNEL_2 (DAC_REG_DOR2_REGOFFSET | DAC_REG_DHR12R2_REGOFFSET | DAC_REG_DHR12L2_REGOFFSET | DAC_REG_DHR8R2_REGOFFSET | DAC_CR_CH2_BITOFFSET | DAC_SWTR_CH2) /*!< DAC channel 2 */
  175. #endif /* DAC_CHANNEL2_SUPPORT */
  176. /**
  177. * @}
  178. */
  179. /** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
  180. * @{
  181. */
  182. #define LL_DAC_TRIG_SOFTWARE (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
  183. #if defined(STM32F303xE) || defined(STM32F398xx) || defined(STM32F303xC) || defined(STM32F358xx)
  184. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  185. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. Trigger remap: by default, default trigger. If needed to restore trigger, use @ref LL_SYSCFG_DAC1_TRIG1_REMAP_TIM3_TRGO for TIM3 selection. */
  186. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
  187. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  188. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  189. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */
  190. #define LL_DAC_TRIG_EXT_TIM8_TRGO (LL_DAC_TRIG_EXT_TIM3_TRGO) /*!< DAC channel conversion trigger from external IP: TIM8 TRGO. Trigger remap: use @ref LL_SYSCFG_DAC1_TRIG1_REMAP_TIM8_TRGO for TIM8 selection. */
  191. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  192. #elif defined(STM32F303x8) || defined(STM32F328xx)
  193. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  194. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. */
  195. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
  196. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  197. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  198. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  199. #elif defined(STM32F302xE) || defined(STM32F302xC) || defined(STM32F302x8)
  200. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  201. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. */
  202. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  203. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  204. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0 ) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */
  205. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  206. #elif defined(STM32F301x8) || defined(STM32F318xx)
  207. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  208. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  209. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  210. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  211. #elif defined(STM32F373xC) || defined(STM32F378xx)
  212. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  213. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. */
  214. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
  215. #define LL_DAC_TRIG_EXT_TIM5_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  216. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  217. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */
  218. #define LL_DAC_TRIG_EXT_TIM18_TRGO (LL_DAC_TRIG_EXT_TIM5_TRGO) /*!< DAC channel conversion trigger from external IP: TIM18 TRGO. */
  219. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  220. #elif defined(STM32F334x8)
  221. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  222. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. Trigger remap: by default, default trigger. If needed to restore trigger, use @ref LL_SYSCFG_DAC1_TRIG1_REMAP_TIM3_TRGO for TIM3 selection. */
  223. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
  224. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  225. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM15 TRGO. Trigger remap: by default, default trigger. If needed to restore trigger, use @ref LL_SYSCFG_DAC1_TRIG3_REMAP_TIM15_TRGO for TIM15 selection. */
  226. #define LL_DAC_TRIGGER_HRTIM1_DACTRG1 (LL_DAC_TRIG_EXT_TIM15_TRGO) /*!< DAC channel conversion trigger from external IP: HRTIM1 DACTRG1. Available only on DAC instance: DAC1. Trigger remap: use @ref LL_SYSCFG_DAC1_TRIG3_REMAP_HRTIM1_DAC1_TRIG1 for HRTIM1 TRIG1 selection. */
  227. #define LL_DAC_TRIGGER_HRTIM1_DACTRG2 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: HRTIM1 DACTRG2. Available only on DAC instance: DAC2. Trigger remap: use @ref LL_SYSCFG_DAC1_TRIG5_REMAP_HRTIM1_DAC1_TRIG2 for HRTIM1 TRIG2 selection. */
  228. #define LL_DAC_TRIGGER_HRTIM1_DACTRG3 (LL_DAC_TRIGGER_HRTIM1_DACTRG2) /*!< DAC channel conversion trigger from external IP: HRTIM1 DACTRG3. */
  229. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  230. #endif
  231. /**
  232. * @}
  233. */
  234. /** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
  235. * @{
  236. */
  237. #define LL_DAC_WAVE_AUTO_GENERATION_NONE 0x00000000U /*!< DAC channel wave auto generation mode disabled. */
  238. #define LL_DAC_WAVE_AUTO_GENERATION_NOISE (DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
  239. #define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
  240. /**
  241. * @}
  242. */
  243. /** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
  244. * @{
  245. */
  246. #define LL_DAC_NOISE_LFSR_UNMASK_BIT0 0x00000000U /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
  247. #define LL_DAC_NOISE_LFSR_UNMASK_BITS1_0 ( DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[1:0], for the selected DAC channel */
  248. #define LL_DAC_NOISE_LFSR_UNMASK_BITS2_0 ( DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[2:0], for the selected DAC channel */
  249. #define LL_DAC_NOISE_LFSR_UNMASK_BITS3_0 ( DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[3:0], for the selected DAC channel */
  250. #define LL_DAC_NOISE_LFSR_UNMASK_BITS4_0 ( DAC_CR_MAMP1_2 ) /*!< Noise wave generation, unmask LFSR bits[4:0], for the selected DAC channel */
  251. #define LL_DAC_NOISE_LFSR_UNMASK_BITS5_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[5:0], for the selected DAC channel */
  252. #define LL_DAC_NOISE_LFSR_UNMASK_BITS6_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[6:0], for the selected DAC channel */
  253. #define LL_DAC_NOISE_LFSR_UNMASK_BITS7_0 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[7:0], for the selected DAC channel */
  254. #define LL_DAC_NOISE_LFSR_UNMASK_BITS8_0 (DAC_CR_MAMP1_3 ) /*!< Noise wave generation, unmask LFSR bits[8:0], for the selected DAC channel */
  255. #define LL_DAC_NOISE_LFSR_UNMASK_BITS9_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[9:0], for the selected DAC channel */
  256. #define LL_DAC_NOISE_LFSR_UNMASK_BITS10_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 ) /*!< Noise wave generation, unmask LFSR bits[10:0], for the selected DAC channel */
  257. #define LL_DAC_NOISE_LFSR_UNMASK_BITS11_0 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Noise wave generation, unmask LFSR bits[11:0], for the selected DAC channel */
  258. /**
  259. * @}
  260. */
  261. /** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
  262. * @{
  263. */
  264. #define LL_DAC_TRIANGLE_AMPLITUDE_1 0x00000000U /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
  265. #define LL_DAC_TRIANGLE_AMPLITUDE_3 ( DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 3 LSB of DAC output range, for the selected DAC channel */
  266. #define LL_DAC_TRIANGLE_AMPLITUDE_7 ( DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 7 LSB of DAC output range, for the selected DAC channel */
  267. #define LL_DAC_TRIANGLE_AMPLITUDE_15 ( DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 15 LSB of DAC output range, for the selected DAC channel */
  268. #define LL_DAC_TRIANGLE_AMPLITUDE_31 ( DAC_CR_MAMP1_2 ) /*!< Triangle wave generation, amplitude of 31 LSB of DAC output range, for the selected DAC channel */
  269. #define LL_DAC_TRIANGLE_AMPLITUDE_63 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 63 LSB of DAC output range, for the selected DAC channel */
  270. #define LL_DAC_TRIANGLE_AMPLITUDE_127 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 127 LSB of DAC output range, for the selected DAC channel */
  271. #define LL_DAC_TRIANGLE_AMPLITUDE_255 ( DAC_CR_MAMP1_2 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 255 LSB of DAC output range, for the selected DAC channel */
  272. #define LL_DAC_TRIANGLE_AMPLITUDE_511 (DAC_CR_MAMP1_3 ) /*!< Triangle wave generation, amplitude of 512 LSB of DAC output range, for the selected DAC channel */
  273. #define LL_DAC_TRIANGLE_AMPLITUDE_1023 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 1023 LSB of DAC output range, for the selected DAC channel */
  274. #define LL_DAC_TRIANGLE_AMPLITUDE_2047 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 ) /*!< Triangle wave generation, amplitude of 2047 LSB of DAC output range, for the selected DAC channel */
  275. #define LL_DAC_TRIANGLE_AMPLITUDE_4095 (DAC_CR_MAMP1_3 | DAC_CR_MAMP1_1 | DAC_CR_MAMP1_0) /*!< Triangle wave generation, amplitude of 4095 LSB of DAC output range, for the selected DAC channel */
  276. /**
  277. * @}
  278. */
  279. /** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
  280. * @{
  281. */
  282. #define LL_DAC_OUTPUT_BUFFER_ENABLE 0x00000000U /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
  283. #define LL_DAC_OUTPUT_BUFFER_DISABLE (DAC_CR_BOFF1) /*!< The selected DAC channel output is not buffered: lower drive current capability, but also lower current consumption */
  284. #if defined(DAC_CR_OUTEN1) || defined(DAC_CR_OUTEN2)
  285. #define LL_DAC_OUTPUT_SWITCH_DISABLE (LL_DAC_OUTPUT_BUFFER_ENABLE) /*!< Feature specific to STM32F303x6/8 and STM32F328: On DAC1 channel 2, output buffer is replaced by a switch to connect DAC channel output to pin PA5. On DAC2 channel 1, output buffer is replaced by a switch to connect DAC channel output to pin PA6. Selection of switch disabled: DAC channel output not connected to GPIO. */
  286. #define LL_DAC_OUTPUT_SWITCH_ENABLE (LL_DAC_OUTPUT_BUFFER_DISABLE) /*!< Feature specific to STM32F303x6/8 and STM32F328: On DAC1 channel 2, output buffer is replaced by a switch to connect DAC channel output to pin PA5. On DAC2 channel 1, output buffer is replaced by a switch to connect DAC channel output to pin PA6. */
  287. #endif
  288. /**
  289. * @}
  290. */
  291. /** @defgroup DAC_LL_EC_RESOLUTION DAC channel output resolution
  292. * @{
  293. */
  294. #define LL_DAC_RESOLUTION_12B 0x00000000U /*!< DAC channel resolution 12 bits */
  295. #define LL_DAC_RESOLUTION_8B 0x00000002U /*!< DAC channel resolution 8 bits */
  296. /**
  297. * @}
  298. */
  299. /** @defgroup DAC_LL_EC_REGISTERS DAC registers compliant with specific purpose
  300. * @{
  301. */
  302. /* List of DAC registers intended to be used (most commonly) with */
  303. /* DMA transfer. */
  304. /* Refer to function @ref LL_DAC_DMA_GetRegAddr(). */
  305. #define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED DAC_REG_DHR12RX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits right aligned */
  306. #define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits left aligned */
  307. #define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_MASK /*!< DAC channel data holding register 8 bits right aligned */
  308. /**
  309. * @}
  310. */
  311. /** @defgroup DAC_LL_EC_HW_DELAYS Definitions of DAC hardware constraints delays
  312. * @note Only DAC IP HW delays are defined in DAC LL driver driver,
  313. * not timeout values.
  314. * For details on delays values, refer to descriptions in source code
  315. * above each literal definition.
  316. * @{
  317. */
  318. /* Delay for DAC channel voltage settling time from DAC channel startup */
  319. /* (transition from disable to enable). */
  320. /* Note: DAC channel startup time depends on board application environment: */
  321. /* impedance connected to DAC channel output. */
  322. /* The delay below is specified under conditions: */
  323. /* - voltage maximum transition (lowest to highest value) */
  324. /* - until voltage reaches final value +-1LSB */
  325. /* - DAC channel output buffer enabled */
  326. /* - load impedance of 5kOhm (min), 50pF (max) */
  327. /* Literal set to maximum value (refer to device datasheet, */
  328. /* parameter "tWAKEUP"). */
  329. /* Unit: us */
  330. #define LL_DAC_DELAY_STARTUP_VOLTAGE_SETTLING_US 15U /*!< Delay for DAC channel voltage settling time from DAC channel startup (transition from disable to enable) */
  331. /* Delay for DAC channel voltage settling time. */
  332. /* Note: DAC channel startup time depends on board application environment: */
  333. /* impedance connected to DAC channel output. */
  334. /* The delay below is specified under conditions: */
  335. /* - voltage maximum transition (lowest to highest value) */
  336. /* - until voltage reaches final value +-1LSB */
  337. /* - DAC channel output buffer enabled */
  338. /* - load impedance of 5kOhm min, 50pF max */
  339. /* Literal set to maximum value (refer to device datasheet, */
  340. /* parameter "tSETTLING"). */
  341. /* Unit: us */
  342. #define LL_DAC_DELAY_VOLTAGE_SETTLING_US 12U /*!< Delay for DAC channel voltage settling time */
  343. /**
  344. * @}
  345. */
  346. /**
  347. * @}
  348. */
  349. /* Exported macro ------------------------------------------------------------*/
  350. /** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
  351. * @{
  352. */
  353. /** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
  354. * @{
  355. */
  356. /**
  357. * @brief Write a value in DAC register
  358. * @param __INSTANCE__ DAC Instance
  359. * @param __REG__ Register to be written
  360. * @param __VALUE__ Value to be written in the register
  361. * @retval None
  362. */
  363. #define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
  364. /**
  365. * @brief Read a value in DAC register
  366. * @param __INSTANCE__ DAC Instance
  367. * @param __REG__ Register to be read
  368. * @retval Register value
  369. */
  370. #define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
  371. /**
  372. * @}
  373. */
  374. /** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
  375. * @{
  376. */
  377. /**
  378. * @brief Helper macro to get DAC channel number in decimal format
  379. * from literals LL_DAC_CHANNEL_x.
  380. * Example:
  381. * __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
  382. * will return decimal number "1".
  383. * @note The input can be a value from functions where a channel
  384. * number is returned.
  385. * @param __CHANNEL__ This parameter can be one of the following values:
  386. * @arg @ref LL_DAC_CHANNEL_1
  387. * @arg @ref LL_DAC_CHANNEL_2 (1)
  388. *
  389. * (1) On this STM32 series, parameter not available on all devices.
  390. * Refer to device datasheet for channels availability.
  391. * @retval 1...2 (value "2" depending on DAC channel 2 availability)
  392. */
  393. #define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__) \
  394. ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
  395. /**
  396. * @brief Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
  397. * from number in decimal format.
  398. * Example:
  399. * __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
  400. * will return a data equivalent to "LL_DAC_CHANNEL_1".
  401. * @note If the input parameter does not correspond to a DAC channel,
  402. * this macro returns value '0'.
  403. * @param __DECIMAL_NB__ 1...2 (value "2" depending on DAC channel 2 availability)
  404. * @retval Returned value can be one of the following values:
  405. * @arg @ref LL_DAC_CHANNEL_1
  406. * @arg @ref LL_DAC_CHANNEL_2 (1)
  407. *
  408. * (1) On this STM32 series, parameter not available on all devices.
  409. * Refer to device datasheet for channels availability.
  410. */
  411. #if defined(DAC_CHANNEL2_SUPPORT)
  412. #define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
  413. (((__DECIMAL_NB__) == 1U) \
  414. ? ( \
  415. LL_DAC_CHANNEL_1 \
  416. ) \
  417. : \
  418. (((__DECIMAL_NB__) == 2U) \
  419. ? ( \
  420. LL_DAC_CHANNEL_2 \
  421. ) \
  422. : \
  423. ( \
  424. 0 \
  425. ) \
  426. ) \
  427. )
  428. #else
  429. #define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
  430. (((__DECIMAL_NB__) == 1U) \
  431. ? ( \
  432. LL_DAC_CHANNEL_1 \
  433. ) \
  434. : \
  435. ( \
  436. 0 \
  437. ) \
  438. )
  439. #endif /* DAC_CHANNEL2_SUPPORT */
  440. /**
  441. * @brief Helper macro to define the DAC conversion data full-scale digital
  442. * value corresponding to the selected DAC resolution.
  443. * @note DAC conversion data full-scale corresponds to voltage range
  444. * determined by analog voltage references Vref+ and Vref-
  445. * (refer to reference manual).
  446. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  447. * @arg @ref LL_DAC_RESOLUTION_12B
  448. * @arg @ref LL_DAC_RESOLUTION_8B
  449. * @retval ADC conversion data equivalent voltage value (unit: mVolt)
  450. */
  451. #define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  452. ((0x00000FFFU) >> ((__DAC_RESOLUTION__) << 1U))
  453. /**
  454. * @brief Helper macro to calculate the DAC conversion data (unit: digital
  455. * value) corresponding to a voltage (unit: mVolt).
  456. * @note This helper macro is intended to provide input data in voltage
  457. * rather than digital value,
  458. * to be used with LL DAC functions such as
  459. * @ref LL_DAC_ConvertData12RightAligned().
  460. * @note Analog reference voltage (Vref+) must be either known from
  461. * user board environment or can be calculated using ADC measurement
  462. * and ADC helper macro @ref __LL_ADC_CALC_VREFANALOG_VOLTAGE().
  463. * @param __VREFANALOG_VOLTAGE__ Analog reference voltage (unit: mV)
  464. * @param __DAC_VOLTAGE__ Voltage to be generated by DAC channel
  465. * (unit: mVolt).
  466. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  467. * @arg @ref LL_DAC_RESOLUTION_12B
  468. * @arg @ref LL_DAC_RESOLUTION_8B
  469. * @retval DAC conversion data (unit: digital value)
  470. */
  471. #define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__,\
  472. __DAC_VOLTAGE__,\
  473. __DAC_RESOLUTION__) \
  474. ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  475. / (__VREFANALOG_VOLTAGE__) \
  476. )
  477. /**
  478. * @}
  479. */
  480. /**
  481. * @}
  482. */
  483. /* Exported functions --------------------------------------------------------*/
  484. /** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
  485. * @{
  486. */
  487. /** @defgroup DAC_LL_EF_Configuration Configuration of DAC channels
  488. * @{
  489. */
  490. /**
  491. * @brief Set the conversion trigger source for the selected DAC channel.
  492. * @note For conversion trigger source to be effective, DAC trigger
  493. * must be enabled using function @ref LL_DAC_EnableTrigger().
  494. * @note To set conversion trigger source, DAC channel must be disabled.
  495. * Otherwise, the setting is discarded.
  496. * @note Availability of parameters of trigger sources from timer
  497. * depends on timers availability on the selected device.
  498. * @rmtoll CR TSEL1 LL_DAC_SetTriggerSource\n
  499. * CR TSEL2 LL_DAC_SetTriggerSource
  500. * @param DACx DAC instance
  501. * @param DAC_Channel This parameter can be one of the following values:
  502. * @arg @ref LL_DAC_CHANNEL_1
  503. * @arg @ref LL_DAC_CHANNEL_2 (1)
  504. *
  505. * (1) On this STM32 series, parameter not available on all devices.
  506. * Refer to device datasheet for channels availability.
  507. * @param TriggerSource This parameter can be one of the following values:
  508. * @arg @ref LL_DAC_TRIG_SOFTWARE
  509. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  510. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO (1)
  511. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO (1)
  512. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO (1)
  513. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  514. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO (1)
  515. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO (1)
  516. * @arg @ref LL_DAC_TRIG_EXT_TIM15_TRGO (1)
  517. * @arg @ref LL_DAC_TRIG_EXT_TIM18_TRGO (1)
  518. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG1 (1)
  519. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG2 (1)(2)
  520. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG3 (1) (3)
  521. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  522. *
  523. * (1) On STM32F3, parameter not available on all devices
  524. * (2) On STM32F3, parameter not available on all DAC instances: DAC1 (for DAC instances DACx available on the selected device).\n
  525. * (3) On STM32F3, parameter not available on all DAC instances: DAC2 (for DAC instances DACx available on the selected device).
  526. * @retval None
  527. */
  528. __STATIC_INLINE void LL_DAC_SetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriggerSource)
  529. {
  530. MODIFY_REG(DACx->CR,
  531. DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  532. TriggerSource << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  533. }
  534. /**
  535. * @brief Get the conversion trigger source for the selected DAC channel.
  536. * @note For conversion trigger source to be effective, DAC trigger
  537. * must be enabled using function @ref LL_DAC_EnableTrigger().
  538. * @note Availability of parameters of trigger sources from timer
  539. * depends on timers availability on the selected device.
  540. * @rmtoll CR TSEL1 LL_DAC_GetTriggerSource\n
  541. * CR TSEL2 LL_DAC_GetTriggerSource
  542. * @param DACx DAC instance
  543. * @param DAC_Channel This parameter can be one of the following values:
  544. * @arg @ref LL_DAC_CHANNEL_1
  545. * @arg @ref LL_DAC_CHANNEL_2 (1)
  546. *
  547. * (1) On this STM32 series, parameter not available on all devices.
  548. * Refer to device datasheet for channels availability.
  549. * @retval Returned value can be one of the following values:
  550. * @arg @ref LL_DAC_TRIG_SOFTWARE
  551. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  552. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO (1)
  553. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO (1)
  554. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO (1)
  555. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  556. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO (1)
  557. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO (1)
  558. * @arg @ref LL_DAC_TRIG_EXT_TIM15_TRGO (1)
  559. * @arg @ref LL_DAC_TRIG_EXT_TIM18_TRGO (1)
  560. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG1 (1)
  561. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG2 (1)(2)
  562. * @arg @ref LL_DAC_TRIG_EXT_HRTIM1_DACTRG3 (1) (3)
  563. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  564. *
  565. * (1) On STM32F3, parameter not available on all devices
  566. * (2) On STM32F3, parameter not available on all DAC instances: DAC1 (for DAC instances DACx available on the selected device).\n
  567. * (3) On STM32F3, parameter not available on all DAC instances: DAC2 (for DAC instances DACx available on the selected device).
  568. */
  569. __STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  570. {
  571. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  572. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  573. );
  574. }
  575. /**
  576. * @brief Set the waveform automatic generation mode
  577. * for the selected DAC channel.
  578. * @rmtoll CR WAVE1 LL_DAC_SetWaveAutoGeneration\n
  579. * CR WAVE2 LL_DAC_SetWaveAutoGeneration
  580. * @param DACx DAC instance
  581. * @param DAC_Channel This parameter can be one of the following values:
  582. * @arg @ref LL_DAC_CHANNEL_1
  583. * @arg @ref LL_DAC_CHANNEL_2 (1)
  584. *
  585. * (1) On this STM32 series, parameter not available on all devices.
  586. * Refer to device datasheet for channels availability.
  587. * @param WaveAutoGeneration This parameter can be one of the following values:
  588. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  589. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  590. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  591. * @retval None
  592. */
  593. __STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
  594. {
  595. MODIFY_REG(DACx->CR,
  596. DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  597. WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  598. }
  599. /**
  600. * @brief Get the waveform automatic generation mode
  601. * for the selected DAC channel.
  602. * @rmtoll CR WAVE1 LL_DAC_GetWaveAutoGeneration\n
  603. * CR WAVE2 LL_DAC_GetWaveAutoGeneration
  604. * @param DACx DAC instance
  605. * @param DAC_Channel This parameter can be one of the following values:
  606. * @arg @ref LL_DAC_CHANNEL_1
  607. * @arg @ref LL_DAC_CHANNEL_2 (1)
  608. *
  609. * (1) On this STM32 series, parameter not available on all devices.
  610. * Refer to device datasheet for channels availability.
  611. * @retval Returned value can be one of the following values:
  612. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  613. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  614. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  615. */
  616. __STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  617. {
  618. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  619. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  620. );
  621. }
  622. /**
  623. * @brief Set the noise waveform generation for the selected DAC channel:
  624. * Noise mode and parameters LFSR (linear feedback shift register).
  625. * @note For wave generation to be effective, DAC channel
  626. * wave generation mode must be enabled using
  627. * function @ref LL_DAC_SetWaveAutoGeneration().
  628. * @note This setting can be set when the selected DAC channel is disabled
  629. * (otherwise, the setting operation is ignored).
  630. * @rmtoll CR MAMP1 LL_DAC_SetWaveNoiseLFSR\n
  631. * CR MAMP2 LL_DAC_SetWaveNoiseLFSR
  632. * @param DACx DAC instance
  633. * @param DAC_Channel This parameter can be one of the following values:
  634. * @arg @ref LL_DAC_CHANNEL_1
  635. * @arg @ref LL_DAC_CHANNEL_2 (1)
  636. *
  637. * (1) On this STM32 series, parameter not available on all devices.
  638. * Refer to device datasheet for channels availability.
  639. * @param NoiseLFSRMask This parameter can be one of the following values:
  640. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  641. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  642. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  643. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  644. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  645. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  646. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  647. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  648. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  649. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  650. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  651. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  652. * @retval None
  653. */
  654. __STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
  655. {
  656. MODIFY_REG(DACx->CR,
  657. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  658. NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  659. }
  660. /**
  661. * @brief Set the noise waveform generation for the selected DAC channel:
  662. * Noise mode and parameters LFSR (linear feedback shift register).
  663. * @rmtoll CR MAMP1 LL_DAC_GetWaveNoiseLFSR\n
  664. * CR MAMP2 LL_DAC_GetWaveNoiseLFSR
  665. * @param DACx DAC instance
  666. * @param DAC_Channel This parameter can be one of the following values:
  667. * @arg @ref LL_DAC_CHANNEL_1
  668. * @arg @ref LL_DAC_CHANNEL_2 (1)
  669. *
  670. * (1) On this STM32 series, parameter not available on all devices.
  671. * Refer to device datasheet for channels availability.
  672. * @retval Returned value can be one of the following values:
  673. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  674. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  675. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  676. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  677. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  678. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  679. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  680. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  681. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  682. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  683. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  684. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  685. */
  686. __STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  687. {
  688. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  689. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  690. );
  691. }
  692. /**
  693. * @brief Set the triangle waveform generation for the selected DAC channel:
  694. * triangle mode and amplitude.
  695. * @note For wave generation to be effective, DAC channel
  696. * wave generation mode must be enabled using
  697. * function @ref LL_DAC_SetWaveAutoGeneration().
  698. * @note This setting can be set when the selected DAC channel is disabled
  699. * (otherwise, the setting operation is ignored).
  700. * @rmtoll CR MAMP1 LL_DAC_SetWaveTriangleAmplitude\n
  701. * CR MAMP2 LL_DAC_SetWaveTriangleAmplitude
  702. * @param DACx DAC instance
  703. * @param DAC_Channel This parameter can be one of the following values:
  704. * @arg @ref LL_DAC_CHANNEL_1
  705. * @arg @ref LL_DAC_CHANNEL_2 (1)
  706. *
  707. * (1) On this STM32 series, parameter not available on all devices.
  708. * Refer to device datasheet for channels availability.
  709. * @param TriangleAmplitude This parameter can be one of the following values:
  710. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  711. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  712. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  713. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  714. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  715. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  716. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  717. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  718. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  719. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  720. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  721. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  722. * @retval None
  723. */
  724. __STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriangleAmplitude)
  725. {
  726. MODIFY_REG(DACx->CR,
  727. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  728. TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  729. }
  730. /**
  731. * @brief Set the triangle waveform generation for the selected DAC channel:
  732. * triangle mode and amplitude.
  733. * @rmtoll CR MAMP1 LL_DAC_GetWaveTriangleAmplitude\n
  734. * CR MAMP2 LL_DAC_GetWaveTriangleAmplitude
  735. * @param DACx DAC instance
  736. * @param DAC_Channel This parameter can be one of the following values:
  737. * @arg @ref LL_DAC_CHANNEL_1
  738. * @arg @ref LL_DAC_CHANNEL_2 (1)
  739. *
  740. * (1) On this STM32 series, parameter not available on all devices.
  741. * Refer to device datasheet for channels availability.
  742. * @retval Returned value can be one of the following values:
  743. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  744. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  745. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  746. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  747. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  748. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  749. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  750. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  751. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  752. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  753. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  754. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  755. */
  756. __STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  757. {
  758. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  759. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  760. );
  761. }
  762. /**
  763. * @brief Set the output buffer for the selected DAC channel.
  764. * @rmtoll CR BOFF1 LL_DAC_SetOutputBuffer\n
  765. * CR BOFF2 LL_DAC_SetOutputBuffer
  766. * @param DACx DAC instance
  767. * @param DAC_Channel This parameter can be one of the following values:
  768. * @arg @ref LL_DAC_CHANNEL_1
  769. * @arg @ref LL_DAC_CHANNEL_2 (1)
  770. *
  771. * (1) On this STM32 series, parameter not available on all devices.
  772. * Refer to device datasheet for channels availability.
  773. * @param OutputBuffer This parameter can be one of the following values:
  774. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  775. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  776. * @arg @ref LL_DAC_OUTPUT_SWITCH_DISABLE (1)
  777. * @arg @ref LL_DAC_OUTPUT_SWITCH_ENABLE (1)
  778. *
  779. * (1) Feature specific to STM32F303x6/8 and STM32F328:
  780. * On DAC1 channel 2, output buffer is replaced by a switch
  781. * to connect DAC channel output to pin PA5.
  782. * On DAC2 channel 1, output buffer is replaced by a switch
  783. * to connect DAC channel output to pin PA6.
  784. * @retval None
  785. */
  786. __STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
  787. {
  788. MODIFY_REG(DACx->CR,
  789. DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  790. OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  791. }
  792. /**
  793. * @brief Get the output buffer state for the selected DAC channel.
  794. * @rmtoll CR BOFF1 LL_DAC_GetOutputBuffer\n
  795. * CR BOFF2 LL_DAC_GetOutputBuffer
  796. * @param DACx DAC instance
  797. * @param DAC_Channel This parameter can be one of the following values:
  798. * @arg @ref LL_DAC_CHANNEL_1
  799. * @arg @ref LL_DAC_CHANNEL_2 (1)
  800. *
  801. * (1) On this STM32 series, parameter not available on all devices.
  802. * Refer to device datasheet for channels availability.
  803. * @retval Returned value can be one of the following values:
  804. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  805. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  806. * @arg @ref LL_DAC_OUTPUT_SWITCH_DISABLE (1)
  807. * @arg @ref LL_DAC_OUTPUT_SWITCH_ENABLE (1)
  808. *
  809. * (1) Feature specific to STM32F303x6/8 and STM32F328:
  810. * On DAC1 channel 2, output buffer is replaced by a switch
  811. * to connect DAC channel output to pin PA5.
  812. * On DAC2 channel 1, output buffer is replaced by a switch
  813. * to connect DAC channel output to pin PA6.
  814. */
  815. __STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  816. {
  817. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  818. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  819. );
  820. }
  821. /**
  822. * @}
  823. */
  824. /** @defgroup DAC_LL_EF_DMA_Management DMA Management
  825. * @{
  826. */
  827. /**
  828. * @brief Enable DAC DMA transfer request of the selected channel.
  829. * @note To configure DMA source address (peripheral address),
  830. * use function @ref LL_DAC_DMA_GetRegAddr().
  831. * @rmtoll CR DMAEN1 LL_DAC_EnableDMAReq\n
  832. * CR DMAEN2 LL_DAC_EnableDMAReq
  833. * @param DACx DAC instance
  834. * @param DAC_Channel This parameter can be one of the following values:
  835. * @arg @ref LL_DAC_CHANNEL_1
  836. * @arg @ref LL_DAC_CHANNEL_2 (1)
  837. *
  838. * (1) On this STM32 series, parameter not available on all devices.
  839. * Refer to device datasheet for channels availability.
  840. * @retval None
  841. */
  842. __STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  843. {
  844. SET_BIT(DACx->CR,
  845. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  846. }
  847. /**
  848. * @brief Disable DAC DMA transfer request of the selected channel.
  849. * @note To configure DMA source address (peripheral address),
  850. * use function @ref LL_DAC_DMA_GetRegAddr().
  851. * @rmtoll CR DMAEN1 LL_DAC_DisableDMAReq\n
  852. * CR DMAEN2 LL_DAC_DisableDMAReq
  853. * @param DACx DAC instance
  854. * @param DAC_Channel This parameter can be one of the following values:
  855. * @arg @ref LL_DAC_CHANNEL_1
  856. * @arg @ref LL_DAC_CHANNEL_2 (1)
  857. *
  858. * (1) On this STM32 series, parameter not available on all devices.
  859. * Refer to device datasheet for channels availability.
  860. * @retval None
  861. */
  862. __STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  863. {
  864. CLEAR_BIT(DACx->CR,
  865. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  866. }
  867. /**
  868. * @brief Get DAC DMA transfer request state of the selected channel.
  869. * (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
  870. * @rmtoll CR DMAEN1 LL_DAC_IsDMAReqEnabled\n
  871. * CR DMAEN2 LL_DAC_IsDMAReqEnabled
  872. * @param DACx DAC instance
  873. * @param DAC_Channel This parameter can be one of the following values:
  874. * @arg @ref LL_DAC_CHANNEL_1
  875. * @arg @ref LL_DAC_CHANNEL_2 (1)
  876. *
  877. * (1) On this STM32 series, parameter not available on all devices.
  878. * Refer to device datasheet for channels availability.
  879. * @retval State of bit (1 or 0).
  880. */
  881. __STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  882. {
  883. return (READ_BIT(DACx->CR,
  884. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  885. == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  886. }
  887. /**
  888. * @brief Function to help to configure DMA transfer to DAC: retrieve the
  889. * DAC register address from DAC instance and a list of DAC registers
  890. * intended to be used (most commonly) with DMA transfer.
  891. * @note These DAC registers are data holding registers:
  892. * when DAC conversion is requested, DAC generates a DMA transfer
  893. * request to have data available in DAC data holding registers.
  894. * @note This macro is intended to be used with LL DMA driver, refer to
  895. * function "LL_DMA_ConfigAddresses()".
  896. * Example:
  897. * LL_DMA_ConfigAddresses(DMA1,
  898. * LL_DMA_CHANNEL_1,
  899. * (uint32_t)&< array or variable >,
  900. * LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1, LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
  901. * LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
  902. * @rmtoll DHR12R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  903. * DHR12L1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  904. * DHR8R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  905. * DHR12R2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  906. * DHR12L2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  907. * DHR8R2 DACC2DHR LL_DAC_DMA_GetRegAddr
  908. * @param DACx DAC instance
  909. * @param DAC_Channel This parameter can be one of the following values:
  910. * @arg @ref LL_DAC_CHANNEL_1
  911. * @arg @ref LL_DAC_CHANNEL_2 (1)
  912. *
  913. * (1) On this STM32 series, parameter not available on all devices.
  914. * Refer to device datasheet for channels availability.
  915. * @param Register This parameter can be one of the following values:
  916. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
  917. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
  918. * @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
  919. * @retval DAC register address
  920. */
  921. __STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
  922. {
  923. /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on */
  924. /* DAC channel selected. */
  925. return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, Register))));
  926. }
  927. /**
  928. * @}
  929. */
  930. /** @defgroup DAC_LL_EF_Operation Operation on DAC channels
  931. * @{
  932. */
  933. /**
  934. * @brief Enable DAC selected channel.
  935. * @rmtoll CR EN1 LL_DAC_Enable\n
  936. * CR EN2 LL_DAC_Enable
  937. * @note After enable from off state, DAC channel requires a delay
  938. * for output voltage to reach accuracy +/- 1 LSB.
  939. * Refer to device datasheet, parameter "tWAKEUP".
  940. * @param DACx DAC instance
  941. * @param DAC_Channel This parameter can be one of the following values:
  942. * @arg @ref LL_DAC_CHANNEL_1
  943. * @arg @ref LL_DAC_CHANNEL_2 (1)
  944. *
  945. * (1) On this STM32 series, parameter not available on all devices.
  946. * Refer to device datasheet for channels availability.
  947. * @retval None
  948. */
  949. __STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  950. {
  951. SET_BIT(DACx->CR,
  952. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  953. }
  954. /**
  955. * @brief Disable DAC selected channel.
  956. * @rmtoll CR EN1 LL_DAC_Disable\n
  957. * CR EN2 LL_DAC_Disable
  958. * @param DACx DAC instance
  959. * @param DAC_Channel This parameter can be one of the following values:
  960. * @arg @ref LL_DAC_CHANNEL_1
  961. * @arg @ref LL_DAC_CHANNEL_2 (1)
  962. *
  963. * (1) On this STM32 series, parameter not available on all devices.
  964. * Refer to device datasheet for channels availability.
  965. * @retval None
  966. */
  967. __STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  968. {
  969. CLEAR_BIT(DACx->CR,
  970. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  971. }
  972. /**
  973. * @brief Get DAC enable state of the selected channel.
  974. * (0: DAC channel is disabled, 1: DAC channel is enabled)
  975. * @rmtoll CR EN1 LL_DAC_IsEnabled\n
  976. * CR EN2 LL_DAC_IsEnabled
  977. * @param DACx DAC instance
  978. * @param DAC_Channel This parameter can be one of the following values:
  979. * @arg @ref LL_DAC_CHANNEL_1
  980. * @arg @ref LL_DAC_CHANNEL_2 (1)
  981. *
  982. * (1) On this STM32 series, parameter not available on all devices.
  983. * Refer to device datasheet for channels availability.
  984. * @retval State of bit (1 or 0).
  985. */
  986. __STATIC_INLINE uint32_t LL_DAC_IsEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  987. {
  988. return (READ_BIT(DACx->CR,
  989. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  990. == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  991. }
  992. /**
  993. * @brief Enable DAC trigger of the selected channel.
  994. * @note - If DAC trigger is disabled, DAC conversion is performed
  995. * automatically once the data holding register is updated,
  996. * using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  997. * @ref LL_DAC_ConvertData12RightAligned(), ...
  998. * - If DAC trigger is enabled, DAC conversion is performed
  999. * only when a hardware of software trigger event is occurring.
  1000. * Select trigger source using
  1001. * function @ref LL_DAC_SetTriggerSource().
  1002. * @rmtoll CR TEN1 LL_DAC_EnableTrigger\n
  1003. * CR TEN2 LL_DAC_EnableTrigger
  1004. * @param DACx DAC instance
  1005. * @param DAC_Channel This parameter can be one of the following values:
  1006. * @arg @ref LL_DAC_CHANNEL_1
  1007. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1008. *
  1009. * (1) On this STM32 series, parameter not available on all devices.
  1010. * Refer to device datasheet for channels availability.
  1011. * @retval None
  1012. */
  1013. __STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1014. {
  1015. SET_BIT(DACx->CR,
  1016. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  1017. }
  1018. /**
  1019. * @brief Disable DAC trigger of the selected channel.
  1020. * @rmtoll CR TEN1 LL_DAC_DisableTrigger\n
  1021. * CR TEN2 LL_DAC_DisableTrigger
  1022. * @param DACx DAC instance
  1023. * @param DAC_Channel This parameter can be one of the following values:
  1024. * @arg @ref LL_DAC_CHANNEL_1
  1025. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1026. *
  1027. * (1) On this STM32 series, parameter not available on all devices.
  1028. * Refer to device datasheet for channels availability.
  1029. * @retval None
  1030. */
  1031. __STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1032. {
  1033. CLEAR_BIT(DACx->CR,
  1034. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  1035. }
  1036. /**
  1037. * @brief Get DAC trigger state of the selected channel.
  1038. * (0: DAC trigger is disabled, 1: DAC trigger is enabled)
  1039. * @rmtoll CR TEN1 LL_DAC_IsTriggerEnabled\n
  1040. * CR TEN2 LL_DAC_IsTriggerEnabled
  1041. * @param DACx DAC instance
  1042. * @param DAC_Channel This parameter can be one of the following values:
  1043. * @arg @ref LL_DAC_CHANNEL_1
  1044. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1045. *
  1046. * (1) On this STM32 series, parameter not available on all devices.
  1047. * Refer to device datasheet for channels availability.
  1048. * @retval State of bit (1 or 0).
  1049. */
  1050. __STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1051. {
  1052. return (READ_BIT(DACx->CR,
  1053. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  1054. == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  1055. }
  1056. /**
  1057. * @brief Trig DAC conversion by software for the selected DAC channel.
  1058. * @note Preliminarily, DAC trigger must be set to software trigger
  1059. * using function @ref LL_DAC_SetTriggerSource()
  1060. * with parameter "LL_DAC_TRIGGER_SOFTWARE".
  1061. * and DAC trigger must be enabled using
  1062. * function @ref LL_DAC_EnableTrigger().
  1063. * @note For devices featuring DAC with 2 channels: this function
  1064. * can perform a SW start of both DAC channels simultaneously.
  1065. * Two channels can be selected as parameter.
  1066. * Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
  1067. * @rmtoll SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion\n
  1068. * SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
  1069. * @param DACx DAC instance
  1070. * @param DAC_Channel This parameter can a combination of the following values:
  1071. * @arg @ref LL_DAC_CHANNEL_1
  1072. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1073. *
  1074. * (1) On this STM32 series, parameter not available on all devices.
  1075. * Refer to device datasheet for channels availability.
  1076. * @retval None
  1077. */
  1078. __STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1079. {
  1080. SET_BIT(DACx->SWTRIGR,
  1081. (DAC_Channel & DAC_SWTR_CHX_MASK));
  1082. }
  1083. /**
  1084. * @brief Set the data to be loaded in the data holding register
  1085. * in format 12 bits left alignment (LSB aligned on bit 0),
  1086. * for the selected DAC channel.
  1087. * @rmtoll DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned\n
  1088. * DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned
  1089. * @param DACx DAC instance
  1090. * @param DAC_Channel This parameter can be one of the following values:
  1091. * @arg @ref LL_DAC_CHANNEL_1
  1092. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1093. *
  1094. * (1) On this STM32 series, parameter not available on all devices.
  1095. * Refer to device datasheet for channels availability.
  1096. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  1097. * @retval None
  1098. */
  1099. __STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  1100. {
  1101. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12RX_REGOFFSET_MASK));
  1102. MODIFY_REG(*preg,
  1103. DAC_DHR12R1_DACC1DHR,
  1104. Data);
  1105. }
  1106. /**
  1107. * @brief Set the data to be loaded in the data holding register
  1108. * in format 12 bits left alignment (MSB aligned on bit 15),
  1109. * for the selected DAC channel.
  1110. * @rmtoll DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned\n
  1111. * DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned
  1112. * @param DACx DAC instance
  1113. * @param DAC_Channel This parameter can be one of the following values:
  1114. * @arg @ref LL_DAC_CHANNEL_1
  1115. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1116. *
  1117. * (1) On this STM32 series, parameter not available on all devices.
  1118. * Refer to device datasheet for channels availability.
  1119. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  1120. * @retval None
  1121. */
  1122. __STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  1123. {
  1124. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12LX_REGOFFSET_MASK));
  1125. MODIFY_REG(*preg,
  1126. DAC_DHR12L1_DACC1DHR,
  1127. Data);
  1128. }
  1129. /**
  1130. * @brief Set the data to be loaded in the data holding register
  1131. * in format 8 bits left alignment (LSB aligned on bit 0),
  1132. * for the selected DAC channel.
  1133. * @rmtoll DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned\n
  1134. * DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned
  1135. * @param DACx DAC instance
  1136. * @param DAC_Channel This parameter can be one of the following values:
  1137. * @arg @ref LL_DAC_CHANNEL_1
  1138. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1139. *
  1140. * (1) On this STM32 series, parameter not available on all devices.
  1141. * Refer to device datasheet for channels availability.
  1142. * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
  1143. * @retval None
  1144. */
  1145. __STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  1146. {
  1147. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR8RX_REGOFFSET_MASK));
  1148. MODIFY_REG(*preg,
  1149. DAC_DHR8R1_DACC1DHR,
  1150. Data);
  1151. }
  1152. #if defined(DAC_CHANNEL2_SUPPORT)
  1153. /**
  1154. * @brief Set the data to be loaded in the data holding register
  1155. * in format 12 bits left alignment (LSB aligned on bit 0),
  1156. * for both DAC channels.
  1157. * @rmtoll DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned\n
  1158. * DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned
  1159. * @param DACx DAC instance
  1160. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1161. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1162. * @retval None
  1163. */
  1164. __STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1165. {
  1166. MODIFY_REG(DACx->DHR12RD,
  1167. (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
  1168. ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1169. }
  1170. /**
  1171. * @brief Set the data to be loaded in the data holding register
  1172. * in format 12 bits left alignment (MSB aligned on bit 15),
  1173. * for both DAC channels.
  1174. * @rmtoll DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned\n
  1175. * DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned
  1176. * @param DACx DAC instance
  1177. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1178. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1179. * @retval None
  1180. */
  1181. __STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1182. {
  1183. /* Note: Data of DAC channel 2 shift value subtracted of 4 because */
  1184. /* data on 16 bits and DAC channel 2 bits field is on the 12 MSB, */
  1185. /* the 4 LSB must be taken into account for the shift value. */
  1186. MODIFY_REG(DACx->DHR12LD,
  1187. (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
  1188. ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
  1189. }
  1190. /**
  1191. * @brief Set the data to be loaded in the data holding register
  1192. * in format 8 bits left alignment (LSB aligned on bit 0),
  1193. * for both DAC channels.
  1194. * @rmtoll DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned\n
  1195. * DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned
  1196. * @param DACx DAC instance
  1197. * @param DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
  1198. * @param DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
  1199. * @retval None
  1200. */
  1201. __STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1202. {
  1203. MODIFY_REG(DACx->DHR8RD,
  1204. (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
  1205. ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1206. }
  1207. #endif /* DAC_CHANNEL2_SUPPORT */
  1208. /**
  1209. * @brief Retrieve output data currently generated for the selected DAC channel.
  1210. * @note Whatever alignment and resolution settings
  1211. * (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  1212. * @ref LL_DAC_ConvertData12RightAligned(), ...),
  1213. * output data format is 12 bits right aligned (LSB aligned on bit 0).
  1214. * @rmtoll DOR1 DACC1DOR LL_DAC_RetrieveOutputData\n
  1215. * DOR2 DACC2DOR LL_DAC_RetrieveOutputData
  1216. * @param DACx DAC instance
  1217. * @param DAC_Channel This parameter can be one of the following values:
  1218. * @arg @ref LL_DAC_CHANNEL_1
  1219. * @arg @ref LL_DAC_CHANNEL_2 (1)
  1220. *
  1221. * (1) On this STM32 series, parameter not available on all devices.
  1222. * Refer to device datasheet for channels availability.
  1223. * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
  1224. */
  1225. __STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1226. {
  1227. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DORX_REGOFFSET_MASK));
  1228. return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
  1229. }
  1230. /**
  1231. * @}
  1232. */
  1233. /** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
  1234. * @{
  1235. */
  1236. /**
  1237. * @brief Get DAC underrun flag for DAC channel 1
  1238. * @rmtoll SR DMAUDR1 LL_DAC_IsActiveFlag_DMAUDR1
  1239. * @param DACx DAC instance
  1240. * @retval State of bit (1 or 0).
  1241. */
  1242. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(DAC_TypeDef *DACx)
  1243. {
  1244. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1));
  1245. }
  1246. #if defined(DAC_CHANNEL2_SUPPORT)
  1247. /**
  1248. * @brief Get DAC underrun flag for DAC channel 2
  1249. * @rmtoll SR DMAUDR2 LL_DAC_IsActiveFlag_DMAUDR2
  1250. * @param DACx DAC instance
  1251. * @retval State of bit (1 or 0).
  1252. */
  1253. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(DAC_TypeDef *DACx)
  1254. {
  1255. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2));
  1256. }
  1257. #endif /* DAC_CHANNEL2_SUPPORT */
  1258. /**
  1259. * @brief Clear DAC underrun flag for DAC channel 1
  1260. * @rmtoll SR DMAUDR1 LL_DAC_ClearFlag_DMAUDR1
  1261. * @param DACx DAC instance
  1262. * @retval None
  1263. */
  1264. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
  1265. {
  1266. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
  1267. }
  1268. #if defined(DAC_CHANNEL2_SUPPORT)
  1269. /**
  1270. * @brief Clear DAC underrun flag for DAC channel 2
  1271. * @rmtoll SR DMAUDR2 LL_DAC_ClearFlag_DMAUDR2
  1272. * @param DACx DAC instance
  1273. * @retval None
  1274. */
  1275. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
  1276. {
  1277. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
  1278. }
  1279. #endif /* DAC_CHANNEL2_SUPPORT */
  1280. /**
  1281. * @}
  1282. */
  1283. /** @defgroup DAC_LL_EF_IT_Management IT management
  1284. * @{
  1285. */
  1286. /**
  1287. * @brief Enable DMA underrun interrupt for DAC channel 1
  1288. * @rmtoll CR DMAUDRIE1 LL_DAC_EnableIT_DMAUDR1
  1289. * @param DACx DAC instance
  1290. * @retval None
  1291. */
  1292. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
  1293. {
  1294. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1295. }
  1296. #if defined(DAC_CHANNEL2_SUPPORT)
  1297. /**
  1298. * @brief Enable DMA underrun interrupt for DAC channel 2
  1299. * @rmtoll CR DMAUDRIE2 LL_DAC_EnableIT_DMAUDR2
  1300. * @param DACx DAC instance
  1301. * @retval None
  1302. */
  1303. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
  1304. {
  1305. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1306. }
  1307. #endif /* DAC_CHANNEL2_SUPPORT */
  1308. /**
  1309. * @brief Disable DMA underrun interrupt for DAC channel 1
  1310. * @rmtoll CR DMAUDRIE1 LL_DAC_DisableIT_DMAUDR1
  1311. * @param DACx DAC instance
  1312. * @retval None
  1313. */
  1314. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
  1315. {
  1316. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1317. }
  1318. #if defined(DAC_CHANNEL2_SUPPORT)
  1319. /**
  1320. * @brief Disable DMA underrun interrupt for DAC channel 2
  1321. * @rmtoll CR DMAUDRIE2 LL_DAC_DisableIT_DMAUDR2
  1322. * @param DACx DAC instance
  1323. * @retval None
  1324. */
  1325. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
  1326. {
  1327. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1328. }
  1329. #endif /* DAC_CHANNEL2_SUPPORT */
  1330. /**
  1331. * @brief Get DMA underrun interrupt for DAC channel 1
  1332. * @rmtoll CR DMAUDRIE1 LL_DAC_IsEnabledIT_DMAUDR1
  1333. * @param DACx DAC instance
  1334. * @retval State of bit (1 or 0).
  1335. */
  1336. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(DAC_TypeDef *DACx)
  1337. {
  1338. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1));
  1339. }
  1340. #if defined(DAC_CHANNEL2_SUPPORT)
  1341. /**
  1342. * @brief Get DMA underrun interrupt for DAC channel 2
  1343. * @rmtoll CR DMAUDRIE2 LL_DAC_IsEnabledIT_DMAUDR2
  1344. * @param DACx DAC instance
  1345. * @retval State of bit (1 or 0).
  1346. */
  1347. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(DAC_TypeDef *DACx)
  1348. {
  1349. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2));
  1350. }
  1351. #endif /* DAC_CHANNEL2_SUPPORT */
  1352. /**
  1353. * @}
  1354. */
  1355. #if defined(USE_FULL_LL_DRIVER)
  1356. /** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
  1357. * @{
  1358. */
  1359. ErrorStatus LL_DAC_DeInit(DAC_TypeDef* DACx);
  1360. ErrorStatus LL_DAC_Init(DAC_TypeDef* DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef* DAC_InitStruct);
  1361. void LL_DAC_StructInit(LL_DAC_InitTypeDef* DAC_InitStruct);
  1362. /**
  1363. * @}
  1364. */
  1365. #endif /* USE_FULL_LL_DRIVER */
  1366. /**
  1367. * @}
  1368. */
  1369. /**
  1370. * @}
  1371. */
  1372. #endif /* DAC1 || DAC2 */
  1373. /**
  1374. * @}
  1375. */
  1376. #ifdef __cplusplus
  1377. }
  1378. #endif
  1379. #endif /* __STM32F3xx_LL_DAC_H */