stm32f7xx_ll_dac.h 60 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f7xx_ll_dac.h
  4. * @author MCD Application Team
  5. * @brief Header file of DAC LL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32F7xx_LL_DAC_H
  37. #define __STM32F7xx_LL_DAC_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32f7xx.h"
  43. /** @addtogroup STM32F7xx_LL_Driver
  44. * @{
  45. */
  46. #if defined(DAC)
  47. /** @defgroup DAC_LL DAC
  48. * @{
  49. */
  50. /* Private types -------------------------------------------------------------*/
  51. /* Private variables ---------------------------------------------------------*/
  52. /* Private constants ---------------------------------------------------------*/
  53. /** @defgroup DAC_LL_Private_Constants DAC Private Constants
  54. * @{
  55. */
  56. /* Internal masks for DAC channels definition */
  57. /* To select into literal LL_DAC_CHANNEL_x the relevant bits for: */
  58. /* - channel bits position into register CR */
  59. /* - channel bits position into register SWTRIG */
  60. /* - channel register offset of data holding register DHRx */
  61. /* - channel register offset of data output register DORx */
  62. #define DAC_CR_CH1_BITOFFSET 0U /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 1 */
  63. #define DAC_CR_CH2_BITOFFSET 16U /* Position of channel bits into registers CR, MCR, CCR, SHHR, SHRR of channel 2 */
  64. #define DAC_CR_CHX_BITOFFSET_MASK (DAC_CR_CH1_BITOFFSET | DAC_CR_CH2_BITOFFSET)
  65. #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). */
  66. #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). */
  67. #define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1 | DAC_SWTR_CH2)
  68. #define DAC_REG_DHR12R1_REGOFFSET 0x00000000U /* Register DHR12Rx channel 1 taken as reference */
  69. #define DAC_REG_DHR12L1_REGOFFSET 0x00100000U /* Register offset of DHR12Lx channel 1 versus DHR12Rx channel 1 (shifted left of 20 bits) */
  70. #define DAC_REG_DHR8R1_REGOFFSET 0x02000000U /* Register offset of DHR8Rx channel 1 versus DHR12Rx channel 1 (shifted left of 24 bits) */
  71. #define DAC_REG_DHR12R2_REGOFFSET 0x00030000U /* Register offset of DHR12Rx channel 2 versus DHR12Rx channel 1 (shifted left of 16 bits) */
  72. #define DAC_REG_DHR12L2_REGOFFSET 0x00400000U /* Register offset of DHR12Lx channel 2 versus DHR12Rx channel 1 (shifted left of 20 bits) */
  73. #define DAC_REG_DHR8R2_REGOFFSET 0x05000000U /* Register offset of DHR8Rx channel 2 versus DHR12Rx channel 1 (shifted left of 24 bits) */
  74. #define DAC_REG_DHR12RX_REGOFFSET_MASK 0x000F0000U
  75. #define DAC_REG_DHR12LX_REGOFFSET_MASK 0x00F00000U
  76. #define DAC_REG_DHR8RX_REGOFFSET_MASK 0x0F000000U
  77. #define DAC_REG_DHRX_REGOFFSET_MASK (DAC_REG_DHR12RX_REGOFFSET_MASK | DAC_REG_DHR12LX_REGOFFSET_MASK | DAC_REG_DHR8RX_REGOFFSET_MASK)
  78. #define DAC_REG_DOR1_REGOFFSET 0x00000000U /* Register DORx channel 1 taken as reference */
  79. #define DAC_REG_DOR2_REGOFFSET 0x10000000U /* Register offset of DORx channel 1 versus DORx channel 2 (shifted left of 28 bits) */
  80. #define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET | DAC_REG_DOR2_REGOFFSET)
  81. /* DAC registers bits positions */
  82. #define DAC_DHR12RD_DACC2DHR_BITOFFSET_POS 16U /* Value equivalent to POSITION_VAL(DAC_DHR12RD_DACC2DHR) */
  83. #define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS 20U /* Value equivalent to POSITION_VAL(DAC_DHR12LD_DACC2DHR) */
  84. #define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS 8U /* Value equivalent to POSITION_VAL(DAC_DHR8RD_DACC2DHR) */
  85. /* Miscellaneous data */
  86. #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) */
  87. /**
  88. * @}
  89. */
  90. /* Private macros ------------------------------------------------------------*/
  91. /** @defgroup DAC_LL_Private_Macros DAC Private Macros
  92. * @{
  93. */
  94. /**
  95. * @brief Driver macro reserved for internal use: isolate bits with the
  96. * selected mask and shift them to the register LSB
  97. * (shift mask on register position bit 0).
  98. * @param __BITS__ Bits in register 32 bits
  99. * @param __MASK__ Mask in register 32 bits
  100. * @retval Bits in register 32 bits
  101. */
  102. #define __DAC_MASK_SHIFT(__BITS__, __MASK__) \
  103. (((__BITS__) & (__MASK__)) >> POSITION_VAL((__MASK__)))
  104. /**
  105. * @brief Driver macro reserved for internal use: set a pointer to
  106. * a register from a register basis from which an offset
  107. * is applied.
  108. * @param __REG__ Register basis from which the offset is applied.
  109. * @param __REG_OFFFSET__ Offset to be applied (unit number of registers).
  110. * @retval Pointer to register address
  111. */
  112. #define __DAC_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__) \
  113. ((uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2U))))
  114. /**
  115. * @}
  116. */
  117. /* Exported types ------------------------------------------------------------*/
  118. #if defined(USE_FULL_LL_DRIVER)
  119. /** @defgroup DAC_LL_ES_INIT DAC Exported Init structure
  120. * @{
  121. */
  122. /**
  123. * @brief Structure definition of some features of DAC instance.
  124. */
  125. typedef struct
  126. {
  127. 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).
  128. This parameter can be a value of @ref DAC_LL_EC_TRIGGER_SOURCE
  129. This feature can be modified afterwards using unitary function @ref LL_DAC_SetTriggerSource(). */
  130. uint32_t WaveAutoGeneration; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  131. This parameter can be a value of @ref DAC_LL_EC_WAVE_AUTO_GENERATION_MODE
  132. This feature can be modified afterwards using unitary function @ref LL_DAC_SetWaveAutoGeneration(). */
  133. uint32_t WaveAutoGenerationConfig; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  134. 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
  135. If waveform automatic generation mode is set to triangle, this parameter can be a value of @ref DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE
  136. @note If waveform automatic generation mode is disabled, this parameter is discarded.
  137. 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. */
  138. uint32_t OutputBuffer; /*!< Set the output buffer for the selected DAC channel.
  139. This parameter can be a value of @ref DAC_LL_EC_OUTPUT_BUFFER
  140. This feature can be modified afterwards using unitary function @ref LL_DAC_SetOutputBuffer(). */
  141. } LL_DAC_InitTypeDef;
  142. /**
  143. * @}
  144. */
  145. #endif /* USE_FULL_LL_DRIVER */
  146. /* Exported constants --------------------------------------------------------*/
  147. /** @defgroup DAC_LL_Exported_Constants DAC Exported Constants
  148. * @{
  149. */
  150. /** @defgroup DAC_LL_EC_GET_FLAG DAC flags
  151. * @brief Flags defines which can be used with LL_DAC_ReadReg function
  152. * @{
  153. */
  154. /* DAC channel 1 flags */
  155. #define LL_DAC_FLAG_DMAUDR1 (DAC_SR_DMAUDR1) /*!< DAC channel 1 flag DMA underrun */
  156. /* DAC channel 2 flags */
  157. #define LL_DAC_FLAG_DMAUDR2 (DAC_SR_DMAUDR2) /*!< DAC channel 2 flag DMA underrun */
  158. /**
  159. * @}
  160. */
  161. /** @defgroup DAC_LL_EC_IT DAC interruptions
  162. * @brief IT defines which can be used with LL_DAC_ReadReg and LL_DAC_WriteReg functions
  163. * @{
  164. */
  165. #define LL_DAC_IT_DMAUDRIE1 (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
  166. #define LL_DAC_IT_DMAUDRIE2 (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
  167. /**
  168. * @}
  169. */
  170. /** @defgroup DAC_LL_EC_CHANNEL DAC channels
  171. * @{
  172. */
  173. #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 */
  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. /**
  176. * @}
  177. */
  178. /** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
  179. * @{
  180. */
  181. #define LL_DAC_TRIG_SOFTWARE (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
  182. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  183. #define LL_DAC_TRIG_EXT_TIM8_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM8 TRGO. */
  184. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */
  185. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  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_TIM5_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  188. #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. */
  189. /**
  190. * @}
  191. */
  192. /** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
  193. * @{
  194. */
  195. #define LL_DAC_WAVE_AUTO_GENERATION_NONE 0x00000000U /*!< DAC channel wave auto generation mode disabled. */
  196. #define LL_DAC_WAVE_AUTO_GENERATION_NOISE (DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
  197. #define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
  198. /**
  199. * @}
  200. */
  201. /** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
  202. * @{
  203. */
  204. #define LL_DAC_NOISE_LFSR_UNMASK_BIT0 0x00000000U /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
  205. #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 */
  206. #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 */
  207. #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 */
  208. #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 */
  209. #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 */
  210. #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 */
  211. #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 */
  212. #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 */
  213. #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 */
  214. #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 */
  215. #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 */
  216. /**
  217. * @}
  218. */
  219. /** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
  220. * @{
  221. */
  222. #define LL_DAC_TRIANGLE_AMPLITUDE_1 0x00000000U /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
  223. #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 */
  224. #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 */
  225. #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 */
  226. #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 */
  227. #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 */
  228. #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 */
  229. #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 */
  230. #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 */
  231. #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 */
  232. #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 */
  233. #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 */
  234. /**
  235. * @}
  236. */
  237. /** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
  238. * @{
  239. */
  240. #define LL_DAC_OUTPUT_BUFFER_ENABLE 0x00000000U /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
  241. #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 */
  242. /**
  243. * @}
  244. */
  245. /** @defgroup DAC_LL_EC_RESOLUTION DAC channel output resolution
  246. * @{
  247. */
  248. #define LL_DAC_RESOLUTION_12B 0x00000000U /*!< DAC channel resolution 12 bits */
  249. #define LL_DAC_RESOLUTION_8B 0x00000002U /*!< DAC channel resolution 8 bits */
  250. /**
  251. * @}
  252. */
  253. /** @defgroup DAC_LL_EC_REGISTERS DAC registers compliant with specific purpose
  254. * @{
  255. */
  256. /* List of DAC registers intended to be used (most commonly) with */
  257. /* DMA transfer. */
  258. /* Refer to function @ref LL_DAC_DMA_GetRegAddr(). */
  259. #define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED DAC_REG_DHR12RX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits right aligned */
  260. #define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits left aligned */
  261. #define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_MASK /*!< DAC channel data holding register 8 bits right aligned */
  262. /**
  263. * @}
  264. */
  265. /** @defgroup DAC_LL_EC_HW_DELAYS Definitions of DAC hardware constraints delays
  266. * @note Only DAC IP HW delays are defined in DAC LL driver driver,
  267. * not timeout values.
  268. * For details on delays values, refer to descriptions in source code
  269. * above each literal definition.
  270. * @{
  271. */
  272. /* Delay for DAC channel voltage settling time from DAC channel startup */
  273. /* (transition from disable to enable). */
  274. /* Note: DAC channel startup time depends on board application environment: */
  275. /* impedance connected to DAC channel output. */
  276. /* The delay below is specified under conditions: */
  277. /* - voltage maximum transition (lowest to highest value) */
  278. /* - until voltage reaches final value +-1LSB */
  279. /* - DAC channel output buffer enabled */
  280. /* - load impedance of 5kOhm (min), 50pF (max) */
  281. /* Literal set to maximum value (refer to device datasheet, */
  282. /* parameter "tWAKEUP"). */
  283. /* Unit: us */
  284. #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) */
  285. /* Delay for DAC channel voltage settling time. */
  286. /* Note: DAC channel startup time depends on board application environment: */
  287. /* impedance connected to DAC channel output. */
  288. /* The delay below is specified under conditions: */
  289. /* - voltage maximum transition (lowest to highest value) */
  290. /* - until voltage reaches final value +-1LSB */
  291. /* - DAC channel output buffer enabled */
  292. /* - load impedance of 5kOhm min, 50pF max */
  293. /* Literal set to maximum value (refer to device datasheet, */
  294. /* parameter "tSETTLING"). */
  295. /* Unit: us */
  296. #define LL_DAC_DELAY_VOLTAGE_SETTLING_US 12U /*!< Delay for DAC channel voltage settling time */
  297. /**
  298. * @}
  299. */
  300. /**
  301. * @}
  302. */
  303. /* Exported macro ------------------------------------------------------------*/
  304. /** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
  305. * @{
  306. */
  307. /** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
  308. * @{
  309. */
  310. /**
  311. * @brief Write a value in DAC register
  312. * @param __INSTANCE__ DAC Instance
  313. * @param __REG__ Register to be written
  314. * @param __VALUE__ Value to be written in the register
  315. * @retval None
  316. */
  317. #define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
  318. /**
  319. * @brief Read a value in DAC register
  320. * @param __INSTANCE__ DAC Instance
  321. * @param __REG__ Register to be read
  322. * @retval Register value
  323. */
  324. #define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
  325. /**
  326. * @}
  327. */
  328. /** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
  329. * @{
  330. */
  331. /**
  332. * @brief Helper macro to get DAC channel number in decimal format
  333. * from literals LL_DAC_CHANNEL_x.
  334. * Example:
  335. * __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
  336. * will return decimal number "1".
  337. * @note The input can be a value from functions where a channel
  338. * number is returned.
  339. * @param __CHANNEL__ This parameter can be one of the following values:
  340. * @arg @ref LL_DAC_CHANNEL_1
  341. * @arg @ref LL_DAC_CHANNEL_2
  342. * @retval 1...2
  343. */
  344. #define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__) \
  345. ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
  346. /**
  347. * @brief Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
  348. * from number in decimal format.
  349. * Example:
  350. * __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
  351. * will return a data equivalent to "LL_DAC_CHANNEL_1".
  352. * @note If the input parameter does not correspond to a DAC channel,
  353. * this macro returns value '0'.
  354. * @param __DECIMAL_NB__ 1...2
  355. * @retval Returned value can be one of the following values:
  356. * @arg @ref LL_DAC_CHANNEL_1
  357. * @arg @ref LL_DAC_CHANNEL_2
  358. */
  359. #define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
  360. (((__DECIMAL_NB__) == 1U) \
  361. ? ( \
  362. LL_DAC_CHANNEL_1 \
  363. ) \
  364. : \
  365. (((__DECIMAL_NB__) == 2U) \
  366. ? ( \
  367. LL_DAC_CHANNEL_2 \
  368. ) \
  369. : \
  370. ( \
  371. 0 \
  372. ) \
  373. ) \
  374. )
  375. /**
  376. * @brief Helper macro to define the DAC conversion data full-scale digital
  377. * value corresponding to the selected DAC resolution.
  378. * @note DAC conversion data full-scale corresponds to voltage range
  379. * determined by analog voltage references Vref+ and Vref-
  380. * (refer to reference manual).
  381. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  382. * @arg @ref LL_DAC_RESOLUTION_12B
  383. * @arg @ref LL_DAC_RESOLUTION_8B
  384. * @retval ADC conversion data equivalent voltage value (unit: mVolt)
  385. */
  386. #define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  387. ((0x00000FFFU) >> ((__DAC_RESOLUTION__) << 1U))
  388. /**
  389. * @brief Helper macro to calculate the DAC conversion data (unit: digital
  390. * value) corresponding to a voltage (unit: mVolt).
  391. * @note This helper macro is intended to provide input data in voltage
  392. * rather than digital value,
  393. * to be used with LL DAC functions such as
  394. * @ref LL_DAC_ConvertData12RightAligned().
  395. * @note Analog reference voltage (Vref+) must be either known from
  396. * user board environment or can be calculated using ADC measurement
  397. * and ADC helper macro @ref __LL_ADC_CALC_VREFANALOG_VOLTAGE().
  398. * @param __VREFANALOG_VOLTAGE__ Analog reference voltage (unit mV)
  399. * @param __DAC_VOLTAGE__ Voltage to be generated by DAC channel
  400. * (unit: mVolt).
  401. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  402. * @arg @ref LL_DAC_RESOLUTION_12B
  403. * @arg @ref LL_DAC_RESOLUTION_8B
  404. * @retval DAC conversion data (unit: digital value)
  405. */
  406. #define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__,\
  407. __DAC_VOLTAGE__,\
  408. __DAC_RESOLUTION__) \
  409. ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  410. / (__VREFANALOG_VOLTAGE__) \
  411. )
  412. /**
  413. * @}
  414. */
  415. /**
  416. * @}
  417. */
  418. /* Exported functions --------------------------------------------------------*/
  419. /** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
  420. * @{
  421. */
  422. /** @defgroup DAC_LL_EF_Configuration Configuration of DAC channels
  423. * @{
  424. */
  425. /**
  426. * @brief Set the conversion trigger source for the selected DAC channel.
  427. * @note For conversion trigger source to be effective, DAC trigger
  428. * must be enabled using function @ref LL_DAC_EnableTrigger().
  429. * @note To set conversion trigger source, DAC channel must be disabled.
  430. * Otherwise, the setting is discarded.
  431. * @note Availability of parameters of trigger sources from timer
  432. * depends on timers availability on the selected device.
  433. * @rmtoll CR TSEL1 LL_DAC_SetTriggerSource\n
  434. * CR TSEL2 LL_DAC_SetTriggerSource
  435. * @param DACx DAC instance
  436. * @param DAC_Channel This parameter can be one of the following values:
  437. * @arg @ref LL_DAC_CHANNEL_1
  438. * @arg @ref LL_DAC_CHANNEL_2
  439. * @param TriggerSource This parameter can be one of the following values:
  440. * @arg @ref LL_DAC_TRIG_SOFTWARE
  441. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO
  442. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  443. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  444. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  445. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  446. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  447. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  448. * @retval None
  449. */
  450. __STATIC_INLINE void LL_DAC_SetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriggerSource)
  451. {
  452. MODIFY_REG(DACx->CR,
  453. DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  454. TriggerSource << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  455. }
  456. /**
  457. * @brief Get the conversion trigger source for the selected DAC channel.
  458. * @note For conversion trigger source to be effective, DAC trigger
  459. * must be enabled using function @ref LL_DAC_EnableTrigger().
  460. * @note Availability of parameters of trigger sources from timer
  461. * depends on timers availability on the selected device.
  462. * @rmtoll CR TSEL1 LL_DAC_GetTriggerSource\n
  463. * CR TSEL2 LL_DAC_GetTriggerSource
  464. * @param DACx DAC instance
  465. * @param DAC_Channel This parameter can be one of the following values:
  466. * @arg @ref LL_DAC_CHANNEL_1
  467. * @arg @ref LL_DAC_CHANNEL_2
  468. * @retval Returned value can be one of the following values:
  469. * @arg @ref LL_DAC_TRIG_SOFTWARE
  470. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO
  471. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  472. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  473. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  474. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  475. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  476. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  477. */
  478. __STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  479. {
  480. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  481. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  482. );
  483. }
  484. /**
  485. * @brief Set the waveform automatic generation mode
  486. * for the selected DAC channel.
  487. * @rmtoll CR WAVE1 LL_DAC_SetWaveAutoGeneration\n
  488. * CR WAVE2 LL_DAC_SetWaveAutoGeneration
  489. * @param DACx DAC instance
  490. * @param DAC_Channel This parameter can be one of the following values:
  491. * @arg @ref LL_DAC_CHANNEL_1
  492. * @arg @ref LL_DAC_CHANNEL_2
  493. * @param WaveAutoGeneration This parameter can be one of the following values:
  494. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  495. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  496. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  497. * @retval None
  498. */
  499. __STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
  500. {
  501. MODIFY_REG(DACx->CR,
  502. DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  503. WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  504. }
  505. /**
  506. * @brief Get the waveform automatic generation mode
  507. * for the selected DAC channel.
  508. * @rmtoll CR WAVE1 LL_DAC_GetWaveAutoGeneration\n
  509. * CR WAVE2 LL_DAC_GetWaveAutoGeneration
  510. * @param DACx DAC instance
  511. * @param DAC_Channel This parameter can be one of the following values:
  512. * @arg @ref LL_DAC_CHANNEL_1
  513. * @arg @ref LL_DAC_CHANNEL_2
  514. * @retval Returned value can be one of the following values:
  515. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  516. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  517. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  518. */
  519. __STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  520. {
  521. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  522. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  523. );
  524. }
  525. /**
  526. * @brief Set the noise waveform generation for the selected DAC channel:
  527. * Noise mode and parameters LFSR (linear feedback shift register).
  528. * @note For wave generation to be effective, DAC channel
  529. * wave generation mode must be enabled using
  530. * function @ref LL_DAC_SetWaveAutoGeneration().
  531. * @note This setting can be set when the selected DAC channel is disabled
  532. * (otherwise, the setting operation is ignored).
  533. * @rmtoll CR MAMP1 LL_DAC_SetWaveNoiseLFSR\n
  534. * CR MAMP2 LL_DAC_SetWaveNoiseLFSR
  535. * @param DACx DAC instance
  536. * @param DAC_Channel This parameter can be one of the following values:
  537. * @arg @ref LL_DAC_CHANNEL_1
  538. * @arg @ref LL_DAC_CHANNEL_2
  539. * @param NoiseLFSRMask This parameter can be one of the following values:
  540. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  541. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  542. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  543. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  544. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  545. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  546. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  547. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  548. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  549. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  550. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  551. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  552. * @retval None
  553. */
  554. __STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
  555. {
  556. MODIFY_REG(DACx->CR,
  557. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  558. NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  559. }
  560. /**
  561. * @brief Set the noise waveform generation for the selected DAC channel:
  562. * Noise mode and parameters LFSR (linear feedback shift register).
  563. * @rmtoll CR MAMP1 LL_DAC_GetWaveNoiseLFSR\n
  564. * CR MAMP2 LL_DAC_GetWaveNoiseLFSR
  565. * @param DACx DAC instance
  566. * @param DAC_Channel This parameter can be one of the following values:
  567. * @arg @ref LL_DAC_CHANNEL_1
  568. * @arg @ref LL_DAC_CHANNEL_2
  569. * @retval Returned value can be one of the following values:
  570. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  571. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  572. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  573. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  574. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  575. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  576. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  577. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  578. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  579. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  580. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  581. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  582. */
  583. __STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  584. {
  585. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  586. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  587. );
  588. }
  589. /**
  590. * @brief Set the triangle waveform generation for the selected DAC channel:
  591. * triangle mode and amplitude.
  592. * @note For wave generation to be effective, DAC channel
  593. * wave generation mode must be enabled using
  594. * function @ref LL_DAC_SetWaveAutoGeneration().
  595. * @note This setting can be set when the selected DAC channel is disabled
  596. * (otherwise, the setting operation is ignored).
  597. * @rmtoll CR MAMP1 LL_DAC_SetWaveTriangleAmplitude\n
  598. * CR MAMP2 LL_DAC_SetWaveTriangleAmplitude
  599. * @param DACx DAC instance
  600. * @param DAC_Channel This parameter can be one of the following values:
  601. * @arg @ref LL_DAC_CHANNEL_1
  602. * @arg @ref LL_DAC_CHANNEL_2
  603. * @param TriangleAmplitude This parameter can be one of the following values:
  604. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  605. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  606. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  607. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  608. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  609. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  610. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  611. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  612. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  613. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  614. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  615. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  616. * @retval None
  617. */
  618. __STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriangleAmplitude)
  619. {
  620. MODIFY_REG(DACx->CR,
  621. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  622. TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  623. }
  624. /**
  625. * @brief Set the triangle waveform generation for the selected DAC channel:
  626. * triangle mode and amplitude.
  627. * @rmtoll CR MAMP1 LL_DAC_GetWaveTriangleAmplitude\n
  628. * CR MAMP2 LL_DAC_GetWaveTriangleAmplitude
  629. * @param DACx DAC instance
  630. * @param DAC_Channel This parameter can be one of the following values:
  631. * @arg @ref LL_DAC_CHANNEL_1
  632. * @arg @ref LL_DAC_CHANNEL_2
  633. * @retval Returned value can be one of the following values:
  634. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  635. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  636. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  637. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  638. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  639. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  640. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  641. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  642. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  643. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  644. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  645. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  646. */
  647. __STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  648. {
  649. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  650. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  651. );
  652. }
  653. /**
  654. * @brief Set the output buffer for the selected DAC channel.
  655. * @rmtoll CR BOFF1 LL_DAC_SetOutputBuffer\n
  656. * CR BOFF2 LL_DAC_SetOutputBuffer
  657. * @param DACx DAC instance
  658. * @param DAC_Channel This parameter can be one of the following values:
  659. * @arg @ref LL_DAC_CHANNEL_1
  660. * @arg @ref LL_DAC_CHANNEL_2
  661. * @param OutputBuffer This parameter can be one of the following values:
  662. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  663. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  664. * @retval None
  665. */
  666. __STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
  667. {
  668. MODIFY_REG(DACx->CR,
  669. DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  670. OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  671. }
  672. /**
  673. * @brief Get the output buffer state for the selected DAC channel.
  674. * @rmtoll CR BOFF1 LL_DAC_GetOutputBuffer\n
  675. * CR BOFF2 LL_DAC_GetOutputBuffer
  676. * @param DACx DAC instance
  677. * @param DAC_Channel This parameter can be one of the following values:
  678. * @arg @ref LL_DAC_CHANNEL_1
  679. * @arg @ref LL_DAC_CHANNEL_2
  680. * @retval Returned value can be one of the following values:
  681. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  682. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  683. */
  684. __STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  685. {
  686. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  687. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  688. );
  689. }
  690. /**
  691. * @}
  692. */
  693. /** @defgroup DAC_LL_EF_DMA_Management DMA Management
  694. * @{
  695. */
  696. /**
  697. * @brief Enable DAC DMA transfer request of the selected channel.
  698. * @note To configure DMA source address (peripheral address),
  699. * use function @ref LL_DAC_DMA_GetRegAddr().
  700. * @rmtoll CR DMAEN1 LL_DAC_EnableDMAReq\n
  701. * CR DMAEN2 LL_DAC_EnableDMAReq
  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
  706. * @retval None
  707. */
  708. __STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  709. {
  710. SET_BIT(DACx->CR,
  711. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  712. }
  713. /**
  714. * @brief Disable DAC DMA transfer request of the selected channel.
  715. * @note To configure DMA source address (peripheral address),
  716. * use function @ref LL_DAC_DMA_GetRegAddr().
  717. * @rmtoll CR DMAEN1 LL_DAC_DisableDMAReq\n
  718. * CR DMAEN2 LL_DAC_DisableDMAReq
  719. * @param DACx DAC instance
  720. * @param DAC_Channel This parameter can be one of the following values:
  721. * @arg @ref LL_DAC_CHANNEL_1
  722. * @arg @ref LL_DAC_CHANNEL_2
  723. * @retval None
  724. */
  725. __STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  726. {
  727. CLEAR_BIT(DACx->CR,
  728. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  729. }
  730. /**
  731. * @brief Get DAC DMA transfer request state of the selected channel.
  732. * (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
  733. * @rmtoll CR DMAEN1 LL_DAC_IsDMAReqEnabled\n
  734. * CR DMAEN2 LL_DAC_IsDMAReqEnabled
  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
  739. * @retval State of bit (1 or 0).
  740. */
  741. __STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  742. {
  743. return (READ_BIT(DACx->CR,
  744. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  745. == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  746. }
  747. /**
  748. * @brief Function to help to configure DMA transfer to DAC: retrieve the
  749. * DAC register address from DAC instance and a list of DAC registers
  750. * intended to be used (most commonly) with DMA transfer.
  751. * @note These DAC registers are data holding registers:
  752. * when DAC conversion is requested, DAC generates a DMA transfer
  753. * request to have data available in DAC data holding registers.
  754. * @note This macro is intended to be used with LL DMA driver, refer to
  755. * function "LL_DMA_ConfigAddresses()".
  756. * Example:
  757. * LL_DMA_ConfigAddresses(DMA1,
  758. * LL_DMA_CHANNEL_1,
  759. * (uint32_t)&< array or variable >,
  760. * LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1, LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
  761. * LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
  762. * @rmtoll DHR12R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  763. * DHR12L1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  764. * DHR8R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  765. * DHR12R2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  766. * DHR12L2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  767. * DHR8R2 DACC2DHR LL_DAC_DMA_GetRegAddr
  768. * @param DACx DAC instance
  769. * @param DAC_Channel This parameter can be one of the following values:
  770. * @arg @ref LL_DAC_CHANNEL_1
  771. * @arg @ref LL_DAC_CHANNEL_2
  772. * @param Register This parameter can be one of the following values:
  773. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
  774. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
  775. * @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
  776. * @retval DAC register address
  777. */
  778. __STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
  779. {
  780. /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on */
  781. /* DAC channel selected. */
  782. return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, Register))));
  783. }
  784. /**
  785. * @}
  786. */
  787. /** @defgroup DAC_LL_EF_Operation Operation on DAC channels
  788. * @{
  789. */
  790. /**
  791. * @brief Enable DAC selected channel.
  792. * @rmtoll CR EN1 LL_DAC_Enable\n
  793. * CR EN2 LL_DAC_Enable
  794. * @note After enable from off state, DAC channel requires a delay
  795. * for output voltage to reach accuracy +/- 1 LSB.
  796. * Refer to device datasheet, parameter "tWAKEUP".
  797. * @param DACx DAC instance
  798. * @param DAC_Channel This parameter can be one of the following values:
  799. * @arg @ref LL_DAC_CHANNEL_1
  800. * @arg @ref LL_DAC_CHANNEL_2
  801. * @retval None
  802. */
  803. __STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  804. {
  805. SET_BIT(DACx->CR,
  806. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  807. }
  808. /**
  809. * @brief Disable DAC selected channel.
  810. * @rmtoll CR EN1 LL_DAC_Disable\n
  811. * CR EN2 LL_DAC_Disable
  812. * @param DACx DAC instance
  813. * @param DAC_Channel This parameter can be one of the following values:
  814. * @arg @ref LL_DAC_CHANNEL_1
  815. * @arg @ref LL_DAC_CHANNEL_2
  816. * @retval None
  817. */
  818. __STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  819. {
  820. CLEAR_BIT(DACx->CR,
  821. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  822. }
  823. /**
  824. * @brief Get DAC enable state of the selected channel.
  825. * (0: DAC channel is disabled, 1: DAC channel is enabled)
  826. * @rmtoll CR EN1 LL_DAC_IsEnabled\n
  827. * CR EN2 LL_DAC_IsEnabled
  828. * @param DACx DAC instance
  829. * @param DAC_Channel This parameter can be one of the following values:
  830. * @arg @ref LL_DAC_CHANNEL_1
  831. * @arg @ref LL_DAC_CHANNEL_2
  832. * @retval State of bit (1 or 0).
  833. */
  834. __STATIC_INLINE uint32_t LL_DAC_IsEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  835. {
  836. return (READ_BIT(DACx->CR,
  837. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  838. == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  839. }
  840. /**
  841. * @brief Enable DAC trigger of the selected channel.
  842. * @note - If DAC trigger is disabled, DAC conversion is performed
  843. * automatically once the data holding register is updated,
  844. * using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  845. * @ref LL_DAC_ConvertData12RightAligned(), ...
  846. * - If DAC trigger is enabled, DAC conversion is performed
  847. * only when a hardware of software trigger event is occurring.
  848. * Select trigger source using
  849. * function @ref LL_DAC_SetTriggerSource().
  850. * @rmtoll CR TEN1 LL_DAC_EnableTrigger\n
  851. * CR TEN2 LL_DAC_EnableTrigger
  852. * @param DACx DAC instance
  853. * @param DAC_Channel This parameter can be one of the following values:
  854. * @arg @ref LL_DAC_CHANNEL_1
  855. * @arg @ref LL_DAC_CHANNEL_2
  856. * @retval None
  857. */
  858. __STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  859. {
  860. SET_BIT(DACx->CR,
  861. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  862. }
  863. /**
  864. * @brief Disable DAC trigger of the selected channel.
  865. * @rmtoll CR TEN1 LL_DAC_DisableTrigger\n
  866. * CR TEN2 LL_DAC_DisableTrigger
  867. * @param DACx DAC instance
  868. * @param DAC_Channel This parameter can be one of the following values:
  869. * @arg @ref LL_DAC_CHANNEL_1
  870. * @arg @ref LL_DAC_CHANNEL_2
  871. * @retval None
  872. */
  873. __STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  874. {
  875. CLEAR_BIT(DACx->CR,
  876. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  877. }
  878. /**
  879. * @brief Get DAC trigger state of the selected channel.
  880. * (0: DAC trigger is disabled, 1: DAC trigger is enabled)
  881. * @rmtoll CR TEN1 LL_DAC_IsTriggerEnabled\n
  882. * CR TEN2 LL_DAC_IsTriggerEnabled
  883. * @param DACx DAC instance
  884. * @param DAC_Channel This parameter can be one of the following values:
  885. * @arg @ref LL_DAC_CHANNEL_1
  886. * @arg @ref LL_DAC_CHANNEL_2
  887. * @retval State of bit (1 or 0).
  888. */
  889. __STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  890. {
  891. return (READ_BIT(DACx->CR,
  892. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  893. == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  894. }
  895. /**
  896. * @brief Trig DAC conversion by software for the selected DAC channel.
  897. * @note Preliminarily, DAC trigger must be set to software trigger
  898. * using function @ref LL_DAC_SetTriggerSource()
  899. * with parameter "LL_DAC_TRIGGER_SOFTWARE".
  900. * and DAC trigger must be enabled using
  901. * function @ref LL_DAC_EnableTrigger().
  902. * @note For devices featuring DAC with 2 channels: this function
  903. * can perform a SW start of both DAC channels simultaneously.
  904. * Two channels can be selected as parameter.
  905. * Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
  906. * @rmtoll SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion\n
  907. * SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
  908. * @param DACx DAC instance
  909. * @param DAC_Channel This parameter can a combination of the following values:
  910. * @arg @ref LL_DAC_CHANNEL_1
  911. * @arg @ref LL_DAC_CHANNEL_2
  912. * @retval None
  913. */
  914. __STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  915. {
  916. SET_BIT(DACx->SWTRIGR,
  917. (DAC_Channel & DAC_SWTR_CHX_MASK));
  918. }
  919. /**
  920. * @brief Set the data to be loaded in the data holding register
  921. * in format 12 bits left alignment (LSB aligned on bit 0),
  922. * for the selected DAC channel.
  923. * @rmtoll DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned\n
  924. * DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned
  925. * @param DACx DAC instance
  926. * @param DAC_Channel This parameter can be one of the following values:
  927. * @arg @ref LL_DAC_CHANNEL_1
  928. * @arg @ref LL_DAC_CHANNEL_2
  929. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  930. * @retval None
  931. */
  932. __STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  933. {
  934. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12RX_REGOFFSET_MASK));
  935. MODIFY_REG(*preg,
  936. DAC_DHR12R1_DACC1DHR,
  937. Data);
  938. }
  939. /**
  940. * @brief Set the data to be loaded in the data holding register
  941. * in format 12 bits left alignment (MSB aligned on bit 15),
  942. * for the selected DAC channel.
  943. * @rmtoll DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned\n
  944. * DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned
  945. * @param DACx DAC instance
  946. * @param DAC_Channel This parameter can be one of the following values:
  947. * @arg @ref LL_DAC_CHANNEL_1
  948. * @arg @ref LL_DAC_CHANNEL_2
  949. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  950. * @retval None
  951. */
  952. __STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  953. {
  954. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12LX_REGOFFSET_MASK));
  955. MODIFY_REG(*preg,
  956. DAC_DHR12L1_DACC1DHR,
  957. Data);
  958. }
  959. /**
  960. * @brief Set the data to be loaded in the data holding register
  961. * in format 8 bits left alignment (LSB aligned on bit 0),
  962. * for the selected DAC channel.
  963. * @rmtoll DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned\n
  964. * DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned
  965. * @param DACx DAC instance
  966. * @param DAC_Channel This parameter can be one of the following values:
  967. * @arg @ref LL_DAC_CHANNEL_1
  968. * @arg @ref LL_DAC_CHANNEL_2
  969. * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
  970. * @retval None
  971. */
  972. __STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  973. {
  974. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR8RX_REGOFFSET_MASK));
  975. MODIFY_REG(*preg,
  976. DAC_DHR8R1_DACC1DHR,
  977. Data);
  978. }
  979. /**
  980. * @brief Set the data to be loaded in the data holding register
  981. * in format 12 bits left alignment (LSB aligned on bit 0),
  982. * for both DAC channels.
  983. * @rmtoll DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned\n
  984. * DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned
  985. * @param DACx DAC instance
  986. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  987. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  988. * @retval None
  989. */
  990. __STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  991. {
  992. MODIFY_REG(DACx->DHR12RD,
  993. (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
  994. ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  995. }
  996. /**
  997. * @brief Set the data to be loaded in the data holding register
  998. * in format 12 bits left alignment (MSB aligned on bit 15),
  999. * for both DAC channels.
  1000. * @rmtoll DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned\n
  1001. * DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned
  1002. * @param DACx DAC instance
  1003. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1004. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1005. * @retval None
  1006. */
  1007. __STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1008. {
  1009. /* Note: Data of DAC channel 2 shift value subtracted of 4 because */
  1010. /* data on 16 bits and DAC channel 2 bits field is on the 12 MSB, */
  1011. /* the 4 LSB must be taken into account for the shift value. */
  1012. MODIFY_REG(DACx->DHR12LD,
  1013. (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
  1014. ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
  1015. }
  1016. /**
  1017. * @brief Set the data to be loaded in the data holding register
  1018. * in format 8 bits left alignment (LSB aligned on bit 0),
  1019. * for both DAC channels.
  1020. * @rmtoll DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned\n
  1021. * DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned
  1022. * @param DACx DAC instance
  1023. * @param DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
  1024. * @param DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
  1025. * @retval None
  1026. */
  1027. __STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1028. {
  1029. MODIFY_REG(DACx->DHR8RD,
  1030. (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
  1031. ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1032. }
  1033. /**
  1034. * @brief Retrieve output data currently generated for the selected DAC channel.
  1035. * @note Whatever alignment and resolution settings
  1036. * (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  1037. * @ref LL_DAC_ConvertData12RightAligned(), ...),
  1038. * output data format is 12 bits right aligned (LSB aligned on bit 0).
  1039. * @rmtoll DOR1 DACC1DOR LL_DAC_RetrieveOutputData\n
  1040. * DOR2 DACC2DOR LL_DAC_RetrieveOutputData
  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
  1045. * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
  1046. */
  1047. __STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1048. {
  1049. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DORX_REGOFFSET_MASK));
  1050. return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
  1051. }
  1052. /**
  1053. * @}
  1054. */
  1055. /** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
  1056. * @{
  1057. */
  1058. /**
  1059. * @brief Get DAC underrun flag for DAC channel 1
  1060. * @rmtoll SR DMAUDR1 LL_DAC_IsActiveFlag_DMAUDR1
  1061. * @param DACx DAC instance
  1062. * @retval State of bit (1 or 0).
  1063. */
  1064. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(DAC_TypeDef *DACx)
  1065. {
  1066. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1));
  1067. }
  1068. /**
  1069. * @brief Get DAC underrun flag for DAC channel 2
  1070. * @rmtoll SR DMAUDR2 LL_DAC_IsActiveFlag_DMAUDR2
  1071. * @param DACx DAC instance
  1072. * @retval State of bit (1 or 0).
  1073. */
  1074. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(DAC_TypeDef *DACx)
  1075. {
  1076. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2));
  1077. }
  1078. /**
  1079. * @brief Clear DAC underrun flag for DAC channel 1
  1080. * @rmtoll SR DMAUDR1 LL_DAC_ClearFlag_DMAUDR1
  1081. * @param DACx DAC instance
  1082. * @retval None
  1083. */
  1084. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
  1085. {
  1086. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
  1087. }
  1088. /**
  1089. * @brief Clear DAC underrun flag for DAC channel 2
  1090. * @rmtoll SR DMAUDR2 LL_DAC_ClearFlag_DMAUDR2
  1091. * @param DACx DAC instance
  1092. * @retval None
  1093. */
  1094. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
  1095. {
  1096. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
  1097. }
  1098. /**
  1099. * @}
  1100. */
  1101. /** @defgroup DAC_LL_EF_IT_Management IT management
  1102. * @{
  1103. */
  1104. /**
  1105. * @brief Enable DMA underrun interrupt for DAC channel 1
  1106. * @rmtoll CR DMAUDRIE1 LL_DAC_EnableIT_DMAUDR1
  1107. * @param DACx DAC instance
  1108. * @retval None
  1109. */
  1110. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
  1111. {
  1112. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1113. }
  1114. /**
  1115. * @brief Enable DMA underrun interrupt for DAC channel 2
  1116. * @rmtoll CR DMAUDRIE2 LL_DAC_EnableIT_DMAUDR2
  1117. * @param DACx DAC instance
  1118. * @retval None
  1119. */
  1120. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
  1121. {
  1122. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1123. }
  1124. /**
  1125. * @brief Disable DMA underrun interrupt for DAC channel 1
  1126. * @rmtoll CR DMAUDRIE1 LL_DAC_DisableIT_DMAUDR1
  1127. * @param DACx DAC instance
  1128. * @retval None
  1129. */
  1130. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
  1131. {
  1132. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1133. }
  1134. /**
  1135. * @brief Disable DMA underrun interrupt for DAC channel 2
  1136. * @rmtoll CR DMAUDRIE2 LL_DAC_DisableIT_DMAUDR2
  1137. * @param DACx DAC instance
  1138. * @retval None
  1139. */
  1140. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
  1141. {
  1142. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1143. }
  1144. /**
  1145. * @brief Get DMA underrun interrupt for DAC channel 1
  1146. * @rmtoll CR DMAUDRIE1 LL_DAC_IsEnabledIT_DMAUDR1
  1147. * @param DACx DAC instance
  1148. * @retval State of bit (1 or 0).
  1149. */
  1150. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(DAC_TypeDef *DACx)
  1151. {
  1152. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1));
  1153. }
  1154. /**
  1155. * @brief Get DMA underrun interrupt for DAC channel 2
  1156. * @rmtoll CR DMAUDRIE2 LL_DAC_IsEnabledIT_DMAUDR2
  1157. * @param DACx DAC instance
  1158. * @retval State of bit (1 or 0).
  1159. */
  1160. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(DAC_TypeDef *DACx)
  1161. {
  1162. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2));
  1163. }
  1164. /**
  1165. * @}
  1166. */
  1167. #if defined(USE_FULL_LL_DRIVER)
  1168. /** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
  1169. * @{
  1170. */
  1171. ErrorStatus LL_DAC_DeInit(DAC_TypeDef* DACx);
  1172. ErrorStatus LL_DAC_Init(DAC_TypeDef* DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef* DAC_InitStruct);
  1173. void LL_DAC_StructInit(LL_DAC_InitTypeDef* DAC_InitStruct);
  1174. /**
  1175. * @}
  1176. */
  1177. #endif /* USE_FULL_LL_DRIVER */
  1178. /**
  1179. * @}
  1180. */
  1181. /**
  1182. * @}
  1183. */
  1184. #endif /* DAC */
  1185. /**
  1186. * @}
  1187. */
  1188. #ifdef __cplusplus
  1189. }
  1190. #endif
  1191. #endif /* __STM32F7xx_LL_DAC_H */
  1192. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/