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stm32f1xx_ll_dac.h 62KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f1xx_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) 2016 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. */
  19. /* Define to prevent recursive inclusion -------------------------------------*/
  20. #ifndef STM32F1xx_LL_DAC_H
  21. #define STM32F1xx_LL_DAC_H
  22. #ifdef __cplusplus
  23. extern "C" {
  24. #endif
  25. /* Includes ------------------------------------------------------------------*/
  26. #include "stm32f1xx.h"
  27. /** @addtogroup STM32F1xx_LL_Driver
  28. * @{
  29. */
  30. #if defined(DAC)
  31. /** @defgroup DAC_LL DAC
  32. * @{
  33. */
  34. /* Private types -------------------------------------------------------------*/
  35. /* Private variables ---------------------------------------------------------*/
  36. /* Private constants ---------------------------------------------------------*/
  37. /** @defgroup DAC_LL_Private_Constants DAC Private Constants
  38. * @{
  39. */
  40. /* Internal masks for DAC channels definition */
  41. /* To select into literal LL_DAC_CHANNEL_x the relevant bits for: */
  42. /* - channel bits position into registers CR, MCR, CCR, SHHR, SHRR */
  43. /* - channel bits position into register SWTRIG */
  44. /* - channel register offset of data holding register DHRx */
  45. /* - channel register offset of data output register DORx */
  46. #define DAC_CR_CH1_BITOFFSET 0UL /* Position of channel bits into registers
  47. CR, MCR, CCR, SHHR, SHRR of channel 1 */
  48. #define DAC_CR_CH2_BITOFFSET 16UL /* Position of channel bits into registers
  49. CR, MCR, CCR, SHHR, SHRR of channel 2 */
  50. #define DAC_CR_CHX_BITOFFSET_MASK (DAC_CR_CH1_BITOFFSET | DAC_CR_CH2_BITOFFSET)
  51. #define DAC_SWTR_CH1 (DAC_SWTRIGR_SWTRIG1) /* Channel bit into register SWTRIGR of channel 1. */
  52. #define DAC_SWTR_CH2 (DAC_SWTRIGR_SWTRIG2) /* Channel bit into register SWTRIGR of channel 2. */
  53. #define DAC_SWTR_CHX_MASK (DAC_SWTR_CH1 | DAC_SWTR_CH2)
  54. #define DAC_REG_DHR12R1_REGOFFSET 0x00000000UL /* Register DHR12Rx channel 1 taken as reference */
  55. #define DAC_REG_DHR12L1_REGOFFSET 0x00100000UL /* Register offset of DHR12Lx channel 1 versus
  56. DHR12Rx channel 1 (shifted left of 20 bits) */
  57. #define DAC_REG_DHR8R1_REGOFFSET 0x02000000UL /* Register offset of DHR8Rx channel 1 versus
  58. DHR12Rx channel 1 (shifted left of 24 bits) */
  59. #define DAC_REG_DHR12R2_REGOFFSET 0x00030000UL /* Register offset of DHR12Rx channel 2 versus
  60. DHR12Rx channel 1 (shifted left of 16 bits) */
  61. #define DAC_REG_DHR12L2_REGOFFSET 0x00400000UL /* Register offset of DHR12Lx channel 2 versus
  62. DHR12Rx channel 1 (shifted left of 20 bits) */
  63. #define DAC_REG_DHR8R2_REGOFFSET 0x05000000UL /* Register offset of DHR8Rx channel 2 versus
  64. DHR12Rx channel 1 (shifted left of 24 bits) */
  65. #define DAC_REG_DHR12RX_REGOFFSET_MASK 0x000F0000UL
  66. #define DAC_REG_DHR12LX_REGOFFSET_MASK 0x00F00000UL
  67. #define DAC_REG_DHR8RX_REGOFFSET_MASK 0x0F000000UL
  68. #define DAC_REG_DHRX_REGOFFSET_MASK (DAC_REG_DHR12RX_REGOFFSET_MASK\
  69. | DAC_REG_DHR12LX_REGOFFSET_MASK | DAC_REG_DHR8RX_REGOFFSET_MASK)
  70. #define DAC_REG_DOR1_REGOFFSET 0x00000000UL /* Register DORx channel 1 taken as reference */
  71. #define DAC_REG_DOR2_REGOFFSET 0x10000000UL /* Register offset of DORx channel 1 versus
  72. DORx channel 2 (shifted left of 28 bits) */
  73. #define DAC_REG_DORX_REGOFFSET_MASK (DAC_REG_DOR1_REGOFFSET | DAC_REG_DOR2_REGOFFSET)
  74. #define DAC_REG_DHR_REGOFFSET_MASK_POSBIT0 0x0000000FUL /* Mask of data hold registers offset (DHR12Rx,
  75. DHR12Lx, DHR8Rx, ...) when shifted to position 0 */
  76. #define DAC_REG_DORX_REGOFFSET_MASK_POSBIT0 0x00000001UL /* Mask of DORx registers offset when shifted
  77. to position 0 */
  78. #define DAC_REG_SHSRX_REGOFFSET_MASK_POSBIT0 0x00000001UL /* Mask of SHSRx registers offset when shifted
  79. to position 0 */
  80. #define DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS 16UL /* Position of bits register offset of DHR12Rx
  81. channel 1 or 2 versus DHR12Rx channel 1
  82. (shifted left of 16 bits) */
  83. #define DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS 20UL /* Position of bits register offset of DHR12Lx
  84. channel 1 or 2 versus DHR12Rx channel 1
  85. (shifted left of 20 bits) */
  86. #define DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS 24UL /* Position of bits register offset of DHR8Rx
  87. channel 1 or 2 versus DHR12Rx channel 1
  88. (shifted left of 24 bits) */
  89. #define DAC_REG_DORX_REGOFFSET_BITOFFSET_POS 28UL /* Position of bits register offset of DORx
  90. channel 1 or 2 versus DORx channel 1
  91. (shifted left of 28 bits) */
  92. /* DAC registers bits positions */
  93. #define DAC_DHR12RD_DACC2DHR_BITOFFSET_POS DAC_DHR12RD_DACC2DHR_Pos
  94. #define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS DAC_DHR12LD_DACC2DHR_Pos
  95. #define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS DAC_DHR8RD_DACC2DHR_Pos
  96. /* Miscellaneous data */
  97. #define DAC_DIGITAL_SCALE_12BITS 4095UL /* Full-scale digital value with a resolution of 12
  98. bits (voltage range determined by analog voltage
  99. references Vref+ and Vref-, refer to reference manual) */
  100. /**
  101. * @}
  102. */
  103. /* Private macros ------------------------------------------------------------*/
  104. /** @defgroup DAC_LL_Private_Macros DAC Private Macros
  105. * @{
  106. */
  107. /**
  108. * @brief Driver macro reserved for internal use: set a pointer to
  109. * a register from a register basis from which an offset
  110. * is applied.
  111. * @param __REG__ Register basis from which the offset is applied.
  112. * @param __REG_OFFFSET__ Offset to be applied (unit: number of registers).
  113. * @retval Pointer to register address
  114. */
  115. #define __DAC_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__) \
  116. ((uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2UL))))
  117. /**
  118. * @}
  119. */
  120. /* Exported types ------------------------------------------------------------*/
  121. #if defined(USE_FULL_LL_DRIVER)
  122. /** @defgroup DAC_LL_ES_INIT DAC Exported Init structure
  123. * @{
  124. */
  125. /**
  126. * @brief Structure definition of some features of DAC instance.
  127. */
  128. typedef struct
  129. {
  130. uint32_t TriggerSource; /*!< Set the conversion trigger source for the selected DAC channel:
  131. internal (SW start) or from external peripheral
  132. (timer event, external interrupt line).
  133. This parameter can be a value of @ref DAC_LL_EC_TRIGGER_SOURCE
  134. This feature can be modified afterwards using unitary
  135. function @ref LL_DAC_SetTriggerSource(). */
  136. uint32_t WaveAutoGeneration; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  137. This parameter can be a value of @ref DAC_LL_EC_WAVE_AUTO_GENERATION_MODE
  138. This feature can be modified afterwards using unitary
  139. function @ref LL_DAC_SetWaveAutoGeneration(). */
  140. uint32_t WaveAutoGenerationConfig; /*!< Set the waveform automatic generation mode for the selected DAC channel.
  141. If waveform automatic generation mode is set to noise, this parameter
  142. can be a value of @ref DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS
  143. If waveform automatic generation mode is set to triangle,
  144. this parameter can be a value of @ref DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE
  145. @note If waveform automatic generation mode is disabled,
  146. this parameter is discarded.
  147. This feature can be modified afterwards using unitary
  148. function @ref LL_DAC_SetWaveNoiseLFSR(),
  149. @ref LL_DAC_SetWaveTriangleAmplitude()
  150. depending on the wave automatic generation selected. */
  151. uint32_t OutputBuffer; /*!< Set the output buffer for the selected DAC channel.
  152. This parameter can be a value of @ref DAC_LL_EC_OUTPUT_BUFFER
  153. This feature can be modified afterwards using unitary
  154. function @ref LL_DAC_SetOutputBuffer(). */
  155. } LL_DAC_InitTypeDef;
  156. /**
  157. * @}
  158. */
  159. #endif /* USE_FULL_LL_DRIVER */
  160. /* Exported constants --------------------------------------------------------*/
  161. /** @defgroup DAC_LL_Exported_Constants DAC Exported Constants
  162. * @{
  163. */
  164. /** @defgroup DAC_LL_EC_GET_FLAG DAC flags
  165. * @brief Flags defines which can be used with LL_DAC_ReadReg function
  166. * @{
  167. */
  168. /* DAC channel 1 flags */
  169. #define LL_DAC_FLAG_DMAUDR1 (DAC_SR_DMAUDR1) /*!< DAC channel 1 flag DMA underrun */
  170. /* DAC channel 2 flags */
  171. #define LL_DAC_FLAG_DMAUDR2 (DAC_SR_DMAUDR2) /*!< DAC channel 2 flag DMA underrun */
  172. /**
  173. * @}
  174. */
  175. /** @defgroup DAC_LL_EC_IT DAC interruptions
  176. * @brief IT defines which can be used with LL_DAC_ReadReg and LL_DAC_WriteReg functions
  177. * @{
  178. */
  179. #define LL_DAC_IT_DMAUDRIE1 (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
  180. #define LL_DAC_IT_DMAUDRIE2 (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
  181. /**
  182. * @}
  183. */
  184. /** @defgroup DAC_LL_EC_CHANNEL DAC channels
  185. * @{
  186. */
  187. #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 */
  188. #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 */
  189. /**
  190. * @}
  191. */
  192. /** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
  193. * @{
  194. */
  195. #define LL_DAC_TRIG_SOFTWARE (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
  196. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM3 TRGO. */
  197. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM15 TRGO. */
  198. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external peripheral: TIM2 TRGO. */
  199. #define LL_DAC_TRIG_EXT_TIM8_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM8 TRGO. */
  200. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM4 TRGO. */
  201. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000UL /*!< DAC channel conversion trigger from external peripheral: TIM6 TRGO. */
  202. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external peripheral: TIM7 TRGO. */
  203. #define LL_DAC_TRIG_EXT_TIM5_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM5 TRGO. */
  204. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external peripheral: external interrupt line 9. */
  205. /**
  206. * @}
  207. */
  208. /** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
  209. * @{
  210. */
  211. #define LL_DAC_WAVE_AUTO_GENERATION_NONE 0x00000000UL /*!< DAC channel wave auto generation mode disabled. */
  212. #define LL_DAC_WAVE_AUTO_GENERATION_NOISE ( DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
  213. #define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1 ) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
  214. /**
  215. * @}
  216. */
  217. /** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
  218. * @{
  219. */
  220. #define LL_DAC_NOISE_LFSR_UNMASK_BIT0 0x00000000UL /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
  221. #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 */
  222. #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 */
  223. #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 */
  224. #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 */
  225. #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 */
  226. #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 */
  227. #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 */
  228. #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 */
  229. #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 */
  230. #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 */
  231. #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 */
  232. /**
  233. * @}
  234. */
  235. /** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
  236. * @{
  237. */
  238. #define LL_DAC_TRIANGLE_AMPLITUDE_1 0x00000000UL /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
  239. #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 */
  240. #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 */
  241. #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 */
  242. #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 */
  243. #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 */
  244. #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 */
  245. #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 */
  246. #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 */
  247. #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 */
  248. #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 */
  249. #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 */
  250. /**
  251. * @}
  252. */
  253. /** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
  254. * @{
  255. */
  256. #define LL_DAC_OUTPUT_BUFFER_ENABLE 0x00000000UL /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
  257. #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 */
  258. /**
  259. * @}
  260. */
  261. /** @defgroup DAC_LL_EC_RESOLUTION DAC channel output resolution
  262. * @{
  263. */
  264. #define LL_DAC_RESOLUTION_12B 0x00000000UL /*!< DAC channel resolution 12 bits */
  265. #define LL_DAC_RESOLUTION_8B 0x00000002UL /*!< DAC channel resolution 8 bits */
  266. /**
  267. * @}
  268. */
  269. /** @defgroup DAC_LL_EC_REGISTERS DAC registers compliant with specific purpose
  270. * @{
  271. */
  272. /* List of DAC registers intended to be used (most commonly) with */
  273. /* DMA transfer. */
  274. /* Refer to function @ref LL_DAC_DMA_GetRegAddr(). */
  275. #define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits right aligned */
  276. #define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits left aligned */
  277. #define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 8 bits right aligned */
  278. /**
  279. * @}
  280. */
  281. /** @defgroup DAC_LL_EC_HW_DELAYS Definitions of DAC hardware constraints delays
  282. * @note Only DAC peripheral HW delays are defined in DAC LL driver driver,
  283. * not timeout values.
  284. * For details on delays values, refer to descriptions in source code
  285. * above each literal definition.
  286. * @{
  287. */
  288. /* Delay for DAC channel voltage settling time from DAC channel startup */
  289. /* (transition from disable to enable). */
  290. /* Note: DAC channel startup time depends on board application environment: */
  291. /* impedance connected to DAC channel output. */
  292. /* The delay below is specified under conditions: */
  293. /* - voltage maximum transition (lowest to highest value) */
  294. /* - until voltage reaches final value +-1LSB */
  295. /* - DAC channel output buffer enabled */
  296. /* - load impedance of 5kOhm (min), 50pF (max) */
  297. /* Literal set to maximum value (refer to device datasheet, */
  298. /* parameter "tWAKEUP"). */
  299. /* Unit: us */
  300. #define LL_DAC_DELAY_STARTUP_VOLTAGE_SETTLING_US 15UL /*!< Delay for DAC channel voltage settling time from DAC channel startup (transition from disable to enable) */
  301. /* Delay for DAC channel voltage settling time. */
  302. /* Note: DAC channel startup time depends on board application environment: */
  303. /* impedance connected to DAC channel output. */
  304. /* The delay below is specified under conditions: */
  305. /* - voltage maximum transition (lowest to highest value) */
  306. /* - until voltage reaches final value +-1LSB */
  307. /* - DAC channel output buffer enabled */
  308. /* - load impedance of 5kOhm min, 50pF max */
  309. /* Literal set to maximum value (refer to device datasheet, */
  310. /* parameter "tSETTLING"). */
  311. /* Unit: us */
  312. #define LL_DAC_DELAY_VOLTAGE_SETTLING_US 12UL /*!< Delay for DAC channel voltage settling time */
  313. /**
  314. * @}
  315. */
  316. /**
  317. * @}
  318. */
  319. /* Exported macro ------------------------------------------------------------*/
  320. /** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
  321. * @{
  322. */
  323. /** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
  324. * @{
  325. */
  326. /**
  327. * @brief Write a value in DAC register
  328. * @param __INSTANCE__ DAC Instance
  329. * @param __REG__ Register to be written
  330. * @param __VALUE__ Value to be written in the register
  331. * @retval None
  332. */
  333. #define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
  334. /**
  335. * @brief Read a value in DAC register
  336. * @param __INSTANCE__ DAC Instance
  337. * @param __REG__ Register to be read
  338. * @retval Register value
  339. */
  340. #define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
  341. /**
  342. * @}
  343. */
  344. /** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
  345. * @{
  346. */
  347. /**
  348. * @brief Helper macro to get DAC channel number in decimal format
  349. * from literals LL_DAC_CHANNEL_x.
  350. * Example:
  351. * __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
  352. * will return decimal number "1".
  353. * @note The input can be a value from functions where a channel
  354. * number is returned.
  355. * @param __CHANNEL__ This parameter can be one of the following values:
  356. * @arg @ref LL_DAC_CHANNEL_1
  357. * @arg @ref LL_DAC_CHANNEL_2
  358. * @retval 1...2
  359. */
  360. #define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__) \
  361. ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
  362. /**
  363. * @brief Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
  364. * from number in decimal format.
  365. * Example:
  366. * __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
  367. * will return a data equivalent to "LL_DAC_CHANNEL_1".
  368. * @note If the input parameter does not correspond to a DAC channel,
  369. * this macro returns value '0'.
  370. * @param __DECIMAL_NB__ 1...2
  371. * @retval Returned value can be one of the following values:
  372. * @arg @ref LL_DAC_CHANNEL_1
  373. * @arg @ref LL_DAC_CHANNEL_2
  374. */
  375. #define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__)\
  376. (((__DECIMAL_NB__) == 1UL)? (LL_DAC_CHANNEL_1 ):(((__DECIMAL_NB__) == 2UL) ? ( LL_DAC_CHANNEL_2):(0UL)))
  377. /**
  378. * @brief Helper macro to define the DAC conversion data full-scale digital
  379. * value corresponding to the selected DAC resolution.
  380. * @note DAC conversion data full-scale corresponds to voltage range
  381. * determined by analog voltage references Vref+ and Vref-
  382. * (refer to reference manual).
  383. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  384. * @arg @ref LL_DAC_RESOLUTION_12B
  385. * @arg @ref LL_DAC_RESOLUTION_8B
  386. * @retval ADC conversion data equivalent voltage value (unit: mVolt)
  387. */
  388. #define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  389. ((0x00000FFFUL) >> ((__DAC_RESOLUTION__) << 1UL))
  390. /**
  391. * @brief Helper macro to calculate the DAC conversion data (unit: digital
  392. * value) corresponding to a voltage (unit: mVolt).
  393. * @note This helper macro is intended to provide input data in voltage
  394. * rather than digital value,
  395. * to be used with LL DAC functions such as
  396. * @ref LL_DAC_ConvertData12RightAligned().
  397. * @note Analog reference voltage (Vref+) must be either known from
  398. * user board environment or can be calculated using ADC measurement
  399. * and ADC helper macro __LL_ADC_CALC_VREFANALOG_VOLTAGE().
  400. * @param __VREFANALOG_VOLTAGE__ Analog reference voltage (unit: mV)
  401. * @param __DAC_VOLTAGE__ Voltage to be generated by DAC channel
  402. * (unit: mVolt).
  403. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  404. * @arg @ref LL_DAC_RESOLUTION_12B
  405. * @arg @ref LL_DAC_RESOLUTION_8B
  406. * @retval DAC conversion data (unit: digital value)
  407. */
  408. #define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__,\
  409. __DAC_VOLTAGE__,\
  410. __DAC_RESOLUTION__) \
  411. ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  412. / (__VREFANALOG_VOLTAGE__) \
  413. )
  414. /**
  415. * @}
  416. */
  417. /**
  418. * @}
  419. */
  420. /* Exported functions --------------------------------------------------------*/
  421. /** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
  422. * @{
  423. */
  424. /**
  425. * @brief Set the conversion trigger source for the selected DAC channel.
  426. * @note For conversion trigger source to be effective, DAC trigger
  427. * must be enabled using function @ref LL_DAC_EnableTrigger().
  428. * @note To set conversion trigger source, DAC channel must be disabled.
  429. * Otherwise, the setting is discarded.
  430. * @note Availability of parameters of trigger sources from timer
  431. * depends on timers availability on the selected device.
  432. * @rmtoll CR TSEL1 LL_DAC_SetTriggerSource\n
  433. * CR TSEL2 LL_DAC_SetTriggerSource
  434. * @param DACx DAC instance
  435. * @param DAC_Channel This parameter can be one of the following values:
  436. * @arg @ref LL_DAC_CHANNEL_1
  437. * @arg @ref LL_DAC_CHANNEL_2
  438. * @param TriggerSource This parameter can be one of the following values:
  439. * @arg @ref LL_DAC_TRIG_SOFTWARE
  440. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  441. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
  442. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  443. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  444. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  445. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  446. * @arg @ref LL_DAC_TRIG_EXT_TIM15_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_TIM2_TRGO
  471. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
  472. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  473. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  474. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  475. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  476. * @arg @ref LL_DAC_TRIG_EXT_TIM15_TRGO
  477. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  478. */
  479. __STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  480. {
  481. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  482. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  483. );
  484. }
  485. /**
  486. * @brief Set the waveform automatic generation mode
  487. * for the selected DAC channel.
  488. * @rmtoll CR WAVE1 LL_DAC_SetWaveAutoGeneration\n
  489. * CR WAVE2 LL_DAC_SetWaveAutoGeneration
  490. * @param DACx DAC instance
  491. * @param DAC_Channel This parameter can be one of the following values:
  492. * @arg @ref LL_DAC_CHANNEL_1
  493. * @arg @ref LL_DAC_CHANNEL_2
  494. * @param WaveAutoGeneration This parameter can be one of the following values:
  495. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  496. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  497. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  498. * @retval None
  499. */
  500. __STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
  501. {
  502. MODIFY_REG(DACx->CR,
  503. DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  504. WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  505. }
  506. /**
  507. * @brief Get the waveform automatic generation mode
  508. * for the selected DAC channel.
  509. * @rmtoll CR WAVE1 LL_DAC_GetWaveAutoGeneration\n
  510. * CR WAVE2 LL_DAC_GetWaveAutoGeneration
  511. * @param DACx DAC instance
  512. * @param DAC_Channel This parameter can be one of the following values:
  513. * @arg @ref LL_DAC_CHANNEL_1
  514. * @arg @ref LL_DAC_CHANNEL_2
  515. * @retval Returned value can be one of the following values:
  516. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  517. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  518. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  519. */
  520. __STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  521. {
  522. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  523. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  524. );
  525. }
  526. /**
  527. * @brief Set the noise waveform generation for the selected DAC channel:
  528. * Noise mode and parameters LFSR (linear feedback shift register).
  529. * @note For wave generation to be effective, DAC channel
  530. * wave generation mode must be enabled using
  531. * function @ref LL_DAC_SetWaveAutoGeneration().
  532. * @note This setting can be set when the selected DAC channel is disabled
  533. * (otherwise, the setting operation is ignored).
  534. * @rmtoll CR MAMP1 LL_DAC_SetWaveNoiseLFSR\n
  535. * CR MAMP2 LL_DAC_SetWaveNoiseLFSR
  536. * @param DACx DAC instance
  537. * @param DAC_Channel This parameter can be one of the following values:
  538. * @arg @ref LL_DAC_CHANNEL_1
  539. * @arg @ref LL_DAC_CHANNEL_2
  540. * @param NoiseLFSRMask This parameter can be one of the following values:
  541. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  542. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  543. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  544. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  545. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  546. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  547. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  548. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  549. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  550. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  551. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  552. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  553. * @retval None
  554. */
  555. __STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
  556. {
  557. MODIFY_REG(DACx->CR,
  558. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  559. NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  560. }
  561. /**
  562. * @brief Get the noise waveform generation for the selected DAC channel:
  563. * Noise mode and parameters LFSR (linear feedback shift register).
  564. * @rmtoll CR MAMP1 LL_DAC_GetWaveNoiseLFSR\n
  565. * CR MAMP2 LL_DAC_GetWaveNoiseLFSR
  566. * @param DACx DAC instance
  567. * @param DAC_Channel This parameter can be one of the following values:
  568. * @arg @ref LL_DAC_CHANNEL_1
  569. * @arg @ref LL_DAC_CHANNEL_2
  570. * @retval Returned value can be one of the following values:
  571. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  572. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  573. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  574. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  575. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  576. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  577. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  578. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  579. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  580. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  581. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  582. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  583. */
  584. __STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  585. {
  586. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  587. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  588. );
  589. }
  590. /**
  591. * @brief Set the triangle waveform generation for the selected DAC channel:
  592. * triangle mode and amplitude.
  593. * @note For wave generation to be effective, DAC channel
  594. * wave generation mode must be enabled using
  595. * function @ref LL_DAC_SetWaveAutoGeneration().
  596. * @note This setting can be set when the selected DAC channel is disabled
  597. * (otherwise, the setting operation is ignored).
  598. * @rmtoll CR MAMP1 LL_DAC_SetWaveTriangleAmplitude\n
  599. * CR MAMP2 LL_DAC_SetWaveTriangleAmplitude
  600. * @param DACx DAC instance
  601. * @param DAC_Channel This parameter can be one of the following values:
  602. * @arg @ref LL_DAC_CHANNEL_1
  603. * @arg @ref LL_DAC_CHANNEL_2
  604. * @param TriangleAmplitude This parameter can be one of the following values:
  605. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  606. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  607. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  608. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  609. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  610. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  611. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  612. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  613. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  614. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  615. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  616. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  617. * @retval None
  618. */
  619. __STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel,
  620. uint32_t TriangleAmplitude)
  621. {
  622. MODIFY_REG(DACx->CR,
  623. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  624. TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  625. }
  626. /**
  627. * @brief Get the triangle waveform generation for the selected DAC channel:
  628. * triangle mode and amplitude.
  629. * @rmtoll CR MAMP1 LL_DAC_GetWaveTriangleAmplitude\n
  630. * CR MAMP2 LL_DAC_GetWaveTriangleAmplitude
  631. * @param DACx DAC instance
  632. * @param DAC_Channel This parameter can be one of the following values:
  633. * @arg @ref LL_DAC_CHANNEL_1
  634. * @arg @ref LL_DAC_CHANNEL_2
  635. * @retval Returned value can be one of the following values:
  636. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  637. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  638. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  639. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  640. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  641. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  642. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  643. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  644. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  645. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  646. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  647. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  648. */
  649. __STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  650. {
  651. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  652. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  653. );
  654. }
  655. /**
  656. * @brief Set the output buffer for the selected DAC channel.
  657. * @rmtoll CR BOFF1 LL_DAC_SetOutputBuffer\n
  658. * CR BOFF2 LL_DAC_SetOutputBuffer
  659. * @param DACx DAC instance
  660. * @param DAC_Channel This parameter can be one of the following values:
  661. * @arg @ref LL_DAC_CHANNEL_1
  662. * @arg @ref LL_DAC_CHANNEL_2
  663. * @param OutputBuffer This parameter can be one of the following values:
  664. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  665. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  666. * @retval None
  667. */
  668. __STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
  669. {
  670. MODIFY_REG(DACx->CR,
  671. DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  672. OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  673. }
  674. /**
  675. * @brief Get the output buffer state for the selected DAC channel.
  676. * @rmtoll CR BOFF1 LL_DAC_GetOutputBuffer\n
  677. * CR BOFF2 LL_DAC_GetOutputBuffer
  678. * @param DACx DAC instance
  679. * @param DAC_Channel This parameter can be one of the following values:
  680. * @arg @ref LL_DAC_CHANNEL_1
  681. * @arg @ref LL_DAC_CHANNEL_2
  682. * @retval Returned value can be one of the following values:
  683. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  684. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  685. */
  686. __STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  687. {
  688. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  689. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  690. );
  691. }
  692. /**
  693. * @}
  694. */
  695. /** @defgroup DAC_LL_EF_DMA_Management DMA Management
  696. * @{
  697. */
  698. /**
  699. * @brief Enable DAC DMA transfer request of the selected channel.
  700. * @note To configure DMA source address (peripheral address),
  701. * use function @ref LL_DAC_DMA_GetRegAddr().
  702. * @rmtoll CR DMAEN1 LL_DAC_EnableDMAReq\n
  703. * CR DMAEN2 LL_DAC_EnableDMAReq
  704. * @param DACx DAC instance
  705. * @param DAC_Channel This parameter can be one of the following values:
  706. * @arg @ref LL_DAC_CHANNEL_1
  707. * @arg @ref LL_DAC_CHANNEL_2
  708. * @retval None
  709. */
  710. __STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  711. {
  712. SET_BIT(DACx->CR,
  713. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  714. }
  715. /**
  716. * @brief Disable DAC DMA transfer request of the selected channel.
  717. * @note To configure DMA source address (peripheral address),
  718. * use function @ref LL_DAC_DMA_GetRegAddr().
  719. * @rmtoll CR DMAEN1 LL_DAC_DisableDMAReq\n
  720. * CR DMAEN2 LL_DAC_DisableDMAReq
  721. * @param DACx DAC instance
  722. * @param DAC_Channel This parameter can be one of the following values:
  723. * @arg @ref LL_DAC_CHANNEL_1
  724. * @arg @ref LL_DAC_CHANNEL_2
  725. * @retval None
  726. */
  727. __STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  728. {
  729. CLEAR_BIT(DACx->CR,
  730. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  731. }
  732. /**
  733. * @brief Get DAC DMA transfer request state of the selected channel.
  734. * (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
  735. * @rmtoll CR DMAEN1 LL_DAC_IsDMAReqEnabled\n
  736. * CR DMAEN2 LL_DAC_IsDMAReqEnabled
  737. * @param DACx DAC instance
  738. * @param DAC_Channel This parameter can be one of the following values:
  739. * @arg @ref LL_DAC_CHANNEL_1
  740. * @arg @ref LL_DAC_CHANNEL_2
  741. * @retval State of bit (1 or 0).
  742. */
  743. __STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  744. {
  745. return ((READ_BIT(DACx->CR,
  746. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  747. == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
  748. }
  749. /**
  750. * @brief Function to help to configure DMA transfer to DAC: retrieve the
  751. * DAC register address from DAC instance and a list of DAC registers
  752. * intended to be used (most commonly) with DMA transfer.
  753. * @note These DAC registers are data holding registers:
  754. * when DAC conversion is requested, DAC generates a DMA transfer
  755. * request to have data available in DAC data holding registers.
  756. * @note This macro is intended to be used with LL DMA driver, refer to
  757. * function "LL_DMA_ConfigAddresses()".
  758. * Example:
  759. * LL_DMA_ConfigAddresses(DMA1,
  760. * LL_DMA_CHANNEL_1,
  761. * (uint32_t)&< array or variable >,
  762. * LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1,
  763. * LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
  764. * LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
  765. * @rmtoll DHR12R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  766. * DHR12L1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  767. * DHR8R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  768. * DHR12R2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  769. * DHR12L2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  770. * DHR8R2 DACC2DHR LL_DAC_DMA_GetRegAddr
  771. * @param DACx DAC instance
  772. * @param DAC_Channel This parameter can be one of the following values:
  773. * @arg @ref LL_DAC_CHANNEL_1
  774. * @arg @ref LL_DAC_CHANNEL_2
  775. * @param Register This parameter can be one of the following values:
  776. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
  777. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
  778. * @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
  779. * @retval DAC register address
  780. */
  781. __STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
  782. {
  783. /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on */
  784. /* DAC channel selected. */
  785. return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, ((DAC_Channel >> (Register & 0x1FUL))
  786. & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0))));
  787. }
  788. /**
  789. * @}
  790. */
  791. /** @defgroup DAC_LL_EF_Operation Operation on DAC channels
  792. * @{
  793. */
  794. /**
  795. * @brief Enable DAC selected channel.
  796. * @rmtoll CR EN1 LL_DAC_Enable\n
  797. * CR EN2 LL_DAC_Enable
  798. * @note After enable from off state, DAC channel requires a delay
  799. * for output voltage to reach accuracy +/- 1 LSB.
  800. * Refer to device datasheet, parameter "tWAKEUP".
  801. * @param DACx DAC instance
  802. * @param DAC_Channel This parameter can be one of the following values:
  803. * @arg @ref LL_DAC_CHANNEL_1
  804. * @arg @ref LL_DAC_CHANNEL_2
  805. * @retval None
  806. */
  807. __STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  808. {
  809. SET_BIT(DACx->CR,
  810. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  811. }
  812. /**
  813. * @brief Disable DAC selected channel.
  814. * @rmtoll CR EN1 LL_DAC_Disable\n
  815. * CR EN2 LL_DAC_Disable
  816. * @param DACx DAC instance
  817. * @param DAC_Channel This parameter can be one of the following values:
  818. * @arg @ref LL_DAC_CHANNEL_1
  819. * @arg @ref LL_DAC_CHANNEL_2
  820. * @retval None
  821. */
  822. __STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  823. {
  824. CLEAR_BIT(DACx->CR,
  825. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  826. }
  827. /**
  828. * @brief Get DAC enable state of the selected channel.
  829. * (0: DAC channel is disabled, 1: DAC channel is enabled)
  830. * @rmtoll CR EN1 LL_DAC_IsEnabled\n
  831. * CR EN2 LL_DAC_IsEnabled
  832. * @param DACx DAC instance
  833. * @param DAC_Channel This parameter can be one of the following values:
  834. * @arg @ref LL_DAC_CHANNEL_1
  835. * @arg @ref LL_DAC_CHANNEL_2
  836. * @retval State of bit (1 or 0).
  837. */
  838. __STATIC_INLINE uint32_t LL_DAC_IsEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  839. {
  840. return ((READ_BIT(DACx->CR,
  841. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  842. == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
  843. }
  844. /**
  845. * @brief Enable DAC trigger of the selected channel.
  846. * @note - If DAC trigger is disabled, DAC conversion is performed
  847. * automatically once the data holding register is updated,
  848. * using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  849. * @ref LL_DAC_ConvertData12RightAligned(), ...
  850. * - If DAC trigger is enabled, DAC conversion is performed
  851. * only when a hardware of software trigger event is occurring.
  852. * Select trigger source using
  853. * function @ref LL_DAC_SetTriggerSource().
  854. * @rmtoll CR TEN1 LL_DAC_EnableTrigger\n
  855. * CR TEN2 LL_DAC_EnableTrigger
  856. * @param DACx DAC instance
  857. * @param DAC_Channel This parameter can be one of the following values:
  858. * @arg @ref LL_DAC_CHANNEL_1
  859. * @arg @ref LL_DAC_CHANNEL_2
  860. * @retval None
  861. */
  862. __STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  863. {
  864. SET_BIT(DACx->CR,
  865. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  866. }
  867. /**
  868. * @brief Disable DAC trigger of the selected channel.
  869. * @rmtoll CR TEN1 LL_DAC_DisableTrigger\n
  870. * CR TEN2 LL_DAC_DisableTrigger
  871. * @param DACx DAC instance
  872. * @param DAC_Channel This parameter can be one of the following values:
  873. * @arg @ref LL_DAC_CHANNEL_1
  874. * @arg @ref LL_DAC_CHANNEL_2
  875. * @retval None
  876. */
  877. __STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  878. {
  879. CLEAR_BIT(DACx->CR,
  880. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  881. }
  882. /**
  883. * @brief Get DAC trigger state of the selected channel.
  884. * (0: DAC trigger is disabled, 1: DAC trigger is enabled)
  885. * @rmtoll CR TEN1 LL_DAC_IsTriggerEnabled\n
  886. * CR TEN2 LL_DAC_IsTriggerEnabled
  887. * @param DACx DAC instance
  888. * @param DAC_Channel This parameter can be one of the following values:
  889. * @arg @ref LL_DAC_CHANNEL_1
  890. * @arg @ref LL_DAC_CHANNEL_2
  891. * @retval State of bit (1 or 0).
  892. */
  893. __STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  894. {
  895. return ((READ_BIT(DACx->CR,
  896. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  897. == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
  898. }
  899. /**
  900. * @brief Trig DAC conversion by software for the selected DAC channel.
  901. * @note Preliminarily, DAC trigger must be set to software trigger
  902. * using function
  903. * @ref LL_DAC_Init()
  904. * @ref LL_DAC_SetTriggerSource()
  905. * with parameter "LL_DAC_TRIGGER_SOFTWARE".
  906. * and DAC trigger must be enabled using
  907. * function @ref LL_DAC_EnableTrigger().
  908. * @note For devices featuring DAC with 2 channels: this function
  909. * can perform a SW start of both DAC channels simultaneously.
  910. * Two channels can be selected as parameter.
  911. * Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
  912. * @rmtoll SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion\n
  913. * SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
  914. * @param DACx DAC instance
  915. * @param DAC_Channel This parameter can a combination of the following values:
  916. * @arg @ref LL_DAC_CHANNEL_1
  917. * @arg @ref LL_DAC_CHANNEL_2
  918. * @retval None
  919. */
  920. __STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  921. {
  922. SET_BIT(DACx->SWTRIGR,
  923. (DAC_Channel & DAC_SWTR_CHX_MASK));
  924. }
  925. /**
  926. * @brief Set the data to be loaded in the data holding register
  927. * in format 12 bits left alignment (LSB aligned on bit 0),
  928. * for the selected DAC channel.
  929. * @rmtoll DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned\n
  930. * DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned
  931. * @param DACx DAC instance
  932. * @param DAC_Channel This parameter can be one of the following values:
  933. * @arg @ref LL_DAC_CHANNEL_1
  934. * @arg @ref LL_DAC_CHANNEL_2
  935. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  936. * @retval None
  937. */
  938. __STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  939. {
  940. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS)
  941. & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
  942. MODIFY_REG(*preg, DAC_DHR12R1_DACC1DHR, Data);
  943. }
  944. /**
  945. * @brief Set the data to be loaded in the data holding register
  946. * in format 12 bits left alignment (MSB aligned on bit 15),
  947. * for the selected DAC channel.
  948. * @rmtoll DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned\n
  949. * DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned
  950. * @param DACx DAC instance
  951. * @param DAC_Channel This parameter can be one of the following values:
  952. * @arg @ref LL_DAC_CHANNEL_1
  953. * @arg @ref LL_DAC_CHANNEL_2
  954. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  955. * @retval None
  956. */
  957. __STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  958. {
  959. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS)
  960. & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
  961. MODIFY_REG(*preg, DAC_DHR12L1_DACC1DHR, Data);
  962. }
  963. /**
  964. * @brief Set the data to be loaded in the data holding register
  965. * in format 8 bits left alignment (LSB aligned on bit 0),
  966. * for the selected DAC channel.
  967. * @rmtoll DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned\n
  968. * DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned
  969. * @param DACx DAC instance
  970. * @param DAC_Channel This parameter can be one of the following values:
  971. * @arg @ref LL_DAC_CHANNEL_1
  972. * @arg @ref LL_DAC_CHANNEL_2
  973. * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
  974. * @retval None
  975. */
  976. __STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  977. {
  978. __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS)
  979. & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
  980. MODIFY_REG(*preg, DAC_DHR8R1_DACC1DHR, Data);
  981. }
  982. /**
  983. * @brief Set the data to be loaded in the data holding register
  984. * in format 12 bits left alignment (LSB aligned on bit 0),
  985. * for both DAC channels.
  986. * @rmtoll DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned\n
  987. * DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned
  988. * @param DACx DAC instance
  989. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  990. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  991. * @retval None
  992. */
  993. __STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
  994. uint32_t DataChannel2)
  995. {
  996. MODIFY_REG(DACx->DHR12RD,
  997. (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
  998. ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  999. }
  1000. /**
  1001. * @brief Set the data to be loaded in the data holding register
  1002. * in format 12 bits left alignment (MSB aligned on bit 15),
  1003. * for both DAC channels.
  1004. * @rmtoll DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned\n
  1005. * DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned
  1006. * @param DACx DAC instance
  1007. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1008. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1009. * @retval None
  1010. */
  1011. __STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
  1012. uint32_t DataChannel2)
  1013. {
  1014. /* Note: Data of DAC channel 2 shift value subtracted of 4 because */
  1015. /* data on 16 bits and DAC channel 2 bits field is on the 12 MSB, */
  1016. /* the 4 LSB must be taken into account for the shift value. */
  1017. MODIFY_REG(DACx->DHR12LD,
  1018. (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
  1019. ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
  1020. }
  1021. /**
  1022. * @brief Set the data to be loaded in the data holding register
  1023. * in format 8 bits left alignment (LSB aligned on bit 0),
  1024. * for both DAC channels.
  1025. * @rmtoll DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned\n
  1026. * DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned
  1027. * @param DACx DAC instance
  1028. * @param DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
  1029. * @param DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
  1030. * @retval None
  1031. */
  1032. __STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
  1033. uint32_t DataChannel2)
  1034. {
  1035. MODIFY_REG(DACx->DHR8RD,
  1036. (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
  1037. ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1038. }
  1039. /**
  1040. * @brief Retrieve output data currently generated for the selected DAC channel.
  1041. * @note Whatever alignment and resolution settings
  1042. * (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  1043. * @ref LL_DAC_ConvertData12RightAligned(), ...),
  1044. * output data format is 12 bits right aligned (LSB aligned on bit 0).
  1045. * @rmtoll DOR1 DACC1DOR LL_DAC_RetrieveOutputData\n
  1046. * DOR2 DACC2DOR LL_DAC_RetrieveOutputData
  1047. * @param DACx DAC instance
  1048. * @param DAC_Channel This parameter can be one of the following values:
  1049. * @arg @ref LL_DAC_CHANNEL_1
  1050. * @arg @ref LL_DAC_CHANNEL_2
  1051. * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
  1052. */
  1053. __STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1054. {
  1055. __IO uint32_t const *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, (DAC_Channel >> DAC_REG_DORX_REGOFFSET_BITOFFSET_POS)
  1056. & DAC_REG_DORX_REGOFFSET_MASK_POSBIT0);
  1057. return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
  1058. }
  1059. /**
  1060. * @}
  1061. */
  1062. /** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
  1063. * @{
  1064. */
  1065. #if defined(DAC_SR_DMAUDR1)
  1066. /**
  1067. * @brief Get DAC underrun flag for DAC channel 1
  1068. * @rmtoll SR DMAUDR1 LL_DAC_IsActiveFlag_DMAUDR1
  1069. * @param DACx DAC instance
  1070. * @retval State of bit (1 or 0).
  1071. */
  1072. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(DAC_TypeDef *DACx)
  1073. {
  1074. return ((READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1)) ? 1UL : 0UL);
  1075. }
  1076. #endif /* DAC_SR_DMAUDR1 */
  1077. #if defined(DAC_SR_DMAUDR2)
  1078. /**
  1079. * @brief Get DAC underrun flag for DAC channel 2
  1080. * @rmtoll SR DMAUDR2 LL_DAC_IsActiveFlag_DMAUDR2
  1081. * @param DACx DAC instance
  1082. * @retval State of bit (1 or 0).
  1083. */
  1084. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(DAC_TypeDef *DACx)
  1085. {
  1086. return ((READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2)) ? 1UL : 0UL);
  1087. }
  1088. #endif /* DAC_SR_DMAUDR2 */
  1089. #if defined(DAC_SR_DMAUDR1)
  1090. /**
  1091. * @brief Clear DAC underrun flag for DAC channel 1
  1092. * @rmtoll SR DMAUDR1 LL_DAC_ClearFlag_DMAUDR1
  1093. * @param DACx DAC instance
  1094. * @retval None
  1095. */
  1096. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
  1097. {
  1098. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
  1099. }
  1100. #endif /* DAC_SR_DMAUDR1 */
  1101. #if defined(DAC_SR_DMAUDR2)
  1102. /**
  1103. * @brief Clear DAC underrun flag for DAC channel 2
  1104. * @rmtoll SR DMAUDR2 LL_DAC_ClearFlag_DMAUDR2
  1105. * @param DACx DAC instance
  1106. * @retval None
  1107. */
  1108. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
  1109. {
  1110. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
  1111. }
  1112. #endif /* DAC_SR_DMAUDR2 */
  1113. /**
  1114. * @}
  1115. */
  1116. /** @defgroup DAC_LL_EF_IT_Management IT management
  1117. * @{
  1118. */
  1119. #if defined(DAC_CR_DMAUDRIE1)
  1120. /**
  1121. * @brief Enable DMA underrun interrupt for DAC channel 1
  1122. * @rmtoll CR DMAUDRIE1 LL_DAC_EnableIT_DMAUDR1
  1123. * @param DACx DAC instance
  1124. * @retval None
  1125. */
  1126. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
  1127. {
  1128. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1129. }
  1130. #endif /* DAC_CR_DMAUDRIE1 */
  1131. #if defined(DAC_CR_DMAUDRIE2)
  1132. /**
  1133. * @brief Enable DMA underrun interrupt for DAC channel 2
  1134. * @rmtoll CR DMAUDRIE2 LL_DAC_EnableIT_DMAUDR2
  1135. * @param DACx DAC instance
  1136. * @retval None
  1137. */
  1138. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
  1139. {
  1140. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1141. }
  1142. #endif /* DAC_CR_DMAUDRIE2 */
  1143. #if defined(DAC_CR_DMAUDRIE1)
  1144. /**
  1145. * @brief Disable DMA underrun interrupt for DAC channel 1
  1146. * @rmtoll CR DMAUDRIE1 LL_DAC_DisableIT_DMAUDR1
  1147. * @param DACx DAC instance
  1148. * @retval None
  1149. */
  1150. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
  1151. {
  1152. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1153. }
  1154. #endif /* DAC_CR_DMAUDRIE1 */
  1155. #if defined(DAC_CR_DMAUDRIE2)
  1156. /**
  1157. * @brief Disable DMA underrun interrupt for DAC channel 2
  1158. * @rmtoll CR DMAUDRIE2 LL_DAC_DisableIT_DMAUDR2
  1159. * @param DACx DAC instance
  1160. * @retval None
  1161. */
  1162. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
  1163. {
  1164. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1165. }
  1166. #endif /* DAC_CR_DMAUDRIE2 */
  1167. #if defined(DAC_CR_DMAUDRIE1)
  1168. /**
  1169. * @brief Get DMA underrun interrupt for DAC channel 1
  1170. * @rmtoll CR DMAUDRIE1 LL_DAC_IsEnabledIT_DMAUDR1
  1171. * @param DACx DAC instance
  1172. * @retval State of bit (1 or 0).
  1173. */
  1174. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(DAC_TypeDef *DACx)
  1175. {
  1176. return ((READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1)) ? 1UL : 0UL);
  1177. }
  1178. #endif /* DAC_CR_DMAUDRIE1 */
  1179. #if defined(DAC_CR_DMAUDRIE2)
  1180. /**
  1181. * @brief Get DMA underrun interrupt for DAC channel 2
  1182. * @rmtoll CR DMAUDRIE2 LL_DAC_IsEnabledIT_DMAUDR2
  1183. * @param DACx DAC instance
  1184. * @retval State of bit (1 or 0).
  1185. */
  1186. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(DAC_TypeDef *DACx)
  1187. {
  1188. return ((READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2)) ? 1UL : 0UL);
  1189. }
  1190. #endif /* DAC_CR_DMAUDRIE2 */
  1191. /**
  1192. * @}
  1193. */
  1194. #if defined(USE_FULL_LL_DRIVER)
  1195. /** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
  1196. * @{
  1197. */
  1198. ErrorStatus LL_DAC_DeInit(DAC_TypeDef *DACx);
  1199. ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef *DAC_InitStruct);
  1200. void LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct);
  1201. /**
  1202. * @}
  1203. */
  1204. #endif /* USE_FULL_LL_DRIVER */
  1205. /**
  1206. * @}
  1207. */
  1208. /**
  1209. * @}
  1210. */
  1211. #endif /* DAC */
  1212. /**
  1213. * @}
  1214. */
  1215. #ifdef __cplusplus
  1216. }
  1217. #endif
  1218. #endif /* STM32F1xx_LL_DAC_H */
  1219. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/