stm32f1xx_ll_dac.h 62 KB

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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</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 __STM32F1xx_LL_DAC_H
  37. #define __STM32F1xx_LL_DAC_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32f1xx.h"
  43. /** @addtogroup STM32F1xx_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. #if defined(DAC_SR_DMAUDR1)
  156. #define LL_DAC_FLAG_DMAUDR1 (DAC_SR_DMAUDR1) /*!< DAC channel 1 flag DMA underrun */
  157. #endif /* DAC_SR_DMAUDR1 */
  158. /* DAC channel 2 flags */
  159. #if defined(DAC_SR_DMAUDR2)
  160. #define LL_DAC_FLAG_DMAUDR2 (DAC_SR_DMAUDR2) /*!< DAC channel 2 flag DMA underrun */
  161. #endif /* DAC_SR_DMAUDR2 */
  162. /**
  163. * @}
  164. */
  165. /** @defgroup DAC_LL_EC_IT DAC interruptions
  166. * @brief IT defines which can be used with LL_DAC_ReadReg and LL_DAC_WriteReg functions
  167. * @{
  168. */
  169. #if defined(DAC_CR_DMAUDRIE1)
  170. #define LL_DAC_IT_DMAUDRIE1 (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
  171. #endif /* DAC_CR_DMAUDRIE1 */
  172. #if defined(DAC_CR_DMAUDRIE2)
  173. #define LL_DAC_IT_DMAUDRIE2 (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
  174. #endif /* DAC_CR_DMAUDRIE2 */
  175. /**
  176. * @}
  177. */
  178. /** @defgroup DAC_LL_EC_CHANNEL DAC channels
  179. * @{
  180. */
  181. #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 */
  182. #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 */
  183. /**
  184. * @}
  185. */
  186. /** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
  187. * @{
  188. */
  189. #define LL_DAC_TRIG_SOFTWARE (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
  190. #define LL_DAC_TRIG_EXT_TIM3_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM3 TRGO. */
  191. #define LL_DAC_TRIG_EXT_TIM15_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM15 TRGO. */
  192. #define LL_DAC_TRIG_EXT_TIM2_TRGO (DAC_CR_TSEL1_2 ) /*!< DAC channel conversion trigger from external IP: TIM2 TRGO. */
  193. #define LL_DAC_TRIG_EXT_TIM8_TRGO ( DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM8 TRGO. */
  194. #define LL_DAC_TRIG_EXT_TIM4_TRGO (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM4 TRGO. */
  195. #define LL_DAC_TRIG_EXT_TIM6_TRGO 0x00000000U /*!< DAC channel conversion trigger from external IP: TIM6 TRGO. */
  196. #define LL_DAC_TRIG_EXT_TIM7_TRGO ( DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: TIM7 TRGO. */
  197. #define LL_DAC_TRIG_EXT_TIM5_TRGO ( DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external IP: TIM5 TRGO. */
  198. #define LL_DAC_TRIG_EXT_EXTI_LINE9 (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 ) /*!< DAC channel conversion trigger from external IP: external interrupt line 9. */
  199. /**
  200. * @}
  201. */
  202. /** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
  203. * @{
  204. */
  205. #define LL_DAC_WAVE_AUTO_GENERATION_NONE 0x00000000U /*!< DAC channel wave auto generation mode disabled. */
  206. #define LL_DAC_WAVE_AUTO_GENERATION_NOISE (DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
  207. #define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
  208. /**
  209. * @}
  210. */
  211. /** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
  212. * @{
  213. */
  214. #define LL_DAC_NOISE_LFSR_UNMASK_BIT0 0x00000000U /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
  215. #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 */
  216. #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 */
  217. #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 */
  218. #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 */
  219. #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 */
  220. #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 */
  221. #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 */
  222. #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 */
  223. #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 */
  224. #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 */
  225. #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 */
  226. /**
  227. * @}
  228. */
  229. /** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
  230. * @{
  231. */
  232. #define LL_DAC_TRIANGLE_AMPLITUDE_1 0x00000000U /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
  233. #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 */
  234. #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 */
  235. #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 */
  236. #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 */
  237. #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 */
  238. #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 */
  239. #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 */
  240. #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 */
  241. #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 */
  242. #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 */
  243. #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 */
  244. /**
  245. * @}
  246. */
  247. /** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
  248. * @{
  249. */
  250. #define LL_DAC_OUTPUT_BUFFER_ENABLE 0x00000000U /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
  251. #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 */
  252. /**
  253. * @}
  254. */
  255. /** @defgroup DAC_LL_EC_RESOLUTION DAC channel output resolution
  256. * @{
  257. */
  258. #define LL_DAC_RESOLUTION_12B 0x00000000U /*!< DAC channel resolution 12 bits */
  259. #define LL_DAC_RESOLUTION_8B 0x00000002U /*!< DAC channel resolution 8 bits */
  260. /**
  261. * @}
  262. */
  263. /** @defgroup DAC_LL_EC_REGISTERS DAC registers compliant with specific purpose
  264. * @{
  265. */
  266. /* List of DAC registers intended to be used (most commonly) with */
  267. /* DMA transfer. */
  268. /* Refer to function @ref LL_DAC_DMA_GetRegAddr(). */
  269. #define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED DAC_REG_DHR12RX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits right aligned */
  270. #define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED DAC_REG_DHR12LX_REGOFFSET_MASK /*!< DAC channel data holding register 12 bits left aligned */
  271. #define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED DAC_REG_DHR8RX_REGOFFSET_MASK /*!< DAC channel data holding register 8 bits right aligned */
  272. /**
  273. * @}
  274. */
  275. /** @defgroup DAC_LL_EC_HW_DELAYS Definitions of DAC hardware constraints delays
  276. * @note Only DAC IP HW delays are defined in DAC LL driver driver,
  277. * not timeout values.
  278. * For details on delays values, refer to descriptions in source code
  279. * above each literal definition.
  280. * @{
  281. */
  282. /* Delay for DAC channel voltage settling time from DAC channel startup */
  283. /* (transition from disable to enable). */
  284. /* Note: DAC channel startup time depends on board application environment: */
  285. /* impedance connected to DAC channel output. */
  286. /* The delay below is specified under conditions: */
  287. /* - voltage maximum transition (lowest to highest value) */
  288. /* - until voltage reaches final value +-1LSB */
  289. /* - DAC channel output buffer enabled */
  290. /* - load impedance of 5kOhm (min), 50pF (max) */
  291. /* Literal set to maximum value (refer to device datasheet, */
  292. /* parameter "tWAKEUP"). */
  293. /* Unit: us */
  294. #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) */
  295. /* Delay for DAC channel voltage settling time. */
  296. /* Note: DAC channel startup time depends on board application environment: */
  297. /* impedance connected to DAC channel output. */
  298. /* The delay below is specified under conditions: */
  299. /* - voltage maximum transition (lowest to highest value) */
  300. /* - until voltage reaches final value +-1LSB */
  301. /* - DAC channel output buffer enabled */
  302. /* - load impedance of 5kOhm min, 50pF max */
  303. /* Literal set to maximum value (refer to device datasheet, */
  304. /* parameter "tSETTLING"). */
  305. /* Unit: us */
  306. #define LL_DAC_DELAY_VOLTAGE_SETTLING_US 12U /*!< Delay for DAC channel voltage settling time */
  307. /**
  308. * @}
  309. */
  310. /**
  311. * @}
  312. */
  313. /* Exported macro ------------------------------------------------------------*/
  314. /** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
  315. * @{
  316. */
  317. /** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
  318. * @{
  319. */
  320. /**
  321. * @brief Write a value in DAC register
  322. * @param __INSTANCE__ DAC Instance
  323. * @param __REG__ Register to be written
  324. * @param __VALUE__ Value to be written in the register
  325. * @retval None
  326. */
  327. #define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
  328. /**
  329. * @brief Read a value in DAC register
  330. * @param __INSTANCE__ DAC Instance
  331. * @param __REG__ Register to be read
  332. * @retval Register value
  333. */
  334. #define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
  335. /**
  336. * @}
  337. */
  338. /** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
  339. * @{
  340. */
  341. /**
  342. * @brief Helper macro to get DAC channel number in decimal format
  343. * from literals LL_DAC_CHANNEL_x.
  344. * Example:
  345. * __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
  346. * will return decimal number "1".
  347. * @note The input can be a value from functions where a channel
  348. * number is returned.
  349. * @param __CHANNEL__ This parameter can be one of the following values:
  350. * @arg @ref LL_DAC_CHANNEL_1
  351. * @arg @ref LL_DAC_CHANNEL_2
  352. * @retval 1...2
  353. */
  354. #define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__) \
  355. ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
  356. /**
  357. * @brief Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
  358. * from number in decimal format.
  359. * Example:
  360. * __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
  361. * will return a data equivalent to "LL_DAC_CHANNEL_1".
  362. * @note If the input parameter does not correspond to a DAC channel,
  363. * this macro returns value '0'.
  364. * @param __DECIMAL_NB__ 1...2
  365. * @retval Returned value can be one of the following values:
  366. * @arg @ref LL_DAC_CHANNEL_1
  367. * @arg @ref LL_DAC_CHANNEL_2
  368. */
  369. #define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__) \
  370. (((__DECIMAL_NB__) == 1U) \
  371. ? ( \
  372. LL_DAC_CHANNEL_1 \
  373. ) \
  374. : \
  375. (((__DECIMAL_NB__) == 2U) \
  376. ? ( \
  377. LL_DAC_CHANNEL_2 \
  378. ) \
  379. : \
  380. ( \
  381. 0 \
  382. ) \
  383. ) \
  384. )
  385. /**
  386. * @brief Helper macro to define the DAC conversion data full-scale digital
  387. * value corresponding to the selected DAC resolution.
  388. * @note DAC conversion data full-scale corresponds to voltage range
  389. * determined by analog voltage references Vref+ and Vref-
  390. * (refer to reference manual).
  391. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  392. * @arg @ref LL_DAC_RESOLUTION_12B
  393. * @arg @ref LL_DAC_RESOLUTION_8B
  394. * @retval ADC conversion data equivalent voltage value (unit: mVolt)
  395. */
  396. #define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  397. ((0x00000FFFU) >> ((__DAC_RESOLUTION__) << 1U))
  398. /**
  399. * @brief Helper macro to calculate the DAC conversion data (unit: digital
  400. * value) corresponding to a voltage (unit: mVolt).
  401. * @note This helper macro is intended to provide input data in voltage
  402. * rather than digital value,
  403. * to be used with LL DAC functions such as
  404. * @ref LL_DAC_ConvertData12RightAligned().
  405. * @note Analog reference voltage (Vref+) must be either known from
  406. * user board environment or can be calculated using ADC measurement
  407. * and ADC helper macro @ref __LL_ADC_CALC_VREFANALOG_VOLTAGE().
  408. * @param __VREFANALOG_VOLTAGE__ Analog reference voltage (unit: mV)
  409. * @param __DAC_VOLTAGE__ Voltage to be generated by DAC channel
  410. * (unit: mVolt).
  411. * @param __DAC_RESOLUTION__ This parameter can be one of the following values:
  412. * @arg @ref LL_DAC_RESOLUTION_12B
  413. * @arg @ref LL_DAC_RESOLUTION_8B
  414. * @retval DAC conversion data (unit: digital value)
  415. */
  416. #define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__,\
  417. __DAC_VOLTAGE__,\
  418. __DAC_RESOLUTION__) \
  419. ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__) \
  420. / (__VREFANALOG_VOLTAGE__) \
  421. )
  422. /**
  423. * @}
  424. */
  425. /**
  426. * @}
  427. */
  428. /* Exported functions --------------------------------------------------------*/
  429. /** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
  430. * @{
  431. */
  432. /** @defgroup DAC_LL_EF_Configuration Configuration of DAC channels
  433. * @{
  434. */
  435. /**
  436. * @brief Set the conversion trigger source for the selected DAC channel.
  437. * @note For conversion trigger source to be effective, DAC trigger
  438. * must be enabled using function @ref LL_DAC_EnableTrigger().
  439. * @note To set conversion trigger source, DAC channel must be disabled.
  440. * Otherwise, the setting is discarded.
  441. * @note Availability of parameters of trigger sources from timer
  442. * depends on timers availability on the selected device.
  443. * @rmtoll CR TSEL1 LL_DAC_SetTriggerSource\n
  444. * CR TSEL2 LL_DAC_SetTriggerSource
  445. * @param DACx DAC instance
  446. * @param DAC_Channel This parameter can be one of the following values:
  447. * @arg @ref LL_DAC_CHANNEL_1
  448. * @arg @ref LL_DAC_CHANNEL_2
  449. * @param TriggerSource This parameter can be one of the following values:
  450. * @arg @ref LL_DAC_TRIG_SOFTWARE
  451. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
  452. * @arg @ref LL_DAC_TRIG_EXT_TIM15_TRGO
  453. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO
  454. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  455. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  456. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  457. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  458. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  459. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  460. * @retval None
  461. */
  462. __STATIC_INLINE void LL_DAC_SetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriggerSource)
  463. {
  464. MODIFY_REG(DACx->CR,
  465. DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  466. TriggerSource << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  467. }
  468. /**
  469. * @brief Get the conversion trigger source for the selected DAC channel.
  470. * @note For conversion trigger source to be effective, DAC trigger
  471. * must be enabled using function @ref LL_DAC_EnableTrigger().
  472. * @note Availability of parameters of trigger sources from timer
  473. * depends on timers availability on the selected device.
  474. * @rmtoll CR TSEL1 LL_DAC_GetTriggerSource\n
  475. * CR TSEL2 LL_DAC_GetTriggerSource
  476. * @param DACx DAC instance
  477. * @param DAC_Channel This parameter can be one of the following values:
  478. * @arg @ref LL_DAC_CHANNEL_1
  479. * @arg @ref LL_DAC_CHANNEL_2
  480. * @retval Returned value can be one of the following values:
  481. * @arg @ref LL_DAC_TRIG_SOFTWARE
  482. * @arg @ref LL_DAC_TRIG_EXT_TIM3_TRGO
  483. * @arg @ref LL_DAC_TRIG_EXT_TIM15_TRGO
  484. * @arg @ref LL_DAC_TRIG_EXT_TIM8_TRGO
  485. * @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
  486. * @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
  487. * @arg @ref LL_DAC_TRIG_EXT_TIM5_TRGO
  488. * @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
  489. * @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
  490. * @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
  491. */
  492. __STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  493. {
  494. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  495. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  496. );
  497. }
  498. /**
  499. * @brief Set the waveform automatic generation mode
  500. * for the selected DAC channel.
  501. * @rmtoll CR WAVE1 LL_DAC_SetWaveAutoGeneration\n
  502. * CR WAVE2 LL_DAC_SetWaveAutoGeneration
  503. * @param DACx DAC instance
  504. * @param DAC_Channel This parameter can be one of the following values:
  505. * @arg @ref LL_DAC_CHANNEL_1
  506. * @arg @ref LL_DAC_CHANNEL_2
  507. * @param WaveAutoGeneration This parameter can be one of the following values:
  508. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  509. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  510. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  511. * @retval None
  512. */
  513. __STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
  514. {
  515. MODIFY_REG(DACx->CR,
  516. DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  517. WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  518. }
  519. /**
  520. * @brief Get the waveform automatic generation mode
  521. * for the selected DAC channel.
  522. * @rmtoll CR WAVE1 LL_DAC_GetWaveAutoGeneration\n
  523. * CR WAVE2 LL_DAC_GetWaveAutoGeneration
  524. * @param DACx DAC instance
  525. * @param DAC_Channel This parameter can be one of the following values:
  526. * @arg @ref LL_DAC_CHANNEL_1
  527. * @arg @ref LL_DAC_CHANNEL_2
  528. * @retval Returned value can be one of the following values:
  529. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
  530. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
  531. * @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
  532. */
  533. __STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  534. {
  535. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  536. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  537. );
  538. }
  539. /**
  540. * @brief Set the noise waveform generation for the selected DAC channel:
  541. * Noise mode and parameters LFSR (linear feedback shift register).
  542. * @note For wave generation to be effective, DAC channel
  543. * wave generation mode must be enabled using
  544. * function @ref LL_DAC_SetWaveAutoGeneration().
  545. * @note This setting can be set when the selected DAC channel is disabled
  546. * (otherwise, the setting operation is ignored).
  547. * @rmtoll CR MAMP1 LL_DAC_SetWaveNoiseLFSR\n
  548. * CR MAMP2 LL_DAC_SetWaveNoiseLFSR
  549. * @param DACx DAC instance
  550. * @param DAC_Channel This parameter can be one of the following values:
  551. * @arg @ref LL_DAC_CHANNEL_1
  552. * @arg @ref LL_DAC_CHANNEL_2
  553. * @param NoiseLFSRMask This parameter can be one of the following values:
  554. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  555. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  556. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  557. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  558. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  559. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  560. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  561. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  562. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  563. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  564. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  565. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  566. * @retval None
  567. */
  568. __STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
  569. {
  570. MODIFY_REG(DACx->CR,
  571. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  572. NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  573. }
  574. /**
  575. * @brief Set the noise waveform generation for the selected DAC channel:
  576. * Noise mode and parameters LFSR (linear feedback shift register).
  577. * @rmtoll CR MAMP1 LL_DAC_GetWaveNoiseLFSR\n
  578. * CR MAMP2 LL_DAC_GetWaveNoiseLFSR
  579. * @param DACx DAC instance
  580. * @param DAC_Channel This parameter can be one of the following values:
  581. * @arg @ref LL_DAC_CHANNEL_1
  582. * @arg @ref LL_DAC_CHANNEL_2
  583. * @retval Returned value can be one of the following values:
  584. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
  585. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
  586. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
  587. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
  588. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
  589. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
  590. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
  591. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
  592. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
  593. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
  594. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
  595. * @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
  596. */
  597. __STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  598. {
  599. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  600. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  601. );
  602. }
  603. /**
  604. * @brief Set the triangle waveform generation for the selected DAC channel:
  605. * triangle mode and amplitude.
  606. * @note For wave generation to be effective, DAC channel
  607. * wave generation mode must be enabled using
  608. * function @ref LL_DAC_SetWaveAutoGeneration().
  609. * @note This setting can be set when the selected DAC channel is disabled
  610. * (otherwise, the setting operation is ignored).
  611. * @rmtoll CR MAMP1 LL_DAC_SetWaveTriangleAmplitude\n
  612. * CR MAMP2 LL_DAC_SetWaveTriangleAmplitude
  613. * @param DACx DAC instance
  614. * @param DAC_Channel This parameter can be one of the following values:
  615. * @arg @ref LL_DAC_CHANNEL_1
  616. * @arg @ref LL_DAC_CHANNEL_2
  617. * @param TriangleAmplitude This parameter can be one of the following values:
  618. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  619. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  620. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  621. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  622. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  623. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  624. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  625. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  626. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  627. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  628. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  629. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  630. * @retval None
  631. */
  632. __STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriangleAmplitude)
  633. {
  634. MODIFY_REG(DACx->CR,
  635. DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  636. TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  637. }
  638. /**
  639. * @brief Set the triangle waveform generation for the selected DAC channel:
  640. * triangle mode and amplitude.
  641. * @rmtoll CR MAMP1 LL_DAC_GetWaveTriangleAmplitude\n
  642. * CR MAMP2 LL_DAC_GetWaveTriangleAmplitude
  643. * @param DACx DAC instance
  644. * @param DAC_Channel This parameter can be one of the following values:
  645. * @arg @ref LL_DAC_CHANNEL_1
  646. * @arg @ref LL_DAC_CHANNEL_2
  647. * @retval Returned value can be one of the following values:
  648. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
  649. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
  650. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
  651. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
  652. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
  653. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
  654. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
  655. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
  656. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
  657. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
  658. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
  659. * @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
  660. */
  661. __STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  662. {
  663. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  664. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  665. );
  666. }
  667. /**
  668. * @brief Set the output buffer for the selected DAC channel.
  669. * @rmtoll CR BOFF1 LL_DAC_SetOutputBuffer\n
  670. * CR BOFF2 LL_DAC_SetOutputBuffer
  671. * @param DACx DAC instance
  672. * @param DAC_Channel This parameter can be one of the following values:
  673. * @arg @ref LL_DAC_CHANNEL_1
  674. * @arg @ref LL_DAC_CHANNEL_2
  675. * @param OutputBuffer This parameter can be one of the following values:
  676. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  677. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  678. * @retval None
  679. */
  680. __STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
  681. {
  682. MODIFY_REG(DACx->CR,
  683. DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
  684. OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  685. }
  686. /**
  687. * @brief Get the output buffer state for the selected DAC channel.
  688. * @rmtoll CR BOFF1 LL_DAC_GetOutputBuffer\n
  689. * CR BOFF2 LL_DAC_GetOutputBuffer
  690. * @param DACx DAC instance
  691. * @param DAC_Channel This parameter can be one of the following values:
  692. * @arg @ref LL_DAC_CHANNEL_1
  693. * @arg @ref LL_DAC_CHANNEL_2
  694. * @retval Returned value can be one of the following values:
  695. * @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
  696. * @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
  697. */
  698. __STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  699. {
  700. return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  701. >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
  702. );
  703. }
  704. /**
  705. * @}
  706. */
  707. /** @defgroup DAC_LL_EF_DMA_Management DMA Management
  708. * @{
  709. */
  710. /**
  711. * @brief Enable DAC DMA transfer request of the selected channel.
  712. * @note To configure DMA source address (peripheral address),
  713. * use function @ref LL_DAC_DMA_GetRegAddr().
  714. * @rmtoll CR DMAEN1 LL_DAC_EnableDMAReq\n
  715. * CR DMAEN2 LL_DAC_EnableDMAReq
  716. * @param DACx DAC instance
  717. * @param DAC_Channel This parameter can be one of the following values:
  718. * @arg @ref LL_DAC_CHANNEL_1
  719. * @arg @ref LL_DAC_CHANNEL_2
  720. * @retval None
  721. */
  722. __STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  723. {
  724. SET_BIT(DACx->CR,
  725. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  726. }
  727. /**
  728. * @brief Disable DAC DMA transfer request of the selected channel.
  729. * @note To configure DMA source address (peripheral address),
  730. * use function @ref LL_DAC_DMA_GetRegAddr().
  731. * @rmtoll CR DMAEN1 LL_DAC_DisableDMAReq\n
  732. * CR DMAEN2 LL_DAC_DisableDMAReq
  733. * @param DACx DAC instance
  734. * @param DAC_Channel This parameter can be one of the following values:
  735. * @arg @ref LL_DAC_CHANNEL_1
  736. * @arg @ref LL_DAC_CHANNEL_2
  737. * @retval None
  738. */
  739. __STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  740. {
  741. CLEAR_BIT(DACx->CR,
  742. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  743. }
  744. /**
  745. * @brief Get DAC DMA transfer request state of the selected channel.
  746. * (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
  747. * @rmtoll CR DMAEN1 LL_DAC_IsDMAReqEnabled\n
  748. * CR DMAEN2 LL_DAC_IsDMAReqEnabled
  749. * @param DACx DAC instance
  750. * @param DAC_Channel This parameter can be one of the following values:
  751. * @arg @ref LL_DAC_CHANNEL_1
  752. * @arg @ref LL_DAC_CHANNEL_2
  753. * @retval State of bit (1 or 0).
  754. */
  755. __STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  756. {
  757. return (READ_BIT(DACx->CR,
  758. DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  759. == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  760. }
  761. /**
  762. * @brief Function to help to configure DMA transfer to DAC: retrieve the
  763. * DAC register address from DAC instance and a list of DAC registers
  764. * intended to be used (most commonly) with DMA transfer.
  765. * @note These DAC registers are data holding registers:
  766. * when DAC conversion is requested, DAC generates a DMA transfer
  767. * request to have data available in DAC data holding registers.
  768. * @note This macro is intended to be used with LL DMA driver, refer to
  769. * function "LL_DMA_ConfigAddresses()".
  770. * Example:
  771. * LL_DMA_ConfigAddresses(DMA1,
  772. * LL_DMA_CHANNEL_1,
  773. * (uint32_t)&< array or variable >,
  774. * LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1, LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
  775. * LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
  776. * @rmtoll DHR12R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  777. * DHR12L1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  778. * DHR8R1 DACC1DHR LL_DAC_DMA_GetRegAddr\n
  779. * DHR12R2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  780. * DHR12L2 DACC2DHR LL_DAC_DMA_GetRegAddr\n
  781. * DHR8R2 DACC2DHR LL_DAC_DMA_GetRegAddr
  782. * @param DACx DAC instance
  783. * @param DAC_Channel This parameter can be one of the following values:
  784. * @arg @ref LL_DAC_CHANNEL_1
  785. * @arg @ref LL_DAC_CHANNEL_2
  786. * @param Register This parameter can be one of the following values:
  787. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
  788. * @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
  789. * @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
  790. * @retval DAC register address
  791. */
  792. __STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
  793. {
  794. /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on */
  795. /* DAC channel selected. */
  796. return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, Register))));
  797. }
  798. /**
  799. * @}
  800. */
  801. /** @defgroup DAC_LL_EF_Operation Operation on DAC channels
  802. * @{
  803. */
  804. /**
  805. * @brief Enable DAC selected channel.
  806. * @rmtoll CR EN1 LL_DAC_Enable\n
  807. * CR EN2 LL_DAC_Enable
  808. * @note After enable from off state, DAC channel requires a delay
  809. * for output voltage to reach accuracy +/- 1 LSB.
  810. * Refer to device datasheet, parameter "tWAKEUP".
  811. * @param DACx DAC instance
  812. * @param DAC_Channel This parameter can be one of the following values:
  813. * @arg @ref LL_DAC_CHANNEL_1
  814. * @arg @ref LL_DAC_CHANNEL_2
  815. * @retval None
  816. */
  817. __STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  818. {
  819. SET_BIT(DACx->CR,
  820. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  821. }
  822. /**
  823. * @brief Disable DAC selected channel.
  824. * @rmtoll CR EN1 LL_DAC_Disable\n
  825. * CR EN2 LL_DAC_Disable
  826. * @param DACx DAC instance
  827. * @param DAC_Channel This parameter can be one of the following values:
  828. * @arg @ref LL_DAC_CHANNEL_1
  829. * @arg @ref LL_DAC_CHANNEL_2
  830. * @retval None
  831. */
  832. __STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  833. {
  834. CLEAR_BIT(DACx->CR,
  835. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  836. }
  837. /**
  838. * @brief Get DAC enable state of the selected channel.
  839. * (0: DAC channel is disabled, 1: DAC channel is enabled)
  840. * @rmtoll CR EN1 LL_DAC_IsEnabled\n
  841. * CR EN2 LL_DAC_IsEnabled
  842. * @param DACx DAC instance
  843. * @param DAC_Channel This parameter can be one of the following values:
  844. * @arg @ref LL_DAC_CHANNEL_1
  845. * @arg @ref LL_DAC_CHANNEL_2
  846. * @retval State of bit (1 or 0).
  847. */
  848. __STATIC_INLINE uint32_t LL_DAC_IsEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  849. {
  850. return (READ_BIT(DACx->CR,
  851. DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  852. == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  853. }
  854. /**
  855. * @brief Enable DAC trigger of the selected channel.
  856. * @note - If DAC trigger is disabled, DAC conversion is performed
  857. * automatically once the data holding register is updated,
  858. * using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  859. * @ref LL_DAC_ConvertData12RightAligned(), ...
  860. * - If DAC trigger is enabled, DAC conversion is performed
  861. * only when a hardware of software trigger event is occurring.
  862. * Select trigger source using
  863. * function @ref LL_DAC_SetTriggerSource().
  864. * @rmtoll CR TEN1 LL_DAC_EnableTrigger\n
  865. * CR TEN2 LL_DAC_EnableTrigger
  866. * @param DACx DAC instance
  867. * @param DAC_Channel This parameter can be one of the following values:
  868. * @arg @ref LL_DAC_CHANNEL_1
  869. * @arg @ref LL_DAC_CHANNEL_2
  870. * @retval None
  871. */
  872. __STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  873. {
  874. SET_BIT(DACx->CR,
  875. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  876. }
  877. /**
  878. * @brief Disable DAC trigger of the selected channel.
  879. * @rmtoll CR TEN1 LL_DAC_DisableTrigger\n
  880. * CR TEN2 LL_DAC_DisableTrigger
  881. * @param DACx DAC instance
  882. * @param DAC_Channel This parameter can be one of the following values:
  883. * @arg @ref LL_DAC_CHANNEL_1
  884. * @arg @ref LL_DAC_CHANNEL_2
  885. * @retval None
  886. */
  887. __STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  888. {
  889. CLEAR_BIT(DACx->CR,
  890. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
  891. }
  892. /**
  893. * @brief Get DAC trigger state of the selected channel.
  894. * (0: DAC trigger is disabled, 1: DAC trigger is enabled)
  895. * @rmtoll CR TEN1 LL_DAC_IsTriggerEnabled\n
  896. * CR TEN2 LL_DAC_IsTriggerEnabled
  897. * @param DACx DAC instance
  898. * @param DAC_Channel This parameter can be one of the following values:
  899. * @arg @ref LL_DAC_CHANNEL_1
  900. * @arg @ref LL_DAC_CHANNEL_2
  901. * @retval State of bit (1 or 0).
  902. */
  903. __STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  904. {
  905. return (READ_BIT(DACx->CR,
  906. DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
  907. == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)));
  908. }
  909. /**
  910. * @brief Trig DAC conversion by software for the selected DAC channel.
  911. * @note Preliminarily, DAC trigger must be set to software trigger
  912. * using function @ref LL_DAC_SetTriggerSource()
  913. * with parameter "LL_DAC_TRIGGER_SOFTWARE".
  914. * and DAC trigger must be enabled using
  915. * function @ref LL_DAC_EnableTrigger().
  916. * @note For devices featuring DAC with 2 channels: this function
  917. * can perform a SW start of both DAC channels simultaneously.
  918. * Two channels can be selected as parameter.
  919. * Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
  920. * @rmtoll SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion\n
  921. * SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
  922. * @param DACx DAC instance
  923. * @param DAC_Channel This parameter can a combination of the following values:
  924. * @arg @ref LL_DAC_CHANNEL_1
  925. * @arg @ref LL_DAC_CHANNEL_2
  926. * @retval None
  927. */
  928. __STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  929. {
  930. SET_BIT(DACx->SWTRIGR,
  931. (DAC_Channel & DAC_SWTR_CHX_MASK));
  932. }
  933. /**
  934. * @brief Set the data to be loaded in the data holding register
  935. * in format 12 bits left alignment (LSB aligned on bit 0),
  936. * for the selected DAC channel.
  937. * @rmtoll DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned\n
  938. * DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned
  939. * @param DACx DAC instance
  940. * @param DAC_Channel This parameter can be one of the following values:
  941. * @arg @ref LL_DAC_CHANNEL_1
  942. * @arg @ref LL_DAC_CHANNEL_2
  943. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  944. * @retval None
  945. */
  946. __STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  947. {
  948. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12RX_REGOFFSET_MASK));
  949. MODIFY_REG(*preg,
  950. DAC_DHR12R1_DACC1DHR,
  951. Data);
  952. }
  953. /**
  954. * @brief Set the data to be loaded in the data holding register
  955. * in format 12 bits left alignment (MSB aligned on bit 15),
  956. * for the selected DAC channel.
  957. * @rmtoll DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned\n
  958. * DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned
  959. * @param DACx DAC instance
  960. * @param DAC_Channel This parameter can be one of the following values:
  961. * @arg @ref LL_DAC_CHANNEL_1
  962. * @arg @ref LL_DAC_CHANNEL_2
  963. * @param Data Value between Min_Data=0x000 and Max_Data=0xFFF
  964. * @retval None
  965. */
  966. __STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  967. {
  968. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR12LX_REGOFFSET_MASK));
  969. MODIFY_REG(*preg,
  970. DAC_DHR12L1_DACC1DHR,
  971. Data);
  972. }
  973. /**
  974. * @brief Set the data to be loaded in the data holding register
  975. * in format 8 bits left alignment (LSB aligned on bit 0),
  976. * for the selected DAC channel.
  977. * @rmtoll DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned\n
  978. * DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned
  979. * @param DACx DAC instance
  980. * @param DAC_Channel This parameter can be one of the following values:
  981. * @arg @ref LL_DAC_CHANNEL_1
  982. * @arg @ref LL_DAC_CHANNEL_2
  983. * @param Data Value between Min_Data=0x00 and Max_Data=0xFF
  984. * @retval None
  985. */
  986. __STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
  987. {
  988. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DHR8RX_REGOFFSET_MASK));
  989. MODIFY_REG(*preg,
  990. DAC_DHR8R1_DACC1DHR,
  991. Data);
  992. }
  993. /**
  994. * @brief Set the data to be loaded in the data holding register
  995. * in format 12 bits left alignment (LSB aligned on bit 0),
  996. * for both DAC channels.
  997. * @rmtoll DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned\n
  998. * DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned
  999. * @param DACx DAC instance
  1000. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1001. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1002. * @retval None
  1003. */
  1004. __STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1005. {
  1006. MODIFY_REG(DACx->DHR12RD,
  1007. (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
  1008. ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1009. }
  1010. /**
  1011. * @brief Set the data to be loaded in the data holding register
  1012. * in format 12 bits left alignment (MSB aligned on bit 15),
  1013. * for both DAC channels.
  1014. * @rmtoll DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned\n
  1015. * DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned
  1016. * @param DACx DAC instance
  1017. * @param DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
  1018. * @param DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
  1019. * @retval None
  1020. */
  1021. __STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1022. {
  1023. /* Note: Data of DAC channel 2 shift value subtracted of 4 because */
  1024. /* data on 16 bits and DAC channel 2 bits field is on the 12 MSB, */
  1025. /* the 4 LSB must be taken into account for the shift value. */
  1026. MODIFY_REG(DACx->DHR12LD,
  1027. (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
  1028. ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
  1029. }
  1030. /**
  1031. * @brief Set the data to be loaded in the data holding register
  1032. * in format 8 bits left alignment (LSB aligned on bit 0),
  1033. * for both DAC channels.
  1034. * @rmtoll DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned\n
  1035. * DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned
  1036. * @param DACx DAC instance
  1037. * @param DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
  1038. * @param DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
  1039. * @retval None
  1040. */
  1041. __STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
  1042. {
  1043. MODIFY_REG(DACx->DHR8RD,
  1044. (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
  1045. ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
  1046. }
  1047. /**
  1048. * @brief Retrieve output data currently generated for the selected DAC channel.
  1049. * @note Whatever alignment and resolution settings
  1050. * (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
  1051. * @ref LL_DAC_ConvertData12RightAligned(), ...),
  1052. * output data format is 12 bits right aligned (LSB aligned on bit 0).
  1053. * @rmtoll DOR1 DACC1DOR LL_DAC_RetrieveOutputData\n
  1054. * DOR2 DACC2DOR LL_DAC_RetrieveOutputData
  1055. * @param DACx DAC instance
  1056. * @param DAC_Channel This parameter can be one of the following values:
  1057. * @arg @ref LL_DAC_CHANNEL_1
  1058. * @arg @ref LL_DAC_CHANNEL_2
  1059. * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
  1060. */
  1061. __STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(DAC_TypeDef *DACx, uint32_t DAC_Channel)
  1062. {
  1063. register uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, __DAC_MASK_SHIFT(DAC_Channel, DAC_REG_DORX_REGOFFSET_MASK));
  1064. return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
  1065. }
  1066. /**
  1067. * @}
  1068. */
  1069. /** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
  1070. * @{
  1071. */
  1072. #if defined(DAC_SR_DMAUDR1)
  1073. /**
  1074. * @brief Get DAC underrun flag for DAC channel 1
  1075. * @rmtoll SR DMAUDR1 LL_DAC_IsActiveFlag_DMAUDR1
  1076. * @param DACx DAC instance
  1077. * @retval State of bit (1 or 0).
  1078. */
  1079. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(DAC_TypeDef *DACx)
  1080. {
  1081. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1));
  1082. }
  1083. #endif /* DAC_SR_DMAUDR1 */
  1084. #if defined(DAC_SR_DMAUDR2)
  1085. /**
  1086. * @brief Get DAC underrun flag for DAC channel 2
  1087. * @rmtoll SR DMAUDR2 LL_DAC_IsActiveFlag_DMAUDR2
  1088. * @param DACx DAC instance
  1089. * @retval State of bit (1 or 0).
  1090. */
  1091. __STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(DAC_TypeDef *DACx)
  1092. {
  1093. return (READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2));
  1094. }
  1095. #endif /* DAC_SR_DMAUDR2 */
  1096. #if defined(DAC_SR_DMAUDR1)
  1097. /**
  1098. * @brief Clear DAC underrun flag for DAC channel 1
  1099. * @rmtoll SR DMAUDR1 LL_DAC_ClearFlag_DMAUDR1
  1100. * @param DACx DAC instance
  1101. * @retval None
  1102. */
  1103. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
  1104. {
  1105. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
  1106. }
  1107. #endif /* DAC_SR_DMAUDR1 */
  1108. #if defined(DAC_SR_DMAUDR2)
  1109. /**
  1110. * @brief Clear DAC underrun flag for DAC channel 2
  1111. * @rmtoll SR DMAUDR2 LL_DAC_ClearFlag_DMAUDR2
  1112. * @param DACx DAC instance
  1113. * @retval None
  1114. */
  1115. __STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
  1116. {
  1117. WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
  1118. }
  1119. #endif /* DAC_SR_DMAUDR2 */
  1120. /**
  1121. * @}
  1122. */
  1123. /** @defgroup DAC_LL_EF_IT_Management IT management
  1124. * @{
  1125. */
  1126. #if defined(DAC_CR_DMAUDRIE1)
  1127. /**
  1128. * @brief Enable DMA underrun interrupt for DAC channel 1
  1129. * @rmtoll CR DMAUDRIE1 LL_DAC_EnableIT_DMAUDR1
  1130. * @param DACx DAC instance
  1131. * @retval None
  1132. */
  1133. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
  1134. {
  1135. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1136. }
  1137. #endif /* DAC_CR_DMAUDRIE1 */
  1138. #if defined(DAC_CR_DMAUDRIE2)
  1139. /**
  1140. * @brief Enable DMA underrun interrupt for DAC channel 2
  1141. * @rmtoll CR DMAUDRIE2 LL_DAC_EnableIT_DMAUDR2
  1142. * @param DACx DAC instance
  1143. * @retval None
  1144. */
  1145. __STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
  1146. {
  1147. SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1148. }
  1149. #endif /* DAC_CR_DMAUDRIE2 */
  1150. #if defined(DAC_CR_DMAUDRIE1)
  1151. /**
  1152. * @brief Disable DMA underrun interrupt for DAC channel 1
  1153. * @rmtoll CR DMAUDRIE1 LL_DAC_DisableIT_DMAUDR1
  1154. * @param DACx DAC instance
  1155. * @retval None
  1156. */
  1157. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
  1158. {
  1159. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
  1160. }
  1161. #endif /* DAC_CR_DMAUDRIE1 */
  1162. #if defined(DAC_CR_DMAUDRIE2)
  1163. /**
  1164. * @brief Disable DMA underrun interrupt for DAC channel 2
  1165. * @rmtoll CR DMAUDRIE2 LL_DAC_DisableIT_DMAUDR2
  1166. * @param DACx DAC instance
  1167. * @retval None
  1168. */
  1169. __STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
  1170. {
  1171. CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
  1172. }
  1173. #endif /* DAC_CR_DMAUDRIE2 */
  1174. #if defined(DAC_CR_DMAUDRIE1)
  1175. /**
  1176. * @brief Get DMA underrun interrupt for DAC channel 1
  1177. * @rmtoll CR DMAUDRIE1 LL_DAC_IsEnabledIT_DMAUDR1
  1178. * @param DACx DAC instance
  1179. * @retval State of bit (1 or 0).
  1180. */
  1181. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(DAC_TypeDef *DACx)
  1182. {
  1183. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1));
  1184. }
  1185. #endif /* DAC_CR_DMAUDRIE1 */
  1186. #if defined(DAC_CR_DMAUDRIE2)
  1187. /**
  1188. * @brief Get DMA underrun interrupt for DAC channel 2
  1189. * @rmtoll CR DMAUDRIE2 LL_DAC_IsEnabledIT_DMAUDR2
  1190. * @param DACx DAC instance
  1191. * @retval State of bit (1 or 0).
  1192. */
  1193. __STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(DAC_TypeDef *DACx)
  1194. {
  1195. return (READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2));
  1196. }
  1197. #endif /* DAC_CR_DMAUDRIE2 */
  1198. /**
  1199. * @}
  1200. */
  1201. #if defined(USE_FULL_LL_DRIVER)
  1202. /** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
  1203. * @{
  1204. */
  1205. ErrorStatus LL_DAC_DeInit(DAC_TypeDef* DACx);
  1206. ErrorStatus LL_DAC_Init(DAC_TypeDef* DACx, uint32_t DAC_Channel, LL_DAC_InitTypeDef* DAC_InitStruct);
  1207. void LL_DAC_StructInit(LL_DAC_InitTypeDef* DAC_InitStruct);
  1208. /**
  1209. * @}
  1210. */
  1211. #endif /* USE_FULL_LL_DRIVER */
  1212. /**
  1213. * @}
  1214. */
  1215. /**
  1216. * @}
  1217. */
  1218. #endif /* DAC */
  1219. /**
  1220. * @}
  1221. */
  1222. #ifdef __cplusplus
  1223. }
  1224. #endif
  1225. #endif /* __STM32F1xx_LL_DAC_H */
  1226. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/