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/**
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  ******************************************************************************
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  * @file    stm32l1xx_ll_dac.h
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  * @author  MCD Application Team
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  * @brief   Header file of DAC LL module.
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  ******************************************************************************
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  * @attention
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  *
9
  * Copyright (c) 2016 STMicroelectronics.
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  * All rights reserved.
11
  *
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  * This software is licensed under terms that can be found in the LICENSE file
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  * in the root directory of this software component.
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  * If no LICENSE file comes with this software, it is provided AS-IS.
15
  *
16
  ******************************************************************************
17
  */
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19
/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32L1xx_LL_DAC_H
21
#define STM32L1xx_LL_DAC_H
22
 
23
#ifdef __cplusplus
24
extern "C" {
25
#endif
26
 
27
/* Includes ------------------------------------------------------------------*/
28
#include "stm32l1xx.h"
29
 
30
/** @addtogroup STM32L1xx_LL_Driver
31
  * @{
32
  */
33
 
34
#if defined(DAC1)
35
 
36
/** @defgroup DAC_LL DAC
37
  * @{
38
  */
39
 
40
/* Private types -------------------------------------------------------------*/
41
/* Private variables ---------------------------------------------------------*/
42
 
43
/* Private constants ---------------------------------------------------------*/
44
/** @defgroup DAC_LL_Private_Constants DAC Private Constants
45
  * @{
46
  */
47
 
48
/* Internal masks for DAC channels definition */
49
/* To select into literal LL_DAC_CHANNEL_x the relevant bits for:             */
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/* - channel bits position into registers CR, MCR, CCR, SHHR, SHRR            */
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/* - channel bits position into register SWTRIG                               */
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/* - channel register offset of data holding register DHRx                    */
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/* - channel register offset of data output register DORx                     */
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#define DAC_CR_CH1_BITOFFSET           0UL   /* Position of channel bits into registers
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                                                CR, MCR, CCR, SHHR, SHRR of channel 1 */
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#define DAC_CR_CH2_BITOFFSET           16UL  /* Position of channel bits into registers
57
                                                CR, MCR, CCR, SHHR, SHRR of channel 2 */
58
#define DAC_CR_CHX_BITOFFSET_MASK      (DAC_CR_CH1_BITOFFSET | DAC_CR_CH2_BITOFFSET)
59
 
60
#define DAC_SWTR_CH1                   (DAC_SWTRIGR_SWTRIG1) /* Channel bit into register SWTRIGR of channel 1. */
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#define DAC_SWTR_CH2                   (DAC_SWTRIGR_SWTRIG2) /* Channel bit into register SWTRIGR of channel 2. */
62
#define DAC_SWTR_CHX_MASK              (DAC_SWTR_CH1 | DAC_SWTR_CH2)
63
 
64
#define DAC_REG_DHR12R1_REGOFFSET      0x00000000UL            /* Register DHR12Rx channel 1 taken as reference */
65
#define DAC_REG_DHR12L1_REGOFFSET      0x00100000UL            /* Register offset of DHR12Lx channel 1 versus
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                                                                  DHR12Rx channel 1 (shifted left of 20 bits)   */
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#define DAC_REG_DHR8R1_REGOFFSET       0x02000000UL            /* Register offset of DHR8Rx  channel 1 versus
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                                                                  DHR12Rx channel 1 (shifted left of 24 bits)   */
69
 
70
#define DAC_REG_DHR12R2_REGOFFSET      0x00030000UL            /* Register offset of DHR12Rx channel 2 versus
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                                                                  DHR12Rx channel 1 (shifted left of 16 bits)   */
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#define DAC_REG_DHR12L2_REGOFFSET      0x00400000UL            /* Register offset of DHR12Lx channel 2 versus
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                                                                  DHR12Rx channel 1 (shifted left of 20 bits)   */
74
#define DAC_REG_DHR8R2_REGOFFSET       0x05000000UL            /* Register offset of DHR8Rx  channel 2 versus
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                                                                  DHR12Rx channel 1 (shifted left of 24 bits)   */
76
 
77
#define DAC_REG_DHR12RX_REGOFFSET_MASK 0x000F0000UL
78
#define DAC_REG_DHR12LX_REGOFFSET_MASK 0x00F00000UL
79
#define DAC_REG_DHR8RX_REGOFFSET_MASK  0x0F000000UL
80
#define DAC_REG_DHRX_REGOFFSET_MASK    (DAC_REG_DHR12RX_REGOFFSET_MASK\
81
                                        | DAC_REG_DHR12LX_REGOFFSET_MASK | DAC_REG_DHR8RX_REGOFFSET_MASK)
82
 
83
#define DAC_REG_DOR1_REGOFFSET         0x00000000UL            /* Register DORx channel 1 taken as reference */
84
 
85
#define DAC_REG_DOR2_REGOFFSET         0x10000000UL            /* Register offset of DORx channel 1 versus
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                                                                  DORx channel 2 (shifted left of 28 bits)   */
87
#define DAC_REG_DORX_REGOFFSET_MASK    (DAC_REG_DOR1_REGOFFSET | DAC_REG_DOR2_REGOFFSET)
88
 
89
 
90
 
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#define DAC_REG_DHR_REGOFFSET_MASK_POSBIT0         0x0000000FUL /* Mask of data hold registers offset (DHR12Rx,
92
                                                                   DHR12Lx, DHR8Rx, ...) when shifted to position 0 */
93
#define DAC_REG_DORX_REGOFFSET_MASK_POSBIT0        0x00000001UL /* Mask of DORx registers offset when shifted
94
                                                                   to position 0                                    */
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#define DAC_REG_SHSRX_REGOFFSET_MASK_POSBIT0       0x00000001UL /* Mask of SHSRx registers offset when shifted
96
                                                                   to position 0                                    */
97
 
98
#define DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS           16UL  /* Position of bits register offset of DHR12Rx
99
                                                                   channel 1 or 2 versus DHR12Rx channel 1
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                                                                   (shifted left of 16 bits)                   */
101
#define DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS           20UL  /* Position of bits register offset of DHR12Lx
102
                                                                   channel 1 or 2 versus DHR12Rx channel 1
103
                                                                   (shifted left of 20 bits)                   */
104
#define DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS            24UL  /* Position of bits register offset of DHR8Rx
105
                                                                   channel 1 or 2 versus DHR12Rx channel 1
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                                                                   (shifted left of 24 bits)                   */
107
#define DAC_REG_DORX_REGOFFSET_BITOFFSET_POS              28UL  /* Position of bits register offset of DORx
108
                                                                   channel 1 or 2 versus DORx channel 1
109
                                                                   (shifted left of 28 bits)                   */
110
 
111
/* DAC registers bits positions */
112
#define DAC_DHR12RD_DACC2DHR_BITOFFSET_POS                DAC_DHR12RD_DACC2DHR_Pos
113
#define DAC_DHR12LD_DACC2DHR_BITOFFSET_POS                DAC_DHR12LD_DACC2DHR_Pos
114
#define DAC_DHR8RD_DACC2DHR_BITOFFSET_POS                 DAC_DHR8RD_DACC2DHR_Pos
115
 
116
/* Miscellaneous data */
117
#define DAC_DIGITAL_SCALE_12BITS                  4095UL   /* Full-scale digital value with a resolution of 12
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                                                              bits (voltage range determined by analog voltage
119
                                                              references Vref+ and Vref-, refer to reference manual) */
120
 
121
/**
122
  * @}
123
  */
124
 
125
 
126
/* Private macros ------------------------------------------------------------*/
127
/** @defgroup DAC_LL_Private_Macros DAC Private Macros
128
  * @{
129
  */
130
 
131
/**
132
  * @brief  Driver macro reserved for internal use: set a pointer to
133
  *         a register from a register basis from which an offset
134
  *         is applied.
135
  * @param  __REG__ Register basis from which the offset is applied.
136
  * @param  __REG_OFFFSET__ Offset to be applied (unit: number of registers).
137
  * @retval Pointer to register address
138
  */
139
#define __DAC_PTR_REG_OFFSET(__REG__, __REG_OFFFSET__)                         \
140
  ((uint32_t *)((uint32_t) ((uint32_t)(&(__REG__)) + ((__REG_OFFFSET__) << 2UL))))
141
 
142
/**
143
  * @}
144
  */
145
 
146
 
147
/* Exported types ------------------------------------------------------------*/
148
#if defined(USE_FULL_LL_DRIVER)
149
/** @defgroup DAC_LL_ES_INIT DAC Exported Init structure
150
  * @{
151
  */
152
 
153
/**
154
  * @brief  Structure definition of some features of DAC instance.
155
  */
156
typedef struct
157
{
158
  uint32_t TriggerSource;               /*!< Set the conversion trigger source for the selected DAC channel:
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                                             internal (SW start) or from external peripheral
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                                             (timer event, external interrupt line).
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                                             This parameter can be a value of @ref DAC_LL_EC_TRIGGER_SOURCE
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163
                                             This feature can be modified afterwards using unitary
164
                                             function @ref LL_DAC_SetTriggerSource(). */
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  uint32_t WaveAutoGeneration;          /*!< Set the waveform automatic generation mode for the selected DAC channel.
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                                             This parameter can be a value of @ref DAC_LL_EC_WAVE_AUTO_GENERATION_MODE
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                                             This feature can be modified afterwards using unitary
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                                             function @ref LL_DAC_SetWaveAutoGeneration(). */
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  uint32_t WaveAutoGenerationConfig;    /*!< Set the waveform automatic generation mode for the selected DAC channel.
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                                             If waveform automatic generation mode is set to noise, this parameter
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                                             can be a value of @ref DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS
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                                             If waveform automatic generation mode is set to triangle,
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                                             this parameter can be a value of @ref DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE
177
                                             @note If waveform automatic generation mode is disabled,
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                                              this parameter is discarded.
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                                             This feature can be modified afterwards using unitary
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                                             function @ref LL_DAC_SetWaveNoiseLFSR(),
182
                                             @ref LL_DAC_SetWaveTriangleAmplitude()
183
                                             depending on the wave automatic generation selected. */
184
 
185
  uint32_t OutputBuffer;                /*!< Set the output buffer for the selected DAC channel.
186
                                             This parameter can be a value of @ref DAC_LL_EC_OUTPUT_BUFFER
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188
                                             This feature can be modified afterwards using unitary
189
                                             function @ref LL_DAC_SetOutputBuffer(). */
190
} LL_DAC_InitTypeDef;
191
 
192
/**
193
  * @}
194
  */
195
#endif /* USE_FULL_LL_DRIVER */
196
 
197
/* Exported constants --------------------------------------------------------*/
198
/** @defgroup DAC_LL_Exported_Constants DAC Exported Constants
199
  * @{
200
  */
201
 
202
/** @defgroup DAC_LL_EC_GET_FLAG DAC flags
203
  * @brief    Flags defines which can be used with LL_DAC_ReadReg function
204
  * @{
205
  */
206
/* DAC channel 1 flags */
207
#define LL_DAC_FLAG_DMAUDR1                (DAC_SR_DMAUDR1)   /*!< DAC channel 1 flag DMA underrun */
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209
/* DAC channel 2 flags */
210
#define LL_DAC_FLAG_DMAUDR2                (DAC_SR_DMAUDR2)   /*!< DAC channel 2 flag DMA underrun */
211
 
212
/**
213
  * @}
214
  */
215
 
216
/** @defgroup DAC_LL_EC_IT DAC interruptions
217
  * @brief    IT defines which can be used with LL_DAC_ReadReg and  LL_DAC_WriteReg functions
218
  * @{
219
  */
220
#define LL_DAC_IT_DMAUDRIE1                (DAC_CR_DMAUDRIE1) /*!< DAC channel 1 interruption DMA underrun */
221
 
222
#define LL_DAC_IT_DMAUDRIE2                (DAC_CR_DMAUDRIE2) /*!< DAC channel 2 interruption DMA underrun */
223
 
224
/**
225
  * @}
226
  */
227
 
228
/** @defgroup DAC_LL_EC_CHANNEL DAC channels
229
  * @{
230
  */
231
#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 */
232
 
233
#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 */
234
 
235
/**
236
  * @}
237
  */
238
 
239
/** @defgroup DAC_LL_EC_TRIGGER_SOURCE DAC trigger source
240
  * @{
241
  */
242
#define LL_DAC_TRIG_SOFTWARE               (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger internal (SW start) */
243
#define LL_DAC_TRIG_EXT_TIM2_TRGO          (DAC_CR_TSEL1_2                                  ) /*!< DAC channel conversion trigger from external peripheral: TIM2 TRGO. */
244
#define LL_DAC_TRIG_EXT_TIM4_TRGO          (DAC_CR_TSEL1_2                  | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM4 TRGO. */
245
#define LL_DAC_TRIG_EXT_TIM6_TRGO          0x00000000UL                                       /*!< DAC channel conversion trigger from external peripheral: TIM6 TRGO. */
246
#define LL_DAC_TRIG_EXT_TIM7_TRGO          (                 DAC_CR_TSEL1_1                 ) /*!< DAC channel conversion trigger from external peripheral: TIM7 TRGO. */
247
#define LL_DAC_TRIG_EXT_TIM9_TRGO          (                 DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0) /*!< DAC channel conversion trigger from external peripheral: TIM15 TRGO. */
248
#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. */
249
/**
250
  * @}
251
  */
252
 
253
/** @defgroup DAC_LL_EC_WAVE_AUTO_GENERATION_MODE DAC waveform automatic generation mode
254
  * @{
255
  */
256
#define LL_DAC_WAVE_AUTO_GENERATION_NONE     0x00000000UL                    /*!< DAC channel wave auto generation mode disabled. */
257
#define LL_DAC_WAVE_AUTO_GENERATION_NOISE    (               DAC_CR_WAVE1_0) /*!< DAC channel wave auto generation mode enabled, set generated noise waveform. */
258
#define LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE (DAC_CR_WAVE1_1               ) /*!< DAC channel wave auto generation mode enabled, set generated triangle waveform. */
259
/**
260
  * @}
261
  */
262
 
263
/** @defgroup DAC_LL_EC_WAVE_NOISE_LFSR_UNMASK_BITS DAC wave generation - Noise LFSR unmask bits
264
  * @{
265
  */
266
#define LL_DAC_NOISE_LFSR_UNMASK_BIT0      0x00000000UL                                                        /*!< Noise wave generation, unmask LFSR bit0, for the selected DAC channel */
267
#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 */
268
#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 */
269
#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 */
270
#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 */
271
#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 */
272
#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 */
273
#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 */
274
#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 */
275
#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 */
276
#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 */
277
#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 */
278
/**
279
  * @}
280
  */
281
 
282
/** @defgroup DAC_LL_EC_WAVE_TRIANGLE_AMPLITUDE DAC wave generation - Triangle amplitude
283
  * @{
284
  */
285
#define LL_DAC_TRIANGLE_AMPLITUDE_1        0x00000000UL                                                        /*!< Triangle wave generation, amplitude of 1 LSB of DAC output range, for the selected DAC channel */
286
#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 */
287
#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 */
288
#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 */
289
#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 */
290
#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 */
291
#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 */
292
#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 */
293
#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 */
294
#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 */
295
#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 */
296
#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 */
297
/**
298
  * @}
299
  */
300
 
301
/** @defgroup DAC_LL_EC_OUTPUT_BUFFER DAC channel output buffer
302
  * @{
303
  */
304
#define LL_DAC_OUTPUT_BUFFER_ENABLE        0x00000000UL            /*!< The selected DAC channel output is buffered: higher drive current capability, but also higher current consumption */
305
#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 */
306
/**
307
  * @}
308
  */
309
 
310
/** @defgroup DAC_LL_EC_RESOLUTION  DAC channel output resolution
311
  * @{
312
  */
313
#define LL_DAC_RESOLUTION_12B              0x00000000UL            /*!< DAC channel resolution 12 bits */
314
#define LL_DAC_RESOLUTION_8B               0x00000002UL            /*!< DAC channel resolution 8 bits */
315
/**
316
  * @}
317
  */
318
 
319
/** @defgroup DAC_LL_EC_REGISTERS  DAC registers compliant with specific purpose
320
  * @{
321
  */
322
/* List of DAC registers intended to be used (most commonly) with             */
323
/* DMA transfer.                                                              */
324
/* Refer to function @ref LL_DAC_DMA_GetRegAddr().                            */
325
#define LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED  DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits right aligned */
326
#define LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED   DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS /*!< DAC channel data holding register 12 bits left aligned */
327
#define LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED   DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS  /*!< DAC channel data holding register 8 bits right aligned */
328
/**
329
  * @}
330
  */
331
 
332
/** @defgroup DAC_LL_EC_HW_DELAYS  Definitions of DAC hardware constraints delays
333
  * @note   Only DAC peripheral HW delays are defined in DAC LL driver driver,
334
  *         not timeout values.
335
  *         For details on delays values, refer to descriptions in source code
336
  *         above each literal definition.
337
  * @{
338
  */
339
 
340
/* Delay for DAC channel voltage settling time from DAC channel startup       */
341
/* (transition from disable to enable).                                       */
342
/* Note: DAC channel startup time depends on board application environment:   */
343
/*       impedance connected to DAC channel output.                           */
344
/*       The delay below is specified under conditions:                       */
345
/*        - voltage maximum transition (lowest to highest value)              */
346
/*        - until voltage reaches final value +-1LSB                          */
347
/*        - DAC channel output buffer enabled                                 */
348
/*        - load impedance of 5kOhm (min), 50pF (max)                         */
349
/* Literal set to maximum value (refer to device datasheet,                   */
350
/* parameter "tWAKEUP").                                                      */
351
/* Unit: us                                                                   */
352
#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) */
353
 
354
/* Delay for DAC channel voltage settling time.                               */
355
/* Note: DAC channel startup time depends on board application environment:   */
356
/*       impedance connected to DAC channel output.                           */
357
/*       The delay below is specified under conditions:                       */
358
/*        - voltage maximum transition (lowest to highest value)              */
359
/*        - until voltage reaches final value +-1LSB                          */
360
/*        - DAC channel output buffer enabled                                 */
361
/*        - load impedance of 5kOhm min, 50pF max                             */
362
/* Literal set to maximum value (refer to device datasheet,                   */
363
/* parameter "tSETTLING").                                                    */
364
/* Unit: us                                                                   */
365
#define LL_DAC_DELAY_VOLTAGE_SETTLING_US                    12UL /*!< Delay for DAC channel voltage settling time */
366
 
367
/**
368
  * @}
369
  */
370
 
371
/**
372
  * @}
373
  */
374
 
375
/* Exported macro ------------------------------------------------------------*/
376
/** @defgroup DAC_LL_Exported_Macros DAC Exported Macros
377
  * @{
378
  */
379
 
380
/** @defgroup DAC_LL_EM_WRITE_READ Common write and read registers macros
381
  * @{
382
  */
383
 
384
/**
385
  * @brief  Write a value in DAC register
386
  * @param  __INSTANCE__ DAC Instance
387
  * @param  __REG__ Register to be written
388
  * @param  __VALUE__ Value to be written in the register
389
  * @retval None
390
  */
391
#define LL_DAC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
392
 
393
/**
394
  * @brief  Read a value in DAC register
395
  * @param  __INSTANCE__ DAC Instance
396
  * @param  __REG__ Register to be read
397
  * @retval Register value
398
  */
399
#define LL_DAC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
400
 
401
/**
402
  * @}
403
  */
404
 
405
/** @defgroup DAC_LL_EM_HELPER_MACRO DAC helper macro
406
  * @{
407
  */
408
 
409
/**
410
  * @brief  Helper macro to get DAC channel number in decimal format
411
  *         from literals LL_DAC_CHANNEL_x.
412
  *         Example:
413
  *            __LL_DAC_CHANNEL_TO_DECIMAL_NB(LL_DAC_CHANNEL_1)
414
  *            will return decimal number "1".
415
  * @note   The input can be a value from functions where a channel
416
  *         number is returned.
417
  * @param  __CHANNEL__ This parameter can be one of the following values:
418
  *         @arg @ref LL_DAC_CHANNEL_1
419
  *         @arg @ref LL_DAC_CHANNEL_2
420
  * @retval 1...2
421
  */
422
#define __LL_DAC_CHANNEL_TO_DECIMAL_NB(__CHANNEL__)                            \
423
  ((__CHANNEL__) & DAC_SWTR_CHX_MASK)
424
 
425
/**
426
  * @brief  Helper macro to get DAC channel in literal format LL_DAC_CHANNEL_x
427
  *         from number in decimal format.
428
  *         Example:
429
  *           __LL_DAC_DECIMAL_NB_TO_CHANNEL(1)
430
  *           will return a data equivalent to "LL_DAC_CHANNEL_1".
431
  * @note  If the input parameter does not correspond to a DAC channel,
432
  *        this macro returns value '0'.
433
  * @param  __DECIMAL_NB__ 1...2
434
  * @retval Returned value can be one of the following values:
435
  *         @arg @ref LL_DAC_CHANNEL_1
436
  *         @arg @ref LL_DAC_CHANNEL_2
437
  */
438
#define __LL_DAC_DECIMAL_NB_TO_CHANNEL(__DECIMAL_NB__)\
439
  (((__DECIMAL_NB__) == 1UL)? (LL_DAC_CHANNEL_1  ):(((__DECIMAL_NB__) == 2UL) ? ( LL_DAC_CHANNEL_2):(0UL)))
440
 
441
/**
442
  * @brief  Helper macro to define the DAC conversion data full-scale digital
443
  *         value corresponding to the selected DAC resolution.
444
  * @note   DAC conversion data full-scale corresponds to voltage range
445
  *         determined by analog voltage references Vref+ and Vref-
446
  *         (refer to reference manual).
447
  * @param  __DAC_RESOLUTION__ This parameter can be one of the following values:
448
  *         @arg @ref LL_DAC_RESOLUTION_12B
449
  *         @arg @ref LL_DAC_RESOLUTION_8B
450
  * @retval ADC conversion data equivalent voltage value (unit: mVolt)
451
  */
452
#define __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__)                             \
453
  ((0x00000FFFUL) >> ((__DAC_RESOLUTION__) << 1UL))
454
 
455
/**
456
  * @brief  Helper macro to calculate the DAC conversion data (unit: digital
457
  *         value) corresponding to a voltage (unit: mVolt).
458
  * @note   This helper macro is intended to provide input data in voltage
459
  *         rather than digital value,
460
  *         to be used with LL DAC functions such as
461
  *         @ref LL_DAC_ConvertData12RightAligned().
462
  * @note   Analog reference voltage (Vref+) must be either known from
463
  *         user board environment or can be calculated using ADC measurement
464
  *         and ADC helper macro __LL_ADC_CALC_VREFANALOG_VOLTAGE().
465
  * @param  __VREFANALOG_VOLTAGE__ Analog reference voltage (unit: mV)
466
  * @param  __DAC_VOLTAGE__ Voltage to be generated by DAC channel
467
  *                         (unit: mVolt).
468
  * @param  __DAC_RESOLUTION__ This parameter can be one of the following values:
469
  *         @arg @ref LL_DAC_RESOLUTION_12B
470
  *         @arg @ref LL_DAC_RESOLUTION_8B
471
  * @retval DAC conversion data (unit: digital value)
472
  */
473
#define __LL_DAC_CALC_VOLTAGE_TO_DATA(__VREFANALOG_VOLTAGE__, __DAC_VOLTAGE__, __DAC_RESOLUTION__)   \
474
  ((__DAC_VOLTAGE__) * __LL_DAC_DIGITAL_SCALE(__DAC_RESOLUTION__)                                      \
475
   / (__VREFANALOG_VOLTAGE__)                                                                          \
476
  )
477
 
478
/**
479
  * @}
480
  */
481
 
482
/**
483
  * @}
484
  */
485
 
486
 
487
/* Exported functions --------------------------------------------------------*/
488
/** @defgroup DAC_LL_Exported_Functions DAC Exported Functions
489
  * @{
490
  */
491
 
492
/**
493
  * @brief  Set the conversion trigger source for the selected DAC channel.
494
  * @note   For conversion trigger source to be effective, DAC trigger
495
  *         must be enabled using function @ref LL_DAC_EnableTrigger().
496
  * @note   To set conversion trigger source, DAC channel must be disabled.
497
  *         Otherwise, the setting is discarded.
498
  * @note   Availability of parameters of trigger sources from timer
499
  *         depends on timers availability on the selected device.
500
  * @rmtoll CR       TSEL1          LL_DAC_SetTriggerSource\n
501
  *         CR       TSEL2          LL_DAC_SetTriggerSource
502
  * @param  DACx DAC instance
503
  * @param  DAC_Channel This parameter can be one of the following values:
504
  *         @arg @ref LL_DAC_CHANNEL_1
505
  *         @arg @ref LL_DAC_CHANNEL_2
506
  * @param  TriggerSource This parameter can be one of the following values:
507
  *         @arg @ref LL_DAC_TRIG_SOFTWARE
508
  *         @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
509
  *         @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
510
  *         @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
511
  *         @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
512
  *         @arg @ref LL_DAC_TRIG_EXT_TIM9_TRGO
513
  *         @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
514
  * @retval None
515
  */
516
__STATIC_INLINE void LL_DAC_SetTriggerSource(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t TriggerSource)
517
{
518
  MODIFY_REG(DACx->CR,
519
             DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
520
             TriggerSource << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
521
}
522
 
523
/**
524
  * @brief  Get the conversion trigger source for the selected DAC channel.
525
  * @note   For conversion trigger source to be effective, DAC trigger
526
  *         must be enabled using function @ref LL_DAC_EnableTrigger().
527
  * @note   Availability of parameters of trigger sources from timer
528
  *         depends on timers availability on the selected device.
529
  * @rmtoll CR       TSEL1          LL_DAC_GetTriggerSource\n
530
  *         CR       TSEL2          LL_DAC_GetTriggerSource
531
  * @param  DACx DAC instance
532
  * @param  DAC_Channel This parameter can be one of the following values:
533
  *         @arg @ref LL_DAC_CHANNEL_1
534
  *         @arg @ref LL_DAC_CHANNEL_2
535
  * @retval Returned value can be one of the following values:
536
  *         @arg @ref LL_DAC_TRIG_SOFTWARE
537
  *         @arg @ref LL_DAC_TRIG_EXT_TIM2_TRGO
538
  *         @arg @ref LL_DAC_TRIG_EXT_TIM4_TRGO
539
  *         @arg @ref LL_DAC_TRIG_EXT_TIM6_TRGO
540
  *         @arg @ref LL_DAC_TRIG_EXT_TIM7_TRGO
541
  *         @arg @ref LL_DAC_TRIG_EXT_TIM9_TRGO
542
  *         @arg @ref LL_DAC_TRIG_EXT_EXTI_LINE9
543
  */
544
__STATIC_INLINE uint32_t LL_DAC_GetTriggerSource(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
545
{
546
  return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_TSEL1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
547
                    >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
548
                   );
549
}
550
 
551
/**
552
  * @brief  Set the waveform automatic generation mode
553
  *         for the selected DAC channel.
554
  * @rmtoll CR       WAVE1          LL_DAC_SetWaveAutoGeneration\n
555
  *         CR       WAVE2          LL_DAC_SetWaveAutoGeneration
556
  * @param  DACx DAC instance
557
  * @param  DAC_Channel This parameter can be one of the following values:
558
  *         @arg @ref LL_DAC_CHANNEL_1
559
  *         @arg @ref LL_DAC_CHANNEL_2
560
  * @param  WaveAutoGeneration This parameter can be one of the following values:
561
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
562
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
563
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
564
  * @retval None
565
  */
566
__STATIC_INLINE void LL_DAC_SetWaveAutoGeneration(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t WaveAutoGeneration)
567
{
568
  MODIFY_REG(DACx->CR,
569
             DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
570
             WaveAutoGeneration << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
571
}
572
 
573
/**
574
  * @brief  Get the waveform automatic generation mode
575
  *         for the selected DAC channel.
576
  * @rmtoll CR       WAVE1          LL_DAC_GetWaveAutoGeneration\n
577
  *         CR       WAVE2          LL_DAC_GetWaveAutoGeneration
578
  * @param  DACx DAC instance
579
  * @param  DAC_Channel This parameter can be one of the following values:
580
  *         @arg @ref LL_DAC_CHANNEL_1
581
  *         @arg @ref LL_DAC_CHANNEL_2
582
  * @retval Returned value can be one of the following values:
583
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NONE
584
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_NOISE
585
  *         @arg @ref LL_DAC_WAVE_AUTO_GENERATION_TRIANGLE
586
  */
587
__STATIC_INLINE uint32_t LL_DAC_GetWaveAutoGeneration(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
588
{
589
  return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_WAVE1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
590
                    >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
591
                   );
592
}
593
 
594
/**
595
  * @brief  Set the noise waveform generation for the selected DAC channel:
596
  *         Noise mode and parameters LFSR (linear feedback shift register).
597
  * @note   For wave generation to be effective, DAC channel
598
  *         wave generation mode must be enabled using
599
  *         function @ref LL_DAC_SetWaveAutoGeneration().
600
  * @note   This setting can be set when the selected DAC channel is disabled
601
  *         (otherwise, the setting operation is ignored).
602
  * @rmtoll CR       MAMP1          LL_DAC_SetWaveNoiseLFSR\n
603
  *         CR       MAMP2          LL_DAC_SetWaveNoiseLFSR
604
  * @param  DACx DAC instance
605
  * @param  DAC_Channel This parameter can be one of the following values:
606
  *         @arg @ref LL_DAC_CHANNEL_1
607
  *         @arg @ref LL_DAC_CHANNEL_2
608
  * @param  NoiseLFSRMask This parameter can be one of the following values:
609
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
610
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
611
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
612
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
613
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
614
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
615
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
616
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
617
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
618
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
619
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
620
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
621
  * @retval None
622
  */
623
__STATIC_INLINE void LL_DAC_SetWaveNoiseLFSR(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t NoiseLFSRMask)
624
{
625
  MODIFY_REG(DACx->CR,
626
             DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
627
             NoiseLFSRMask << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
628
}
629
 
630
/**
631
  * @brief  Get the noise waveform generation for the selected DAC channel:
632
  *         Noise mode and parameters LFSR (linear feedback shift register).
633
  * @rmtoll CR       MAMP1          LL_DAC_GetWaveNoiseLFSR\n
634
  *         CR       MAMP2          LL_DAC_GetWaveNoiseLFSR
635
  * @param  DACx DAC instance
636
  * @param  DAC_Channel This parameter can be one of the following values:
637
  *         @arg @ref LL_DAC_CHANNEL_1
638
  *         @arg @ref LL_DAC_CHANNEL_2
639
  * @retval Returned value can be one of the following values:
640
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BIT0
641
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS1_0
642
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS2_0
643
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS3_0
644
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS4_0
645
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS5_0
646
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS6_0
647
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS7_0
648
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS8_0
649
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS9_0
650
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS10_0
651
  *         @arg @ref LL_DAC_NOISE_LFSR_UNMASK_BITS11_0
652
  */
653
__STATIC_INLINE uint32_t LL_DAC_GetWaveNoiseLFSR(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
654
{
655
  return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
656
                    >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
657
                   );
658
}
659
 
660
/**
661
  * @brief  Set the triangle waveform generation for the selected DAC channel:
662
  *         triangle mode and amplitude.
663
  * @note   For wave generation to be effective, DAC channel
664
  *         wave generation mode must be enabled using
665
  *         function @ref LL_DAC_SetWaveAutoGeneration().
666
  * @note   This setting can be set when the selected DAC channel is disabled
667
  *         (otherwise, the setting operation is ignored).
668
  * @rmtoll CR       MAMP1          LL_DAC_SetWaveTriangleAmplitude\n
669
  *         CR       MAMP2          LL_DAC_SetWaveTriangleAmplitude
670
  * @param  DACx DAC instance
671
  * @param  DAC_Channel This parameter can be one of the following values:
672
  *         @arg @ref LL_DAC_CHANNEL_1
673
  *         @arg @ref LL_DAC_CHANNEL_2
674
  * @param  TriangleAmplitude This parameter can be one of the following values:
675
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
676
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
677
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
678
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
679
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
680
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
681
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
682
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
683
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
684
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
685
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
686
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
687
  * @retval None
688
  */
689
__STATIC_INLINE void LL_DAC_SetWaveTriangleAmplitude(DAC_TypeDef *DACx, uint32_t DAC_Channel,
690
                                                     uint32_t TriangleAmplitude)
691
{
692
  MODIFY_REG(DACx->CR,
693
             DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
694
             TriangleAmplitude << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
695
}
696
 
697
/**
698
  * @brief  Get the triangle waveform generation for the selected DAC channel:
699
  *         triangle mode and amplitude.
700
  * @rmtoll CR       MAMP1          LL_DAC_GetWaveTriangleAmplitude\n
701
  *         CR       MAMP2          LL_DAC_GetWaveTriangleAmplitude
702
  * @param  DACx DAC instance
703
  * @param  DAC_Channel This parameter can be one of the following values:
704
  *         @arg @ref LL_DAC_CHANNEL_1
705
  *         @arg @ref LL_DAC_CHANNEL_2
706
  * @retval Returned value can be one of the following values:
707
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1
708
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_3
709
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_7
710
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_15
711
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_31
712
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_63
713
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_127
714
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_255
715
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_511
716
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_1023
717
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_2047
718
  *         @arg @ref LL_DAC_TRIANGLE_AMPLITUDE_4095
719
  */
720
__STATIC_INLINE uint32_t LL_DAC_GetWaveTriangleAmplitude(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
721
{
722
  return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_MAMP1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
723
                    >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
724
                   );
725
}
726
 
727
/**
728
  * @brief  Set the output buffer for the selected DAC channel.
729
  * @rmtoll CR       BOFF1          LL_DAC_SetOutputBuffer\n
730
  *         CR       BOFF2          LL_DAC_SetOutputBuffer
731
  * @param  DACx DAC instance
732
  * @param  DAC_Channel This parameter can be one of the following values:
733
  *         @arg @ref LL_DAC_CHANNEL_1
734
  *         @arg @ref LL_DAC_CHANNEL_2
735
  * @param  OutputBuffer This parameter can be one of the following values:
736
  *         @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
737
  *         @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
738
  * @retval None
739
  */
740
__STATIC_INLINE void LL_DAC_SetOutputBuffer(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t OutputBuffer)
741
{
742
  MODIFY_REG(DACx->CR,
743
             DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK),
744
             OutputBuffer << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
745
}
746
 
747
/**
748
  * @brief  Get the output buffer state for the selected DAC channel.
749
  * @rmtoll CR       BOFF1          LL_DAC_GetOutputBuffer\n
750
  *         CR       BOFF2          LL_DAC_GetOutputBuffer
751
  * @param  DACx DAC instance
752
  * @param  DAC_Channel This parameter can be one of the following values:
753
  *         @arg @ref LL_DAC_CHANNEL_1
754
  *         @arg @ref LL_DAC_CHANNEL_2
755
  * @retval Returned value can be one of the following values:
756
  *         @arg @ref LL_DAC_OUTPUT_BUFFER_ENABLE
757
  *         @arg @ref LL_DAC_OUTPUT_BUFFER_DISABLE
758
  */
759
__STATIC_INLINE uint32_t LL_DAC_GetOutputBuffer(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
760
{
761
  return (uint32_t)(READ_BIT(DACx->CR, DAC_CR_BOFF1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
762
                    >> (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK)
763
                   );
764
}
765
 
766
/**
767
  * @}
768
  */
769
 
770
/** @defgroup DAC_LL_EF_DMA_Management DMA Management
771
  * @{
772
  */
773
 
774
/**
775
  * @brief  Enable DAC DMA transfer request of the selected channel.
776
  * @note   To configure DMA source address (peripheral address),
777
  *         use function @ref LL_DAC_DMA_GetRegAddr().
778
  * @rmtoll CR       DMAEN1         LL_DAC_EnableDMAReq\n
779
  *         CR       DMAEN2         LL_DAC_EnableDMAReq
780
  * @param  DACx DAC instance
781
  * @param  DAC_Channel This parameter can be one of the following values:
782
  *         @arg @ref LL_DAC_CHANNEL_1
783
  *         @arg @ref LL_DAC_CHANNEL_2
784
  * @retval None
785
  */
786
__STATIC_INLINE void LL_DAC_EnableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
787
{
788
  SET_BIT(DACx->CR,
789
          DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
790
}
791
 
792
/**
793
  * @brief  Disable DAC DMA transfer request of the selected channel.
794
  * @note   To configure DMA source address (peripheral address),
795
  *         use function @ref LL_DAC_DMA_GetRegAddr().
796
  * @rmtoll CR       DMAEN1         LL_DAC_DisableDMAReq\n
797
  *         CR       DMAEN2         LL_DAC_DisableDMAReq
798
  * @param  DACx DAC instance
799
  * @param  DAC_Channel This parameter can be one of the following values:
800
  *         @arg @ref LL_DAC_CHANNEL_1
801
  *         @arg @ref LL_DAC_CHANNEL_2
802
  * @retval None
803
  */
804
__STATIC_INLINE void LL_DAC_DisableDMAReq(DAC_TypeDef *DACx, uint32_t DAC_Channel)
805
{
806
  CLEAR_BIT(DACx->CR,
807
            DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
808
}
809
 
810
/**
811
  * @brief  Get DAC DMA transfer request state of the selected channel.
812
  *         (0: DAC DMA transfer request is disabled, 1: DAC DMA transfer request is enabled)
813
  * @rmtoll CR       DMAEN1         LL_DAC_IsDMAReqEnabled\n
814
  *         CR       DMAEN2         LL_DAC_IsDMAReqEnabled
815
  * @param  DACx DAC instance
816
  * @param  DAC_Channel This parameter can be one of the following values:
817
  *         @arg @ref LL_DAC_CHANNEL_1
818
  *         @arg @ref LL_DAC_CHANNEL_2
819
  * @retval State of bit (1 or 0).
820
  */
821
__STATIC_INLINE uint32_t LL_DAC_IsDMAReqEnabled(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
822
{
823
  return ((READ_BIT(DACx->CR,
824
                    DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
825
           == (DAC_CR_DMAEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
826
}
827
 
828
/**
829
  * @brief  Function to help to configure DMA transfer to DAC: retrieve the
830
  *         DAC register address from DAC instance and a list of DAC registers
831
  *         intended to be used (most commonly) with DMA transfer.
832
  * @note   These DAC registers are data holding registers:
833
  *         when DAC conversion is requested, DAC generates a DMA transfer
834
  *         request to have data available in DAC data holding registers.
835
  * @note   This macro is intended to be used with LL DMA driver, refer to
836
  *         function "LL_DMA_ConfigAddresses()".
837
  *         Example:
838
  *           LL_DMA_ConfigAddresses(DMA1,
839
  *                                  LL_DMA_CHANNEL_1,
840
  *                                  (uint32_t)&< array or variable >,
841
  *                                  LL_DAC_DMA_GetRegAddr(DAC1, LL_DAC_CHANNEL_1,
842
  *                                  LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED),
843
  *                                  LL_DMA_DIRECTION_MEMORY_TO_PERIPH);
844
  * @rmtoll DHR12R1  DACC1DHR       LL_DAC_DMA_GetRegAddr\n
845
  *         DHR12L1  DACC1DHR       LL_DAC_DMA_GetRegAddr\n
846
  *         DHR8R1   DACC1DHR       LL_DAC_DMA_GetRegAddr\n
847
  *         DHR12R2  DACC2DHR       LL_DAC_DMA_GetRegAddr\n
848
  *         DHR12L2  DACC2DHR       LL_DAC_DMA_GetRegAddr\n
849
  *         DHR8R2   DACC2DHR       LL_DAC_DMA_GetRegAddr
850
  * @param  DACx DAC instance
851
  * @param  DAC_Channel This parameter can be one of the following values:
852
  *         @arg @ref LL_DAC_CHANNEL_1
853
  *         @arg @ref LL_DAC_CHANNEL_2
854
  * @param  Register This parameter can be one of the following values:
855
  *         @arg @ref LL_DAC_DMA_REG_DATA_12BITS_RIGHT_ALIGNED
856
  *         @arg @ref LL_DAC_DMA_REG_DATA_12BITS_LEFT_ALIGNED
857
  *         @arg @ref LL_DAC_DMA_REG_DATA_8BITS_RIGHT_ALIGNED
858
  * @retval DAC register address
859
  */
860
__STATIC_INLINE uint32_t LL_DAC_DMA_GetRegAddr(const DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Register)
861
{
862
  /* Retrieve address of register DHR12Rx, DHR12Lx or DHR8Rx depending on     */
863
  /* DAC channel selected.                                                    */
864
  return ((uint32_t)(__DAC_PTR_REG_OFFSET((DACx)->DHR12R1, ((DAC_Channel >> (Register & 0x1FUL))
865
                                                            & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0))));
866
}
867
/**
868
  * @}
869
  */
870
 
871
/** @defgroup DAC_LL_EF_Operation Operation on DAC channels
872
  * @{
873
  */
874
 
875
/**
876
  * @brief  Enable DAC selected channel.
877
  * @rmtoll CR       EN1            LL_DAC_Enable\n
878
  *         CR       EN2            LL_DAC_Enable
879
  * @note   After enable from off state, DAC channel requires a delay
880
  *         for output voltage to reach accuracy +/- 1 LSB.
881
  *         Refer to device datasheet, parameter "tWAKEUP".
882
  * @param  DACx DAC instance
883
  * @param  DAC_Channel This parameter can be one of the following values:
884
  *         @arg @ref LL_DAC_CHANNEL_1
885
  *         @arg @ref LL_DAC_CHANNEL_2
886
  * @retval None
887
  */
888
__STATIC_INLINE void LL_DAC_Enable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
889
{
890
  SET_BIT(DACx->CR,
891
          DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
892
}
893
 
894
/**
895
  * @brief  Disable DAC selected channel.
896
  * @rmtoll CR       EN1            LL_DAC_Disable\n
897
  *         CR       EN2            LL_DAC_Disable
898
  * @param  DACx DAC instance
899
  * @param  DAC_Channel This parameter can be one of the following values:
900
  *         @arg @ref LL_DAC_CHANNEL_1
901
  *         @arg @ref LL_DAC_CHANNEL_2
902
  * @retval None
903
  */
904
__STATIC_INLINE void LL_DAC_Disable(DAC_TypeDef *DACx, uint32_t DAC_Channel)
905
{
906
  CLEAR_BIT(DACx->CR,
907
            DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
908
}
909
 
910
/**
911
  * @brief  Get DAC enable state of the selected channel.
912
  *         (0: DAC channel is disabled, 1: DAC channel is enabled)
913
  * @rmtoll CR       EN1            LL_DAC_IsEnabled\n
914
  *         CR       EN2            LL_DAC_IsEnabled
915
  * @param  DACx DAC instance
916
  * @param  DAC_Channel This parameter can be one of the following values:
917
  *         @arg @ref LL_DAC_CHANNEL_1
918
  *         @arg @ref LL_DAC_CHANNEL_2
919
  * @retval State of bit (1 or 0).
920
  */
921
__STATIC_INLINE uint32_t LL_DAC_IsEnabled(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
922
{
923
  return ((READ_BIT(DACx->CR,
924
                    DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
925
           == (DAC_CR_EN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
926
}
927
 
928
/**
929
  * @brief  Enable DAC trigger of the selected channel.
930
  * @note   - If DAC trigger is disabled, DAC conversion is performed
931
  *           automatically once the data holding register is updated,
932
  *           using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
933
  *           @ref LL_DAC_ConvertData12RightAligned(), ...
934
  *         - If DAC trigger is enabled, DAC conversion is performed
935
  *           only when a hardware of software trigger event is occurring.
936
  *           Select trigger source using
937
  *           function @ref LL_DAC_SetTriggerSource().
938
  * @rmtoll CR       TEN1           LL_DAC_EnableTrigger\n
939
  *         CR       TEN2           LL_DAC_EnableTrigger
940
  * @param  DACx DAC instance
941
  * @param  DAC_Channel This parameter can be one of the following values:
942
  *         @arg @ref LL_DAC_CHANNEL_1
943
  *         @arg @ref LL_DAC_CHANNEL_2
944
  * @retval None
945
  */
946
__STATIC_INLINE void LL_DAC_EnableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
947
{
948
  SET_BIT(DACx->CR,
949
          DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
950
}
951
 
952
/**
953
  * @brief  Disable DAC trigger of the selected channel.
954
  * @rmtoll CR       TEN1           LL_DAC_DisableTrigger\n
955
  *         CR       TEN2           LL_DAC_DisableTrigger
956
  * @param  DACx DAC instance
957
  * @param  DAC_Channel This parameter can be one of the following values:
958
  *         @arg @ref LL_DAC_CHANNEL_1
959
  *         @arg @ref LL_DAC_CHANNEL_2
960
  * @retval None
961
  */
962
__STATIC_INLINE void LL_DAC_DisableTrigger(DAC_TypeDef *DACx, uint32_t DAC_Channel)
963
{
964
  CLEAR_BIT(DACx->CR,
965
            DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK));
966
}
967
 
968
/**
969
  * @brief  Get DAC trigger state of the selected channel.
970
  *         (0: DAC trigger is disabled, 1: DAC trigger is enabled)
971
  * @rmtoll CR       TEN1           LL_DAC_IsTriggerEnabled\n
972
  *         CR       TEN2           LL_DAC_IsTriggerEnabled
973
  * @param  DACx DAC instance
974
  * @param  DAC_Channel This parameter can be one of the following values:
975
  *         @arg @ref LL_DAC_CHANNEL_1
976
  *         @arg @ref LL_DAC_CHANNEL_2
977
  * @retval State of bit (1 or 0).
978
  */
979
__STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
980
{
981
  return ((READ_BIT(DACx->CR,
982
                    DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))
983
           == (DAC_CR_TEN1 << (DAC_Channel & DAC_CR_CHX_BITOFFSET_MASK))) ? 1UL : 0UL);
984
}
985
 
986
/**
987
  * @brief  Trig DAC conversion by software for the selected DAC channel.
988
  * @note   Preliminarily, DAC trigger must be set to software trigger
989
  *         using function
990
  *           @ref LL_DAC_Init()
991
  *           @ref LL_DAC_SetTriggerSource()
992
  *         with parameter "LL_DAC_TRIGGER_SOFTWARE".
993
  *         and DAC trigger must be enabled using
994
  *         function @ref LL_DAC_EnableTrigger().
995
  * @note   For devices featuring DAC with 2 channels: this function
996
  *         can perform a SW start of both DAC channels simultaneously.
997
  *         Two channels can be selected as parameter.
998
  *         Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2)
999
  * @rmtoll SWTRIGR  SWTRIG1        LL_DAC_TrigSWConversion\n
1000
  *         SWTRIGR  SWTRIG2        LL_DAC_TrigSWConversion
1001
  * @param  DACx DAC instance
1002
  * @param  DAC_Channel  This parameter can a combination of the following values:
1003
  *         @arg @ref LL_DAC_CHANNEL_1
1004
  *         @arg @ref LL_DAC_CHANNEL_2
1005
  * @retval None
1006
  */
1007
__STATIC_INLINE void LL_DAC_TrigSWConversion(DAC_TypeDef *DACx, uint32_t DAC_Channel)
1008
{
1009
  SET_BIT(DACx->SWTRIGR,
1010
          (DAC_Channel & DAC_SWTR_CHX_MASK));
1011
}
1012
 
1013
/**
1014
  * @brief  Set the data to be loaded in the data holding register
1015
  *         in format 12 bits left alignment (LSB aligned on bit 0),
1016
  *         for the selected DAC channel.
1017
  * @rmtoll DHR12R1  DACC1DHR       LL_DAC_ConvertData12RightAligned\n
1018
  *         DHR12R2  DACC2DHR       LL_DAC_ConvertData12RightAligned
1019
  * @param  DACx DAC instance
1020
  * @param  DAC_Channel This parameter can be one of the following values:
1021
  *         @arg @ref LL_DAC_CHANNEL_1
1022
  *         @arg @ref LL_DAC_CHANNEL_2
1023
  * @param  Data Value between Min_Data=0x000 and Max_Data=0xFFF
1024
  * @retval None
1025
  */
1026
__STATIC_INLINE void LL_DAC_ConvertData12RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
1027
{
1028
  __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12RX_REGOFFSET_BITOFFSET_POS)
1029
                                             & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
1030
 
1031
  MODIFY_REG(*preg, DAC_DHR12R1_DACC1DHR, Data);
1032
}
1033
 
1034
/**
1035
  * @brief  Set the data to be loaded in the data holding register
1036
  *         in format 12 bits left alignment (MSB aligned on bit 15),
1037
  *         for the selected DAC channel.
1038
  * @rmtoll DHR12L1  DACC1DHR       LL_DAC_ConvertData12LeftAligned\n
1039
  *         DHR12L2  DACC2DHR       LL_DAC_ConvertData12LeftAligned
1040
  * @param  DACx DAC instance
1041
  * @param  DAC_Channel This parameter can be one of the following values:
1042
  *         @arg @ref LL_DAC_CHANNEL_1
1043
  *         @arg @ref LL_DAC_CHANNEL_2
1044
  * @param  Data Value between Min_Data=0x000 and Max_Data=0xFFF
1045
  * @retval None
1046
  */
1047
__STATIC_INLINE void LL_DAC_ConvertData12LeftAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
1048
{
1049
  __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR12LX_REGOFFSET_BITOFFSET_POS)
1050
                                             & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
1051
 
1052
  MODIFY_REG(*preg, DAC_DHR12L1_DACC1DHR, Data);
1053
}
1054
 
1055
/**
1056
  * @brief  Set the data to be loaded in the data holding register
1057
  *         in format 8 bits left alignment (LSB aligned on bit 0),
1058
  *         for the selected DAC channel.
1059
  * @rmtoll DHR8R1   DACC1DHR       LL_DAC_ConvertData8RightAligned\n
1060
  *         DHR8R2   DACC2DHR       LL_DAC_ConvertData8RightAligned
1061
  * @param  DACx DAC instance
1062
  * @param  DAC_Channel This parameter can be one of the following values:
1063
  *         @arg @ref LL_DAC_CHANNEL_1
1064
  *         @arg @ref LL_DAC_CHANNEL_2
1065
  * @param  Data Value between Min_Data=0x00 and Max_Data=0xFF
1066
  * @retval None
1067
  */
1068
__STATIC_INLINE void LL_DAC_ConvertData8RightAligned(DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
1069
{
1070
  __IO uint32_t *preg = __DAC_PTR_REG_OFFSET(DACx->DHR12R1, (DAC_Channel >> DAC_REG_DHR8RX_REGOFFSET_BITOFFSET_POS)
1071
                                             & DAC_REG_DHR_REGOFFSET_MASK_POSBIT0);
1072
 
1073
  MODIFY_REG(*preg, DAC_DHR8R1_DACC1DHR, Data);
1074
}
1075
 
1076
 
1077
/**
1078
  * @brief  Set the data to be loaded in the data holding register
1079
  *         in format 12 bits left alignment (LSB aligned on bit 0),
1080
  *         for both DAC channels.
1081
  * @rmtoll DHR12RD  DACC1DHR       LL_DAC_ConvertDualData12RightAligned\n
1082
  *         DHR12RD  DACC2DHR       LL_DAC_ConvertDualData12RightAligned
1083
  * @param  DACx DAC instance
1084
  * @param  DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
1085
  * @param  DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
1086
  * @retval None
1087
  */
1088
__STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
1089
                                                          uint32_t DataChannel2)
1090
{
1091
  MODIFY_REG(DACx->DHR12RD,
1092
             (DAC_DHR12RD_DACC2DHR | DAC_DHR12RD_DACC1DHR),
1093
             ((DataChannel2 << DAC_DHR12RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
1094
}
1095
 
1096
/**
1097
  * @brief  Set the data to be loaded in the data holding register
1098
  *         in format 12 bits left alignment (MSB aligned on bit 15),
1099
  *         for both DAC channels.
1100
  * @rmtoll DHR12LD  DACC1DHR       LL_DAC_ConvertDualData12LeftAligned\n
1101
  *         DHR12LD  DACC2DHR       LL_DAC_ConvertDualData12LeftAligned
1102
  * @param  DACx DAC instance
1103
  * @param  DataChannel1 Value between Min_Data=0x000 and Max_Data=0xFFF
1104
  * @param  DataChannel2 Value between Min_Data=0x000 and Max_Data=0xFFF
1105
  * @retval None
1106
  */
1107
__STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
1108
                                                         uint32_t DataChannel2)
1109
{
1110
  /* Note: Data of DAC channel 2 shift value subtracted of 4 because          */
1111
  /*       data on 16 bits and DAC channel 2 bits field is on the 12 MSB,     */
1112
  /*       the 4 LSB must be taken into account for the shift value.          */
1113
  MODIFY_REG(DACx->DHR12LD,
1114
             (DAC_DHR12LD_DACC2DHR | DAC_DHR12LD_DACC1DHR),
1115
             ((DataChannel2 << (DAC_DHR12LD_DACC2DHR_BITOFFSET_POS - 4U)) | DataChannel1));
1116
}
1117
 
1118
/**
1119
  * @brief  Set the data to be loaded in the data holding register
1120
  *         in format 8 bits left alignment (LSB aligned on bit 0),
1121
  *         for both DAC channels.
1122
  * @rmtoll DHR8RD  DACC1DHR       LL_DAC_ConvertDualData8RightAligned\n
1123
  *         DHR8RD  DACC2DHR       LL_DAC_ConvertDualData8RightAligned
1124
  * @param  DACx DAC instance
1125
  * @param  DataChannel1 Value between Min_Data=0x00 and Max_Data=0xFF
1126
  * @param  DataChannel2 Value between Min_Data=0x00 and Max_Data=0xFF
1127
  * @retval None
1128
  */
1129
__STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned(DAC_TypeDef *DACx, uint32_t DataChannel1,
1130
                                                         uint32_t DataChannel2)
1131
{
1132
  MODIFY_REG(DACx->DHR8RD,
1133
             (DAC_DHR8RD_DACC2DHR | DAC_DHR8RD_DACC1DHR),
1134
             ((DataChannel2 << DAC_DHR8RD_DACC2DHR_BITOFFSET_POS) | DataChannel1));
1135
}
1136
 
1137
 
1138
/**
1139
  * @brief  Retrieve output data currently generated for the selected DAC channel.
1140
  * @note   Whatever alignment and resolution settings
1141
  *         (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()":
1142
  *         @ref LL_DAC_ConvertData12RightAligned(), ...),
1143
  *         output data format is 12 bits right aligned (LSB aligned on bit 0).
1144
  * @rmtoll DOR1     DACC1DOR       LL_DAC_RetrieveOutputData\n
1145
  *         DOR2     DACC2DOR       LL_DAC_RetrieveOutputData
1146
  * @param  DACx DAC instance
1147
  * @param  DAC_Channel This parameter can be one of the following values:
1148
  *         @arg @ref LL_DAC_CHANNEL_1
1149
  *         @arg @ref LL_DAC_CHANNEL_2
1150
  * @retval Value between Min_Data=0x000 and Max_Data=0xFFF
1151
  */
1152
__STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData(const DAC_TypeDef *DACx, uint32_t DAC_Channel)
1153
{
1154
  __IO uint32_t const *preg = __DAC_PTR_REG_OFFSET(DACx->DOR1, (DAC_Channel >> DAC_REG_DORX_REGOFFSET_BITOFFSET_POS)
1155
                                                   & DAC_REG_DORX_REGOFFSET_MASK_POSBIT0);
1156
 
1157
  return (uint16_t) READ_BIT(*preg, DAC_DOR1_DACC1DOR);
1158
}
1159
 
1160
/**
1161
  * @}
1162
  */
1163
 
1164
/** @defgroup DAC_LL_EF_FLAG_Management FLAG Management
1165
  * @{
1166
  */
1167
 
1168
/**
1169
  * @brief  Get DAC underrun flag for DAC channel 1
1170
  * @rmtoll SR       DMAUDR1        LL_DAC_IsActiveFlag_DMAUDR1
1171
  * @param  DACx DAC instance
1172
  * @retval State of bit (1 or 0).
1173
  */
1174
__STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR1(const DAC_TypeDef *DACx)
1175
{
1176
  return ((READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR1) == (LL_DAC_FLAG_DMAUDR1)) ? 1UL : 0UL);
1177
}
1178
 
1179
 
1180
/**
1181
  * @brief  Get DAC underrun flag for DAC channel 2
1182
  * @rmtoll SR       DMAUDR2        LL_DAC_IsActiveFlag_DMAUDR2
1183
  * @param  DACx DAC instance
1184
  * @retval State of bit (1 or 0).
1185
  */
1186
__STATIC_INLINE uint32_t LL_DAC_IsActiveFlag_DMAUDR2(const DAC_TypeDef *DACx)
1187
{
1188
  return ((READ_BIT(DACx->SR, LL_DAC_FLAG_DMAUDR2) == (LL_DAC_FLAG_DMAUDR2)) ? 1UL : 0UL);
1189
}
1190
 
1191
 
1192
/**
1193
  * @brief  Clear DAC underrun flag for DAC channel 1
1194
  * @rmtoll SR       DMAUDR1        LL_DAC_ClearFlag_DMAUDR1
1195
  * @param  DACx DAC instance
1196
  * @retval None
1197
  */
1198
__STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR1(DAC_TypeDef *DACx)
1199
{
1200
  WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR1);
1201
}
1202
 
1203
 
1204
/**
1205
  * @brief  Clear DAC underrun flag for DAC channel 2
1206
  * @rmtoll SR       DMAUDR2        LL_DAC_ClearFlag_DMAUDR2
1207
  * @param  DACx DAC instance
1208
  * @retval None
1209
  */
1210
__STATIC_INLINE void LL_DAC_ClearFlag_DMAUDR2(DAC_TypeDef *DACx)
1211
{
1212
  WRITE_REG(DACx->SR, LL_DAC_FLAG_DMAUDR2);
1213
}
1214
 
1215
 
1216
/**
1217
  * @}
1218
  */
1219
 
1220
/** @defgroup DAC_LL_EF_IT_Management IT management
1221
  * @{
1222
  */
1223
 
1224
/**
1225
  * @brief  Enable DMA underrun interrupt for DAC channel 1
1226
  * @rmtoll CR       DMAUDRIE1      LL_DAC_EnableIT_DMAUDR1
1227
  * @param  DACx DAC instance
1228
  * @retval None
1229
  */
1230
__STATIC_INLINE void LL_DAC_EnableIT_DMAUDR1(DAC_TypeDef *DACx)
1231
{
1232
  SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
1233
}
1234
 
1235
 
1236
/**
1237
  * @brief  Enable DMA underrun interrupt for DAC channel 2
1238
  * @rmtoll CR       DMAUDRIE2      LL_DAC_EnableIT_DMAUDR2
1239
  * @param  DACx DAC instance
1240
  * @retval None
1241
  */
1242
__STATIC_INLINE void LL_DAC_EnableIT_DMAUDR2(DAC_TypeDef *DACx)
1243
{
1244
  SET_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
1245
}
1246
 
1247
 
1248
/**
1249
  * @brief  Disable DMA underrun interrupt for DAC channel 1
1250
  * @rmtoll CR       DMAUDRIE1      LL_DAC_DisableIT_DMAUDR1
1251
  * @param  DACx DAC instance
1252
  * @retval None
1253
  */
1254
__STATIC_INLINE void LL_DAC_DisableIT_DMAUDR1(DAC_TypeDef *DACx)
1255
{
1256
  CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1);
1257
}
1258
 
1259
 
1260
/**
1261
  * @brief  Disable DMA underrun interrupt for DAC channel 2
1262
  * @rmtoll CR       DMAUDRIE2      LL_DAC_DisableIT_DMAUDR2
1263
  * @param  DACx DAC instance
1264
  * @retval None
1265
  */
1266
__STATIC_INLINE void LL_DAC_DisableIT_DMAUDR2(DAC_TypeDef *DACx)
1267
{
1268
  CLEAR_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2);
1269
}
1270
 
1271
 
1272
/**
1273
  * @brief  Get DMA underrun interrupt for DAC channel 1
1274
  * @rmtoll CR       DMAUDRIE1      LL_DAC_IsEnabledIT_DMAUDR1
1275
  * @param  DACx DAC instance
1276
  * @retval State of bit (1 or 0).
1277
  */
1278
__STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR1(const DAC_TypeDef *DACx)
1279
{
1280
  return ((READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE1) == (LL_DAC_IT_DMAUDRIE1)) ? 1UL : 0UL);
1281
}
1282
 
1283
 
1284
/**
1285
  * @brief  Get DMA underrun interrupt for DAC channel 2
1286
  * @rmtoll CR       DMAUDRIE2      LL_DAC_IsEnabledIT_DMAUDR2
1287
  * @param  DACx DAC instance
1288
  * @retval State of bit (1 or 0).
1289
  */
1290
__STATIC_INLINE uint32_t LL_DAC_IsEnabledIT_DMAUDR2(const DAC_TypeDef *DACx)
1291
{
1292
  return ((READ_BIT(DACx->CR, LL_DAC_IT_DMAUDRIE2) == (LL_DAC_IT_DMAUDRIE2)) ? 1UL : 0UL);
1293
}
1294
 
1295
 
1296
/**
1297
  * @}
1298
  */
1299
 
1300
#if defined(USE_FULL_LL_DRIVER)
1301
/** @defgroup DAC_LL_EF_Init Initialization and de-initialization functions
1302
  * @{
1303
  */
1304
 
1305
ErrorStatus LL_DAC_DeInit(const DAC_TypeDef *DACx);
1306
ErrorStatus LL_DAC_Init(DAC_TypeDef *DACx, uint32_t DAC_Channel, const LL_DAC_InitTypeDef *DAC_InitStruct);
1307
void        LL_DAC_StructInit(LL_DAC_InitTypeDef *DAC_InitStruct);
1308
 
1309
/**
1310
  * @}
1311
  */
1312
#endif /* USE_FULL_LL_DRIVER */
1313
 
1314
/**
1315
  * @}
1316
  */
1317
 
1318
/**
1319
  * @}
1320
  */
1321
 
1322
#endif /* DAC1 */
1323
 
1324
/**
1325
  * @}
1326
  */
1327
 
1328
#ifdef __cplusplus
1329
}
1330
#endif
1331
 
1332
#endif /* STM32L1xx_LL_DAC_H */