2 ******************************************************************************
3 * @file stm32f30x_dac.h
4 * @author MCD Application Team
7 * @brief This file contains all the functions prototypes for the DAC firmware
9 ******************************************************************************
12 * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
14 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
15 * You may not use this file except in compliance with the License.
16 * You may obtain a copy of the License at:
18 * http://www.st.com/software_license_agreement_liberty_v2
20 * Unless required by applicable law or agreed to in writing, software
21 * distributed under the License is distributed on an "AS IS" BASIS,
22 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23 * See the License for the specific language governing permissions and
24 * limitations under the License.
26 ******************************************************************************
29 /* Define to prevent recursive inclusion -------------------------------------*/
30 #ifndef __STM32F30x_DAC_H
31 #define __STM32F30x_DAC_H
37 /* Includes ------------------------------------------------------------------*/
38 #include "stm32f30x.h"
40 /** @addtogroup STM32F30x_StdPeriph_Driver
48 /* Exported types ------------------------------------------------------------*/
49 #define DAC_CR_DMAUDRIE ((uint32_t)0x00002000) /*!< DAC channel DMA underrun interrupt enable */
52 * @brief DAC Init structure definition
57 uint32_t DAC_Trigger
; /*!< Specifies the external trigger for the selected DAC channel.
58 This parameter can be a value of @ref DAC_trigger_selection */
60 uint32_t DAC_WaveGeneration
; /*!< Specifies whether DAC channel noise waves or triangle waves
61 are generated, or whether no wave is generated.
62 This parameter can be a value of @ref DAC_wave_generation */
64 uint32_t DAC_LFSRUnmask_TriangleAmplitude
; /*!< Specifies the LFSR mask for noise wave generation or
65 the maximum amplitude triangle generation for the DAC channel.
66 This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */
68 uint32_t DAC_Buffer_Switch
; /*!< Specifies whether the DAC channel output buffer is enabled or disabled or
69 the DAC channel output switch is enabled or disabled.
70 This parameter can be a value of @ref DAC_buffer_switch */
73 /* Exported constants --------------------------------------------------------*/
75 /** @defgroup DAC_Exported_Constants
79 #define IS_DAC_ALL_PERIPH(PERIPH) (((PERIPH) == DAC1) || \
82 #define IS_DAC_LIST1_PERIPH(PERIPH) (((PERIPH) == DAC1))
84 /** @defgroup DAC_trigger_selection
88 #define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
89 has been loaded, and not by external trigger */
90 #define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC1/2 channel1/2 */
91 #define DAC_Trigger_T3_TRGO ((uint32_t)0x0000000C) /*!< TIM3 TRGO selected as external conversion trigger for DAC1/2 channel1/2 */
92 #define DAC_Trigger_T8_TRGO ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC1 channel1/2 */
93 #define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC1/2 channel1/2 */
94 #define DAC_Trigger_T15_TRGO ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC1/2 channel1/2 */
95 #define DAC_Trigger_HRTIM1_DACTRG1 ((uint32_t)0x0000001C) /*!< HRTIM1 DACTRG1 selected as external conversion trigger for DAC1 channel1/2 */
96 #define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC1/2 channel1/2 */
97 #define DAC_Trigger_T4_TRGO ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
98 #define DAC_Trigger_HRTIM1_DACTRG2 ((uint32_t)0x0000002C) /*!< HRTIM1 DACTRG2 selected as external conversion trigger for DAC1 channel1/2 */
99 #define DAC_Trigger_HRTIM1_DACTRG3 ((uint32_t)0x0000002C) /*!< HRTIM1 DACTRG3 selected as external conversion trigger for DAC2 channel1 */
100 #define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC1/2 channel1/2 */
101 #define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC1/2 channel1/2 */
103 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
104 ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
105 ((TRIGGER) == DAC_Trigger_T3_TRGO) || \
106 ((TRIGGER) == DAC_Trigger_T8_TRGO) || \
107 ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
108 ((TRIGGER) == DAC_Trigger_T15_TRGO) || \
109 ((TRIGGER) == DAC_Trigger_HRTIM1_DACTRG1)|| \
110 ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
111 ((TRIGGER) == DAC_Trigger_T4_TRGO) || \
112 ((TRIGGER) == DAC_Trigger_HRTIM1_DACTRG2)|| \
113 ((TRIGGER) == DAC_Trigger_HRTIM1_DACTRG3)|| \
114 ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
115 ((TRIGGER) == DAC_Trigger_Software))
121 /** @defgroup DAC_wave_generation
125 #define DAC_WaveGeneration_None ((uint32_t)0x00000000)
126 #define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)
127 #define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)
129 #define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
130 ((WAVE) == DAC_WaveGeneration_Noise) || \
131 ((WAVE) == DAC_WaveGeneration_Triangle))
136 /** @defgroup DAC_lfsrunmask_triangleamplitude
140 #define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
141 #define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
142 #define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
143 #define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
144 #define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
145 #define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
146 #define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
147 #define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
148 #define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
149 #define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
150 #define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
151 #define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
152 #define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
153 #define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
154 #define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
155 #define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
156 #define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
157 #define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
158 #define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
159 #define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
160 #define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
161 #define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
162 #define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
163 #define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
165 #define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
166 ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
167 ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
168 ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
169 ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
170 ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
171 ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
172 ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
173 ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
174 ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
175 ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
176 ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
177 ((VALUE) == DAC_TriangleAmplitude_1) || \
178 ((VALUE) == DAC_TriangleAmplitude_3) || \
179 ((VALUE) == DAC_TriangleAmplitude_7) || \
180 ((VALUE) == DAC_TriangleAmplitude_15) || \
181 ((VALUE) == DAC_TriangleAmplitude_31) || \
182 ((VALUE) == DAC_TriangleAmplitude_63) || \
183 ((VALUE) == DAC_TriangleAmplitude_127) || \
184 ((VALUE) == DAC_TriangleAmplitude_255) || \
185 ((VALUE) == DAC_TriangleAmplitude_511) || \
186 ((VALUE) == DAC_TriangleAmplitude_1023) || \
187 ((VALUE) == DAC_TriangleAmplitude_2047) || \
188 ((VALUE) == DAC_TriangleAmplitude_4095))
193 /** @defgroup DAC_buffer_switch
197 #define DAC_BufferSwitch_Disable ((uint32_t)0x00000000)
198 #define DAC_BufferSwitch_Enable ((uint32_t)0x00000002)
200 #define IS_DAC_BUFFER_SWITCH_STATE(STATE) (((STATE) == DAC_BufferSwitch_Enable) || \
201 ((STATE) == DAC_BufferSwitch_Disable))
206 /** @defgroup DAC_Channel_selection
209 #define DAC_Channel_1 ((uint32_t)0x00000000)
210 #define DAC_Channel_2 ((uint32_t)0x00000010)
212 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
213 ((CHANNEL) == DAC_Channel_2))
218 /** @defgroup DAC_data_alignement
222 #define DAC_Align_12b_R ((uint32_t)0x00000000)
223 #define DAC_Align_12b_L ((uint32_t)0x00000004)
224 #define DAC_Align_8b_R ((uint32_t)0x00000008)
226 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
227 ((ALIGN) == DAC_Align_12b_L) || \
228 ((ALIGN) == DAC_Align_8b_R))
233 /** @defgroup DAC_wave_generation
237 #define DAC_Wave_Noise ((uint32_t)0x00000040)
238 #define DAC_Wave_Triangle ((uint32_t)0x00000080)
240 #define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
241 ((WAVE) == DAC_Wave_Triangle))
246 /** @defgroup DAC_data
250 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
255 /** @defgroup DAC_interrupts_definition
258 #define DAC_IT_DMAUDR ((uint32_t)0x00002000)
259 #define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
265 /** @defgroup DAC_flags_definition
269 #define DAC_FLAG_DMAUDR ((uint32_t)0x00002000)
270 #define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
280 /* Exported macro ------------------------------------------------------------*/
281 /* Exported functions --------------------------------------------------------*/
283 /* Function used to set the DAC configuration to the default reset state *****/
284 void DAC_DeInit(DAC_TypeDef
* DACx
);
286 /* DAC channels configuration: trigger, output buffer, data format functions */
287 void DAC_Init(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, DAC_InitTypeDef
* DAC_InitStruct
);
288 void DAC_StructInit(DAC_InitTypeDef
* DAC_InitStruct
);
289 void DAC_Cmd(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, FunctionalState NewState
);
290 void DAC_SoftwareTriggerCmd(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, FunctionalState NewState
);
291 void DAC_DualSoftwareTriggerCmd(DAC_TypeDef
* DACx
, FunctionalState NewState
);
292 void DAC_WaveGenerationCmd(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_Wave
, FunctionalState NewState
);
293 void DAC_SetChannel1Data(DAC_TypeDef
* DACx
, uint32_t DAC_Align
, uint16_t Data
);
294 void DAC_SetChannel2Data(DAC_TypeDef
* DACx
, uint32_t DAC_Align
, uint16_t Data
);
295 void DAC_SetDualChannelData(DAC_TypeDef
* DACx
, uint32_t DAC_Align
, uint16_t Data2
, uint16_t Data1
);
296 uint16_t DAC_GetDataOutputValue(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
);
298 /* DMA management functions ***************************************************/
299 void DAC_DMACmd(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, FunctionalState NewState
);
301 /* Interrupts and flags management functions **********************************/
302 void DAC_ITConfig(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_IT
, FunctionalState NewState
);
303 FlagStatus
DAC_GetFlagStatus(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_FLAG
);
304 void DAC_ClearFlag(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_FLAG
);
305 ITStatus
DAC_GetITStatus(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_IT
);
306 void DAC_ClearITPendingBit(DAC_TypeDef
* DACx
, uint32_t DAC_Channel
, uint32_t DAC_IT
);
312 #endif /*__STM32F30x_DAC_H */
322 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/