1 /**
2   ******************************************************************************
3   * @file    stm32f10x_dac.h
4   * @author  MCD Application Team
5   * @version V3.1.2
6   * @date    09/28/2009
7   * @brief   This file contains all the functions prototypes for the DAC firmware
8   *          library.
9   ******************************************************************************
10   * @copy
11   *
12   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
13   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
14   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
15   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
16   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
17   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
18   *
19   * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
20   */
21 
22 /* Define to prevent recursive inclusion -------------------------------------*/
23 #ifndef __STM32F10x_DAC_H
24 #define __STM32F10x_DAC_H
25 
26 #ifdef __cplusplus
27  extern "C" {
28 #endif
29 
30 /* Includes ------------------------------------------------------------------*/
31 #include "stm32f10x.h"
32 
33 /** @addtogroup STM32F10x_StdPeriph_Driver
34   * @{
35   */
36 
37 /** @addtogroup DAC
38   * @{
39   */
40 
41 /** @defgroup DAC_Exported_Types
42   * @{
43   */
44 
45 /**
46   * @brief  DAC Init structure definition
47   */
48 
49 typedef struct
50 {
51   uint32_t DAC_Trigger;                      /*!< Specifies the external trigger for the selected DAC channel.
52                                                   This parameter can be a value of @ref DAC_trigger_selection */
53 
54   uint32_t DAC_WaveGeneration;               /*!< Specifies whether DAC channel noise waves or triangle waves
55                                                   are generated, or whether no wave is generated.
56                                                   This parameter can be a value of @ref DAC_wave_generation */
57 
58   uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
59                                                   the maximum amplitude triangle generation for the DAC channel.
60                                                   This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */
61 
62   uint32_t DAC_OutputBuffer;                 /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
63                                                   This parameter can be a value of @ref DAC_output_buffer */
64 }DAC_InitTypeDef;
65 
66 /**
67   * @}
68   */
69 
70 /** @defgroup DAC_Exported_Constants
71   * @{
72   */
73 
74 /** @defgroup DAC_trigger_selection
75   * @{
76   */
77 
78 #define DAC_Trigger_None                   ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
79                                                                        has been loaded, and not by external trigger */
80 #define DAC_Trigger_T6_TRGO                ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
81 #define DAC_Trigger_T8_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
82                                                                        only in High-density devices*/
83 #define DAC_Trigger_T3_TRGO                ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
84                                                                        only in Connectivity line devices */
85 #define DAC_Trigger_T7_TRGO                ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
86 #define DAC_Trigger_T5_TRGO                ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */
87 #define DAC_Trigger_T2_TRGO                ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
88 #define DAC_Trigger_T4_TRGO                ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
89 #define DAC_Trigger_Ext_IT9                ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
90 #define DAC_Trigger_Software               ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */
91 
92 #define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
93                                  ((TRIGGER) == DAC_Trigger_T6_TRGO) || \
94                                  ((TRIGGER) == DAC_Trigger_T8_TRGO) || \
95                                  ((TRIGGER) == DAC_Trigger_T7_TRGO) || \
96                                  ((TRIGGER) == DAC_Trigger_T5_TRGO) || \
97                                  ((TRIGGER) == DAC_Trigger_T2_TRGO) || \
98                                  ((TRIGGER) == DAC_Trigger_T4_TRGO) || \
99                                  ((TRIGGER) == DAC_Trigger_Ext_IT9) || \
100                                  ((TRIGGER) == DAC_Trigger_Software))
101 
102 /**
103   * @}
104   */
105 
106 /** @defgroup DAC_wave_generation
107   * @{
108   */
109 
110 #define DAC_WaveGeneration_None            ((uint32_t)0x00000000)
111 #define DAC_WaveGeneration_Noise           ((uint32_t)0x00000040)
112 #define DAC_WaveGeneration_Triangle        ((uint32_t)0x00000080)
113 #define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
114                                     ((WAVE) == DAC_WaveGeneration_Noise) || \
115                                     ((WAVE) == DAC_WaveGeneration_Triangle))
116 /**
117   * @}
118   */
119 
120 /** @defgroup DAC_lfsrunmask_triangleamplitude
121   * @{
122   */
123 
124 #define DAC_LFSRUnmask_Bit0                ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
125 #define DAC_LFSRUnmask_Bits1_0             ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
126 #define DAC_LFSRUnmask_Bits2_0             ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
127 #define DAC_LFSRUnmask_Bits3_0             ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
128 #define DAC_LFSRUnmask_Bits4_0             ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
129 #define DAC_LFSRUnmask_Bits5_0             ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
130 #define DAC_LFSRUnmask_Bits6_0             ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
131 #define DAC_LFSRUnmask_Bits7_0             ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
132 #define DAC_LFSRUnmask_Bits8_0             ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
133 #define DAC_LFSRUnmask_Bits9_0             ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
134 #define DAC_LFSRUnmask_Bits10_0            ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
135 #define DAC_LFSRUnmask_Bits11_0            ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
136 #define DAC_TriangleAmplitude_1            ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
137 #define DAC_TriangleAmplitude_3            ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
138 #define DAC_TriangleAmplitude_7            ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
139 #define DAC_TriangleAmplitude_15           ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
140 #define DAC_TriangleAmplitude_31           ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
141 #define DAC_TriangleAmplitude_63           ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
142 #define DAC_TriangleAmplitude_127          ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
143 #define DAC_TriangleAmplitude_255          ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
144 #define DAC_TriangleAmplitude_511          ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
145 #define DAC_TriangleAmplitude_1023         ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
146 #define DAC_TriangleAmplitude_2047         ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
147 #define DAC_TriangleAmplitude_4095         ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
148 
149 #define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
150                                                       ((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
151                                                       ((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
152                                                       ((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
153                                                       ((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
154                                                       ((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
155                                                       ((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
156                                                       ((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
157                                                       ((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
158                                                       ((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
159                                                       ((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
160                                                       ((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
161                                                       ((VALUE) == DAC_TriangleAmplitude_1) || \
162                                                       ((VALUE) == DAC_TriangleAmplitude_3) || \
163                                                       ((VALUE) == DAC_TriangleAmplitude_7) || \
164                                                       ((VALUE) == DAC_TriangleAmplitude_15) || \
165                                                       ((VALUE) == DAC_TriangleAmplitude_31) || \
166                                                       ((VALUE) == DAC_TriangleAmplitude_63) || \
167                                                       ((VALUE) == DAC_TriangleAmplitude_127) || \
168                                                       ((VALUE) == DAC_TriangleAmplitude_255) || \
169                                                       ((VALUE) == DAC_TriangleAmplitude_511) || \
170                                                       ((VALUE) == DAC_TriangleAmplitude_1023) || \
171                                                       ((VALUE) == DAC_TriangleAmplitude_2047) || \
172                                                       ((VALUE) == DAC_TriangleAmplitude_4095))
173 /**
174   * @}
175   */
176 
177 /** @defgroup DAC_output_buffer
178   * @{
179   */
180 
181 #define DAC_OutputBuffer_Enable            ((uint32_t)0x00000000)
182 #define DAC_OutputBuffer_Disable           ((uint32_t)0x00000002)
183 #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
184                                            ((STATE) == DAC_OutputBuffer_Disable))
185 /**
186   * @}
187   */
188 
189 /** @defgroup DAC_Channel_selection
190   * @{
191   */
192 
193 #define DAC_Channel_1                      ((uint32_t)0x00000000)
194 #define DAC_Channel_2                      ((uint32_t)0x00000010)
195 #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
196                                  ((CHANNEL) == DAC_Channel_2))
197 /**
198   * @}
199   */
200 
201 /** @defgroup DAC_data_alignement
202   * @{
203   */
204 
205 #define DAC_Align_12b_R                    ((uint32_t)0x00000000)
206 #define DAC_Align_12b_L                    ((uint32_t)0x00000004)
207 #define DAC_Align_8b_R                     ((uint32_t)0x00000008)
208 #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
209                              ((ALIGN) == DAC_Align_12b_L) || \
210                              ((ALIGN) == DAC_Align_8b_R))
211 /**
212   * @}
213   */
214 
215 /** @defgroup DAC_wave_generation
216   * @{
217   */
218 
219 #define DAC_Wave_Noise                     ((uint32_t)0x00000040)
220 #define DAC_Wave_Triangle                  ((uint32_t)0x00000080)
221 #define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
222                            ((WAVE) == DAC_Wave_Triangle))
223 /**
224   * @}
225   */
226 
227 /** @defgroup DAC_data
228   * @{
229   */
230 
231 #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
232 /**
233   * @}
234   */
235 
236 /**
237   * @}
238   */
239 
240 /** @defgroup DAC_Exported_Macros
241   * @{
242   */
243 
244 /**
245   * @}
246   */
247 
248 /** @defgroup DAC_Exported_Functions
249   * @{
250   */
251 
252 void DAC_DeInit(void);
253 void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
254 void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
255 void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
256 void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
257 void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
258 void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);
259 void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);
260 void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
261 void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);
262 void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);
263 uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
264 
265 #ifdef __cplusplus
266 }
267 #endif
268 
269 #endif /*__STM32F10x_DAC_H */
270 /**
271   * @}
272   */
273 
274 /**
275   * @}
276   */
277 
278 /**
279   * @}
280   */
281 
282 /******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
283