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1 /**
2 ******************************************************************************
3 * @file stm32f30x_dma.h
4 * @author MCD Application Team
5 * @version V1.1.0
6 * @date 27-February-2014
7 * @brief This file contains all the functions prototypes for the DMA firmware
8 * library.
9 ******************************************************************************
10 * @attention
11 *
12 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 * 1. Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 *
36 ******************************************************************************
37 */
38
39 /* Define to prevent recursive inclusion -------------------------------------*/
40 #ifndef __STM32F30x_DMA_H
41 #define __STM32F30x_DMA_H
42
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46
47 /* Includes ------------------------------------------------------------------*/
48 #include "stm32f30x.h"
49
50 /** @addtogroup STM32F30x_StdPeriph_Driver
51 * @{
52 */
53
54 /** @addtogroup DMA
55 * @{
56 */
57
58 /* Exported types ------------------------------------------------------------*/
59
60 /**
61 * @brief DMA Init structures definition
62 */
63 typedef struct
64 {
65 uint32_t DMA_PeripheralBaseAddr; /*!< Specifies the peripheral base address for DMAy Channelx. */
66
67 uint32_t DMA_MemoryBaseAddr; /*!< Specifies the memory base address for DMAy Channelx. */
68
69 uint32_t DMA_DIR; /*!< Specifies if the peripheral is the source or destination.
70 This parameter can be a value of @ref DMA_data_transfer_direction */
71
72 uint16_t DMA_BufferSize; /*!< Specifies the buffer size, in data unit, of the specified Channel.
73 The data unit is equal to the configuration set in DMA_PeripheralDataSize
74 or DMA_MemoryDataSize members depending in the transfer direction. */
75
76 uint32_t DMA_PeripheralInc; /*!< Specifies whether the Peripheral address register is incremented or not.
77 This parameter can be a value of @ref DMA_peripheral_incremented_mode */
78
79 uint32_t DMA_MemoryInc; /*!< Specifies whether the memory address register is incremented or not.
80 This parameter can be a value of @ref DMA_memory_incremented_mode */
81
82 uint32_t DMA_PeripheralDataSize; /*!< Specifies the Peripheral data width.
83 This parameter can be a value of @ref DMA_peripheral_data_size */
84
85 uint32_t DMA_MemoryDataSize; /*!< Specifies the Memory data width.
86 This parameter can be a value of @ref DMA_memory_data_size */
87
88 uint32_t DMA_Mode; /*!< Specifies the operation mode of the DMAy Channelx.
89 This parameter can be a value of @ref DMA_circular_normal_mode
90 @note: The circular buffer mode cannot be used if the memory-to-memory
91 data transfer is configured on the selected Channel */
92
93 uint32_t DMA_Priority; /*!< Specifies the software priority for the DMAy Channelx.
94 This parameter can be a value of @ref DMA_priority_level */
95
96 uint32_t DMA_M2M; /*!< Specifies if the DMAy Channelx will be used in memory-to-memory transfer.
97 This parameter can be a value of @ref DMA_memory_to_memory */
98 }DMA_InitTypeDef;
99
100 /* Exported constants --------------------------------------------------------*/
101
102 /** @defgroup DMA_Exported_Constants
103 * @{
104 */
105
106 #define IS_DMA_ALL_PERIPH(PERIPH) (((PERIPH) == DMA1_Channel1) || \
107 ((PERIPH) == DMA1_Channel2) || \
108 ((PERIPH) == DMA1_Channel3) || \
109 ((PERIPH) == DMA1_Channel4) || \
110 ((PERIPH) == DMA1_Channel5) || \
111 ((PERIPH) == DMA1_Channel6) || \
112 ((PERIPH) == DMA1_Channel7) || \
113 ((PERIPH) == DMA2_Channel1) || \
114 ((PERIPH) == DMA2_Channel2) || \
115 ((PERIPH) == DMA2_Channel3) || \
116 ((PERIPH) == DMA2_Channel4) || \
117 ((PERIPH) == DMA2_Channel5))
118
119 /** @defgroup DMA_data_transfer_direction
120 * @{
121 */
122
123 #define DMA_DIR_PeripheralSRC ((uint32_t)0x00000000)
124 #define DMA_DIR_PeripheralDST DMA_CCR_DIR
125
126 #define IS_DMA_DIR(DIR) (((DIR) == DMA_DIR_PeripheralSRC) || \
127 ((DIR) == DMA_DIR_PeripheralDST))
128 /**
129 * @}
130 */
131
132
133 /** @defgroup DMA_peripheral_incremented_mode
134 * @{
135 */
136
137 #define DMA_PeripheralInc_Disable ((uint32_t)0x00000000)
138 #define DMA_PeripheralInc_Enable DMA_CCR_PINC
139
140 #define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PeripheralInc_Disable) || \
141 ((STATE) == DMA_PeripheralInc_Enable))
142 /**
143 * @}
144 */
145
146 /** @defgroup DMA_memory_incremented_mode
147 * @{
148 */
149
150 #define DMA_MemoryInc_Disable ((uint32_t)0x00000000)
151 #define DMA_MemoryInc_Enable DMA_CCR_MINC
152
153 #define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MemoryInc_Disable) || \
154 ((STATE) == DMA_MemoryInc_Enable))
155 /**
156 * @}
157 */
158
159 /** @defgroup DMA_peripheral_data_size
160 * @{
161 */
162
163 #define DMA_PeripheralDataSize_Byte ((uint32_t)0x00000000)
164 #define DMA_PeripheralDataSize_HalfWord DMA_CCR_PSIZE_0
165 #define DMA_PeripheralDataSize_Word DMA_CCR_PSIZE_1
166
167 #define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PeripheralDataSize_Byte) || \
168 ((SIZE) == DMA_PeripheralDataSize_HalfWord) || \
169 ((SIZE) == DMA_PeripheralDataSize_Word))
170 /**
171 * @}
172 */
173
174 /** @defgroup DMA_memory_data_size
175 * @{
176 */
177
178 #define DMA_MemoryDataSize_Byte ((uint32_t)0x00000000)
179 #define DMA_MemoryDataSize_HalfWord DMA_CCR_MSIZE_0
180 #define DMA_MemoryDataSize_Word DMA_CCR_MSIZE_1
181
182 #define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MemoryDataSize_Byte) || \
183 ((SIZE) == DMA_MemoryDataSize_HalfWord) || \
184 ((SIZE) == DMA_MemoryDataSize_Word))
185 /**
186 * @}
187 */
188
189 /** @defgroup DMA_circular_normal_mode
190 * @{
191 */
192
193 #define DMA_Mode_Normal ((uint32_t)0x00000000)
194 #define DMA_Mode_Circular DMA_CCR_CIRC
195
196 #define IS_DMA_MODE(MODE) (((MODE) == DMA_Mode_Normal) || ((MODE) == DMA_Mode_Circular))
197 /**
198 * @}
199 */
200
201 /** @defgroup DMA_priority_level
202 * @{
203 */
204
205 #define DMA_Priority_VeryHigh DMA_CCR_PL
206 #define DMA_Priority_High DMA_CCR_PL_1
207 #define DMA_Priority_Medium DMA_CCR_PL_0
208 #define DMA_Priority_Low ((uint32_t)0x00000000)
209
210 #define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_Priority_VeryHigh) || \
211 ((PRIORITY) == DMA_Priority_High) || \
212 ((PRIORITY) == DMA_Priority_Medium) || \
213 ((PRIORITY) == DMA_Priority_Low))
214 /**
215 * @}
216 */
217
218 /** @defgroup DMA_memory_to_memory
219 * @{
220 */
221
222 #define DMA_M2M_Disable ((uint32_t)0x00000000)
223 #define DMA_M2M_Enable DMA_CCR_MEM2MEM
224
225 #define IS_DMA_M2M_STATE(STATE) (((STATE) == DMA_M2M_Disable) || ((STATE) == DMA_M2M_Enable))
226
227 /**
228 * @}
229 */
230
231 /** @defgroup DMA_interrupts_definition
232 * @{
233 */
234
235 #define DMA_IT_TC ((uint32_t)0x00000002)
236 #define DMA_IT_HT ((uint32_t)0x00000004)
237 #define DMA_IT_TE ((uint32_t)0x00000008)
238 #define IS_DMA_CONFIG_IT(IT) ((((IT) & 0xFFFFFFF1) == 0x00) && ((IT) != 0x00))
239
240 #define DMA1_IT_GL1 ((uint32_t)0x00000001)
241 #define DMA1_IT_TC1 ((uint32_t)0x00000002)
242 #define DMA1_IT_HT1 ((uint32_t)0x00000004)
243 #define DMA1_IT_TE1 ((uint32_t)0x00000008)
244 #define DMA1_IT_GL2 ((uint32_t)0x00000010)
245 #define DMA1_IT_TC2 ((uint32_t)0x00000020)
246 #define DMA1_IT_HT2 ((uint32_t)0x00000040)
247 #define DMA1_IT_TE2 ((uint32_t)0x00000080)
248 #define DMA1_IT_GL3 ((uint32_t)0x00000100)
249 #define DMA1_IT_TC3 ((uint32_t)0x00000200)
250 #define DMA1_IT_HT3 ((uint32_t)0x00000400)
251 #define DMA1_IT_TE3 ((uint32_t)0x00000800)
252 #define DMA1_IT_GL4 ((uint32_t)0x00001000)
253 #define DMA1_IT_TC4 ((uint32_t)0x00002000)
254 #define DMA1_IT_HT4 ((uint32_t)0x00004000)
255 #define DMA1_IT_TE4 ((uint32_t)0x00008000)
256 #define DMA1_IT_GL5 ((uint32_t)0x00010000)
257 #define DMA1_IT_TC5 ((uint32_t)0x00020000)
258 #define DMA1_IT_HT5 ((uint32_t)0x00040000)
259 #define DMA1_IT_TE5 ((uint32_t)0x00080000)
260 #define DMA1_IT_GL6 ((uint32_t)0x00100000)
261 #define DMA1_IT_TC6 ((uint32_t)0x00200000)
262 #define DMA1_IT_HT6 ((uint32_t)0x00400000)
263 #define DMA1_IT_TE6 ((uint32_t)0x00800000)
264 #define DMA1_IT_GL7 ((uint32_t)0x01000000)
265 #define DMA1_IT_TC7 ((uint32_t)0x02000000)
266 #define DMA1_IT_HT7 ((uint32_t)0x04000000)
267 #define DMA1_IT_TE7 ((uint32_t)0x08000000)
268
269 #define DMA2_IT_GL1 ((uint32_t)0x10000001)
270 #define DMA2_IT_TC1 ((uint32_t)0x10000002)
271 #define DMA2_IT_HT1 ((uint32_t)0x10000004)
272 #define DMA2_IT_TE1 ((uint32_t)0x10000008)
273 #define DMA2_IT_GL2 ((uint32_t)0x10000010)
274 #define DMA2_IT_TC2 ((uint32_t)0x10000020)
275 #define DMA2_IT_HT2 ((uint32_t)0x10000040)
276 #define DMA2_IT_TE2 ((uint32_t)0x10000080)
277 #define DMA2_IT_GL3 ((uint32_t)0x10000100)
278 #define DMA2_IT_TC3 ((uint32_t)0x10000200)
279 #define DMA2_IT_HT3 ((uint32_t)0x10000400)
280 #define DMA2_IT_TE3 ((uint32_t)0x10000800)
281 #define DMA2_IT_GL4 ((uint32_t)0x10001000)
282 #define DMA2_IT_TC4 ((uint32_t)0x10002000)
283 #define DMA2_IT_HT4 ((uint32_t)0x10004000)
284 #define DMA2_IT_TE4 ((uint32_t)0x10008000)
285 #define DMA2_IT_GL5 ((uint32_t)0x10010000)
286 #define DMA2_IT_TC5 ((uint32_t)0x10020000)
287 #define DMA2_IT_HT5 ((uint32_t)0x10040000)
288 #define DMA2_IT_TE5 ((uint32_t)0x10080000)
289
290 #define IS_DMA_CLEAR_IT(IT) (((((IT) & 0xF0000000) == 0x00) || (((IT) & 0xEFF00000) == 0x00)) && ((IT) != 0x00))
291
292 #define IS_DMA_GET_IT(IT) (((IT) == DMA1_IT_GL1) || ((IT) == DMA1_IT_TC1) || \
293 ((IT) == DMA1_IT_HT1) || ((IT) == DMA1_IT_TE1) || \
294 ((IT) == DMA1_IT_GL2) || ((IT) == DMA1_IT_TC2) || \
295 ((IT) == DMA1_IT_HT2) || ((IT) == DMA1_IT_TE2) || \
296 ((IT) == DMA1_IT_GL3) || ((IT) == DMA1_IT_TC3) || \
297 ((IT) == DMA1_IT_HT3) || ((IT) == DMA1_IT_TE3) || \
298 ((IT) == DMA1_IT_GL4) || ((IT) == DMA1_IT_TC4) || \
299 ((IT) == DMA1_IT_HT4) || ((IT) == DMA1_IT_TE4) || \
300 ((IT) == DMA1_IT_GL5) || ((IT) == DMA1_IT_TC5) || \
301 ((IT) == DMA1_IT_HT5) || ((IT) == DMA1_IT_TE5) || \
302 ((IT) == DMA1_IT_GL6) || ((IT) == DMA1_IT_TC6) || \
303 ((IT) == DMA1_IT_HT6) || ((IT) == DMA1_IT_TE6) || \
304 ((IT) == DMA1_IT_GL7) || ((IT) == DMA1_IT_TC7) || \
305 ((IT) == DMA1_IT_HT7) || ((IT) == DMA1_IT_TE7) || \
306 ((IT) == DMA2_IT_GL1) || ((IT) == DMA2_IT_TC1) || \
307 ((IT) == DMA2_IT_HT1) || ((IT) == DMA2_IT_TE1) || \
308 ((IT) == DMA2_IT_GL2) || ((IT) == DMA2_IT_TC2) || \
309 ((IT) == DMA2_IT_HT2) || ((IT) == DMA2_IT_TE2) || \
310 ((IT) == DMA2_IT_GL3) || ((IT) == DMA2_IT_TC3) || \
311 ((IT) == DMA2_IT_HT3) || ((IT) == DMA2_IT_TE3) || \
312 ((IT) == DMA2_IT_GL4) || ((IT) == DMA2_IT_TC4) || \
313 ((IT) == DMA2_IT_HT4) || ((IT) == DMA2_IT_TE4) || \
314 ((IT) == DMA2_IT_GL5) || ((IT) == DMA2_IT_TC5) || \
315 ((IT) == DMA2_IT_HT5) || ((IT) == DMA2_IT_TE5))
316
317 /**
318 * @}
319 */
320
321 /** @defgroup DMA_flags_definition
322 * @{
323 */
324
325 #define DMA1_FLAG_GL1 ((uint32_t)0x00000001)
326 #define DMA1_FLAG_TC1 ((uint32_t)0x00000002)
327 #define DMA1_FLAG_HT1 ((uint32_t)0x00000004)
328 #define DMA1_FLAG_TE1 ((uint32_t)0x00000008)
329 #define DMA1_FLAG_GL2 ((uint32_t)0x00000010)
330 #define DMA1_FLAG_TC2 ((uint32_t)0x00000020)
331 #define DMA1_FLAG_HT2 ((uint32_t)0x00000040)
332 #define DMA1_FLAG_TE2 ((uint32_t)0x00000080)
333 #define DMA1_FLAG_GL3 ((uint32_t)0x00000100)
334 #define DMA1_FLAG_TC3 ((uint32_t)0x00000200)
335 #define DMA1_FLAG_HT3 ((uint32_t)0x00000400)
336 #define DMA1_FLAG_TE3 ((uint32_t)0x00000800)
337 #define DMA1_FLAG_GL4 ((uint32_t)0x00001000)
338 #define DMA1_FLAG_TC4 ((uint32_t)0x00002000)
339 #define DMA1_FLAG_HT4 ((uint32_t)0x00004000)
340 #define DMA1_FLAG_TE4 ((uint32_t)0x00008000)
341 #define DMA1_FLAG_GL5 ((uint32_t)0x00010000)
342 #define DMA1_FLAG_TC5 ((uint32_t)0x00020000)
343 #define DMA1_FLAG_HT5 ((uint32_t)0x00040000)
344 #define DMA1_FLAG_TE5 ((uint32_t)0x00080000)
345 #define DMA1_FLAG_GL6 ((uint32_t)0x00100000)
346 #define DMA1_FLAG_TC6 ((uint32_t)0x00200000)
347 #define DMA1_FLAG_HT6 ((uint32_t)0x00400000)
348 #define DMA1_FLAG_TE6 ((uint32_t)0x00800000)
349 #define DMA1_FLAG_GL7 ((uint32_t)0x01000000)
350 #define DMA1_FLAG_TC7 ((uint32_t)0x02000000)
351 #define DMA1_FLAG_HT7 ((uint32_t)0x04000000)
352 #define DMA1_FLAG_TE7 ((uint32_t)0x08000000)
353
354 #define DMA2_FLAG_GL1 ((uint32_t)0x10000001)
355 #define DMA2_FLAG_TC1 ((uint32_t)0x10000002)
356 #define DMA2_FLAG_HT1 ((uint32_t)0x10000004)
357 #define DMA2_FLAG_TE1 ((uint32_t)0x10000008)
358 #define DMA2_FLAG_GL2 ((uint32_t)0x10000010)
359 #define DMA2_FLAG_TC2 ((uint32_t)0x10000020)
360 #define DMA2_FLAG_HT2 ((uint32_t)0x10000040)
361 #define DMA2_FLAG_TE2 ((uint32_t)0x10000080)
362 #define DMA2_FLAG_GL3 ((uint32_t)0x10000100)
363 #define DMA2_FLAG_TC3 ((uint32_t)0x10000200)
364 #define DMA2_FLAG_HT3 ((uint32_t)0x10000400)
365 #define DMA2_FLAG_TE3 ((uint32_t)0x10000800)
366 #define DMA2_FLAG_GL4 ((uint32_t)0x10001000)
367 #define DMA2_FLAG_TC4 ((uint32_t)0x10002000)
368 #define DMA2_FLAG_HT4 ((uint32_t)0x10004000)
369 #define DMA2_FLAG_TE4 ((uint32_t)0x10008000)
370 #define DMA2_FLAG_GL5 ((uint32_t)0x10010000)
371 #define DMA2_FLAG_TC5 ((uint32_t)0x10020000)
372 #define DMA2_FLAG_HT5 ((uint32_t)0x10040000)
373 #define DMA2_FLAG_TE5 ((uint32_t)0x10080000)
374
375 #define IS_DMA_CLEAR_FLAG(FLAG) (((((FLAG) & 0xF0000000) == 0x00) || (((FLAG) & 0xEFF00000) == 0x00)) && ((FLAG) != 0x00))
376
377 #define IS_DMA_GET_FLAG(FLAG) (((FLAG) == DMA1_FLAG_GL1) || ((FLAG) == DMA1_FLAG_TC1) || \
378 ((FLAG) == DMA1_FLAG_HT1) || ((FLAG) == DMA1_FLAG_TE1) || \
379 ((FLAG) == DMA1_FLAG_GL2) || ((FLAG) == DMA1_FLAG_TC2) || \
380 ((FLAG) == DMA1_FLAG_HT2) || ((FLAG) == DMA1_FLAG_TE2) || \
381 ((FLAG) == DMA1_FLAG_GL3) || ((FLAG) == DMA1_FLAG_TC3) || \
382 ((FLAG) == DMA1_FLAG_HT3) || ((FLAG) == DMA1_FLAG_TE3) || \
383 ((FLAG) == DMA1_FLAG_GL4) || ((FLAG) == DMA1_FLAG_TC4) || \
384 ((FLAG) == DMA1_FLAG_HT4) || ((FLAG) == DMA1_FLAG_TE4) || \
385 ((FLAG) == DMA1_FLAG_GL5) || ((FLAG) == DMA1_FLAG_TC5) || \
386 ((FLAG) == DMA1_FLAG_HT5) || ((FLAG) == DMA1_FLAG_TE5) || \
387 ((FLAG) == DMA1_FLAG_GL6) || ((FLAG) == DMA1_FLAG_TC6) || \
388 ((FLAG) == DMA1_FLAG_HT6) || ((FLAG) == DMA1_FLAG_TE6) || \
389 ((FLAG) == DMA1_FLAG_GL7) || ((FLAG) == DMA1_FLAG_TC7) || \
390 ((FLAG) == DMA1_FLAG_HT7) || ((FLAG) == DMA1_FLAG_TE7) || \
391 ((FLAG) == DMA2_FLAG_GL1) || ((FLAG) == DMA2_FLAG_TC1) || \
392 ((FLAG) == DMA2_FLAG_HT1) || ((FLAG) == DMA2_FLAG_TE1) || \
393 ((FLAG) == DMA2_FLAG_GL2) || ((FLAG) == DMA2_FLAG_TC2) || \
394 ((FLAG) == DMA2_FLAG_HT2) || ((FLAG) == DMA2_FLAG_TE2) || \
395 ((FLAG) == DMA2_FLAG_GL3) || ((FLAG) == DMA2_FLAG_TC3) || \
396 ((FLAG) == DMA2_FLAG_HT3) || ((FLAG) == DMA2_FLAG_TE3) || \
397 ((FLAG) == DMA2_FLAG_GL4) || ((FLAG) == DMA2_FLAG_TC4) || \
398 ((FLAG) == DMA2_FLAG_HT4) || ((FLAG) == DMA2_FLAG_TE4) || \
399 ((FLAG) == DMA2_FLAG_GL5) || ((FLAG) == DMA2_FLAG_TC5) || \
400 ((FLAG) == DMA2_FLAG_HT5) || ((FLAG) == DMA2_FLAG_TE5))
401
402 /**
403 * @}
404 */
405
406 /**
407 * @}
408 */
409
410 /* Exported macro ------------------------------------------------------------*/
411 /* Exported functions ------------------------------------------------------- */
412
413 /* Function used to set the DMA configuration to the default reset state ******/
414 void DMA_DeInit(DMA_Channel_TypeDef* DMAy_Channelx);
415
416 /* Initialization and Configuration functions *********************************/
417 void DMA_Init(DMA_Channel_TypeDef* DMAy_Channelx, DMA_InitTypeDef* DMA_InitStruct);
418 void DMA_StructInit(DMA_InitTypeDef* DMA_InitStruct);
419 void DMA_Cmd(DMA_Channel_TypeDef* DMAy_Channelx, FunctionalState NewState);
420
421 /* Data Counter functions******************************************************/
422 void DMA_SetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx, uint16_t DataNumber);
423 uint16_t DMA_GetCurrDataCounter(DMA_Channel_TypeDef* DMAy_Channelx);
424
425 /* Interrupts and flags management functions **********************************/
426 void DMA_ITConfig(DMA_Channel_TypeDef* DMAy_Channelx, uint32_t DMA_IT, FunctionalState NewState);
427 FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG);
428 void DMA_ClearFlag(uint32_t DMAy_FLAG);
429 ITStatus DMA_GetITStatus(uint32_t DMAy_IT);
430 void DMA_ClearITPendingBit(uint32_t DMAy_IT);
431
432 #ifdef __cplusplus
433 }
434 #endif
435
436 #endif /*__STM32F30x_DMA_H */
437
438 /**
439 * @}
440 */
441
442 /**
443 * @}
444 */
445
446 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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