1 /**
2   ******************************************************************************
3   * @file    stm32f4xx_hal_ltdc.h
4   * @author  MCD Application Team
5   * @brief   Header file of LTDC HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32F4xx_HAL_LTDC_H
21 #define STM32F4xx_HAL_LTDC_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f4xx_hal_def.h"
29 
30 #if defined (LTDC)
31 
32 /** @addtogroup STM32F4xx_HAL_Driver
33   * @{
34   */
35 
36 /** @defgroup LTDC LTDC
37   * @brief LTDC HAL module driver
38   * @{
39   */
40 
41 /* Exported types ------------------------------------------------------------*/
42 /** @defgroup LTDC_Exported_Types LTDC Exported Types
43   * @{
44   */
45 #define MAX_LAYER  2U
46 
47 /**
48   * @brief  LTDC color structure definition
49   */
50 typedef struct
51 {
52   uint8_t Blue;                    /*!< Configures the blue value.
53                                         This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF. */
54 
55   uint8_t Green;                   /*!< Configures the green value.
56                                         This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF. */
57 
58   uint8_t Red;                     /*!< Configures the red value.
59                                         This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF. */
60 
61   uint8_t Reserved;                /*!< Reserved 0xFF */
62 } LTDC_ColorTypeDef;
63 
64 /**
65   * @brief  LTDC Init structure definition
66   */
67 typedef struct
68 {
69   uint32_t            HSPolarity;                /*!< configures the horizontal synchronization polarity.
70                                                       This parameter can be one value of @ref LTDC_HS_POLARITY */
71 
72   uint32_t            VSPolarity;                /*!< configures the vertical synchronization polarity.
73                                                       This parameter can be one value of @ref LTDC_VS_POLARITY */
74 
75   uint32_t            DEPolarity;                /*!< configures the data enable polarity.
76                                                       This parameter can be one of value of @ref LTDC_DE_POLARITY */
77 
78   uint32_t            PCPolarity;                /*!< configures the pixel clock polarity.
79                                                       This parameter can be one of value of @ref LTDC_PC_POLARITY */
80 
81   uint32_t            HorizontalSync;            /*!< configures the number of Horizontal synchronization width.
82                                                       This parameter must be a number between
83                                                       Min_Data = 0x000 and Max_Data = 0xFFF. */
84 
85   uint32_t            VerticalSync;              /*!< configures the number of Vertical synchronization height.
86                                                       This parameter must be a number between
87                                                       Min_Data = 0x000 and Max_Data = 0x7FF. */
88 
89   uint32_t            AccumulatedHBP;            /*!< configures the accumulated horizontal back porch width.
90                                                       This parameter must be a number between
91                                                       Min_Data = LTDC_HorizontalSync and Max_Data = 0xFFF. */
92 
93   uint32_t            AccumulatedVBP;            /*!< configures the accumulated vertical back porch height.
94                                                       This parameter must be a number between
95                                                       Min_Data = LTDC_VerticalSync and Max_Data = 0x7FF. */
96 
97   uint32_t            AccumulatedActiveW;        /*!< configures the accumulated active width.
98                                                       This parameter must be a number between
99                                                       Min_Data = LTDC_AccumulatedHBP and Max_Data = 0xFFF. */
100 
101   uint32_t            AccumulatedActiveH;        /*!< configures the accumulated active height.
102                                                       This parameter must be a number between
103                                                       Min_Data = LTDC_AccumulatedVBP and Max_Data = 0x7FF. */
104 
105   uint32_t            TotalWidth;                /*!< configures the total width.
106                                                       This parameter must be a number between
107                                                       Min_Data = LTDC_AccumulatedActiveW and Max_Data = 0xFFF. */
108 
109   uint32_t            TotalHeigh;                /*!< configures the total height.
110                                                       This parameter must be a number between
111                                                       Min_Data = LTDC_AccumulatedActiveH and Max_Data = 0x7FF. */
112 
113   LTDC_ColorTypeDef   Backcolor;                 /*!< Configures the background color. */
114 } LTDC_InitTypeDef;
115 
116 /**
117   * @brief  LTDC Layer structure definition
118   */
119 typedef struct
120 {
121   uint32_t WindowX0;                   /*!< Configures the Window Horizontal Start Position.
122                                             This parameter must be a number between
123                                             Min_Data = 0x000 and Max_Data = 0xFFF. */
124 
125   uint32_t WindowX1;                   /*!< Configures the Window Horizontal Stop Position.
126                                             This parameter must be a number between
127                                             Min_Data = 0x000 and Max_Data = 0xFFF. */
128 
129   uint32_t WindowY0;                   /*!< Configures the Window vertical Start Position.
130                                             This parameter must be a number between
131                                             Min_Data = 0x000 and Max_Data = 0x7FF. */
132 
133   uint32_t WindowY1;                   /*!< Configures the Window vertical Stop Position.
134                                             This parameter must be a number between
135                                             Min_Data = 0x0000 and Max_Data = 0x7FF. */
136 
137   uint32_t PixelFormat;                /*!< Specifies the pixel format.
138                                             This parameter can be one of value of @ref LTDC_Pixelformat */
139 
140   uint32_t Alpha;                      /*!< Specifies the constant alpha used for blending.
141                                             This parameter must be a number between
142                                             Min_Data = 0x00 and Max_Data = 0xFF. */
143 
144   uint32_t Alpha0;                     /*!< Configures the default alpha value.
145                                             This parameter must be a number between
146                                             Min_Data = 0x00 and Max_Data = 0xFF. */
147 
148   uint32_t BlendingFactor1;            /*!< Select the blending factor 1.
149                                             This parameter can be one of value of @ref LTDC_BlendingFactor1 */
150 
151   uint32_t BlendingFactor2;            /*!< Select the blending factor 2.
152                                             This parameter can be one of value of @ref LTDC_BlendingFactor2 */
153 
154   uint32_t FBStartAdress;              /*!< Configures the color frame buffer address */
155 
156   uint32_t ImageWidth;                 /*!< Configures the color frame buffer line length.
157                                             This parameter must be a number between
158                                             Min_Data = 0x0000 and Max_Data = 0x1FFF. */
159 
160   uint32_t ImageHeight;                /*!< Specifies the number of line in frame buffer.
161                                             This parameter must be a number between
162                                             Min_Data = 0x000 and Max_Data = 0x7FF. */
163 
164   LTDC_ColorTypeDef   Backcolor;       /*!< Configures the layer background color. */
165 } LTDC_LayerCfgTypeDef;
166 
167 /**
168   * @brief  HAL LTDC State structures definition
169   */
170 typedef enum
171 {
172   HAL_LTDC_STATE_RESET             = 0x00U,    /*!< LTDC not yet initialized or disabled */
173   HAL_LTDC_STATE_READY             = 0x01U,    /*!< LTDC initialized and ready for use   */
174   HAL_LTDC_STATE_BUSY              = 0x02U,    /*!< LTDC internal process is ongoing     */
175   HAL_LTDC_STATE_TIMEOUT           = 0x03U,    /*!< LTDC Timeout state                   */
176   HAL_LTDC_STATE_ERROR             = 0x04U     /*!< LTDC state error                     */
177 } HAL_LTDC_StateTypeDef;
178 
179 /**
180   * @brief  LTDC handle Structure definition
181   */
182 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
183 typedef struct __LTDC_HandleTypeDef
184 #else
185 typedef struct
186 #endif /* USE_HAL_LTDC_REGISTER_CALLBACKS */
187 {
188   LTDC_TypeDef                *Instance;                /*!< LTDC Register base address                */
189 
190   LTDC_InitTypeDef            Init;                     /*!< LTDC parameters                           */
191 
192   LTDC_LayerCfgTypeDef        LayerCfg[MAX_LAYER];      /*!< LTDC Layers parameters                    */
193 
194   HAL_LockTypeDef             Lock;                     /*!< LTDC Lock                                 */
195 
196   __IO HAL_LTDC_StateTypeDef  State;                    /*!< LTDC state                                */
197 
198   __IO uint32_t               ErrorCode;                /*!< LTDC Error code                           */
199 
200 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
201   void (* LineEventCallback)(struct __LTDC_HandleTypeDef *hltdc);     /*!< LTDC Line Event Callback    */
202   void (* ReloadEventCallback)(struct __LTDC_HandleTypeDef *hltdc);   /*!< LTDC Reload Event Callback  */
203   void (* ErrorCallback)(struct __LTDC_HandleTypeDef *hltdc);         /*!< LTDC Error Callback         */
204 
205   void (* MspInitCallback)(struct __LTDC_HandleTypeDef *hltdc);       /*!< LTDC Msp Init callback      */
206   void (* MspDeInitCallback)(struct __LTDC_HandleTypeDef *hltdc);     /*!< LTDC Msp DeInit callback    */
207 
208 #endif /* USE_HAL_LTDC_REGISTER_CALLBACKS */
209 
210 
211 } LTDC_HandleTypeDef;
212 
213 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
214 /**
215   * @brief  HAL LTDC Callback ID enumeration definition
216   */
217 typedef enum
218 {
219   HAL_LTDC_MSPINIT_CB_ID            = 0x00U,    /*!< LTDC MspInit callback ID       */
220   HAL_LTDC_MSPDEINIT_CB_ID          = 0x01U,    /*!< LTDC MspDeInit callback ID     */
221 
222   HAL_LTDC_LINE_EVENT_CB_ID         = 0x02U,    /*!< LTDC Line Event Callback ID    */
223   HAL_LTDC_RELOAD_EVENT_CB_ID       = 0x03U,    /*!< LTDC Reload Callback ID        */
224   HAL_LTDC_ERROR_CB_ID              = 0x04U     /*!< LTDC Error Callback ID         */
225 
226 } HAL_LTDC_CallbackIDTypeDef;
227 
228 /**
229   * @brief  HAL LTDC Callback pointer definition
230   */
231 typedef  void (*pLTDC_CallbackTypeDef)(LTDC_HandleTypeDef *hltdc);  /*!< pointer to an LTDC callback function */
232 
233 #endif /* USE_HAL_LTDC_REGISTER_CALLBACKS */
234 
235 /**
236   * @}
237   */
238 
239 /* Exported constants --------------------------------------------------------*/
240 /** @defgroup LTDC_Exported_Constants LTDC Exported Constants
241   * @{
242   */
243 
244 /** @defgroup LTDC_Error_Code LTDC Error Code
245   * @{
246   */
247 #define HAL_LTDC_ERROR_NONE               0x00000000U   /*!< LTDC No error             */
248 #define HAL_LTDC_ERROR_TE                 0x00000001U   /*!< LTDC Transfer error       */
249 #define HAL_LTDC_ERROR_FU                 0x00000002U   /*!< LTDC FIFO Underrun        */
250 #define HAL_LTDC_ERROR_TIMEOUT            0x00000020U   /*!< LTDC Timeout error        */
251 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
252 #define  HAL_LTDC_ERROR_INVALID_CALLBACK  0x00000040U   /*!< LTDC Invalid Callback error  */
253 #endif /* USE_HAL_LTDC_REGISTER_CALLBACKS */
254 /**
255   * @}
256   */
257 
258 /** @defgroup LTDC_Layer LTDC Layer
259   * @{
260   */
261 #define LTDC_LAYER_1                      0x00000000U   /*!< LTDC Layer 1 */
262 #define LTDC_LAYER_2                      0x00000001U   /*!< LTDC Layer 2 */
263 /**
264   * @}
265   */
266 
267 /** @defgroup LTDC_HS_POLARITY LTDC HS POLARITY
268   * @{
269   */
270 #define LTDC_HSPOLARITY_AL                0x00000000U   /*!< Horizontal Synchronization is active low. */
271 #define LTDC_HSPOLARITY_AH                LTDC_GCR_HSPOL            /*!< Horizontal Synchronization is active high. */
272 /**
273   * @}
274   */
275 
276 /** @defgroup LTDC_VS_POLARITY LTDC VS POLARITY
277   * @{
278   */
279 #define LTDC_VSPOLARITY_AL                0x00000000U   /*!< Vertical Synchronization is active low. */
280 #define LTDC_VSPOLARITY_AH                LTDC_GCR_VSPOL            /*!< Vertical Synchronization is active high. */
281 /**
282   * @}
283   */
284 
285 /** @defgroup LTDC_DE_POLARITY LTDC DE POLARITY
286   * @{
287   */
288 #define LTDC_DEPOLARITY_AL                0x00000000U   /*!< Data Enable, is active low. */
289 #define LTDC_DEPOLARITY_AH                LTDC_GCR_DEPOL            /*!< Data Enable, is active high. */
290 /**
291   * @}
292   */
293 
294 /** @defgroup LTDC_PC_POLARITY LTDC PC POLARITY
295   * @{
296   */
297 #define LTDC_PCPOLARITY_IPC               0x00000000U   /*!< input pixel clock. */
298 #define LTDC_PCPOLARITY_IIPC              LTDC_GCR_PCPOL            /*!< inverted input pixel clock. */
299 /**
300   * @}
301   */
302 
303 /** @defgroup LTDC_SYNC LTDC SYNC
304   * @{
305   */
306 #define LTDC_HORIZONTALSYNC               (LTDC_SSCR_HSW >> 16U)    /*!< Horizontal synchronization width. */
307 #define LTDC_VERTICALSYNC                 LTDC_SSCR_VSH             /*!< Vertical synchronization height. */
308 /**
309   * @}
310   */
311 
312 /** @defgroup LTDC_BACK_COLOR LTDC BACK COLOR
313   * @{
314   */
315 #define LTDC_COLOR                        0x000000FFU   /*!< Color mask */
316 /**
317   * @}
318   */
319 
320 /** @defgroup LTDC_BlendingFactor1 LTDC Blending Factor1
321   * @{
322   */
323 #define LTDC_BLENDING_FACTOR1_CA          0x00000400U   /*!< Blending factor : Cte Alpha */
324 #define LTDC_BLENDING_FACTOR1_PAxCA       0x00000600U   /*!< Blending factor : Cte Alpha x Pixel Alpha*/
325 /**
326   * @}
327   */
328 
329 /** @defgroup LTDC_BlendingFactor2 LTDC Blending Factor2
330   * @{
331   */
332 #define LTDC_BLENDING_FACTOR2_CA          0x00000005U   /*!< Blending factor : Cte Alpha */
333 #define LTDC_BLENDING_FACTOR2_PAxCA       0x00000007U   /*!< Blending factor : Cte Alpha x Pixel Alpha*/
334 /**
335   * @}
336   */
337 
338 /** @defgroup LTDC_Pixelformat LTDC Pixel format
339   * @{
340   */
341 #define LTDC_PIXEL_FORMAT_ARGB8888        0x00000000U   /*!< ARGB8888 LTDC pixel format */
342 #define LTDC_PIXEL_FORMAT_RGB888          0x00000001U   /*!< RGB888 LTDC pixel format   */
343 #define LTDC_PIXEL_FORMAT_RGB565          0x00000002U   /*!< RGB565 LTDC pixel format   */
344 #define LTDC_PIXEL_FORMAT_ARGB1555        0x00000003U   /*!< ARGB1555 LTDC pixel format */
345 #define LTDC_PIXEL_FORMAT_ARGB4444        0x00000004U   /*!< ARGB4444 LTDC pixel format */
346 #define LTDC_PIXEL_FORMAT_L8              0x00000005U   /*!< L8 LTDC pixel format       */
347 #define LTDC_PIXEL_FORMAT_AL44            0x00000006U   /*!< AL44 LTDC pixel format     */
348 #define LTDC_PIXEL_FORMAT_AL88            0x00000007U   /*!< AL88 LTDC pixel format     */
349 /**
350   * @}
351   */
352 
353 /** @defgroup LTDC_Alpha LTDC Alpha
354   * @{
355   */
356 #define LTDC_ALPHA                        LTDC_LxCACR_CONSTA        /*!< LTDC Constant Alpha mask */
357 /**
358   * @}
359   */
360 
361 /** @defgroup LTDC_LAYER_Config LTDC LAYER Config
362   * @{
363   */
364 #define LTDC_STOPPOSITION                 (LTDC_LxWHPCR_WHSPPOS >> 16U) /*!< LTDC Layer stop position  */
365 #define LTDC_STARTPOSITION                LTDC_LxWHPCR_WHSTPOS          /*!< LTDC Layer start position */
366 
367 #define LTDC_COLOR_FRAME_BUFFER           LTDC_LxCFBLR_CFBLL            /*!< LTDC Layer Line length    */
368 #define LTDC_LINE_NUMBER                  LTDC_LxCFBLNR_CFBLNBR         /*!< LTDC Layer Line number    */
369 /**
370   * @}
371   */
372 
373 /** @defgroup LTDC_Interrupts LTDC Interrupts
374   * @{
375   */
376 #define LTDC_IT_LI                        LTDC_IER_LIE              /*!< LTDC Line Interrupt            */
377 #define LTDC_IT_FU                        LTDC_IER_FUIE             /*!< LTDC FIFO Underrun Interrupt   */
378 #define LTDC_IT_TE                        LTDC_IER_TERRIE           /*!< LTDC Transfer Error Interrupt  */
379 #define LTDC_IT_RR                        LTDC_IER_RRIE             /*!< LTDC Register Reload Interrupt */
380 /**
381   * @}
382   */
383 
384 /** @defgroup LTDC_Flags LTDC Flags
385   * @{
386   */
387 #define LTDC_FLAG_LI                      LTDC_ISR_LIF              /*!< LTDC Line Interrupt Flag            */
388 #define LTDC_FLAG_FU                      LTDC_ISR_FUIF             /*!< LTDC FIFO Underrun interrupt Flag   */
389 #define LTDC_FLAG_TE                      LTDC_ISR_TERRIF           /*!< LTDC Transfer Error interrupt Flag  */
390 #define LTDC_FLAG_RR                      LTDC_ISR_RRIF             /*!< LTDC Register Reload interrupt Flag */
391 /**
392   * @}
393   */
394 
395 /** @defgroup LTDC_Reload_Type LTDC Reload Type
396   * @{
397   */
398 #define LTDC_RELOAD_IMMEDIATE             LTDC_SRCR_IMR             /*!< Immediate Reload */
399 #define LTDC_RELOAD_VERTICAL_BLANKING     LTDC_SRCR_VBR             /*!< Vertical Blanking Reload */
400 /**
401   * @}
402   */
403 
404 /**
405   * @}
406   */
407 
408 /* Exported macro ------------------------------------------------------------*/
409 /** @defgroup LTDC_Exported_Macros LTDC Exported Macros
410   * @{
411   */
412 
413 /** @brief Reset LTDC handle state.
414   * @param  __HANDLE__  LTDC handle
415   * @retval None
416   */
417 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
418 #define __HAL_LTDC_RESET_HANDLE_STATE(__HANDLE__) do{                                                 \
419                                                       (__HANDLE__)->State = HAL_LTDC_STATE_RESET;     \
420                                                       (__HANDLE__)->MspInitCallback = NULL;           \
421                                                       (__HANDLE__)->MspDeInitCallback = NULL;         \
422                                                     } while(0)
423 #else
424 #define __HAL_LTDC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_LTDC_STATE_RESET)
425 #endif /*USE_HAL_LTDC_REGISTER_CALLBACKS */
426 
427 /**
428   * @brief  Enable the LTDC.
429   * @param  __HANDLE__  LTDC handle
430   * @retval None.
431   */
432 #define __HAL_LTDC_ENABLE(__HANDLE__)    ((__HANDLE__)->Instance->GCR |= LTDC_GCR_LTDCEN)
433 
434 /**
435   * @brief  Disable the LTDC.
436   * @param  __HANDLE__  LTDC handle
437   * @retval None.
438   */
439 #define __HAL_LTDC_DISABLE(__HANDLE__)   ((__HANDLE__)->Instance->GCR &= ~(LTDC_GCR_LTDCEN))
440 
441 /**
442   * @brief  Enable the LTDC Layer.
443   * @param  __HANDLE__  LTDC handle
444   * @param  __LAYER__   Specify the layer to be enabled.
445   *                     This parameter can be LTDC_LAYER_1 (0) or LTDC_LAYER_2 (1).
446   * @retval None.
447   */
448 #define __HAL_LTDC_LAYER_ENABLE(__HANDLE__, __LAYER__)  ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR\
449                                                          |= (uint32_t)LTDC_LxCR_LEN)
450 
451 /**
452   * @brief  Disable the LTDC Layer.
453   * @param  __HANDLE__  LTDC handle
454   * @param  __LAYER__   Specify the layer to be disabled.
455   *                     This parameter can be LTDC_LAYER_1 (0) or LTDC_LAYER_2 (1).
456   * @retval None.
457   */
458 #define __HAL_LTDC_LAYER_DISABLE(__HANDLE__, __LAYER__) ((LTDC_LAYER((__HANDLE__), (__LAYER__)))->CR\
459                                                          &= ~(uint32_t)LTDC_LxCR_LEN)
460 
461 /**
462   * @brief  Reload immediately all LTDC Layers.
463   * @param  __HANDLE__  LTDC handle
464   * @retval None.
465   */
466 #define __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(__HANDLE__)  ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_IMR)
467 
468 /**
469   * @brief  Reload during vertical blanking period all LTDC Layers.
470   * @param  __HANDLE__  LTDC handle
471   * @retval None.
472   */
473 #define __HAL_LTDC_VERTICAL_BLANKING_RELOAD_CONFIG(__HANDLE__)  ((__HANDLE__)->Instance->SRCR |= LTDC_SRCR_VBR)
474 
475 /* Interrupt & Flag management */
476 /**
477   * @brief  Get the LTDC pending flags.
478   * @param  __HANDLE__  LTDC handle
479   * @param  __FLAG__    Get the specified flag.
480   *          This parameter can be any combination of the following values:
481   *            @arg LTDC_FLAG_LI: Line Interrupt flag
482   *            @arg LTDC_FLAG_FU: FIFO Underrun Interrupt flag
483   *            @arg LTDC_FLAG_TE: Transfer Error interrupt flag
484   *            @arg LTDC_FLAG_RR: Register Reload Interrupt Flag
485   * @retval The state of FLAG (SET or RESET).
486   */
487 #define __HAL_LTDC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__))
488 
489 /**
490   * @brief  Clears the LTDC pending flags.
491   * @param  __HANDLE__  LTDC handle
492   * @param  __FLAG__    Specify the flag to clear.
493   *          This parameter can be any combination of the following values:
494   *            @arg LTDC_FLAG_LI: Line Interrupt flag
495   *            @arg LTDC_FLAG_FU: FIFO Underrun Interrupt flag
496   *            @arg LTDC_FLAG_TE: Transfer Error interrupt flag
497   *            @arg LTDC_FLAG_RR: Register Reload Interrupt Flag
498   * @retval None
499   */
500 #define __HAL_LTDC_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__))
501 
502 /**
503   * @brief  Enables the specified LTDC interrupts.
504   * @param  __HANDLE__  LTDC handle
505   * @param __INTERRUPT__ Specify the LTDC interrupt sources to be enabled.
506   *          This parameter can be any combination of the following values:
507   *            @arg LTDC_IT_LI: Line Interrupt flag
508   *            @arg LTDC_IT_FU: FIFO Underrun Interrupt flag
509   *            @arg LTDC_IT_TE: Transfer Error interrupt flag
510   *            @arg LTDC_IT_RR: Register Reload Interrupt Flag
511   * @retval None
512   */
513 #define __HAL_LTDC_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
514 
515 /**
516   * @brief  Disables the specified LTDC interrupts.
517   * @param  __HANDLE__  LTDC handle
518   * @param __INTERRUPT__ Specify the LTDC interrupt sources to be disabled.
519   *          This parameter can be any combination of the following values:
520   *            @arg LTDC_IT_LI: Line Interrupt flag
521   *            @arg LTDC_IT_FU: FIFO Underrun Interrupt flag
522   *            @arg LTDC_IT_TE: Transfer Error interrupt flag
523   *            @arg LTDC_IT_RR: Register Reload Interrupt Flag
524   * @retval None
525   */
526 #define __HAL_LTDC_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= ~(__INTERRUPT__))
527 
528 /**
529   * @brief  Check whether the specified LTDC interrupt has occurred or not.
530   * @param  __HANDLE__  LTDC handle
531   * @param __INTERRUPT__ Specify the LTDC interrupt source to check.
532   *          This parameter can be one of the following values:
533   *            @arg LTDC_IT_LI: Line Interrupt flag
534   *            @arg LTDC_IT_FU: FIFO Underrun Interrupt flag
535   *            @arg LTDC_IT_TE: Transfer Error interrupt flag
536   *            @arg LTDC_IT_RR: Register Reload Interrupt Flag
537   * @retval The state of INTERRUPT (SET or RESET).
538   */
539 #define __HAL_LTDC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
540 /**
541   * @}
542   */
543 
544 /* Include LTDC HAL Extension module */
545 #include "stm32f4xx_hal_ltdc_ex.h"
546 
547 /* Exported functions --------------------------------------------------------*/
548 /** @addtogroup LTDC_Exported_Functions
549   * @{
550   */
551 /** @addtogroup LTDC_Exported_Functions_Group1
552   * @{
553   */
554 /* Initialization and de-initialization functions *****************************/
555 HAL_StatusTypeDef HAL_LTDC_Init(LTDC_HandleTypeDef *hltdc);
556 HAL_StatusTypeDef HAL_LTDC_DeInit(LTDC_HandleTypeDef *hltdc);
557 void HAL_LTDC_MspInit(LTDC_HandleTypeDef *hltdc);
558 void HAL_LTDC_MspDeInit(LTDC_HandleTypeDef *hltdc);
559 void HAL_LTDC_ErrorCallback(LTDC_HandleTypeDef *hltdc);
560 void HAL_LTDC_LineEventCallback(LTDC_HandleTypeDef *hltdc);
561 void HAL_LTDC_ReloadEventCallback(LTDC_HandleTypeDef *hltdc);
562 
563 /* Callbacks Register/UnRegister functions  ***********************************/
564 #if (USE_HAL_LTDC_REGISTER_CALLBACKS == 1)
565 HAL_StatusTypeDef HAL_LTDC_RegisterCallback(LTDC_HandleTypeDef *hltdc, HAL_LTDC_CallbackIDTypeDef CallbackID,
566                                             pLTDC_CallbackTypeDef pCallback);
567 HAL_StatusTypeDef HAL_LTDC_UnRegisterCallback(LTDC_HandleTypeDef *hltdc, HAL_LTDC_CallbackIDTypeDef CallbackID);
568 #endif /* USE_HAL_LTDC_REGISTER_CALLBACKS */
569 
570 /**
571   * @}
572   */
573 
574 /** @addtogroup LTDC_Exported_Functions_Group2
575   * @{
576   */
577 /* IO operation functions *****************************************************/
578 void  HAL_LTDC_IRQHandler(LTDC_HandleTypeDef *hltdc);
579 /**
580   * @}
581   */
582 
583 /** @addtogroup LTDC_Exported_Functions_Group3
584   * @{
585   */
586 /* Peripheral Control functions ***********************************************/
587 HAL_StatusTypeDef HAL_LTDC_ConfigLayer(LTDC_HandleTypeDef *hltdc, LTDC_LayerCfgTypeDef *pLayerCfg, uint32_t LayerIdx);
588 HAL_StatusTypeDef HAL_LTDC_SetWindowSize(LTDC_HandleTypeDef *hltdc, uint32_t XSize, uint32_t YSize, uint32_t LayerIdx);
589 HAL_StatusTypeDef HAL_LTDC_SetWindowPosition(LTDC_HandleTypeDef *hltdc, uint32_t X0, uint32_t Y0, uint32_t LayerIdx);
590 HAL_StatusTypeDef HAL_LTDC_SetPixelFormat(LTDC_HandleTypeDef *hltdc, uint32_t Pixelformat, uint32_t LayerIdx);
591 HAL_StatusTypeDef HAL_LTDC_SetAlpha(LTDC_HandleTypeDef *hltdc, uint32_t Alpha, uint32_t LayerIdx);
592 HAL_StatusTypeDef HAL_LTDC_SetAddress(LTDC_HandleTypeDef *hltdc, uint32_t Address, uint32_t LayerIdx);
593 HAL_StatusTypeDef HAL_LTDC_SetPitch(LTDC_HandleTypeDef *hltdc, uint32_t LinePitchInPixels, uint32_t LayerIdx);
594 HAL_StatusTypeDef HAL_LTDC_ConfigColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t RGBValue, uint32_t LayerIdx);
595 HAL_StatusTypeDef HAL_LTDC_ConfigCLUT(LTDC_HandleTypeDef *hltdc, uint32_t *pCLUT, uint32_t CLUTSize, uint32_t LayerIdx);
596 HAL_StatusTypeDef HAL_LTDC_EnableColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
597 HAL_StatusTypeDef HAL_LTDC_DisableColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
598 HAL_StatusTypeDef HAL_LTDC_EnableCLUT(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
599 HAL_StatusTypeDef HAL_LTDC_DisableCLUT(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
600 HAL_StatusTypeDef HAL_LTDC_ProgramLineEvent(LTDC_HandleTypeDef *hltdc, uint32_t Line);
601 HAL_StatusTypeDef HAL_LTDC_EnableDither(LTDC_HandleTypeDef *hltdc);
602 HAL_StatusTypeDef HAL_LTDC_DisableDither(LTDC_HandleTypeDef *hltdc);
603 HAL_StatusTypeDef HAL_LTDC_Reload(LTDC_HandleTypeDef *hltdc, uint32_t ReloadType);
604 HAL_StatusTypeDef HAL_LTDC_ConfigLayer_NoReload(LTDC_HandleTypeDef *hltdc, LTDC_LayerCfgTypeDef *pLayerCfg,
605                                                 uint32_t LayerIdx);
606 HAL_StatusTypeDef HAL_LTDC_SetWindowSize_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t XSize, uint32_t YSize,
607                                                   uint32_t LayerIdx);
608 HAL_StatusTypeDef HAL_LTDC_SetWindowPosition_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t X0, uint32_t Y0,
609                                                       uint32_t LayerIdx);
610 HAL_StatusTypeDef HAL_LTDC_SetPixelFormat_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t Pixelformat, uint32_t LayerIdx);
611 HAL_StatusTypeDef HAL_LTDC_SetAlpha_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t Alpha, uint32_t LayerIdx);
612 HAL_StatusTypeDef HAL_LTDC_SetAddress_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t Address, uint32_t LayerIdx);
613 HAL_StatusTypeDef HAL_LTDC_SetPitch_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t LinePitchInPixels, uint32_t LayerIdx);
614 HAL_StatusTypeDef HAL_LTDC_ConfigColorKeying_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t RGBValue, uint32_t LayerIdx);
615 HAL_StatusTypeDef HAL_LTDC_EnableColorKeying_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
616 HAL_StatusTypeDef HAL_LTDC_DisableColorKeying_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
617 HAL_StatusTypeDef HAL_LTDC_EnableCLUT_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
618 HAL_StatusTypeDef HAL_LTDC_DisableCLUT_NoReload(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx);
619 
620 /**
621   * @}
622   */
623 
624 /** @addtogroup LTDC_Exported_Functions_Group4
625   * @{
626   */
627 /* Peripheral State functions *************************************************/
628 HAL_LTDC_StateTypeDef HAL_LTDC_GetState(LTDC_HandleTypeDef *hltdc);
629 uint32_t              HAL_LTDC_GetError(LTDC_HandleTypeDef *hltdc);
630 /**
631   * @}
632   */
633 
634 /**
635   * @}
636   */
637 
638 /* Private types -------------------------------------------------------------*/
639 /* Private variables ---------------------------------------------------------*/
640 /* Private constants ---------------------------------------------------------*/
641 /* Private macros ------------------------------------------------------------*/
642 /** @defgroup LTDC_Private_Macros LTDC Private Macros
643   * @{
644   */
645 #define LTDC_LAYER(__HANDLE__, __LAYER__)              ((LTDC_Layer_TypeDef *)((uint32_t)(\
646                                                                                ((uint32_t)((__HANDLE__)->Instance))\
647                                                                                + 0x84U + (0x80U*(__LAYER__)))))
648 #define IS_LTDC_LAYER(__LAYER__)                       ((__LAYER__) < MAX_LAYER)
649 #define IS_LTDC_HSPOL(__HSPOL__)                       (((__HSPOL__) == LTDC_HSPOLARITY_AL)\
650                                                         || ((__HSPOL__) == LTDC_HSPOLARITY_AH))
651 #define IS_LTDC_VSPOL(__VSPOL__)                       (((__VSPOL__) == LTDC_VSPOLARITY_AL)\
652                                                         || ((__VSPOL__) == LTDC_VSPOLARITY_AH))
653 #define IS_LTDC_DEPOL(__DEPOL__)                       (((__DEPOL__) == LTDC_DEPOLARITY_AL)\
654                                                         || ((__DEPOL__) ==  LTDC_DEPOLARITY_AH))
655 #define IS_LTDC_PCPOL(__PCPOL__)                       (((__PCPOL__) == LTDC_PCPOLARITY_IPC)\
656                                                         || ((__PCPOL__) ==  LTDC_PCPOLARITY_IIPC))
657 #define IS_LTDC_HSYNC(__HSYNC__)                       ((__HSYNC__)  <= LTDC_HORIZONTALSYNC)
658 #define IS_LTDC_VSYNC(__VSYNC__)                       ((__VSYNC__)  <= LTDC_VERTICALSYNC)
659 #define IS_LTDC_AHBP(__AHBP__)                         ((__AHBP__)   <= LTDC_HORIZONTALSYNC)
660 #define IS_LTDC_AVBP(__AVBP__)                         ((__AVBP__)   <= LTDC_VERTICALSYNC)
661 #define IS_LTDC_AAW(__AAW__)                           ((__AAW__)    <= LTDC_HORIZONTALSYNC)
662 #define IS_LTDC_AAH(__AAH__)                           ((__AAH__)    <= LTDC_VERTICALSYNC)
663 #define IS_LTDC_TOTALW(__TOTALW__)                     ((__TOTALW__) <= LTDC_HORIZONTALSYNC)
664 #define IS_LTDC_TOTALH(__TOTALH__)                     ((__TOTALH__) <= LTDC_VERTICALSYNC)
665 #define IS_LTDC_BLUEVALUE(__BBLUE__)                   ((__BBLUE__)  <= LTDC_COLOR)
666 #define IS_LTDC_GREENVALUE(__BGREEN__)                 ((__BGREEN__) <= LTDC_COLOR)
667 #define IS_LTDC_REDVALUE(__BRED__)                     ((__BRED__)   <= LTDC_COLOR)
668 #define IS_LTDC_BLENDING_FACTOR1(__BLENDING_FACTOR1__) (((__BLENDING_FACTOR1__) == LTDC_BLENDING_FACTOR1_CA) || \
669                                                         ((__BLENDING_FACTOR1__) == LTDC_BLENDING_FACTOR1_PAxCA))
670 #define IS_LTDC_BLENDING_FACTOR2(__BLENDING_FACTOR1__) (((__BLENDING_FACTOR1__) == LTDC_BLENDING_FACTOR2_CA) || \
671                                                         ((__BLENDING_FACTOR1__) == LTDC_BLENDING_FACTOR2_PAxCA))
672 #define IS_LTDC_PIXEL_FORMAT(__PIXEL_FORMAT__)         (((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_ARGB8888) || \
673                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_RGB888)   || \
674                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_RGB565)   || \
675                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_ARGB1555) || \
676                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_ARGB4444) || \
677                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_L8)       || \
678                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_AL44)     || \
679                                                         ((__PIXEL_FORMAT__) == LTDC_PIXEL_FORMAT_AL88))
680 #define IS_LTDC_ALPHA(__ALPHA__)                       ((__ALPHA__) <= LTDC_ALPHA)
681 #define IS_LTDC_HCONFIGST(__HCONFIGST__)               ((__HCONFIGST__) <= LTDC_STARTPOSITION)
682 #define IS_LTDC_HCONFIGSP(__HCONFIGSP__)               ((__HCONFIGSP__) <= LTDC_STOPPOSITION)
683 #define IS_LTDC_VCONFIGST(__VCONFIGST__)               ((__VCONFIGST__) <= LTDC_STARTPOSITION)
684 #define IS_LTDC_VCONFIGSP(__VCONFIGSP__)               ((__VCONFIGSP__) <= LTDC_STOPPOSITION)
685 #define IS_LTDC_CFBP(__CFBP__)                         ((__CFBP__) <= LTDC_COLOR_FRAME_BUFFER)
686 #define IS_LTDC_CFBLL(__CFBLL__)                       ((__CFBLL__) <= LTDC_COLOR_FRAME_BUFFER)
687 #define IS_LTDC_CFBLNBR(__CFBLNBR__)                   ((__CFBLNBR__) <= LTDC_LINE_NUMBER)
688 #define IS_LTDC_LIPOS(__LIPOS__)                       ((__LIPOS__) <= 0x7FFU)
689 #define IS_LTDC_RELOAD(__RELOADTYPE__)                 (((__RELOADTYPE__) == LTDC_RELOAD_IMMEDIATE) || \
690                                                         ((__RELOADTYPE__) == LTDC_RELOAD_VERTICAL_BLANKING))
691 /**
692   * @}
693   */
694 
695 /* Private functions ---------------------------------------------------------*/
696 /** @defgroup LTDC_Private_Functions LTDC Private Functions
697   * @{
698   */
699 
700 /**
701   * @}
702   */
703 
704 /**
705   * @}
706   */
707 
708 /**
709   * @}
710   */
711 
712 #endif /* LTDC */
713 
714 #ifdef __cplusplus
715 }
716 #endif
717 
718 #endif /* STM32F4xx_HAL_LTDC_H */
719 
720