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stm32f4xx_ltdc.h
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/**
******************************************************************************
* @file stm32f4xx_ltdc.h
* @author MCD Application Team
* @version V1.8.0
* @date 04-November-2016
* @brief This file contains all the functions prototypes for the LTDC firmware
* library.
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_LTDC_H
#define __STM32F4xx_LTDC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @addtogroup LTDC
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief LTDC Init structure definition
*/
typedef struct
{
uint32_t LTDC_HSPolarity; /*!< configures the horizontal synchronization polarity.
This parameter can be one value of @ref LTDC_HSPolarity */
uint32_t LTDC_VSPolarity; /*!< configures the vertical synchronization polarity.
This parameter can be one value of @ref LTDC_VSPolarity */
uint32_t LTDC_DEPolarity; /*!< configures the data enable polarity. This parameter can
be one of value of @ref LTDC_DEPolarity */
uint32_t LTDC_PCPolarity; /*!< configures the pixel clock polarity. This parameter can
be one of value of @ref LTDC_PCPolarity */
uint32_t LTDC_HorizontalSync; /*!< configures the number of Horizontal synchronization
width. This parameter must range from 0x000 to 0xFFF. */
uint32_t LTDC_VerticalSync; /*!< configures the number of Vertical synchronization
height. This parameter must range from 0x000 to 0x7FF. */
uint32_t LTDC_AccumulatedHBP; /*!< configures the accumulated horizontal back porch width.
This parameter must range from LTDC_HorizontalSync to 0xFFF. */
uint32_t LTDC_AccumulatedVBP; /*!< configures the accumulated vertical back porch height.
This parameter must range from LTDC_VerticalSync to 0x7FF. */
uint32_t LTDC_AccumulatedActiveW; /*!< configures the accumulated active width. This parameter
must range from LTDC_AccumulatedHBP to 0xFFF. */
uint32_t LTDC_AccumulatedActiveH; /*!< configures the accumulated active height. This parameter
must range from LTDC_AccumulatedVBP to 0x7FF. */
uint32_t LTDC_TotalWidth; /*!< configures the total width. This parameter
must range from LTDC_AccumulatedActiveW to 0xFFF. */
uint32_t LTDC_TotalHeigh; /*!< configures the total height. This parameter
must range from LTDC_AccumulatedActiveH to 0x7FF. */
uint32_t LTDC_BackgroundRedValue; /*!< configures the background red value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_BackgroundGreenValue; /*!< configures the background green value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_BackgroundBlueValue; /*!< configures the background blue value.
This parameter must range from 0x00 to 0xFF. */
} LTDC_InitTypeDef;
/**
* @brief LTDC Layer structure definition
*/
typedef struct
{
uint32_t LTDC_HorizontalStart; /*!< Configures the Window Horizontal Start Position.
This parameter must range from 0x000 to 0xFFF. */
uint32_t LTDC_HorizontalStop; /*!< Configures the Window Horizontal Stop Position.
This parameter must range from 0x0000 to 0xFFFF. */
uint32_t LTDC_VerticalStart; /*!< Configures the Window vertical Start Position.
This parameter must range from 0x000 to 0xFFF. */
uint32_t LTDC_VerticalStop; /*!< Configures the Window vaertical Stop Position.
This parameter must range from 0x0000 to 0xFFFF. */
uint32_t LTDC_PixelFormat; /*!< Specifies the pixel format. This parameter can be
one of value of @ref LTDC_Pixelformat */
uint32_t LTDC_ConstantAlpha; /*!< Specifies the constant alpha used for blending.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_DefaultColorBlue; /*!< Configures the default blue value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_DefaultColorGreen; /*!< Configures the default green value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_DefaultColorRed; /*!< Configures the default red value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_DefaultColorAlpha; /*!< Configures the default alpha value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_BlendingFactor_1; /*!< Select the blending factor 1. This parameter
can be one of value of @ref LTDC_BlendingFactor1 */
uint32_t LTDC_BlendingFactor_2; /*!< Select the blending factor 2. This parameter
can be one of value of @ref LTDC_BlendingFactor2 */
uint32_t LTDC_CFBStartAdress; /*!< Configures the color frame buffer address */
uint32_t LTDC_CFBLineLength; /*!< Configures the color frame buffer line length.
This parameter must range from 0x0000 to 0x1FFF. */
uint32_t LTDC_CFBPitch; /*!< Configures the color frame buffer pitch in bytes.
This parameter must range from 0x0000 to 0x1FFF. */
uint32_t LTDC_CFBLineNumber; /*!< Specifies the number of line in frame buffer.
This parameter must range from 0x000 to 0x7FF. */
} LTDC_Layer_InitTypeDef;
/**
* @brief LTDC Position structure definition
*/
typedef struct
{
uint32_t LTDC_POSX; /*!< Current X Position */
uint32_t LTDC_POSY; /*!< Current Y Position */
} LTDC_PosTypeDef;
/**
* @brief LTDC RGB structure definition
*/
typedef struct
{
uint32_t LTDC_BlueWidth; /*!< Blue width */
uint32_t LTDC_GreenWidth; /*!< Green width */
uint32_t LTDC_RedWidth; /*!< Red width */
} LTDC_RGBTypeDef;
/**
* @brief LTDC Color Keying structure definition
*/
typedef struct
{
uint32_t LTDC_ColorKeyBlue; /*!< Configures the color key blue value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_ColorKeyGreen; /*!< Configures the color key green value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_ColorKeyRed; /*!< Configures the color key red value.
This parameter must range from 0x00 to 0xFF. */
} LTDC_ColorKeying_InitTypeDef;
/**
* @brief LTDC CLUT structure definition
*/
typedef struct
{
uint32_t LTDC_CLUTAdress; /*!< Configures the CLUT address.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_BlueValue; /*!< Configures the blue value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_GreenValue; /*!< Configures the green value.
This parameter must range from 0x00 to 0xFF. */
uint32_t LTDC_RedValue; /*!< Configures the red value.
This parameter must range from 0x00 to 0xFF. */
} LTDC_CLUT_InitTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup LTDC_Exported_Constants
* @{
*/
/** @defgroup LTDC_SYNC
* @{
*/
#define LTDC_HorizontalSYNC ((uint32_t)0x00000FFF)
#define LTDC_VerticalSYNC ((uint32_t)0x000007FF)
#define IS_LTDC_HSYNC(HSYNC) ((HSYNC) <= LTDC_HorizontalSYNC)
#define IS_LTDC_VSYNC(VSYNC) ((VSYNC) <= LTDC_VerticalSYNC)
#define IS_LTDC_AHBP(AHBP) ((AHBP) <= LTDC_HorizontalSYNC)
#define IS_LTDC_AVBP(AVBP) ((AVBP) <= LTDC_VerticalSYNC)
#define IS_LTDC_AAW(AAW) ((AAW) <= LTDC_HorizontalSYNC)
#define IS_LTDC_AAH(AAH) ((AAH) <= LTDC_VerticalSYNC)
#define IS_LTDC_TOTALW(TOTALW) ((TOTALW) <= LTDC_HorizontalSYNC)
#define IS_LTDC_TOTALH(TOTALH) ((TOTALH) <= LTDC_VerticalSYNC)
/**
* @}
*/
/** @defgroup LTDC_HSPolarity
* @{
*/
#define LTDC_HSPolarity_AL ((uint32_t)0x00000000) /*!< Horizontal Synchronization is active low. */
#define LTDC_HSPolarity_AH LTDC_GCR_HSPOL /*!< Horizontal Synchronization is active high. */
#define IS_LTDC_HSPOL(HSPOL) (((HSPOL) == LTDC_HSPolarity_AL) || \
((HSPOL) == LTDC_HSPolarity_AH))
/**
* @}
*/
/** @defgroup LTDC_VSPolarity
* @{
*/
#define LTDC_VSPolarity_AL ((uint32_t)0x00000000) /*!< Vertical Synchronization is active low. */
#define LTDC_VSPolarity_AH LTDC_GCR_VSPOL /*!< Vertical Synchronization is active high. */
#define IS_LTDC_VSPOL(VSPOL) (((VSPOL) == LTDC_VSPolarity_AL) || \
((VSPOL) == LTDC_VSPolarity_AH))
/**
* @}
*/
/** @defgroup LTDC_DEPolarity
* @{
*/
#define LTDC_DEPolarity_AL ((uint32_t)0x00000000) /*!< Data Enable, is active low. */
#define LTDC_DEPolarity_AH LTDC_GCR_DEPOL /*!< Data Enable, is active high. */
#define IS_LTDC_DEPOL(DEPOL) (((DEPOL) == LTDC_VSPolarity_AL) || \
((DEPOL) == LTDC_DEPolarity_AH))
/**
* @}
*/
/** @defgroup LTDC_PCPolarity
* @{
*/
#define LTDC_PCPolarity_IPC ((uint32_t)0x00000000) /*!< input pixel clock. */
#define LTDC_PCPolarity_IIPC LTDC_GCR_PCPOL /*!< inverted input pixel clock. */
#define IS_LTDC_PCPOL(PCPOL) (((PCPOL) == LTDC_PCPolarity_IPC) || \
((PCPOL) == LTDC_PCPolarity_IIPC))
/**
* @}
*/
/** @defgroup LTDC_Reload
* @{
*/
#define LTDC_IMReload LTDC_SRCR_IMR /*!< Immediately Reload. */
#define LTDC_VBReload LTDC_SRCR_VBR /*!< Vertical Blanking Reload. */
#define IS_LTDC_RELOAD(RELOAD) (((RELOAD) == LTDC_IMReload) || \
((RELOAD) == LTDC_VBReload))
/**
* @}
*/
/** @defgroup LTDC_Back_Color
* @{
*/
#define LTDC_Back_Color ((uint32_t)0x000000FF)
#define IS_LTDC_BackBlueValue(BBLUE) ((BBLUE) <= LTDC_Back_Color)
#define IS_LTDC_BackGreenValue(BGREEN) ((BGREEN) <= LTDC_Back_Color)
#define IS_LTDC_BackRedValue(BRED) ((BRED) <= LTDC_Back_Color)
/**
* @}
*/
/** @defgroup LTDC_Position
* @{
*/
#define LTDC_POS_CY LTDC_CPSR_CYPOS
#define LTDC_POS_CX LTDC_CPSR_CXPOS
#define IS_LTDC_GET_POS(POS) (((POS) <= LTDC_POS_CY))
/**
* @}
*/
/** @defgroup LTDC_LIPosition
* @{
*/
#define IS_LTDC_LIPOS(LIPOS) ((LIPOS) <= 0x7FF)
/**
* @}
*/
/** @defgroup LTDC_CurrentStatus
* @{
*/
#define LTDC_CD_VDES LTDC_CDSR_VDES
#define LTDC_CD_HDES LTDC_CDSR_HDES
#define LTDC_CD_VSYNC LTDC_CDSR_VSYNCS
#define LTDC_CD_HSYNC LTDC_CDSR_HSYNCS
#define IS_LTDC_GET_CD(CD) (((CD) == LTDC_CD_VDES) || ((CD) == LTDC_CD_HDES) || \
((CD) == LTDC_CD_VSYNC) || ((CD) == LTDC_CD_HSYNC))
/**
* @}
*/
/** @defgroup LTDC_Interrupts
* @{
*/
#define LTDC_IT_LI LTDC_IER_LIE
#define LTDC_IT_FU LTDC_IER_FUIE
#define LTDC_IT_TERR LTDC_IER_TERRIE
#define LTDC_IT_RR LTDC_IER_RRIE
#define IS_LTDC_IT(IT) ((((IT) & (uint32_t)0xFFFFFFF0) == 0x00) && ((IT) != 0x00))
/**
* @}
*/
/** @defgroup LTDC_Flag
* @{
*/
#define LTDC_FLAG_LI LTDC_ISR_LIF
#define LTDC_FLAG_FU LTDC_ISR_FUIF
#define LTDC_FLAG_TERR LTDC_ISR_TERRIF
#define LTDC_FLAG_RR LTDC_ISR_RRIF
#define IS_LTDC_FLAG(FLAG) (((FLAG) == LTDC_FLAG_LI) || ((FLAG) == LTDC_FLAG_FU) || \
((FLAG) == LTDC_FLAG_TERR) || ((FLAG) == LTDC_FLAG_RR))
/**
* @}
*/
/** @defgroup LTDC_Pixelformat
* @{
*/
#define LTDC_Pixelformat_ARGB8888 ((uint32_t)0x00000000)
#define LTDC_Pixelformat_RGB888 ((uint32_t)0x00000001)
#define LTDC_Pixelformat_RGB565 ((uint32_t)0x00000002)
#define LTDC_Pixelformat_ARGB1555 ((uint32_t)0x00000003)
#define LTDC_Pixelformat_ARGB4444 ((uint32_t)0x00000004)
#define LTDC_Pixelformat_L8 ((uint32_t)0x00000005)
#define LTDC_Pixelformat_AL44 ((uint32_t)0x00000006)
#define LTDC_Pixelformat_AL88 ((uint32_t)0x00000007)
#define IS_LTDC_Pixelformat(Pixelformat) (((Pixelformat) == LTDC_Pixelformat_ARGB8888) || ((Pixelformat) == LTDC_Pixelformat_RGB888) || \
((Pixelformat) == LTDC_Pixelformat_RGB565) || ((Pixelformat) == LTDC_Pixelformat_ARGB1555) || \
((Pixelformat) == LTDC_Pixelformat_ARGB4444) || ((Pixelformat) == LTDC_Pixelformat_L8) || \
((Pixelformat) == LTDC_Pixelformat_AL44) || ((Pixelformat) == LTDC_Pixelformat_AL88))
/**
* @}
*/
/** @defgroup LTDC_BlendingFactor1
* @{
*/
#define LTDC_BlendingFactor1_CA ((uint32_t)0x00000400)
#define LTDC_BlendingFactor1_PAxCA ((uint32_t)0x00000600)
#define IS_LTDC_BlendingFactor1(BlendingFactor1) (((BlendingFactor1) == LTDC_BlendingFactor1_CA) || ((BlendingFactor1) == LTDC_BlendingFactor1_PAxCA))
/**
* @}
*/
/** @defgroup LTDC_BlendingFactor2
* @{
*/
#define LTDC_BlendingFactor2_CA ((uint32_t)0x00000005)
#define LTDC_BlendingFactor2_PAxCA ((uint32_t)0x00000007)
#define IS_LTDC_BlendingFactor2(BlendingFactor2) (((BlendingFactor2) == LTDC_BlendingFactor2_CA) || ((BlendingFactor2) == LTDC_BlendingFactor2_PAxCA))
/**
* @}
*/
/** @defgroup LTDC_LAYER_Config
* @{
*/
#define LTDC_STOPPosition ((uint32_t)0x0000FFFF)
#define LTDC_STARTPosition ((uint32_t)0x00000FFF)
#define LTDC_DefaultColorConfig ((uint32_t)0x000000FF)
#define LTDC_ColorFrameBuffer ((uint32_t)0x00001FFF)
#define LTDC_LineNumber ((uint32_t)0x000007FF)
#define IS_LTDC_HCONFIGST(HCONFIGST) ((HCONFIGST) <= LTDC_STARTPosition)
#define IS_LTDC_HCONFIGSP(HCONFIGSP) ((HCONFIGSP) <= LTDC_STOPPosition)
#define IS_LTDC_VCONFIGST(VCONFIGST) ((VCONFIGST) <= LTDC_STARTPosition)
#define IS_LTDC_VCONFIGSP(VCONFIGSP) ((VCONFIGSP) <= LTDC_STOPPosition)
#define IS_LTDC_DEFAULTCOLOR(DEFAULTCOLOR) ((DEFAULTCOLOR) <= LTDC_DefaultColorConfig)
#define IS_LTDC_CFBP(CFBP) ((CFBP) <= LTDC_ColorFrameBuffer)
#define IS_LTDC_CFBLL(CFBLL) ((CFBLL) <= LTDC_ColorFrameBuffer)
#define IS_LTDC_CFBLNBR(CFBLNBR) ((CFBLNBR) <= LTDC_LineNumber)
/**
* @}
*/
/** @defgroup LTDC_colorkeying_Config
* @{
*/
#define LTDC_colorkeyingConfig ((uint32_t)0x000000FF)
#define IS_LTDC_CKEYING(CKEYING) ((CKEYING) <= LTDC_colorkeyingConfig)
/**
* @}
*/
/** @defgroup LTDC_CLUT_Config
* @{
*/
#define LTDC_CLUTWR ((uint32_t)0x000000FF)
#define IS_LTDC_CLUTWR(CLUTWR) ((CLUTWR) <= LTDC_CLUTWR)
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Function used to set the LTDC configuration to the default reset state *****/
void LTDC_DeInit(void);
/* Initialization and Configuration functions *********************************/
void LTDC_Init(LTDC_InitTypeDef* LTDC_InitStruct);
void LTDC_StructInit(LTDC_InitTypeDef* LTDC_InitStruct);
void LTDC_Cmd(FunctionalState NewState);
void LTDC_DitherCmd(FunctionalState NewState);
LTDC_RGBTypeDef LTDC_GetRGBWidth(void);
void LTDC_RGBStructInit(LTDC_RGBTypeDef* LTDC_RGB_InitStruct);
void LTDC_LIPConfig(uint32_t LTDC_LIPositionConfig);
void LTDC_ReloadConfig(uint32_t LTDC_Reload);
void LTDC_LayerInit(LTDC_Layer_TypeDef* LTDC_Layerx, LTDC_Layer_InitTypeDef* LTDC_Layer_InitStruct);
void LTDC_LayerStructInit(LTDC_Layer_InitTypeDef * LTDC_Layer_InitStruct);
void LTDC_LayerCmd(LTDC_Layer_TypeDef* LTDC_Layerx, FunctionalState NewState);
LTDC_PosTypeDef LTDC_GetPosStatus(void);
void LTDC_PosStructInit(LTDC_PosTypeDef* LTDC_Pos_InitStruct);
FlagStatus LTDC_GetCDStatus(uint32_t LTDC_CD);
void LTDC_ColorKeyingConfig(LTDC_Layer_TypeDef* LTDC_Layerx, LTDC_ColorKeying_InitTypeDef* LTDC_colorkeying_InitStruct, FunctionalState NewState);
void LTDC_ColorKeyingStructInit(LTDC_ColorKeying_InitTypeDef* LTDC_colorkeying_InitStruct);
void LTDC_CLUTCmd(LTDC_Layer_TypeDef* LTDC_Layerx, FunctionalState NewState);
void LTDC_CLUTInit(LTDC_Layer_TypeDef* LTDC_Layerx, LTDC_CLUT_InitTypeDef* LTDC_CLUT_InitStruct);
void LTDC_CLUTStructInit(LTDC_CLUT_InitTypeDef* LTDC_CLUT_InitStruct);
void LTDC_LayerPosition(LTDC_Layer_TypeDef* LTDC_Layerx, uint16_t OffsetX, uint16_t OffsetY);
void LTDC_LayerAlpha(LTDC_Layer_TypeDef* LTDC_Layerx, uint8_t ConstantAlpha);
void LTDC_LayerAddress(LTDC_Layer_TypeDef* LTDC_Layerx, uint32_t Address);
void LTDC_LayerSize(LTDC_Layer_TypeDef* LTDC_Layerx, uint32_t Width, uint32_t Height);
void LTDC_LayerPixelFormat(LTDC_Layer_TypeDef* LTDC_Layerx, uint32_t PixelFormat);
/* Interrupts and flags management functions **********************************/
void LTDC_ITConfig(uint32_t LTDC_IT, FunctionalState NewState);
FlagStatus LTDC_GetFlagStatus(uint32_t LTDC_FLAG);
void LTDC_ClearFlag(uint32_t LTDC_FLAG);
ITStatus LTDC_GetITStatus(uint32_t LTDC_IT);
void LTDC_ClearITPendingBit(uint32_t LTDC_IT);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F4xx_LTDC_H */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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