Functions
uint8_t	BSP_LCD_DeInit (void)
	De-initialize the DSI LCD.
uint32_t	BSP_LCD_GetXSize (void)
	Gets the LCD X size.
uint32_t	BSP_LCD_GetYSize (void)
	Gets the LCD Y size.
uint8_t	BSP_LCD_SelectLayer (uint32_t LayerIndex)
	Selects the LCD Layer.
uint8_t	BSP_LCD_SetLayerVisible (uint32_t LayerIndex, FunctionalState State)
	Sets an LCD Layer visible.
uint8_t	BSP_LCD_SetTransparency (uint32_t LayerIndex, uint8_t Transparency)
	Configures the transparency.
uint8_t	BSP_LCD_SetColorKeying (uint32_t LayerIndex, uint32_t RGBValue)
	Configures and sets the color keying.
uint8_t	BSP_LCD_ResetColorKeying (uint32_t LayerIndex)
	Disables the color keying.
void	BSP_LCD_SetTextColor (uint32_t Color)
	Sets the LCD text color.
uint32_t	BSP_LCD_GetTextColor (void)
	Gets the LCD text color.
void	BSP_LCD_SetBackColor (uint32_t Color)
	Sets the LCD background color.
uint32_t	BSP_LCD_GetBackColor (void)
	Gets the LCD background color.
void	BSP_LCD_SetFont (sFONT *fonts)
	Sets the LCD text font.
sFONT *	BSP_LCD_GetFont (void)
	Gets the LCD text font.
uint32_t	BSP_LCD_ReadPixel (uint16_t Xpos, uint16_t Ypos)
	Reads an LCD pixel.
void	BSP_LCD_Clear (uint32_t Color)
	Clears the whole currently active layer of LTDC.
void	BSP_LCD_ClearStringLine (uint32_t Line)
	Clears the selected line in currently active layer.
void	BSP_LCD_DisplayChar (uint16_t Xpos, uint16_t Ypos, uint8_t Ascii)
	Displays one character in currently active layer.
void	BSP_LCD_DisplayStringAt (uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Text_AlignModeTypdef Mode)
	Displays characters in currently active layer.
void	BSP_LCD_DisplayStringAtLine (uint16_t Line, uint8_t *ptr)
	Displays string on specified line of the LCD.
void	BSP_LCD_DrawHLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws an horizontal line in currently active layer.
void	BSP_LCD_DrawVLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws a vertical line in currently active layer.
void	BSP_LCD_DrawLine (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draws an uni-line (between two points) in currently active layer.
void	BSP_LCD_DrawRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a rectangle in currently active layer.
void	BSP_LCD_DrawCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a circle in currently active layer.
void	BSP_LCD_DrawPolygon (pPoint Points, uint16_t PointCount)
	Draws an poly-line (between many points) in currently active layer.
void	BSP_LCD_DrawEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws an ellipse on LCD in currently active layer.
void	BSP_LCD_DrawBitmap (uint32_t Xpos, uint32_t Ypos, uint8_t *pbmp)
	Draws a bitmap picture loaded in the internal Flash (32 bpp) in currently active layer.
void	BSP_LCD_FillRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a full rectangle in currently active layer.
void	BSP_LCD_FillCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a full circle in currently active layer.
void	BSP_LCD_FillPolygon (pPoint Points, uint16_t PointCount)
	Draws a full poly-line (between many points) in currently active layer.
void	BSP_LCD_FillEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws a full ellipse in currently active layer.
void	BSP_LCD_DrawPixel (uint16_t Xpos, uint16_t Ypos, uint32_t RGB_Code)
	Draws a pixel on LCD.
void	BSP_LCD_DisplayOn (void)
	Switch back on the display if was switched off by previous call of BSP_LCD_DisplayOff().
void	BSP_LCD_DisplayOff (void)
	Switch Off the display.
void	BSP_LCD_Refresh (void)
	Refresh the display.
uint8_t	BSP_LCD_IsFrameBufferAvailable (void)
	Check if frame buffer is available.
void	BSP_LCD_SetBrightness (uint8_t BrightnessValue)
	Set the brightness value.
__weak void	BSP_LCD_DMA2D_IRQHandler (void)
	Handles DMA2D interrupt request.
__weak void	BSP_LCD_DSI_IRQHandler (void)
	Handles DSI interrupt request.
__weak void	BSP_LCD_LTDC_IRQHandler (void)
	Handles LTDC interrupt request.
__weak void	BSP_LCD_LTDC_ER_IRQHandler (void)
	This function handles LTDC Error interrupt Handler.
__weak void	BSP_LCD_MspDeInit (void)
	De-Initializes the BSP LCD Msp.
__weak void	BSP_LCD_MspInit (void)
	Initialize the BSP LCD Msp.

Function Documentation

void BSP_LCD_Clear ( uint32_t Color )

Clears the whole currently active layer of LTDC.

Parameters:

Color,: Color of the background (in ARGB8888 format)

Definition at line 845 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_ClearStringLine ( uint32_t Line )

Clears the selected line in currently active layer.

Parameters:

Line,: Line to be cleared

Definition at line 856 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_DeInit ( void )

De-initialize the DSI LCD.

Return values:

LCD state

Definition at line 566 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DisplayChar	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint8_t	Ascii
	)

Displays one character in currently active layer.

Parameters:

Xpos,:	Start column address
Ypos,:	Line where to display the character shape.
Ascii,:	Character ascii code This parameter must be a number between Min_Data = 0x20 and Max_Data = 0x7E

Definition at line 875 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DisplayOff ( void )

Switch Off the display.

Definition at line 1443 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DisplayOn ( void )

Switch back on the display if was switched off by previous call of BSP_LCD_DisplayOff().

Definition at line 1430 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DisplayStringAt	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint8_t *	Text,
		Text_AlignModeTypdef	Mode
	)

Displays characters in currently active layer.

Parameters:

Xpos,:	X position (in pixel)
Ypos,:	Y position (in pixel)
Text,:	Pointer to string to display on LCD
Mode,:	Display mode This parameter can be one of the following values: CENTER_MODE RIGHT_MODE LEFT_MODE

Definition at line 891 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DisplayStringAtLine	(	uint16_t	Line,
		uint8_t *	ptr
	)

Displays string on specified line of the LCD.

Parameters:

Line,:	Line where to display the character shape
ptr,:	Pointer to string to display on LCD

Definition at line 953 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_DMA2D_IRQHandler ( void )

Handles DMA2D interrupt request.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1498 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawBitmap	(	uint32_t	Xpos,
		uint32_t	Ypos,
		uint8_t *	pbmp
	)

Draws a bitmap picture loaded in the internal Flash (32 bpp) in currently active layer.

Parameters:

Xpos,:	Bmp X position in the LCD
Ypos,:	Bmp Y position in the LCD
pbmp,:	Pointer to Bmp picture address in the internal Flash

Definition at line 1195 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawCircle	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Radius
	)

Draws a circle in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Radius,:	Circle radius

Definition at line 1090 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawEllipse	(	int	Xpos,
		int	Ypos,
		int	XRadius,
		int	YRadius
	)

Draws an ellipse on LCD in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
XRadius,:	Ellipse X radius
YRadius,:	Ellipse Y radius

Definition at line 1163 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawHLine	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Length
	)

Draws an horizontal line in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Length,:	Line length

Definition at line 964 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawLine	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2
	)

Draws an uni-line (between two points) in currently active layer.

Parameters:

x1,:	Point 1 X position
y1,:	Point 1 Y position
x2,:	Point 2 X position
y2,:	Point 2 Y position

Definition at line 999 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawPixel	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint32_t	RGB_Code
	)

Draws a pixel on LCD.

Parameters:

Xpos,:	X position
Ypos,:	Y position
RGB_Code,:	Pixel color in ARGB mode (8-8-8-8)

Definition at line 1421 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawPolygon	(	pPoint	Points,
		uint16_t	PointCount
	)

Draws an poly-line (between many points) in currently active layer.

Parameters:

Points,:	Pointer to the points array
PointCount,:	Number of points

Definition at line 1136 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawRect	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Width,
		uint16_t	Height
	)

Draws a rectangle in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Width,:	Rectangle width
Height,:	Rectangle height

Definition at line 1073 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_DrawVLine	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Length
	)

Draws a vertical line in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Length,:	Line length

Definition at line 981 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_DSI_IRQHandler ( void )

Handles DSI interrupt request.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1507 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_FillCircle	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Radius
	)

Draws a full circle in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Radius,:	Circle radius

Definition at line 1275 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_FillEllipse	(	int	Xpos,
		int	Ypos,
		int	XRadius,
		int	YRadius
	)

Draws a full ellipse in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
XRadius,:	Ellipse X radius
YRadius,:	Ellipse Y radius

Definition at line 1389 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_FillPolygon	(	pPoint	Points,
		uint16_t	PointCount
	)

Draws a full poly-line (between many points) in currently active layer.

Parameters:

Points,:	Pointer to the points array
PointCount,:	Number of points

Definition at line 1322 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_FillRect	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Width,
		uint16_t	Height
	)

Draws a full rectangle in currently active layer.

Parameters:

Xpos,:	X position
Ypos,:	Y position
Width,:	Rectangle width
Height,:	Rectangle height

Definition at line 1255 of file stm32l4r9i_discovery_lcd.c.

uint32_t BSP_LCD_GetBackColor ( void )

Gets the LCD background color.

Return values:

Used	background color

Definition at line 800 of file stm32l4r9i_discovery_lcd.c.

sFONT* BSP_LCD_GetFont ( void )

Gets the LCD text font.

Return values:

Used	layer font

Definition at line 818 of file stm32l4r9i_discovery_lcd.c.

uint32_t BSP_LCD_GetTextColor ( void )

Gets the LCD text color.

Return values:

Used	text color.

Definition at line 782 of file stm32l4r9i_discovery_lcd.c.

uint32_t BSP_LCD_GetXSize ( void )

Gets the LCD X size.

Return values:

Used	LCD X size

Definition at line 632 of file stm32l4r9i_discovery_lcd.c.

uint32_t BSP_LCD_GetYSize ( void )

Gets the LCD Y size.

Return values:

Used	LCD Y size

Definition at line 641 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_IsFrameBufferAvailable ( void )

Check if frame buffer is available.

Return values:

LCD_OK if frame buffer is available else LCD_ERROR (frame buffer busy)

Definition at line 1469 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_LTDC_ER_IRQHandler ( void )

This function handles LTDC Error interrupt Handler.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1526 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_LTDC_IRQHandler ( void )

Handles LTDC interrupt request.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1516 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_MspDeInit ( void )

De-Initializes the BSP LCD Msp.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1535 of file stm32l4r9i_discovery_lcd.c.

__weak void BSP_LCD_MspInit ( void )

Initialize the BSP LCD Msp.

Note:: Application can surcharge if needed this function implementation.

Definition at line 1581 of file stm32l4r9i_discovery_lcd.c.

uint32_t BSP_LCD_ReadPixel	(	uint16_t	Xpos,
		uint16_t	Ypos
	)

Reads an LCD pixel.

Parameters:

Xpos,:	X position
Ypos,:	Y position

Return values:

ARGB8888 pixel color

Definition at line 829 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_Refresh ( void )

Refresh the display.

Definition at line 1456 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_ResetColorKeying ( uint32_t LayerIndex )

Disables the color keying.

Parameters:

LayerIndex,: Layer foreground (1) or background (0)

Note:: : Only backgroung layer can be used.

Return values:

LCD state

Definition at line 753 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_SelectLayer ( uint32_t LayerIndex )

Selects the LCD Layer.

Parameters:

LayerIndex,: Layer foreground (1) or background (0)

Note:: : Only backgroung layer can be used.

Return values:

LCD state

Definition at line 652 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_SetBackColor ( uint32_t Color )

Sets the LCD background color.

Parameters:

Color,: Layer background color code ARGB8888

Definition at line 791 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_SetBrightness ( uint8_t BrightnessValue )

Set the brightness value.

Parameters:

BrightnessValue,: [0% Min (black), 100% Max]

Definition at line 1482 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_SetColorKeying	(	uint32_t	LayerIndex,
		uint32_t	RGBValue
	)

Configures and sets the color keying.

Parameters:

LayerIndex,:	Layer foreground (1) or background (0)
RGBValue,:	Color reference

Note:: : Only backgroung layer can be used.

Return values:

LCD state

Definition at line 730 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_SetFont ( sFONT * fonts )

Sets the LCD text font.

Parameters:

fonts,: Layer font to be used

Definition at line 809 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_SetLayerVisible	(	uint32_t	LayerIndex,
		FunctionalState	State
	)

Sets an LCD Layer visible.

Parameters:

LayerIndex,: Visible Layer

State,:

New state of the specified layer This parameter can be one of the following values:

ENABLE
DISABLE

Note:: : Only backgroung layer can be used.

Return values:

LCD state

Definition at line 677 of file stm32l4r9i_discovery_lcd.c.

void BSP_LCD_SetTextColor ( uint32_t Color )

Sets the LCD text color.

Parameters:

Color,: Text color code ARGB8888

Definition at line 773 of file stm32l4r9i_discovery_lcd.c.

uint8_t BSP_LCD_SetTransparency	(	uint32_t	LayerIndex,
		uint8_t	Transparency
	)

Configures the transparency.

Parameters:

LayerIndex,:	Layer foreground or background.
Transparency,:	Transparency This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF

Note:: : Only backgroung layer can be used.

Return values:

LCD state

Definition at line 708 of file stm32l4r9i_discovery_lcd.c.

Type:	Library
Created:	22 Nov 2019
Imports:	1
Forks:	0
Commits:	2
Dependents:	1
Dependencies:	0
Followers:	402

Exported Functions
[STM32L4R9I_DISCOVERY LCD]

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Exported Functions [STM32L4R9I_DISCOVERY LCD]

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Function Documentation

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Exported Functions
[STM32L4R9I_DISCOVERY LCD]