STM32446E EVAL LCD Private Functions

Functions
uint8_t	BSP_LCD_Init (void)
	Initializes the LCD.
uint8_t	BSP_LCD_DeInit (void)
	DeInitializes the LCD.
uint32_t	BSP_LCD_GetXSize (void)
	Gets the LCD X size.
uint32_t	BSP_LCD_GetYSize (void)
	Gets the LCD Y size.
uint16_t	BSP_LCD_GetTextColor (void)
	Gets the LCD text color.
uint16_t	BSP_LCD_GetBackColor (void)
	Gets the LCD background color.
void	BSP_LCD_SetTextColor (uint16_t Color)
	Sets the LCD text color.
void	BSP_LCD_SetBackColor (uint16_t Color)
	Sets 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.
void	BSP_LCD_Clear (uint16_t Color)
	Clears the hole LCD.
void	BSP_LCD_ClearStringLine (uint16_t Line)
	Clears the selected line.
void	BSP_LCD_DisplayChar (uint16_t Xpos, uint16_t Ypos, uint8_t Ascii)
	Displays one character.
void	BSP_LCD_DisplayStringAt (uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Line_ModeTypdef Mode)
	Displays characters on the LCD.
void	BSP_LCD_DisplayStringAtLine (uint16_t Line, uint8_t *ptr)
	Displays a character on the LCD.
uint16_t	BSP_LCD_ReadPixel (uint16_t Xpos, uint16_t Ypos)
	Reads an LCD pixel.
void	BSP_LCD_DrawPixel (uint16_t Xpos, uint16_t Ypos, uint16_t RGB_Code)
	Draws a pixel on LCD.
void	BSP_LCD_DrawHLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws an horizontal line.
void	BSP_LCD_DrawVLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws a vertical line.
void	BSP_LCD_DrawLine (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draws an uni-line (between two points).
void	BSP_LCD_DrawRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a rectangle.
void	BSP_LCD_DrawCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a circle.
void	BSP_LCD_DrawPolygon (pPoint Points, uint16_t PointCount)
	Draws an poly-line (between many points).
void	BSP_LCD_DrawEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws an ellipse on LCD.
void	BSP_LCD_DrawBitmap (uint16_t Xpos, uint16_t Ypos, uint8_t *pbmp)
	Draws a bitmap picture (16 bpp).
void	BSP_LCD_DrawRGBImage (uint16_t Xpos, uint16_t Ypos, uint16_t Xsize, uint16_t Ysize, uint8_t *pdata)
	Draws RGB Image (16 bpp).
void	BSP_LCD_FillRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a full rectangle.
void	BSP_LCD_FillCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a full circle.
void	BSP_LCD_FillPolygon (pPoint Points, uint16_t PointCount)
	Draws a full poly-line (between many points).
void	BSP_LCD_FillEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws a full ellipse.
void	BSP_LCD_DisplayOn (void)
	Enables the display.
void	BSP_LCD_DisplayOff (void)
	Disables the display.
static void	DrawChar (uint16_t Xpos, uint16_t Ypos, const uint8_t *c)
	Draws a character on LCD.
static void	SetDisplayWindow (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Sets display window.
static void	FillTriangle (uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3)
	Fills a triangle (between 3 points).

---

Function Documentation

void BSP_LCD_Clear

(

uint16_t

Color

)

Clears the hole LCD.

Parameters:

Color,:

Color of the background

Definition at line 247 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawHLine(), BSP_LCD_GetXSize(), BSP_LCD_GetYSize(), BSP_LCD_SetTextColor(), and LCD_DrawPropTypeDef::TextColor.

void BSP_LCD_ClearStringLine

(

uint16_t

Line

)

Clears the selected line.

Parameters:

Line,:

Line to be cleared This parameter can be one of the following values: 0..9: if the Current fonts is Font16x24 0..19: if the Current fonts is Font12x12 or Font8x12 0..29: if the Current fonts is Font8x8

Definition at line 272 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::BackColor, BSP_LCD_FillRect(), BSP_LCD_GetXSize(), BSP_LCD_SetTextColor(), LCD_DrawPropTypeDef::pFont, and LCD_DrawPropTypeDef::TextColor.

uint8_t BSP_LCD_DeInit

(

void

)

DeInitializes the LCD.

Return values:

LCD

state

Definition at line 165 of file stm32446e_eval_lcd.c.

References LCD_OK.

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

Displays one character.

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 292 of file stm32446e_eval_lcd.c.

References DrawChar(), and LCD_DrawPropTypeDef::pFont.

Referenced by BSP_LCD_DisplayStringAt().

void BSP_LCD_DisplayOff

(

void

)

Disables the display.

Definition at line 879 of file stm32446e_eval_lcd.c.

References LcdDrv.

void BSP_LCD_DisplayOn

(

void

)

Enables the display.

Definition at line 871 of file stm32446e_eval_lcd.c.

References LcdDrv.

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

Displays characters on the LCD.

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 309 of file stm32446e_eval_lcd.c.

References BSP_LCD_DisplayChar(), BSP_LCD_GetXSize(), CENTER_MODE, LEFT_MODE, LCD_DrawPropTypeDef::pFont, and RIGHT_MODE.

Referenced by BSP_LCD_DisplayStringAtLine().

void BSP_LCD_DisplayStringAtLine	(	uint16_t	Line,
		uint8_t *	ptr
	)

Displays a character on the LCD.

Parameters:

Line,:	Line where to display the character shape This parameter can be one of the following values: 0..9: if the Current fonts is Font16x24 0..19: if the Current fonts is Font12x12 or Font8x12 0..29: if the Current fonts is Font8x8
ptr,:	Pointer to string to display on LCD

Definition at line 373 of file stm32446e_eval_lcd.c.

References BSP_LCD_DisplayStringAt(), and LEFT_MODE.

void BSP_LCD_DrawBitmap	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint8_t *	pbmp
	)

Draws a bitmap picture (16 bpp).

Parameters:

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

Definition at line 662 of file stm32446e_eval_lcd.c.

References BSP_LCD_GetXSize(), BSP_LCD_GetYSize(), LcdDrv, and SetDisplayWindow().

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

Draws a circle.

Parameters:

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

Definition at line 554 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawPixel(), BSP_LCD_SetFont(), LCD_DEFAULT_FONT, and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_FillCircle().

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

Draws an ellipse on LCD.

Parameters:

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

Definition at line 630 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawPixel(), and LCD_DrawPropTypeDef::TextColor.

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

Draws an horizontal line.

Parameters:

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

Definition at line 416 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawPixel(), LcdDrv, and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_Clear(), BSP_LCD_DrawRect(), BSP_LCD_FillCircle(), BSP_LCD_FillEllipse(), and BSP_LCD_FillRect().

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

Draws an uni-line (between two points).

Parameters:

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

Definition at line 463 of file stm32446e_eval_lcd.c.

References ABS, BSP_LCD_DrawPixel(), and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_DrawPolygon(), and FillTriangle().

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

Draws a pixel on LCD.

Parameters:

Xpos,:	X position
Ypos,:	Y position
RGB_Code,:	Pixel color in RGB mode (5-6-5)

Definition at line 402 of file stm32446e_eval_lcd.c.

References LcdDrv.

Referenced by BSP_LCD_DrawCircle(), BSP_LCD_DrawEllipse(), BSP_LCD_DrawHLine(), BSP_LCD_DrawLine(), BSP_LCD_DrawVLine(), and DrawChar().

void BSP_LCD_DrawPolygon	(	pPoint	Points,
		uint16_t	PointCount
	)

Draws an poly-line (between many points).

Parameters:

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

Definition at line 603 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawLine(), Point::X, and Point::Y.

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

Draws a rectangle.

Parameters:

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

Definition at line 537 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawHLine(), and BSP_LCD_DrawVLine().

void BSP_LCD_DrawRGBImage	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Xsize,
		uint16_t	Ysize,
		uint8_t *	pdata
	)

Draws RGB Image (16 bpp).

Parameters:

Xpos,:	X position in the LCD
Ypos,:	Y position in the LCD
Xsize,:	X size in the LCD
Ysize,:	Y size in the LCD
pdata,:	Pointer to the RGB Image address.

Definition at line 693 of file stm32446e_eval_lcd.c.

References BSP_LCD_GetXSize(), BSP_LCD_GetYSize(), LcdDrv, and SetDisplayWindow().

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

Draws a vertical line.

Parameters:

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

Definition at line 439 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawPixel(), LcdDrv, and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_DrawRect().

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

Draws a full circle.

Parameters:

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

Definition at line 728 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawCircle(), BSP_LCD_DrawHLine(), BSP_LCD_SetTextColor(), and LCD_DrawPropTypeDef::TextColor.

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

Draws a full ellipse.

Parameters:

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

Definition at line 842 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawHLine().

void BSP_LCD_FillPolygon	(	pPoint	Points,
		uint16_t	PointCount
	)

Draws a full poly-line (between many points).

Parameters:

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

Definition at line 775 of file stm32446e_eval_lcd.c.

References FillTriangle(), POLY_X, POLY_Y, Point::X, and Point::Y.

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

Draws a full rectangle.

Parameters:

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

Definition at line 712 of file stm32446e_eval_lcd.c.

References BSP_LCD_DrawHLine(), BSP_LCD_SetTextColor(), and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_ClearStringLine().

uint16_t BSP_LCD_GetBackColor

(

void

)

Gets the LCD background color.

Return values:

Used	background color

Definition at line 202 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::BackColor.

sFONT* BSP_LCD_GetFont

(

void

)

Gets the LCD text font.

Return values:

Used

font

Definition at line 238 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::pFont.

uint16_t BSP_LCD_GetTextColor

(

void

)

Gets the LCD text color.

Return values:

Used	text color.

Definition at line 193 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::TextColor.

uint32_t BSP_LCD_GetXSize

(

void

)

Gets the LCD X size.

Return values:

Used	LCD X size

Definition at line 175 of file stm32446e_eval_lcd.c.

References LcdDrv.

Referenced by BSP_LCD_Clear(), BSP_LCD_ClearStringLine(), BSP_LCD_DisplayStringAt(), BSP_LCD_DrawBitmap(), and BSP_LCD_DrawRGBImage().

uint32_t BSP_LCD_GetYSize

(

void

)

Gets the LCD Y size.

Return values:

Used	LCD Y size

Definition at line 184 of file stm32446e_eval_lcd.c.

References LcdDrv.

Referenced by BSP_LCD_Clear(), BSP_LCD_DrawBitmap(), and BSP_LCD_DrawRGBImage().

uint8_t BSP_LCD_Init

(

void

)

Initializes the LCD.

Return values:

LCD

state

Definition at line 136 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::BackColor, BSP_LCD_SetFont(), LCD_DEFAULT_FONT, LCD_ERROR, LCD_OK, LcdDrv, LCD_DrawPropTypeDef::pFont, and LCD_DrawPropTypeDef::TextColor.

uint16_t BSP_LCD_ReadPixel	(	uint16_t	Xpos,
		uint16_t	Ypos
	)

Reads an LCD pixel.

Parameters:

Xpos,:	X position
Ypos,:	Y position

Return values:

RGB	pixel color

Definition at line 384 of file stm32446e_eval_lcd.c.

References LcdDrv.

void BSP_LCD_SetBackColor

(

uint16_t

Color

)

Sets the LCD background color.

Parameters:

Color,:

Background color code RGB(5-6-5)

Definition at line 220 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::BackColor.

void BSP_LCD_SetFont

(

sFONT *

fonts

)

Sets the LCD text font.

Parameters:

fonts,:

Font to be used

Definition at line 229 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::pFont.

Referenced by BSP_LCD_DrawCircle(), and BSP_LCD_Init().

void BSP_LCD_SetTextColor

(

uint16_t

Color

)

Sets the LCD text color.

Parameters:

Color,:

Text color code RGB(5-6-5)

Definition at line 211 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_Clear(), BSP_LCD_ClearStringLine(), BSP_LCD_FillCircle(), and BSP_LCD_FillRect().

static void DrawChar	(	uint16_t	Xpos,
		uint16_t	Ypos,
		const uint8_t *	c
	)		[static]

Draws a character on LCD.

Parameters:

Xpos,:	Line where to display the character shape
Ypos,:	Start column address
c,:	Pointer to the character data

Definition at line 894 of file stm32446e_eval_lcd.c.

References LCD_DrawPropTypeDef::BackColor, BSP_LCD_DrawPixel(), LCD_DrawPropTypeDef::pFont, and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_DisplayChar().

static void FillTriangle	(	uint16_t	x1,
		uint16_t	x2,
		uint16_t	x3,
		uint16_t	y1,
		uint16_t	y2,
		uint16_t	y3
	)		[static]

Fills a triangle (between 3 points).

Parameters:

x1,:	Point 1 X position
y1,:	Point 1 Y position
x2,:	Point 2 X position
y2,:	Point 2 Y position
x3,:	Point 3 X position
y3,:	Point 3 Y position

Definition at line 966 of file stm32446e_eval_lcd.c.

References ABS, and BSP_LCD_DrawLine().

Referenced by BSP_LCD_FillPolygon().

static void SetDisplayWindow	(	uint16_t	Xpos,
		uint16_t	Ypos,
		uint16_t	Width,
		uint16_t	Height
	)		[static]

Sets display window.

Parameters:

Xpos,:	LCD X position
Ypos,:	LCD Y position
Width,:	LCD window width
Height,:	LCD window height

Definition at line 949 of file stm32446e_eval_lcd.c.

References LcdDrv.

Referenced by BSP_LCD_DrawBitmap(), and BSP_LCD_DrawRGBImage().