STM32F723E-Discovery BSP User Manual: STM32F723E Discovery Lcd Private Functions

STM32F723E-Discovery BSP

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STM32F723E-Discovery BSP User Manual
Functions
STM32F723E Discovery Lcd Private Functions
STM32F723E-DISCOVERY LCD

Functions

uint8_t BSP_LCD_Init (void)
 Initializes the LCD.
uint8_t BSP_LCD_InitEx (uint32_t orientation)
 Initializes the LCD with a given orientation.
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.
__weak void BSP_LCD_MspInit (void)
 Initializes the LCD GPIO special pins MSP.
__weak void BSP_LCD_MspDeInit (void)
 DeInitializes LCD GPIO special pins MSP.
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
Return values:
None

Definition at line 301 of file stm32f723e_discovery_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
Return values:
None

Definition at line 327 of file stm32f723e_discovery_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:
LCDstate

Definition at line 215 of file stm32f723e_discovery_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
Return values:
None

Definition at line 348 of file stm32f723e_discovery_lcd.c.

References DrawChar(), and LCD_DrawPropTypeDef::pFont.

Referenced by BSP_LCD_DisplayStringAt().

void BSP_LCD_DisplayOff ( void  )

Disables the display.

Return values:
None

Definition at line 953 of file stm32f723e_discovery_lcd.c.

References LcdDrv.

void BSP_LCD_DisplayOn ( void  )

Enables the display.

Return values:
None

Definition at line 944 of file stm32f723e_discovery_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
Return values:
None

Definition at line 366 of file stm32f723e_discovery_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
Return values:
None

Definition at line 431 of file stm32f723e_discovery_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.
Return values:
None

Definition at line 729 of file stm32f723e_discovery_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
Return values:
None

Definition at line 618 of file stm32f723e_discovery_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
Return values:
None

Definition at line 696 of file stm32f723e_discovery_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
Return values:
None

Definition at line 476 of file stm32f723e_discovery_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
Return values:
None

Definition at line 525 of file stm32f723e_discovery_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)
Return values:
None

Definition at line 461 of file stm32f723e_discovery_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
Return values:
None

Definition at line 668 of file stm32f723e_discovery_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
Return values:
None

Definition at line 600 of file stm32f723e_discovery_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.
Return values:
None

Definition at line 761 of file stm32f723e_discovery_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
Return values:
None

Definition at line 500 of file stm32f723e_discovery_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
Return values:
None

Definition at line 798 of file stm32f723e_discovery_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
Return values:
None

Definition at line 914 of file stm32f723e_discovery_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
Return values:
None

Definition at line 846 of file stm32f723e_discovery_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
Return values:
None

Definition at line 781 of file stm32f723e_discovery_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:
Usedbackground color

Definition at line 252 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::BackColor.

sFONT* BSP_LCD_GetFont ( void  )

Gets the LCD text font.

Return values:
Usedfont

Definition at line 291 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::pFont.

uint16_t BSP_LCD_GetTextColor ( void  )

Gets the LCD text color.

Return values:
Usedtext color.

Definition at line 243 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::TextColor.

uint32_t BSP_LCD_GetXSize ( void  )

Gets the LCD X size.

Return values:
UsedLCD X size

Definition at line 225 of file stm32f723e_discovery_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:
UsedLCD Y size

Definition at line 234 of file stm32f723e_discovery_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:
LCDstate

Definition at line 149 of file stm32f723e_discovery_lcd.c.

References BSP_LCD_InitEx(), and LCD_ORIENTATION_LANDSCAPE.

uint8_t BSP_LCD_InitEx ( uint32_t  orientation)

Initializes the LCD with a given orientation.

Parameters:
orientation,:LCD_ORIENTATION_PORTRAIT or LCD_ORIENTATION_LANDSCAPE
Return values:
LCDstate

Definition at line 158 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::BackColor, BSP_LCD_MspInit(), BSP_LCD_SetFont(), LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, LCD_DEFAULT_FONT, LCD_ERROR, LCD_OK, LCD_ORIENTATION_LANDSCAPE_ROT180, LCD_ORIENTATION_PORTRAIT, LCD_RESET_GPIO_PORT, LCD_RESET_PIN, LcdDrv, LCD_DrawPropTypeDef::pFont, and LCD_DrawPropTypeDef::TextColor.

Referenced by BSP_LCD_Init().

__weak void BSP_LCD_MspDeInit ( void  )

DeInitializes LCD GPIO special pins MSP.

Return values:
None

Definition at line 996 of file stm32f723e_discovery_lcd.c.

References LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, LCD_RESET_GPIO_PORT, LCD_RESET_PIN, LCD_TE_GPIO_PORT, and LCD_TE_PIN.

__weak void BSP_LCD_MspInit ( void  )

Initializes the LCD GPIO special pins MSP.

Return values:
None

Definition at line 963 of file stm32f723e_discovery_lcd.c.

References LCD_BL_CTRL_GPIO_CLK_ENABLE, LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, LCD_RESET_GPIO_CLK_ENABLE, LCD_RESET_GPIO_PORT, LCD_RESET_PIN, LCD_TE_GPIO_CLK_ENABLE, LCD_TE_GPIO_PORT, and LCD_TE_PIN.

Referenced by BSP_LCD_InitEx().

uint16_t BSP_LCD_ReadPixel ( uint16_t  Xpos,
uint16_t  Ypos 
)

Reads an LCD pixel.

Parameters:
Xpos,:X position
Ypos,:Y position
Return values:
RGBpixel color

Definition at line 442 of file stm32f723e_discovery_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)
Return values:
None

Definition at line 272 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::BackColor.

void BSP_LCD_SetFont ( sFONT *  fonts)

Sets the LCD text font.

Parameters:
fonts,:Font to be used
Return values:
None

Definition at line 282 of file stm32f723e_discovery_lcd.c.

References LCD_DrawPropTypeDef::pFont.

Referenced by BSP_LCD_DrawCircle(), and BSP_LCD_InitEx().

void BSP_LCD_SetTextColor ( uint16_t  Color)

Sets the LCD text color.

Parameters:
Color,:Text color code RGB(5-6-5)
Return values:
None

Definition at line 262 of file stm32f723e_discovery_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
Return values:
None

Definition at line 1027 of file stm32f723e_discovery_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
Return values:
None

Definition at line 1101 of file stm32f723e_discovery_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
Return values:
None

Definition at line 1083 of file stm32f723e_discovery_lcd.c.

References LcdDrv.

Referenced by BSP_LCD_DrawBitmap(), and BSP_LCD_DrawRGBImage().

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