Library Functions. More...

Functions
void	TM_ILI9341_Init (void)
	Initializes ILI9341 LCD with LTDC peripheral It also initializes external SDRAM. More...

void	TM_ILI9341_DrawPixel (uint16_t x, uint16_t y, uint32_t color)
	Draws single pixel to LCD. More...

void	TM_ILI9341_Fill (uint32_t color)
	Fills entire LCD with color. More...

void	TM_ILI9341_Rotate (TM_ILI9341_Orientation_t orientation)
	Rotates LCD to specific orientation. More...

void	TM_ILI9341_Putc (uint16_t x, uint16_t y, char c, TM_FontDef_t *font, uint32_t foreground, uint32_t background)
	Puts single character to LCD. More...

void	TM_ILI9341_Puts (uint16_t x, uint16_t y, char str, TM_FontDef_t font, uint32_t foreground, uint32_t background)
	Puts string to LCD. More...

void	TM_ILI9341_GetStringSize (char str, TM_FontDef_t font, uint16_t width, uint16_t height)
	Gets width and height of box with text. More...

void	TM_ILI9341_DrawLine (uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint32_t color)
	Draws line to LCD. More...

void	TM_ILI9341_DrawRectangle (uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint32_t color)
	Draws rectangle on LCD. More...

void	TM_ILI9341_DrawFilledRectangle (uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint32_t color)
	Draws filled rectangle on LCD. More...

void	TM_ILI9341_DrawRoundedRectangle (uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t r, uint32_t color)
	Draws rounded rectangle on LCD. More...

void	TM_ILI9341_DrawFilledRoundedRectangle (uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t r, uint32_t color)
	Draws filled rounded rectangle on LCD. More...

void	TM_ILI9341_DrawCircle (int16_t x0, int16_t y0, int16_t r, uint32_t color)
	Draws circle on LCD. More...

void	TM_ILI9341_DrawFilledCircle (int16_t x0, int16_t y0, int16_t r, uint32_t color)
	Draws filled circle on LCD. More...

void	TM_ILI9341_SetLayer1 (void)
	Sets layer 2 to currently active layer. More...

void	TM_ILI9341_SetLayer2 (void)
	Sets layer 2 to currently active layer. More...

void	TM_ILI9341_SetLayer1Opacity (uint8_t opacity)
	Sets layer 1 opacity. More...

void	TM_ILI9341_SetLayer2Opacity (uint8_t opacity)
	Sets layer 2 opacity. More...

void	TM_ILI9341_ChangeLayers (void)
	This changes current active layer It sets transparency to 0 and 255 depends on which layer is selected. More...

void	TM_ILI9341_Layer2To1 (void)
	Copies content of layer 2 to layer 1. More...

void	TM_ILI9341_Layer1To2 (void)
	Copies content of layer 1 to layer 2. More...

void	TM_ILI9341_DisplayOn (void)
	Enables display. More...

void	TM_ILI9341_DisplayOff (void)
	Disables display. More...

Detailed Description

Library Functions.

Function Documentation

void TM_ILI9341_ChangeLayers ( void )

This changes current active layer It sets transparency to 0 and 255 depends on which layer is selected.

Note: If current layer is Layer 1, then now will be Layer 2 and vice versa

Return values

None

void TM_ILI9341_DisplayOff ( void )

Disables display.

Parameters

None

Return values

None

void TM_ILI9341_DisplayOn ( void )

Enables display.

Note: After initialization, LCD is enabled and you don't need to call this function

Parameters

None

Return values

None

void TM_ILI9341_DrawCircle	(	int16_t	x0,
		int16_t	y0,
		int16_t	r,
		uint32_t	color
	)

Draws circle on LCD.

Parameters

x0	X coordinate of center circle point
y0	Y coordinate of center circle point
r	Circle radius
color	Circle color

Return values

None

void TM_ILI9341_DrawFilledCircle	(	int16_t	x0,
		int16_t	y0,
		int16_t	r,
		uint32_t	color
	)

Draws filled circle on LCD.

Parameters

x0	X coordinate of center circle point
y0	Y coordinate of center circle point
r	Circle radius
color	Circle color

Return values

None

void TM_ILI9341_DrawFilledRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	x1,
		uint16_t	y1,
		uint32_t	color
	)

Draws filled rectangle on LCD.

Parameters

x0	X coordinate of top left point
y0	Y coordinate of top left point
x1	X coordinate of bottom right point
y1	Y coordinate of bottom right point
color	Rectangle color

Return values

None

void TM_ILI9341_DrawFilledRoundedRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	x1,
		uint16_t	y1,
		uint16_t	r,
		uint32_t	color
	)

Draws filled rounded rectangle on LCD.

Parameters

x0	X coordinate of top left point
y0	Y coordinate of top left point
x1	X coordinate of bottom right point
y1	Y coordinate of bottom right point
r	Radius for corners
color	Rectangle color

Return values

None

void TM_ILI9341_DrawLine	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	x1,
		uint16_t	y1,
		uint32_t	color
	)

Draws line to LCD.

Parameters

x0	X coordinate of starting point
y0	Y coordinate of starting point
x1	X coordinate of ending point
y1	Y coordinate of ending point
color	Line color

Return values

None

void TM_ILI9341_DrawPixel	(	uint16_t	x,
		uint16_t	y,
		uint32_t	color
	)

Draws single pixel to LCD.

Parameters

x	X position for pixel
y	Y position for pixel
color	Color of pixel

Return values

None

void TM_ILI9341_DrawRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	x1,
		uint16_t	y1,
		uint32_t	color
	)

Draws rectangle on LCD.

Parameters

x0	X coordinate of top left point
y0	Y coordinate of top left point
x1	X coordinate of bottom right point
y1	Y coordinate of bottom right point
color	Rectangle color

Return values

None

void TM_ILI9341_DrawRoundedRectangle	(	uint16_t	x0,
		uint16_t	y0,
		uint16_t	x1,
		uint16_t	y1,
		uint16_t	r,
		uint32_t	color
	)

Draws rounded rectangle on LCD.

Parameters

x0	X coordinate of top left point
y0	Y coordinate of top left point
x1	X coordinate of bottom right point
y1	Y coordinate of bottom right point
r	Radius for corners
color	Rectangle color

Return values

None

void TM_ILI9341_Fill ( uint32_t color )

Fills entire LCD with color.

Parameters

color Color to be used in fill

Return values

None

void TM_ILI9341_GetStringSize	(	char *	str,
		TM_FontDef_t *	font,
		uint16_t *	width,
		uint16_t *	height
	)

Gets width and height of box with text.

Parameters

*str	Pointer to first character
*font	Pointer to TM_FontDef_t used font
*width	Pointer to variable to store width
*height	Pointer to variable to store height

Return values

None

void TM_ILI9341_Init ( void )

Initializes ILI9341 LCD with LTDC peripheral It also initializes external SDRAM.

Parameters

None

Return values

None

void TM_ILI9341_Layer1To2 ( void )

Copies content of layer 1 to layer 2.

Note: It will do a memory copy from layer 1 to layer 2

Return values

None

void TM_ILI9341_Layer2To1 ( void )

Copies content of layer 2 to layer 1.

Note: It will do a memory copy from layer 2 to layer 1

Return values

None

void TM_ILI9341_Putc	(	uint16_t	x,
		uint16_t	y,
		char	c,
		TM_FontDef_t *	font,
		uint32_t	foreground,
		uint32_t	background
	)

Puts single character to LCD.

Parameters

x	X position of top left corner
y	Y position of top left corner
c	Character to be displayed
*font	Pointer to TM_FontDef_t used font
foreground	Color for char
background	Color for char background

Return values

None

void TM_ILI9341_Puts	(	uint16_t	x,
		uint16_t	y,
		char *	str,
		TM_FontDef_t *	font,
		uint32_t	foreground,
		uint32_t	background
	)

Puts string to LCD.

Parameters

x	X position of top left corner of first character in string
y	Y position of top left corner of first character in string
*str	Pointer to first character
*font	Pointer to TM_FontDef_t used font
foreground	Color for string
background	Color for string background

Return values

None

void TM_ILI9341_Rotate ( TM_ILI9341_Orientation_t orientation )

Rotates LCD to specific orientation.

Parameters

orientation LCD orientation. This parameter can be a value of TM_ILI9341_Orientation_t enumeration

Return values

None

void TM_ILI9341_SetLayer1 ( void )

Sets layer 2 to currently active layer.

Parameters

None

Return values

None

void TM_ILI9341_SetLayer1Opacity ( uint8_t opacity )

Sets layer 1 opacity.

Parameters

opacity 0 to 255, 0 is no opacity, 255 is no transparency

Return values

None

void TM_ILI9341_SetLayer2 ( void )

Sets layer 2 to currently active layer.

Parameters

None

Return values

None

void TM_ILI9341_SetLayer2Opacity ( uint8_t opacity )

Sets layer 2 opacity.

Parameters

opacity 0 to 255, 0 is no opacity, 255 is no transparency

Return values

None