nextion.h File Reference

Nextion display driver interface. More...

#include <stdint.h>
#include <strbuf.h>

Go to the source code of this file.

Macros
#define	NXT_CMD_TERM   "\xFF\xFF\xFF"
#define	ASCII_OFFSET   48
#define	NXT_BACKGROUND_COLOR   ".bco="
#define	NXT_FONT_COLOR   ".pco="
#define	NXT_VALUE   ".val="
#define	NXT_TEXT   ".txt="
#define	NXT_BORDERW   ".borderw="
#define	NXT_BORDER_COLOR   ".borderc="
#define	NXT_PAGE   "page "
#define	NXT_BRIGHTNESS   "dims="
#define	NXT_BAUD   "bauds="

Functions
void	NXT_setFloat (char *obj_name, char *param, float num, uint8_t precision)
	Sets a float value to a specified object parameter on the Nextion display.
void	NXT_setValue (char *obj_name, uint16_t val)
	Sets a value to a specified object on the Nextion display.
void	NXT_setBackground (char *obj_name, uint16_t val)
	Sets the background color of a specified object on the Nextion display.
void	NXT_setFontColor (char *obj_name, uint16_t val)
	Sets the font color of a specified object on the Nextion display.
void	NXT_setBorderWidth (char *obj_name, uint16_t val)
	Sets the border width of a specified object on the Nextion display.
void	NXT_setBorderColor (char *obj_name, uint16_t val)
	Sets the border color of a specified object on the Nextion display.
void	NXT_setText (char *obj_name, char *text)
	Sets the text of a Nextion display object.
void	NXT_setTextFormatted (char *obj_name, const char *format,...)
	Sets the text of a Nextion display object using printf-style formatting.
void	NXT_setPage (char *page_name)
	Sets the current page on the Nextion display.
void	NXT_setBrightness (uint8_t brightness)
	Sets the brightness of the Nextion display.
void	NXT_setBaud (uint32_t baud)
	Sets the baud rate for the Nextion display.

Detailed Description

Nextion display driver interface.

Interface for controlling Nextion display modules through serial communication.

Author

Matthew Flanagan (matth.nosp@m.ewda.nosp@m.vidfl.nosp@m.anag.nosp@m.an@ou.nosp@m.tloo.nosp@m.k.com)

Luke Oxley (lcoxl.nosp@m.ey@p.nosp@m.urdue.nosp@m..edu)

Irving Wang (irvin.nosp@m.gw@p.nosp@m.urdue.nosp@m..edu)

Function Documentation

NXT_setBackground()

void NXT_setBackground	(	char *	obj_name,
		uint16_t	val )

Sets the background color of a specified object on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
val	The background color value to set for the specified object.

NXT_setBaud()

void NXT_setBaud

(

uint32_t

baud

)

Sets the baud rate for the Nextion display.

Parameters

baud	The desired baud rate to set for the Nextion display.

NXT_setBorderColor()

void NXT_setBorderColor	(	char *	obj_name,
		uint16_t	val )

Sets the border color of a specified object on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
val	The border color value to set for the specified object.

NXT_setBorderWidth()

void NXT_setBorderWidth	(	char *	obj_name,
		uint16_t	val )

Sets the border width of a specified object on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
val	The border width value to set for the specified object.

NXT_setBrightness()

void NXT_setBrightness

(

uint8_t

percentage

)

Sets the brightness of the Nextion display.

Parameters

percentage

The desired brightness level as a percentage (0-100).

NXT_setFloat()

void NXT_setFloat	(	char *	obj_name,
		char *	param,
		float	num,
		uint8_t	precision )

Sets a float value to a specified object parameter on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
param	The parameter of the object to set the float value to.
num	The float value to set.
precision	The number of decimal places to include in the formatted float value.

NXT_setFontColor()

void NXT_setFontColor	(	char *	obj_name,
		uint16_t	val )

Sets the font color of a specified object on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
val	The font color value to set for the specified object.

NXT_setPage()

void NXT_setPage

(

char *

page_name

)

Sets the current page on the Nextion display.

Parameters

page_name

The name of the page to set on the Nextion display.

NXT_setText()

void NXT_setText	(	char *	obj_name,
		char *	text )

Sets the text of a Nextion display object.

Parameters

obj_name	The name of the Nextion object (e.g., "t0").
text	The text to set for the specified obect.

NXT_setTextFormatted()

void NXT_setTextFormatted	(	char *	obj_name,
		const char *	format,
			... )

Sets the text of a Nextion display object using printf-style formatting.

Parameters

obj_name	The name of the Nextion object (e.g., "t0").
format	Printf-style format string.
...	Variable arguments for format string.

NXT_setValue()

void NXT_setValue	(	char *	obj_name,
		uint16_t	val )

Sets a value to a specified object on the Nextion display.

Parameters

obj_name	The name of the object on the Nextion display.
val	The value to set for the specified object.