_TERMDCB Struct Reference

Terminal device control block structure. More...

#include <dev/term.h>

Collaboration diagram for _TERMDCB:

Data Fields
int(*	dss_init )(NUTDEVICE *)
	Initialize display subsystem.
void(*	dss_write )(uint8_t)
	Write display character.
void(*	dss_command )(uint8_t, uint8_t)
	Write display command.
void(*	dss_clear )(void)
	Clear display.
void(*	dss_set_cursor )(uint8_t)
	Set display cursor.
void(*	dss_cursor_home )(void)
	Set display cursor home.
void(*	dss_cursor_left )(void)
	Move display cursor left.
void(*	dss_cursor_right )(void)
	Move display cursor right.
void(*	dss_cursor_mode )(uint8_t)
	Switch cursor on/off.
uint32_t	dcb_modeflags
	Mode flags.
uint8_t	dcb_ctlseq
	Control sequence.
uint8_t	dcb_nrows
	Number of rows. Specifies the display height.
uint8_t	dcb_ncols
	Total number of columns per row. Used to calculate display memory addresses.
uint8_t	dcb_vcols
	Number of visible columns. Specifies the display width being updated.
uint8_t	dcb_row
	Cursor row.
uint8_t	dcb_col
	Cursor column.
uint8_t *	dcb_smem
	Display shadow memory.
uint8_t *	dcb_sptr
	Display shadow memory.

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Detailed Description

Terminal device control block structure.

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Field Documentation

int(* _TERMDCB::dss_init)(NUTDEVICE *)

Initialize display subsystem.

Referenced by TermInit().

void(* _TERMDCB::dss_write)(uint8_t)

Write display character.

Referenced by TermIOCtl().

void(* _TERMDCB::dss_command)(uint8_t, uint8_t)

Write display command.

Referenced by TermIOCtl().

void(* _TERMDCB::dss_clear)(void)

Clear display.

void(* _TERMDCB::dss_set_cursor)(uint8_t)

Set display cursor.

Referenced by TermRefresh().

void(* _TERMDCB::dss_cursor_home)(void)

Set display cursor home.

void(* _TERMDCB::dss_cursor_left)(void)

Move display cursor left.

void(* _TERMDCB::dss_cursor_right)(void)

Move display cursor right.

void(* _TERMDCB::dss_cursor_mode)(uint8_t)

Switch cursor on/off.

uint32_t _TERMDCB::dcb_modeflags

Mode flags.

Referenced by TermIOCtl(), and TermOpen().

uint8_t _TERMDCB::dcb_ctlseq

Control sequence.

uint8_t _TERMDCB::dcb_nrows

Number of rows. Specifies the display height.

Referenced by TermInit(), TermIOCtl(), and TermRefresh().

uint8_t _TERMDCB::dcb_ncols

Total number of columns per row. Used to calculate display memory addresses.

Referenced by TermRefresh().

uint8_t _TERMDCB::dcb_vcols

Number of visible columns. Specifies the display width being updated.

Referenced by TermInit(), and TermIOCtl().

uint8_t _TERMDCB::dcb_row

Cursor row.

Referenced by TermRefresh().

uint8_t _TERMDCB::dcb_col

Cursor column.

Referenced by TermRefresh().

uint8_t* _TERMDCB::dcb_smem

Display shadow memory.

Referenced by TermInit().

uint8_t* _TERMDCB::dcb_sptr

Display shadow memory.

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The documentation for this struct was generated from the following file:

• include/dev/term.h