A class for driving Princeton PT6301 VFD controller. More...

#include <PT6301.h>

Inherited by PT6301_SMTC7140, and PT6301_SMTG7400.

Public Types
enum	Mode
	Enums for display mode. More...
typedef char	DisplayData_t [PT6301_MAX_NR_ROWS][PT6301_DSP_MEM]
	Datatypes for display data.
Public Member Functions
	PT6301 (PinName mosi, PinName sclk, PinName cs, PinName rst, Mode mode=Grid20, bool inverted_rows=false, int columns=PT6301_MAX_NR_GRIDS, int rows=PT6301_MAX_NR_ROWS)
	Constructor for class for driving Princeton PT6301 VFD controller.
void	setBrightness (char brightness=PT6301_BRT_DEF)
	Set Brightness.
void	setDisplay (bool on)
	Set the Display mode On/off.
void	setDisplayTest (bool on)
	Set the Display test mode On/off.
void	setUDC (unsigned char udc_idx, UDCData_t udc_data)
	Set User Defined Characters (UDC) for A and B row.
void	setIcon (int row, int column)
	Set Icon.
void	clrIcon (int row, int column)
	Clr Icon.
void	locate (int row, int column)
	Locate cursor to a screen row, column.
void	cls (bool clrAll=true)
	Clear the screen and locate to (0,0)
void	refresh (bool copyAll=true)
	Refresh screen and show data in local mirrors on the display.
int	columns ()
	Number of screen columns.
int	rows ()
	Number of screen rows.
void	setData (char data, int row, int column)
	Write Data to local mirror.
char	getData (int row, int column)
	Read Data from local mirror.
void	setAData (char data, int row, int column)
	Write AData to local mirror.
char	getAData (int row, int column)
	Read AData from local mirror.
Protected Member Functions
void	_writeCmd (char cmd)
	Write Command byte to PT6301.
void	_writeCmd (char cmd, char data)
	Write Command and Data byte to PT6301.
char	_flip (char data)
	Helper to reverse all command or databits.
int	_row_flip (int row_idx)
	Helper to reverse row idx depending on VFD layout.
int	putc (int c)
	Write a character to the Display.
int	printf (const char *format,...)
	Write a formatted string to the Display.
virtual int	_putc (int value)
	Write a single character (Stream implementation)
virtual int	_getc ()
	Get a single character (Stream implementation)

Detailed Description

A class for driving Princeton PT6301 VFD controller.

Supports upto 20 Grids of 5x7 matrix segments for 2 rows of characters (A and B). Also supports 1 additional segment for 2 rows (A and B). SPI bus interface device (LSB first).

Definition at line 279 of file PT6301.h.

Member Typedef Documentation

typedef char DisplayData_t[PT6301_MAX_NR_ROWS][PT6301_DSP_MEM]

Datatypes for display data.

Definition at line 303 of file PT6301.h.

Member Enumeration Documentation

enum Mode

Enums for display mode.

Definition at line 283 of file PT6301.h.

Constructor & Destructor Documentation

PT6301	(	PinName	mosi,
		PinName	sclk,
		PinName	cs,
		PinName	rst,
		Mode	mode = `Grid20`,
		bool	inverted_rows = `false`,
		int	columns = `PT6301_MAX_NR_GRIDS`,
		int	rows = `PT6301_MAX_NR_ROWS`
	)

Constructor for class for driving Princeton PT6301 VFD controller.

Supports upto 20 Grids of 5x7 matrix segments for 2 rows of characters (row A and B). Also supports 1 additional segment for 2 rows of characters (row A and B). SPI bus interface device.

Parameters:

PinName	mosi, sclk, cs SPI bus pins
PinName	rst reset pin
Mode	selects number of Grids and Segments (default 20 Grids, 5x7 matrix segments + 1 additional segment for 2 rows)
bool	inverted_rows selects mapping of Data onto Display layout (default false)
Columns	selects number of characters per row (default 20, same as Grids)
Rows	selects number of rows (default 2)

Supports upto 20 Grids of 5x7 matrix segments for 2 rows of characters (row A and B). also supports 2 additional segments for 2 rows of characters (row A and B). SPI bus interface device.

Parameters:

PinName	mosi, sclk, cs SPI bus pins
Mode	selects number of Grids and Rows (default 20 Grids, 2 rows)
bool	inverted_rows selects mapping of Data onto Display layout (default false)
Columns	selects number of characters per row (default 20, same as Mode Grids)
Rows	selects number of rows (default 2, same as Mode Rows)

Definition at line 41 of file PT6301.cpp.

Member Function Documentation

char _flip ( char data ) [protected]

Helper to reverse all command or databits.

The PT6301 expects LSB first, whereas SPI is MSB first

Parameters:

char data

Returns:: bitreversed data

Definition at line 479 of file PT6301.cpp.

int _getc ( ) [protected, virtual]

Get a single character (Stream implementation)

Parameters:

none

Returns:: -1

Definition at line 560 of file PT6301.cpp.

int _putc ( int value ) [protected, virtual]

Write a single character (Stream implementation)

Parameters:

value char to print

Returns:: value;

Definition at line 518 of file PT6301.cpp.

int _row_flip ( int row_idx ) [protected]

Helper to reverse row idx depending on VFD layout.

Parameters:

int row_idx

Returns:: adjusted row_idx

Definition at line 499 of file PT6301.cpp.

void _writeCmd ( char cmd ) [protected]

Write Command byte to PT6301.

Write command to PT6301.

Parameters:

char	cmd Command byte

Returns:: none

Definition at line 360 of file PT6301.cpp.

void _writeCmd	(	char	cmd,
		char	data
	)		`[protected]`

Write Command and Data byte to PT6301.

Write command and data to PT6301.

Parameters:

char	cmd Command byte
char	data Parameter for Command byte

Returns:: none

Parameters:

char	cmd Command byte
char	data Parameter for command

Returns:: none

Definition at line 380 of file PT6301.cpp.

void clrIcon	(	int	row,
		int	column
	)

Clr Icon.

Parameters:

int	row The row of the icon (0..(rows-1))
int	column The column of the icon (0..(cols-1))

Returns:: none

Definition at line 343 of file PT6301.cpp.

void cls ( bool clrAll = true )

Clear the screen and locate to (0,0)

Parameters:

bool	clrAll Clear Icons also (default = true)
bool	clrAll Clear Icons also (default = false)

Returns:: none

Definition at line 97 of file PT6301.cpp.

int columns ( )

Number of screen columns.

Parameters:

none

Returns:: columns

Definition at line 137 of file PT6301.cpp.

char getAData	(	int	row,
		int	column
	)

Read AData from local mirror.

Parameters:

row	The vertical position from the top, indexed from 0
column	The horizontal position from the left, indexed from 0

Returns:: char The symbol databyte

Definition at line 459 of file PT6301.cpp.

char getData	(	int	row,
		int	column
	)

Read Data from local mirror.

Parameters:

row	The vertical position from the top, indexed from 0
column	The horizontal position from the left, indexed from 0

Returns:: char The databyte

Definition at line 422 of file PT6301.cpp.

void locate	(	int	row,
		int	column
	)

Locate cursor to a screen row, column.

Parameters:

row	The vertical position from the top, indexed from 0
column	The horizontal position from the left, indexed from 0

Returns:: none

Definition at line 120 of file PT6301.cpp.

int printf	(	const char *	format,
			...
	)		`[protected]`

Write a formatted string to the Display.

Parameters:

format A printf-style format string, followed by the variables to use in formatting the string.

int putc ( int c ) [protected]

Write a character to the Display.

Parameters:

c	The character to write to the display RAM

Returns:: char written

void refresh ( bool copyAll = true )

Refresh screen and show data in local mirrors on the display.

Parameters:

bool	copyAll Copy Icons in Adat local mirror also (default = true)

Returns:: none

Definition at line 157 of file PT6301.cpp.

int rows ( )

Number of screen rows.

Parameters:

none

Returns:: rows

Definition at line 147 of file PT6301.cpp.

void setAData	(	char	data,
		int	row,
		int	column
	)

Write AData to local mirror.

Parameters:

char	data The symbol databyte
row	The vertical position from the top, indexed from 0
column	The horizontal position from the left, indexed from 0

Returns:: none

Definition at line 441 of file PT6301.cpp.

void setBrightness ( char brightness = PT6301_BRT_DEF )

Set Brightness.

Parameters:

char	brightness (3 significant bits, valid range 0..7 (dutycycle linked to number of grids)

Returns:: none

Parameters:

char	brightness (valid range 0..255)

Returns:: none

Definition at line 227 of file PT6301.cpp.

void setData	(	char	data,
		int	row,
		int	column
	)

Write Data to local mirror.

Parameters:

char	data The databyte
row	The vertical position from the top, indexed from 0
column	The horizontal position from the left, indexed from 0

Returns:: none

Definition at line 404 of file PT6301.cpp.

void setDisplay ( bool on )

Set the Display mode On/off.

Parameters:

bool	display mode

Returns:: none

Definition at line 241 of file PT6301.cpp.

void setDisplayTest ( bool on )

Set the Display test mode On/off.

Parameters:

bool	display test mode

Returns:: none

Definition at line 260 of file PT6301.cpp.

void setIcon	(	int	row,
		int	column
	)

Set Icon.

Parameters:

int	row The row of the icon (0..(rows-1))
int	column The column of the icon (0..(cols-1))

Returns:: none

Definition at line 326 of file PT6301.cpp.

void setUDC	(	unsigned char	udc_idx,
		UDCData_t	udc_data
	)

Set User Defined Characters (UDC) for A and B row.

Set User Defined Characters (UDC) for A and B.

Parameters:

unsigned	char udc_idx The Index of the UDC (0..15)
UDCData_t	udc_data The bitpattern for the UDC (5 bytes)

Returns:: none

Definition at line 280 of file PT6301.cpp.

Type:	Library
Created:	13 Jun 2021
Imports:	1
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	0
Followers:	1

Important changes to repositories hosted on mbed.com

PT6301 Class Reference

Public Types

Public Member Functions

Protected Member Functions

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Repository toolbox

Repository details

Important Information for this Arm website

Important changes to repositories hosted on mbed.com

PT6301 Class Reference

Public Types

Public Member Functions

Protected Member Functions

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning