Printer

IR printer functions. More...

Macros
#define	PRINT_GRA_LN   1
	Graphics line type for printer buffer emulation.
#define	PRINT_TXT_LN   0
	Text line type for printer buffer emulation.
#define	MAX_82240_WIDTH   166
	Printer line width (pixels)
#define	DFLT_82240_LINE_DUR   1800
	Default line print delay.

Functions
void	print_byte (uint8_t b)
	Send byte to printer. More...
void	print_buffer (uint8_t *buf, int cnt)
	Send bytes to printer. More...
int	print_is_ready ()
	Check whether IR hw is ready for send. More...
uint	printer_get_delay ()
	Returns current printer line delay. More...
void	printer_set_delay (uint val)
	Sets printer line delay. More...
void	printer_advance_buf (int what)
	Add line type to printer buffer emulation. More...
int	printer_busy_for (int what)
	Wait until printer buffer is free for given line type. More...

Detailed Description

IR printer functions.

At this time supports HP-82240 compatible printers only.

Function Documentation

print_buffer()

void print_buffer	(	uint8_t *	buf,
		int	cnt
	)

Send bytes to printer.

Parameters

buf	Bytes to send
cnt	Number of bytes to send

print_byte()

void print_byte

(

uint8_t

b

)

Send byte to printer.

Parameters

b	Byte to send

print_is_ready()

int print_is_ready

(

)

Check whether IR hw is ready for send.

Returns

(0/1) 1 = IR hw is ready

printer_advance_buf()

void printer_advance_buf

(

int

what

)

Add line type to printer buffer emulation.

Parameters

what	Printer line type

printer_busy_for()

int printer_busy_for

(

int

what

)

Wait until printer buffer is free for given line type.

Parameters

what	Printer line type

printer_get_delay()

uint printer_get_delay

(

)

Returns current printer line delay.

Returns

[ms] Printer line delay

printer_set_delay()

void printer_set_delay

(

uint

val

)

Sets printer line delay.

Parameters

val	[ms] Printer line delay