spi_7seg.h File Reference

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#include <sys/device.h>
#include <dev/spibus.h>

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Defines
#define	ESC_CHAR   "\x1B"
#define	CLR_7SEG   ESC_CHAR "c"
#define	BLS_7SEG   ESC_CHAR "b"
#define	BLF_7SEG   ESC_CHAR "f"
#define	NOR_7SEG   ESC_CHAR "n"
#define	HOME_7SEG   ESC_CHAR "h"
#define	TEST_7SEG   ESC_CHAR "t"
#define	INT_7SEG   ESC_CHAR "i"
#define	DOT_7SEG_CLR   0
#define	DOT_7SEG_SET   1
#define	DOT_7SEG_FLIP   2
Functions
void	Spi7segDot (NUTDEVICE *dev, uint8_t pos, uint8_t act)
	File Handle for 7-Sefgment Display.
int	Spi7segCommand (NUTDEVICE *dev, uint8_t addr, const void *txbuf, void *rxbuf, int xlen)
Variables
NUTSPINODE	nodeSpi7SEG
	7seg SPI node implementation structure.
NUTDEVICE	devSpi7SEG
	7seg device implementation structure.

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Detailed Description

ntrx

 * $Id: spi_ntrx.h$
 * 

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Define Documentation

#define ESC_CHAR   "\x1B"

#define CLR_7SEG   ESC_CHAR "c"

#define BLS_7SEG   ESC_CHAR "b"

#define BLF_7SEG   ESC_CHAR "f"

#define NOR_7SEG   ESC_CHAR "n"

#define HOME_7SEG   ESC_CHAR "h"

#define TEST_7SEG   ESC_CHAR "t"

#define INT_7SEG   ESC_CHAR "i"

#define DOT_7SEG_CLR   0

Referenced by Spi7segDot().

#define DOT_7SEG_SET   1

Referenced by Spi7segDot().

#define DOT_7SEG_FLIP   2

Referenced by Spi7segDot().

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Function Documentation

void Spi7segDot	(	NUTDEVICE *	dev,
		uint8_t	pos,
		uint8_t	act
	)

File Handle for 7-Sefgment Display.

Parameters:

pos	Selects the digit.
act	Selects the action for the digits decimal dot.

References _NUTDEVICE::dev_dcb, DCB_7SEG::digit, DOT_7SEG_CLR, DOT_7SEG_FLIP, DOT_7SEG_SET, NULL, NUTASSERT, SEG7_DIGITS, and Spi7SegPush().

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int Spi7segCommand	(	NUTDEVICE *	dev,
		uint8_t	addr,
		const void *	txbuf,
		void *	rxbuf,
		int	xlen
	)

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Variable Documentation

NUTSPINODE nodeSpi7SEG

7seg SPI node implementation structure.

NUTDEVICE devSpi7SEG

7seg device implementation structure.