linux_ppdev.h File Reference

#include <sys/ioctl.h>
#include <stdlib.h>

Include dependency graph for linux_ppdev.h:

Go to the source code of this file.

Macros
#define	OBSOLETE__IOW   _IOW
#define	ppi_claim(fd)
#define	ppi_release(fd)
#define	DO_PPI_READ(fd, reg, valp)
#define	DO_PPI_WRITE(fd, reg, valp)

Macro Definition Documentation

DO_PPI_READ

#define DO_PPI_READ	(		fd,
			reg,
			valp
	)

Value:

  (void)ioctl(fd, \
    (reg) == PPIDATA? PPRDATA: ((reg) == PPICTRL? PPRCONTROL: PPRSTATUS), \
        valp)

DO_PPI_WRITE

#define DO_PPI_WRITE	(		fd,
			reg,
			valp
	)

Value:

  (void)ioctl(fd, \
    (reg) == PPIDATA? PPWDATA: ((reg) == PPICTRL? PPWCONTROL: PPWSTATUS), \
        valp)

OBSOLETE__IOW

#define OBSOLETE__IOW   _IOW

ppi_claim

#define ppi_claim

(

fd

)

Value:

  if (ioctl(fd, PPCLAIM)) {                                  \
    avrdude_message(MSG_INFO, "%s: can't claim device \"%s\": %s\n\n", \
            progname, port, strerror(errno));                \
    close(fd);                                               \
    return;                                                  \
  }

ppi_release

#define ppi_release

(

fd

)

Value:

  if (ioctl(fd, PPRELEASE)) {                                \
    avrdude_message(MSG_INFO, "%s: can't release device: %s\n\n", \
            progname, strerror(errno));                      \
  }