genchar.c

References Functions:	GenCharClose()	nut/dev/genchar.c
	GenCharIOCtl()	nut/dev/genchar.c
	GenCharInit()	nut/dev/genchar.c
	GenCharOpen()	nut/dev/genchar.c
	GenCharRead()	nut/dev/genchar.c
	GenCharSize()	nut/dev/genchar.c
	GenCharWrite()	nut/dev/genchar.c
	GenCharWrite_P()	nut/dev/genchar.c
References Variables:	devdcb	nut/dev/genchar.c

Included Files

#include <nut/include/cfg/os.h>

#include </usr/avr/include/stdlib.h>

#include </usr/avr/include/string.h>

#include <nut/include/sys/file.h>

#include <nut/include/sys/event.h>

#include <nut/include/sys/timer.h>

#include <nut/include/dev/irqreg.h>

#include <nut/include/dev/genchar.h>

Preprocessor definitions

#define GENDEV_SPORT 0x100

#define GENDEV_DPORT 0x104

#define GENDEV_SIGNAL sig_INTERRUPT1

Typedef DEVDCB

typedef struct {...} DEVDCB

`struct`
`{`
`HANDLE dcb_rrdy;`
`volatile int dcb_rcnt;`
`u_char dcb_rbuff[16];`
`u_long dcb_rtimeout;`
`HANDLE dcb_trdy;`
`int dcb_tlen;`
`volatile int dcb_tcnt;`
`u_char dcb_tbuff[16];`
`u_long dcb_ttimeout;`
`}`

Global Variable devGenChar

NUTDEVICE devGenChar

Visible in:

nut/dev/genchar.c

Local Variables

devdcb
static DEVDCB devdcb

Used in:

nut/dev/genchar.c

Global Function GenCharSize()

long GenCharSize ( NUTFILE* fp )

Calls:	NutIrqDisable(), NutIrqEnable()
Used in:		nut/dev/genchar.c

Global Function GenCharWrite_P()

int GenCharWrite_P ( NUTFILE* fp, const prog_char* buffer, int len )

Used in:

nut/dev/genchar.c

Local Function GenCharClose()

static int GenCharClose ( NUTFILE* fp )

Calls:	free()
Used in:		nut/dev/genchar.c

Local Function GenCharIOCtl()

static int GenCharIOCtl ( NUTDEVICE* dev, int req, void* conf )

Used in:

nut/dev/genchar.c

Local Function GenCharInit()

static int GenCharInit ( NUTDEVICE* dev )

Calls:	NutIrqEnable(), NutIrqSetMode(), NutRegisterIrqHandler()
Used in:		nut/dev/genchar.c
References Functions:	GenCharInterrupt()	nut/dev/genchar.c

Local Function GenCharInterrupt()

static void GenCharInterrupt ( void* arg )

Calls:	inr(), outr()
Used in:	GenCharInit()	nut/dev/genchar.c

Local Function GenCharOpen()

static NUTFILE* GenCharOpen ( NUTDEVICE* dev, const char* name, int mode, int acc )

Calls:	malloc()
Used in:		nut/dev/genchar.c

Local Function GenCharRead()

static int GenCharRead ( NUTFILE* fp, void* buffer, int size )

Calls:	NutEventWait()	nut/os/event.c
	NutIrqDisable(), NutIrqEnable(), memcpy()
Used in:		nut/dev/genchar.c

Local Function GenCharWrite()

static int GenCharWrite ( NUTFILE* fp, const void* buffer, int len )

Calls:	NutEventWait()	nut/os/event.c
	NutIrqDisable(), NutIrqEnable(), memcpy()
Used in:		nut/dev/genchar.c