rtdm.c File Reference

RTDM interface. More...

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Macros
#define	DEBUG   0
	Set to 1 to enable device operations debugging.

Functions
static int	ec_rtdm_open (struct rtdm_dev_context *context, rtdm_user_info_t *user_info, int oflags)
	Driver open.
static int	ec_rtdm_close (struct rtdm_dev_context *context, rtdm_user_info_t *user_info)
	Driver close.
static int	ec_rtdm_ioctl_nrt_handler (struct rtdm_dev_context *context, rtdm_user_info_t *user_info, unsigned int request, void __user *arg)
	Driver ioctl.
static int	ec_rtdm_ioctl_rt_handler (struct rtdm_dev_context *, rtdm_user_info_t *, unsigned int, void __user *)
int	ec_rtdm_dev_init (ec_rtdm_dev_t *rtdm_dev, ec_master_t *master)
	Initialize an RTDM device.
void	ec_rtdm_dev_clear (ec_rtdm_dev_t *rtdm_dev)
	Clear an RTDM device.
int	ec_rtdm_mmap (ec_ioctl_context_t *ioctl_ctx, void **user_address)
	Memory-map process data to user space.

Detailed Description

RTDM interface.

Definition in file rtdm.c.

Macro Definition Documentation

DEBUG

#define DEBUG   0

Set to 1 to enable device operations debugging.

Definition at line 42 of file rtdm.c.

Function Documentation

ec_rtdm_open()

int ec_rtdm_open ( struct rtdm_dev_context * context, rtdm_user_info_t * user_info, int oflags )

static

Driver open.

Returns

Always zero (success).

Parameters

context	Context.
user_info	User data.
oflags	Open flags.

Definition at line 131 of file rtdm.c.

ec_rtdm_close()

int ec_rtdm_close ( struct rtdm_dev_context * context, rtdm_user_info_t * user_info )

static

Driver close.

Returns

Always zero (success).

Parameters

context	Context.
user_info	User data.

Definition at line 161 of file rtdm.c.

ec_rtdm_ioctl_nrt_handler()

int ec_rtdm_ioctl_nrt_handler ( struct rtdm_dev_context * context, rtdm_user_info_t * user_info, unsigned int request, void __user * arg )

static

Driver ioctl.

Returns

ioctl() return code.

Parameters

context	Context.
user_info	User data.
request	Request.
arg	Argument.

Definition at line 186 of file rtdm.c.

ec_rtdm_ioctl_rt_handler()

int ec_rtdm_ioctl_rt_handler ( struct rtdm_dev_context * context, rtdm_user_info_t * user_info, unsigned int request, void __user * arg )

static

Parameters

context	Context.
user_info	User data.
request	Request.
arg	Argument.

Definition at line 206 of file rtdm.c.

ec_rtdm_dev_init()

int ec_rtdm_dev_init	(	ec_rtdm_dev_t *	rtdm_dev,
		ec_master_t *	master )

Initialize an RTDM device.

Returns

Zero on success, otherwise a negative error code.

Parameters

rtdm_dev	EtherCAT RTDM device.
master	EtherCAT master.

Definition at line 59 of file rtdm.c.

ec_rtdm_dev_clear()

void ec_rtdm_dev_clear

(

ec_rtdm_dev_t *

rtdm_dev

)

Clear an RTDM device.

Parameters

rtdm_dev

EtherCAT RTDM device.

Definition at line 108 of file rtdm.c.

ec_rtdm_mmap()

int ec_rtdm_mmap	(	ec_ioctl_context_t *	ioctl_ctx,
		void **	user_address )

Memory-map process data to user space.

Returns

Zero on success, otherwise a negative error code.

Parameters

ioctl_ctx	Context.
user_address	Userspace address.

Definition at line 238 of file rtdm.c.