linux_devices.h File Reference

Low level udev usb device management. More...

#include "config.h"

Go to the source code of this file.

Functions
bool	IsDonglePermissionsWrong ()
	Return true if an existing dongle cannot be accessed.
bool	IsDevicePermissionsOk (const char *path)
	Check device path permissions.
std::string	GetDongleRule ()
std::string	MakeUdevLink ()
	Get next available udev rule base name.
std::string	GetDeviceRule (const char *device, const char *symlink)
	Get device udev rule.

Detailed Description

Low level udev usb device management.

Definition in file linux_devices.h.

Function Documentation

GetDeviceRule()

std::string GetDeviceRule	(	const char *	device,
		const char *	symlink
	)

Get device udev rule.

Parameters

device	Complete device path
symlink	As returned by MakeUdevLink()

Returns

udev rule which makes the device public read/write (0666)

Definition at line 304 of file linux_devices.cpp.

GetDongleRule()

std::string GetDongleRule

(

)

Returns

udev rule which makes the dongle public read write (666)

Definition at line 292 of file linux_devices.cpp.

IsDevicePermissionsOk()

bool IsDevicePermissionsOk

(

const char *

path

)

Check device path permissions.

Parameters

path	complete device path

Returns

True if device is exposing read/write permissions.

Definition at line 159 of file linux_devices.cpp.

IsDonglePermissionsWrong()

bool IsDonglePermissionsWrong

(

)

Return true if an existing dongle cannot be accessed.

Definition at line 153 of file linux_devices.cpp.

MakeUdevLink()

std::string MakeUdevLink

(

)

Get next available udev rule base name.

Returns

first name not used in the sequence opencpn0..opencpn9

Definition at line 247 of file linux_devices.cpp.