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add edmund HSFW management

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eddyem
2016-05-13 20:51:13 +03:00
parent c6cc40baec
commit 1360054a53
25 changed files with 4350 additions and 12 deletions
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HSFW_management/hidmanage.c Normal file
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/*
* hidmanage.c - manage HID devices
*
* Copyright 2016 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <libudev.h>
#include "usefull_macros.h"
#include "hidmanage.h"
/**
* Find turrets present
* @param wheels (o) - if not NULL - list of wheels found (like "ABC")
* return amount of devices found
*
* WARNING! If there's more than one turret with wheels having same name
* access by wheel ID could lead undefined behaviour!
*/
int find_wheels(wheel_descr **wheels){
struct udev *udev;
struct udev_enumerate *enumerate;
struct udev_list_entry *devices, *dev_list_entry;
wheel_descr *founded = NULL;
// Create the udev object
udev = udev_new();
int N = 0;
if(!udev){
ERR("Can't create udev");
}
// Create a list of the devices in the 'hidraw' subsystem.
enumerate = udev_enumerate_new(udev);
udev_enumerate_add_match_subsystem(enumerate, "hidraw");
udev_enumerate_scan_devices(enumerate);
devices = udev_enumerate_get_list_entry(enumerate);
// Check out each device found
udev_list_entry_foreach(dev_list_entry, devices){
const char *path;
struct udev_device *dev;
path = udev_list_entry_get_name(dev_list_entry);
dev = udev_device_new_from_syspath(udev, path);
const char *devpath = udev_device_get_devnode(dev);
DBG("Device Node Path: %s", devpath);
dev = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device");
if(!dev){
WARNX("Unable to find parent usb device for %s", devpath);
udev_device_unref(dev);
continue;
}
const char *vid, *pid;
vid = udev_device_get_sysattr_value(dev,"idVendor");
pid = udev_device_get_sysattr_value(dev, "idProduct");
DBG(" VID/PID: %s/%s", vid, pid);
if(strcmp(vid, W_VID) == 0 && strcmp(pid, W_PID) == 0){
++N;
if(!founded){
founded = MALLOC(wheel_descr, 1);
}else{
founded = realloc(founded, sizeof(wheel_descr)*N);
if(!founded) ERR("realloc");
}
wheel_descr *curdev = &founded[N-1];
int fd = open(devpath, O_RDWR|O_NONBLOCK);
if(fd < 0){
/// "îÅ ÍÏÇÕ ÏÔËÒÙÔØ %s"
WARN(_("Can't open %s"), devpath);
curdev->fd = -1;
}else
curdev->fd = fd;
DBG("%s %s",
udev_device_get_sysattr_value(dev,"manufacturer"),
udev_device_get_sysattr_value(dev,"product"));
curdev->serial = strdup(udev_device_get_sysattr_value(dev, "serial"));
DBG("serial: %s\n", curdev->serial);
}
udev_device_unref(dev);
}
// Free the enumerator object
udev_enumerate_unref(enumerate);
if(wheels){
*wheels = founded;
}else
free(founded);
return N;
}