119 lines
2.6 KiB
C++
119 lines
2.6 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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//helper functions
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//init libusb and open mouse
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int mouse_m908::open_mouse(){
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//vars
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int res = 0;
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//libusb init
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res = libusb_init( NULL );
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if( res < 0 ){
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return res;
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}
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//open device
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_handle = libusb_open_device_with_vid_pid( NULL, _mouse_vid,
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_mouse_pid );
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if( !_handle ){
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return 1;
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}
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//detach kernel driver on interface 0 if active
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if( libusb_kernel_driver_active( _handle, 0 ) ){
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res += libusb_detach_kernel_driver( _handle, 0 );
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if( res == 0 ){
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_detached_driver_0 = true;
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} else{
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return res;
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}
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}
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//detach kernel driver on interface 1 if active
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if( libusb_kernel_driver_active( _handle, 1 ) ){
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res += libusb_detach_kernel_driver( _handle, 1 );
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if( res == 0 ){
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_detached_driver_1 = true;
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} else{
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return res;
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}
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}
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//detach kernel driver on interface 2 if active
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if( libusb_kernel_driver_active( _handle, 2 ) ){
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res += libusb_detach_kernel_driver( _handle, 2 );
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if( res == 0 ){
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_detached_driver_2 = true;
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} else{
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return res;
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}
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}
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//claim interface 0
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res += libusb_claim_interface( _handle, 0 );
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if( res != 0 ){
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return res;
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}
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//claim interface 1
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res += libusb_claim_interface( _handle, 1 );
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if( res != 0 ){
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return res;
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}
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//claim interface 2
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res += libusb_claim_interface( _handle, 2 );
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if( res != 0 ){
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return res;
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}
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return res;
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}
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//close mouse
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int mouse_m908::close_mouse(){
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//release interfaces 0, 1 and 2
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libusb_release_interface( _handle, 0 );
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libusb_release_interface( _handle, 1 );
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libusb_release_interface( _handle, 2 );
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//attach kernel driver for interface 0
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if( _detached_driver_0 ){
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libusb_attach_kernel_driver( _handle, 0 );
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}
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//attach kernel driver for interface 1
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if( _detached_driver_1 ){
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libusb_attach_kernel_driver( _handle, 1 );
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}
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//attach kernel driver for interface 2
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if( _detached_driver_2 ){
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libusb_attach_kernel_driver( _handle, 2);
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}
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//exit libusb
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libusb_exit( NULL );
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return 0;
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}
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