90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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LedController
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Copyright (C) 2011 jmrobles - http://robleshermoso.wordpress.com
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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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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <libusb.h>
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#include <errno.h>
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#define VID 0x1294
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#define PID 0x1320
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static struct libusb_device_handle *devh = NULL;
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int main(int argc,char** argv)
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{
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int ret;
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unsigned char code = 0;
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if (argc != 2 )
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{
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printf("syntax: %s red | green | blue | off\n",argv[0]);
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return -1;
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}
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if ( strcmp(argv[1],"red") == 0 )
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{
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code = 2;
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}
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else if ( strcmp(argv[1],"green") == 0 )
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{
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code = 3;
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}
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else if ( strcmp(argv[1],"blue") == 0 )
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{
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code = 1;
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}
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libusb_init(NULL);
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devh = libusb_open_device_with_vid_pid(NULL, VID, PID);
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if (devh == NULL )
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{
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printf("not found\n");
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return -1;
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}
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if ( libusb_kernel_driver_active(devh,0) )
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{
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printf("detach from kernel\n");
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ret = libusb_detach_kernel_driver(devh,0);
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if (ret < 0 )
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{
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printf("can't detach\n");
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return -1;
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}
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}
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char data[5];
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data[0] = code;
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data[1] = 0x4;
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data[2] = 0x4;
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data[3] = 0x4;
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data[4] = 0x4;
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int dummy;
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ret = libusb_interrupt_transfer(devh,0x2,data,5,&dummy,0);
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if ( ret < 0 )
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{
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perror("error");
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}
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return 0;
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}
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