Import of jmrobles' source code. <http://robleshermoso.wordpress.com>

Makefile

@@ -0,0 +1,9 @@
+
+
+all: ledcontroller
+
+ledcontroller:  main.c
+	gcc -o $@ $^ `pkg-config libusb-1.0 --cflags --libs` 
+
+clean:
+	rm ledcontroller

main.c

@@ -0,0 +1,89 @@
+/*
+    LedController 
+    Copyright (C) 2011  jmrobles - http://robleshermoso.wordpress.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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include <stdio.h>
+#include <libusb.h>
+#include <errno.h>
+
+
+#define VID 0x1294
+#define PID 0x1320
+
+
+static struct libusb_device_handle *devh = NULL;
+
+int main(int argc,char** argv)
+{
+ int ret;
+ unsigned char code = 0;
+ if (argc != 2 ) 
+ {
+    printf("syntax: %s red | green | blue | off\n",argv[0]);
+    return -1;
+
+ }
+ if ( strcmp(argv[1],"red") == 0 ) 
+ {
+     code = 2;
+ }
+ else if ( strcmp(argv[1],"green") == 0 )
+ {
+     code = 3;
+ }
+ else if ( strcmp(argv[1],"blue") == 0 )
+ {
+     code = 1;
+ }
+
+ libusb_init(NULL);
+ devh = libusb_open_device_with_vid_pid(NULL, VID, PID);
+ if (devh == NULL )
+ {
+	printf("not found\n");
+        return -1;
+ }
+
+ if ( libusb_kernel_driver_active(devh,0) )
+ {
+	printf("detach from kernel\n");
+        ret = libusb_detach_kernel_driver(devh,0);
+        if (ret < 0 )
+        {
+		printf("can't detach\n");
+                return -1;
+        }
+ }
+
+ char data[5];
+ data[0] = code;
+ data[1] = 0x4;
+ data[2] = 0x4;
+ data[3] = 0x4;
+ data[4] = 0x4;
+
+ int dummy;
+ ret =  libusb_interrupt_transfer(devh,0x2,data,5,&dummy,0);
+ if ( ret < 0 ) 
+ {
+  perror("error");
+ }
+
+
+return 0;
+}