Added evsend command

tools/evsend.cpp

@@ -0,0 +1,50 @@
+#include <iostream>
+#include <linux/input.h>
+
+#include <errno.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+  if (argc != 5)
+    {
+      std::cout << "Usage: " << argv[0] << " DEVICE TYPE CODE VALUE" << std::endl;
+    }
+  else
+    {
+      const char* filename = argv[1];
+      struct input_event event;
+      event.type  = atoi(argv[2]);
+      event.code  = atoi(argv[3]);
+      event.value = atoi(argv[4]);
+
+      int fd = open(filename, O_RDWR);
+      if (fd < 0)        
+        {
+          std::cout << argv[0] << ": couldn't access: " << filename << ": " << strerror(errno) << std::endl;
+        }
+      else
+        {
+          if (write(fd, &event, sizeof(event)) != sizeof(event))
+            {
+              std::cout << argv[0] << ": write error: " << filename << ": " << strerror(errno) << std::endl;
+            }
+          else
+            {
+              // std::cout << "Send: Event(type: " << event.type << ", code: " << event.code << ", value: " << event.value << ")" << std::endl;
+            }
+          close(fd);
+        }
+    }
+
+  return 0;
+}
+
+/* EOF */
+