Made command.h work in c++

emb/command.h

@@ -3,12 +3,20 @@
 
 #include <stdint.h>
 
-struct command {
-     char comm_ch; /* Character of command (ie 's', 'v', 'd') */
-     int16_t arg[2];
-};
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-uint8_t uart_add_ch(char c);
-struct command *get_command(void);
+     struct command {
+	  char comm_ch; /* Character of command (ie 's', 'v', 'd') */
+	  int16_t arg[2];
+     };
+     
+     uint8_t uart_add_ch(char c);
+     struct command *get_command(void);
 
+#ifdef __cplusplus
+}
+#endif
+     
 #endif /* _COMMAND_H */