1 files changed, 5 insertions, 7 deletions
diff --git a/src/device/device_io_hid.hpp b/src/device/device_io_hid.hpp
index 6fd15a1d1..bb0f0a814 100644
--- a/src/device/device_io_hid.hpp
+++ b/src/device/device_io_hid.hpp
@@ -29,6 +29,7 @@
 
 #if defined(HAVE_HIDAPI) 
 
+#include <boost/optional/optional.hpp>
 #include <hidapi/hidapi.h>
 #include "device_io.hpp"
 
@@ -52,9 +53,8 @@ namespace hw {
     struct hid_conn_params {
       unsigned int vid; 
       unsigned int pid; 
-      unsigned int interface_number;
-      unsigned int usage_page;
-      bool interface_OR_page ;
+      int interface_number;
+      unsigned short usage_page;
     };
     
 
@@ -82,13 +82,11 @@ namespace hw {
       unsigned int wrapCommand(const unsigned char *command, size_t command_len, unsigned char *out, size_t out_len);
       unsigned int unwrapReponse(const unsigned char *data, size_t data_len, unsigned char *out, size_t out_len);
  
+      hid_device_info *find_device(hid_device_info *devices_list, boost::optional<int> interface_number, boost::optional<unsigned short> usage_page);
  
     public:
       bool hid_verbose = false;
 
-      static const unsigned int  OR_SELECT = 1;
-      static const unsigned int  AND_SELECT = 2;
-
       static const unsigned short DEFAULT_CHANNEL     = 0x0001;
       static const unsigned char  DEFAULT_TAG         = 0x01;
       static const unsigned int   DEFAULT_PACKET_SIZE = 64;
@@ -100,7 +98,7 @@ namespace hw {
 
       void init();  
       void connect(void *params);
-      void connect(unsigned int vid, unsigned  int pid, unsigned int interface_number, unsigned int usage_page, bool interface_OR_page );
+      void connect(unsigned int vid, unsigned  int pid, boost::optional<int> interface_number, boost::optional<unsigned short> usage_page);
       bool connected() const;
       int  exchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len);
       void disconnect();