device: fixed Ledger Nano S device selection

src/device/device_io_hid.cpp

@@ -72,7 +72,7 @@ namespace hw {
       this->connect(p->vid, p->pid, p->interface_number, p->usage_page, p->interface_OR_page);
     }
 
-    void device_io_hid::connect(unsigned int vid, unsigned  int pid, unsigned int interface_number, unsigned int usage_page, bool interface_OR_page ) {
+    void device_io_hid::connect(unsigned int vid, unsigned  int pid, int interface_number, unsigned short usage_page, bool interface_OR_page ) {
       hid_device_info *hwdev_info, *hwdev_info_list;
       hid_device      *hwdev;
 
@@ -83,8 +83,8 @@ namespace hw {
       hwdev = NULL;
       hwdev_info = hwdev_info_list;
       while (hwdev_info) {
-        if ((interface_OR_page && ((usage_page == 0xffa0) || (interface_number == 0))) ||
-                                  ((usage_page == 0xffa0) && (interface_number == 0)) ) {
+        if ((interface_OR_page && ((hwdev_info->usage_page == usage_page) || (hwdev_info->interface_number == interface_number))) ||
+                                  ((hwdev_info->usage_page == usage_page) && (hwdev_info->interface_number == interface_number))) {
           MDEBUG("HID Device found: " << safe_hid_path(hwdev_info));
           hwdev = hid_open_path(hwdev_info->path);
           break;

src/device/device_io_hid.hpp

@@ -52,8 +52,8 @@ namespace hw {
     struct hid_conn_params {
       unsigned int vid; 
       unsigned int pid; 
-      unsigned int interface_number;
-      unsigned int usage_page;
+      int interface_number;
+      unsigned short usage_page;
       bool interface_OR_page ;
     };
     
@@ -100,7 +100,7 @@ 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, int interface_number, unsigned short usage_page, bool interface_OR_page );
       bool connected() const;
       int  exchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len);
       void disconnect();