Electroneum
device_io_hid.hpp
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29 
30 #if defined(HAVE_HIDAPI)
31 
32 #include <boost/optional/optional.hpp>
33 #include <hidapi/hidapi.h>
34 #include "device_io.hpp"
35 
36 #pragma once
37 
38 namespace hw {
39  namespace io {
40 
41 
42 
53  struct hid_conn_params {
54  unsigned int vid;
55  unsigned int pid;
56  int interface_number;
57  unsigned short usage_page;
58  };
59 
60 
61  class device_io_hid: device_io {
62 
63 
64  private:
65 
66 
67  unsigned short channel;
68  unsigned char tag;
69  unsigned int packet_size;
70  unsigned int timeout;
71 
72  unsigned int usb_vid;
73  unsigned int usb_pid;
74  hid_device *usb_device;
75 
76  void io_hid_log(int read, unsigned char* buf, int buf_len);
77  void io_hid_init();
78  void io_hid_exit() ;
79  void io_hid_open(int vid, int pid, int mode);
80  void io_hid_close (void);
81 
82  unsigned int wrapCommand(const unsigned char *command, size_t command_len, unsigned char *out, size_t out_len);
83  unsigned int unwrapReponse(const unsigned char *data, size_t data_len, unsigned char *out, size_t out_len);
84 
85  hid_device_info *find_device(hid_device_info *devices_list, boost::optional<int> interface_number, boost::optional<unsigned short> usage_page);
86 
87  public:
88  bool hid_verbose = false;
89 
90  static const unsigned short DEFAULT_CHANNEL = 0x0001;
91  static const unsigned char DEFAULT_TAG = 0x01;
92  static const unsigned int DEFAULT_PACKET_SIZE = 64;
93  static const unsigned int DEFAULT_TIMEOUT = 120000;
94 
95  device_io_hid(unsigned short channel, unsigned char tag, unsigned int packet_zize, unsigned int timeout);
96  device_io_hid();
97  ~device_io_hid() {};
98 
99  void init();
100  void connect(void *params);
101  void connect(const std::vector<hid_conn_params> &conn);
102  hid_device *connect(unsigned int vid, unsigned int pid, boost::optional<int> interface_number, boost::optional<unsigned short> usage_page);
103  bool connected() const;
104  int exchange(unsigned char *command, unsigned int cmd_len, unsigned char *response, unsigned int max_resp_len, bool user_input);
105  void disconnect();
106  void release();
107  };
108  };
109 };
110 
111 #endif //#if defined(HAVE_HIDAPI)
epee::misc_utils::struct_init< response_t > response
Definition: device.cpp:38
const char * buf
Definition: slow_memmem.cpp:74