metawatch/bt_l2cap.h

   1 #ifndef _BT_L2CAP_H
   2 #define _BT_L2CAP_H
   3
   4
   5 #define L2CAP_CID_SIGNALING                 0x0001
   6 #define L2CAP_CID_CONNECTIONLESS_CHANNEL    0x0002
   7 #define L2CAP_CID_ATTRIBUTE_PROTOCOL        0x0004
   8 #define L2CAP_CID_SIGNALING_LE              0x0005
   9 #define L2CAP_CID_SECURITY_MANAGER_PROTOCOL 0x0006
  10
  11 typedef enum {
  12         COMMAND_REJECT = 1,
  13         CONNECTION_REQUEST,
  14         CONNECTION_RESPONSE,
  15         CONFIGURE_REQUEST,
  16         CONFIGURE_RESPONSE,
  17         DISCONNECTION_REQUEST,
  18         DISCONNECTION_RESPONSE,
  19         ECHO_REQUEST,
  20         ECHO_RESPONSE,
  21         INFORMATION_REQUEST,
  22         INFORMATION_RESPONSE
  23 } L2CAP_SIGNALING_COMMANDS;
  24
  25 typedef enum {
  26         PB_FIRST_NON_FLUSH = 0,
  27         PB_CONTINUE_FRAGMENT,
  28         PB_FIRST_FLUSHABLE,
  29         PB_COMPLETE_PDU
  30 } L2CAP_PB_FLAG;
  31
  32 typedef enum {
  33         BC_NO_BROADCAST = 0,
  34         BC_ACTIVE_SLAVE,
  35         BC_PARKED_SLAVE,
  36         BC_RESERVED
  37 } L2CAP_BC_FLAG;
  38
  39 // Connection result values
  40 #define BT_L2CAP_CON_RES_SUCCESS                0x0000
  41 #define BT_L2CAP_CON_RES_PENDING                0x0001
  42 #define BT_L2CAP_CON_RES_REFUSED_PSM            0x0002
  43 #define BT_L2CAP_CON_RES_REFUSED_SECURITY       0x0003
  44 #define BT_L2CAP_CON_RES_REFUSED_RSRC           0x0004
  45
  46 #define BT_L2CAP_CON_STAT_NOINFO                0x0000
  47 #define BT_L2CAP_CON_STAT_AUTHEN_PENDING        0x0001
  48 #define BT_L2CAP_CON_STAT_AUTHOR_PENDING        0x0002
  49
  50 typedef enum {
  51         BT_L2CAP_CON_IDLE = 0,
  52         BT_L2CAP_CON_CONNECTED
  53 } bt_l2cap_con_state_t;
  54
  55 // describes the L2CAP connection
  56 typedef struct {
  57         bt_l2cap_con_state_t cstate;
  58
  59         uint16_t hci_handle;
  60         uint16_t PSM;           // PSM of this connection
  61
  62         uint16_t locCID;        // our local CID
  63         uint16_t remCID;        // remote host CID
  64
  65         uint16_t locMTU;
  66         uint16_t remMTU;
  67 } bt_l2cap_con_t;
  68
  69 void init_l2cap(void);
  70 void bt_l2cap_proc_dyn_channel(const uint16_t channel, const uint16_t handle, const void *mdat, uint16_t mlen);
  71 uint8_t bt_l2cap_get_connected(const uint16_t channel);
  72 void bt_l2cap_send_channel(const uint16_t channel, const void *mdat, uint16_t mlen);
  73 void bt_l2cap_proc_signalling(const uint16_t handle, unsigned char *mdat, uint16_t mlen);
  74 void bt_l2cap_handle_connection_request(const uint16_t handle, const uint8_t ident, const uint16_t PSM, const uint16_t src_CID);
  75
  76 #endif
  77