Sami Alshorman / Mbed 2 deprecated BluetoothNONIN

Pulse Oximeter (NONIN) communicates with mbed via Bluetooth dongle and sends Heart Rate and Oxygen Saturation via GPRS module

Dependencies:   C12832 GPS GSM mbed

Fork of myBlueUSB_localfix by Nobuaki Aoki

hci.h@3:55a622e3dbb5, 2015-04-14 (annotated)

Committer:
samialshorman
Date:
Tue Apr 14 21:48:07 2015 +0000
Revision:
3:55a622e3dbb5
Parent:
0:003889bc474f 
Nonin (Pulse Oximeter) connected to mbed lpc 1768 by Bluetooth dongle and sends SMS including Heart Rate and Oxygen saturation by GPRS module

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nobukuma 0:003889bc474f 1 /*
nobukuma 0:003889bc474f 2 Copyright (c) 2010 Peter Barrett
nobukuma 0:003889bc474f 3
nobukuma 0:003889bc474f 4 Permission is hereby granted, free of charge, to any person obtaining a copy
nobukuma 0:003889bc474f 5 of this software and associated documentation files (the "Software"), to deal
nobukuma 0:003889bc474f 6 in the Software without restriction, including without limitation the rights
nobukuma 0:003889bc474f 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
nobukuma 0:003889bc474f 8 copies of the Software, and to permit persons to whom the Software is
nobukuma 0:003889bc474f 9 furnished to do so, subject to the following conditions:
nobukuma 0:003889bc474f 10
nobukuma 0:003889bc474f 11 The above copyright notice and this permission notice shall be included in
nobukuma 0:003889bc474f 12 all copies or substantial portions of the Software.
nobukuma 0:003889bc474f 13
nobukuma 0:003889bc474f 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
nobukuma 0:003889bc474f 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
nobukuma 0:003889bc474f 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
nobukuma 0:003889bc474f 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
nobukuma 0:003889bc474f 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nobukuma 0:003889bc474f 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
nobukuma 0:003889bc474f 20 THE SOFTWARE.
nobukuma 0:003889bc474f 21 */
nobukuma 0:003889bc474f 22
nobukuma 0:003889bc474f 23 #ifndef HCI_H_INCLUDED
nobukuma 0:003889bc474f 24 #define HCI_H_INCLUDED
nobukuma 0:003889bc474f 25
nobukuma 0:003889bc474f 26 //#define CONTR_HOST_FLOW //Controller to Host flow control
nobukuma 0:003889bc474f 27 #define HOST_CONTR_FLOW //Host to Controller flow control
nobukuma 0:003889bc474f 28 #define COMMAND_FLOW //Command flow control
nobukuma 0:003889bc474f 29
nobukuma 0:003889bc474f 30 #include "mbed.h"
nobukuma 0:003889bc474f 31 #include "Socket.h"
nobukuma 0:003889bc474f 32
nobukuma 0:003889bc474f 33 #pragma pack(1)
nobukuma 0:003889bc474f 34
nobukuma 0:003889bc474f 35 #define ERR_HCI_DEVICE_NOT_FOUND -300
nobukuma 0:003889bc474f 36
nobukuma 0:003889bc474f 37 class HCI;
nobukuma 0:003889bc474f 38 class HCITransport;
nobukuma 0:003889bc474f 39 class BTDevice;
nobukuma 0:003889bc474f 40
nobukuma 0:003889bc474f 41 typedef struct
nobukuma 0:003889bc474f 42 {
nobukuma 0:003889bc474f 43 u8 addr[6];
nobukuma 0:003889bc474f 44 } BD_ADDR;
nobukuma 0:003889bc474f 45
nobukuma 0:003889bc474f 46 typedef struct
nobukuma 0:003889bc474f 47 {
nobukuma 0:003889bc474f 48 BD_ADDR bdaddr;
nobukuma 0:003889bc474f 49 u8 pscan_rep_mode;
nobukuma 0:003889bc474f 50 u8 pscan_period_mode;
nobukuma 0:003889bc474f 51 u8 pscan_mode;
nobukuma 0:003889bc474f 52 u8 dev_class[3];
nobukuma 0:003889bc474f 53 u16 clock_offset;
nobukuma 0:003889bc474f 54 } inquiry_info;
nobukuma 0:003889bc474f 55
nobukuma 0:003889bc474f 56 typedef struct
nobukuma 0:003889bc474f 57 {
nobukuma 0:003889bc474f 58 u8 status;
nobukuma 0:003889bc474f 59 u16 handle;
nobukuma 0:003889bc474f 60 BD_ADDR bdaddr;
nobukuma 0:003889bc474f 61 u8 link_type;
nobukuma 0:003889bc474f 62 u8 encr_mode;
nobukuma 0:003889bc474f 63 } connection_info;
nobukuma 0:003889bc474f 64
nobukuma 0:003889bc474f 65 // Address struct for creating L2CAP sockets
nobukuma 0:003889bc474f 66 typedef struct {
nobukuma 0:003889bc474f 67 SocketAddrHdr hdr;
nobukuma 0:003889bc474f 68 BD_ADDR bdaddr;
nobukuma 0:003889bc474f 69 u16 psm;
nobukuma 0:003889bc474f 70 } L2CAPAddr;
nobukuma 0:003889bc474f 71
nobukuma 0:003889bc474f 72 typedef struct {
nobukuma 0:003889bc474f 73 u16 handle;
nobukuma 0:003889bc474f 74 u16 length; // total
nobukuma 0:003889bc474f 75 u16 l2capLength; // length -4
nobukuma 0:003889bc474f 76 u16 cid; // Signaling packet CID = 1
nobukuma 0:003889bc474f 77
nobukuma 0:003889bc474f 78 // Payload
nobukuma 0:003889bc474f 79 u8 cmd; //
nobukuma 0:003889bc474f 80 u8 id;
nobukuma 0:003889bc474f 81 u16 cmdLength; // total-8
nobukuma 0:003889bc474f 82 u16 params[4]; // Params
nobukuma 0:003889bc474f 83 } L2CAPCmd;
nobukuma 0:003889bc474f 84
nobukuma 0:003889bc474f 85 #pragma pack(4)
nobukuma 0:003889bc474f 86
nobukuma 0:003889bc474f 87 class BTDevice;
nobukuma 0:003889bc474f 88
nobukuma 0:003889bc474f 89 typedef struct
nobukuma 0:003889bc474f 90 {
nobukuma 0:003889bc474f 91 public:
nobukuma 0:003889bc474f 92 SocketInternal si;
nobukuma 0:003889bc474f 93 BTDevice* btdevice;
nobukuma 0:003889bc474f 94 u16 scid;
nobukuma 0:003889bc474f 95 u16 dcid;
nobukuma 0:003889bc474f 96 } L2CAPSocket;
nobukuma 0:003889bc474f 97
nobukuma 0:003889bc474f 98 #define MAX_HCL_NAME_LENGTH 20 // TODO - BTDevice wants to be a multiple of 4
nobukuma 0:003889bc474f 99
nobukuma 0:003889bc474f 100 // BTDevice encapsulates individual device state
nobukuma 0:003889bc474f 101 // It provides L2CAP layer sockets
nobukuma 0:003889bc474f 102
nobukuma 0:003889bc474f 103 class BTDevice : public SocketHandler
nobukuma 0:003889bc474f 104 {
nobukuma 0:003889bc474f 105 public:
nobukuma 0:003889bc474f 106 HCITransport* _transport;
nobukuma 0:003889bc474f 107 inquiry_info _info;
nobukuma 0:003889bc474f 108 u16 _handle; // acl connection handle
nobukuma 0:003889bc474f 109 u8 _state; // connection state
nobukuma 0:003889bc474f 110 u8 _txid;
nobukuma 0:003889bc474f 111 u16 peer_mtu;
nobukuma 0:003889bc474f 112 #ifdef HOST_CONTR_FLOW
nobukuma 0:003889bc474f 113 u8 pkts_sent; //host to controller flow control
nobukuma 0:003889bc474f 114 #endif
nobukuma 0:003889bc474f 115 //u8 cntr_cred;
nobukuma 0:003889bc474f 116 u8 segments;
nobukuma 0:003889bc474f 117 char _name[MAX_HCL_NAME_LENGTH];
nobukuma 0:003889bc474f 118
nobukuma 0:003889bc474f 119 void Init();
nobukuma 0:003889bc474f 120
nobukuma 0:003889bc474f 121 BD_ADDR* GetAddress() { return &_info.bdaddr; }
nobukuma 0:003889bc474f 122
nobukuma 0:003889bc474f 123 // Called from HCI
nobukuma 0:003889bc474f 124 int ACLRecv(const u8* data, int len);
nobukuma 0:003889bc474f 125 void ACLFwd(const u8* data, int len);
nobukuma 0:003889bc474f 126
nobukuma 0:003889bc474f 127 // SocketHandler
nobukuma 0:003889bc474f 128 virtual int Open(SocketInternal* sock, SocketAddrHdr* addr);
nobukuma 0:003889bc474f 129 virtual int Accept(SocketInternal* sock, int scid, int rxid);
nobukuma 0:003889bc474f 130 virtual int Send(SocketInternal* sock, const u8* data, int len);
nobukuma 0:003889bc474f 131 virtual int Close(SocketInternal* sock);
nobukuma 0:003889bc474f 132 virtual char* Name() { return "BTDevice SocketHandler";}
nobukuma 0:003889bc474f 133
nobukuma 0:003889bc474f 134 private:
nobukuma 0:003889bc474f 135 int l2cap_sock, plen, contPos, contState;
nobukuma 0:003889bc474f 136 unsigned char *contBuf;
nobukuma 0:003889bc474f 137 Timeout rtx;
nobukuma 0:003889bc474f 138 L2CAPCmd last_req;
nobukuma 0:003889bc474f 139 void repeat_cmd();
nobukuma 0:003889bc474f 140
nobukuma 0:003889bc474f 141 L2CAPSocket* SCIDToSocket(int scid);
nobukuma 0:003889bc474f 142 int Send(const u8* data, int len);
nobukuma 0:003889bc474f 143 int Send(u8 c, u8 id, u16* params, int count);
nobukuma 0:003889bc474f 144 int Connect(int scid, int psm);
nobukuma 0:003889bc474f 145 int Disconnect(int scid, int dcid);
nobukuma 0:003889bc474f 146 int ConfigureRequest(int dcid);
nobukuma 0:003889bc474f 147 int CommandReject(u16 reason=0, u16 data0=0, u16 data1=0);
nobukuma 0:003889bc474f 148 int ConfigureResponse(u8 rxid, int dcid);
nobukuma 0:003889bc474f 149 int DisconnectResponse(u8 rxid, int scid, int dcid);
nobukuma 0:003889bc474f 150 void Control(const u8* data, int len);
nobukuma 0:003889bc474f 151 };
nobukuma 0:003889bc474f 152
nobukuma 0:003889bc474f 153 enum HCI_CALLBACK_EVENT
nobukuma 0:003889bc474f 154 {
nobukuma 0:003889bc474f 155 CALLBACK_NONE,
nobukuma 0:003889bc474f 156 CALLBACK_READY,
nobukuma 0:003889bc474f 157 CALLBACK_INQUIRY_RESULT,
nobukuma 0:003889bc474f 158 CALLBACK_INQUIRY_DONE,
nobukuma 0:003889bc474f 159 CALLBACK_REMOTE_NAME,
nobukuma 0:003889bc474f 160 CALLBACK_CONNECTION_COMPLETE,
nobukuma 0:003889bc474f 161 CALLBACK_CONNECTION_FAILED,
nobukuma 0:003889bc474f 162 CALLBACK_PIN_REQ,
nobukuma 0:003889bc474f 163 CALLBACK_CMD_STATUS,
nobukuma 0:003889bc474f 164 CALLBACK_CONNECTION_REQUEST,
nobukuma 0:003889bc474f 165 CALLBACK_VENDOR
nobukuma 0:003889bc474f 166 };
nobukuma 0:003889bc474f 167
nobukuma 0:003889bc474f 168 // L2CAP Protocol/Service Multiplexor (PSM) values
nobukuma 0:003889bc474f 169
nobukuma 0:003889bc474f 170 #define L2CAP_PSM_ANY 0x0000 /* Any/Invalid PSM */
nobukuma 0:003889bc474f 171 #define L2CAP_PSM_SDP 0x0001 /* Service Discovery Protocol */
nobukuma 0:003889bc474f 172 #define L2CAP_PSM_RFCOMM 0x0003 /* RFCOMM protocol */
nobukuma 0:003889bc474f 173 #define L2CAP_PSM_TCP 0x0005 /* Telephony Control Protocol */
nobukuma 0:003889bc474f 174 #define L2CAP_PSM_TCS 0x0007 /* TCS cordless */
nobukuma 0:003889bc474f 175 #define L2CAP_PSM_BNEP 0x000f /* Bluetooth Network Encapsulation Protocol*/
nobukuma 0:003889bc474f 176 #define L2CAP_PSM_HID_CNTL 0x0011 /* HID Control */
nobukuma 0:003889bc474f 177 #define L2CAP_PSM_HID_INTR 0x0013 /* HID Interrupt */
nobukuma 0:003889bc474f 178 #define L2CAP_PSM_ESDP 0x0015 /* Extended Service Discovery Profile */
nobukuma 0:003889bc474f 179 #define L2CAP_PSM_AVCTP 0x0017 /* Audio/Visual Control Transport Protocol */
nobukuma 0:003889bc474f 180 #define L2CAP_PSM_AVDTP 0x0019 /* Audio/Visual Distribution */
nobukuma 0:003889bc474f 181
nobukuma 0:003889bc474f 182 // Callback from inquiry
nobukuma 0:003889bc474f 183 typedef int (*HCICallback)(HCI* hci, HCI_CALLBACK_EVENT evt, const u8* data, int len);
nobukuma 0:003889bc474f 184 //typedef int (HCI::*HCICallback)(HCI_CALLBACK_EVENT evt, const u8* data, int len);
nobukuma 0:003889bc474f 185
nobukuma 0:003889bc474f 186 #define MAX_BTDEVICES 8
nobukuma 0:003889bc474f 187
nobukuma 0:003889bc474f 188 class HCITransport;
nobukuma 0:003889bc474f 189 class HCI : public SocketHandler
nobukuma 0:003889bc474f 190 {
nobukuma 0:003889bc474f 191 HCITransport* _transport;
nobukuma 0:003889bc474f 192 HCICallback _callback;
nobukuma 0:003889bc474f 193 BD_ADDR _localAddr;
nobukuma 0:003889bc474f 194
nobukuma 0:003889bc474f 195 BTDevice _devices[MAX_BTDEVICES];
nobukuma 0:003889bc474f 196 int _deviceCount;
nobukuma 0:003889bc474f 197
nobukuma 0:003889bc474f 198 int _acl_mtu;
nobukuma 0:003889bc474f 199 int _acl_max_pkt;
nobukuma 0:003889bc474f 200 int _sco_mtu;
nobukuma 0:003889bc474f 201 int _sco_max_pkt;
nobukuma 0:003889bc474f 202
nobukuma 0:003889bc474f 203 int _state;
nobukuma 0:003889bc474f 204 #ifdef COMMAND_FLOW
nobukuma 0:003889bc474f 205 char cmd_credits;//command flow control
nobukuma 0:003889bc474f 206 #endif
nobukuma 0:003889bc474f 207 //, data_credits;//host to controller flow control is per handle, hence is handled in BTDevice
nobukuma 0:003889bc474f 208 public:
nobukuma 0:003889bc474f 209
nobukuma 0:003889bc474f 210 // Open a local adapter
nobukuma 0:003889bc474f 211 int Open(HCITransport* transport, HCICallback callback=0);
nobukuma 0:003889bc474f 212
nobukuma 0:003889bc474f 213 // Return list of discovered addreses
nobukuma 0:003889bc474f 214 int GetDevices(BTDevice** devices, int maxDevices);
nobukuma 0:003889bc474f 215
nobukuma 0:003889bc474f 216 // Lookup a device by address or handle
nobukuma 0:003889bc474f 217 BTDevice* Find(const BD_ADDR* addr);
nobukuma 0:003889bc474f 218 BTDevice* Find(int handle);
nobukuma 0:003889bc474f 219
nobukuma 0:003889bc474f 220 // Disconnect from a remote device
nobukuma 0:003889bc474f 221 int Disconnect(const BD_ADDR* addr);
nobukuma 0:003889bc474f 222 int DisconnectAll();
nobukuma 0:003889bc474f 223
nobukuma 0:003889bc474f 224 // see what devies are in the system
nobukuma 0:003889bc474f 225 int Inquiry(int duration = 10);
nobukuma 0:003889bc474f 226
nobukuma 0:003889bc474f 227 int SetEventFilter(u8 filterType, u8 filterConditionType, u8* condition);
nobukuma 0:003889bc474f 228 // get a name, delivered in callback
nobukuma 0:003889bc474f 229 int RemoteNameRequest(const BD_ADDR* addr);
nobukuma 0:003889bc474f 230 int RemoteNameRequest(inquiry_info* ii);
nobukuma 0:003889bc474f 231
nobukuma 0:003889bc474f 232 // Connect to a remote device
nobukuma 0:003889bc474f 233 int CreateConnection(const BD_ADDR* remoteAddr);
nobukuma 0:003889bc474f 234
nobukuma 0:003889bc474f 235 bool Busy();
nobukuma 0:003889bc474f 236
nobukuma 0:003889bc474f 237 // called from transport
nobukuma 0:003889bc474f 238 void HCIRecv(const u8* data, int len);
nobukuma 0:003889bc474f 239
nobukuma 0:003889bc474f 240 // called from transport
nobukuma 0:003889bc474f 241 void ACLRecv(const u8* data, int len);
nobukuma 0:003889bc474f 242
nobukuma 0:003889bc474f 243 // SocketHandler methods for maintaining L2CAP sockets
nobukuma 0:003889bc474f 244 virtual int Open(SocketInternal* sock, SocketAddrHdr* addr);
nobukuma 0:003889bc474f 245 virtual int Accept(SocketInternal* sock, int scid, int rxid);
nobukuma 0:003889bc474f 246 virtual int Send(SocketInternal* sock, const u8* data, int len);
nobukuma 0:003889bc474f 247 virtual int Close(SocketInternal* sock);
nobukuma 0:003889bc474f 248 virtual char* Name() { return "HCI SocketHandler";}
nobukuma 0:003889bc474f 249
nobukuma 0:003889bc474f 250 private:
nobukuma 0:003889bc474f 251 void InquiryResult(const inquiry_info* info);
nobukuma 0:003889bc474f 252 void RemoteName(const BD_ADDR* addr, const char* name);
nobukuma 0:003889bc474f 253 void ConnectComplete(const connection_info* info);
nobukuma 0:003889bc474f 254 void DisconnectComplete(int handle);
nobukuma 0:003889bc474f 255 void OnCommandComplete(int cmd, const u8* data, int len);
nobukuma 0:003889bc474f 256 virtual void Callback(HCI_CALLBACK_EVENT c, const u8* data, int len);
nobukuma 0:003889bc474f 257 void Compl_pkts(int handle, u8 p = 1);
nobukuma 0:003889bc474f 258 protected:
nobukuma 0:003889bc474f 259 // int SendCmd(int cmd, const u8* params = 0, int len = 0);
nobukuma 0:003889bc474f 260 int PinCodeReply(const u8* data, const u8* pin = "0000");
nobukuma 0:003889bc474f 261 void Accept_Connection(const BD_ADDR* addr, bool slave=true);
nobukuma 0:003889bc474f 262 public:
nobukuma 0:003889bc474f 263 int SendCmd(int cmd, const u8* params = 0, int len = 0);
nobukuma 0:003889bc474f 264 };
nobukuma 0:003889bc474f 265
nobukuma 0:003889bc474f 266 class HCITransport
nobukuma 0:003889bc474f 267 {
nobukuma 0:003889bc474f 268 protected:
nobukuma 0:003889bc474f 269 HCI* _target;
nobukuma 0:003889bc474f 270 public:
nobukuma 0:003889bc474f 271 #ifdef HOST_CONTR_FLOW
nobukuma 0:003889bc474f 272 u8 data_credits;
nobukuma 0:003889bc474f 273 #endif
nobukuma 0:003889bc474f 274 u16 _acl_mtu;
nobukuma 0:003889bc474f 275 void Set(HCI* target) { _target = target; };
nobukuma 0:003889bc474f 276 virtual void HCISend(const u8* data, int len) = 0;
nobukuma 0:003889bc474f 277 virtual int ACLSend(const u8* data, int len) = 0;
nobukuma 0:003889bc474f 278 };
nobukuma 0:003889bc474f 279
nobukuma 0:003889bc474f 280 #endif