Diff: hci.cpp

Revision:

1:0dde58e0cccf

Parent:

0:81ed8b6e4a8b

Child:

2:0118da9e5169

--- a/hci.cpp	Mon Apr 04 16:41:03 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,421 +0,0 @@
-
-/*
-Copyright (c) 2010 Peter Barrett
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "Utils.h"
-#include "hci.h"
-#include "hci_private.h"
-#include "USBHost.h" //for USBLoop
-
-enum hci_callback_evt {
-    NONE,
-    CONNECT,
-    DISCONECT,
-    INQUIRYRESULT
-};
-
-#define MAX_BLUETOOTH_ADAPTERS 1
-
-enum StateMask {
-    MASK_RESET = 1,
-    MASK_READ_BUFFER_SIZE = 2,
-    MASK_READ_BD_ADDR = 4,
-    MASK_INITED = 8,
-    MASK_INQUIRY = 16,
-    MASK_REMOTE_NAME = 32,
-    MASK_CREATE_CONNECTION = 64
-};
-
-int  HCI::Open(HCITransport* transport, HCICallback callback) {
-    _transport = transport;
-    _transport->Set(this);
-    _callback = callback;
-    _state = 0;
-    for (int i = 0; i < MAX_BTDEVICES; i++) {
-        _devices[i].Init();
-        _devices[i]._transport = transport;
-    }
-    cmd_credits = 1;
-    return SendCmd(HCI_OP_RESET);
-}
-
-void printf(const BD_ADDR* addr);
-
-BTDevice* HCI::Find(const BD_ADDR* addr) {
-    for (int i = 0; i < MAX_BTDEVICES; i++)
-        if (_devices[i]._state != 0 && memcmp(addr,&_devices[i]._info.bdaddr,6) == 0)
-            return &_devices[i];
-    return 0;
-}
-
-BTDevice* HCI::Find(int handle) {
-    for (int i = 0; i < MAX_BTDEVICES; i++)
-        if (_devices[i]._state != 0 && handle == _devices[i]._handle)
-            return &_devices[i];
-    return 0;
-}
-//
-bool HCI::Busy() {
-    return (_state & (MASK_INQUIRY | MASK_REMOTE_NAME | MASK_CREATE_CONNECTION)) != 0;
-}
-
-int HCI::Inquiry(int duration) {
-    _state |= MASK_INQUIRY;
-    u8 buf[5];
-    buf[0] = 0x33;//LAP=0x9e8b33
-    buf[1] = 0x8B;
-    buf[2] = 0x9E;
-    buf[3] = duration;
-    buf[4] = 5;  // 5 results
-    SendCmd(HCI_OP_INQUIRY,buf,sizeof(buf));
-    return 0;
-}
-
-int HCI::SendCmd(int cmd, const u8* params, int len) {
-    u8 b[32];
-    b[0] = cmd;
-    b[1] = (cmd >> 8);
-    b[2] = len;
-    if (params)
-        memcpy(b+3,params,len);
-    //printf("%d cmd_credits\n", cmd_credits);
-    while (cmd_credits == 0) {
-        USBLoop();
-        putc('_', stdout);
-    }
-    _transport->HCISend(b,len+3);
-    return 0;
-}
-
-void HCI::OnCommandComplete(int cmd, const u8* data, int len) {
-    printf("%04X %s",cmd,CmdStr(cmd));
-    if (len < 0)
-        return;
-    printfBytes(" complete",data,min(16,len));
-
-    switch (cmd) {
-            //  Init phase 0
-        case HCI_OP_RESET:  // Reset done, init chain to HCI_OP_READ_LOCAL_NAME
-            SendCmd(HCI_OP_READ_BUFFER_SIZE);
-            _state |= MASK_RESET;
-            break;
-
-            //  Init phase 1
-        case HCI_OP_READ_BUFFER_SIZE:
-            _acl_mtu = LE16(data);
-            _sco_mtu = data[2];
-            _acl_max_pkt = LE16(data+3);
-            _sco_max_pkt = LE16(data+5);
-            printf("acl_mtu=%d, acl_max_pkt=%d\n", _acl_mtu, _acl_max_pkt);
-            SendCmd(HCI_OP_READ_BD_ADDR);
-            _state |= MASK_READ_BUFFER_SIZE;
-            break;
-
-            //  Init phase 2
-        case HCI_OP_READ_BD_ADDR:
-            _localAddr = *((BD_ADDR*)data); // Local Address
-            _state |= MASK_READ_BD_ADDR;
-            _state |= MASK_INITED;
-            Callback(CALLBACK_READY,data,6);
-            break;
-
-            // 0CXX
-        case HCI_OP_READ_LOCAL_NAME:
-        case HCI_OP_LINK_KEY_NEG_REPLY:
-            break;
-
-        case HCI_OP_READ_LOCAL_VERSION:
-            // params
-            //SendCmd(HCI_OP_READ_LOCAL_NAME);
-            break;
-
-        case HCI_OP_READ_LOCAL_COMMANDS:
-            break;
-
-        case HCI_OP_READ_LOCAL_FEATURES:
-            //SendCmd(HCI_OP_READ_LOCAL_VERSION);
-            break;
-
-        case HCI_OP_READ_LOCAL_EXT_FEATURES:
-            break;
-
-        case HCI_OP_PIN_CODE_REPLY:
-            printf("Got pin reply\n");
-            break;
-
-        default:
-            printf("Unrecognized Command %04X\n",cmd);
-            break;
-    }
-}
-
-void HCI::Callback(HCI_CALLBACK_EVENT c, const u8* data, int len) {
-    if (_callback) _callback(this,c,data,len);
-//    (this->*_callback)(c, data, len);
-}
-
-int HCI::RemoteNameRequest(const BD_ADDR* addr) {
-    _state |= MASK_REMOTE_NAME;
-    u8 buf[6+4];
-    memset(buf,0,sizeof(buf));
-    memcpy(buf,addr,6);
-    //buf[7] = 1;
-    return SendCmd(HCI_OP_REMOTE_NAME_REQ,buf,sizeof(buf));
-}
-int HCI::RemoteNameRequest(inquiry_info *ii) {
-    _state |= MASK_REMOTE_NAME;
-    u8 buf[6+4];
-    //memset(buf,0,sizeof(buf));
-    memcpy(buf,&ii->bdaddr,6);
-    buf[6] = ii->pscan_rep_mode;
-    buf[7] = 0;
-    *(unsigned short*)(buf+8) = 0;
-    return SendCmd(HCI_OP_REMOTE_NAME_REQ,buf,sizeof(buf));
-}
-
-
-int HCI::CreateConnection(const BD_ADDR* remoteAddr) {
-    _state |= MASK_CREATE_CONNECTION;
-    u8 buf[6+7];
-    memset(buf,0,sizeof(buf));
-    memcpy(buf,remoteAddr,6);
-    buf[6] = 0x18;  // DM1,DH1
-    buf[7] = 0xCC;  // DM3, DH3, DM5, DH5
-    buf[8] = 1;     // Page Repetition R1
-    return SendCmd(HCI_OP_CREATE_CONN,buf,sizeof(buf));
-}
-
-int HCI::Disconnect(const BD_ADDR* bdaddr) {
-    BTDevice* d = Find(bdaddr);
-    if (!d)
-        return ERR_HCI_DEVICE_NOT_FOUND;
-    int handle = d->_handle;
-    printf("Disconnect from %d\n",handle);
-    _state |= MASK_CREATE_CONNECTION;
-    u8 buf[3];
-    buf[0] = handle;
-    buf[1] = (handle >> 8);
-    buf[2] = 0x13;
-    return SendCmd(HCI_OP_DISCONNECT,buf,sizeof(buf));
-}
-
-void HCI::DisconnectComplete(int handle) {
-    BTDevice* d = Find(handle);
-    if (!d)
-        return;
-    d->_handle = 0;
-}
-
-int HCI::DisconnectAll() {
-    BTDevice* devs[8];
-    int count = GetDevices(devs,8);
-    for (int i = 0; i < count; i++)
-        Disconnect(&devs[i]->_info.bdaddr);
-    return 0;
-}
-
-int HCI::PinCodeReply(const u8* data, const u8* pin) {
-    u8 b[6+1+16];
-    memset(b,0,sizeof(b));
-    memcpy(b,data,6);
-    b[6] = 4;
-    memcpy(b+7, pin, 4);
-    return SendCmd(HCI_OP_PIN_CODE_REPLY,b,sizeof(b));
-}
-
-void HCI::InquiryResult(const inquiry_info* info) {
-    BTDevice* bt = Find(&info->bdaddr);
-    if (!bt) {  // new device
-        for (int i = 0; i < MAX_BTDEVICES; i++) {
-            if (_devices[i]._state == 0) {
-                bt = _devices + i;
-                bt->_state = 1;
-                break;
-            }
-        }
-        if (!bt) {
-            printf("HCI::InquiryResult too many devices\n");
-            return; // Too many devices!
-        }
-    }
-
-    bt->_info = *info;
-}
-
-int HCI::GetDevices(BTDevice** devices, int maxDevices) {
-    int j = 0;
-    for (int i = 0; i < MAX_BTDEVICES; i++) {
-        if (_devices[i]._state != 0) {
-            devices[j++] = _devices + i;
-            if (j == maxDevices)
-                break;
-        }
-    }
-    return j;
-}
-
-void HCI::RemoteName(const BD_ADDR* addr, const char* name) {
-    BTDevice* d = Find(addr);
-    if (d) {
-        strncpy(d->_name,name,sizeof(d->_name)-1);
-        d->_name[sizeof(d->_name)-1] = 0;
-    }
-}
-
-void HCI::ConnectComplete(const connection_info* info) {
-    BTDevice* d = Find(&info->bdaddr);
-    if (!d)
-        return;
-    if (info->status == 0) {
-        d->_handle = info->handle;
-        printf("Connected on %04X\n",info->handle);
-    } else
-        printf("Connection failed with %d\n",info->status);
-}
-
-void HCI::HCIRecv(const u8* data, int len) {
-    // printfBytes(EvtStr(data[0]),data,min(len,16));
-    switch (data[0]) {
-        case HCI_EV_INQUIRY_COMPLETE:
-            printfBytes("Inquiry Complete",data,data[1]);
-            _state &= ~MASK_INQUIRY;
-            Callback(CALLBACK_INQUIRY_DONE,0,0);
-            break;
-
-        case HCI_EV_INQUIRY_RESULT: {
-            const u8* end = data[1] + data + 2;
-            data += 3;
-            while (data < end) {
-                inquiry_info align;
-                memcpy(&align,data,sizeof(inquiry_info));
-                InquiryResult(&align);
-                Callback(CALLBACK_INQUIRY_RESULT,(u8*)&align,sizeof(inquiry_info));
-                data += 14;
-            }
-        }
-        break;
-
-        case HCI_EV_CONN_COMPLETE:
-            _state &= ~MASK_CREATE_CONNECTION;
-            {
-                connection_info align;
-                memcpy(&align,data+2,sizeof(connection_info));
-                ConnectComplete(&align);
-                Callback(CALLBACK_CONNECTION_COMPLETE,(u8*)&align,sizeof(connection_info));
-            }
-            break;
-
-        case HCI_EV_CONN_REQUEST:
-            break;
-
-        case HCI_EV_DISCONN_COMPLETE:
-            DisconnectComplete(LE16(data+3));
-            break;
-
-        case HCI_EV_REMOTE_NAME: {
-            BD_ADDR* addr = (BD_ADDR*)(data+3);
-            const char* name = (const char*)(data + 9);
-            RemoteName(addr,name);
-        }
-        Callback(CALLBACK_REMOTE_NAME,data+3,LE16(data+1));    // addr is in here too
-        _state &= ~MASK_REMOTE_NAME;
-        break;
-
-        case HCI_EV_CMD_STATUS: {
-            const char* errs = HCIErrStr(data[2]);
-            printf("Status %s %s %d cmd pkts\n",CmdStr(LE16(data+4)),errs, data[3]);
-            cmd_credits = data[3];
-        }
-        Callback(CALLBACK_CMD_STATUS, data+2, 4);
-        break;
-
-        case HCI_EV_CMD_COMPLETE:
-            OnCommandComplete(data[3] | (data[4] << 8),data+6,data[1]-4);
-            cmd_credits = data[2];
-            break;
-
-        case HCI_EV_PIN_CODE_REQ:
-            Callback(CALLBACK_PIN_REQ, data+2, 6);
-            //PinCodeReply(data+2);
-            break;
-
-        case HCI_EV_LINK_KEY_REQ:
-            SendCmd(HCI_OP_LINK_KEY_NEG_REPLY,data+2,6);
-            break;
-        case HCI_EV_NUM_COMP_PKTS:
-        case HCI_EV_LINK_KEY_NOTIFY:
-            break;
-        default:
-
-            printfBytes("HCIRecv:",data,data[1]+2);
-            break;
-    }
-}
-
-int HCI::Open(SocketInternal* sock, SocketAddrHdr* addr) {
-    L2CAPSocket* l2capsock = (L2CAPSocket*)sock;
-    L2CAPAddr* l2capaddr = (L2CAPAddr*)addr;
-    BTDevice* bt = Find(&l2capaddr->bdaddr);
-    if (!bt) {
-        printf("Can't open l2cap %d on ",l2capaddr->psm);
-        printf(&l2capaddr->bdaddr);
-        printf("\n");
-        return ERR_HCI_DEVICE_NOT_FOUND;
-    }
-    l2capsock->btdevice = bt;
-    return bt->Open(sock,addr);
-}
-
-int HCI::Send(SocketInternal* sock, const u8* data, int len) {//check here for appropriate buffersize on the device
-//assume acl packet
-#if OFFSET==8 //sizeof ACL/L2CAP is include in data/len
-    if (len > _acl_max_pkt)
-#else //OFFSET==0, data is bare application frame
-    if (len+8 > _acl_mtu)
-#endif
-    { printf("Max outgoing packet(%d) size exceeded, segmenting necessary, pktlen = %d\n", _acl_mtu, len);
-    }
-    L2CAPSocket* l2capsock = (L2CAPSocket*)sock;
-    return l2capsock->btdevice->Send(sock,data,len);    // Pointless double dispatch
-}
-
-int HCI::Close(SocketInternal* sock) {
-    L2CAPSocket* l2capsock = (L2CAPSocket*)sock;
-    return l2capsock->btdevice->Close(sock);    // Pointless double dispatch
-}
-
-void HCI::ACLRecv(const u8* data, int len) {
-    int handle = LE16(data);
-    BTDevice* d = Find(handle & 0x0FFF);
-    if (d)
-        d->ACLRecv(data,len);
-    else
-        printfBytes("HCI:ACLRecv ", data, len);
-}
-
-//===================================================================
-//===================================================================