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bluetooth.cpp
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bluetooth.cpp
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/* USB EHCI Host for Teensy 3.6
* Copyright 2017 Paul Stoffregen (paul@pjrc.com)
*
* 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.
*
* information about the BlueTooth HCI comes from logic analyzer captures
* plus... http://affon.narod.ru/BT/bluetooth_app_c10.pdf
*/
#include <Arduino.h>
#include "USBHost_t36.h" // Read this header first for key info
#define print PrintDebug::print_
#define println PrintDebug::println_//#define DEBUG_BT
//#define DEBUG_BT
//#define DEBUG_BT_VERBOSE
#ifndef DEBUG_BT
#undef DEBUG_BT_VERBOSE
void inline DBGPrintf(...) {};
#else
#define DBGPrintf USBHDBGSerial.printf
#endif
#ifndef DEBUG_BT_VERBOSE
void inline VDBGPrintf(...) {};
#else
#define VDBGPrintf USBHDBGSerial.printf
#endif
/************************************************************/
// Define HCI Commands OGF HIgh byte OCF is low byte...
// Actually shifted values...
/************************************************************/
#define HCI_INQUIRY 0x0401
#define HCI_INQUIRY_CANCEL 0x0402
#define HCI_CREATE_CONNECTION 0x0405
#define HCI_OP_ACCEPT_CONN_REQ 0x0409
#define HCI_LINK_KEY_NEG_REPLY 0x040C
#define HCI_PIN_CODE_REPLY 0x040D
#define HCI_AUTH_REQUESTED 0x0411
#define HCI_OP_REMOTE_NAME_REQ 0x0419
#define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a
#define HCI_OP_READ_REMOTE_FEATURES 0x041b
#define HCI_OP_READ_REMOTE_VERSION_INFORMATION 0x041D
#define HCI_Write_Default_Link_Policy_Settings 0x080f
#define HCI_Set_Event_Mask 0x0c01
#define HCI_RESET 0x0c03
#define HCI_Set_Event_Filter_Clear 0x0c05
#define HCI_Read_Local_Name 0x0c14
#define HCI_Read_Stored_Link_Key 0x0c0d
#define HCI_DELETE_STORED_LINK_KEY 0x0c12
#define HCI_WRITE_LOCAL_NAME 0x0c13
#define Write_Connection_Accept_Timeout 0x0c16
#define HCI_WRITE_SCAN_ENABLE 0x0c1a
#define HCI_Read_Page_Scan_Activity 0x0c1b
#define HCI_READ_CLASS_OF_DEVICE 0x0c23
#define HCI_WRITE_CLASS_OF_DEV 0x0C24
#define HCI_Read_Voice_Setting 0x0c25
#define HCI_Read_Number_Of_Supported_IAC 0x0c38
#define HCI_Read_Current_IAC_LAP 0x0c39
#define HCI_WRITE_INQUIRY_MODE 0x0c45
#define HCI_Read_Page_Scan_Type 0x0c46
#define HCI_WRITE_EIR 0x0c52
#define HCI_WRITE_SSP_MODE 0x0c56
#define HCI_Read_Inquiry_Response_Transmit_Power_Level 0x0c58
#define HCI_WRITE_LE_HOST_SUPPORTED 0x0c6d
#define HCI_Read_Local_Supported_Features 0x1003
#define HCI_Read_Local_Extended_Features 0x1004
#define HCI_Read_Buffer_Size 0x1005
#define HCI_Read_BD_ADDR 0x1009
#define HCI_Read_Local_Version_Information 0x1001
#define HCI_Read_Local_Supported_Commands 0x1002
#define HCI_LE_SET_EVENT_MASK 0x2001
#define HCI_LE_Read_Buffer_Size 0x2002
#define HCI_LE_Read_Local_supported_Features 0x2003
#define HCI_LE_READ_ADV_TX_POWER 0x2007
#define HCI_LE_SET_ADV_DATA 0x2008
#define HCI_LE_SET_SCAN_RSP_DATA 0x2009
#define HCI_LE_READ_WHITE_LIST_SIZE 0x200f
#define HCI_LE_CLEAR_WHITE_LIST 0x2010
#define HCI_LE_Supported_States 0x201c
/* Bluetooth L2CAP PSM - see http://www.bluetooth.org/Technical/AssignedNumbers/logical_link.htm */
#define SDP_PSM 0x01 // Service Discovery Protocol PSM Value
#define HID_CTRL_PSM 0x11 // HID_Control PSM Value
#define HID_INTR_PSM 0x13 // HID_Interrupt PSM Value
// Used For Connection Response
#define PENDING 0x01
#define SUCCESSFUL 0x00
/* L2CAP signaling commands */
#define L2CAP_CMD_COMMAND_REJECT 0x01
#define L2CAP_CMD_CONNECTION_REQUEST 0x02
#define L2CAP_CMD_CONNECTION_RESPONSE 0x03
#define L2CAP_CMD_CONFIG_REQUEST 0x04
#define L2CAP_CMD_CONFIG_RESPONSE 0x05
#define L2CAP_CMD_DISCONNECT_REQUEST 0x06
#define L2CAP_CMD_DISCONNECT_RESPONSE 0x07
#define L2CAP_CMD_INFORMATION_REQUEST 0x0A
#define L2CAP_CMD_INFORMATION_RESPONSE 0x0B
#define HID_THDR_DATA_INPUT 0xa1
// HID stuff
#define HID_BOOT_PROTOCOL 0x00
#define HID_RPT_PROTOCOL 0x01
/* HCI Events */
enum {EV_INQUIRY_COMPLETE= 0x01,EV_INQUIRY_RESULT= 0x02,EV_CONNECT_COMPLETE= 0x03,EV_INCOMING_CONNECT= 0x04,EV_DISCONNECT_COMPLETE= 0x05
,EV_AUTHENTICATION_COMPLETE= 0x06,EV_REMOTE_NAME_COMPLETE= 0x07,EV_ENCRYPTION_CHANGE= 0x08,EV_CHANGE_CONNECTION_LINK= 0x09,EV_ROLE_CHANGED= 0x12
,EV_NUM_COMPLETE_PKT= 0x13,EV_PIN_CODE_REQUEST= 0x16,EV_LINK_KEY_REQUEST= 0x17,EV_LINK_KEY_NOTIFICATION= 0x18,EV_DATA_BUFFER_OVERFLOW= 0x1A
,EV_MAX_SLOTS_CHANGE= 0x1B,EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE= 0x0C,EV_QOS_SETUP_COMPLETE= 0x0D,EV_COMMAND_COMPLETE= 0x0E,EV_COMMAND_STATUS= 0x0F
,EV_LOOPBACK_COMMAND= 0x19,EV_PAGE_SCAN_REP_MODE= 0x20, EV_INQUIRY_RESULTS_WITH_RSSI=0x22, EV_EXTENDED_INQUIRY_RESULT=0x2F };
// different modes
enum {PC_RESET = 1, PC_WRITE_CLASS_DEVICE, PC_READ_BDADDR, PC_READ_LOCAL_VERSION,
PC_SEND_WRITE_INQUIRE_MODE, PC_SEND_SET_EVENT_MASK, PC_SEND_INQUIRE,
PC_INQUIRE_CANCEL=100, PC_AUTHENTICATION_REQUESTED=110, PC_LINK_KEY_NEGATIVE=120, PC_PIN_CODE_REPLY=130,
PC_WRITE_SCAN_PAGE=200};
//////////////
//////////////
// Setup some states for the TX pipe where we need to chain messages
enum {STATE_TX_SEND_CONNECT_INT=200, STATE_TX_SEND_CONECT_RSP_SUCCESS, STATE_TX_SEND_CONFIG_REQ, STATE_TX_SEND_CONECT_ISR_RSP_SUCCESS, STATE_TX_SEND_CONFIG_ISR_REQ,
STATE_TX_SEND_CONECT_SDP_RSP_SUCCESS, STATE_TX_SEND_CONFIG_SDP_REQ};
// This is a list of all the drivers inherited from the BTHIDInput class.
// Unlike the list of USBDriver (managed in enumeration.cpp), drivers stay
// on this list even when they have claimed a top level collection.
BTHIDInput * BluetoothController::available_bthid_drivers_list = NULL;
void BluetoothController::driver_ready_for_bluetooth(BTHIDInput *driver)
{
driver->next = NULL;
if (available_bthid_drivers_list == NULL) {
available_bthid_drivers_list = driver;
} else {
BTHIDInput *last = available_bthid_drivers_list;
while (last->next) last = last->next;
last->next = driver;
}
}
// When a new top level collection is found, this function asks drivers
// if they wish to claim it. The driver taking ownership of the
// collection is returned, or NULL if no driver wants it.
BTHIDInput * BluetoothController::find_driver(uint32_t device_type, uint8_t *remoteName)
{
USBHDBGSerial.printf("BluetoothController::find_driver");
BTHIDInput *driver = available_bthid_drivers_list;
while (driver) {
USBHDBGSerial.printf(" driver %x\n", (uint32_t)driver);
if (driver->claim_bluetooth(this, device_type, remoteName)) {
USBHDBGSerial.printf(" *** Claimed ***\n");
return driver;
}
driver = driver->next;
}
return NULL;
}
//12 01 00 02 FF 01 01 40 5C 0A E8 21 12 01 01 02 03 01
//VendorID = 0A5C, ProductID = 21E8, Version = 0112
//Class/Subclass/Protocol = 255 / 1 / 1
BluetoothController::product_vendor_mapping_t BluetoothController::pid_vid_mapping[] = {
{ 0xA5C, 0x21E8 }};
/************************************************************/
// Initialization and claiming of devices & interfaces
/************************************************************/
void BluetoothController::init()
{
contribute_Pipes(mypipes, sizeof(mypipes)/sizeof(Pipe_t));
contribute_Transfers(mytransfers, sizeof(mytransfers)/sizeof(Transfer_t));
contribute_String_Buffers(mystring_bufs, sizeof(mystring_bufs)/sizeof(strbuf_t));
usb_host_port->driver_ready_for_device(this);
}
bool BluetoothController::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t len)
{
// only claim at device level
println("BluetoothController claim this=", (uint32_t)this, HEX);
if (type != 0) return false; // claim at the device level
// Lets try to support the main USB Bluetooth class...
// http://www.usb.org/developers/defined_class/#BaseClassE0h
if (dev->bDeviceClass != 0xe0) {
bool special_case_device = false;
for (uint8_t i=0; i < (sizeof(pid_vid_mapping)/sizeof(pid_vid_mapping[0])); i++) {
if ((pid_vid_mapping[i].idVendor == dev->idVendor) && (pid_vid_mapping[i].idProduct == dev->idProduct)) {
special_case_device = true;
break;
}
}
if (!special_case_device) return false;
}
if ((dev->bDeviceSubClass != 1) || (dev->bDeviceProtocol != 1)) return false; // Bluetooth Programming Interface
DBGPrintf("BluetoothController claim this=%x vid:pid=%x:%x\n ", (uint32_t)this, dev->idVendor, dev->idProduct);
if (len > 512) {
DBGPrintf(" Descriptor length %d only showing first 512\n ");
len = 512;
}
for (uint16_t i=0; i < len; i++) {
DBGPrintf("%x ", descriptors[i]);
if ((i & 0x3f) == 0x3f) DBGPrintf("\n ");
}
DBGPrintf("\n ");
// Lets try to process the first Interface and get the end points...
// Some common stuff for both XBoxs
uint32_t count_end_points = descriptors[4];
if (count_end_points < 2) return false;
uint32_t rxep = 0;
uint32_t rx2ep = 0;
uint32_t txep = 0;
uint8_t rx_interval = 0;
uint8_t rx2_interval = 0;
uint8_t tx_interval = 0;
rx_size_ = 0;
rx2_size_ = 0;
tx_size_ = 0;
uint32_t descriptor_index = 9;
while (count_end_points-- /*&& ((rxep == 0) || txep == 0) */) {
if (descriptors[descriptor_index] != 7) return false; // length 7
if (descriptors[descriptor_index+1] != 5) return false; // ep desc
if ((descriptors[descriptor_index+4] <= 64)
&& (descriptors[descriptor_index+5] == 0)) {
// have a bulk EP size
if (descriptors[descriptor_index+2] & 0x80 ) {
if (descriptors[descriptor_index+3] == 3) { // Interrupt
rxep = descriptors[descriptor_index+2];
rx_size_ = descriptors[descriptor_index+4];
rx_interval = descriptors[descriptor_index+6];
} else if (descriptors[descriptor_index+3] == 2) { // bulk
rx2ep = descriptors[descriptor_index+2];
rx2_size_ = descriptors[descriptor_index+4];
rx2_interval = descriptors[descriptor_index+6];
}
} else {
txep = descriptors[descriptor_index+2];
tx_size_ = descriptors[descriptor_index+4];
tx_interval = descriptors[descriptor_index+6];
}
}
descriptor_index += 7; // setup to look at next one...
}
if ((rxep == 0) || (txep == 0)) {
USBHDBGSerial.printf("Bluetooth end points not found: %d %d\n", rxep, txep);
return false; // did not find two end points.
}
DBGPrintf(" rxep=%d(%d) txep=%d(%d) rx2ep=%d(%d)\n", rxep&15, rx_size_, txep, tx_size_,
rx2ep&15, rx2_size_);
print("BluetoothController, rxep=", rxep & 15);
print("(", rx_size_);
print("), txep=", txep);
print("(", tx_size_);
println(")");
rxpipe_ = usb_host_port->new_Pipe(dev, 3, rxep & 15, 1, rx_size_, rx_interval);
if (!rxpipe_) return false;
txpipe_ = usb_host_port->new_Pipe(dev, 3, txep, 0, tx_size_, tx_interval);
if (!txpipe_) {
//free_Pipe(rxpipe_);
return false;
}
rx2pipe_ = usb_host_port->new_Pipe(dev, 2, rx2ep & 15, 1, rx2_size_, rx2_interval);
if (!rx2pipe_) {
// Free other pipes...
return false;
}
rxpipe_->callback_function = rx_callback;
usb_host_port->queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this);
rx2pipe_->callback_function = rx2_callback;
usb_host_port->queue_Data_Transfer(rx2pipe_, rx2buf_, rx2_size_, this);
txpipe_->callback_function = tx_callback;
// Send out the reset
device = dev; // yes this is normally done on return from this but should not hurt if we do it here.
sendResetHCI();
pending_control_ = PC_RESET;
pending_control_tx_ = 0; //
return true;
}
void BluetoothController::disconnect()
{
USBHDBGSerial.printf("Bluetooth Disconnect");
if (connections_[current_connection_].device_driver_) {
connections_[current_connection_].device_driver_->release_bluetooth();
connections_[current_connection_].device_driver_->remote_name_[0] = 0;
connections_[current_connection_].device_driver_ = nullptr;
}
connections_[current_connection_].connection_complete_ = false;
}
void BluetoothController::timer_event(USBDriverTimer *whichTimer)
{
}
void BluetoothController::control(const Transfer_t *transfer)
{
println(" control callback (bluetooth) ", pending_control_, HEX);
#ifdef DEBUG_BT_VERBOSE
DBGPrintf(" Control callback (bluetooth): %d : ", pending_control_);
uint8_t *buffer = (uint8_t*)transfer->buffer;
for (uint8_t i=0; i < transfer->length; i++) DBGPrintf("%x ", buffer[i]);
DBGPrintf("\n");
#endif
}
/************************************************************/
// Interrupt-based Data Movement
/************************************************************/
void BluetoothController::rx_callback(const Transfer_t *transfer)
{
if (!transfer->driver) return;
((BluetoothController *)(transfer->driver))->rx_data(transfer);
}
void BluetoothController::rx2_callback(const Transfer_t *transfer)
{
if (!transfer->driver) return;
((BluetoothController *)(transfer->driver))->rx2_data(transfer);
}
void BluetoothController::tx_callback(const Transfer_t *transfer)
{
if (!transfer->driver) return;
((BluetoothController *)(transfer->driver))->tx_data(transfer);
}
void BluetoothController::rx_data(const Transfer_t *transfer)
{
uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF);
PrintDebug::print_hexbytes((uint8_t*)transfer->buffer, len);
// DBGPrintf("<<(00 : %d): ", len);
DBGPrintf("<<(01):");
uint8_t *buffer = (uint8_t*)transfer->buffer;
for (uint8_t i=0; i < len; i++) DBGPrintf("%02X ", buffer[i]);
DBGPrintf("\n");
// Note the logical packets returned from the device may be larger
// than can fit in one of our packets, so we will detect this and
// the next read will be continue in or rx_buf_ in the next logical
// location. We will only go into process the next logical state
// when we have the full response read in...
if (rx_packet_data_remaining == 0) { // Previous command was fully handled
rx_packet_data_remaining = rxbuf_[1] + 2; // length of data plus the two bytes at start...
}
// Now see if the data
rx_packet_data_remaining -= len; // remove the length of this packet from length
if (rx_packet_data_remaining == 0) { // read started at beginning of packet so get the total length of packet
switch(rxbuf_[0]) { // Switch on event type
case EV_COMMAND_COMPLETE: //0x0e
handle_hci_command_complete();// Check if command succeeded
break;
case EV_COMMAND_STATUS: //0x0f
handle_hci_command_status();
break;
case EV_INQUIRY_COMPLETE: // 0x01
handle_hci_inquiry_complete();
break;
case EV_INQUIRY_RESULT: // 0x02
handle_hci_inquiry_result(false);
break;
case EV_CONNECT_COMPLETE: // 0x03
handle_hci_connection_complete();
break;
case EV_INCOMING_CONNECT: // 0x04
handle_hci_incoming_connect();
break;
case EV_DISCONNECT_COMPLETE: // 0x05
handle_hci_disconnect_complete();
break;
case EV_AUTHENTICATION_COMPLETE:// 0x06
handle_hci_authentication_complete();
break;
case EV_REMOTE_NAME_COMPLETE: // 0x07
handle_hci_remote_name_complete();
break;
case EV_READ_REMOTE_VERSION_INFORMATION_COMPLETE:
handle_hci_remote_version_information_complete();
break;
case EV_PIN_CODE_REQUEST: // 0x16
handle_hci_pin_code_request();
break;
case EV_LINK_KEY_REQUEST: // 0x17
handle_hci_link_key_request();
break;
case EV_LINK_KEY_NOTIFICATION: // 0x18
handle_hci_link_key_notification();
break;
case EV_INQUIRY_RESULTS_WITH_RSSI:
handle_hci_inquiry_result(true);
break;
case EV_EXTENDED_INQUIRY_RESULT:
handle_hci_extended_inquiry_result();
break;
default:
break;
}
// Start read at start of buffer.
usb_host_port->queue_Data_Transfer(rxpipe_, rxbuf_, rx_size_, this);
} else {
// Continue the read - Todo - maybe verify len == rx_size_
usb_host_port->queue_Data_Transfer(rxpipe_, buffer + rx_size_, rx_size_, this);
return; // Don't process the message yet as we still have data to receive.
}
}
//===================================================================
// Called when an HCI command completes.
void BluetoothController::handle_hci_command_complete()
{
uint16_t hci_command = rxbuf_[3] + (rxbuf_[4] << 8);
uint8_t buffer_index;
if(!rxbuf_[5]) {
VDBGPrintf(" Command Completed! \n");
} else {
VDBGPrintf(" Command(%x) Completed - Error: %d! \n", hci_command, rxbuf_[5]);
// BUGBUG:: probably need to queue something?
}
switch (hci_command) {
case HCI_OP_REMOTE_NAME_REQ:
break;
case HCI_RESET: //0x0c03
if (!rxbuf_[5]) pending_control_ = PC_WRITE_CLASS_DEVICE;
// If it fails, will retry. maybe should have repeat max...
break;
case HCI_Set_Event_Filter_Clear: //0x0c05
break;
case HCI_Read_Local_Name: //0x0c14
// received name back...
{
//BUGBUG:: probably want to grab string object and copy to
USBHDBGSerial.printf(" Local name: %s\n", &rxbuf_[6]);
/*
uint8_t len = rxbuf_[1]+2; // Length field +2 for total bytes read
for (uint8_t i=6; i < len; i++) {
if (rxbuf_[i] == 0) {
break;
}
USBHDBGSerial.printf("%c", rxbuf_[i]);
}
USBHDBGSerial.printf("\n"); */
}
break;
case Write_Connection_Accept_Timeout: //0x0c16
break;
case HCI_READ_CLASS_OF_DEVICE: // 0x0c23
break;
case HCI_Read_Voice_Setting: //0x0c25
break;
case HCI_Read_Number_Of_Supported_IAC: //0x0c38
break;
case HCI_Read_Current_IAC_LAP: //0x0c39
break;
case HCI_WRITE_INQUIRY_MODE: //0x0c45
break;
case HCI_Read_Inquiry_Response_Transmit_Power_Level: //0x0c58
break;
case HCI_Read_Local_Supported_Features: //0x1003
// Remember the features supported by local...
for (buffer_index = 0; buffer_index < 8; buffer_index++) {
features[buffer_index] = rxbuf_[buffer_index+6];
}
break;
case HCI_Read_Buffer_Size: // 0x1005
break;
case HCI_Read_BD_ADDR: //0x1009
{
for(uint8_t i = 0; i < 6; i++) my_bdaddr_[i] = rxbuf_[6 + i];
DBGPrintf(" BD Addr %x:%x:%x:%x:%x:%x\n", my_bdaddr_[5], my_bdaddr_[4], my_bdaddr_[3], my_bdaddr_[2], my_bdaddr_[1], my_bdaddr_[0]);
}
break;
case HCI_Read_Local_Version_Information: //0x1001
hciVersion = rxbuf_[6]; // Should do error checking above...
DBGPrintf(" Local Version: %x\n", hciVersion);
pending_control_ = (do_pair_device_)? PC_SEND_WRITE_INQUIRE_MODE : PC_WRITE_SCAN_PAGE;
break;
case HCI_Read_Local_Supported_Commands: //0x1002
break;
case HCI_LE_Read_Buffer_Size: //0x2002
break;
case HCI_LE_Read_Local_supported_Features: //0x2003
break;
case HCI_LE_Supported_States: //0x201c
break;
case HCI_Read_Local_Extended_Features: //0x1004
break;
case HCI_Set_Event_Mask: //0x0c01
break;
case HCI_Read_Stored_Link_Key: //0x0c0d
break;
case HCI_Write_Default_Link_Policy_Settings: //0x080f
break;
case HCI_Read_Page_Scan_Activity: //0x0c1b
break;
case HCI_Read_Page_Scan_Type: //0x0c46
break;
case HCI_LE_SET_EVENT_MASK: //0x2001
break;
case HCI_LE_READ_ADV_TX_POWER: //0x2007
break;
case HCI_LE_READ_WHITE_LIST_SIZE: //0x200f
break;
case HCI_LE_CLEAR_WHITE_LIST: //0x2010
break;
case HCI_DELETE_STORED_LINK_KEY: //0x0c12
break;
case HCI_WRITE_LOCAL_NAME: //0x0c13
break;
case HCI_WRITE_SCAN_ENABLE: //0x0c1a
DBGPrintf("Write_Scan_enable Completed\n");
// See if we have driver and a remote
if (connections_[current_connection_].device_driver_ && connections_[current_connection_].connection_complete_) { // We have a driver call their
connections_[current_connection_].device_driver_->connectionComplete();
connections_[current_connection_].connection_complete_ = false; // only call once
}
break;
case HCI_WRITE_SSP_MODE: //0x0c56
break;
case HCI_WRITE_EIR: //0x0c52
break;
case HCI_WRITE_LE_HOST_SUPPORTED: //0x0c6d
break;
case HCI_LE_SET_SCAN_RSP_DATA: //0x2009
break;
}
// And queue up the next command
queue_next_hci_command();
}
void BluetoothController::queue_next_hci_command()
{
// Ok We completed a command now see if we need to queue another command
// Still probably need to reorganize...
switch (pending_control_) {
// Initial setup states.
case PC_RESET:
sendResetHCI();
break;
case PC_WRITE_CLASS_DEVICE:
sendHDCWriteClassOfDev();
pending_control_++;
break;
case PC_READ_BDADDR:
sendHCIReadBDAddr();
pending_control_++;
break;
case PC_READ_LOCAL_VERSION:
sendHCIReadLocalVersionInfo();
//pending_control_++;
break;
// These are used when we are pairing.
case PC_SEND_WRITE_INQUIRE_MODE:
sendHCIHCIWriteInquiryMode(2); // lets set into extended inquire mode
pending_control_++;
break;
case PC_SEND_SET_EVENT_MASK:
sendHCISetEventMask(); // Set the event mask to include extend inquire event
pending_control_++;
break;
case PC_SEND_INQUIRE:
sendHCI_INQUIRY();
pending_control_++;
break;
case PC_INQUIRE_CANCEL:
// lets try to create a connection...
sendHCICreateConnection();
pending_control_++;
break;
case PC_AUTHENTICATION_REQUESTED:
break;
case PC_LINK_KEY_NEGATIVE:
break;
case PC_PIN_CODE_REPLY:
break;
// None Pair mode
case PC_WRITE_SCAN_PAGE:
sendHCIWriteScanEnable(2);
pending_control_ = 0; //
break;
default:
break;
}
}
void BluetoothController::handle_hci_command_status()
{
// <event type><param count><status><num packets allowed to be sent><CMD><CMD>
uint16_t hci_command = rxbuf_[4] + (rxbuf_[5] << 8);
if (rxbuf_[2]) {
#ifdef DEBUG_BT
DBGPrintf(" Command %x Status %x - ", hci_command, rxbuf_[2]);
switch (rxbuf_[2]) {
case 0x01: DBGPrintf("Unknown HCI Command\n"); break;
case 0x02: DBGPrintf("Unknown Connection Identifier\n"); break;
case 0x03: DBGPrintf("Hardware Failure\n"); break;
case 0x04: DBGPrintf("Page Timeout\n"); break;
case 0x05: DBGPrintf("Authentication Failure\n"); break;
case 0x06: DBGPrintf("PIN or Key Missing\n"); break;
case 0x07: DBGPrintf("Memory Capacity Exceeded\n"); break;
case 0x08: DBGPrintf("Connection Timeout\n"); break;
case 0x09: DBGPrintf("Connection Limit Exceeded\n"); break;
case 0x0A: DBGPrintf("Synchronous Connection Limit To A Device Exceeded\n"); break;
case 0x0B: DBGPrintf("Connection Already Exists\n"); break;
case 0x0C: DBGPrintf("Command Disallowed\n"); break;
case 0x0D: DBGPrintf("Connection Rejected due to Limited Resources\n"); break;
case 0x0E: DBGPrintf("Connection Rejected Due To Security Reasons\n"); break;
case 0x0F: DBGPrintf("Connection Rejected due to Unacceptable BD_ADDR\n"); break;
default: DBGPrintf("???\n"); break;
}
#endif
// lets try recovering from some errors...
switch (hci_command) {
case HCI_OP_ACCEPT_CONN_REQ:
// We assume that the connection failed...
DBGPrintf("### Connection Failed ###");
if (count_connections_) count_connections_--;
break;
default:
break;
}
} else {
#ifdef DEBUG_BT
VDBGPrintf(" Command %x Status %x\n", hci_command, rxbuf_[2]);
#endif
}
}
void BluetoothController::handle_hci_inquiry_result(bool fRSSI)
{
// result - versus result with RSSI
// | Diverge here...
// 2 f 1 79 22 23 a c5 cc 1 2 0 40 25 0 3b 2
// 22 f 1 79 22 23 a c5 cc 1 2 40 25 0 3e 31 d2
// Wondered if multiple items if all of the BDADDR are first then next field...
// looks like it is that way...
// Section 7.7.2
if (fRSSI) DBGPrintf(" Inquiry Result with RSSI - Count: %d\n", rxbuf_[2]);
else DBGPrintf(" Inquiry Result - Count: %d\n", rxbuf_[2]);
for (uint8_t i=0; i < rxbuf_[2]; i++) {
uint8_t index_bd = 3 + (i*6);
uint8_t index_ps = 3 + (6*rxbuf_[2]) + i;
uint8_t index_class = 3 + (9*rxbuf_[2]) + i;
uint8_t index_clock_offset = 3 + (12*rxbuf_[2]) + i;
if (fRSSI) {
// Handle the differences in offsets here...
index_class = 3 + (8*rxbuf_[2]) + i;
index_clock_offset = 3 + (11*rxbuf_[2]) + i;
}
uint32_t bluetooth_class = rxbuf_[index_class] + ((uint32_t)rxbuf_[index_class+1] << 8) + ((uint32_t)rxbuf_[index_class+2] << 16);
DBGPrintf(" BD:%x:%x:%x:%x:%x:%x, PS:%d, class: %x\n",
rxbuf_[index_bd],rxbuf_[index_bd+1],rxbuf_[index_bd+2],rxbuf_[index_bd+3],rxbuf_[index_bd+4],rxbuf_[index_bd+5],
rxbuf_[index_ps], bluetooth_class);
// See if we know the class
if (((bluetooth_class & 0xff00) == 0x2500) || ((bluetooth_class & 0xff00) == 0x500)) {
DBGPrintf(" Peripheral device\n");
if (bluetooth_class & 0x80) DBGPrintf(" Mouse\n");
if (bluetooth_class & 0x40) DBGPrintf(" Keyboard\n");
switch(bluetooth_class & 0x3c) {
case 4: DBGPrintf(" Joystick\n"); break;
case 8: DBGPrintf(" Gamepad\n"); break;
case 0xc: DBGPrintf(" Remote Control\n"); break;
}
// BUGBUG, lets hard code to go to new state...
for (uint8_t i = 0; i < 6; i++) connections_[current_connection_].device_bdaddr_[i] = rxbuf_[index_bd+i];
connections_[current_connection_].device_class_ = bluetooth_class;
connections_[current_connection_].device_driver_ = find_driver(connections_[current_connection_].device_class_);
connections_[current_connection_].device_ps_repetion_mode_ = rxbuf_[index_ps]; // mode
connections_[current_connection_].device_clock_offset_[0] = rxbuf_[index_clock_offset];
connections_[current_connection_].device_clock_offset_[1] = rxbuf_[index_clock_offset+1];
// Now we need to bail from inquiry and setup to try to connect...
sendHCIInquiryCancel();
pending_control_ = PC_INQUIRE_CANCEL;
break;
}
}
}
void BluetoothController::handle_hci_extended_inquiry_result()
{
DBGPrintf(" Extended Inquiry Result - Count: %d\n", rxbuf_[2]);
// Should always be only one result here.
uint8_t index_bd = 3;
uint8_t index_ps = 9;
uint8_t index_class = 11;
uint8_t index_clock_offset = 14;
//uint8_t index_rssi = 16;
uint8_t index_eir_data = 17;
uint8_t index_local_name = 0;
uint8_t size_local_name = 0;
uint32_t bluetooth_class = rxbuf_[index_class] + ((uint32_t)rxbuf_[index_class+1] << 8) + ((uint32_t)rxbuf_[index_class+2] << 16);
DBGPrintf(" BD:%x:%x:%x:%x:%x:%x, PS:%d, class: %x\n",
rxbuf_[index_bd],rxbuf_[index_bd+1],rxbuf_[index_bd+2],rxbuf_[index_bd+3],rxbuf_[index_bd+4],rxbuf_[index_bd+5],
rxbuf_[index_ps], bluetooth_class);
// Lets see if we can find a name
while (index_eir_data < 256) {
if (rxbuf_[index_eir_data] == 0) break; // no more data
switch (rxbuf_[index_eir_data+1]) {
case 0x08: // Shortened local name
case 0x09: // complete local name
index_local_name = index_eir_data+2;
size_local_name = rxbuf_[index_eir_data]-1;
break;
}
index_eir_data += rxbuf_[index_eir_data] + 1; // point to the next item
}
if (index_local_name && size_local_name) {
// Hack lets null teminate the string
rxbuf_[index_local_name+size_local_name] = 0;
DBGPrintf(" Local Name: %s\n", &rxbuf_[index_local_name]);
}
// See if we know the class
if (((bluetooth_class & 0xff00) == 0x2500) || ((bluetooth_class & 0xff00) == 0x500)) {
DBGPrintf(" Peripheral device\n");
if (bluetooth_class & 0x80) DBGPrintf(" Mouse\n");
if (bluetooth_class & 0x40) DBGPrintf(" Keyboard\n");
switch(bluetooth_class & 0x3c) {
case 4: DBGPrintf(" Joystick\n"); break;
case 8: DBGPrintf(" Gamepad\n"); break;
case 0xc: DBGPrintf(" Remote Control\n"); break;
}
// BUGBUG, lets hard code to go to new state...
for (uint8_t i = 0; i < 6; i++) connections_[current_connection_].device_bdaddr_[i] = rxbuf_[index_bd+i];
connections_[current_connection_].device_class_ = bluetooth_class;
connections_[current_connection_].device_driver_ = find_driver(connections_[current_connection_].device_class_, index_local_name? &rxbuf_[index_local_name] : nullptr);
connections_[current_connection_].device_ps_repetion_mode_ = rxbuf_[index_ps]; // mode
connections_[current_connection_].device_clock_offset_[0] = rxbuf_[index_clock_offset];
connections_[current_connection_].device_clock_offset_[1] = rxbuf_[index_clock_offset+1];
// and if we found a driver, save away the name
if (connections_[current_connection_].device_driver_ && index_local_name && size_local_name) {
uint8_t buffer_index;
for (buffer_index = 0; size_local_name && (buffer_index < BTHIDInput::REMOTE_NAME_SIZE-1); buffer_index++) {
connections_[current_connection_].device_driver_->remote_name_[buffer_index] = rxbuf_[index_local_name+buffer_index];
size_local_name--;
}
connections_[current_connection_].device_driver_->remote_name_[buffer_index] = 0; // make sure null terminated
}
// Now we need to bail from inquiry and setup to try to connect...
sendHCIInquiryCancel();
pending_control_ = PC_INQUIRE_CANCEL;
}
}
void BluetoothController::handle_hci_inquiry_complete() {
VDBGPrintf(" Inquiry Complete - status: %d\n", rxbuf_[2]);
}
void BluetoothController::handle_hci_connection_complete() {
// 0 1 2 3 4 5 6 7 8 9 10 11 12
// ST CH CH BD BD BD BD BD BD LT EN
// 03 0b 04 00 00 40 25 00 58 4b 00 01 00
connections_[current_connection_].device_connection_handle_ = rxbuf_[3]+ (uint16_t)(rxbuf_[4]<<8);
DBGPrintf(" Connection Complete - ST:%x LH:%x\n", rxbuf_[2], connections_[current_connection_].device_connection_handle_);
if (do_pair_device_ && !(connections_[current_connection_].device_driver_ && (connections_[current_connection_].device_driver_->special_process_required & BTHIDInput::SP_DONT_NEED_CONNECT))) {
sendHCIAuthenticationRequested();
pending_control_ = PC_AUTHENTICATION_REQUESTED;
} else if (connections_[current_connection_].device_driver_ && (connections_[current_connection_].device_driver_->special_process_required & BTHIDInput::SP_NEED_CONNECT)) {
DBGPrintf(" Needs connect to device(PS4?)");
// The PS4 requires a connection request to it.
// But maybe not clones
if (connections_[current_connection_].device_class_ == 0x2508) {
DBGPrintf(" Yes\n");
delay(1);
sendl2cap_ConnectionRequest(connections_[current_connection_].device_connection_handle_, connections_[current_connection_].connection_rxid_, connections_[current_connection_].control_dcid_, HID_CTRL_PSM);
} else {
DBGPrintf(" No - Clone\n");
}
#if 0
delay(1);
uint8_t packet[2];
memset(packet, 0, sizeof(packet));
packet[0] = 0x43;
packet[1] = 0x02; // Report ID
USBHDBGSerial.printf("SixAxis Command Issued!\r\n");
sendL2CapCommand(packet, sizeof(packet), 0x40);
#endif
}
}
void BluetoothController::handle_hci_incoming_connect() {
// BD BD BD BD BD BD CL CL CL LT
// 0x04 0x0A 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x40 0x05 0x00 0x01
uint32_t class_of_device = rxbuf_[8] + (uint16_t)(rxbuf_[9]<<8) + (uint32_t)(rxbuf_[10]<<16);
DBGPrintf(" Event: Incoming Connect - %x:%x:%x:%x:%x:%x CL:%x LT:%x\n",
rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], class_of_device, rxbuf_[11]);
if (((class_of_device & 0xff00) == 0x2500) || ((class_of_device & 0xff00) == 0x500)) {
DBGPrintf(" Peripheral device\n");
if (class_of_device & 0x80) DBGPrintf(" Mouse\n");
if (class_of_device & 0x40) DBGPrintf(" Keyboard\n");
switch(class_of_device & 0x3c) {
case 4: DBGPrintf(" Joystick\n"); break;
case 8: DBGPrintf(" Gamepad\n"); break;
case 0xc: DBGPrintf(" Remote Control\n"); break;
}
if (count_connections_ < MAX_CONNECTIONS) current_connection_ = count_connections_++;
connections_[current_connection_].device_driver_ = find_driver(class_of_device);
// We need to save away the BDADDR and class link type?
for(uint8_t i=0; i<6; i++) connections_[current_connection_].device_bdaddr_[i] = rxbuf_[i+2];
connections_[current_connection_].device_class_ = class_of_device;
sendHCIRemoteNameRequest();
}
// sendHCIAuthenticationRequested();
// pending_control_ = PC_AUTHENTICATION_REQUESTED;
}
void BluetoothController::handle_hci_pin_code_request() {
// 0x16 0x06 0x79 0x22 0x23 0x0A 0xC5 0xCC
DBGPrintf(" Event: Pin Code Request %x:%x:%x:%x:%x:%x\n",
rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]);
sendHCIPinCodeReply();
pending_control_ = PC_PIN_CODE_REPLY;
}
void BluetoothController::handle_hci_link_key_request() {
// 17 6 79 22 23 a c5 cc
DBGPrintf(" Event: Link Key Request %x:%x:%x:%x:%x:%x\n",
rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7]);
// Now here is where we need to decide to say we have key or tell them to
// cancel key... right now hard code to cancel...
sendHCILinkKeyNegativeReply();
pending_control_ = PC_LINK_KEY_NEGATIVE;
}
void BluetoothController::handle_hci_link_key_notification() {
// 0 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 20 1 2 3 4
// 18 17 79 22 23 a c5 cc 5e 98 d4 5e bb 15 66 da 67 fe 4f 87 2b 61 46 b4 0
DBGPrintf(" Event: Link Key Notificaton %x:%x:%x:%x:%x:%x Type:%x\n key:",
rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], rxbuf_[24]);
for (uint8_t i = 8; i < 24; i++) DBGPrintf("%02x ", rxbuf_[i]);
DBGPrintf("\n");
// Now here is where we need to decide to say we have key or tell them to
// cancel key... right now hard code to cancel...
}
void BluetoothController::handle_hci_disconnect_complete()
{
//5 4 0 48 0 13
DBGPrintf(" Event: HCI Disconnect complete(%d): handle: %x, reason:%x\n", rxbuf_[2],
rxbuf_[3]+(rxbuf_[4]<<8), rxbuf_[5]);
if (connections_[current_connection_].device_driver_) {
connections_[current_connection_].device_driver_->release_bluetooth();
connections_[current_connection_].device_driver_->remote_name_[0] = 0;
connections_[current_connection_].device_driver_ = nullptr;
// Restore to normal...
connections_[current_connection_].control_dcid_ = 0x70;
connections_[current_connection_].interrupt_dcid_ = 0x71;
}
// Probably should clear out connection data.
#if 0
connections_[current_connection_].device_connection_handle_ = 0;
connections_[current_connection_].device_class_ = 0;
memset(connections_[current_connection_].device_bdaddr_, 0, sizeof(connections_[current_connection_].device_bdaddr_));
#endif
// Now we need to remove that item from our list of connections.
count_connections_--;
if (count_connections_ == 0) {
// reset the next connection counts back to initial states.
next_dcid_ = 0x70; // Lets try not hard coding control and interrupt dcid
}
for (uint8_t i = current_connection_; i < count_connections_; i++) connections_[i] = connections_[i+1];
current_connection_ = 0;
}
void BluetoothController::handle_hci_authentication_complete()
{
// 6 3 13 48 0
DBGPrintf(" Event: HCI Authentication complete(%d): handle: %x\n", rxbuf_[2],
rxbuf_[3]+(rxbuf_[4]<<8));
// Start up lcap connection...
connections_[current_connection_].connection_rxid_ = 0;
sendl2cap_ConnectionRequest(connections_[current_connection_].device_connection_handle_, connections_[current_connection_].connection_rxid_, connections_[current_connection_].control_dcid_, HID_CTRL_PSM);
}
void BluetoothController::handle_hci_remote_name_complete() {
// STAT bd bd bd bd bd bd
// 0x07 0xFF 0x00 0x79 0x22 0x23 0x0A 0xC5 0xCC 0x42 0x6C 0x75 0x65 0x74 0x6F 0x6F ...
DBGPrintf(" Event: handle_hci_remote_name_complete(%d)\n", rxbuf_[2]);
if (rxbuf_[2] == 0) {
DBGPrintf(" Remote Name: ");
for (uint8_t *psz = &rxbuf_[9]; *psz; psz++) DBGPrintf("%c", *psz);
DBGPrintf("\n");
}
if (connections_[current_connection_].device_driver_) {
if (!connections_[current_connection_].device_driver_->remoteNameComplete(&rxbuf_[9])) {
connections_[current_connection_].device_driver_->release_bluetooth();
connections_[current_connection_].device_driver_ = nullptr;
}
}
if (!connections_[current_connection_].device_driver_) {
connections_[current_connection_].device_driver_ = find_driver(connections_[current_connection_].device_class_, &rxbuf_[9]);
// not sure I should call remote name again, but they already process...
if (connections_[current_connection_].device_driver_) {
connections_[current_connection_].device_driver_->remoteNameComplete(&rxbuf_[9]);
}
}
if (connections_[current_connection_].device_driver_) {
// lets save away the string.
uint8_t buffer_index;
for (buffer_index = 0; buffer_index < BTHIDInput::REMOTE_NAME_SIZE-1; buffer_index++) {
connections_[current_connection_].device_driver_->remote_name_[buffer_index] = rxbuf_[9+buffer_index];
if (!connections_[current_connection_].device_driver_->remote_name_[buffer_index]) break;
}
connections_[current_connection_].device_driver_->remote_name_[buffer_index] = 0; // make sure null terminated
if (connections_[current_connection_].device_driver_->special_process_required & BTHIDInput::SP_PS3_IDS) {
// Real hack see if PS3...
connections_[current_connection_].control_dcid_ = 0x40;
connections_[current_connection_].interrupt_dcid_ = 0x41;
} else {
connections_[current_connection_].control_dcid_ = next_dcid_++;
connections_[current_connection_].interrupt_dcid_ = next_dcid_++;
}
}
// If we are in the connection complete mode, then this is a pairing state and needed to call
// get remote name later.
if (connections_[current_connection_].connection_complete_) {
if (connections_[current_connection_].device_driver_) { // We have a driver call their
connections_[current_connection_].device_driver_->connectionComplete();