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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
*/
//=============================================================================
// Bluetooth Main controller code
//=============================================================================
#include <Arduino.h>
#include "USBHost_t36.h" // Read this header first for key info
#include "utility/bt_defines.h"
#include <EEPROM.h>
#define print USBHost::print_
#define println USBHost::println_
//#define DEBUG_BT
//#define DEBUG_BT_VERBOSE
#ifndef DEBUG_BT
#undef DEBUG_BT_VERBOSE
void inline DBGPrintf(...) {};
void inline DBGFlush() {};
#else
#define DBGPrintf USBHDBGSerial.printf
#define DBGFlush USBHDBGSerial.flush
#endif
elapsedMillis em_rx_tx2 = 0;
elapsedMillis em_rx_tx = 0;
#ifndef DEBUG_BT_VERBOSE
void inline VDBGPrintf(...) {};
#else
#define VDBGPrintf USBHDBGSerial.printf
#endif
// Lets use a boolean to determine if we have SSP available_bthid_drivers_list
bool has_key = false;
// 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;
// default forward.
hidclaim_t BTHIDInput::claim_bluetooth(BluetoothConnection *btconnection, uint32_t bluetooth_class, uint8_t *remoteName, int type)
{
return claim_bluetooth(btconnection->btController_, bluetooth_class, remoteName) ? CLAIM_INTERFACE : CLAIM_NO;
}
const uint8_t *BTHIDInput::manufacturer()
{
return nullptr; // so far don't have one
}
const uint8_t *BTHIDInput::product()
{
if (btconnect == nullptr) return nullptr;
return btconnect->remote_name_;
}
const uint8_t *BTHIDInput::serialNumber()
{
return nullptr;
}
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;
}
}
bool BluetoothController::queue_Data_Transfer_Debug(Pipe_t *pipe, void *buffer,
uint32_t len, USBDriver *driver, uint32_t line)
{
if ((pipe == nullptr) || (driver == nullptr) || ((len > 0) && (buffer == nullptr))) {
// something wrong:
USBHDBGSerial.printf("\n !!!!!!!!!!! BluetoothController::queue_Data_Transfer called with bad data line: %u\n", line);
USBHDBGSerial.printf("\t pipe:%p buffer:%p len:%u driver:%p\n", pipe, buffer, len, driver);
return false;
}
return queue_Data_Transfer(pipe, buffer, len, driver);
}
//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));
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("%02x ", 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_ = new_Pipe(dev, 3, rxep & 15, 1, rx_size_, rx_interval);
if (!rxpipe_) return false;
txpipe_ = new_Pipe(dev, 3, txep, 0, tx_size_, tx_interval);
if (!txpipe_) {
//free_Pipe(rxpipe_);
return false;
}
rx2pipe_ = new_Pipe(dev, 2, rx2ep & 15, 1, rx2_size_, rx2_interval);
if (!rx2pipe_) {
// Free other pipes...
return false;
}
rxpipe_->callback_function = rx_callback;
queue_Data_Transfer_Debug(rxpipe_, rxbuf_, rx_size_, this, __LINE__);
rx2pipe_->callback_function = rx2_callback;
queue_Data_Transfer_Debug(rx2pipe_, rx2buf_, rx2_size_, this, __LINE__);
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");
// lets clear out any active connecitons
current_connection_ = BluetoothConnection::s_first_;
while (current_connection_) {
// see if this one is in use
if (current_connection_->btController_ == this) {
if (current_connection_->device_driver_) {
current_connection_->device_driver_->release_bluetooth();
current_connection_->remote_name_[0] = 0;
current_connection_->device_driver_ = nullptr;
}
current_connection_->btController_ = nullptr;
}
current_connection_ = current_connection_->next_;
}
// Maybe leave it pointing to first one just in case.
count_connections_ = 0;
timer_connection_ = nullptr;
current_connection_ = BluetoothConnection::s_first_;
USBHDBGSerial.printf("Bluetooth Disconnect complete"); USBHDBGSerial.flush();
}
void BluetoothController::timer_event(USBDriverTimer *whichTimer)
{
DBGPrintf("BT::Timer_event(%p)->%p\n", whichTimer, whichTimer->pointer);DBGFlush();
if (whichTimer == &timer_) {
if (timer_connection_) timer_connection_->timer_event(whichTimer);
} else if (whichTimer->pointer) {
BluetoothConnection* btc = (BluetoothConnection*)(whichTimer->pointer);
btc->timer_event(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("%02x ", buffer[i]);
DBGPrintf("\n");
#endif
}
bool BluetoothController::setTimer(BluetoothConnection *connection, uint32_t us) // set to NULL ptr will clear:
{
static uint32_t millis_last = 0;
DBGPrintf("BluetoothController::setTimer(%p, %u) TO:%u, dt:%u\n", connection, us,
millis(), millis()-millis_last);
millis_last = millis();
if (connection == nullptr) {
timer_connection_ = nullptr;
timer_.stop();
return true;
} else if ((timer_connection_ == nullptr) || (connection == timer_connection_)) {
timer_connection_ = connection;
timer_.start(us);
return true;
}
return false;
}
/************************************************************/
// Try starting a pairing operation after sketch starts
/************************************************************/
bool BluetoothController::startDevicePairing(const char *pin, bool pair_ssp)
{
// What should we verify before starting this mode?
if (pending_control_ != 0) {
DBGPrintf("Pending control not zero.");
return false;
}
// BUGBUG:: probably should make copy of pin...
pair_pincode_ = pin;
do_pair_ssp_ = pair_ssp;
// Try simple approach first to see if I can simply start it
do_pair_device_ = !do_pair_ssp_;
pending_control_ = PC_SEND_WRITE_INQUIRE_MODE;
queue_next_hci_command();
return true;
}
#ifdef DEBUG_BT
void print_error_codes(uint8_t error_code) {
switch (error_code) {
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;
case 0x10: DBGPrintf(" ( Connection Accept Timeout Exceeded)\n"); break;
case 0x11: DBGPrintf(" ( Unsupported Feature or Parameter Value)\n"); break;
case 0x12: DBGPrintf(" ( Invalid HCI Command Parameters)\n"); break;
case 0x13: DBGPrintf(" ( Remote User Terminated Connection)\n"); break;
case 0x14: DBGPrintf(" ( Remote Device Terminated Connection due to Low Resources)\n"); break;
case 0x15: DBGPrintf(" ( Remote Device Terminated Connection due to Power Off)\n"); break;
case 0x16: DBGPrintf(" ( Connection Terminated By Local Host)\n"); break;
case 0x17: DBGPrintf(" ( Repeated Attempts)\n"); break;
case 0x18: DBGPrintf(" ( Pairing Not Allowed)\n"); break;
case 0x19: DBGPrintf(" ( Unknown LMP PDU)\n"); break;
case 0x1A: DBGPrintf(" ( Unsupported Remote Feature)\n"); break;
case 0x1B: DBGPrintf(" ( SCO Offset Rejected)\n"); break;
case 0x1C: DBGPrintf(" ( SCO Interval Rejected)\n"); break;
case 0x1D: DBGPrintf(" ( SCO Air Mode Rejected)\n"); break;
case 0x1E: DBGPrintf(" ( Invalid LMP Parameters / Invalid LL Parameters)\n"); break;
case 0x1F: DBGPrintf(" ( Unspecified Error)\n"); break;
case 0x20: DBGPrintf(" ( Unsupported LMP Parameter Value / Unsupported LL Parameter Value)\n"); break;
case 0x21: DBGPrintf(" ( Role Change Not Allowed)\n"); break;
case 0x22: DBGPrintf(" ( LMP Response Timeout / LL Response Timeout)\n"); break;
case 0x23: DBGPrintf(" ( LMP Error Transaction Collision / LL Procedure Collision)\n"); break;
case 0x24: DBGPrintf(" ( LMP PDU Not Allowed)\n"); break;
case 0x25: DBGPrintf(" ( Encryption Mode Not Acceptable)\n"); break;
case 0x26: DBGPrintf(" ( Link Key cannot be Changed)\n"); break;
case 0x27: DBGPrintf(" ( Requested QoS Not Supported)\n"); break;
case 0x28: DBGPrintf(" ( Instant Passed)\n"); break;
case 0x29: DBGPrintf(" ( Pairing With Unit Key Not Supported)\n"); break;
case 0x2A: DBGPrintf(" ( Different Transaction Collision)\n"); break;
case 0x2B: DBGPrintf(" ( Reserved for future use)\n"); break;
case 0x2C: DBGPrintf(" ( QoS Unacceptable Parameter)\n"); break;
case 0x2D: DBGPrintf(" ( QoS Rejected)\n"); break;
case 0x2E: DBGPrintf(" ( Channel Classification Not Supported)\n"); break;
case 0x2F: DBGPrintf(" ( Insufficient Security)\n"); break;
case 0x30: DBGPrintf(" ( Parameter Out Of Mandatory Range)\n"); break;
case 0x31: DBGPrintf(" ( Reserved for future use)\n"); break;
case 0x32: DBGPrintf(" ( Role Switch Pending)\n"); break;
case 0x33: DBGPrintf(" ( Reserved for future use)\n"); break;
case 0x34: DBGPrintf(" ( Reserved Slot Violation)\n"); break;
case 0x35: DBGPrintf(" ( Role Switch Failed)\n"); break;
case 0x36: DBGPrintf(" ( Extended Inquiry Response Too Large)\n"); break;
case 0x37: DBGPrintf(" ( Secure Simple Pairing Not Supported By Host)\n"); break;
case 0x38: DBGPrintf(" ( Host Busy - Pairing)\n"); break;
case 0x39: DBGPrintf(" ( Connection Rejected due to No Suitable Channel Found)\n"); break;
case 0x3A: DBGPrintf(" ( Controller Busy)\n"); break;
case 0x3B: DBGPrintf(" ( Unacceptable Connection Parameters)\n"); break;
case 0x3C: DBGPrintf(" ( Advertising Timeout)\n"); break;
case 0x3D: DBGPrintf(" ( Connection Terminated due to MIC Failure)\n"); break;
case 0x3E: DBGPrintf(" ( Connection Failed to be Established / Synchronization Timeout)\n"); break;
case 0x3F: DBGPrintf(" ( Previously used)\n"); break;
case 0x40: DBGPrintf(" ( Coarse Clock Adjustment Rejected but Will Try to Adjust Using Clock Dragging)\n"); break;
case 0x41: DBGPrintf(" ( Type0 Submap Not Defined)\n"); break;
case 0x42: DBGPrintf(" ( Unknown Advertising Identifier)\n"); break;
case 0x43: DBGPrintf(" ( Limit Reached)\n"); break;
case 0x44: DBGPrintf(" ( Operation Cancelled by Host)\n"); break;
case 0x45: DBGPrintf(" ( Packet Too Long)\n"); break;
default: 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)
{
uint32_t len = transfer->length - ((transfer->qtd.token >> 16) & 0x7FFF);
print_hexbytes((uint8_t*)transfer->buffer, len);
// DBGPrintf("<<(00 : %d): ", len);
// DBGPrintf("<<(02 %u %p %u):", (uint32_t)em_rx_tx2, transfer->driver, len);
// em_rx_tx2 = 0;
// uint8_t *buffer = (uint8_t*)transfer->buffer;
// for (uint8_t i = 0; i < len; i++) DBGPrintf("%02X ", buffer[i]);
// DBGPrintf("\n");
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);
print_hexbytes((uint8_t*)transfer->buffer, len);
// DBGPrintf("<<(00 : %d): ", len);
DBGPrintf(rx_packet_data_remaining_? "<<C(01, %u):":"<<(01, %u):", (uint32_t)em_rx_tx);
em_rx_tx = 0;
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
if (len == 0) {
DBGPrintf("<< Empty Packet >>\n");
// probably could combine with below.
queue_Data_Transfer_Debug(rxpipe_, rxbuf_, rx_size_, this, __LINE__);
return;
}
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;
//use simple pairing
case EV_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE: //0x0B
USBHDBGSerial.printf(" Remote read features complete: status:%x ", rxbuf_[2]);
#if defined(DEBUG_BT_VERBOSE)
print_error_codes(rxbuf_[2]);
#endif
USBHDBGSerial.printf(" Requested to use SSP Pairing: %d\n", do_pair_ssp_);
if ( (rxbuf_[11]) & (0x01 << 3)) {
if (current_connection_) {
current_connection_->supports_SSP_ = true;
USBHDBGSerial.printf("%d\n", current_connection_->supports_SSP_);
}
//sendHCIRemoteNameRequest();
} else {
USBHDBGSerial.printf("No Support for SPP\n");
//USBHDBGSerial.printf("Try just say yes\n");
//current_connection_->supports_SSP_ = true;
}
#if 1
// Try bypass role discovery did not help much anyway
// Note We may need to check for PS4 or the like and
// start connection. Let me try by setting timer like
// Set a timeout
setTimer(current_connection_, BluetoothConnection::CONNECTION_TIMEOUT_US);
#else
sendHCIRoleDiscoveryRequest();
#endif
break;
case EV_READ_REMOTE_EXTENDED_FEATURES_COMPLETE: //0x23
USBHDBGSerial.printf(" Extended features read complete: status:%x ", rxbuf_[2]);
#if defined(DEBUG_BT_VERBOSE)
print_error_codes(rxbuf_[2]);
#endif
USBHDBGSerial.printf(" Requested to use SSP Pairing: %d\n", do_pair_ssp_);
if ( ((rxbuf_[7] >> 0) & 0x01) == 1) {
if (current_connection_) {
current_connection_->supports_SSP_ = true;
USBHDBGSerial.printf("%d\n", current_connection_->supports_SSP_);
}
//sendHCIRemoteNameRequest();
} else {
USBHDBGSerial.printf("No Support for SPP\n");
}
sendHCIRoleDiscoveryRequest();
break;
case EV_ENCRYPTION_CHANGE:// < UseSimplePairing
if(has_key == true ) {
USBHDBGSerial.printf(" Change to Link Encryption: ");
sendHCISetConnectionEncryption(); // use simple pairing hangs the link
has_key = false;
}
//handle_hci_encryption_change_complete();
break;
case EV_RETURN_LINK_KEYS:
handle_hci_return_link_keys();
break;
case EV_SIMPLE_PAIRING_COMPLETE:
if(!rxbuf_[2]) { // Check if pairing was Complete
USBHDBGSerial.printf("\r\nSimple Pairing Complete\n");
} else {
USBHDBGSerial.printf("\r\nPairing Failed: \n");
}
break;
case EV_MAX_SLOTS_CHANGE:
USBHDBGSerial.printf("Received Max Slot change Msg\n");
break;
case EV_USER_CONFIRMATION_REQUEST:
handle_hci_user_confirmation_request_reply();
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:
#if 0
handle_hci_extended_inquiry_result();
#else
DBGPrintf("$$$ EV_EXTENDED_INQUIRY_RESULT Disabled\n");
#endif
break;
case EV_IO_CAPABILITY_RESPONSE:
handle_HCI_IO_CAPABILITY_REQUEST_REPLY();
break;
case EV_IO_CAPABILITY_REQUEST:
handle_hci_io_capability_request();
break;
case EV_ROLE_CHANGED:
// 12 08 00 16 AC B3 26 3F C8 00
VDBGPrintf(" EV_ROLE_CHANGED: st:%u bdaddr: %02x:%02x:%02x:%02x:%02x:%02x role:%u(%s)\n",
rxbuf_[2], rxbuf_[3], rxbuf_[4], rxbuf_[5], rxbuf_[6], rxbuf_[7], rxbuf_[8],
rxbuf_[9], rxbuf_[9]? "Peripheral" : "Central" );
break;
case EV_NUM_COMPLETE_PKT: //13 05 01 47 00 01 00
VDBGPrintf(" NUM_COMPLETE_PKT: ch:%u fh:%04x comp:%u\n",
rxbuf_[2], rxbuf_[3] + (rxbuf_[4] << 8), rxbuf_[rxbuf_[1]] + (rxbuf_[rxbuf_[1] + 1] << 8) );
break;
case EV_LE_META_EVENT:
handle_ev_meta_event(); // 0x3e
break;
default:
break;
}
// Start read at start of buffer.
queue_Data_Transfer_Debug(rxpipe_, rxbuf_, rx_size_, this, __LINE__);
} else {
// Continue the read - Todo - maybe verify len == rx_size_
queue_Data_Transfer_Debug(rxpipe_, buffer + rx_size_, rx_size_, this, __LINE__);
return; // Don't process the message yet as we still have data to receive.
}
}
#ifdef DEBUG_BT_VERBOSE
void print_supported_commands(uint8_t *cmd_data) {
typedef struct {
uint8_t octet;
uint8_t bit;
const char *name;
} pss_data_t;
static const pss_data_t pssd[] = {
{ 0, 0, /*0x0401*/ "HCI_INQUIRY"},
{ 0, 1, /*0x0402*/ "HCI_INQUIRY_CANCEL"},
{ 0, 4, /*0x0405*/ "HCI_CREATE_CONNECTION"},
{ 1, 0, /*0x0409*/ "HCI_OP_ACCEPT_CONN_REQ"},
{ 1, 1, /*0x040A*/ "HCI_OP_REJECT_CONN_REQ"},
{ 1, 2, /*0x040B*/ "HCI_LINK_KEY_REQUEST_REPLY"},
{ 1, 3, /*0x040C*/ "HCI_LINK_KEY_NEG_REPLY"},
{ 1, 4, /*0x040D*/ "HCI_PIN_CODE_REPLY"},
{ 1, 7, /*0x0411*/ "HCI_AUTH_REQUESTED"},
{ 2, 0, /*0x0413*/ "HCI_SET_CONN_ENCRYPTION"},
{ 2, 3, /*0x0419*/ "HCI_OP_REMOTE_NAME_REQ"},
{ 2, 4, /*0x041a*/ "HCI_OP_REMOTE_NAME_REQ_CANCEL"},
{ 2, 5, /*0x041b*/ "HCI_OP_READ_REMOTE_FEATURES"},
{ 2, 6, /*0x041c*/ "HCI_OP_READ_REMOTE_EXTENDED_FEATURE"},
{ 2, 7, /*0x041D*/ "HCI_OP_READ_REMOTE_VERSION_INFORMATION"},
{ 18, 7, /*0x042B*/ "HCI_IO_CAPABILITY_REQUEST_REPLY"},
{ 19, 0, /*0x042C*/ "HCI_USER_CONFIRMATION_REQUEST"},
{ 4, 7, /*0x0809*/ "HCI_OP_ROLE_DISCOVERY"},
{ 5, 4, /*0x080f*/ "HCI_Write_Default_Link_Policy_Settings"},
{ 5, 6, /*0x0c01*/ "HCI_Set_Event_Mask"},
{ 5, 7, /*0x0c03*/ "HCI_RESET"},
{ 6, 0, /*0x0c05*/ "HCI_SET_EVENT_FILTER"},
{ 6, 5, /*0x0c0d*/ "HCI_READ_STORED_LINK_KEY"},
{ 6, 7, /*0x0c12*/ "HCI_DELETE_STORED_LINK_KEY"},
{ 7, 0, /*0x0c13*/ "HCI_WRITE_LOCAL_NAME"},
{ 7, 1, /*0x0c14*/ "HCI_Read_Local_Name"},
{ 7, 3, /*0x0c16*/ "HCI_Write_Connection_Accept_Timeout"},
{ 7, 6, /*0x0c1a*/ "HCI_WRITE_SCAN_ENABLE"},
{ 8, 0, /*0x0c1b*/ "HCI_Read_Page_Scan_Activity"},
{ 9, 0, /*0x0c23*/ "HCI_READ_CLASS_OF_DEVICE"},
{ 9, 1, /*0x0C24*/ "HCI_WRITE_CLASS_OF_DEV"},
{ 9, 2, /*0x0c25*/ "HCI_Read_Voice_Setting"},
{ 11, 2, /*0x0c38*/ "HCI_Read_Number_Of_Supported_IAC"},
{ 11, 3, /*0x0c39*/ "HCI_Read_Current_IAC_LAP"},
{ 12, 6, /*0x0c45*/ "HCI_WRITE_INQUIRY_MODE"},
{ 13, 1, /*0x0c46*/ "HCI_Read_Page_Scan_Type"},
{ 17, 1, /*0x0c52*/ "HCI_WRITE_EXTENDED_INQUIRY_RESPONSE"},
{ 17, 5, /*0x0c55*/ "HCI_READ_SIMPLE_PAIRING_MODE"},
{ 17, 6, /*0x0c56*/ "HCI_WRITE_SIMPLE_PAIRING_MODE"},
{ 18, 0, /*0x0c58*/ "HCI_Read_Inquiry_Response_Transmit_Power_Level"},
{ 24, 5, /*???? */ "HCI_READ_LE_HOST_SUPPORTED"},
{ 24, 6, /*0x0c6d*/ "HCI_WRITE_LE_HOST_SUPPORTED"},
#if 0
{ 0, 0, /*0x1001*/ "HCI_Read_Local_Version_Information"},
{ 0, 0, /*0x1002*/ "HCI_Read_Local_Supported_Commands"},
{ 25, 2, /*0x1003*/ "HCI_Read_Local_Supported_Features"},
{ 0, 0, /*0x1004*/ "HCI_Read_Local_Extended_Features"},
{ 25, 1, /*0x1005*/ "HCI_Read_Buffer_Size"},
{ 0, 0, /*0x1009*/ "HCI_Read_BD_ADDR"},
{ 0, 0, /*0x1408*/ "HCI_READ_ENCRYPTION_KEY_SIZE"},
{ 0, 0, /*0x2001*/ "HCI_LE_SET_EVENT_MASK"},
{ 0, 0, /*0x2002*/ "HCI_LE_Read_Buffer_Size"},
{ 0, 0, /*0x2003*/ "HCI_LE_Read_Local_supported_Features"},
{ 0, 0, /*0x2007*/ "HCI_LE_READ_ADV_TX_POWER"},
{ 0, 0, /*0x2008*/ "HCI_LE_SET_ADV_DATA"},
{ 0, 0, /*0x2009*/ "HCI_LE_SET_SCAN_RSP_DATA"},
{ 0, 0, /*0x200f*/ "HCI_LE_READ_WHITE_LIST_SIZE"},
{ 0, 0, /*0x2010*/ "HCI_LE_CLEAR_WHITE_LIST"},
{ 0, 0, /*0x201c*/ "HCI_LE_Supported_States"},
#endif
};
USBHDBGSerial.printf("\n### Local Supported Commands ###\n");
for (uint16_t i = 0; i < (sizeof(pssd) / sizeof(pssd[0])); i++) {
uint8_t mask = 1 << pssd[i].bit;
USBHDBGSerial.printf("\t%s - ", pssd[i].name);
if (cmd_data[pssd[i].octet] & mask) USBHDBGSerial.printf("yes\n");
else USBHDBGSerial.printf("** NO ***\n");
}
}
#endif
#ifdef DEBUG_BT_VERBOSE
void print_supported_features(uint8_t *cmd_data) {
typedef struct {
uint8_t octet;
uint8_t bit;
const char *name;
} pss_data_t;
static const pss_data_t pssd[] = {
{0, 0, "3 slot packets"},
{0, 1, "5 slot packets"},
{0, 2, "Encryption"},
{0, 3, "Slot offset"},
{0, 4, "Timing accuracy"},
{0, 5, "Role switch"},
{0, 6, "Hold mode"},
{0, 7, "Sniff mode"},
{1, 0, "Reserved"},
{1, 1, "Power control requests"},
{1, 2, "Channel quality driven data rate (CQDDR)"},
{1, 3, "SCO link"},
{1, 4, "HV2 packets"},
{1, 5, "HV3 packets"},
{1, 6, "μ-law log synchronous data"},
{1, 7, "A-law log synchronous data"},
{2, 0, "CVSD synchronous data"},
{2, 1, "Paging parameter negotiation"},
{2, 2, "Power control"},
{2, 3, "Transparent synchronous data"},
{2, 4, "Flow control lag (least significant bit)"},
{2, 5, "Flow control lag (middle bit)"},
{2, 6, "Flow control lag (most significant bit)"},
{2, 7, "Broadcast Encryption"},
{3, 1, "Enhanced Data Rate ACL 2 Mb/s mode"},
{3, 2, "Enhanced Data Rate ACL 3 Mb/s mode"},
{3, 3, "Enhanced inquiry scan"},
{3, 4, "Interlaced inquiry scan"},
{3, 5, "Interlaced page scan"},
{3, 6, "RSSI with inquiry results"},
{3, 7, "Extended SCO link (EV3 packets)"},
{4, 0, "EV4 packets"},
{4, 1, "EV5 packets"},
{4, 3, "AFH capable slave"},
{4, 4, "AFH classification slave"},
{4, 5, "BR/EDR Not Supported"},
{4, 6, "LE Supported (Controller)"},
{4, 7, "3-slot Enhanced Data Rate ACL packets"},
{5, 0, "5-slot Enhanced Data Rate ACL packets"},
{5, 1, "Sniff subrating"},
{5, 2, "Pause encryption"},
{5, 3, "AFH capable master"},
{5, 4, "AFH classification master"},
{5, 5, "Enhanced Data Rate eSCO 2 Mb/s mode"},
{5, 6, "Enhanced Data Rate eSCO 3 Mb/s mode"},
{5, 7, "3-slot Enhanced Data Rate eSCO packets"},
{6, 0, "Extended Inquiry Response"},
{6, 1, "Simultaneous LE and BR/EDR to Same Device Capable(Controller)"},
{6, 3, "Secure Simple Pairing"},
{6, 4, "Encapsulated PDU"},
{6, 5, "Erroneous Data Reporting"},
{6, 6, "Non-flushable Packet Boundary Flag"},
{7, 0, "Link Supervision Timeout Changed Event"},
{7, 1, "Inquiry TX Power Level"},
{7, 2, "Enhanced Power Control"},
{7, 7, "Extended features"}
};
USBHDBGSerial.printf("\n### Local Supported Features ###\n");
for (uint16_t i = 0; i < (sizeof(pssd) / sizeof(pssd[0])); i++) {
uint8_t mask = 1 << pssd[i].bit;
USBHDBGSerial.printf("\t%s - ", pssd[i].name);
if (cmd_data[pssd[i].octet] & mask) USBHDBGSerial.printf("yes\n");
else USBHDBGSerial.printf("** NO ***\n");
}
}
#endif
//===================================================================
// 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;
#ifdef DEBUG_BT_VERBOSE
if (!rxbuf_[5]) {
VDBGPrintf(" Command Completed! \n");
} else {
VDBGPrintf(" Command(%x) Completed - Error: 0x%x!", hci_command, rxbuf_[5], rxbuf_[5]);
// BUGBUG:: probably need to queue something?
print_error_codes(rxbuf_[5]);
}
#endif
switch (hci_command) {
case HCI_OP_REMOTE_NAME_REQ:
break;
case HCI_RESET: //0x0c03
if (!rxbuf_[5]) pending_control_++;
// If it fails, will retry. maybe should have repeat max...
break;
case HCI_SET_EVENT_FILTER: //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_Commands: //0x1002
DBGPrintf(" HCI_Read_Local_Supported_Commands\n");
#ifdef DEBUG_BT_VERBOSE
print_supported_commands(&rxbuf_[6]);
#endif
break;
case HCI_Read_Local_Supported_Features: //0x1003
DBGPrintf(" HCI_Read_Local_Supported_Features\n");
#ifdef DEBUG_BT_VERBOSE
print_supported_features(&rxbuf_[6]);
#endif
// 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);
if( do_pair_ssp_ ) {
pending_control_ = PC_SEND_WRITE_INQUIRE_MODE;
} else {
pending_control_ = (do_pair_device_) ? PC_SEND_WRITE_INQUIRE_MODE : PC_WRITE_SCAN_PAGE;
}
break;
case HCI_LE_Read_Buffer_Size: //0x2002
{
DBGPrintf("LE Buffer Size: Size:%u, cnt:%u\n",
rxbuf_[6] + (rxbuf_[7] << 8), rxbuf_[8]);
}
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
DBGPrintf(" HCI_READ_STORED_LINK_KEY keys total:%u read:%u\n",
rxbuf_[6] + (rxbuf_[7] << 8), rxbuf_[8]);
break;
case HCI_WRITE_STORED_LINK_KEY: //0xc011
DBGPrintf(" HCI_WRITE_STORED_LINK_KEY keys written:%u\n", rxbuf_[6]);
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
current_connection_->handle_HCI_WRITE_SCAN_ENABLE_complete(rxbuf_);
break;
case HCI_READ_SIMPLE_PAIRING_MODE: //0x0c55
break;
case HCI_WRITE_SIMPLE_PAIRING_MODE: //0x0c56
//sendHCIReadSimplePairingMode();
break;
case HCI_WRITE_EXTENDED_INQUIRY_RESPONSE: //0x0c52
break;
case HCI_WRITE_LE_HOST_SUPPORTED: //0x0c6d
break;
case HCI_LE_SET_SCAN_RSP_DATA: //0x2009
break;
case HCI_LINK_KEY_NEG_REPLY:
//if (current_connection_->device_class_ == 0x2508) {
// DBGPrintf("Hack see if we can catch the Terios here");
// pending_control_ = PC_CONNECT_AFTER_SDP_DISCONNECT;
//}
break;
case HCI_OP_ROLE_DISCOVERY: // 0x0809
current_connection_->handle_HCI_OP_ROLE_DISCOVERY_complete(rxbuf_);
break;
case HCI_INQUIRY_CANCEL: // 0x0402
// Question should I setup up PC for this or do inline
sendHCIRemoteNameRequest();
break;
case HCI_OP_READ_REMOTE_FEATURES:
break; //0x041b
case HCI_OP_READ_REMOTE_EXTENDED_FEATURE:
break; //0x041c
case HCI_SET_CONN_ENCRYPTION:
break;
case HCI_READ_ENCRYPTION_KEY_SIZE:
break;
case HCI_LINK_KEY_REQUEST_REPLY:
DBGPrintf("\tHCI_LINK_KEY_REQUEST_REPLY\n");
break;
case HCI_USER_CONFIRMATION_REQUEST: //0x042C
DBGPrintf("User Confirmation Request Reply\n");
break;
case HCI_IO_CAPABILITY_REQUEST_REPLY: //0x042B
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_READ_LOCAL_SUPPORTED_COMMANDS:
sendHCIReadLocalSupportedCommands();
pending_control_++;
break;
case PC_READ_LOCAL_SUPPORTED_FEATURES:
sendHCIReadLocalSupportedFeatures();
pending_control_++;
break;
case PC_SEND_SET_EVENT_MASK:
sendHCISetEventMask(); // Set the event mask to include extend inquire event
pending_control_++;
break;
// ----------------------
// Added some LE setup as experiment
case PC_SET_LE_EVENT_MASK:
{
DBGPrintf("HCI_LE_SET_EVENT_MASK\n");