mirror of https://github.com/ShaYmez/xlxd.git
298 lines
9.7 KiB
C++
298 lines
9.7 KiB
C++
//
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// cusb3000interface.cpp
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// ambed
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 21/08/2017.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of ambed.
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//
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// xlxd is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#include "main.h"
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#include "ctimepoint.h"
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#include "cambepacket.h"
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#include "cusb3000interface.h"
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#include "cvocodecs.h"
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////////////////////////////////////////////////////////////////////////////////////////
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// configuration:
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//
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// PKT_CHANNEL0 = HYBRID
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////////////////////////////////////////////////////////////////////////////////////////
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// constructor
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CUsb3000Interface::CUsb3000Interface(uint32 uiVid, uint32 uiPid, const char *szDeviceName, const char *szDeviceSerial)
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: CUsb3xxxInterface(uiVid, uiPid, szDeviceName, szDeviceSerial)
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{
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m_uiChCodec = CODEC_NONE;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// initialization
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bool CUsb3000Interface::Init(uint8 uiOddCodec)
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{
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bool ok = true;
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// init the odd channel
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m_uiChCodec = uiOddCodec;
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// base class
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ok &= CUsb3xxxInterface::Init();
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// do not create our channels now
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// this is delegated to caller (CVocodecs) as our channel
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// may be hybrids between 2 interfaces in case of odd n' of channel device)
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// done
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return ok;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// manage Channels
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uint8 CUsb3000Interface::GetChannelCodec(int iCh) const
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{
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return (iCh == 0) ? m_uiChCodec : CODEC_NONE;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// manage vocodec channels
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CVocodecChannel *CUsb3000Interface::GetChannelWithChannelIn(int iCh)
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{
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CVocodecChannel *Channel = NULL;
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bool done = false;
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for ( int i = 0; (i < m_Channels.size()) && !done; i++ )
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{
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if ( iCh == 0 )
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{
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if ( (m_Channels[i]->GetChannelIn() == iCh) && !(m_Channels[i]->IsInterfaceOut(this)) )
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{
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Channel = m_Channels[i];
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done = true;
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}
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}
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}
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return Channel;
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}
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CVocodecChannel *CUsb3000Interface::GetChannelWithChannelOut(int iCh)
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{
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CVocodecChannel *Channel = NULL;
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bool done = false;
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for ( int i = 0; (i < m_Channels.size()) && !done; i++ )
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{
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if ( (m_Channels[i]->GetChannelOut() == iCh) && (m_Channels[i]->IsInterfaceOut(this)) )
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{
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Channel = m_Channels[i];
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done = true;
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}
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}
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return Channel;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// decoder helper
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bool CUsb3000Interface::IsValidChannelPacket(const CBuffer &buffer, int *ch, CAmbePacket *packet)
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{
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bool valid = false;
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uint8 tag[] = { PKT_HEADER,0x00,0x0B,PKT_CHANNEL };
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if ( (buffer.size() == 15) && (buffer.Compare(tag, sizeof(tag)) == 0))
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{
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*ch = 0;
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packet->SetCodec(m_uiChCodec);
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packet->SetAmbe(&(buffer.data()[6]));
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valid = (*ch < GetNbChannels());
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//std::cout << "CHAN " << *ch << " " << buffer.size() << " " << (int)buffer[6] << std::endl;
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}
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return valid;
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}
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bool CUsb3000Interface::IsValidSpeechPacket(const CBuffer &buffer, int *ch, CVoicePacket *packet)
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{
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bool valid = false;
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if ( (buffer.size() > 6) &&
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(buffer.data()[0] == PKT_HEADER) && (buffer.data()[3] == PKT_SPEECH) &&
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(buffer.data()[4] == PKT_SPEECHD) )
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{
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*ch = 0;
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packet->SetVoice(&(buffer.data()[6]), buffer.data()[5] * 2);
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valid = (*ch < GetNbChannels());
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//std::cout << "SPCH " << *ch << " " << buffer.size() << std::endl;
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}
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return valid;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// encoder helpers
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void CUsb3000Interface::EncodeChannelPacket(CBuffer *buffer, int ch, CAmbePacket *packet)
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{
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uint size = (uint16)packet->GetAmbeSize() + 2;
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buffer->clear();
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buffer->Append((uint8)PKT_HEADER);
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buffer->Append((uint8)HIBYTE(size));
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buffer->Append((uint8)LOBYTE(size));
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buffer->Append((uint8)PKT_CHANNEL);
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buffer->Append((uint8)(PKT_CHAND));
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buffer->Append((uint8)(packet->GetAmbeSize()*8));
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buffer->Append(packet->GetAmbe(), packet->GetAmbeSize());
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}
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void CUsb3000Interface::EncodeSpeechPacket(CBuffer *buffer, int ch, CVoicePacket *packet)
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{
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uint16 size = (uint16)packet->GetVoiceSize() + 2;
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buffer->clear();
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buffer->Append((uint8)PKT_HEADER);
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buffer->Append((uint8)HIBYTE(size));
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buffer->Append((uint8)LOBYTE(size));
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buffer->Append((uint8)PKT_SPEECH);
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buffer->Append((uint8)PKT_SPEECHD);
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buffer->Append((uint8)(packet->GetVoiceSize()/2));
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buffer->Append(packet->GetVoice(), packet->GetVoiceSize());
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}
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////////////////////////////////////////////////////////////////////////////////////////
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// low level
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bool CUsb3000Interface::OpenDevice(void)
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{
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FT_STATUS ftStatus;
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int baudrate = 460800;
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//sets serial VID/PID for a Standard Device NOTE: This is for legacy purposes only. This can be ommitted.
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ftStatus = FT_SetVIDPID(m_uiVid, m_uiPid);
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if (ftStatus != FT_OK) {FTDI_Error((char *)"FT_SetVIDPID", ftStatus ); return false; }
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ftStatus = FT_OpenEx((PVOID)m_szDeviceSerial, FT_OPEN_BY_SERIAL_NUMBER, &m_FtdiHandle);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_OpenEx", ftStatus ); return false; }
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CTimePoint::TaskSleepFor(50);
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FT_Purge(m_FtdiHandle, FT_PURGE_RX | FT_PURGE_TX );
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CTimePoint::TaskSleepFor(50);
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ftStatus = FT_SetDataCharacteristics(m_FtdiHandle, FT_BITS_8, FT_STOP_BITS_1, FT_PARITY_NONE);
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if ( ftStatus != FT_OK ) { FTDI_Error((char *)"FT_SetDataCharacteristics", ftStatus ); return false; }
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ftStatus = FT_SetFlowControl(m_FtdiHandle, FT_FLOW_RTS_CTS, 0x11, 0x13);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetFlowControl", ftStatus ); return false; }
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ftStatus = FT_SetRts (m_FtdiHandle);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetRts", ftStatus ); return false; }
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//for usb-3012 pull DTR high to take AMBE3003 out of reset.
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//for other devices noting is connected to DTR so it is a dont care
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ftStatus = FT_ClrDtr(m_FtdiHandle);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_ClrDtr", ftStatus); return false; }
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ftStatus = FT_SetBaudRate(m_FtdiHandle, baudrate );
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetBaudRate", ftStatus ); return false; }
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ftStatus = FT_SetLatencyTimer(m_FtdiHandle, 4);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetLatencyTimer", ftStatus ); return false; }
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ftStatus = FT_SetUSBParameters(m_FtdiHandle, USB3XXX_MAXPACKETSIZE, 0);
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetUSBParameters", ftStatus ); return false; }
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ftStatus = FT_SetTimeouts(m_FtdiHandle, 200, 200 );
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if (ftStatus != FT_OK) { FTDI_Error((char *)"FT_SetTimeouts", ftStatus ); return false; }
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// done
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return true;
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}
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bool CUsb3000Interface::ResetDevice(void)
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{
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bool ok = false;
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int len;
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char rxpacket[100];
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char zeropacket[10] =
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{
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0,0,0,0,0,0,0,0,0,0
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};
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char txpacket[7] =
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{
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PKT_HEADER,
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0,
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3,
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0,
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PKT_RESET,
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PKT_PARITYBYTE,
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3 ^ PKT_RESET ^ PKT_PARITYBYTE
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};
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//the chip might be in a state where it is waiting to receive bytes from a prior incomplete packet.
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//first send 350 zeros in case, the chip's receive state is still waiting for characters
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//if we send more than needed, the exta characters will just get discarded since they do not match the header byte
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//after that we send PKT_RESET to reset the device
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//As long as the AMBE3000 is able to receive via uart, this method will succeed in resetting it.
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for ( int i = 0; i < 35 ; i++ )
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{
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FTDI_write_packet(m_FtdiHandle, zeropacket, sizeof(zeropacket));
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}
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// write soft-reset packet
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if ( FTDI_write_packet(m_FtdiHandle, txpacket, sizeof(txpacket)) )
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{
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// read reply
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len = FTDI_read_packet( m_FtdiHandle, rxpacket, sizeof(rxpacket) );
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ok = ((len == 5) && (rxpacket[4] == PKT_READY));
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if ( !ok )
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{
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std::cout << "USB-3000 soft reset failed" << std::endl;
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}
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}
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// done
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return ok;
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}
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bool CUsb3000Interface::ConfigureDevice(void)
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{
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bool ok = true;
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uint8 pkt_ratep_ambeplus[] = { 0x01,0x30,0x07,0x63,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x48 };
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uint8 pkt_ratep_ambe2plus[] = { 0x04,0x31,0x07,0x54,0x24,0x00,0x00,0x00,0x00,0x00,0x6F,0x48 };
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// configure the channel for desired codec
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switch ( m_uiChCodec )
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{
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case CODEC_AMBEPLUS:
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ok &= ConfigureChannel(PKT_CHANNEL0, pkt_ratep_ambeplus, 0, 0);
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break;
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case CODEC_AMBE2PLUS:
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ok &= ConfigureChannel(PKT_CHANNEL0, pkt_ratep_ambe2plus, 0, 0);
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break;
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case CODEC_NONE:
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default:
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break;
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}
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// done
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return ok;
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}
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