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/*
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Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "netCfg.h"
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#if NET_UMTS
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#include "UMTSStick.h"
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#define __DEBUG
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#include "dbg/dbg.h"
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UMTSStick::UMTSStick() : m_host(), m_pDev(NULL)
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{
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}
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UMTSStick::~UMTSStick()
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{
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}
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UMTSStickErr UMTSStick::getSerial(UsbSerial** ppUsbSerial)
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{
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m_host.init();
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UMTSStickErr rc;
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rc = waitForDevice();
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if(rc)
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return rc;
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//Device is now enumerated, read table
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uint16_t vid = m_pDev->getVid();
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uint16_t pid = m_pDev->getPid();
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DBG("Configuration set: vid:%04x pid:%04x\n", vid, pid);
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bool handled = false;
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bool cdfs = false;
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const UMTSSwitchingInfo* pInfo;
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for(int i = 0; i < UMTS_SWITCHING_COUNT; i++)
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{
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pInfo = &UMTSwitchingTable[i];
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if( !checkDeviceState(pInfo, &cdfs) )
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{
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handled = true;
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break;
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}
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} //for(int i = 0; i < UMTS_SWITCHING_COUNT; i++)
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if(!handled)
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{
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DBG("Don't know this device!\n");
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return UMTSERR_NOTIMPLEMENTED;
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}
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//Check if the device is in CDFS mode, in this case switch
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if(cdfs)
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{
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DBG("Switching the device by sending a magic packet\n");
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rc = switchMode(pInfo);
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if(rc)
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return rc;
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DBG("Now wait for device to reconnect\n");
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m_host.releaseDevice(m_pDev);
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//Wait for device to reconnect
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wait(3);
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rc = waitForDevice();
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if(rc)
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return rc;
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}
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rc = findSerial(ppUsbSerial);
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if(rc)
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return rc;
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return UMTSERR_OK;
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}
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UMTSStickErr UMTSStick::waitForDevice()
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{
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bool ready = false;
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while(!ready)
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{
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while(!m_host.devicesCount())
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{}
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wait(1);
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if(m_host.devicesCount())
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ready = true;
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}
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wait(2); //Wait for device to be initialized
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if(!m_host.devicesCount())
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return UMTSERR_DISCONNECTED;
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m_pDev = m_host.getDevice(0);
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while(!m_pDev->enumerated())
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{
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m_host.poll();
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if(!m_host.devicesCount())
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return UMTSERR_DISCONNECTED;
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}
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return UMTSERR_OK;
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}
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UMTSStickErr UMTSStick::checkDeviceState(const UMTSSwitchingInfo* pInfo, bool* pCdfs)
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{
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uint16_t vid = m_pDev->getVid();
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uint16_t pid = m_pDev->getPid();
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bool handled = false;
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if( (vid == pInfo->cdfsVid) && (pid == pInfo->cdfsPid) )
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{
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DBG("Match on dongles list\n");
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if( !pInfo->targetClass ) //No specific interface to check, vid/pid couple is specific to CDFS mode
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{
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DBG("Found device in CDFS mode\n");
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handled = true;
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148
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*pCdfs = true;
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149
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}
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else //if( !pInfo->targetClass )
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151
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{
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152
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//Has to check if there is an interface of class targetClass
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153
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byte* desc = NULL;
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154
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int c = 0;
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155
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156
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while( !m_pDev->getInterfaceDescriptor(1, c++, &desc) )
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157
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{
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158
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if( desc[5] == pInfo->targetClass )
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| mbed714 |
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159
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{
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160
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DBG("Found device in Serial mode\n");
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161
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handled = true;
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| mbed714 |
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162
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*pCdfs = false;
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| mbed714 |
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|
163
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break;
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| mbed714 |
0:d616ece2d859
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164
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}
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| mbed714 |
0:d616ece2d859
|
165
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}
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| mbed714 |
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|
166
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|
| mbed714 |
0:d616ece2d859
|
167
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if(!handled)
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| mbed714 |
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|
168
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{
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| mbed714 |
0:d616ece2d859
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169
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//All interfaces were tried, so we are in CDFS mode
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| mbed714 |
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170
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DBG("Found device in CDFS mode\n");
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| mbed714 |
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171
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handled = true;
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| mbed714 |
0:d616ece2d859
|
172
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*pCdfs = true;
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| mbed714 |
0:d616ece2d859
|
173
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}
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| mbed714 |
0:d616ece2d859
|
174
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} //if( !pInfo->targetClass )
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| mbed714 |
0:d616ece2d859
|
175
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} //if( (vid == pInfo->cdfsVid) && (pid == pInfo->cdfsPid) )
|
| mbed714 |
0:d616ece2d859
|
176
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else
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| mbed714 |
0:d616ece2d859
|
177
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{
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| mbed714 |
0:d616ece2d859
|
178
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//Try every vid/pid couple of the serial list
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| mbed714 |
0:d616ece2d859
|
179
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for( int i = 0; i < 16 ; i++)
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| mbed714 |
0:d616ece2d859
|
180
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{
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| mbed714 |
0:d616ece2d859
|
181
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if(!pInfo->serialPidList[i])
|
| mbed714 |
0:d616ece2d859
|
182
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break;
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| mbed714 |
0:d616ece2d859
|
183
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if( (pInfo->serialVid == vid) && (pInfo->serialPidList[i] == pid) )
|
| mbed714 |
0:d616ece2d859
|
184
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{
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| mbed714 |
0:d616ece2d859
|
185
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DBG("Found device in Serial mode\n");
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| mbed714 |
0:d616ece2d859
|
186
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handled = true;
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| mbed714 |
0:d616ece2d859
|
187
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*pCdfs = false;
|
| mbed714 |
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|
188
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break;
|
| mbed714 |
0:d616ece2d859
|
189
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}
|
| mbed714 |
0:d616ece2d859
|
190
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}
|
| mbed714 |
0:d616ece2d859
|
191
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} //if( (vid == pInfo->cdfsVid) && (pid == pInfo->cdfsPid) )
|
| mbed714 |
0:d616ece2d859
|
192
|
|
| mbed714 |
0:d616ece2d859
|
193
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if(!handled)
|
| mbed714 |
0:d616ece2d859
|
194
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return UMTSERR_NOTFOUND;
|
| mbed714 |
0:d616ece2d859
|
195
|
|
| mbed714 |
0:d616ece2d859
|
196
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return UMTSERR_OK;
|
| mbed714 |
0:d616ece2d859
|
197
|
}
|
| mbed714 |
0:d616ece2d859
|
198
|
|
| mbed714 |
0:d616ece2d859
|
199
|
UMTSStickErr UMTSStick::switchMode(const UMTSSwitchingInfo* pInfo)
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| mbed714 |
0:d616ece2d859
|
200
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{
|
| mbed714 |
0:d616ece2d859
|
201
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if(!pInfo->huaweiPacket) //Send SCSI packet on first bulk ep
|
| mbed714 |
0:d616ece2d859
|
202
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{
|
| mbed714 |
0:d616ece2d859
|
203
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//Find first bulk ep
|
| mbed714 |
0:d616ece2d859
|
204
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byte* desc = NULL;
|
| mbed714 |
0:d616ece2d859
|
205
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int c = 0;
|
| mbed714 |
0:d616ece2d859
|
206
|
|
| mbed714 |
0:d616ece2d859
|
207
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UsbEndpoint *pEpOut = NULL;
|
| mbed714 |
0:d616ece2d859
|
208
|
|
| mbed714 |
0:d616ece2d859
|
209
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while( !m_pDev->getInterfaceDescriptor(1, c++, &desc) )
|
| mbed714 |
0:d616ece2d859
|
210
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{
|
| mbed714 |
0:d616ece2d859
|
211
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byte* p = desc;
|
| mbed714 |
0:d616ece2d859
|
212
|
int epNum = 0;
|
| mbed714 |
0:d616ece2d859
|
213
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p = p + p[0]; //Move to next descriptor (which should be an ep descriptor)
|
| mbed714 |
0:d616ece2d859
|
214
|
while (epNum < desc[4]) //Eps count in this if
|
| mbed714 |
0:d616ece2d859
|
215
|
{
|
| mbed714 |
0:d616ece2d859
|
216
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if (p[1] != USB_DESCRIPTOR_TYPE_ENDPOINT)
|
| mbed714 |
0:d616ece2d859
|
217
|
break;
|
| mbed714 |
0:d616ece2d859
|
218
|
|
| mbed714 |
0:d616ece2d859
|
219
|
if( (p[3] == 0x02) && !(p[2] & 0x80) ) //Bulk endpoint, out
|
| mbed714 |
0:d616ece2d859
|
220
|
{
|
| mbed714 |
0:d616ece2d859
|
221
|
DBG("Found bulk ep %02x\n", p[2]);
|
| mbed714 |
0:d616ece2d859
|
222
|
pEpOut = new UsbEndpoint( m_pDev, p[2], false, USB_BULK, *((uint16_t*)&p[4]) );
|
| mbed714 |
0:d616ece2d859
|
223
|
break;
|
| mbed714 |
0:d616ece2d859
|
224
|
}
|
| mbed714 |
0:d616ece2d859
|
225
|
|
| mbed714 |
0:d616ece2d859
|
226
|
p = p + p[0]; //Move to next ep desc
|
| mbed714 |
0:d616ece2d859
|
227
|
epNum++;
|
| mbed714 |
0:d616ece2d859
|
228
|
}
|
| mbed714 |
0:d616ece2d859
|
229
|
if(pEpOut)
|
| mbed714 |
0:d616ece2d859
|
230
|
break;
|
| mbed714 |
0:d616ece2d859
|
231
|
}
|
| mbed714 |
0:d616ece2d859
|
232
|
|
| mbed714 |
0:d616ece2d859
|
233
|
if(!pEpOut)
|
| mbed714 |
0:d616ece2d859
|
234
|
return UMTSERR_NOTFOUND;
|
| mbed714 |
0:d616ece2d859
|
235
|
|
| mbed714 |
0:d616ece2d859
|
236
|
//Send SCSI packet
|
| mbed714 |
0:d616ece2d859
|
237
|
|
| mbed714 |
0:d616ece2d859
|
238
|
DBG("Sending SCSI Packet to switch\n");
|
| mbed714 |
0:d616ece2d859
|
239
|
byte ramCdfsBuf[31];
|
| mbed714 |
0:d616ece2d859
|
240
|
memcpy(ramCdfsBuf, pInfo->cdfsPacket, 31);
|
| mbed714 |
0:d616ece2d859
|
241
|
pEpOut->transfer((volatile byte*)ramCdfsBuf, 31);
|
| mbed714 |
0:d616ece2d859
|
242
|
while(pEpOut->status() == USBERR_PROCESSING);
|
| mbed714 |
0:d616ece2d859
|
243
|
int ret = pEpOut->status();
|
| mbed714 |
0:d616ece2d859
|
244
|
if((ret < 0) && (ret !=USBERR_DISCONNECTED)) //Packet was not transfered
|
| mbed714 |
0:d616ece2d859
|
245
|
{
|
| mbed714 |
0:d616ece2d859
|
246
|
DBG("Usb error %d\n", ret);
|
| mbed714 |
0:d616ece2d859
|
247
|
delete pEpOut;
|
| mbed714 |
0:d616ece2d859
|
248
|
return UMTSERR_USBERR;
|
| mbed714 |
0:d616ece2d859
|
249
|
}
|
| mbed714 |
0:d616ece2d859
|
250
|
|
| mbed714 |
0:d616ece2d859
|
251
|
delete pEpOut;
|
| mbed714 |
0:d616ece2d859
|
252
|
}
|
| mbed714 |
0:d616ece2d859
|
253
|
else
|
| mbed714 |
0:d616ece2d859
|
254
|
{
|
| mbed714 |
0:d616ece2d859
|
255
|
UsbErr usbErr;
|
| mbed714 |
0:d616ece2d859
|
256
|
//Send the Huawei-specific control packet
|
| mbed714 |
0:d616ece2d859
|
257
|
usbErr = m_pDev->controlSend(0, 0x03, 1, 0, NULL, 0);
|
| mbed714 |
0:d616ece2d859
|
258
|
if(usbErr && (usbErr != USBERR_DISCONNECTED))
|
| mbed714 |
0:d616ece2d859
|
259
|
return UMTSERR_USBERR;
|
| mbed714 |
0:d616ece2d859
|
260
|
}
|
| mbed714 |
0:d616ece2d859
|
261
|
|
| mbed714 |
0:d616ece2d859
|
262
|
DBG("The stick should be switching in serial mode now\n");
|
| mbed714 |
0:d616ece2d859
|
263
|
|
| mbed714 |
0:d616ece2d859
|
264
|
return UMTSERR_OK;
|
| mbed714 |
0:d616ece2d859
|
265
|
}
|
| mbed714 |
0:d616ece2d859
|
266
|
|
| mbed714 |
0:d616ece2d859
|
267
|
UMTSStickErr UMTSStick::findSerial(UsbSerial** ppUsbSerial)
|
| mbed714 |
0:d616ece2d859
|
268
|
{
|
| mbed714 |
0:d616ece2d859
|
269
|
byte* desc = NULL;
|
| mbed714 |
0:d616ece2d859
|
270
|
int c = 0;
|
| mbed714 |
0:d616ece2d859
|
271
|
|
| mbed714 |
0:d616ece2d859
|
272
|
int epOut = 0;
|
| mbed714 |
0:d616ece2d859
|
273
|
int epIn = 0;
|
| mbed714 |
0:d616ece2d859
|
274
|
|
| mbed714 |
0:d616ece2d859
|
275
|
while( !m_pDev->getInterfaceDescriptor(1, c++, &desc) )
|
| mbed714 |
0:d616ece2d859
|
276
|
{
|
| mbed714 |
0:d616ece2d859
|
277
|
byte* p = desc;
|
| mbed714 |
0:d616ece2d859
|
278
|
int epNum = 0;
|
| mbed714 |
0:d616ece2d859
|
279
|
|
| mbed714 |
0:d616ece2d859
|
280
|
DBG("Interface of type %02x\n", desc[5]);
|
| mbed714 |
0:d616ece2d859
|
281
|
|
| mbed714 |
0:d616ece2d859
|
282
|
if(desc[5] != 0xFF) //Not a serial-like if
|
| mbed714 |
0:d616ece2d859
|
283
|
continue;
|
| mbed714 |
0:d616ece2d859
|
284
|
|
| mbed714 |
0:d616ece2d859
|
285
|
p = p + p[0]; //Move to next descriptor (which should be an ep descriptor)
|
| mbed714 |
0:d616ece2d859
|
286
|
while (epNum < desc[4]) //Eps count in this if
|
| mbed714 |
0:d616ece2d859
|
287
|
{
|
| mbed714 |
0:d616ece2d859
|
288
|
if (p[1] == USB_DESCRIPTOR_TYPE_ENDPOINT)
|
| mbed714 |
0:d616ece2d859
|
289
|
{
|
| mbed714 |
0:d616ece2d859
|
290
|
if( (p[3] == 0x02) && !(p[2] & 0x80) && !epOut ) //Bulk endpoint, out
|
| mbed714 |
0:d616ece2d859
|
291
|
{
|
| mbed714 |
0:d616ece2d859
|
292
|
DBG("Found bulk out ep %02x of payload size %04x\n", p[2], *((uint16_t*)&p[4]));
|
| mbed714 |
0:d616ece2d859
|
293
|
epOut = p[2] & 0x7F;
|
| mbed714 |
0:d616ece2d859
|
294
|
}
|
| mbed714 |
0:d616ece2d859
|
295
|
|
| mbed714 |
0:d616ece2d859
|
296
|
if( (p[3] == 0x02) && (p[2] & 0x80) && !epIn ) //Bulk endpoint, in
|
| mbed714 |
0:d616ece2d859
|
297
|
{
|
| mbed714 |
0:d616ece2d859
|
298
|
DBG("Found bulk in ep %02x of payload size %04x\n", p[2], *((uint16_t*)&p[4]));
|
| mbed714 |
0:d616ece2d859
|
299
|
epIn = p[2] & 0x7F;
|
| mbed714 |
0:d616ece2d859
|
300
|
}
|
| mbed714 |
0:d616ece2d859
|
301
|
|
| mbed714 |
0:d616ece2d859
|
302
|
if(epOut && epIn)
|
| mbed714 |
0:d616ece2d859
|
303
|
break;
|
| mbed714 |
0:d616ece2d859
|
304
|
}
|
| mbed714 |
0:d616ece2d859
|
305
|
|
| mbed714 |
0:d616ece2d859
|
306
|
p = p + p[0]; //Move to next ep desc
|
| mbed714 |
0:d616ece2d859
|
307
|
epNum++;
|
| mbed714 |
0:d616ece2d859
|
308
|
}
|
| mbed714 |
0:d616ece2d859
|
309
|
|
| mbed714 |
0:d616ece2d859
|
310
|
if(epOut && epIn)
|
| mbed714 |
0:d616ece2d859
|
311
|
break;
|
| mbed714 |
0:d616ece2d859
|
312
|
}
|
| mbed714 |
0:d616ece2d859
|
313
|
|
| mbed714 |
0:d616ece2d859
|
314
|
if(!epOut || !epIn)
|
| mbed714 |
0:d616ece2d859
|
315
|
return UMTSERR_NOTFOUND;
|
| mbed714 |
0:d616ece2d859
|
316
|
|
| mbed714 |
0:d616ece2d859
|
317
|
DBG("Endpoints found, create serial object\n");
|
| mbed714 |
0:d616ece2d859
|
318
|
|
| mbed714 |
0:d616ece2d859
|
319
|
*ppUsbSerial = new UsbSerial(m_pDev, epIn, epOut);
|
| mbed714 |
0:d616ece2d859
|
320
|
|
| mbed714 |
0:d616ece2d859
|
321
|
DBG("UsbSerial object created\n");
|
| mbed714 |
0:d616ece2d859
|
322
|
|
| mbed714 |
0:d616ece2d859
|
323
|
return UMTSERR_OK;
|
| mbed714 |
0:d616ece2d859
|
324
|
}
|
| mbed714 |
0:d616ece2d859
|
325
|
|
| mbed714 |
0:d616ece2d859
|
326
|
#endif
|
Daniel Peter