tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost3GModule/WANDongle.cpp

   1 /* Copyright (c) 2010-2012 mbed.org, MIT License
   2 *
   3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   4 * and associated documentation files (the "Software"), to deal in the Software without
   5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
   6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
   7 * Software is furnished to do so, subject to the following conditions:
   8 *
   9 * The above copyright notice and this permission notice shall be included in all copies or
  10 * substantial portions of the Software.
  11 *
  12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  17 */
  18
  19 #include "USBHostConf.h"
  20
  21 #ifdef USBHOST_3GMODULE
  22
  23 #include "dbg.h"
  24 #include <stdint.h>
  25 #include "rtos.h"
  26
  27 #include "WANDongle.h"
  28 #include "WANDongleInitializer.h"
  29
  30 WANDongle::WANDongle() : m_pInitializer(NULL), m_serialCount(0), m_totalInitializers(0)
  31 {
  32     host = USBHost::getHostInst();
  33     init();
  34 }
  35
  36
  37 bool WANDongle::connected() {
  38   return dev_connected;
  39 }
  40
  41 bool WANDongle::tryConnect()
  42 {
  43   //FIXME should run on USB thread
  44
  45   USB_DBG("Trying to connect device");
  46
  47   if (dev_connected) {
  48       USB_DBG("Device is already connected!");
  49       return true;
  50   }
  51
  52   m_pInitializer = NULL;
  53
  54   //Protect from concurrent access from USB thread
  55   USBHost::Lock lock(host);
  56
  57   for (int i = 0; i < MAX_DEVICE_CONNECTED; i++)
  58   {
  59       if ((dev = host->getDevice(i)) != NULL)
  60       {
  61           m_pInitializer = NULL; //Will be set in setVidPid callback
  62
  63           USB_DBG("Enumerate");
  64           int ret = host->enumerate(dev, this);
  65           if(ret)
  66           {
  67             return false;
  68           }
  69
  70           USB_DBG("Device has VID:%04x PID:%04x", dev->getVid(), dev->getPid());
  71
  72           if(m_pInitializer) //If an initializer has been found
  73           {
  74             USB_DBG("m_pInitializer=%p", m_pInitializer);
  75             USB_DBG("m_pInitializer->getSerialVid()=%04x", m_pInitializer->getSerialVid());
  76             USB_DBG("m_pInitializer->getSerialPid()=%04x", m_pInitializer->getSerialPid());
  77             if ((dev->getVid() == m_pInitializer->getSerialVid()) && (dev->getPid() == m_pInitializer->getSerialPid()))
  78             {
  79               USB_DBG("The dongle is in virtual serial mode");
  80               host->registerDriver(dev, 0, this, &WANDongle::init);
  81               m_serialCount = m_pInitializer->getSerialPortCount();
  82               if( m_serialCount > WANDONGLE_MAX_SERIAL_PORTS )
  83               {
  84                 m_serialCount = WANDONGLE_MAX_SERIAL_PORTS;
  85               }
  86               for(int j = 0; j < m_serialCount; j++)
  87               {
  88                 USB_DBG("Connecting serial port #%d", j+1);
  89                 USB_DBG("Ep %p", m_pInitializer->getEp(dev, j, false));
  90                 USB_DBG("Ep %p", m_pInitializer->getEp(dev, j, true));
  91                 m_serial[j].connect( dev, m_pInitializer->getEp(dev, j, false), m_pInitializer->getEp(dev, j, true) );
  92               }
  93
  94               USB_DBG("Device connected");
  95
  96               dev_connected = true;
  97
  98
  99               return true;
 100             }
 101             else if ((dev->getVid() == m_pInitializer->getMSDVid()) && (dev->getPid() == m_pInitializer->getMSDPid()))
 102             {
 103               USB_DBG("Vodafone K3370 dongle detected in MSD mode");
 104               //Try to switch
 105               if( m_pInitializer->switchMode(dev) )
 106               {
 107                 USB_DBG("Switched OK");
 108                 return false; //Will be connected on a next iteration
 109               }
 110               else
 111               {
 112                 USB_ERR("Could not switch mode");
 113                 return false;
 114               }
 115             }
 116           } //if()
 117       } //if()
 118   } //for()
 119   return false;
 120 }
 121
 122 bool WANDongle::disconnect()
 123 {
 124   dev_connected = false;
 125   for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
 126   {
 127     m_serial[i].disconnect();
 128   }
 129   return true;
 130 }
 131
 132 int WANDongle::getDongleType()
 133 {
 134   if( m_pInitializer != NULL )
 135   {
 136     return m_pInitializer->getType();
 137   }
 138   else
 139   {
 140     return WAN_DONGLE_TYPE_UNKNOWN;
 141   }
 142 }
 143
 144 IUSBHostSerial& WANDongle::getSerial(int index)
 145 {
 146   return m_serial[index];
 147 }
 148
 149 int WANDongle::getSerialCount()
 150 {
 151   return m_serialCount;
 152 }
 153
 154 //Private methods
 155 void WANDongle::init()
 156 {
 157   m_pInitializer = NULL;
 158   dev_connected = false;
 159   for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
 160   {
 161     m_serial[i].init(host);
 162   }
 163 }
 164
 165
 166 /*virtual*/ void WANDongle::setVidPid(uint16_t vid, uint16_t pid)
 167 {
 168   WANDongleInitializer* initializer;
 169
 170   for(int i = 0; i < m_totalInitializers; i++)
 171   {
 172     initializer = m_Initializers[i];
 173     USB_DBG("initializer=%p", initializer);
 174     USB_DBG("initializer->getSerialVid()=%04x", initializer->getSerialVid());
 175     USB_DBG("initializer->getSerialPid()=%04x", initializer->getSerialPid());
 176     if ((dev->getVid() == initializer->getSerialVid()) && (dev->getPid() == initializer->getSerialPid()))
 177     {
 178       USB_DBG("The dongle is in virtual serial mode");
 179       m_pInitializer = initializer;
 180       break;
 181     }
 182     else if ((dev->getVid() == initializer->getMSDVid()) && (dev->getPid() == initializer->getMSDPid()))
 183     {
 184       USB_DBG("Dongle detected in MSD mode");
 185       m_pInitializer = initializer;
 186       break;
 187     }
 188     initializer++;
 189   } //for
 190   if(m_pInitializer)
 191   {
 192     m_pInitializer->setVidPid(vid, pid);
 193   }
 194 }
 195
 196 /*virtual*/ bool WANDongle::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
 197 {
 198   if(m_pInitializer)
 199   {
 200     return m_pInitializer->parseInterface(intf_nb, intf_class, intf_subclass, intf_protocol);
 201   }
 202   else
 203   {
 204     return false;
 205   }
 206 }
 207
 208 /*virtual*/ bool WANDongle::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
 209 {
 210   if(m_pInitializer)
 211   {
 212     return m_pInitializer->useEndpoint(intf_nb, type, dir);
 213   }
 214   else
 215   {
 216     return false;
 217   }
 218 }
 219
 220
 221 bool WANDongle::addInitializer(WANDongleInitializer* pInitializer)
 222 {
 223   if (m_totalInitializers >= WANDONGLE_MAX_INITIALIZERS)
 224     return false;
 225   m_Initializers[m_totalInitializers++] = pInitializer;
 226   return true;
 227 }
 228
 229 WANDongle::~WANDongle()
 230 {
 231   for(int i = 0; i < m_totalInitializers; i++)
 232     delete m_Initializers[i];
 233 }
 234
 235 #endif /* USBHOST_3GMODULE */