Diff: USBHost3GModule/WANDongle.cpp

Revision:

43:1675750cca08

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost3GModule/WANDongle.cpp	Thu Jul 26 00:20:32 2018 +0000
@@ -0,0 +1,235 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* 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.
+*/
+
+#include "USBHostConf.h"
+
+#ifdef USBHOST_3GMODULE
+
+#include "dbg.h"
+#include <stdint.h>
+#include "rtos.h"
+
+#include "WANDongle.h"
+#include "WANDongleInitializer.h"
+
+WANDongle::WANDongle() : m_pInitializer(NULL), m_serialCount(0), m_totalInitializers(0)
+{
+    host = USBHost::getHostInst();
+    init();
+}
+
+
+bool WANDongle::connected() {
+  return dev_connected;
+}
+
+bool WANDongle::tryConnect()
+{
+  //FIXME should run on USB thread
+
+  USB_DBG("Trying to connect device");
+
+  if (dev_connected) {
+      USB_DBG("Device is already connected!");
+      return true;
+  }
+
+  m_pInitializer = NULL;
+
+  //Protect from concurrent access from USB thread
+  USBHost::Lock lock(host);
+
+  for (int i = 0; i < MAX_DEVICE_CONNECTED; i++)
+  {
+      if ((dev = host->getDevice(i)) != NULL)
+      {
+          m_pInitializer = NULL; //Will be set in setVidPid callback
+
+          USB_DBG("Enumerate");
+          int ret = host->enumerate(dev, this);
+          if(ret)
+          {
+            return false;
+          }
+
+          USB_DBG("Device has VID:%04x PID:%04x", dev->getVid(), dev->getPid());
+
+          if(m_pInitializer) //If an initializer has been found
+          {
+            USB_DBG("m_pInitializer=%p", m_pInitializer);
+            USB_DBG("m_pInitializer->getSerialVid()=%04x", m_pInitializer->getSerialVid());
+            USB_DBG("m_pInitializer->getSerialPid()=%04x", m_pInitializer->getSerialPid());
+            if ((dev->getVid() == m_pInitializer->getSerialVid()) && (dev->getPid() == m_pInitializer->getSerialPid()))
+            {
+              USB_DBG("The dongle is in virtual serial mode");
+              host->registerDriver(dev, 0, this, &WANDongle::init);
+              m_serialCount = m_pInitializer->getSerialPortCount();
+              if( m_serialCount > WANDONGLE_MAX_SERIAL_PORTS )
+              {
+                m_serialCount = WANDONGLE_MAX_SERIAL_PORTS;
+              }
+              for(int j = 0; j < m_serialCount; j++)
+              {
+                USB_DBG("Connecting serial port #%d", j+1);
+                USB_DBG("Ep %p", m_pInitializer->getEp(dev, j, false));
+                USB_DBG("Ep %p", m_pInitializer->getEp(dev, j, true));
+                m_serial[j].connect( dev, m_pInitializer->getEp(dev, j, false), m_pInitializer->getEp(dev, j, true) );
+              }
+
+              USB_DBG("Device connected");
+
+              dev_connected = true;
+
+
+              return true;
+            }
+            else if ((dev->getVid() == m_pInitializer->getMSDVid()) && (dev->getPid() == m_pInitializer->getMSDPid()))
+            {
+              USB_DBG("Vodafone K3370 dongle detected in MSD mode");
+              //Try to switch
+              if( m_pInitializer->switchMode(dev) )
+              {
+                USB_DBG("Switched OK");
+                return false; //Will be connected on a next iteration
+              }
+              else
+              {
+                USB_ERR("Could not switch mode");
+                return false;
+              }
+            }
+          } //if()
+      } //if()
+  } //for()
+  return false;
+}
+
+bool WANDongle::disconnect()
+{
+  dev_connected = false;
+  for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
+  {
+    m_serial[i].disconnect();
+  }
+  return true;
+}
+
+int WANDongle::getDongleType()
+{
+  if( m_pInitializer != NULL )
+  {
+    return m_pInitializer->getType();
+  }
+  else
+  {
+    return WAN_DONGLE_TYPE_UNKNOWN;
+  }
+}
+
+IUSBHostSerial& WANDongle::getSerial(int index)
+{
+  return m_serial[index];
+}
+
+int WANDongle::getSerialCount()
+{
+  return m_serialCount;
+}
+
+//Private methods
+void WANDongle::init()
+{
+  m_pInitializer = NULL;
+  dev_connected = false;
+  for(int i = 0; i < WANDONGLE_MAX_SERIAL_PORTS; i++)
+  {
+    m_serial[i].init(host);
+  }
+}
+
+
+/*virtual*/ void WANDongle::setVidPid(uint16_t vid, uint16_t pid)
+{
+  WANDongleInitializer* initializer;
+
+  for(int i = 0; i < m_totalInitializers; i++)
+  {
+    initializer = m_Initializers[i];
+    USB_DBG("initializer=%p", initializer);
+    USB_DBG("initializer->getSerialVid()=%04x", initializer->getSerialVid());
+    USB_DBG("initializer->getSerialPid()=%04x", initializer->getSerialPid());
+    if ((dev->getVid() == initializer->getSerialVid()) && (dev->getPid() == initializer->getSerialPid()))
+    {
+      USB_DBG("The dongle is in virtual serial mode");
+      m_pInitializer = initializer;
+      break;
+    }
+    else if ((dev->getVid() == initializer->getMSDVid()) && (dev->getPid() == initializer->getMSDPid()))
+    {
+      USB_DBG("Dongle detected in MSD mode");
+      m_pInitializer = initializer;
+      break;
+    }
+    initializer++;
+  } //for
+  if(m_pInitializer)
+  {
+    m_pInitializer->setVidPid(vid, pid);
+  }
+}
+
+/*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
+{
+  if(m_pInitializer)
+  {
+    return m_pInitializer->parseInterface(intf_nb, intf_class, intf_subclass, intf_protocol);
+  }
+  else
+  {
+    return false;
+  }
+}
+
+/*virtual*/ bool WANDongle::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+  if(m_pInitializer)
+  {
+    return m_pInitializer->useEndpoint(intf_nb, type, dir);
+  }
+  else
+  {
+    return false;
+  }
+}
+
+
+bool WANDongle::addInitializer(WANDongleInitializer* pInitializer)
+{
+  if (m_totalInitializers >= WANDONGLE_MAX_INITIALIZERS)
+    return false;
+  m_Initializers[m_totalInitializers++] = pInitializer;
+  return true;
+}
+
+WANDongle::~WANDongle()
+{
+  for(int i = 0; i < m_totalInitializers; i++)
+    delete m_Initializers[i];
+}
+
+#endif /* USBHOST_3GMODULE */