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tmk_keyboard/tool/mbed/mbed-sdk/libraries/net/cellular/UbloxUSBModem/UbloxUSBCDMAModem.cpp
Jun Wako 1fe4406f37 Squashed 'tmk_core/' changes from 7967731..b9e0ea0
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
2015-04-24 16:26:14 +09:00

399 lines
8.3 KiB
C++

/* UbloxUSBCDMAModem.cpp */
/* Copyright (C) 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.
*/
#define __DEBUG__ 4
#ifndef __MODULE__
#define __MODULE__ "UbloxUSBCDMAModem.cpp"
#endif
#include "core/fwk.h"
#include "UbloxUSBCDMAModem.h"
#include "UbloxCDMAModemInitializer.h"
#include "USBHost.h"
#define USE_ONE_PORT 1
UbloxUSBCDMAModem::UbloxUSBCDMAModem(PinName powerGatingPin /*= NC*/, bool powerGatingOnWhenPinHigh /* = true*/, int serial /* 0 */) : m_dongle(),
m_stream(m_dongle.getSerial(serial)),
m_at(&m_stream),
m_sms(&m_at), m_ppp(&m_stream),
m_dongleConnected(false), m_ipInit(false), m_smsInit(false), m_atOpen(false),
m_powerGatingPin(powerGatingPin), m_powerGatingOnWhenPinHigh(powerGatingOnWhenPinHigh)
{
USBHost* host = USBHost::getHostInst();
m_dongle.addInitializer(new UbloxCDMAModemInitializer(host));
if( m_powerGatingPin != NC )
{
power(false); //Dongle will have to be powered on manually
}
}
class CSSProcessor : public IATCommandsProcessor
{
public:
CSSProcessor() : status(STATUS_REGISTERING)
{
}
enum REGISTERING_STATUS { STATUS_REGISTERING, STATUS_OK };
REGISTERING_STATUS getStatus()
{
return status;
}
private:
virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
{
char b;
char bc[3] = "";
int sid = 99999;
//if( sscanf(line, "%*d, %c", &r) == 1 )
if(sscanf(line, "%*s %c,%2s,%d", &b,bc,&sid)==3)
{
if(strcmp("Z", bc) == 0)
status = STATUS_REGISTERING;
else
status = STATUS_OK;
}
return OK;
}
virtual int onNewEntryPrompt(ATCommandsInterface* pInst)
{
return OK;
}
volatile REGISTERING_STATUS status;
};
int UbloxUSBCDMAModem::connect(const char* apn, const char* user, const char* password)
{
if( !m_ipInit )
{
m_ipInit = true;
m_ppp.init();
}
m_ppp.setup(user, password, DEFAULT_MSISDN_CDMA);
int ret = init();
if(ret)
{
return ret;
}
#if USE_ONE_PORT
m_smsInit = false; //SMS status reset
//m_ussdInit = false; //USSD status reset
//m_linkMonitorInit = false; //Link monitor status reset
#endif
ATCommandsInterface::ATResult result;
if(apn != NULL)
{
char cmd[48];
sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", apn);
ret = m_at.executeSimple(cmd, &result);
DBG("Result of command: Err code=%d", ret);
DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
DBG("APN set to %s", apn);
}
//Connect
DBG("Connecting");
#if USE_ONE_PORT
m_at.close(); // Closing AT parser
m_atOpen = false; //Will need to be reinitialized afterwards
#endif
DBG("Connecting PPP");
ret = m_ppp.connect();
DBG("Result of connect: Err code=%d", ret);
return ret;
}
int UbloxUSBCDMAModem::disconnect()
{
DBG("Disconnecting from PPP");
int ret = m_ppp.disconnect();
if(ret)
{
ERR("Disconnect returned %d, still trying to disconnect", ret);
}
//Ugly but leave dongle time to recover
Thread::wait(500);
#if USE_ONE_PORT
ATCommandsInterface::ATResult result;
DBG("Starting AT thread");
ret = m_at.open();
if(ret)
{
return ret;
}
#endif
DBG("Trying to hangup");
#if 0 //Does not appear to work
int tries = 10;
do
{
ret = m_at.executeSimple("+++", &result, 1000);
DBG("Result of command: Err code=%d\n", ret);
DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
} while(tries-- && ret);
if(!ret)
{
ret = m_at.executeSimple("ATH", &result);
DBG("Result of command: Err code=%d\n", ret);
DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
}
#endif
#if USE_ONE_PORT
//Reinit AT parser
ret = m_at.init();
DBG("Result of command: Err code=%d\n", ret);
if(ret)
{
m_at.close(); // Closing AT parser
DBG("AT Parser closed, could not complete disconnection");
return NET_TIMEOUT;
}
#if 0
m_at.close(); // Closing AT parser
DBG("AT Parser closed");
#endif
#endif
return OK;
}
int UbloxUSBCDMAModem::sendSM(const char* number, const char* message)
{
int ret = init();
if(ret)
{
return ret;
}
if(!m_smsInit)
{
ret = m_sms.init();
if(ret)
{
return ret;
}
m_smsInit = true;
}
ret = m_sms.send(number, message);
if(ret)
{
return ret;
}
return OK;
}
int UbloxUSBCDMAModem::getSM(char* number, char* message, size_t maxLength)
{
int ret = init();
if(ret)
{
return ret;
}
if(!m_smsInit)
{
ret = m_sms.init();
if(ret)
{
return ret;
}
m_smsInit = true;
}
ret = m_sms.get(number, message, maxLength);
if(ret)
{
return ret;
}
return OK;
}
int UbloxUSBCDMAModem::getSMCount(size_t* pCount)
{
int ret = init();
if(ret)
{
return ret;
}
if(!m_smsInit)
{
ret = m_sms.init();
if(ret)
{
return ret;
}
m_smsInit = true;
}
ret = m_sms.getCount(pCount);
if(ret)
{
return ret;
}
return OK;
}
ATCommandsInterface* UbloxUSBCDMAModem::getATCommandsInterface()
{
return &m_at;
}
int UbloxUSBCDMAModem::power(bool enable)
{
if( m_powerGatingPin == NC )
{
return NET_INVALID; //A pin name has not been provided in the constructor
}
if(!enable) //Will force components to re-init
{
cleanup();
}
DigitalOut powerGatingOut(m_powerGatingPin);
powerGatingOut = m_powerGatingOnWhenPinHigh?enable:!enable;
return OK;
}
bool UbloxUSBCDMAModem::power()
{
if( m_powerGatingPin == NC )
{
return true; //Assume power is always on
}
DigitalOut powerGatingOut(m_powerGatingPin);
return m_powerGatingOnWhenPinHigh?powerGatingOut:!powerGatingOut;
}
int UbloxUSBCDMAModem::init()
{
if( !m_dongleConnected )
{
if(!power())
{
//Obviously cannot initialize the dongle if it is disconnected...
ERR("Power is off");
return NET_INVALID;
}
m_dongleConnected = true;
while( !m_dongle.connected() )
{
m_dongle.tryConnect();
Thread::wait(100);
}
}
if(m_atOpen)
{
return OK;
}
DBG("Starting AT thread if needed");
int ret = m_at.open();
if(ret)
{
return ret;
}
DBG("Sending initialisation commands");
ret = m_at.init();
if(ret)
{
return ret;
}
if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAC200)
{
INFO("Using a UBLOX C200 Dongle");
}
else
{
WARN("Using an Unknown Dongle");
}
ATCommandsInterface::ATResult result;
//Wait for network registration
CSSProcessor cssProcessor;
do
{
DBG("Waiting for network registration");
ret = m_at.execute("AT+CSS?", &cssProcessor, &result);
DBG("Result of command: Err code=%d\n", ret);
DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
if(cssProcessor.getStatus() == CSSProcessor::STATUS_REGISTERING)
{
Thread::wait(3000);
}
} while(cssProcessor.getStatus() == CSSProcessor::STATUS_REGISTERING);
m_atOpen = true;
return OK;
}
int UbloxUSBCDMAModem::cleanup()
{
if(m_ppp.isConnected())
{
WARN("Data connection is still open"); //Try to encourage good behaviour from the user
m_ppp.disconnect();
}
m_smsInit = false;
// m_linkMonitorInit = false;
//We don't reset m_ipInit as PPPIPInterface::init() only needs to be called once
if(m_atOpen)
{
m_at.close();
m_atOpen = false;
}
m_dongle.disconnect();
m_dongleConnected = false;
return OK;
}