2 /* Copyright (C) 2012 mbed.org, MIT License
4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in all copies or
11 * substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 #define __MODULE__ "UbloxModem.cpp"
26 #include "sms/GSMSMSInterface.h"
27 #include "sms/CDMASMSInterface.h"
29 #include "UbloxModem.h"
31 UbloxModem::UbloxModem(IOStream* atStream, IOStream* pppStream) :
32 m_at(atStream), // Construct ATCommandsInterface with the AT serial channel
33 m_CdmaSms(&m_at), // Construct SMSInterface with the ATCommandsInterface
34 m_GsmSms(&m_at), // Construct SMSInterface with the ATCommandsInterface
35 m_ussd(&m_at), // Construct USSDInterface with the ATCommandsInterface
36 m_linkMonitor(&m_at), // Construct LinkMonitor with the ATCommandsInterface
37 m_ppp(pppStream ? pppStream : atStream), // Construct PPPIPInterface with the PPP serial channel
38 m_ipInit(false), // PPIPInterface connection is initially down
39 m_smsInit(false), // SMSInterface starts un-initialised
40 m_ussdInit(false), // USSDInterface starts un-initialised
41 m_linkMonitorInit(false), // LinkMonitor subsystem starts un-initialised
42 m_atOpen(false), // ATCommandsInterface starts in a closed state
43 m_onePort(pppStream == NULL),
49 genericAtProcessor::genericAtProcessor()
55 const char* genericAtProcessor::getResponse(void)
60 int genericAtProcessor::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
63 if (i + l + 2 > sizeof(str))
65 if (i) str[i++] = ',';
66 strcat(&str[i], line);
71 int genericAtProcessor::onNewEntryPrompt(ATCommandsInterface* pInst)
76 class CREGProcessor : public IATCommandsProcessor
79 CREGProcessor(bool gsm) : status(STATUS_REGISTERING)
83 enum REGISTERING_STATUS { STATUS_REGISTERING, STATUS_OK, STATUS_FAILED };
84 REGISTERING_STATUS getStatus()
88 const char* getAtCommand()
90 return m_gsm ? "AT+CREG?" : "AT+CSS?";
93 virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
98 if( sscanf(line, "+CREG: %*d,%d", &r) == 1 )
100 status = (r == 1 || r == 5) ? STATUS_OK :
101 (r == 0 || r == 2) ? STATUS_REGISTERING :
102 // (r == 3) ? STATUS_FAILED :
109 if(sscanf(line, "%*s %*c,%2s,%*d",bc)==1)
111 status = (strcmp("Z", bc) == 0) ? STATUS_REGISTERING : STATUS_OK;
116 virtual int onNewEntryPrompt(ATCommandsInterface* pInst)
120 volatile REGISTERING_STATUS status;
124 int UbloxModem::connect(const char* apn, const char* user, const char* password)
131 m_ppp.setup(user, password, (m_type != LISA_C200) ? DEFAULT_MSISDN_GSM : DEFAULT_MSISDN_CDMA);
141 m_smsInit = false; //SMS status reset
142 m_ussdInit = false; //USSD status reset
143 m_linkMonitorInit = false; //Link monitor status reset
146 ATCommandsInterface::ATResult result;
152 sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", apn);
153 do //Try 30 times because for some reasons it can fail *a lot* with the K3772-Z dongle
155 ret = m_at.executeSimple(cmd, &result);
156 DBG("Result of command: Err code=%d", ret);
161 } while(ret && --tries);
162 DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
163 DBG("APN set to %s", apn);
170 m_at.close(); // Closing AT parser
171 m_atOpen = false; //Will need to be reinitialized afterwards
174 DBG("Connecting PPP");
176 ret = m_ppp.connect();
177 DBG("Result of connect: Err code=%d", ret);
182 int UbloxModem::disconnect()
184 DBG("Disconnecting from PPP");
185 int ret = m_ppp.disconnect();
188 ERR("Disconnect returned %d, still trying to disconnect", ret);
191 //Ugly but leave dongle time to recover
196 //ATCommandsInterface::ATResult result;
197 DBG("Starting AT thread");
205 DBG("Trying to hangup");
210 ret = m_at.init(false);
211 DBG("Result of command: Err code=%d\n", ret);
214 m_at.close(); // Closing AT parser
215 DBG("AT Parser closed, could not complete disconnection");
223 int UbloxModem::sendSM(const char* number, const char* message)
232 if (m_type == LISA_C200) sms = &m_CdmaSms;
233 else sms = &m_GsmSms;
244 ret = sms->send(number, message);
253 int UbloxModem::getSM(char* number, char* message, size_t maxLength)
262 if (m_type == LISA_C200) sms = &m_CdmaSms;
263 else sms = &m_GsmSms;
274 ret = sms->get(number, message, maxLength);
283 int UbloxModem::getSMCount(size_t* pCount)
292 if (m_type == LISA_C200) sms = &m_CdmaSms;
293 else sms = &m_GsmSms;
304 ret = sms->getCount(pCount);
313 ATCommandsInterface* UbloxModem::getATCommandsInterface()
318 int UbloxModem::init()
325 DBG("Starting AT thread if needed");
326 int ret = m_at.open();
332 DBG("Sending initialisation commands");
333 ret = m_at.init(false);
340 ATCommandsInterface::ATResult result;
341 genericAtProcessor atiProcessor;
342 ret = m_at.execute("ATI", &atiProcessor, &result);
345 const char* info = atiProcessor.getResponse();
346 INFO("Modem Identification [%s]", info);
347 if (strstr(info, "LISA-C200")) {
349 m_onePort = true; // force use of only one port
351 else if (strstr(info, "LISA-U200")) {
354 else if (strstr(info, "SARA-G350")) {
358 // enable the network indicator
359 if (m_type == SARA_G350) {
360 m_at.executeSimple("AT+UGPIOC=16,2", &result);
362 else if (m_type == LISA_U200) {
363 m_at.executeSimple("AT+UGPIOC=20,2", &result);
365 else if (m_type == LISA_C200) {
366 // LISA-C200 02S/22S : GPIO1 do not support network status indication
367 // m_at.executeSimple("AT+UGPIOC=20,2", &result);
369 INFO("Modem Identification [%s]", info);
371 CREGProcessor cregProcessor(m_type != LISA_C200);
372 //Wait for network registration
375 DBG("Waiting for network registration");
376 ret = m_at.execute(cregProcessor.getAtCommand(), &cregProcessor, &result);
377 DBG("Result of command: Err code=%d\n", ret);
378 DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
379 if(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING)
383 } while(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING);
384 if(cregProcessor.getStatus() == CREGProcessor::STATUS_FAILED)
386 ERR("Registration denied");
395 int UbloxModem::cleanup()
397 if(m_ppp.isConnected())
399 WARN("Data connection is still open"); //Try to encourage good behaviour from the user
405 m_linkMonitorInit = false;
406 //We don't reset m_ipInit as PPPIPInterface::init() only needs to be called once
417 int UbloxModem::sendUSSD(const char* command, char* result, size_t maxLength)
435 ret = m_ussd.send(command, result, maxLength);
444 int UbloxModem::getLinkState(int* pRssi, LinkMonitor::REGISTRATION_STATE* pRegistrationState, LinkMonitor::BEARER* pBearer)
452 if(!m_linkMonitorInit)
454 ret = m_linkMonitor.init(m_type != LISA_C200);
459 m_linkMonitorInit = true;
462 ret = m_linkMonitor.getState(pRssi, pRegistrationState, pBearer);
471 int UbloxModem::getPhoneNumber(char* phoneNumber)
479 if(!m_linkMonitorInit)
481 ret = m_linkMonitor.init(m_type != LISA_C200);
486 m_linkMonitorInit = true;
489 ret = m_linkMonitor.getPhoneNumber(phoneNumber);
499 #include "UbloxGSMModemInitializer.h"
500 #include "UbloxCDMAModemInitializer.h"
502 UbloxUSBModem::UbloxUSBModem() :
503 UbloxModem(&m_atStream, &m_pppStream),
504 m_dongle(), // Construct WANDongle: USB interface with two serial channels to the modem (USBSerialStream objects)
505 m_atStream(m_dongle.getSerial(1)), // AT commands are sent down one serial channel.
506 m_pppStream(m_dongle.getSerial(0)), // PPP connections are managed via another serial channel.
507 m_dongleConnected(false) // Dongle is initially not ready for anything
509 USBHost* host = USBHost::getHostInst();
510 m_dongle.addInitializer(new UbloxGSMModemInitializer(host));
511 m_dongle.addInitializer(new UbloxCDMAModemInitializer(host));
514 int UbloxUSBModem::init()
516 if( !m_dongleConnected )
518 m_dongleConnected = true;
519 while( !m_dongle.connected() )
521 m_dongle.tryConnect();
524 if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAU200)
526 INFO("Using a u-blox LISA-U200 3G/WCDMA Modem");
529 else if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAC200)
531 INFO("Using a u-blox LISA-C200 CDMA Modem");
537 WARN("Using an Unknown Dongle");
540 return UbloxModem::init();
543 int UbloxUSBModem::cleanup()
545 UbloxModem::cleanup();
546 m_dongle.disconnect();
547 m_dongleConnected = false;
551 UbloxSerModem::UbloxSerModem() :
552 UbloxModem(&m_atStream, NULL),
553 m_Serial(P0_15/*MDMTXD*/,P0_16/*MDMRXD*/),
556 m_Serial.baud(115200/*MDMBAUD*/);
557 m_Serial.set_flow_control(SerialBase::RTSCTS, P0_22/*MDMRTS*/, P0_17/*MDMCTS*/);