Simple detection for LE910-NA1 modules
Fork of MTS-Cellular by
Cellular/EasyIP.cpp
- Committer:
- Vanger
- Date:
- 2014-06-26
- Revision:
- 26:2b769ed8de4f
- Child:
- 27:ec44d5a9544f
File content as of revision 26:2b769ed8de4f:
// This is a template from UIP.cpp for now, will modify code and implement it as I go #include "mbed.h" #include "EasyIP.h" #include "MTSText.h" #include "MTSLog.h" #include "CellUtils.h" using namespace mts; EasyIP::EasyIP(Radio type) { //Not sure how the construction process is done, //but assuming it works for both EasyIP and UIP the same way. this->type = type; io = NULL; dcd = NULL; dtr = NULL; resetLine = NULL; echoMode = true; pppConnected = false; socketMode = TCP; socketOpened = false; socketCloseable = true; local_port = 0; local_address = ""; host_port = 0; } EasyIP::~EasyIP() { //Same reasoning for the destructor as the constructor, //assuming it works for UIP, it will work for EasyIP if (dtr != NULL) { dtr->write(1); } delete dcd; delete dtr; delete resetLine; } //Initializes the MTS IO Buffer bool EasyIP::init(MTSBufferedIO* io) { if (! Cellular::init(io)) { return false; } logDebug("radio type: %s", Cellular::getRadioNames(type).c_str()); return true; } bool EasyIP::connect() { //Check if socket is open //flag stored in Cellular.h if(socketOpened) { return true; } //Check if already connected //by calling the function isConnected() in EasyIP.cpp if(isConnected()) { return true; } //Create an mbed timer object Timer tmr; //Check Registration: AT+CREG? == 0,1 //(Does the AT command inside Cellular class) tmr.start(); do { Registration registration = getRegistration(); if(registration != REGISTERED) { logTrace("Not Registered [%d] ... waiting", (int)registration); wait(1); } else { break; } } while(tmr.read() < 30); //Check RSSI: AT+CSQ //Does the command inside Cellular tmr.reset(); do { int rssi = getSignalStrength(); logDebug("Signal strength: %d", rssi); if(rssi == 99) { logTrace("No Signal ... waiting"); wait(1); } else { break; } } while(tmr.read() < 30); //AT#CONNECTIONSTART: Make a PPP connection if (type == MTSMC_H5 || type == MTSMC_G3) { logDebug("Making PPP Connection Attempt. APN[%s]", apn.c_str()); } else { logDebug("Making PPP Connection Attempt"); } //The main thing going on; Sends the AT command to start a connection //Assuming context is already stored in the modem...If not, will need to set context from classes/data std::string pppResult = sendCommand("AT#SGACT=1,1", 120000); if(pppResult.find("OK") != std::string::npos) { std::vector<std::string> parts = Text::split(pppResult, "\r\n"); if(parts.size() >= 2) { parts = Text::split(parts[1], " "); local_address = parts[1]; } logInfo("PPP Connection Established: IP[%s]", local_address.c_str()); pppConnected = true; } else { pppConnected = false; } return pppConnected; } void EasyIP::disconnect() { //AT#SGACT=1,0: Close a PPP connection logDebug("Closing PPP Connection"); if(socketOpened) { close(); //Calls another EasyIP //function to close socket before disconnect } //Sends AT#SGACT=1,0 command if(sendBasicCommand("AT#SGACT=1,0", 10000) == MTS_SUCCESS) { logDebug("Successfully closed PPP Connection"); } else { logError("Closing PPP Connection. Continuing ..."); } pppConnected = false; } //++++++++++++++++++++++++++++++++++++++++++++ bool EasyIP::isConnected() { return pppConnected; } //Binds the socket to a specific port if able bool EasyIP::bind(unsigned int port) { return true; } //++++++++++++++++++++++++++++++++++++++++++++++++++++++++ bool EasyIP::open(const std::string& address, unsigned int port, Mode mode) { return socketOpened; } //++++++++++++++++++++++++++++++++++++++++++++++++++++++ bool EasyIP::isOpen() { return socketOpened; } //++++++++++++++++++++++++++++++++++++++++++++++++++++++++ bool EasyIP::close() { return true; } int EasyIP::read(char* data, int max, int timeout) { return 1; } int EasyIP::write(const char* data, int length, int timeout) { return 1; } unsigned int EasyIP::readable() { return io->readable(); } unsigned int EasyIP::writeable() { return io->writeable(); } bool EasyIP::setDeviceIP(std::string address) { if (address.compare("DHCP") == 0) { return true; } else { logWarning("Radio does not support static IPs, using DHCP.\n\r"); return false; } } Code EasyIP::setApn(const std::string& apn) { if (type == MTSMC_H5 || type == MTSMC_G3) { //Set IP,PPP,IPv6 Code code = sendBasicCommand("AT+CGDCONT=1,PPP," + apn, 1000); if (code != MTS_SUCCESS) { return code; } this->apn = apn; return code; //This will return MTS_SUCCESS } else { logInfo("CDMA radios don't need an APN"); return MTS_SUCCESS; } } //++++++++++++++++++++++++++++++++++++++++++++++++++ void EasyIP::reset() { } std::string EasyIP::getDeviceIP() { return local_address; } //Turns off echo when it receives a 1, turns on when it receives anything else Code EasyIP::echo(bool state) { return MTS_SUCCESS; } bool EasyIP::ping(const std::string& address) { char buffer[256] = {0}; std::string response; //Sends "PINGNUM" of pings to "address" with a timeout of "PINGDELAY" //AT command takes pingdelay as units of 100ms, so seconds would be 10 times bigger //Concatenate parameters into one string sprintf(buffer, "AT#PING=%s,%d,32,%d", address.c_str(), PINGNUM, (10*PINGDELAY)); response = sendCommand(buffer,PINGDELAY*10000); if(response.find("OK") != std::string::npos) { //Not sure if I need a wait here, or if it is included in the sendcommand wait time return true; } return false; } Code EasyIP::setSocketCloseable(bool enabled) { return MTS_SUCCESS; }