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/*
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Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef ATIF_H
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#define ATIF_H
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#include "netCfg.h"
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#include "mbed.h"
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#include "drv/serial/buf/SerialBuf.h"
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#include <list>
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using std::list;
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//class Serial; //Pb w forward decl
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enum ATErr
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{
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__AT_MIN = -0xFFFF,
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AT_CLOSED,
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AT_NOANSWER,
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AT_ERROR,
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AT_TIMEOUT,
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AT_BUSY,
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AT_PARSE,
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AT_INCOMPLETE,
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AT_OK = 0
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};
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class ATIf : public SerialBuf
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{
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public:
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ATIf();
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virtual ~ATIf();
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#if 0
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template<class T>
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//void attachSignal( const char* sigName, T* pItem, bool (T::*pMethod)(ATIf*, bool, bool*) ); //Attach Signal ("Unsollicited response code" in Telit_AT_Reference_Guide.pdf) to an handler fn
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//Linker bug : Must be defined here :(
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void attachSignal( const char* sigName, T* pItem, bool (T::*pMethod)(ATIf*, bool, bool*) ) //Attach Signal ("Unsollicited response code" in Telit_AT_Reference_Guide.pdf) to an handler fn
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{
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ATSigHandler sig(sigName, (ATSigHandler::CDummy*)pItem, (bool (ATSigHandler::CDummy::*)(ATIf*, bool, bool*))pMethod);
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m_signals.push_back(sig);
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}
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void detachSignal( const char* sigName );
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#endif
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ATErr open(Serial* pSerial); //Deactivate echo, etc
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#if NET_USB_SERIAL
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ATErr open(UsbSerial* pUsbSerial); //Deactivate echo, etc
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#endif
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ATErr close(); //Release port
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int printf(const char* format, ... );
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int scanf(const char* format, ... );
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void setTimeout(int timeout); //used by scanf
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void setLineMode(bool lineMode); //Switch btw line & raw fns
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//void setSignals(bool signalsEnable);
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ATErr flushBuffer(); //Discard input buffer
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ATErr flushLine(int timeout); //Discard input buffer until CRLF is encountered
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protected:
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//virtual bool onRead(); //Inherited from SerialBuf, return true if data is incomplete
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ATErr rawOpen(Serial* pSerial, int baudrate); //Simple open function for similar non-conforming protocols
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public:
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/* ATErr command(const char* cmd, char* result, int resultLen, int timeout); */ //Kinda useless
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ATErr write(const char* cmd, bool lineMode = false);
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ATErr read(char* result, int resultMaxLen, int timeout, bool lineMode = false, int resultMinLen = 0);
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bool isOpen();
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ATErr checkOK(); //Helper fn to quickly check that OK has been returned
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private:
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int readLine(char* line, int maxLen, int timeout); //Read a single line from serial port
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int writeLine(const char* line); //Write a single line to serial port
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int readRaw(char* str, int maxLen, int timeout = 0, int minLen = 0); //Read from serial port in buf
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int writeRaw(const char* str); //Write directly to serial port
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volatile int m_readTimeout;
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volatile bool m_lineMode;
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//bool m_signalsEnable;
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bool m_isOpen;
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char* m_tmpBuf;
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#if 0
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class ATSigHandler
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{
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class CDummy;
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public:
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ATSigHandler(const char* name, CDummy* cbObj, bool (CDummy::*cbMeth)(ATIf* pIf, bool beg, bool* pMoreData)) : m_cbObj(cbObj), m_cbMeth(cbMeth), m_name(name)
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{}
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protected:
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CDummy* m_cbObj;
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bool (CDummy::*m_cbMeth)(ATIf* pIf, bool beg, bool* pMoreData); //*pMoreData set to true if needs to read next line, beg = true if beginning of new code
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const char* m_name;
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friend class ATIf;
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};
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volatile ATSigHandler* m_pCurrentSignal; //Signal that asked more data
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bool handleSignal(); //Returns true if signal has been handled
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list<ATSigHandler> m_signals;
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#endif
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};
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#endif
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