Used in Live Traffic Update Nokia LCD Display Project
Fork of NetServices by
Diff: drv/at/ATIf.h
- Revision:
- 0:ac1725ba162c
diff -r 000000000000 -r ac1725ba162c drv/at/ATIf.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drv/at/ATIf.h Tue Nov 09 20:54:15 2010 +0000 @@ -0,0 +1,130 @@ + +/* +Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) + +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. +*/ + +#ifndef ATIF_H +#define ATIF_H + +#include "netCfg.h" + +#include "mbed.h" +#include "drv/serial/buf/SerialBuf.h" +#include <list> +using std::list; + +//class Serial; //Pb w forward decl + +enum ATErr +{ + __AT_MIN = -0xFFFF, + AT_CLOSED, + AT_NOANSWER, + AT_ERROR, + AT_TIMEOUT, + AT_BUSY, + AT_PARSE, + AT_INCOMPLETE, + AT_OK = 0 +}; + +class ATIf : public SerialBuf +{ + public: + + ATIf(); + virtual ~ATIf(); + +#if 0 + template<class T> + //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 + //Linker bug : Must be defined here :( + 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 + { + ATSigHandler sig(sigName, (ATSigHandler::CDummy*)pItem, (bool (ATSigHandler::CDummy::*)(ATIf*, bool, bool*))pMethod); + m_signals.push_back(sig); + } + void detachSignal( const char* sigName ); +#endif + + ATErr open(Serial* pSerial); //Deactivate echo, etc + #if NET_USB_SERIAL + ATErr open(UsbSerial* pUsbSerial); //Deactivate echo, etc + #endif + ATErr close(); //Release port + + int printf(const char* format, ... ); + int scanf(const char* format, ... ); + void setTimeout(int timeout); //used by scanf + void setLineMode(bool lineMode); //Switch btw line & raw fns + //void setSignals(bool signalsEnable); + ATErr flushBuffer(); //Discard input buffer + ATErr flushLine(int timeout); //Discard input buffer until CRLF is encountered + + protected: + //virtual bool onRead(); //Inherited from SerialBuf, return true if data is incomplete + ATErr rawOpen(Serial* pSerial, int baudrate); //Simple open function for similar non-conforming protocols + + public: +/* ATErr command(const char* cmd, char* result, int resultLen, int timeout); */ //Kinda useless + ATErr write(const char* cmd, bool lineMode = false); + ATErr read(char* result, int resultMaxLen, int timeout, bool lineMode = false, int resultMinLen = 0); + bool isOpen(); + ATErr checkOK(); //Helper fn to quickly check that OK has been returned + + private: + int readLine(char* line, int maxLen, int timeout); //Read a single line from serial port + int writeLine(const char* line); //Write a single line to serial port + + int readRaw(char* str, int maxLen, int timeout = 0, int minLen = 0); //Read from serial port in buf + int writeRaw(const char* str); //Write directly to serial port + + volatile int m_readTimeout; + volatile bool m_lineMode; + //bool m_signalsEnable; + bool m_isOpen; + + char* m_tmpBuf; + +#if 0 + class ATSigHandler + { + class CDummy; + public: + ATSigHandler(const char* name, CDummy* cbObj, bool (CDummy::*cbMeth)(ATIf* pIf, bool beg, bool* pMoreData)) : m_cbObj(cbObj), m_cbMeth(cbMeth), m_name(name) + {} + protected: + CDummy* m_cbObj; + 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 + const char* m_name; + + friend class ATIf; + }; + + volatile ATSigHandler* m_pCurrentSignal; //Signal that asked more data + + bool handleSignal(); //Returns true if signal has been handled + list<ATSigHandler> m_signals; +#endif + +}; + +#endif