Diff: drv/at/ATIf.h

Revision:

0:350011bf8be7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/drv/at/ATIf.h	Tue Nov 23 14:15:36 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