www.pudn.com > HDTV_play_flash.rar > Tserial_event.h
/* ------------------------------------------------------------------------ -- -- -- -- PC serial port connection object -- -- for event-driven programs -- -- -- -- -- -- -- -- Copyright @ 2001-2002 Thierry Schneider -- -- thierry@tetraedre.com -- -- -- -- -- -- -- -- ------------------------------------------------------------------------ -- -- -- -- Filename : Tserial_event.cpp -- -- Author : Thierry Schneider -- -- Created : April 4th 2000 -- -- Modified : June 22nd 2002 -- -- Plateform: Windows 95, 98, NT, 2000, XP (Win32) -- -- ------------------------------------------------------------------------ -- -- -- -- This software is given without any warranty. It can be distributed -- -- free of charge as long as this header remains, unchanged. -- -- -- -- ------------------------------------------------------------------------ -- -- -- -- 01.04.24 Comments added -- -- 01.04.28 Bug 010427 corrected. OnDisconnectedManager was not -- -- initialized -- -- 01.04.28 connect() function prototype modified to handle 7-bit -- -- communication -- -- 01.04.29 "ready" field added to remove a bug that occured during -- -- reconnect (event manager pointers cleared) -- -- I removed the "delete" in Tserial_event_thread_start -- -- because it was destroying the object even if we would -- -- use it again -- -- -- -- 02.01.30 Version 2.0 of the serial event object -- -- -- -- -- -- 02.06.22 - wait for the thread termination before -- -- quiting or restarting -- -- - "owner" field added to be able to call C++ object from -- -- the event manager routine -- -- - Correction of a bug that occured when receiving data -- -- (setting twice the SIG_READ_DONE event) -- -- -- -- -- -- -- -- ------------------------------------------------------------------------ -- -- -- -- Note to Visual C++ users: Don't forget to compile with the -- -- "Multithreaded" option in your project settings -- -- -- -- See Project settings -- -- | -- -- *--- C/C++ -- -- | -- -- *--- Code generation -- -- | -- -- *---- Use run-time library -- -- | -- -- *---- Multithreaded -- -- -- -- -- -- -- -- ------------------------------------------------------------------------ */ #ifndef TSERIAL_EVENT_H #define TSERIAL_EVENT_H #include#include #include "BThread.h" #define SERIAL_PARITY_NONE 0 #define SERIAL_PARITY_ODD 1 #define SERIAL_PARITY_EVEN 2 #define SERIAL_CONNECTED 0 #define SERIAL_DISCONNECTED 1 #define SERIAL_DATA_SENT 2 #define SERIAL_DATA_ARRIVAL 3 #define SERIAL_RING 4 #define SERIAL_CD_ON 5 #define SERIAL_CD_OFF 6 typedef unsigned long uint32; typedef void (*type_myCallBack) (uint32 object, uint32 event); #ifndef __BORLANDC__ #define bool BOOL #define true TRUE #define false FALSE #endif #define SERIAL_SIGNAL_NBR 7 // number of events in the thread #define SERIAL_MAX_RX 1024 //wan old is: 256 // Input buffer max size #define SERIAL_MAX_TX 1024 //256 // output buffer max size /* -------------------------------------------------------------------- */ /* ----------------------------- Tserial ---------------------------- */ /* -------------------------------------------------------------------- */ class Tserial_event { // -------------------------------------------------------- // public: bool ready; bool check_modem; char port[10]; // port name "com1",... int rate; // baudrate int parityMode; HANDLE serial_events[SERIAL_SIGNAL_NBR]; // events to wait on unsigned int threadid; // ... HANDLE serial_handle; // ... HANDLE thread_handle; // ... OVERLAPPED ovReader; // Overlapped structure for ReadFile OVERLAPPED ovWriter; // Overlapped structure for WriteFile OVERLAPPED ovWaitEvent; // Overlapped structure for WaitCommEvent char tx_in_progress; // BOOL indicating if a WriteFile is char rx_in_progress; // BOOL indicating if a ReadFile is char WaitCommEventInProgress; char rxBuffer[SERIAL_MAX_RX]; int max_rx_size; int received_size; char txBuffer[SERIAL_MAX_TX]; int tx_size; DWORD dwCommEvent; // to store the result of the wait // ............................................................ void OnCharArrival (char c); void OnEvent (unsigned long events); // ++++++++++++++++++++++++++++++++++++++++++++++ // .................. EXTERNAL VIEW ............. // ++++++++++++++++++++++++++++++++++++++++++++++ public: type_myCallBack manager; void *owner; // do what you want with this void run (void); Tserial_event(); ~Tserial_event(); int connect (char *port, int rate, int parity, char ByteSize, bool modem_events); void setManager (type_myCallBack manager); void setRxSize (int size); void sendData (char *buffer, int size); int getNbrOfBytes (void); int getDataInSize (void); char * getDataInBuffer (void); void dataHasBeenRead (void); void disconnect (void); BThread * MyThread; bool FirstTime; int SPoint; //一个一个字节发送，指针；字节间等待2ms }; /* -------------------------------------------------------------------- */ #endif TSERIAL_EVENT_H