UartReceiver.h

00001 #ifndef _UARTRECEIVER_H_
00002 #define _UARTRECEIVER_H_
00003 
00004 
00005 /** --- Includes --- */
00006 #include "mbed.h"
00007 
00008 /** --- Global Structs --- */
00009 class UartReceiver
00010 {
00011 private:
00012     /** defines */
00013     static const int RXBUF_SIZE = 64;
00014     static const int RXBUF_NEST = 4;
00015     static const int BufOpen    = 0;
00016     static const int BufFixed   = 1;
00017 public:
00018     static const int MaxStr = (RXBUF_SIZE - 1);
00019 
00020 private:
00021     /** varialbles */
00022     Serial *pUart;
00023     void(*pLineHandler)(char*);
00024     char inner_buffer[RXBUF_NEST][RXBUF_SIZE];
00025     int nesthead;
00026     int nesttail;
00027     int tail;
00028     int head;
00029     
00030 private:
00031     /* Constructor(CouldNotUse) */
00032     UartReceiver(void);
00033 
00034 public:
00035     /* Constructor(Accepted) */
00036     UartReceiver(Serial *pSetUart);
00037     /* Start Receiving */
00038     void run(void);
00039     /* Stop Receiving */
00040     void stop(void);
00041     /* set Line Handler */
00042     void* setLineHandler(void(*setLineHandler)(char*));
00043     /* Export Fixed Buffer Pointer */
00044     char* dequeue_str(void);
00045     /* Recv char from UART and Concat to Liquid Buffer */
00046     void concat();
00047     /* Get Pointer */
00048     Serial *getCurrentUart(void);
00049 private:
00050     /* Concat to Liquid Buffer */
00051     /** return UartReceiver::BufFixed, UartReceiver::BufOpen */
00052     int enqueue_ch(char ch);
00053 };
00054 
00055 
00056 #endif /* _UARTRECEIVER_H_ */