iSerial.h

00001 //
00002 //  iSerial.h ... Serial Driver with Interrupt Rec/Send
00003 //
00004 //  Copyright 2012  Yoji KURODA
00005 //
00006 //  2009.11.13 ... Originally written by Y.Kuroda for Renesas H83664
00007 //  2012.08.31 ... Code convert for mbed in C++
00008 //  2015.01.02 ... Added other mbed code by JH1PJL
00009 //  2016.11.11 ... Added STM32F746 with durty solution
00010 //
00011 #ifndef _ISERIAL_H
00012 #define _ISERIAL_H
00013 
00014 #include <string.h>
00015 #include "RingBuffer.h"
00016 
00017 /** iSerial class
00018  *
00019  * @code
00020  * #include "mbed.h"
00021  * #include "iSerial.h"
00022  *
00023  * iSerial     pc(USBTX, USBRX, 32, 1024);
00024  * 
00025  * int main() {
00026  * uint32_t n = 0;
00027  *    
00028  *     while(true){
00029  *          pc.printf("count n=%d", ++n);
00030  *          wait(1.0);
00031  *     } 
00032  * }
00033  *  @endcode
00034  */
00035 
00036 class iSerial : public Serial {
00037   protected:
00038 
00039     PinName tx;
00040     PinName rx;
00041     const int txbufsize;
00042     const int rxbufsize;
00043     RingBuffer txbuf;
00044     RingBuffer rxbuf;
00045     char* str;
00046 
00047     void tx_handler(void);
00048     void rx_handler(void);
00049     void enable_uart_irq(void);
00050     void disable_uart_irq(void);
00051 
00052   public:
00053 
00054     enum TERMINL_CODES { CR=0x0D, LF=0x0A };
00055 
00056     /** Configure pin and buffer size
00057       * @param pin assign TX, RX the buffer size for TX, RX
00058       */
00059     iSerial(PinName _tx, PinName _rx, int _txbufsize=100, int _rxbufsize=100);
00060     
00061     virtual ~iSerial();
00062     
00063     short int putstr(const char* s);
00064     int readable(void);
00065     int getc(void);
00066     void putc(short ch);
00067     short int puts(const char* s);
00068     //void printf();
00069     char* printf(const char* format, ...);
00070 
00071     void flush(void);
00072 };
00073 
00074 #endif    /* _ISERIAL_H */