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ワークショップ用に公開しているものです。
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Diff: SoftSerialSendOnly/SoftSerialSendOnry.h
- Revision:
- 9:5a7dca00d87b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SoftSerialSendOnly/SoftSerialSendOnry.h Sat Feb 27 05:38:49 2016 +0000 @@ -0,0 +1,105 @@ +#ifndef SOFTSERIAL_SEND_ONRY_H +#define SOFTSERIAL_SEND_ONRY_H + +#include "mbed.h" +#include "SoftSerial_Ticker.h" +/** A software serial implementation + * + */ +class SoftSerialSendOnry: public Stream { + +public: + /** + * Constructor + * + * @param TX Name of the TX pin, NC for not connected + * @param name Name of the connection + */ + SoftSerialSendOnry(PinName TX, const char* name = NULL); + virtual ~SoftSerialSendOnry(); + + /** Set the baud rate of the serial port + * + * @param baudrate The baudrate of the serial port (default = 9600). + */ + void baud(int baudrate); + + enum Parity { + None = 0, + Odd, + Even, + Forced1, + Forced0 + }; + + enum IrqType { + RxIrq = 0, + TxIrq + }; + + /** Set the transmission format used by the serial port + * + * @param bits The number of bits in a word (default = 8) + * @param parity The parity used (SerialBase::None, SerialBase::Odd, SerialBase::Even, SerialBase::Forced1, SerialBase::Forced0; default = SerialBase::None) + * @param stop The number of stop bits (default = 1) + */ + void format(int bits=8, Parity parity=SoftSerialSendOnry::None, int stop_bits=1); + + /** Determine if there is space available to write a character + * + * @returns + * 1 if there is space to write a character, + * 0 otherwise + */ + int writeable(); + + /** Attach a function to call whenever a serial interrupt is generated + * + * @param fptr A pointer to a void function, or 0 to set as none + * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty) + */ + void attach(void (*fptr)(void), IrqType type=RxIrq) { + fpointer[type].attach(fptr); + } + + /** Attach a member function to call whenever a serial interrupt is generated + * + * @param tptr pointer to the object to call the member function on + * @param mptr pointer to the member function to be called + * @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty) + */ + template<typename T> + void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) { + fpointer[type].attach(tptr, mptr); + } + + /** Generate a break condition on the serial line + */ + void send_break(); + +protected: + DigitalOut *tx; + + bool tx_en; + int bit_period; + int _bits, _stop_bits, _total_bits; + Parity _parity; + + FunctionPointer fpointer[2]; + + //tx + void tx_handler(void); + void prepare_tx(int c); + FlexTicker txticker; + int _char; + volatile int tx_bit; + + + + virtual int _getc(); + virtual int _putc(int c); +}; + + +#endif +