![](/media/cache/profiles/1006ff12c465532f8c574aeaa4461b16.50x50_q85.jpg)
A test program for PS2 library.
mylib/PS2/PS2KB_INIT.h
- Committer:
- shintamainjp
- Date:
- 2010-10-13
- Revision:
- 4:47b51250a168
File content as of revision 4:47b51250a168:
/** * PS/2 keyboard interface control class (Version 0.0.1) * * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) * http://shinta.main.jp/ */ #ifndef _PS2KB_INIT_H_ #define _PS2KB_INIT_H_ #include "mbed.h" /** * PS2 keyboard initializer. */ class PS2KB_INIT { public: /** * Create. */ PS2KB_INIT(PinName clk_pin, PinName dat_pin); /** * Destroy. */ ~PS2KB_INIT(); private: DigitalInOut clk; DigitalInOut dat; static const int MAX_RETRY = 1000000; /** * Send a byte data. * * @param c a character. * * @return Negative value is a error number. */ int send(uint8_t c); /** * Receive a byte data. * * @return return a data. Negative value is a error number. */ int recv(void); /** * Wait a clock down edge. * * @return true if wait done. */ bool waitClockDownEdge(void); /** * Wait a clock up level. * * @return true if wait done. */ bool waitClockUpLevel(void); }; #endif