William Johnston
PS2 Library
PS2MS_INIT.h@0:ce15490e89e9, 2011-02-27 (annotated)
- Committer:
- wjohnsto
- Date:
- Sun Feb 27 23:34:31 2011 +0000
- Revision:
- 0:ce15490e89e9
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| wjohnsto | 0:ce15490e89e9 | 1 | /** |
| wjohnsto | 0:ce15490e89e9 | 2 | * PS/2 mouse interface control class (Version 0.0.1) |
| wjohnsto | 0:ce15490e89e9 | 3 | * |
| wjohnsto | 0:ce15490e89e9 | 4 | * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) |
| wjohnsto | 0:ce15490e89e9 | 5 | * http://shinta.main.jp/ |
| wjohnsto | 0:ce15490e89e9 | 6 | */ |
| wjohnsto | 0:ce15490e89e9 | 7 | #ifndef _PS2MS_INIT_H_ |
| wjohnsto | 0:ce15490e89e9 | 8 | #define _PS2MS_INIT_H_ |
| wjohnsto | 0:ce15490e89e9 | 9 | |
| wjohnsto | 0:ce15490e89e9 | 10 | #include "mbed.h" |
| wjohnsto | 0:ce15490e89e9 | 11 | |
| wjohnsto | 0:ce15490e89e9 | 12 | /** |
| wjohnsto | 0:ce15490e89e9 | 13 | * PS2 mouse initializer. |
| wjohnsto | 0:ce15490e89e9 | 14 | */ |
| wjohnsto | 0:ce15490e89e9 | 15 | class PS2MS_INIT { |
| wjohnsto | 0:ce15490e89e9 | 16 | public: |
| wjohnsto | 0:ce15490e89e9 | 17 | |
| wjohnsto | 0:ce15490e89e9 | 18 | /** |
| wjohnsto | 0:ce15490e89e9 | 19 | * Create. |
| wjohnsto | 0:ce15490e89e9 | 20 | */ |
| wjohnsto | 0:ce15490e89e9 | 21 | PS2MS_INIT(PinName clk_pin, PinName dat_pin); |
| wjohnsto | 0:ce15490e89e9 | 22 | |
| wjohnsto | 0:ce15490e89e9 | 23 | /** |
| wjohnsto | 0:ce15490e89e9 | 24 | * Destroy. |
| wjohnsto | 0:ce15490e89e9 | 25 | */ |
| wjohnsto | 0:ce15490e89e9 | 26 | ~PS2MS_INIT(); |
| wjohnsto | 0:ce15490e89e9 | 27 | private: |
| wjohnsto | 0:ce15490e89e9 | 28 | DigitalInOut clk; |
| wjohnsto | 0:ce15490e89e9 | 29 | DigitalInOut dat; |
| wjohnsto | 0:ce15490e89e9 | 30 | |
| wjohnsto | 0:ce15490e89e9 | 31 | static const int MAX_RETRY = 1000000; |
| wjohnsto | 0:ce15490e89e9 | 32 | |
| wjohnsto | 0:ce15490e89e9 | 33 | /** |
| wjohnsto | 0:ce15490e89e9 | 34 | * Send a byte data. |
| wjohnsto | 0:ce15490e89e9 | 35 | * |
| wjohnsto | 0:ce15490e89e9 | 36 | * @param c a character. |
| wjohnsto | 0:ce15490e89e9 | 37 | * |
| wjohnsto | 0:ce15490e89e9 | 38 | * @return Negative value is a error number. |
| wjohnsto | 0:ce15490e89e9 | 39 | */ |
| wjohnsto | 0:ce15490e89e9 | 40 | int send(uint8_t c); |
| wjohnsto | 0:ce15490e89e9 | 41 | |
| wjohnsto | 0:ce15490e89e9 | 42 | /** |
| wjohnsto | 0:ce15490e89e9 | 43 | * Receive a byte data. |
| wjohnsto | 0:ce15490e89e9 | 44 | * |
| wjohnsto | 0:ce15490e89e9 | 45 | * @return return a data. Negative value is a error number. |
| wjohnsto | 0:ce15490e89e9 | 46 | */ |
| wjohnsto | 0:ce15490e89e9 | 47 | int recv(void); |
| wjohnsto | 0:ce15490e89e9 | 48 | |
| wjohnsto | 0:ce15490e89e9 | 49 | /** |
| wjohnsto | 0:ce15490e89e9 | 50 | * Wait a clock down edge. |
| wjohnsto | 0:ce15490e89e9 | 51 | * |
| wjohnsto | 0:ce15490e89e9 | 52 | * @return true if wait done. |
| wjohnsto | 0:ce15490e89e9 | 53 | */ |
| wjohnsto | 0:ce15490e89e9 | 54 | bool waitClockDownEdge(void); |
| wjohnsto | 0:ce15490e89e9 | 55 | |
| wjohnsto | 0:ce15490e89e9 | 56 | /** |
| wjohnsto | 0:ce15490e89e9 | 57 | * Wait a clock up level. |
| wjohnsto | 0:ce15490e89e9 | 58 | * |
| wjohnsto | 0:ce15490e89e9 | 59 | * @return true if wait done. |
| wjohnsto | 0:ce15490e89e9 | 60 | */ |
| wjohnsto | 0:ce15490e89e9 | 61 | bool waitClockUpLevel(void); |
| wjohnsto | 0:ce15490e89e9 | 62 | }; |
| wjohnsto | 0:ce15490e89e9 | 63 | |
| wjohnsto | 0:ce15490e89e9 | 64 | #endif |