embedded
/
RemoteIR
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ReceiverIR.h@11:268cc2ab63bd, 2010-09-20 (annotated)
- Committer:
- shintamainjp
- Date:
- Mon Sep 20 00:54:59 2010 +0000
- Revision:
- 11:268cc2ab63bd
- Parent:
- 10:c54fb1204d1e
- Child:
- 12:96209c979a7f
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shintamainjp | 0:ec264f4ce158 | 1 | /** |
| shintamainjp | 9:dcfdac59ef74 | 2 | * IR receiver (Version 0.0.4) |
| shintamainjp | 0:ec264f4ce158 | 3 | * |
| shintamainjp | 0:ec264f4ce158 | 4 | * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) |
| shintamainjp | 0:ec264f4ce158 | 5 | * http://shinta.main.jp/ |
| shintamainjp | 0:ec264f4ce158 | 6 | */ |
| shintamainjp | 0:ec264f4ce158 | 7 | |
| shintamainjp | 0:ec264f4ce158 | 8 | #ifndef _RECEIVER_IR_H_ |
| shintamainjp | 0:ec264f4ce158 | 9 | #define _RECEIVER_IR_H_ |
| shintamainjp | 0:ec264f4ce158 | 10 | |
| shintamainjp | 0:ec264f4ce158 | 11 | #include <mbed.h> |
| shintamainjp | 0:ec264f4ce158 | 12 | |
| shintamainjp | 0:ec264f4ce158 | 13 | #include "RemoteIR.h" |
| shintamainjp | 0:ec264f4ce158 | 14 | |
| shintamainjp | 0:ec264f4ce158 | 15 | /** |
| shintamainjp | 0:ec264f4ce158 | 16 | * IR receiver class. |
| shintamainjp | 0:ec264f4ce158 | 17 | */ |
| shintamainjp | 0:ec264f4ce158 | 18 | class ReceiverIR { |
| shintamainjp | 0:ec264f4ce158 | 19 | public: |
| shintamainjp | 0:ec264f4ce158 | 20 | |
| shintamainjp | 0:ec264f4ce158 | 21 | /** |
| shintamainjp | 0:ec264f4ce158 | 22 | * Constructor. |
| shintamainjp | 0:ec264f4ce158 | 23 | * |
| shintamainjp | 0:ec264f4ce158 | 24 | * @param rxpin Pin for receive IR signal. |
| shintamainjp | 0:ec264f4ce158 | 25 | */ |
| shintamainjp | 0:ec264f4ce158 | 26 | explicit ReceiverIR(PinName rxpin); |
| shintamainjp | 0:ec264f4ce158 | 27 | |
| shintamainjp | 0:ec264f4ce158 | 28 | /** |
| shintamainjp | 0:ec264f4ce158 | 29 | * Destructor. |
| shintamainjp | 0:ec264f4ce158 | 30 | */ |
| shintamainjp | 0:ec264f4ce158 | 31 | ~ReceiverIR(); |
| shintamainjp | 0:ec264f4ce158 | 32 | |
| shintamainjp | 0:ec264f4ce158 | 33 | /** |
| shintamainjp | 0:ec264f4ce158 | 34 | * State. |
| shintamainjp | 0:ec264f4ce158 | 35 | */ |
| shintamainjp | 0:ec264f4ce158 | 36 | typedef enum { |
| shintamainjp | 0:ec264f4ce158 | 37 | Idle, |
| shintamainjp | 0:ec264f4ce158 | 38 | Receiving, |
| shintamainjp | 0:ec264f4ce158 | 39 | Received |
| shintamainjp | 0:ec264f4ce158 | 40 | } State; |
| shintamainjp | 0:ec264f4ce158 | 41 | |
| shintamainjp | 0:ec264f4ce158 | 42 | /** |
| shintamainjp | 0:ec264f4ce158 | 43 | * Get state. |
| shintamainjp | 0:ec264f4ce158 | 44 | * |
| shintamainjp | 0:ec264f4ce158 | 45 | * @return Current state. |
| shintamainjp | 0:ec264f4ce158 | 46 | */ |
| shintamainjp | 0:ec264f4ce158 | 47 | State getState(); |
| shintamainjp | 0:ec264f4ce158 | 48 | |
| shintamainjp | 0:ec264f4ce158 | 49 | /** |
| shintamainjp | 0:ec264f4ce158 | 50 | * Get data. |
| shintamainjp | 0:ec264f4ce158 | 51 | * |
| shintamainjp | 0:ec264f4ce158 | 52 | * @param format Pointer to format. |
| shintamainjp | 8:46e34d6ddbe4 | 53 | * @param buf Buffer of a data. |
| shintamainjp | 4:2304646f6ff5 | 54 | * @param bitlength Bit length of the buffer. |
| shintamainjp | 0:ec264f4ce158 | 55 | * |
| shintamainjp | 0:ec264f4ce158 | 56 | * @return Data bit length. |
| shintamainjp | 0:ec264f4ce158 | 57 | */ |
| shintamainjp | 4:2304646f6ff5 | 58 | int getData(RemoteIR::Format *format, uint8_t *buf, int bitlength); |
| shintamainjp | 0:ec264f4ce158 | 59 | |
| shintamainjp | 0:ec264f4ce158 | 60 | private: |
| shintamainjp | 0:ec264f4ce158 | 61 | |
| shintamainjp | 0:ec264f4ce158 | 62 | typedef struct { |
| shintamainjp | 0:ec264f4ce158 | 63 | RemoteIR::Format format; |
| shintamainjp | 0:ec264f4ce158 | 64 | int bitcount; |
| shintamainjp | 0:ec264f4ce158 | 65 | uint8_t buffer[64]; |
| shintamainjp | 0:ec264f4ce158 | 66 | } data_t; |
| shintamainjp | 0:ec264f4ce158 | 67 | |
| shintamainjp | 0:ec264f4ce158 | 68 | typedef struct { |
| shintamainjp | 9:dcfdac59ef74 | 69 | State state; |
| shintamainjp | 0:ec264f4ce158 | 70 | int c1; |
| shintamainjp | 0:ec264f4ce158 | 71 | int c2; |
| shintamainjp | 0:ec264f4ce158 | 72 | int c3; |
| shintamainjp | 0:ec264f4ce158 | 73 | int d1; |
| shintamainjp | 0:ec264f4ce158 | 74 | int d2; |
| shintamainjp | 0:ec264f4ce158 | 75 | } work_t; |
| shintamainjp | 0:ec264f4ce158 | 76 | |
| shintamainjp | 0:ec264f4ce158 | 77 | InterruptIn evt; /**< Interrupt based input for input. */ |
| shintamainjp | 0:ec264f4ce158 | 78 | Timer timer; /**< Timer for WDT. */ |
| shintamainjp | 0:ec264f4ce158 | 79 | Ticker ticker; /**< Tciker for tick. */ |
| shintamainjp | 0:ec264f4ce158 | 80 | Timeout timeout; /**< Timeout for tail. */ |
| shintamainjp | 0:ec264f4ce158 | 81 | |
| shintamainjp | 0:ec264f4ce158 | 82 | data_t data; |
| shintamainjp | 0:ec264f4ce158 | 83 | work_t work; |
| shintamainjp | 0:ec264f4ce158 | 84 | |
| shintamainjp | 0:ec264f4ce158 | 85 | void init_state(void); |
| shintamainjp | 0:ec264f4ce158 | 86 | |
| shintamainjp | 0:ec264f4ce158 | 87 | void isr_wdt(void); |
| shintamainjp | 0:ec264f4ce158 | 88 | void isr_fall(void); |
| shintamainjp | 0:ec264f4ce158 | 89 | void isr_rise(void); |
| shintamainjp | 0:ec264f4ce158 | 90 | |
| shintamainjp | 0:ec264f4ce158 | 91 | /** |
| shintamainjp | 0:ec264f4ce158 | 92 | * ISR timeout for tail detection. |
| shintamainjp | 0:ec264f4ce158 | 93 | */ |
| shintamainjp | 0:ec264f4ce158 | 94 | void isr_timeout(void); |
| shintamainjp | 0:ec264f4ce158 | 95 | |
| shintamainjp | 0:ec264f4ce158 | 96 | }; |
| shintamainjp | 0:ec264f4ce158 | 97 | |
| shintamainjp | 0:ec264f4ce158 | 98 | #endif |