使用普通IO口作为红外发射和红外接收功能
Dependents: Nucleo_F411RE_OS_Robot_Tank
ReceiverIR.h@0:355a854280cd, 2018-06-19 (annotated)
- Committer:
- adaphoto
- Date:
- Tue Jun 19 12:24:24 2018 +0000
- Revision:
- 0:355a854280cd
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Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
adaphoto | 0:355a854280cd | 1 | /** |
adaphoto | 0:355a854280cd | 2 | * IR receiver (Version 0.0.4) |
adaphoto | 0:355a854280cd | 3 | * |
adaphoto | 0:355a854280cd | 4 | * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) |
adaphoto | 0:355a854280cd | 5 | * http://shinta.main.jp/ |
adaphoto | 0:355a854280cd | 6 | */ |
adaphoto | 0:355a854280cd | 7 | |
adaphoto | 0:355a854280cd | 8 | #ifndef _RECEIVER_IR_H_ |
adaphoto | 0:355a854280cd | 9 | #define _RECEIVER_IR_H_ |
adaphoto | 0:355a854280cd | 10 | |
adaphoto | 0:355a854280cd | 11 | #include <mbed.h> |
adaphoto | 0:355a854280cd | 12 | |
adaphoto | 0:355a854280cd | 13 | #include "RemoteIR.h" |
adaphoto | 0:355a854280cd | 14 | |
adaphoto | 0:355a854280cd | 15 | /** |
adaphoto | 0:355a854280cd | 16 | * IR receiver class. |
adaphoto | 0:355a854280cd | 17 | */ |
adaphoto | 0:355a854280cd | 18 | class ReceiverIR { |
adaphoto | 0:355a854280cd | 19 | public: |
adaphoto | 0:355a854280cd | 20 | |
adaphoto | 0:355a854280cd | 21 | /** |
adaphoto | 0:355a854280cd | 22 | * Constructor. |
adaphoto | 0:355a854280cd | 23 | * |
adaphoto | 0:355a854280cd | 24 | * @param rxpin Pin for receive IR signal. |
adaphoto | 0:355a854280cd | 25 | */ |
adaphoto | 0:355a854280cd | 26 | explicit ReceiverIR(PinName rxpin); |
adaphoto | 0:355a854280cd | 27 | |
adaphoto | 0:355a854280cd | 28 | /** |
adaphoto | 0:355a854280cd | 29 | * Destructor. |
adaphoto | 0:355a854280cd | 30 | */ |
adaphoto | 0:355a854280cd | 31 | ~ReceiverIR(); |
adaphoto | 0:355a854280cd | 32 | |
adaphoto | 0:355a854280cd | 33 | /** |
adaphoto | 0:355a854280cd | 34 | * State. |
adaphoto | 0:355a854280cd | 35 | */ |
adaphoto | 0:355a854280cd | 36 | typedef enum { |
adaphoto | 0:355a854280cd | 37 | Idle, |
adaphoto | 0:355a854280cd | 38 | Receiving, |
adaphoto | 0:355a854280cd | 39 | Received |
adaphoto | 0:355a854280cd | 40 | } State; |
adaphoto | 0:355a854280cd | 41 | |
adaphoto | 0:355a854280cd | 42 | /** |
adaphoto | 0:355a854280cd | 43 | * Get state. |
adaphoto | 0:355a854280cd | 44 | * |
adaphoto | 0:355a854280cd | 45 | * @return Current state. |
adaphoto | 0:355a854280cd | 46 | */ |
adaphoto | 0:355a854280cd | 47 | State getState(); |
adaphoto | 0:355a854280cd | 48 | |
adaphoto | 0:355a854280cd | 49 | /** |
adaphoto | 0:355a854280cd | 50 | * Get data. |
adaphoto | 0:355a854280cd | 51 | * |
adaphoto | 0:355a854280cd | 52 | * @param format Pointer to format. |
adaphoto | 0:355a854280cd | 53 | * @param buf Buffer of a data. |
adaphoto | 0:355a854280cd | 54 | * @param bitlength Bit length of the buffer. |
adaphoto | 0:355a854280cd | 55 | * |
adaphoto | 0:355a854280cd | 56 | * @return Data bit length. |
adaphoto | 0:355a854280cd | 57 | */ |
adaphoto | 0:355a854280cd | 58 | int getData(RemoteIR::Format *format, uint8_t *buf, int bitlength); |
adaphoto | 0:355a854280cd | 59 | |
adaphoto | 0:355a854280cd | 60 | private: |
adaphoto | 0:355a854280cd | 61 | |
adaphoto | 0:355a854280cd | 62 | typedef struct { |
adaphoto | 0:355a854280cd | 63 | RemoteIR::Format format; |
adaphoto | 0:355a854280cd | 64 | int bitcount; |
adaphoto | 0:355a854280cd | 65 | uint8_t buffer[64]; |
adaphoto | 0:355a854280cd | 66 | } data_t; |
adaphoto | 0:355a854280cd | 67 | |
adaphoto | 0:355a854280cd | 68 | typedef struct { |
adaphoto | 0:355a854280cd | 69 | State state; |
adaphoto | 0:355a854280cd | 70 | int c1; |
adaphoto | 0:355a854280cd | 71 | int c2; |
adaphoto | 0:355a854280cd | 72 | int c3; |
adaphoto | 0:355a854280cd | 73 | int d1; |
adaphoto | 0:355a854280cd | 74 | int d2; |
adaphoto | 0:355a854280cd | 75 | } work_t; |
adaphoto | 0:355a854280cd | 76 | |
adaphoto | 0:355a854280cd | 77 | InterruptIn evt; /**< Interrupt based input for input. */ |
adaphoto | 0:355a854280cd | 78 | Timer timer; /**< Timer for WDT. */ |
adaphoto | 0:355a854280cd | 79 | Ticker ticker; /**< Tciker for tick. */ |
adaphoto | 0:355a854280cd | 80 | Timeout timeout; /**< Timeout for tail. */ |
adaphoto | 0:355a854280cd | 81 | |
adaphoto | 0:355a854280cd | 82 | data_t data; |
adaphoto | 0:355a854280cd | 83 | work_t work; |
adaphoto | 0:355a854280cd | 84 | |
adaphoto | 0:355a854280cd | 85 | void init_state(void); |
adaphoto | 0:355a854280cd | 86 | |
adaphoto | 0:355a854280cd | 87 | void isr_wdt(void); |
adaphoto | 0:355a854280cd | 88 | void isr_fall(void); |
adaphoto | 0:355a854280cd | 89 | void isr_rise(void); |
adaphoto | 0:355a854280cd | 90 | |
adaphoto | 0:355a854280cd | 91 | /** |
adaphoto | 0:355a854280cd | 92 | * ISR timeout for tail detection. |
adaphoto | 0:355a854280cd | 93 | */ |
adaphoto | 0:355a854280cd | 94 | void isr_timeout(void); |
adaphoto | 0:355a854280cd | 95 | |
adaphoto | 0:355a854280cd | 96 | }; |
adaphoto | 0:355a854280cd | 97 | |
adaphoto | 0:355a854280cd | 98 | #endif |