miso dengaku / RemoteIR

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of RemoteIR by Shinichiro Nakamura

ReceiverIR.h@12:d86179332137, 2018-03-17 (annotated)

Committer:
misodengaku
Date:
Sat Mar 17 14:42:15 2018 +0000
Revision:
12:d86179332137
Parent:
11:268cc2ab63bd 
support level inversion

Who changed what in which revision?

UserRevisionLine numberNew 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 */
misodengaku 12:d86179332137 26 explicit ReceiverIR(PinName rxpin, bool rxInversion = false);
misodengaku 12:d86179332137 27 bool RxInversion;
shintamainjp 0:ec264f4ce158 28
shintamainjp 0:ec264f4ce158 29 /**
shintamainjp 0:ec264f4ce158 30 * Destructor.
shintamainjp 0:ec264f4ce158 31 */
shintamainjp 0:ec264f4ce158 32 ~ReceiverIR();
shintamainjp 0:ec264f4ce158 33
shintamainjp 0:ec264f4ce158 34 /**
shintamainjp 0:ec264f4ce158 35 * State.
shintamainjp 0:ec264f4ce158 36 */
shintamainjp 0:ec264f4ce158 37 typedef enum {
shintamainjp 0:ec264f4ce158 38 Idle,
shintamainjp 0:ec264f4ce158 39 Receiving,
shintamainjp 0:ec264f4ce158 40 Received
shintamainjp 0:ec264f4ce158 41 } State;
shintamainjp 0:ec264f4ce158 42
shintamainjp 0:ec264f4ce158 43 /**
shintamainjp 0:ec264f4ce158 44 * Get state.
shintamainjp 0:ec264f4ce158 45 *
shintamainjp 0:ec264f4ce158 46 * @return Current state.
shintamainjp 0:ec264f4ce158 47 */
shintamainjp 0:ec264f4ce158 48 State getState();
shintamainjp 0:ec264f4ce158 49
shintamainjp 0:ec264f4ce158 50 /**
shintamainjp 0:ec264f4ce158 51 * Get data.
shintamainjp 0:ec264f4ce158 52 *
shintamainjp 0:ec264f4ce158 53 * @param format Pointer to format.
shintamainjp 8:46e34d6ddbe4 54 * @param buf Buffer of a data.
shintamainjp 4:2304646f6ff5 55 * @param bitlength Bit length of the buffer.
shintamainjp 0:ec264f4ce158 56 *
shintamainjp 0:ec264f4ce158 57 * @return Data bit length.
shintamainjp 0:ec264f4ce158 58 */
shintamainjp 4:2304646f6ff5 59 int getData(RemoteIR::Format *format, uint8_t *buf, int bitlength);
shintamainjp 0:ec264f4ce158 60
shintamainjp 0:ec264f4ce158 61 private:
shintamainjp 0:ec264f4ce158 62
shintamainjp 0:ec264f4ce158 63 typedef struct {
shintamainjp 0:ec264f4ce158 64 RemoteIR::Format format;
shintamainjp 0:ec264f4ce158 65 int bitcount;
shintamainjp 0:ec264f4ce158 66 uint8_t buffer[64];
shintamainjp 0:ec264f4ce158 67 } data_t;
shintamainjp 0:ec264f4ce158 68
shintamainjp 0:ec264f4ce158 69 typedef struct {
shintamainjp 9:dcfdac59ef74 70 State state;
shintamainjp 0:ec264f4ce158 71 int c1;
shintamainjp 0:ec264f4ce158 72 int c2;
shintamainjp 0:ec264f4ce158 73 int c3;
shintamainjp 0:ec264f4ce158 74 int d1;
shintamainjp 0:ec264f4ce158 75 int d2;
shintamainjp 0:ec264f4ce158 76 } work_t;
shintamainjp 0:ec264f4ce158 77
shintamainjp 0:ec264f4ce158 78 InterruptIn evt; /**< Interrupt based input for input. */
shintamainjp 0:ec264f4ce158 79 Timer timer; /**< Timer for WDT. */
shintamainjp 0:ec264f4ce158 80 Ticker ticker; /**< Tciker for tick. */
shintamainjp 0:ec264f4ce158 81 Timeout timeout; /**< Timeout for tail. */
shintamainjp 0:ec264f4ce158 82
shintamainjp 0:ec264f4ce158 83 data_t data;
shintamainjp 0:ec264f4ce158 84 work_t work;
shintamainjp 0:ec264f4ce158 85
shintamainjp 0:ec264f4ce158 86 void init_state(void);
shintamainjp 0:ec264f4ce158 87
shintamainjp 0:ec264f4ce158 88 void isr_wdt(void);
shintamainjp 0:ec264f4ce158 89 void isr_fall(void);
shintamainjp 0:ec264f4ce158 90 void isr_rise(void);
shintamainjp 0:ec264f4ce158 91
shintamainjp 0:ec264f4ce158 92 /**
shintamainjp 0:ec264f4ce158 93 * ISR timeout for tail detection.
shintamainjp 0:ec264f4ce158 94 */
shintamainjp 0:ec264f4ce158 95 void isr_timeout(void);
shintamainjp 0:ec264f4ce158 96
shintamainjp 0:ec264f4ce158 97 };
shintamainjp 0:ec264f4ce158 98
shintamainjp 0:ec264f4ce158 99 #endif