Shinichiro Nakamura
ChoroQ
TransmitterChoroQ.cpp@1:97921a2adf78, 2010-09-19 (annotated)
- Committer:
- shintamainjp
- Date:
- Sun Sep 19 23:49:38 2010 +0000
- Revision:
- 1:97921a2adf78
- Parent:
- 0:2a40e6db61c2
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shintamainjp | 0:2a40e6db61c2 | 1 | /** |
| shintamainjp | 0:2a40e6db61c2 | 2 | * CHORO Q HYBRID transmitter (Version 0.0.1) |
| shintamainjp | 0:2a40e6db61c2 | 3 | * |
| shintamainjp | 0:2a40e6db61c2 | 4 | * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) |
| shintamainjp | 0:2a40e6db61c2 | 5 | * http://shinta.main.jp/ |
| shintamainjp | 0:2a40e6db61c2 | 6 | */ |
| shintamainjp | 0:2a40e6db61c2 | 7 | |
| shintamainjp | 0:2a40e6db61c2 | 8 | #include "TransmitterChoroQ.h" |
| shintamainjp | 0:2a40e6db61c2 | 9 | |
| shintamainjp | 0:2a40e6db61c2 | 10 | #define LOCK() |
| shintamainjp | 0:2a40e6db61c2 | 11 | #define UNLOCK() |
| shintamainjp | 0:2a40e6db61c2 | 12 | |
| shintamainjp | 0:2a40e6db61c2 | 13 | /** |
| shintamainjp | 0:2a40e6db61c2 | 14 | * Constructor. |
| shintamainjp | 0:2a40e6db61c2 | 15 | * |
| shintamainjp | 0:2a40e6db61c2 | 16 | * @param txpin Pin for transmit IR signal. |
| shintamainjp | 0:2a40e6db61c2 | 17 | */ |
| shintamainjp | 0:2a40e6db61c2 | 18 | TransmitterChoroQ::TransmitterChoroQ(PinName txpin) : tx(txpin) { |
| shintamainjp | 0:2a40e6db61c2 | 19 | tx.write(0.0); |
| shintamainjp | 0:2a40e6db61c2 | 20 | tx.period_us(26.3); |
| shintamainjp | 0:2a40e6db61c2 | 21 | |
| shintamainjp | 0:2a40e6db61c2 | 22 | work.state = Idle; |
| shintamainjp | 0:2a40e6db61c2 | 23 | work.bitcount = 0; |
| shintamainjp | 0:2a40e6db61c2 | 24 | work.leader = 0; |
| shintamainjp | 0:2a40e6db61c2 | 25 | work.data = 0; |
| shintamainjp | 0:2a40e6db61c2 | 26 | work.trailer = 0; |
| shintamainjp | 0:2a40e6db61c2 | 27 | |
| shintamainjp | 0:2a40e6db61c2 | 28 | data.bitlength = 0; |
| shintamainjp | 0:2a40e6db61c2 | 29 | } |
| shintamainjp | 0:2a40e6db61c2 | 30 | |
| shintamainjp | 0:2a40e6db61c2 | 31 | /** |
| shintamainjp | 0:2a40e6db61c2 | 32 | * Destructor. |
| shintamainjp | 0:2a40e6db61c2 | 33 | */ |
| shintamainjp | 0:2a40e6db61c2 | 34 | TransmitterChoroQ::~TransmitterChoroQ() { |
| shintamainjp | 0:2a40e6db61c2 | 35 | } |
| shintamainjp | 0:2a40e6db61c2 | 36 | |
| shintamainjp | 0:2a40e6db61c2 | 37 | /** |
| shintamainjp | 0:2a40e6db61c2 | 38 | * Get state. |
| shintamainjp | 0:2a40e6db61c2 | 39 | * |
| shintamainjp | 0:2a40e6db61c2 | 40 | * @return Current state. |
| shintamainjp | 0:2a40e6db61c2 | 41 | */ |
| shintamainjp | 0:2a40e6db61c2 | 42 | TransmitterChoroQ::State TransmitterChoroQ::getState(void) { |
| shintamainjp | 0:2a40e6db61c2 | 43 | LOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 44 | State s = work.state; |
| shintamainjp | 0:2a40e6db61c2 | 45 | UNLOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 46 | return s; |
| shintamainjp | 0:2a40e6db61c2 | 47 | } |
| shintamainjp | 0:2a40e6db61c2 | 48 | |
| shintamainjp | 0:2a40e6db61c2 | 49 | /** |
| shintamainjp | 0:2a40e6db61c2 | 50 | * Set data. |
| shintamainjp | 0:2a40e6db61c2 | 51 | * |
| shintamainjp | 0:2a40e6db61c2 | 52 | * @param format Format. |
| shintamainjp | 0:2a40e6db61c2 | 53 | * @param buf Buffer of a data. |
| shintamainjp | 0:2a40e6db61c2 | 54 | * @param bitlength Bit length of the data. |
| shintamainjp | 0:2a40e6db61c2 | 55 | * |
| shintamainjp | 0:2a40e6db61c2 | 56 | * @return Data bit length. |
| shintamainjp | 0:2a40e6db61c2 | 57 | */ |
| shintamainjp | 0:2a40e6db61c2 | 58 | int TransmitterChoroQ::setData(uint8_t *buf, int bitlength) { |
| shintamainjp | 0:2a40e6db61c2 | 59 | LOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 60 | if (work.state != Idle) { |
| shintamainjp | 0:2a40e6db61c2 | 61 | UNLOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 62 | return -1; |
| shintamainjp | 0:2a40e6db61c2 | 63 | } |
| shintamainjp | 0:2a40e6db61c2 | 64 | |
| shintamainjp | 0:2a40e6db61c2 | 65 | work.state = Leader; |
| shintamainjp | 0:2a40e6db61c2 | 66 | work.bitcount = 0; |
| shintamainjp | 0:2a40e6db61c2 | 67 | work.leader = 0; |
| shintamainjp | 0:2a40e6db61c2 | 68 | work.data = 0; |
| shintamainjp | 0:2a40e6db61c2 | 69 | work.trailer = 0; |
| shintamainjp | 0:2a40e6db61c2 | 70 | |
| shintamainjp | 0:2a40e6db61c2 | 71 | data.bitlength = bitlength; |
| shintamainjp | 0:2a40e6db61c2 | 72 | const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0); |
| shintamainjp | 0:2a40e6db61c2 | 73 | for (int i = 0; i < n; i++) { |
| shintamainjp | 0:2a40e6db61c2 | 74 | data.buffer[i] = buf[i]; |
| shintamainjp | 0:2a40e6db61c2 | 75 | } |
| shintamainjp | 0:2a40e6db61c2 | 76 | |
| shintamainjp | 1:97921a2adf78 | 77 | static const double correction = 1.20; |
| shintamainjp | 0:2a40e6db61c2 | 78 | ticker.detach(); |
| shintamainjp | 1:97921a2adf78 | 79 | ticker.attach_us(this, &TransmitterChoroQ::tick, TUS_TAKARATOMY * correction); |
| shintamainjp | 0:2a40e6db61c2 | 80 | |
| shintamainjp | 0:2a40e6db61c2 | 81 | UNLOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 82 | return bitlength; |
| shintamainjp | 0:2a40e6db61c2 | 83 | } |
| shintamainjp | 0:2a40e6db61c2 | 84 | |
| shintamainjp | 0:2a40e6db61c2 | 85 | void TransmitterChoroQ::tick(void) { |
| shintamainjp | 0:2a40e6db61c2 | 86 | LOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 87 | switch (work.state) { |
| shintamainjp | 0:2a40e6db61c2 | 88 | case Idle: |
| shintamainjp | 0:2a40e6db61c2 | 89 | work.bitcount = 0; |
| shintamainjp | 0:2a40e6db61c2 | 90 | work.leader = 0; |
| shintamainjp | 0:2a40e6db61c2 | 91 | work.data = 0; |
| shintamainjp | 0:2a40e6db61c2 | 92 | work.trailer = 0; |
| shintamainjp | 0:2a40e6db61c2 | 93 | break; |
| shintamainjp | 0:2a40e6db61c2 | 94 | case Leader: |
| shintamainjp | 0:2a40e6db61c2 | 95 | /* |
| shintamainjp | 0:2a40e6db61c2 | 96 | * TAKARA TOMY. |
| shintamainjp | 0:2a40e6db61c2 | 97 | */ |
| shintamainjp | 0:2a40e6db61c2 | 98 | static const int LEADER_SONY_HEAD = 4; |
| shintamainjp | 0:2a40e6db61c2 | 99 | static const int LEADER_SONY_TAIL = 0; |
| shintamainjp | 0:2a40e6db61c2 | 100 | if (work.leader < LEADER_SONY_HEAD) { |
| shintamainjp | 0:2a40e6db61c2 | 101 | tx.write(0.5); |
| shintamainjp | 0:2a40e6db61c2 | 102 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 103 | tx.write(0.0); |
| shintamainjp | 0:2a40e6db61c2 | 104 | } |
| shintamainjp | 0:2a40e6db61c2 | 105 | work.leader++; |
| shintamainjp | 0:2a40e6db61c2 | 106 | if ((LEADER_SONY_HEAD + LEADER_SONY_TAIL) <= work.leader) { |
| shintamainjp | 0:2a40e6db61c2 | 107 | work.state = Data; |
| shintamainjp | 0:2a40e6db61c2 | 108 | } |
| shintamainjp | 0:2a40e6db61c2 | 109 | break; |
| shintamainjp | 0:2a40e6db61c2 | 110 | case Data: |
| shintamainjp | 0:2a40e6db61c2 | 111 | /* |
| shintamainjp | 0:2a40e6db61c2 | 112 | * TAKARA TOMY. |
| shintamainjp | 0:2a40e6db61c2 | 113 | */ |
| shintamainjp | 0:2a40e6db61c2 | 114 | if (work.data == 0) { |
| shintamainjp | 0:2a40e6db61c2 | 115 | tx.write(0.0); |
| shintamainjp | 0:2a40e6db61c2 | 116 | work.data++; |
| shintamainjp | 0:2a40e6db61c2 | 117 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 118 | tx.write(0.5); |
| shintamainjp | 0:2a40e6db61c2 | 119 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
| shintamainjp | 0:2a40e6db61c2 | 120 | if (2 <= work.data) { |
| shintamainjp | 0:2a40e6db61c2 | 121 | work.bitcount++; |
| shintamainjp | 0:2a40e6db61c2 | 122 | work.data = 0; |
| shintamainjp | 0:2a40e6db61c2 | 123 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 124 | work.data++; |
| shintamainjp | 0:2a40e6db61c2 | 125 | } |
| shintamainjp | 0:2a40e6db61c2 | 126 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 127 | if (1 <= work.data) { |
| shintamainjp | 0:2a40e6db61c2 | 128 | work.bitcount++; |
| shintamainjp | 0:2a40e6db61c2 | 129 | work.data = 0; |
| shintamainjp | 0:2a40e6db61c2 | 130 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 131 | work.data++; |
| shintamainjp | 0:2a40e6db61c2 | 132 | } |
| shintamainjp | 0:2a40e6db61c2 | 133 | } |
| shintamainjp | 0:2a40e6db61c2 | 134 | } |
| shintamainjp | 0:2a40e6db61c2 | 135 | if (data.bitlength <= work.bitcount) { |
| shintamainjp | 0:2a40e6db61c2 | 136 | work.state = Trailer; |
| shintamainjp | 0:2a40e6db61c2 | 137 | } |
| shintamainjp | 0:2a40e6db61c2 | 138 | break; |
| shintamainjp | 0:2a40e6db61c2 | 139 | case Trailer: |
| shintamainjp | 0:2a40e6db61c2 | 140 | /* |
| shintamainjp | 0:2a40e6db61c2 | 141 | * TAKARA TOMY. |
| shintamainjp | 0:2a40e6db61c2 | 142 | */ |
| shintamainjp | 0:2a40e6db61c2 | 143 | static const int TRAILER_SONY_HEAD = 0; |
| shintamainjp | 0:2a40e6db61c2 | 144 | static const int TRAILER_SONY_TAIL = 0; |
| shintamainjp | 0:2a40e6db61c2 | 145 | if (work.trailer < TRAILER_SONY_HEAD) { |
| shintamainjp | 0:2a40e6db61c2 | 146 | tx.write(0.5); |
| shintamainjp | 0:2a40e6db61c2 | 147 | } else { |
| shintamainjp | 0:2a40e6db61c2 | 148 | tx.write(0.0); |
| shintamainjp | 0:2a40e6db61c2 | 149 | } |
| shintamainjp | 0:2a40e6db61c2 | 150 | work.trailer++; |
| shintamainjp | 0:2a40e6db61c2 | 151 | if ((TRAILER_SONY_HEAD + TRAILER_SONY_TAIL) <= work.trailer) { |
| shintamainjp | 0:2a40e6db61c2 | 152 | work.state = Idle; |
| shintamainjp | 0:2a40e6db61c2 | 153 | //ticker.detach(); |
| shintamainjp | 0:2a40e6db61c2 | 154 | } |
| shintamainjp | 0:2a40e6db61c2 | 155 | break; |
| shintamainjp | 0:2a40e6db61c2 | 156 | default: |
| shintamainjp | 0:2a40e6db61c2 | 157 | break; |
| shintamainjp | 0:2a40e6db61c2 | 158 | } |
| shintamainjp | 0:2a40e6db61c2 | 159 | UNLOCK(); |
| shintamainjp | 0:2a40e6db61c2 | 160 | } |