Interplan IM920 library, 920MHz module
Dependents: IM920_sample IM920_SDlog IM920_sample IM920_sample3 ... more
IM920 ライブラリ
データモード、低速、長距離 の設定で通信するライブラリです。
920MHz無線モジュール
- mbedとモジュールとは、シリアル(TX,RX)、BUSY、RESET端子を接続します。
- モジュールはあらかじめ、コマンドでノード番号などを設定しておきます。
IM920.cpp
- Committer:
- idealtechlab
- Date:
- 2015-01-29
- Revision:
- 4:ba939555ed35
- Parent:
- 3:db269462ad1c
File content as of revision 4:ba939555ed35:
/* Copyright (C) 2014 Suga, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "IM920.h" IM920::IM920 (PinName tx, PinName rx, PinName busy, PinName reset, int baud) : _im(tx, rx) { memset(&_state, 0, sizeof(_state)); _state.data = new CircBuffer<char>(CFG_DATA_SIZE); initUart(busy, reset, baud); setReset(true); wait_ms(100); setReset(false); } int IM920::init () { cmdRDID(); cmdRDNN(); cmdSTPO(3); // 10dBm cmdSTRT(2); // 1.25kbps return 0; } void IM920::poll () { if (_state.received && _state.buf != NULL) if (!_state.data->isEmpty()) { _func.call(); if (_state.data->isEmpty()) { _state.received = false; } } } int IM920::send (char *buf, int len) { if (len > 64) len = 64; return sendData(buf, len); } int IM920::recv (char *buf, int len) { int i; if (_state.data == NULL) return 0; while (!_state.received && _state.mode != MODE_COMMAND); _state.received = false; for (i = 0; i < len; i ++) { if (_state.data->dequeue(&buf[i]) == false) break; } return i; }