Suga koubou / IM920

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

http://www.interplan.co.jp/images/contents/solution/im920.png IM920 （インタープラン製）

  • 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。

NECの920MHz近距離無線モジュールもおすすめ

IM920.cpp@3:db269462ad1c, 2015-01-08 (annotated)

Committer:
okini3939
Date:
Thu Jan 08 13:25:46 2015 +0000
Revision:
3:db269462ad1c
Parent:
2:0b47f6b25cc4
Child:
4:ba939555ed35
fix init

;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 1:81b2fd407327 1 /* Copyright (C) 2014 Suga, MIT License
okini3939 1:81b2fd407327 2 *
okini3939 1:81b2fd407327 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
okini3939 1:81b2fd407327 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
okini3939 1:81b2fd407327 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
okini3939 1:81b2fd407327 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
okini3939 1:81b2fd407327 7 * furnished to do so, subject to the following conditions:
okini3939 1:81b2fd407327 8 *
okini3939 1:81b2fd407327 9 * The above copyright notice and this permission notice shall be included in all copies or
okini3939 1:81b2fd407327 10 * substantial portions of the Software.
okini3939 1:81b2fd407327 11 *
okini3939 1:81b2fd407327 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
okini3939 1:81b2fd407327 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
okini3939 1:81b2fd407327 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
okini3939 1:81b2fd407327 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
okini3939 1:81b2fd407327 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
okini3939 1:81b2fd407327 17 */
okini3939 0:d3ab05ed8142 18 #include "IM920.h"
okini3939 0:d3ab05ed8142 19
okini3939 0:d3ab05ed8142 20 IM920::IM920 (PinName tx, PinName rx, PinName busy, PinName reset, int baud) : _im(tx, rx) {
okini3939 0:d3ab05ed8142 21
okini3939 0:d3ab05ed8142 22 memset(&_state, 0, sizeof(_state));
okini3939 0:d3ab05ed8142 23 _state.data = new CircBuffer<char>(CFG_DATA_SIZE);
okini3939 0:d3ab05ed8142 24
okini3939 0:d3ab05ed8142 25 initUart(busy, reset, baud);
okini3939 0:d3ab05ed8142 26 setReset(true);
okini3939 0:d3ab05ed8142 27 wait_ms(100);
okini3939 0:d3ab05ed8142 28 setReset(false);
okini3939 0:d3ab05ed8142 29 }
okini3939 0:d3ab05ed8142 30
okini3939 3:db269462ad1c 31 int IM920::init () {
okini3939 0:d3ab05ed8142 32
okini3939 0:d3ab05ed8142 33 cmdRDID();
okini3939 3:db269462ad1c 34 cmdRDNN();
okini3939 0:d3ab05ed8142 35 cmdSTPO(3); // 10dBm
okini3939 0:d3ab05ed8142 36 cmdSTRT(2); // 1.25kbps
okini3939 0:d3ab05ed8142 37 return 0;
okini3939 0:d3ab05ed8142 38 }
okini3939 0:d3ab05ed8142 39
okini3939 3:db269462ad1c 40
okini3939 3:db269462ad1c 41 int IM920::setNode (int node) {
okini3939 3:db269462ad1c 42 _state.node = node;
okini3939 3:db269462ad1c 43 return cmdSTNN(_state.node);
okini3939 3:db269462ad1c 44 }
okini3939 3:db269462ad1c 45
okini3939 3:db269462ad1c 46 int IM920::getNode () {
okini3939 3:db269462ad1c 47 cmdRDNN();
okini3939 3:db269462ad1c 48 return _state.node;
okini3939 3:db269462ad1c 49 }
okini3939 3:db269462ad1c 50
okini3939 0:d3ab05ed8142 51 void IM920::poll () {
okini3939 0:d3ab05ed8142 52
okini3939 0:d3ab05ed8142 53 if (_state.received && _state.buf != NULL)
idealtechlab 2:0b47f6b25cc4 54 if (!_state.data->isEmpty()) {
idealtechlab 2:0b47f6b25cc4 55 _func.call();
okini3939 0:d3ab05ed8142 56 if (_state.data->isEmpty()) {
okini3939 0:d3ab05ed8142 57 _state.received = false;
okini3939 0:d3ab05ed8142 58 }
okini3939 0:d3ab05ed8142 59 }
okini3939 0:d3ab05ed8142 60 }
okini3939 0:d3ab05ed8142 61
okini3939 0:d3ab05ed8142 62 int IM920::send (char *buf, int len) {
okini3939 0:d3ab05ed8142 63
okini3939 0:d3ab05ed8142 64 if (len > 64) len = 64;
okini3939 0:d3ab05ed8142 65
okini3939 0:d3ab05ed8142 66 return sendData(buf, len);
okini3939 0:d3ab05ed8142 67 }
okini3939 0:d3ab05ed8142 68
okini3939 0:d3ab05ed8142 69 int IM920::recv (char *buf, int len) {
okini3939 0:d3ab05ed8142 70 int i;
okini3939 0:d3ab05ed8142 71
okini3939 0:d3ab05ed8142 72 if (_state.data == NULL) return 0;
okini3939 0:d3ab05ed8142 73 while (!_state.received && _state.mode != MODE_COMMAND);
okini3939 0:d3ab05ed8142 74 _state.received = false;
okini3939 0:d3ab05ed8142 75 for (i = 0; i < len; i ++) {
okini3939 0:d3ab05ed8142 76 if (_state.data->dequeue(&buf[i]) == false) break;
okini3939 0:d3ab05ed8142 77 }
okini3939 0:d3ab05ed8142 78 return i;
okini3939 0:d3ab05ed8142 79 }