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_hal.cpp@0:d3ab05ed8142, 2014-12-26 (annotated)

Committer:
okini3939
Date:
Fri Dec 26 15:35:20 2014 +0000
Revision:
0:d3ab05ed8142
Child:
3:db269462ad1c
1st tiny build.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 0:d3ab05ed8142 1 #include "IM920.h"
okini3939 0:d3ab05ed8142 2
okini3939 0:d3ab05ed8142 3 void IM920::setReset (bool flg) {
okini3939 0:d3ab05ed8142 4 if (_reset) {
okini3939 0:d3ab05ed8142 5 if (flg) {
okini3939 0:d3ab05ed8142 6 _reset->write(0);
okini3939 0:d3ab05ed8142 7 } else {
okini3939 0:d3ab05ed8142 8 _reset->write(1);
okini3939 0:d3ab05ed8142 9 }
okini3939 0:d3ab05ed8142 10 }
okini3939 0:d3ab05ed8142 11 }
okini3939 0:d3ab05ed8142 12
okini3939 0:d3ab05ed8142 13 void IM920::isrUart () {
okini3939 0:d3ab05ed8142 14 recvData(getUart());
okini3939 0:d3ab05ed8142 15 }
okini3939 0:d3ab05ed8142 16
okini3939 0:d3ab05ed8142 17 int IM920::getUart () {
okini3939 0:d3ab05ed8142 18 return _im.getc();
okini3939 0:d3ab05ed8142 19 }
okini3939 0:d3ab05ed8142 20
okini3939 0:d3ab05ed8142 21 void IM920::putUart (char c) {
okini3939 0:d3ab05ed8142 22 _im.putc(c);
okini3939 0:d3ab05ed8142 23 }
okini3939 0:d3ab05ed8142 24
okini3939 0:d3ab05ed8142 25 int IM920::lockUart (int ms) {
okini3939 0:d3ab05ed8142 26 Timer t;
okini3939 0:d3ab05ed8142 27
okini3939 0:d3ab05ed8142 28 if (_busy && _busy->read()) {
okini3939 0:d3ab05ed8142 29 // CTS check
okini3939 0:d3ab05ed8142 30 t.start();
okini3939 0:d3ab05ed8142 31 while (_busy->read()) {
okini3939 0:d3ab05ed8142 32 if (t.read_ms() >= ms) {
okini3939 0:d3ab05ed8142 33 DBG("cts timeout\r\n");
okini3939 0:d3ab05ed8142 34 return -1;
okini3939 0:d3ab05ed8142 35 }
okini3939 0:d3ab05ed8142 36 }
okini3939 0:d3ab05ed8142 37 }
okini3939 0:d3ab05ed8142 38 return 0;
okini3939 0:d3ab05ed8142 39 }
okini3939 0:d3ab05ed8142 40
okini3939 0:d3ab05ed8142 41 void IM920::unlockUart () {
okini3939 0:d3ab05ed8142 42 }
okini3939 0:d3ab05ed8142 43
okini3939 0:d3ab05ed8142 44 void IM920::initUart (PinName busy, PinName reset, int baud) {
okini3939 0:d3ab05ed8142 45 _baud = baud;
okini3939 0:d3ab05ed8142 46 if (_baud) _im.baud(_baud);
okini3939 0:d3ab05ed8142 47 _im.attach(this, &IM920::isrUart, Serial::RxIrq);
okini3939 0:d3ab05ed8142 48
okini3939 0:d3ab05ed8142 49 _busy = NULL;
okini3939 0:d3ab05ed8142 50 _reset = NULL;
okini3939 0:d3ab05ed8142 51 if (busy != NC) {
okini3939 0:d3ab05ed8142 52 _busy = new DigitalIn(busy);
okini3939 0:d3ab05ed8142 53 }
okini3939 0:d3ab05ed8142 54 if (reset != NC) {
okini3939 0:d3ab05ed8142 55 _reset = new DigitalOut(reset);
okini3939 0:d3ab05ed8142 56 }
okini3939 0:d3ab05ed8142 57 }