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@5:2fd9b1725283, 2015-04-24 (annotated)

Committer:
idealtechlab
Date:
Fri Apr 24 03:59:13 2015 +0000
Revision:
5:2fd9b1725283
Parent:
3:db269462ad1c 
fix buffer over run

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 3:db269462ad1c 6 _reset->output();
okini3939 0:d3ab05ed8142 7 _reset->write(0);
okini3939 0:d3ab05ed8142 8 } else {
okini3939 3:db269462ad1c 9 _reset->input();
okini3939 3:db269462ad1c 10 _reset->mode(PullNone);
okini3939 0:d3ab05ed8142 11 }
okini3939 0:d3ab05ed8142 12 }
okini3939 0:d3ab05ed8142 13 }
okini3939 0:d3ab05ed8142 14
okini3939 0:d3ab05ed8142 15 void IM920::isrUart () {
okini3939 0:d3ab05ed8142 16 recvData(getUart());
okini3939 0:d3ab05ed8142 17 }
okini3939 0:d3ab05ed8142 18
okini3939 0:d3ab05ed8142 19 int IM920::getUart () {
okini3939 0:d3ab05ed8142 20 return _im.getc();
okini3939 0:d3ab05ed8142 21 }
okini3939 0:d3ab05ed8142 22
okini3939 0:d3ab05ed8142 23 void IM920::putUart (char c) {
okini3939 0:d3ab05ed8142 24 _im.putc(c);
okini3939 0:d3ab05ed8142 25 }
okini3939 0:d3ab05ed8142 26
okini3939 0:d3ab05ed8142 27 int IM920::lockUart (int ms) {
okini3939 0:d3ab05ed8142 28 Timer t;
okini3939 0:d3ab05ed8142 29
okini3939 0:d3ab05ed8142 30 if (_busy && _busy->read()) {
okini3939 0:d3ab05ed8142 31 // CTS check
okini3939 0:d3ab05ed8142 32 t.start();
okini3939 0:d3ab05ed8142 33 while (_busy->read()) {
okini3939 0:d3ab05ed8142 34 if (t.read_ms() >= ms) {
okini3939 0:d3ab05ed8142 35 DBG("cts timeout\r\n");
okini3939 0:d3ab05ed8142 36 return -1;
okini3939 0:d3ab05ed8142 37 }
okini3939 0:d3ab05ed8142 38 }
okini3939 0:d3ab05ed8142 39 }
okini3939 0:d3ab05ed8142 40 return 0;
okini3939 0:d3ab05ed8142 41 }
okini3939 0:d3ab05ed8142 42
okini3939 0:d3ab05ed8142 43 void IM920::unlockUart () {
okini3939 0:d3ab05ed8142 44 }
okini3939 0:d3ab05ed8142 45
okini3939 0:d3ab05ed8142 46 void IM920::initUart (PinName busy, PinName reset, int baud) {
okini3939 0:d3ab05ed8142 47 _baud = baud;
okini3939 0:d3ab05ed8142 48 if (_baud) _im.baud(_baud);
okini3939 0:d3ab05ed8142 49 _im.attach(this, &IM920::isrUart, Serial::RxIrq);
okini3939 0:d3ab05ed8142 50
okini3939 0:d3ab05ed8142 51 _busy = NULL;
okini3939 0:d3ab05ed8142 52 _reset = NULL;
okini3939 0:d3ab05ed8142 53 if (busy != NC) {
okini3939 0:d3ab05ed8142 54 _busy = new DigitalIn(busy);
okini3939 0:d3ab05ed8142 55 }
okini3939 0:d3ab05ed8142 56 if (reset != NC) {
okini3939 3:db269462ad1c 57 _reset = new DigitalInOut(reset);
okini3939 0:d3ab05ed8142 58 }
okini3939 0:d3ab05ed8142 59 }