不韋 呂 / SerialTxRxIntr

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   F446_FunctionGenerator F446_UpSampling_GraphicEqualizer F446_UpSampling_ReverbSystem F446_UpSampling_FrqShifter_Weaver ... more

SerialRxTxIntr.cpp@3:63d7bf321ba2, 2018-09-07 (annotated)

Committer:
MikamiUitOpen
Date:
Fri Sep 07 12:55:52 2018 +0000
Revision:
3:63d7bf321ba2
Parent:
2:f6e15c19dd75
Child:
4:fb847a82f735
4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:6b652858f92d 1 //-------------------------------------------------------------
MikamiUitOpen 0:6b652858f92d 2 // Nucleo ボードの USB コネクタに対応するシリアルポート受送信割込みで
MikamiUitOpen 0:6b652858f92d 3 // 複数のキャラクタ受送信をサポ－トするクラス
MikamiUitOpen 0:6b652858f92d 4 //
MikamiUitOpen 3:63d7bf321ba2 5 // 2018/09/07, Copyright (c) 2018 MIKAMI, Naoki
MikamiUitOpen 0:6b652858f92d 6 //-------------------------------------------------------------
MikamiUitOpen 0:6b652858f92d 7
MikamiUitOpen 0:6b652858f92d 8 #include "SerialRxTxIntr.hpp"
MikamiUitOpen 0:6b652858f92d 9
MikamiUitOpen 0:6b652858f92d 10 // コンストラクタ
MikamiUitOpen 0:6b652858f92d 11 SerialRxTxIntr::SerialRxTxIntr(int maxChar, int baud)
MikamiUitOpen 2:f6e15c19dd75 12 : pc_(USBTX, USBRX, baud), tx_(pc_), buffer2_(""), echoOn_(false)
MikamiUitOpen 0:6b652858f92d 13 {
MikamiUitOpen 0:6b652858f92d 14 rxMax_ = maxChar;
MikamiUitOpen 0:6b652858f92d 15 pc_.format(); // default: 8 bits, nonparity, 1 stop bit
MikamiUitOpen 0:6b652858f92d 16 pc_.attach(callback(this, &SerialRxTxIntr::RxIsr));
MikamiUitOpen 0:6b652858f92d 17 }
MikamiUitOpen 0:6b652858f92d 18
MikamiUitOpen 0:6b652858f92d 19 // メッセージの終了であればそのメッセージを保存し true を返す
MikamiUitOpen 0:6b652858f92d 20 bool SerialRxTxIntr::IsEol()
MikamiUitOpen 0:6b652858f92d 21 {
MikamiUitOpen 0:6b652858f92d 22 if (!eol_) return false;
MikamiUitOpen 0:6b652858f92d 23
MikamiUitOpen 0:6b652858f92d 24 eol_ = false;
MikamiUitOpen 0:6b652858f92d 25 buffer2_ = rxBuffer_; // メッセージの保存
MikamiUitOpen 0:6b652858f92d 26 rxBuffer_ = ""; // 受信バッファをクリア
MikamiUitOpen 0:6b652858f92d 27 return true;
MikamiUitOpen 0:6b652858f92d 28 }
MikamiUitOpen 0:6b652858f92d 29
MikamiUitOpen 2:f6e15c19dd75 30 // 文字列の送信
MikamiUitOpen 3:63d7bf321ba2 31 // lf が false の場合は，最後に '\n' を送信しない
MikamiUitOpen 3:63d7bf321ba2 32 void SerialRxTxIntr::Tx(string str, bool lf)
MikamiUitOpen 0:6b652858f92d 33 {
MikamiUitOpen 0:6b652858f92d 34 for (int n=0; n<str.size(); n++)
MikamiUitOpen 0:6b652858f92d 35 tx_.TxWrite(str[n]);
MikamiUitOpen 3:63d7bf321ba2 36 if (lf) tx_.TxWrite('\n');
MikamiUitOpen 0:6b652858f92d 37 }
MikamiUitOpen 0:6b652858f92d 38
MikamiUitOpen 0:6b652858f92d 39 // シリアル･ポートの受信割り込みに対する割り込みサービス･ルーチン
MikamiUitOpen 0:6b652858f92d 40 void SerialRxTxIntr::RxIsr()
MikamiUitOpen 0:6b652858f92d 41 {
MikamiUitOpen 0:6b652858f92d 42 unsigned char chr = pc_.getc();
MikamiUitOpen 2:f6e15c19dd75 43 if (echoOn_) // エコーバックが有効な場合
MikamiUitOpen 2:f6e15c19dd75 44 {
MikamiUitOpen 2:f6e15c19dd75 45 tx_.TxWrite(chr); // エコーバック
MikamiUitOpen 2:f6e15c19dd75 46 if (chr == '\r') tx_.TxWrite('\n');
MikamiUitOpen 2:f6e15c19dd75 47 }
MikamiUitOpen 0:6b652858f92d 48 // "\r" を受信した場合はメッセージの終了とする
MikamiUitOpen 0:6b652858f92d 49 // "\r" は rxBuffer_ に追加されない
MikamiUitOpen 0:6b652858f92d 50 if (chr == '\r') eol_ = true;
MikamiUitOpen 0:6b652858f92d 51 else rxBuffer_ += chr;
MikamiUitOpen 0:6b652858f92d 52
MikamiUitOpen 0:6b652858f92d 53 // 受信するメッセージの文字数のチェック
MikamiUitOpen 0:6b652858f92d 54 if (rxBuffer_.size() > rxMax_)
MikamiUitOpen 0:6b652858f92d 55 {
MikamiUitOpen 0:6b652858f92d 56 // 文字数オーバーの処理，ボードの LED を高速に点滅する
MikamiUitOpen 0:6b652858f92d 57 DigitalOut myLed(LED1);
MikamiUitOpen 0:6b652858f92d 58 while (true)
MikamiUitOpen 0:6b652858f92d 59 {
MikamiUitOpen 0:6b652858f92d 60 myLed = !myLed;
MikamiUitOpen 0:6b652858f92d 61 wait_ms(50);
MikamiUitOpen 0:6b652858f92d 62 }
MikamiUitOpen 0:6b652858f92d 63 }
MikamiUitOpen 0:6b652858f92d 64 }
MikamiUitOpen 0:6b652858f92d 65
MikamiUitOpen 0:6b652858f92d 66 // static メンバの実体の宣言/初期化
MikamiUitOpen 0:6b652858f92d 67 int SerialRxTxIntr::rxMax_;
MikamiUitOpen 0:6b652858f92d 68 __IO bool SerialRxTxIntr::eol_ = false;
MikamiUitOpen 0:6b652858f92d 69 string SerialRxTxIntr::rxBuffer_ = "";
MikamiUitOpen 3:63d7bf321ba2 70