mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-22 23:56:13 +01:00
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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* © 2021 Chris Harlow
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* © 2022 Harald Barth
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* All rights reserved.
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*
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* This file is part of DCC++EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "SerialManager.h"
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#include "DCCEXParser.h"
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SerialManager * SerialManager::first=NULL;
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SerialManager::SerialManager(Stream * myserial) {
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serial=myserial;
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next=first;
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first=this;
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bufferLength=0;
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inCommandPayload=false;
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}
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void SerialManager::init() {
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while (!Serial && millis() < 5000); // wait max 5s for Serial to start
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Serial.begin(115200);
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new SerialManager(&Serial);
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#ifdef SERIAL3_COMMANDS
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Serial3.begin(115200);
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new SerialManager(&Serial3);
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#endif
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#ifdef SERIAL2_COMMANDS
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Serial2.begin(115200);
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new SerialManager(&Serial2);
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#endif
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#ifdef SERIAL1_COMMANDS
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Serial1.begin(115200);
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new SerialManager(&Serial1);
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#endif
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}
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void SerialManager::broadcast(RingStream * ring) {
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for (SerialManager * s=first;s;s=s->next) s->broadcast2(ring);
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}
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void SerialManager::broadcast2(RingStream * ring) {
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ring->printBuffer(serial);
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}
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void SerialManager::loop() {
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for (SerialManager * s=first;s;s=s->next) s->loop2();
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}
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void SerialManager::loop2() {
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while (serial->available()) {
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char ch = serial->read();
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if (ch == '<') {
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inCommandPayload = true;
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bufferLength = 0;
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buffer[0] = '\0';
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}
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else if (ch == '>') {
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buffer[bufferLength] = '\0';
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DCCEXParser::parse(serial, buffer, NULL);
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inCommandPayload = false;
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break;
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}
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else if (inCommandPayload) {
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if (bufferLength < (COMMAND_BUFFER_SIZE-1)) buffer[bufferLength++] = ch;
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}
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}
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}
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