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https://github.com/DCC-EX/CommandStation-EX.git
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d7b2cf3d76
* LCN * Prevent deprecated compiler warning * Implement huge function numbers * new commands <! [cab]> forget locos. <9> ESTOP ALL. <D RESET> reboot arduino * Waveform accuracy msg * Drop post-write verify * UNUSED_PIN current measure and callback -2 for cv actions. * Correct diags * ESTOP a forget loco * ESTOP loco on forget * Avoid compiler warning * current sensor offset * Restore <1 JOIN> after prog track operation * <!> ESTOP <-> FORGET * Auto current offset detection * manage current offset and diagnostics * neater msg at startup * Add startup message to LCN master * DCC::setJoinRelayPin Co-authored-by: Asbelos <asbelos@btinternet.com>
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* © 2021, Chris Harlow. All rights reserved.
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*
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* This file is part of DCC-EX CommandStation-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 "LCN.h"
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#include "DIAG.h"
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#include "Turnouts.h"
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#include "Sensors.h"
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int LCN::id = 0;
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Stream * LCN::stream=NULL;
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bool LCN::firstLoop=true;
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void LCN::init(Stream & lcnstream) {
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stream=&lcnstream;
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DIAG(F("\nLCN connection setup\n"));
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}
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// Inbound LCN traffic is postfix notation... nnnX where nnn is an id, X is the opcode
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void LCN::loop() {
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if (!stream) return;
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if (firstLoop) {
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firstLoop=false;
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stream->println('X');
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return;
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}
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while (stream->available()) {
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int ch = stream->read();
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if (ch >= 0 && ch <= '9') { // accumulate id value
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id = 10 * id + ch - '0';
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}
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else if (ch == 't' || ch == 'T') { // Turnout opcodes
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if (Diag::LCN) DIAG(F("\nLCN IN %d%c\n"),id,(char)ch);
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Turnout * tt = Turnout::get(id);
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if (!tt) Turnout::create(id, LCN_TURNOUT_ADDRESS, 0);
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if (ch == 't') tt->data.tStatus |= STATUS_ACTIVE;
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else tt->data.tStatus &= ~STATUS_ACTIVE;
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Turnout::turnoutlistHash++; // signals ED update of turnout data
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id = 0;
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}
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else if (ch == 'S' || ch == 's') {
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if (Diag::LCN) DIAG(F("\nLCN IN %d%c\n"),id,(char)ch);
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Sensor * ss = Sensor::get(id);
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if (!ss) ss = Sensor::create(id, 255,0); // impossible pin
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ss->active = ch == 'S';
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id = 0;
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}
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else id = 0; // ignore any other garbage from LCN
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}
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}
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void LCN::send(char opcode, int id, bool state) {
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if (stream) {
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StringFormatter::send(stream,F("%c/%d/%d"), opcode, id , state);
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if (Diag::LCN) DIAG(F("\nLCN OUT %c/%d/%d\n"), opcode, id , state);
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}
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}
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