mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2025-06-29 18:45:23 +02:00
131 lines
3.9 KiB
C++
131 lines
3.9 KiB
C++
/* Copyright (c) 2023 Harald Barth
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*
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* This source 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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* This source 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 this software. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "LocoTable.h"
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LocoTable::LOCO LocoTable::speedTable[MAX_LOCOS] = { {0,0,0,0,0,0} };
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int LocoTable::highestUsedReg = 0;
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int LocoTable::lookupSpeedTable(int locoId, bool autoCreate) {
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// determine speed reg for this loco
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int firstEmpty = MAX_LOCOS;
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int reg;
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for (reg = 0; reg < MAX_LOCOS; reg++) {
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if (speedTable[reg].loco == locoId) break;
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if (speedTable[reg].loco == 0 && firstEmpty == MAX_LOCOS) firstEmpty = reg;
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}
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// return -1 if not found and not auto creating
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if (reg == MAX_LOCOS && !autoCreate) return -1;
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if (reg == MAX_LOCOS) reg = firstEmpty;
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if (reg >= MAX_LOCOS) {
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//DIAG(F("Too many locos"));
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return -1;
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}
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if (reg==firstEmpty){
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speedTable[reg].loco = locoId;
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speedTable[reg].speedCode=128; // default direction forward
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speedTable[reg].groupFlags=0;
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speedTable[reg].functions=0;
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}
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if (reg > highestUsedReg) highestUsedReg = reg;
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return reg;
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}
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// returns false only if loco existed but nothing was changed
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bool LocoTable::updateLoco(int loco, byte speedCode) {
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if (loco==0) {
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/*
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// broadcast stop/estop but dont change direction
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for (int reg = 0; reg < highestUsedReg; reg++) {
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if (speedTable[reg].loco==0) continue;
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byte newspeed=(speedTable[reg].speedCode & 0x80) | (speedCode & 0x7f);
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if (speedTable[reg].speedCode != newspeed) {
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speedTable[reg].speedCode = newspeed;
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CommandDistributor::broadcastLoco(reg);
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}
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}
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*/
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return true;
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}
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// determine speed reg for this loco
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int reg=lookupSpeedTable(loco, false);
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if (reg>=0) {
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speedTable[reg].speedcounter++;
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if (speedTable[reg].speedCode!=speedCode) {
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speedTable[reg].speedCode = speedCode;
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return true;
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} else {
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return false;
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}
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} else {
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// new
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reg=lookupSpeedTable(loco, true);
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if(reg >=0) speedTable[reg].speedCode = speedCode;
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return true;
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}
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}
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bool LocoTable::updateFunc(int loco, byte func, int shift) {
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unsigned long previous;
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unsigned long newfunc;
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bool retval = false; // nothing was touched
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int reg = lookupSpeedTable(loco, false);
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if (reg < 0) { // not found
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retval = true;
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reg = lookupSpeedTable(loco, true);
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newfunc = previous = 0;
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} else {
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newfunc = previous = speedTable[reg].functions;
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}
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speedTable[reg].funccounter++;
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if(shift == 1) { // special case for light
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newfunc &= ~1UL;
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newfunc |= ((func & 0B10000) >> 4);
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}
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newfunc &= ~(0B1111UL << shift);
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newfunc |= ((func & 0B1111) << shift);
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if (newfunc != previous) {
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speedTable[reg].functions = newfunc;
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retval = true;
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}
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return retval;
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}
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void LocoTable::dumpTable(Stream *output) {
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output->print("\n-----------Table---------\n");
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for (byte reg = 0; reg <= highestUsedReg; reg++) {
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if (speedTable[reg].loco != 0) {
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output->print(speedTable[reg].loco);
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output->print(' ');
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output->print(speedTable[reg].speedCode);
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output->print(' ');
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output->print(speedTable[reg].functions);
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output->print(" #funcpacks:");
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output->print(speedTable[reg].funccounter);
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output->print(" #speedpacks:");
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output->print(speedTable[reg].speedcounter);
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speedTable[reg].funccounter = 0;
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speedTable[reg].speedcounter = 0;
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output->print('\n');
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}
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}
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}
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