mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-23 08:06:13 +01:00
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
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/*
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* © 2024, Henk Kruisbrink & Chris Harlow. All rights reserved.
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* © 2023, Neil McKechnie. All rights reserved.
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*
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* This file is part of DCC++EX API
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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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#ifndef IO_TM1638_h
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#define IO_TM1638_h
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#include <Arduino.h>
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#include "IODevice.h"
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#include "I2CManager.h"
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#include "DIAG.h"
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#include "TM1638x.h"
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class TM1638 : public IODevice {
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private:
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TM1638x * tm;
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uint8_t _buttons;
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uint8_t _leds;
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unsigned long _lastLoop;
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static const int LoopHz=20;
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private:
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// Constructor
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TM1638(VPIN firstVpin, byte clk_pin,byte dio_pin,byte stb_pin){
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_firstVpin = firstVpin;
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_nPins = 8;
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tm=new TM1638x(clk_pin,dio_pin,stb_pin);
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_buttons=0;
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_leds=0;
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_lastLoop=micros();
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addDevice(this);
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}
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public:
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static void create(VPIN firstVpin, byte clk_pin,byte dio_pin,byte stb_pin) {
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if (checkNoOverlap(firstVpin,8))
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new TM1638(firstVpin, clk_pin,dio_pin,stb_pin);
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}
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void _begin() override {
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tm->reset();
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tm->test();
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_display();
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}
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void _loop(unsigned long currentMicros) override {
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if (currentMicros - _lastLoop > (1000000UL/LoopHz)) {
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_buttons=tm->getButtons();// Read the buttons
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_lastLoop=currentMicros;
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}
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// DIAG(F("TM1638 buttons %x"),_buttons);
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}
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void _display() override {
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DIAG(F("TM1638 Configured on Vpins:%u-%u"), _firstVpin, _firstVpin+_nPins-1);
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}
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// digital read gets button state
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int _read(VPIN vpin) override {
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byte pin=vpin - _firstVpin;
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bool result=bitRead(_buttons,pin);
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// DIAG(F("TM1638 read (%d) buttons %x = %d"),pin,_buttons,result);
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return result;
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}
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// digital write sets led state
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void _write(VPIN vpin, int value) override {
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tm->writeLed(vpin - _firstVpin + 1,value!=0);
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}
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};
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#endif // IO_TM1638_h
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