mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-22 23:56:13 +01:00
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/*
|
|
* © 2024, Henk Kruisbrink & Chris Harlow. All rights reserved.
|
|
* © 2023, Neil McKechnie. All rights reserved.
|
|
*
|
|
* This file is part of DCC++EX API
|
|
*
|
|
* This is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* It is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef IO_TM1638_h
|
|
#define IO_TM1638_h
|
|
#include <Arduino.h>
|
|
#include "IODevice.h"
|
|
#include "I2CManager.h"
|
|
#include "DIAG.h"
|
|
#include "TM1638x.h"
|
|
class TM1638 : public IODevice {
|
|
private:
|
|
|
|
TM1638x * tm;
|
|
uint8_t _buttons;
|
|
uint8_t _leds;
|
|
unsigned long _lastLoop;
|
|
static const int LoopHz=20;
|
|
|
|
private:
|
|
// Constructor
|
|
TM1638(VPIN firstVpin, byte clk_pin,byte dio_pin,byte stb_pin){
|
|
_firstVpin = firstVpin;
|
|
_nPins = 8;
|
|
tm=new TM1638x(clk_pin,dio_pin,stb_pin);
|
|
_buttons=0;
|
|
_leds=0;
|
|
_lastLoop=micros();
|
|
addDevice(this);
|
|
}
|
|
|
|
public:
|
|
static void create(VPIN firstVpin, byte clk_pin,byte dio_pin,byte stb_pin) {
|
|
if (checkNoOverlap(firstVpin,8))
|
|
new TM1638(firstVpin, clk_pin,dio_pin,stb_pin);
|
|
}
|
|
|
|
void _begin() override {
|
|
tm->reset();
|
|
tm->test();
|
|
_display();
|
|
}
|
|
|
|
|
|
void _loop(unsigned long currentMicros) override {
|
|
if (currentMicros - _lastLoop > (1000000UL/LoopHz)) {
|
|
_buttons=tm->getButtons();// Read the buttons
|
|
_lastLoop=currentMicros;
|
|
}
|
|
// DIAG(F("TM1638 buttons %x"),_buttons);
|
|
}
|
|
|
|
void _display() override {
|
|
DIAG(F("TM1638 Configured on Vpins:%u-%u"), _firstVpin, _firstVpin+_nPins-1);
|
|
}
|
|
|
|
// digital read gets button state
|
|
int _read(VPIN vpin) override {
|
|
byte pin=vpin - _firstVpin;
|
|
bool result=bitRead(_buttons,pin);
|
|
// DIAG(F("TM1638 read (%d) buttons %x = %d"),pin,_buttons,result);
|
|
return result;
|
|
}
|
|
|
|
// digital write sets led state
|
|
void _write(VPIN vpin, int value) override {
|
|
tm->writeLed(vpin - _firstVpin + 1,value!=0);
|
|
}
|
|
|
|
};
|
|
#endif // IO_TM1638_h
|