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started development of Rs485 lib

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
main
Stephan Richter 1 year ago
commit
10b96424cd
  1. 35
      SoftRS485.cpp
  2. 22
      SoftRS485.h

35
SoftRS485.cpp

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/*
Library for Software Serial over RS485 connection
Created by Stepan Richter, November 2023
*/
#include "Arduino.h"
#include "SoftRS485.h"
SoftRS485 SoftRS485::instance;
SoftRS485 SoftRS485::singleton(){
return instance;
}
void SoftRS485::isr(){
instance.bam();
}
void SoftRS485::begin(int RO, int nRE, int DE, int DI){
_RO = RO;
_RE = nRE;
_DE = DE;
_DI = DI;
Serial.begin(115200);
pinMode(_RE, OUTPUT);
pinMode(_DE, OUTPUT);
pinMode(_DI, OUTPUT);
pinMode(_RO, INPUT);
attachInterrupt(digitalPinToInterrupt(_RO),isr,CHANGE);
Serial.println("attached to interrupt!");
}
void SoftRS485::bam(){
Serial.println("bam!");
}

22
SoftRS485.h

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/*
Library for Software Serial over RS485 connection
Created by Stepan Richter, November 2023
*/
#ifndef SoftRS485_h
#define SoftRS485_h
#include "Arduino.h"
class SoftRS485{
public:
void begin(int RO, int nRE, int DE, int DI);
void bam();
static SoftRS485 singleton();
private:
static void isr();
static SoftRS485 instance;
int _RO, _RE, _DE, _DI;
};
#endif
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