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Add support for RS485 on Controllino Maxi/Mega #5

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Add support for RS485 on Controllino Maxi/Mega #5

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5155e9a
Add support for RS485 on Controllino Maxi/Mega
vzahradnik Aug 6, 2020
a30126c
ATmega2560 and ATmega328 update
Robert-Faltus Sep 16, 2020
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8 changes: 8 additions & 0 deletions src/RS485.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -166,4 +166,12 @@ void RS485Class::setPins(int txPin, int dePin, int rePin)
_rePin = rePin;
}

#if defined(CONTROLLINO_MAXI) || defined(CONTROLLINO_MEGA)
RS485Class RS485(SERIAL_PORT_HARDWARE3, CONTROLLINO_RS485_TX, CONTROLLINO_RS485_DE, CONTROLLINO_RS485_nRE);
#elif defined(__AVR_ATmega2560__)
RS485Class RS485(Serial3, RS485_TX_PIN, RS485_DE_PIN, RS485_nRE_PIN);
#elif defined(__AVR_ATmega328P__)
RS485Class RS485(Serial, RS485_TX_PIN, RS485_DE_PIN, RS485_nRE_PIN);
#else
RS485Class RS485(SERIAL_PORT_HARDWARE, RS485_DEFAULT_TX_PIN, RS485_DEFAULT_DE_PIN, RS485_DEFAULT_RE_PIN);
#endif
14 changes: 14 additions & 0 deletions src/RS485.h
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Expand Up @@ -22,6 +22,20 @@

#include <Arduino.h>

#if defined(CONTROLLINO_MAXI) || defined(CONTROLLINO_MEGA)
#include <Controllino.h>
#endif

#if defined(__AVR_ATmega2560__)
#define RS485_DE_PIN 21
#define RS485_nRE_PIN 20
#define RS485_TX_PIN 14
#elif defined(__AVR_ATmega328P__)
#define RS485_DE_PIN 3
#define RS485_nRE_PIN 2
#define RS485_TX_PIN 1
#endif

#ifdef PIN_SERIAL1_TX
#define RS485_DEFAULT_TX_PIN PIN_SERIAL1_TX
#else
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