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Add compatibility to arduino DUE #59

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46564d6
Add compatibility to arduino DUE
NitrofMtl Jun 16, 2025
b1ebff3
fix bord compatibility macro SERIAL_HARDWARE
NitrofMtl Jun 17, 2025
1c241d4
fix typo in macro constructor
NitrofMtl Jun 17, 2025
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10 changes: 5 additions & 5 deletions src/RS485.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@

#ifdef __MBED__
#include "pinDefinitions.h"
RS485Class::RS485Class(HardwareSerial& hwSerial, PinName txPin, PinName dePin, PinName rePin) :
RS485Class::RS485Class(SERIAL_HARDWARE_CLASS& hwSerial, PinName txPin, PinName dePin, PinName rePin) :
_serial(&hwSerial),
_txPin(PinNameToIndex(txPin)),
_dePin(PinNameToIndex(dePin)),
Expand All @@ -31,7 +31,7 @@ RS485Class::RS485Class(HardwareSerial& hwSerial, PinName txPin, PinName dePin, P
}
#endif

RS485Class::RS485Class(HardwareSerial& hwSerial, int txPin, int dePin, int rePin) :
RS485Class::RS485Class(SERIAL_HARDWARE_CLASS& hwSerial, int txPin, int dePin, int rePin) :
_serial(&hwSerial),
_txPin(txPin),
_dePin(dePin),
Expand All @@ -50,12 +50,12 @@ void RS485Class::begin(unsigned long baudrate, int predelay, int postdelay)
begin(baudrate, SERIAL_8N1, predelay, postdelay);
}

void RS485Class::begin(unsigned long baudrate, uint16_t config)
void RS485Class::begin(unsigned long baudrate, SERIAL_MODE_TYPE config)
{
begin(baudrate, config, RS485_DEFAULT_PRE_DELAY, RS485_DEFAULT_POST_DELAY);
}

void RS485Class::begin(unsigned long baudrate, uint16_t config, int predelay, int postdelay)
void RS485Class::begin(unsigned long baudrate, SERIAL_MODE_TYPE config, int predelay, int postdelay)
{
_baudrate = baudrate;
_config = config;
Expand Down Expand Up @@ -206,5 +206,5 @@ void RS485Class::setDelays(int predelay, int postdelay)
#ifdef RS485_SERIAL_PORT
RS485Class RS485(RS485_SERIAL_PORT, RS485_DEFAULT_TX_PIN, RS485_DEFAULT_DE_PIN, RS485_DEFAULT_RE_PIN);
#else
RS485Class RS485(SERIAL_PORT_HARDWARE, RS485_DEFAULT_TX_PIN, RS485_DEFAULT_DE_PIN, RS485_DEFAULT_RE_PIN);
RS485Class RS485(SERIAL_PORT_HARDWARE_DEFAULT, RS485_DEFAULT_TX_PIN, RS485_DEFAULT_DE_PIN, RS485_DEFAULT_RE_PIN);
#endif
36 changes: 28 additions & 8 deletions src/RS485.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,18 @@

#include <Arduino.h>

#ifdef ARDUINO_SAM_DUE
#define SERIAL_HARDWARE_CLASS USARTClass
#define SERIAL_MODE_TYPE UARTClass::UARTModes
#else
#define SERIAL_HARDWARE_CLASS HardwareSerial
#define SERIAL_MODE_TYPE uint16_t
#endif

#ifdef ARDUINO_ARCH_SAM
#define PIN_SERIAL1_TX 18
#endif

#ifndef RS485_DEFAULT_TX_PIN
#ifdef PIN_SERIAL1_TX
#define RS485_DEFAULT_TX_PIN PIN_SERIAL1_TX
Expand All @@ -40,16 +52,24 @@
#define RS485_DEFAULT_DE_PIN A4
#define RS485_DEFAULT_RE_PIN A5
#elif defined(ARDUINO_UNOR4_WIFI) || defined(ARDUINO_UNOR4_MINIMA)
#define SERIAL_PORT_HARDWARE Serial1
#define SERIAL_PORT_HARDWARE_DEFAULT Serial1
#define RS485_DEFAULT_DE_PIN 8
#define RS485_DEFAULT_RE_PIN 7
#elif defined(ARDUINO_ARCH_SAM)
#define SERIAL_PORT_HARDWARE_DEFAULT Serial1
#define RS485_DEFAULT_DE_PIN 23
#define RS485_DEFAULT_RE_PIN -1
#else
#ifndef RS485_DEFAULT_DE_PIN
#define RS485_DEFAULT_DE_PIN A6
#define RS485_DEFAULT_RE_PIN A5
#endif
#endif

#ifndef SERIAL_PORT_HARDWARE_DEFAULT
#define SERIAL_PORT_HARDWARE_DEFAULT SERIAL_PORT_HARDWARE
#endif

#ifdef CUSTOM_RS485_DEFAULT_DE_PIN
# define RS485_DEFAULT_DE_PIN CUSTOM_RS485_DEFAULT_DE_PIN
#endif
Expand All @@ -64,14 +84,14 @@
class RS485Class : public Stream {
public:
#ifdef __MBED__
RS485Class(HardwareSerial& hwSerial, PinName txPin, PinName dePin, PinName rePin);
RS485Class(SERIAL_HARDWARE_CLASS& hwSerial, PinName txPin, PinName dePin, PinName rePin);
#endif
RS485Class(HardwareSerial& hwSerial, int txPin, int dePin, int rePin);
RS485Class(SERIAL_HARDWARE_CLASS& hwSerial, int txPin, int dePin, int rePin);

virtual void begin(unsigned long baudrate);
virtual void begin(unsigned long baudrate, uint16_t config);
virtual void begin(unsigned long baudrate, int predelay, int postdelay);
virtual void begin(unsigned long baudrate, uint16_t config, int predelay, int postdelay);
virtual void begin(unsigned long baudrate, SERIAL_MODE_TYPE config);
virtual void begin(unsigned long baudrate, SERIAL_MODE_TYPE config, int predelay, int postdelay);
virtual void end();
virtual int available();
virtual int peek();
Expand All @@ -94,7 +114,7 @@ class RS485Class : public Stream {
void setDelays(int predelay, int postdelay);

private:
HardwareSerial* _serial;
SERIAL_HARDWARE_CLASS* _serial;
int _txPin;
int _dePin;
int _rePin;
Expand All @@ -103,9 +123,9 @@ class RS485Class : public Stream {

bool _transmisionBegun;
unsigned long _baudrate;
uint16_t _config;
SERIAL_MODE_TYPE _config;
};

extern RS485Class RS485;

#endif
#endif