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Fix: Since we use all available pins for RS485 communication there is no reason to check if all pins have been correctly configured. #89

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Aug 26, 2022
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51 changes: 14 additions & 37 deletions src/lib/motors/RS485.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -51,15 +51,11 @@ void RS485Class::begin(unsigned long baudrate, uint16_t config, int predelay, in
_predelay = predelay;
_postdelay = postdelay;

if (_dePin > -1) {
pinMode(_dePin, OUTPUT);
digitalWrite(_dePin, LOW);
}
pinMode(_dePin, OUTPUT);
digitalWrite(_dePin, LOW);

if (_rePin > -1) {
pinMode(_rePin, OUTPUT);
digitalWrite(_rePin, HIGH);
}
pinMode(_rePin, OUTPUT);
digitalWrite(_rePin, HIGH);

_transmisionBegun = false;

Expand All @@ -70,15 +66,11 @@ void RS485Class::end()
{
_serial->end();

if (_rePin > -1) {
digitalWrite(_rePin, LOW);
pinMode(_dePin, INPUT);
}
digitalWrite(_rePin, LOW);
pinMode(_dePin, INPUT);

if (_dePin > -1) {
digitalWrite(_dePin, LOW);
pinMode(_rePin, INPUT);
}
digitalWrite(_dePin, LOW);
pinMode(_rePin, INPUT);
}

int RS485Class::available()
Expand Down Expand Up @@ -118,10 +110,8 @@ RS485Class::operator bool()

void RS485Class::beginTransmission()
{
if (_dePin > -1) {
digitalWrite(_dePin, HIGH);
if (_predelay) delayMicroseconds(_predelay);
}
digitalWrite(_dePin, HIGH);
if (_predelay) delayMicroseconds(_predelay);

_transmisionBegun = true;
}
Expand All @@ -130,26 +120,20 @@ void RS485Class::endTransmission()
{
_serial->flush();

if (_dePin > -1) {
if (_postdelay) delayMicroseconds(_postdelay);
digitalWrite(_dePin, LOW);
}
if (_postdelay) delayMicroseconds(_postdelay);
digitalWrite(_dePin, LOW);

_transmisionBegun = false;
}

void RS485Class::receive()
{
if (_rePin > -1) {
digitalWrite(_rePin, LOW);
}
digitalWrite(_rePin, LOW);
}

void RS485Class::noReceive()
{
if (_rePin > -1) {
digitalWrite(_rePin, HIGH);
}
digitalWrite(_rePin, HIGH);
}

void RS485Class::sendBreak(unsigned int duration)
Expand All @@ -171,10 +155,3 @@ void RS485Class::sendBreakMicroseconds(unsigned int duration)
delayMicroseconds(duration);
_serial->begin(_baudrate, _config);
}

void RS485Class::setPins(int txPin, int dePin, int rePin)
{
_txPin = txPin;
_dePin = dePin;
_rePin = rePin;
}
2 changes: 0 additions & 2 deletions src/lib/motors/RS485.h
Original file line number Diff line number Diff line change
Expand Up @@ -66,8 +66,6 @@ class RS485Class : public Stream {
void sendBreak(unsigned int duration);
void sendBreakMicroseconds(unsigned int duration);

void setPins(int txPin, int dePin, int rePin);

private:
HardwareSerial* _serial;
int _txPin;
Expand Down