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Add config parameter to RS485 initialization #27

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Merged
leonardocavagnis merged 6 commits into from
Nov 20, 2025
Merged

Add config parameter to RS485 initialization #27

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b5a6775
Update RS485CommClass.cpp
svollenweider Jan 3, 2025
b1f871e
Update RS485CommClass.h
svollenweider Jan 3, 2025
7a4bbaf
Merge branch 'arduino-libraries:main' into main
svollenweider Sep 15, 2025
aca2de0
Update RS485_fullduplex.ino
svollenweider Sep 15, 2025
13ee6db
Update RS485_halfduplex.ino
svollenweider Sep 15, 2025
bf6efca
Removed = in cpp
svollenweider Sep 15, 2025
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4 changes: 2 additions & 2 deletions examples/RS485_fullduplex/RS485_fullduplex.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ void setup() {
// - Half Duplex
// - No A/B and Y/Z 120 Ohm termination enabled
// Enable the RS485/RS232 system
MachineControl_RS485Comm.begin(115200, 0, 500); // Specify baudrate, and preamble and postamble times for RS485 communication
MachineControl_RS485Comm.begin(115200, SERIAL_8N1, 0, 500); // Specify baudrate, serial_config and preamble and postamble times for RS485 communication

// Enable Full Duplex mode
// This will also enable A/B and Y/Z 120 Ohm termination resistors
Expand Down Expand Up @@ -70,4 +70,4 @@ void loop() {

sendNow = millis() + sendInterval;
}
}
}
4 changes: 2 additions & 2 deletions examples/RS485_halfduplex/RS485_halfduplex.ino
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Expand Up @@ -37,7 +37,7 @@ void setup() {
// - Half Duplex
// - No A/B and Y/Z 120 Ohm termination enabled
// Enable the RS485/RS232 system
MachineControl_RS485Comm.begin(115200, 0, 500); // Specify baudrate, and preamble and postamble times for RS485 communication
MachineControl_RS485Comm.begin(115200, SERIAL_8N1, 0, 500); // Specify baudrate, serial config and preamble and postamble times for RS485 communication

// Start in receive mode
MachineControl_RS485Comm.receive();
Expand Down Expand Up @@ -65,4 +65,4 @@ void loop() {

sendNow = millis() + sendInterval;
}
}
}
6 changes: 3 additions & 3 deletions src/RS485CommClass.cpp
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Expand Up @@ -17,7 +17,7 @@ RS485CommClass::RS485CommClass(arduino::UART& uart_itf, PinName rs_tx_pin, PinNa
RS485CommClass::~RS485CommClass()
{ }

void RS485CommClass::begin(unsigned long baudrate, int predelay, int postdelay) {
void RS485CommClass::begin(unsigned long baudrate, uint16_t config, int predelay, int postdelay) {
/* Pinout configuration */
pinMode(PinNameToIndex(MC_RS485_TX_PIN), OUTPUT);
pinMode(PinNameToIndex(MC_RS485_RX_PIN), OUTPUT);
Expand Down Expand Up @@ -45,7 +45,7 @@ void RS485CommClass::begin(unsigned long baudrate, int predelay, int postdelay)
_enable();

/* Call begin() base class to initialize RS485 communication */
RS485Class::begin(baudrate, predelay, postdelay);
RS485Class::begin(baudrate, config, predelay, postdelay);

return;
}
Expand Down Expand Up @@ -92,4 +92,4 @@ void RS485CommClass::_disable() {

arduino::UART _UART4_ {MC_RS485_TX_PIN, MC_RS485_RX_PIN, NC, NC};
RS485CommClass MachineControl_RS485Comm(_UART4_);
/**** END OF FILE ****/
/**** END OF FILE ****/
3 changes: 2 additions & 1 deletion src/RS485CommClass.h
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Expand Up @@ -54,10 +54,11 @@ class RS485CommClass : public RS485Class {
* This method initializes the RS485 communication protocol with the specified baud rate and pre/post delays.
*
* @param baudrate The desired baud rate for the RS485 communication.
* @param config The desired Serial config (bits, parity and stopbits), see HardwareSerial.h
* @param predelay The delay before sending data in the RS485 communication (default: RS485_DEFAULT_PRE_DELAY).
* @param postdelay The delay after sending data in the RS485 communication (default: RS485_DEFAULT_POST_DELAY).
*/
void begin(unsigned long baudrate = 115200, int predelay = RS485_DEFAULT_PRE_DELAY, int postdelay = RS485_DEFAULT_POST_DELAY);
void begin(unsigned long baudrate = 115200, uint16_t config = SERIAL_8N1, int predelay = RS485_DEFAULT_PRE_DELAY, int postdelay = RS485_DEFAULT_POST_DELAY);

/**
* @brief Close the RS485 communication protocol.
Expand Down