Directly set standard-conforming RTU delays inside Modbus library.

Author: aentinger

Diff for: examples/RTU/ModbusRTUClientParameters/ModbusRTUClientParameters.ino

@@ -22,8 +22,6 @@ void setup() {
 
   Serial.println("Modbus RTU Client Toggle w/ Parameters");
 
-  RS485.setDelays(ModbusRTUDelay::preDelay(baudrate), ModbusRTUDelay::postDelay(baudrate));
-
   // start the Modbus RTU client in 8E1 mode
   if (!ModbusRTUClient.begin(baudrate, SERIAL_8E1)) {
     Serial.println("Failed to start Modbus RTU Client!");

Diff for: src/ModbusRTUClient.cpp

@@ -42,6 +42,8 @@ ModbusRTUClientClass::~ModbusRTUClientClass()
 
 int ModbusRTUClientClass::begin(unsigned long baudrate, uint16_t config)
 {
+  _rs485->setDelays(ModbusRTUDelay::preDelay(baudrate), ModbusRTUDelay::postDelay(baudrate));
+
   modbus_t* mb = modbus_new_rtu(_rs485, baudrate, config);
 
   if (!ModbusClient::begin(mb, 0x00)) {

Diff for: src/ModbusRTUServer.cpp

@@ -40,6 +40,8 @@ ModbusRTUServerClass::~ModbusRTUServerClass()
 
 int ModbusRTUServerClass::begin(int id, unsigned long baudrate, uint16_t config)
 {
+  _rs485->setDelays(ModbusRTUDelay::preDelay(baudrate), ModbusRTUDelay::postDelay(baudrate));
+
   modbus_t* mb = modbus_new_rtu(_rs485, baudrate, config);
 
   if (!ModbusServer::begin(mb, id)) {