update serial config parm

Author: Gitshaoxiang

src/ModbusRTUClient.cpp

@@ -40,7 +40,7 @@ ModbusRTUClientClass::~ModbusRTUClientClass()
 {
 }
 
-int ModbusRTUClientClass::begin(unsigned long baudrate, uint16_t config)
+int ModbusRTUClientClass::begin(unsigned long baudrate, uint32_t config)
 {
   modbus_t* mb = modbus_new_rtu(_rs485, baudrate, config);
 
@@ -51,7 +51,7 @@ int ModbusRTUClientClass::begin(unsigned long baudrate, uint16_t config)
   return 1;
 }
 
-int ModbusRTUClientClass::begin(RS485Class& rs485, unsigned long baudrate, uint16_t config)
+int ModbusRTUClientClass::begin(RS485Class& rs485, unsigned long baudrate, uint32_t config)
 {
   _rs485 = &rs485;
   return begin(baudrate, config);

src/ModbusRTUClient.h

@@ -21,6 +21,7 @@
 #define _MODBUS_RTU_CLIENT_H_INCLUDED
 
 #include "ModbusClient.h"
+#include <Arduino.h>
 #include <ArduinoRS485.h>
 
 class ModbusRTUClientClass : public ModbusClient {
@@ -37,8 +38,8 @@ class ModbusRTUClientClass : public ModbusClient {
    *
    * Return 1 on success, 0 on failure
    */
-  int begin(unsigned long baudrate, uint16_t config = SERIAL_8N1);
-  int begin(RS485Class& rs485, unsigned long baudrate, uint16_t config = SERIAL_8N1);
+  int begin(unsigned long baudrate, uint32_t config = SERIAL_8N1);
+  int begin(RS485Class& rs485, unsigned long baudrate, uint32_t config = SERIAL_8N1);
 
 private:
   RS485Class* _rs485 = &RS485;

src/ModbusRTUServer.cpp

@@ -38,7 +38,7 @@ ModbusRTUServerClass::~ModbusRTUServerClass()
 {
 }
 
-int ModbusRTUServerClass::begin(int id, unsigned long baudrate, uint16_t config)
+int ModbusRTUServerClass::begin(int id, unsigned long baudrate, uint32_t config)
 {
   modbus_t* mb = modbus_new_rtu(_rs485, baudrate, config);
 
@@ -51,7 +51,7 @@ int ModbusRTUServerClass::begin(int id, unsigned long baudrate, uint16_t config)
   return 1;
 }
 
-int ModbusRTUServerClass::begin(RS485Class& rs485, int id, unsigned long baudrate, uint16_t config)
+int ModbusRTUServerClass::begin(RS485Class& rs485, int id, unsigned long baudrate, uint32_t config)
 {
   _rs485 = &rs485;
   return begin(id, baudrate, config);

src/ModbusRTUServer.h

@@ -38,8 +38,8 @@ class ModbusRTUServerClass : public ModbusServer {
    *
    * Return 1 on success, 0 on failure
    */
-  int begin(int id, unsigned long baudrate, uint16_t config = SERIAL_8N1);
-  int begin(RS485Class& rs485, int id, unsigned long baudrate, uint16_t config = SERIAL_8N1);
+  int begin(int id, unsigned long baudrate, uint32_t config = SERIAL_8N1);
+  int begin(RS485Class& rs485, int id, unsigned long baudrate, uint32_t config = SERIAL_8N1);
 
   /**
    * Poll interface for requests

src/libmodbus/modbus-rtu-private.h

@@ -48,7 +48,7 @@ struct win32_ser {
 typedef struct _modbus_rtu {
 #if defined(ARDUINO)
     unsigned long baud;
-    uint16_t config;
+    uint32_t config;
     RS485Class* rs485;
 #else
     /* Device: "/dev/ttyS0", "/dev/ttyUSB0" or "/dev/tty.USA19*" on Mac OS X. */

src/libmodbus/modbus-rtu.cpp

@@ -1330,7 +1330,7 @@ const modbus_backend_t _modbus_rtu_backend = {
 };
 
 #ifdef ARDUINO
-modbus_t* modbus_new_rtu(RS485Class *rs485, unsigned long baud, uint16_t config)
+modbus_t* modbus_new_rtu(RS485Class *rs485, unsigned long baud, uint32_t config)
 #else
 modbus_t* modbus_new_rtu(const char *device,
                          int baud, char parity, int data_bit,

src/libmodbus/modbus-rtu.h

@@ -19,7 +19,7 @@ MODBUS_BEGIN_DECLS
 
 #ifdef ARDUINO
 class RS485Class;
-MODBUS_API modbus_t* modbus_new_rtu(RS485Class *rs485, unsigned long baud, uint16_t config);
+MODBUS_API modbus_t* modbus_new_rtu(RS485Class *rs485, unsigned long baud, uint32_t config);
 #else
 MODBUS_API modbus_t* modbus_new_rtu(const char *device, int baud, char parity,
                                     int data_bit, int stop_bit);