updates lib

examples/demo/demo.ino

@@ -15,6 +15,10 @@ void setup() {
 
  modbusrtu.setup(&Serial1,RS485_GPIO_RX,RS485_GPIO_TX,RS485_GPIO_RTS);
  modbusrtu.begin(1,9600,SERIAL_8N1);
+
+ modbusrtu.change_config(1,115200,SERIAL_8N1);
+
+ modbusrtu.change_config(1,9600,SERIAL_8N1);
 }
 
 uint8_t loop_counter = 1;

library.properties

@@ -1,5 +1,5 @@
 name=modbusrtu
-version=0.1.0
+version=1.0.0
 author=J. Lucas S. <[email protected]>
 maintainer=J. Lucas S. <[email protected]>
 sentence=ModbusRTU implementation for Arduino.

src/modbus-rtu.cpp

@@ -22,6 +22,12 @@ void ModbusRTU::begin(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_
  #endif
 }
 
+void ModbusRTU::change_config(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_t retries_){
+ #ifndef UNITTEST
+ rs485comm.change_config( mode_, baudrate_, config_, retries_);
+ #endif
+}
+
 #ifdef UNITTEST
 char response[256];
 uint8_t len_response = 0;

src/modbus-rtu.h

@@ -33,7 +33,8 @@ class ModbusRTU {
 public:
  ModbusRTU(){};
  static void setup(HardwareSerial* serial, uint8_t rx, uint8_t tx, uint8_t rts);
- static void begin(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_t retries_);
+ static void begin(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_t retries_=3);
+ static void change_config(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_t retries_=3);
  #ifdef UNITTEST
  bool rs485_set_response(uint8_t* data, uint16_t size);
  #endif

src/rs485.cpp

@@ -71,6 +71,37 @@ void RS485Comm::begin(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_
  digitalWrite(RTS_GPIO, RTS_LOGIC ? LOW : HIGH);
 }
 
+void RS485Comm::change_config(int8_t mode_, uint32_t baudrate_, uint32_t config_, uint8_t retries_) {
+
+ mode = mode_;
+ retries = retries_;
+ baudrate = baudrate_;
+ config = config_;
+
+ if(mode == 0){
+ DBGLOG(Info,"settings: rs485 disabled");
+ }else if(mode == 1){
+ DBGLOG(Info,"settings: rs485 configured as master");
+ }else if(mode == 2){
+ DBGLOG(Info,"settings: rs485 configured as slave");
+ }else{
+ DBGLOG(Error,"settings: rs485 mode not available");
+ }
+
+ if (mode != 1 && mode != 2) return;
+
+
+ DBGLOG(Info,"rs485: prepare to init");
+ DBGLOG(Info,"active: "+String(mode));
+ DBGLOG(Info,"retries: "+String(retries));
+ DBGLOG(Info,"baudrate: "+String(baudrate));
+ DBGLOG(Info,"parity: "+String(config));
+
+ rs485->begin(baudrate,config,RX_GPIO,TX_GPIO);
+
+ DBGLOG(Info,"rs485: init");
+}
+
 void RS485Comm::write(uint8_t data[], uint8_t len) {
  if (!mode) return;
 

src/rs485.h

@@ -20,6 +20,7 @@ class RS485Comm {
  void setup(HardwareSerial* serial, uint8_t rx_pin, uint8_t tx_pin, uint8_t rts_pin, bool logic);
  // initialize RS485 comunication
  void begin(int8_t mode, uint32_t baudrate = 9600, uint32_t config = SERIAL_8N1, uint8_t retries = 3);
+ void change_config(int8_t mode, uint32_t baudrate = 9600, uint32_t config = SERIAL_8N1, uint8_t retries = 3);
  // write data to RS485
  void write(uint8_t data[], uint8_t len);
  // read data from RS485