14.06 проверка на другом компе

project/project.ino

@@ -1,20 +1,28 @@
-#include <ModbusSerial.h>
+#include <ModbusSerial.h> 
+const int GPIOCoil = 0; 
 
-// Define pins
-#define PIN_INPUT 3
-#define PIN_LED 13
-
-// Create Modbus object
-ModbusSerial mb(Serial, 1); // Assuming slave ID is 1
+#define MySerial Serial // define serial port used, Serial most of the time, or Serial1, Serial2 ... if available
+ 
+bool coils[10]; 
+int pinToRead = 2;  
+ 
+ModbusSerial mb (MySerial, 1);
 
 void setup() {
-  Serial.begin(9600);
-  pinMode(PIN_INPUT, INPUT);
-  pinMode(PIN_LED, OUTPUT);
-}
 
-void loop() {
-  int sensorVal = digitalRead(PIN_INPUT);
-  mb.task(); // Update Modbus communication
-  delay(500);
+  MySerial.begin (9600, MB_PARITY_NONE); // prefer this line in accordance with the modbus standard.
+  while (! MySerial)
+    ;
+
+  mb.config (9600);
 }
+ 
+void loop() { 
+  // mb.setIsts(0, digitalRead(pinToRead)); 
+  // mb.task();   
+  int r = Serial.read();
+  if (r >= 0){
+     Serial.write(r);
+     Serial.write(r);
+  }
+}