Реализовано взаимодействие Master-Slave системы через Modbus.

2024-05-06 20:16:53 +03:00
parent 472932b54c
commit fdeeca4e79
8 changed files with 143 additions and 42 deletions
@@ -0,0 +1,31 @@
+# include <ModbusRTUSlave.h>
+
+const uint8_t coilPins[2] = {4, 5};
+const uint8_t discreteInputPins[2] = {2, 3};
+
+ModbusRTUSlave modbus(Serial);
+
+bool coils[5];
+bool discreteInputs[5];
+
+void setup() {
+  pinMode(coilPins[0], OUTPUT);
+  pinMode(coilPins[1], OUTPUT);
+  pinMode(discreteInputPins[0], INPUT);
+  pinMode(discreteInputPins[1], INPUT);
+
+  modbus.configureCoils(coils, 5);
+  modbus.configureDiscreteInputs(discreteInputs, 5);
+  modbus.begin(1, 9600);
+}
+
+void loop() {
+  discreteInputs[0] = digitalRead(discreteInputPins[0]);
+  discreteInputs[1] = digitalRead(discreteInputPins[1]);
+  //Serial.print(discreteInputs[0]);
+
+  modbus.poll();
+
+  digitalWrite(coilPins[0], coils[0]);
+  digitalWrite(coilPins[1], coils[1]);
+}