feat: ModBus Hardware Testing Folder

Codes and manual for Modbus hardware testing

FLIPPER_MOD_BUS/Testing/Master/Master.ino

@@ -0,0 +1,51 @@
+//#include <SoftwareSerial.h>
+#include <ModbusRTUMaster.h>
+
+const uint8_t rxPin = 10;
+const uint8_t txPin = 11;
+const uint8_t dePin = 2;
+const uint8_t ledPin = 13;
+
+ModbusRTUMaster modbus(Serial1, dePin); // serial port, driver enable pin for rs-485 (optional)
+
+bool coils[4] = {0};
+bool discreteInputs[4]= {0};
+uint16_t holdingRegisters[1]= {0};
+uint16_t inputRegisters[1]= {0};
+
+const bool testCoils[4] = {1,0,1,0};
+const uint16_t testInputs[4] = {1,1,1,1};
+const uint16_t testInputRegs[1] = {100};
+const uint16_t testRegs[1] = {500};
+
+void setup() {  
+  modbus.begin(9600); // baud rate, config (optional)
+  pinMode(13,OUTPUT);
+}
+void showResult(bool err = false){
+  digitalWrite(ledPin, 1);
+  if(err){
+    while(1){
+      digitalWrite(ledPin,0);
+      delay(100);
+      digitalWrite(ledPin,1);
+      delay(100);
+    }
+  }
+
+}
+void loop() {
+  modbus.readCoils(1,0, coils, 4);
+  delay(100);
+  modbus.readHoldingRegisters(1,0, holdingRegisters, 1);
+  delay(100);
+  modbus.readDiscreteInputs(1, 0, discreteInputs, 4);              // slave id, starting data address, bool array to place discrete input values, number of discrete inputs to read
+  delay(100);
+  modbus.readInputRegisters(1, 0, inputRegisters, 1); 
+  for(int i =0; i<4; i++){
+    if(coils[i] != testCoils[i]) showResult(true);
+    if(discreteInputs[i] != testInputs[i]) showResult(true);
+  }
+  if(holdingRegisters[0]!= testRegs[0] || inputRegisters[0]!= testInputRegs[0]) showResult(true);
+  showResult();
+}

FLIPPER_MOD_BUS/Testing/Slave1/Slave1.ino

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+#include <ModbusRTUSlave.h>
+#define SLAVE 1
+
+const byte dePin = 13;
+ModbusRTUSlave modbus(Serial1, dePin); // serial port, driver enable pin for rs-485
+
+bool discreteInputs[4] = {1,1,1,1};
+uint16_t inputRegisters[1] = {100};
+
+bool coils[4] = {1,0,1,0};
+uint16_t holdingRegisters[1] = {500};
+
+void setup() {
+
+  modbus.configureCoils(coils, 4);                       // bool array of coil values, number of coils
+  modbus.configureDiscreteInputs(discreteInputs, 4);     // bool array of discrete input values, number of discrete inputs
+  modbus.configureHoldingRegisters(holdingRegisters, 1); // unsigned 16 bit integer array of holding register values, number of holding registers
+  modbus.configureInputRegisters(inputRegisters, 1);     // unsigned 16 bit integer array of input register values, number of input registers
+
+  modbus.begin(SLAVE, 9600);
+}
+
+void loop() {
+
+  modbus.poll();
+
+}