First commit

firmware/Modbus-Arduino/issues/modbus-arduino-Issue2/src/main.cpp

@@ -0,0 +1,28 @@
+#include <Arduino.h>
+#include <ModbusSerial.h>
+
+ModbusSerial mb (Serial, 10);
+
+const uint8_t NbOfCoil = 19;
+const uint16_t FirstCoil = 20;
+const uint32_t CoilValues = 0x056BCD;
+
+void setup() {
+#ifdef ESP32
+  Serial.begin (38400, SERIAL_8E1);
+#else
+  Serial.begin (38400);
+#endif
+  mb.config (38400);
+
+  for (uint8_t i = 0; i < NbOfCoil; i++) {
+
+    mb.addCoil (FirstCoil -1 + i, (CoilValues & (1 << i)) != 0);
+  }
+}
+
+void loop() {
+
+  mb.task();
+}
+