Tasmota/lib/TasmotaModbus-1.2.0/examples/modbustest/modbustest.ino

32 lines
640 B
Arduino
Raw Normal View History

#include <TasmotaModbus.h>
TasmotaModbus Modbus(14, 12);
void setup() {
Serial.begin(115200);
Modbus.Begin(9600);
Serial.println("\nTasmotaModbus test started");
Modbus.Send(0x01, 0x04, 0, 8);
}
void loop() {
if (Modbus.ReceiveReady()) {
uint8_t buffer[26];
uint8_t error = Modbus.ReceiveBuffer(buffer, 8);
if (error) {
Serial.print("Modbus response error ");
Serial.println(error);
} else {
Serial.print("Modbus received:");
for (int i = 0; i < (buffer[2]) ? buffer[2] +5 : sizeof(buffer); i++) {
Serial.print(" ");
Serial.print(buffer[i], HEX);
}
}
}
}