Open paxsipornax opened 2 years ago
SoftwareSerial RS485Serial(10, 11); // RX, TX
Modbus slave(RS485Serial, 1, 2);
int led = 12;
int dl_ro = 2;
void setup() {
pinMode(dl_ro, OUTPUT); pinMode(led, OUTPUT); slave.cbVector[CB_WRITE_COILS] = writeDigitalOut; RS485Serial.begin(9600); slave.begin(9600);
}
void loop() { slave.poll(); }
uint8_t writeDigitalOut(uint8_t fc, uint16_t address, uint16_t length) { Serial.print("FC=05: "); Serial.println(fc); Serial.println(address); Serial.println(length);
if (address == led) { digitalWrite(12, slave.readCoilFromBuffer(0)); }
return STATUS_OK;
use arduino?
include
include
SoftwareSerial RS485Serial(10, 11); // RX, TX
Modbus slave(RS485Serial, 1, 2);
int led = 12;
int dl_ro = 2;
void setup() {
}
void loop() { slave.poll(); }
uint8_t writeDigitalOut(uint8_t fc, uint16_t address, uint16_t length) { Serial.print("FC=05: "); Serial.println(fc); Serial.println(address); Serial.println(length);
if (address == led) { digitalWrite(12, slave.readCoilFromBuffer(0)); }
}