EthercatDevice.getSlaveNo()

[Ethercat Device]

描述

Get the sequence ID of the EtherCAT slave device on the EtherCAT network.

語法

int getSlaveNo();

參數

無

回傳值

Return the sequence ID of the EtherCAT slave device on the EtherCAT network. If the return value is less than 0, it indicates an 錯誤代碼.

備註

This function must be called after a successful execution of EthercatMaster::begin(). This function is non-blocking and can be called within the Cyclic Callback.

範例

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_Generic slave;

void setup() {
  Serial.begin(115200);

  master.begin();
  slave.attach(0, master);

  Serial.println(slave.getSlaveNo());
}

void loop() {
  // put your main code here, to run repeatedly:

}

Please see the EtherCAT Library User Manual for more QEC EtherCAT instructions and API usage.