EthercatDevice_Dmp.tryToGetWorkingHours()

[EthercatDevice_Dmp]

描述

Try to get the working hours in a non-blocking manner. If it returns true, the reading process is complete, and you must immediately call getWorkingHours() to get the value. Otherwise, it indicates that the process is not yet complete.

語法

bool tryToGetWorkingHours();

參數

無

回傳值

Return a boolean value indicating whether the non-blocking read process has completed.

• true: completed.
• false: in progress.

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 callback functions.

範例程式碼

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_QECR11DT0H slave;
int WorkingHours;

void CyclicCallback() {
  if (slave.tryToGetWorkingHours())
    WorkingHours = slave.getWorkingHours();
}

void setup() {
  Serial.begin(115200);
  
  master.begin();
  slave.attach(0, master);
  master.attachCyclicCallback(CyclicCallback);
  master.start();
}

void loop() {
  Serial.print("Working Hours: ");
  Serial.println(WorkingHours);
  // ...
}

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