EthercatDevice_Dmp.getInvoiceNumber()

[EthercatDevice_Dmp]

描述

Get the invoice number.

語法

char *getInvoiceNumber(char *buffer = NULL);

參數

• [out] char *buffer
  String data buffer, please ensure that the string array size is greater than or equal to 12. If this parameter is not provided, the internal data buffer will be used.

回傳值

Return a pointer to the invoice number string.

備註

This function must be called after a successful execution of EthercatMaster::begin(). This function is blocking and cannot be called within the callback functions.

範例程式碼

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_QECR11DT0H slave;
char InvoiceNumber[12];

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

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

  Serial.print("Invoice Number: ");
  Serial.println(slave.getInvoiceNumber());
  Serial.print("Invoice Number: ");
  Serial.println(slave.getInvoiceNumber(InvoiceNumber));
  Serial.print("Invoice Number: ");
  Serial.println(InvoiceNumber);
}

void loop() {
  // ...
}

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