EthercatMaster.getRevisionNumber()

[Ethercat Master]

Description

Get the EtherCAT Slave revision Number on EtherCAT bus.

Syntax

uint32_t getRevisionNumber(uint16_t slave_no);

Parameters

• [in] unit16_t slave_no
  The sequence number of the EtherCAT slave device on the network, 0 indicates the first slave device, 1 indicates the second slave device, and so on.

Return Value

Return the Revision Number of the specified slave. If an error occurs, it will return UINT32_MAX.

Comment

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.

Example

#include "Ethercat.h"

EthercatMaster master;

void setup() {
    uint32_t slaverevisionnumber;
    uint16_t slavecount=1;
    Serial.begin(115200);
    while (!Serial);
    master.begin();
    slaverevisionnumber = master.getRevisionNumber(slavecount);
    Serial.println(slaverevisionnumber);
}

void loop() {

}

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