EthercatDevice.pdoRead32()

[Ethercat Device]

Description

Read 32-bit input process data which starting from the specified offset for such EtherCAT slave device.

Syntax

uint32_t pdoRead32(uint32_t offset);

Parameters

• [in] uint32_t offset
  The offset value of input process data for such EtherCAT slave device.

Return Value

Return the 32-bit input process data.

Comment

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

Example

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_Generic slave;

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

  master.begin();
  slave.attach(0, master);
  master.start(1000000);
}

void loop() {
  Serial.print("Value: ");
  Serial.println(slave.pdoRead32(0));
  delay(1000);
}

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