EthercatDevice.pdoBitWrite()

[Ethercat Device]

描述

Write the specified bit value to the output process data of such slave device.

語法

int pdoBitWrite(uint32_t bit_offset, uint8_t value);

參數

• [in] uint32_t bit_offset
  The bit offset value of output process data for such EtherCAT slave device.
• [in] unit_8_t value
  The bit value to be written to output process data for such EtherCAT slave device.

回傳值

Return an error code. If the returned value is zero, it indicates a successful execution of this function.

備註

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.

範例

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_Generic slave;

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

void loop() {
  slave.pdoBitWrite(0, 1);
  delay(500);
  slave.pdoBitWrite(0, 0);
  delay(1000);
}

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