EthercatDevice.sdoUpload8()

[Ethercat Device]

描述

Read 8-bit value from the specified object for such EtherCAT slave device.

語法

uint8_t sdoUpload8(uint16_t od_index, uint8_t od_subindex, uint32_t timeout_us = 100000);

參數

• [in] uint16_t od_index
  Index of the object.
• [in] uint8_t od_subindex
  Subindex of the object.
• [in] uint32_t timeout_us
  Timeout in microseconds.

回傳值

Return the 8-bit value.

備註

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

範例

#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.sdoUpload8(0x6040, 0x00));
  delay(1000);
}

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