EthercatDevice_DmpHID.uartSetFlowControl()

[EthercatDevice_DmpHID_Generic]

描述

Configure the flow control mode for the specified UART port of the EtherCAT slave device.

衍生類別：

語法

int uartSetFlowControl(int dev, int control);

參數

• [in] int dev
  The specified UART port of the EtherCAT slave device.
  • 0 for COM1.
  • 1 for COM2.
• [in] int control
  The flow control mode to be configured.
  • ECAT_UART_NO_CONTROL: Disable flow control.
  • ECAT_UART_RTS_CTS: RTS/CTS flow control is a hardware flow control scheme that is commonly used in RS232.

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::begin(). This function is blocking and cannot be called within the Cyclic Callback.

範例

#include "Ethercat.h"

EthercatMaster master;
EthercatDevice_QECR11HU9S slave;

void setup() {
  master.begin();
  slave.attach(0, master);
  slave.uartSetFlowControl(0, ECAT_UART_RTS_CTS);
}

void loop() {
  // ...
}

Please see EthercatDevice_DmpHID_Generic 類別 for more QEC HID slave instructions and API usage.