EthercatDevice_DmpLCD.lcdFlush()

[EthercatDevice_DmpLCD_Generic]

描述

Wait for all graphics commands for the LCD on the EtherCAT slave device to complete execution.

衍生類別：

語法

int lcdFlush();

參數

無

回傳值

Return 1 to indicate that all graphics commands have been completed. Return 0 to indicate that they are still pending. If the return value is less than 0, it indicates an 錯誤代碼.

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_QECR00UN01 slave;

void CyclicCallback() {
  slave.update();
}

void setup() {
  master.begin();
  slave.attach(0, master);
  slave.lcdInit(ECAT_LCD_ILI9341_1);
  master.attachCyclicCallback(CyclicCallback);
  master.start();
}

void loop() {
  // Graphics commands.
  // ...
  slave.lcdFlush();
}

Please see EthercatDevice_DmpLCD_Generic 類別 for more QEC Stepper Drivers instructions and API usage.