EthercatDevice_DmpLCD.lcdSetTextCursor()

[EthercatDevice_DmpLCD_Generic]

描述

Move the text cursor on the LCD display of the EtherCAT slave device to the specified pixel position. Subsequent text will be printed starting from that position.

衍生類別：

語法

int lcdSetTextCursor(int16_t x, int16_t y);

參數

• [in] int16_t x
  The X-axis position of the desired text cursor.
• [in] int16_t y
  The Y-axis position of the desired text cursor.

回傳值

返回一個 錯誤代碼。如果傳回值為零，則表示該函式執行成功。

備註

This function must be called after a successful execution of EthercatMaster::begin(). This function is non-blocking and can 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();

  slave.lcdPrint("Hello World!\n");
  slave.lcdSetTextCursor(100, 100);
  slave.lcdPrint("Hello World!\n");
}

void loop() {
  // ...
}

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