[EthercatDevice_DmpLCD_Generic]
Description
Wait for all graphics commands for the LCD on the EtherCAT slave device to complete execution.
Derived Class:
| Class Name | Vendor ID | Product Code |
| EthercatDevice_QECR11UN01 | 0x00000bc3 | 0x0086d103 |
| EthercatDevice_QECR00UN01 | 0x00000bc3 | 0x0086d100 |
Syntax
int lcdFlush();
Parameters
None.
Return Value
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 error code.
Comment
This function must be called after a successful execution of EthercatMaster::begin(). This function is blocking and cannot be called within the Cyclic Callback.
Example
#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 Class for more QEC Stepper Drivers instructions and API usage.
