Komut
beginTransmission()
Açıklama
İletimi etkinleştirir, veri göndermek için RS485 .write (...) öğesinden önce çağrılmalıdır.
Sözdizimi
RS485 .beginTransmission ()
Parametreler
Yok
İadeler
hiçbir şey değil
Misal
/*
RS485 Sender
This sketch periodically sends a string over the RS485 interface
Circuit:
- MKR board
- MKR 485 shield
- ISO GND connected to GND of the 485 device
- Y connected to A of the 485 device
- Z connected to B of the 485 device
- Jumper positions
- FULL set to ON
- Z \/\/ Y set to ON
created 4 July 2018
by Sandeep Mistry
*/
#include <ArduinoRS485.h>
int counter = 0;
void setup() {
RS485.begin(9600);
}
void loop() {
RS485.beginTransmission();
RS485.print("hello ");
RS485.println(counter);
RS485.endTransmission();
counter++;
delay(1000);
}
RS485 Sender
This sketch periodically sends a string over the RS485 interface
Circuit:
- MKR board
- MKR 485 shield
- ISO GND connected to GND of the 485 device
- Y connected to A of the 485 device
- Z connected to B of the 485 device
- Jumper positions
- FULL set to ON
- Z \/\/ Y set to ON
created 4 July 2018
by Sandeep Mistry
*/
#include <ArduinoRS485.h>
int counter = 0;
void setup() {
RS485.begin(9600);
}
void loop() {
RS485.beginTransmission();
RS485.print("hello ");
RS485.println(counter);
RS485.endTransmission();
counter++;
delay(1000);
}