Arduino - SoftwareSerialOverflow

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SoftwareSerial: overflow()

Description

Tests to see if a software serial buffer overflow has occurred. A software serial buffer can hold 64 bytes.

Syntax

mySerial.overflow()

Parameters

none

Returns

boolean

Example

#include <SoftwareSerial.h>

// software serial : TX = digital pin 2, RX = digital pin 3
SoftwareSerial portOne(2, 3);

void setup()
{
// Start the hardware serial port
Serial.begin(9600);

// Start software serial port
portOne.begin(9600);
}

void loop()
{
if (portOne.overflow()) {
Serial.println("SoftwareSerial overflow!");
}

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