WiFi : WiFiUDP.read()

Description

Reads UDP data from the specified buffer. If no arguments are given, it will return the next character in the buffer.

This function can only be successfully called after WiFiUDP.parsePacket().

Syntax

WiFiUDP.read();
WiFiUDP.read(buffer, len);

Parameters

Returns

• b: the characters in the buffer (char)
• size: the size of the buffer
• -1: if no buffer is available

The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.