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

buffer: buffer to hold incoming packets (char*)
len: maximum size of the buffer (int)

Returns

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

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The text of the 86Duino reference is a modification of the 86Duino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.