Description
Serial.readBytes()
reads characters from the serial port into a buffer. The function terminates if the determined length has been read, or it times out (see Serial.setTimeout()).
Serial.readBytes()
returns the number of characters placed in the buffer. A 0 means no valid data was found.
Serial.readBytes()
inherits from the Stream utility class.
Syntax
Serial.readBytes(buffer, length)
Parameters
Serial
: serial port object. See the list of available serial ports for each board on the Serial main page.
buffer
: the buffer to store the bytes in. Allowed data types: array of char
or byte
.
length
: the number of bytes to read. Allowed data types: int
.
Returns
The number of bytes placed in the buffer. Data type: size_t
.