highByte()

Description

Extracts the high-order (leftmost) byte of a word (or the second lowest byte of a larger data type).

Syntax

highByte(x)

Parameter Values

  • x: a value of any type

Return Values

  • Data type: byte.

Example

void setup() { Serial.begin(9600); // setup serial int variable = 7982; Serial.print("VARIABLE: "); Serial.println(variable, HEX); // in hex format byte high_byte = highByte(variable); Serial.print("HIGH_BYTE: "); Serial.println(high_byte, HEX); // in hex format } void loop() { }

The result in Serial Monitor:

COM6
Send
VARIABLE: 1F2E HIGH_BYTE: 1F
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

See Also

ARDUINO BUY RECOMMENDATION

Arduino UNO R3
Arduino Starter Kit
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