highByte()

Description

Extrait l'octet de poids fort (le plus à gauche d'une variable de type word (ou le second octet d'une variable d'un type plus grand).

Syntaxe

highByte(x)

Paramètres

  • x: une valeur de n'importe quel type

Valeurs Renvoyées

  • L'octet de poids fort d'un word ou le second octet d'une variable plus grande.

Exemple

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  

Voir Également

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