Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name

MSBFIRST

Examples
int data = 0; // Wiring pin 0 for data 
int clock = 1;  // Wiring pin 1 for clock 
int strobe = 2;  // Wiring pin 2 for the strobe (latch) 
byte counter = 0;

void setup() {
  pinMode(data OUTPUT);
  pinMode(clock, OUTPUT);
  pinMode(strobe, OUTPUT);
}

void loop() { 
  digitalWrite(strobe, LOW);
  shiftOut(data, clock, MSBFIRST, counter);  // writes counter to the register  
  digitalWrite(strobe, HIGH); 
  delay(1000);
  counter = counter + 1;
}
Description The MSBFIRST reserved word indicates the bit order to use with the shiftOut method. It stands for most significant bit first (leftmost bit).
Syntax
MSBFIRST
Returns none
Usage Application
Related LSBFIRST
shiftOut()
Updated on December 03, 2009 07:01:45pm PST

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