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USBHost : MouseController class

getYChange()

Description

Reports the relative amount of movement of a mouse on the Y-axis since the last time polled. A positive number indicates downward movement, a negative number indicates upward movement.

Syntax

mouse.getYChange()

Parameters

none

Returns

int

Example

#include <MouseController.h> // Initialize USB Controller
USBHost usb; // Attach mouse controller to USB
MouseController mouse(usb) ; void mouseMoved( ) {
  Serial.print ( "Move: " ) ;
  Serial.print (mouse.getXChange ( ) ) ;
  Serial.print ( ", " ) ;
  Serial.println (mouse.getYChange ( ) ) ;
} void setup ( ) {
  Serial.begin ( 9600 ) ;
} void loop ( ) {
  usb.Task ( ) ; }

See Also

Reference Home

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