Chris Styles / m0-USBMouse

USB Mouse (relative) example for mbed NXP LPC11U24 beta

HID_devices/USBAbsMouse.h@1:e089be2a6aa1, 2011-11-09 (annotated)

Committer:
chris
Date:
Wed Nov 09 15:55:10 2011 +0000
Revision:
1:e089be2a6aa1
Parent:
0:163560051396 
removed include for <math.h> that is already included by mbed.h

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chris 0:163560051396 1 /* USBAbsMouse.h */
chris 0:163560051396 2 /* USB device example: Mouse with absolute positioning */
chris 0:163560051396 3 /* Copyright (c) 2011 ARM Limited. All rights reserved. */
chris 0:163560051396 4
chris 0:163560051396 5 #ifndef _ABSOLUTE_MOUSE_
chris 0:163560051396 6 #define _ABSOLUTE_MOUSE_
chris 0:163560051396 7
chris 0:163560051396 8 #include "GenericMouse.h"
chris 0:163560051396 9 #include "USBHID.h"
chris 0:163560051396 10
chris 0:163560051396 11 /** USB device: an absolute mouse
chris 0:163560051396 12 *
chris 0:163560051396 13 * Warning: you can only instantiate one instance of a USB device: USBMouse, USBKeyboard, USBAbsMouse, USBMouseKeyboard, or USBAbsMouseKeyboard.
chris 0:163560051396 14 *
chris 0:163560051396 15 * Example:
chris 0:163560051396 16 * @code
chris 0:163560051396 17 *
chris 0:163560051396 18 * #include "mbed.h"
chris 0:163560051396 19 * #include "USBAbsMouse.h"
chris 0:163560051396 20 *
chris 0:163560051396 21 * USBAbsMouse mouse;
chris 0:163560051396 22 *
chris 0:163560051396 23 * #define STEP (20)
chris 0:163560051396 24 *
chris 0:163560051396 25 * int main(void)
chris 0:163560051396 26 * {
chris 0:163560051396 27 * int32_t a = X_MIN;
chris 0:163560051396 28 * int32_t dir = STEP;
chris 0:163560051396 29 *
chris 0:163560051396 30 * while (1)
chris 0:163560051396 31 * {
chris 0:163560051396 32 * mouse.move(a, a);
chris 0:163560051396 33 *
chris 0:163560051396 34 * if (((a+dir) > X_MAX) || ((a+dir) < X_MIN))
chris 0:163560051396 35 * {
chris 0:163560051396 36 * // Change direction
chris 0:163560051396 37 * dir = -dir;
chris 0:163560051396 38 * }
chris 0:163560051396 39 *
chris 0:163560051396 40 * a += dir;
chris 0:163560051396 41 * }
chris 0:163560051396 42 * }
chris 0:163560051396 43 *
chris 0:163560051396 44 * @endcode
chris 0:163560051396 45 */
chris 0:163560051396 46 class USBAbsMouse: public GenericMouse, public USBHID
chris 0:163560051396 47 {
chris 0:163560051396 48 public:
chris 0:163560051396 49 /**
chris 0:163560051396 50 * Constructor for a USBAbsMouse (an absolute mouse)
chris 0:163560051396 51 */
chris 0:163560051396 52 USBAbsMouse(){};
chris 0:163560051396 53
chris 0:163560051396 54 /**
chris 0:163560051396 55 * Write a state of the mouse
chris 0:163560051396 56 *
chris 0:163560051396 57 * @param x x absolute position
chris 0:163560051396 58 * @param y y absolute position
chris 0:163560051396 59 * @param buttons buttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE)
chris 0:163560051396 60 * @param z wheel state (>0 to scroll down, <0 to scroll up)
chris 0:163560051396 61 * @return true if there is no error, false otherwise
chris 0:163560051396 62 */
chris 0:163560051396 63 virtual bool update(int16_t x, int16_t y, uint8_t buttons, int8_t z);
chris 0:163560051396 64
chris 0:163560051396 65 virtual uint8_t * ReportDesc();
chris 0:163560051396 66
chris 0:163560051396 67
chris 0:163560051396 68
chris 0:163560051396 69 };
chris 0:163560051396 70
chris 0:163560051396 71 #endif