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/* USBAbsMouse.c */
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/* USB device example: an absolute mouse */
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/* Copyright (c) 2011 ARM Limited. All rights reserved. */
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#include "stdint.h"
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#include "USBAbsMouse.h"
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/*
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* Descriptors
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*/
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uint8_t * USBAbsMouse::ReportDesc() {
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static uint8_t reportDescriptor[] = {
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/* Based on Appendix E.10 of "Device Class Definition for Human Interface
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Devices (HID)" Version 1.11 and modified to use absolute coordinates and a wheel. */
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USAGE_PAGE(1), 0x01, /* Generic Desktop */
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USAGE(1), 0x02, /* Mouse */
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COLLECTION(1), 0x01, /* Application*/
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USAGE(1), 0x01, /* Pointer */
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COLLECTION(1), 0x00, /* Physical */
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USAGE_PAGE(1), 0x01, /* Generic Desktop */
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USAGE(1), 0x30, /* X */
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USAGE(1), 0x31, /* Y */
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LOGICAL_MINIMUM(1), 0x00, /* 0 */
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LOGICAL_MAXIMUM(2), 0xff, 0x7f, /* 32767 */
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REPORT_SIZE(1), 0x10,
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REPORT_COUNT(1), 0x02,
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INPUT(1), 0x02, /* Data, Variable, Absolute */
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USAGE_PAGE(1), 0x01, /* Generic Desktop */
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USAGE(1), 0x38, /* scroll */
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LOGICAL_MINIMUM(1), 0x81, /* -127 */
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LOGICAL_MAXIMUM(1), 0x7f, /* 127 */
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REPORT_SIZE(1), 0x08,
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REPORT_COUNT(1), 0x01,
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INPUT(1), 0x06, /* Data, Variable, Relative */
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USAGE_PAGE(1), 0x09, /* Buttons */
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USAGE_MINIMUM(1), 0x01,
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USAGE_MAXIMUM(1), 0x03,
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LOGICAL_MINIMUM(1), 0x00, /* 0 */
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LOGICAL_MAXIMUM(1), 0x01, /* 1 */
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REPORT_COUNT(1), 0x03,
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REPORT_SIZE(1), 0x01,
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INPUT(1), 0x02, /* Data, Variable, Absolute */
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REPORT_COUNT(1), 0x01,
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REPORT_SIZE(1), 0x05,
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INPUT(1), 0x01, /* Constant */
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END_COLLECTION(0),
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END_COLLECTION(0)
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};
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reportLength = sizeof(reportDescriptor);
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return reportDescriptor;
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}
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bool USBAbsMouse::update(int16_t x, int16_t y, uint8_t buttons, int8_t z) {
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HID_REPORT report;
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report.data[0] = x & 0xff;
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report.data[1] = (x >> 8) & 0xff;
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report.data[2] = y & 0xff;
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report.data[3] = (y >> 8) & 0xff;
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report.data[4] = -z;
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report.data[5] = buttons & 0x07;
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report.length = 6;
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return USBClass_HID_sendInputReport(EPINT_IN, &report);
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}
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