USB Mouse (relative) example for mbed NXP LPC11U24 beta
HID_devices/USBAbsMouse.c
- Committer:
- chris
- Date:
- 2011-10-24
- Revision:
- 0:163560051396
File content as of revision 0:163560051396:
/* USBAbsMouse.c */ /* USB device example: an absolute mouse */ /* Copyright (c) 2011 ARM Limited. All rights reserved. */ #include "stdint.h" #include "USBAbsMouse.h" /* * Descriptors */ uint8_t * USBAbsMouse::ReportDesc() { static uint8_t reportDescriptor[] = { /* Based on Appendix E.10 of "Device Class Definition for Human Interface Devices (HID)" Version 1.11 and modified to use absolute coordinates and a wheel. */ USAGE_PAGE(1), 0x01, /* Generic Desktop */ USAGE(1), 0x02, /* Mouse */ COLLECTION(1), 0x01, /* Application*/ USAGE(1), 0x01, /* Pointer */ COLLECTION(1), 0x00, /* Physical */ USAGE_PAGE(1), 0x01, /* Generic Desktop */ USAGE(1), 0x30, /* X */ USAGE(1), 0x31, /* Y */ LOGICAL_MINIMUM(1), 0x00, /* 0 */ LOGICAL_MAXIMUM(2), 0xff, 0x7f, /* 32767 */ REPORT_SIZE(1), 0x10, REPORT_COUNT(1), 0x02, INPUT(1), 0x02, /* Data, Variable, Absolute */ USAGE_PAGE(1), 0x01, /* Generic Desktop */ USAGE(1), 0x38, /* scroll */ LOGICAL_MINIMUM(1), 0x81, /* -127 */ LOGICAL_MAXIMUM(1), 0x7f, /* 127 */ REPORT_SIZE(1), 0x08, REPORT_COUNT(1), 0x01, INPUT(1), 0x06, /* Data, Variable, Relative */ USAGE_PAGE(1), 0x09, /* Buttons */ USAGE_MINIMUM(1), 0x01, USAGE_MAXIMUM(1), 0x03, LOGICAL_MINIMUM(1), 0x00, /* 0 */ LOGICAL_MAXIMUM(1), 0x01, /* 1 */ REPORT_COUNT(1), 0x03, REPORT_SIZE(1), 0x01, INPUT(1), 0x02, /* Data, Variable, Absolute */ REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x05, INPUT(1), 0x01, /* Constant */ END_COLLECTION(0), END_COLLECTION(0) }; reportLength = sizeof(reportDescriptor); return reportDescriptor; } bool USBAbsMouse::update(int16_t x, int16_t y, uint8_t buttons, int8_t z) { HID_REPORT report; report.data[0] = x & 0xff; report.data[1] = (x >> 8) & 0xff; report.data[2] = y & 0xff; report.data[3] = (y >> 8) & 0xff; report.data[4] = -z; report.data[5] = buttons & 0x07; report.length = 6; return USBClass_HID_sendInputReport(EPINT_IN, &report); }