USB Mouse (relative) example for mbed NXP LPC11U24 beta
HID_devices/USBMouseKeyboard.c
- Committer:
- chris
- Date:
- 2011-10-24
- Revision:
- 0:163560051396
File content as of revision 0:163560051396:
/* Keyboard_RelMouse.c */ /* USB device example: Keyboard and a relative mouse */ /* Copyright (c) 2011 ARM Limited. All rights reserved. */ #include "stdint.h" #include "USBMouseKeyboard.h" uint8_t * USBMouseKeyboard::ReportDesc() { static uint8_t reportDescriptor[] = { /* Keyboard */ USAGE_PAGE(1), 0x01, USAGE(1), 0x06, COLLECTION(1), 0x01, REPORT_ID(1), REPORT_ID_KEYBOARD, USAGE_PAGE(1), 0x07, USAGE_MINIMUM(1), 0xE0, USAGE_MAXIMUM(1), 0xE7, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x01, REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x08, INPUT(1), 0x02, REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x08, INPUT(1), 0x01, REPORT_COUNT(1), 0x05, REPORT_SIZE(1), 0x01, USAGE_PAGE(1), 0x08, USAGE_MINIMUM(1), 0x01, USAGE_MAXIMUM(1), 0x05, OUTPUT(1), 0x02, REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x03, OUTPUT(1), 0x01, REPORT_COUNT(1), 0x06, REPORT_SIZE(1), 0x08, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(2), 0xff, 0x00, USAGE_PAGE(1), 0x07, USAGE_MINIMUM(1), 0x00, USAGE_MAXIMUM(2), 0xff, 0x00, INPUT(1), 0x00, END_COLLECTION(0), /* Mouse */ USAGE_PAGE(1), 0x01, /* Generic Desktop */ USAGE(1), 0x02, /* Mouse */ COLLECTION(1), 0x01, /* Application*/ USAGE(1), 0x01, /* Pointer */ COLLECTION(1), 0x00, /* Physical */ REPORT_ID(1), REPORT_ID_MOUSE, REPORT_COUNT(1), 0x03, REPORT_SIZE(1), 0x01, USAGE_PAGE(1), 0x09, /* Buttons */ USAGE_MINIMUM(1), 0x1, USAGE_MAXIMUM(1), 0x3, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x01, INPUT(1), 0x02, REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x05, INPUT(1), 0x01, REPORT_COUNT(1), 0x03, REPORT_SIZE(1), 0x08, USAGE_PAGE(1), 0x01, USAGE(1), 0x30, /* X */ USAGE(1), 0x31, /* Y */ USAGE(1), 0x38, /* scroll */ LOGICAL_MINIMUM(1), 0x81, LOGICAL_MAXIMUM(1), 0x7f, INPUT(1), 0x06, END_COLLECTION(0), END_COLLECTION(0), USAGE_PAGE(1), 0x0c, /* USAGE_PAGE (Consumer Devices) */ USAGE(1), 0x01, /* USAGE (Consumer Control) */ COLLECTION(1), 0x01, /* COLLECTION (Application) */ REPORT_ID(1), REPORT_ID_VOLUME, LOGICAL_MINIMUM(1), 0x00, /* LOGICAL_MINIMUM (0) */ LOGICAL_MAXIMUM(1), 0x01, /* LOGICAL_MAXIMUM (1) */ USAGE(1), 0xe9, /* Volume Up */ USAGE(1), 0xea, /* Volume Down */ REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x02, INPUT(1), 0x06, /* INPUT (Data,Var,Rel) */ USAGE(1), 0xe2, /* Mute */ REPORT_COUNT(1), 0x01, /* REPORT_COUNT (1) */ INPUT(1), 0x06, /* INPUT (Data,Var,Rel) */ REPORT_COUNT(1), 0x05, /* REPORT_COUNT (5) */ INPUT(1), 0x07, /* INPUT (Cnst,Var,Rel) */ END_COLLECTION(0), /* END_COLLECTION */ }; reportLength = sizeof(reportDescriptor); return reportDescriptor; } bool USBMouseKeyboard::update(int16_t x, int16_t y, uint8_t button, int8_t z) { while (x > 127) { if (!mouseWrite(127, 0, button, z)) return false; x = x - 127; } while (x < -128) { if (!mouseWrite(-128, 0, button, z)) return false; x = x + 128; } while (y > 127) { if (!mouseWrite(0, 127, button, z)) return false; y = y - 127; } while (y < -128) { if (!mouseWrite(0, -128, button, z)) return false; y = y + 128; } return mouseWrite(x, y, button, z); } bool USBMouseKeyboard::mouseWrite(int8_t x, int8_t y, uint8_t buttons, int8_t z) { HID_REPORT report; report.data[0] = REPORT_ID_MOUSE; report.data[1] = buttons & 0x07; report.data[2] = x; report.data[3] = y; report.data[4] = -z; /* >0 to scroll down, <0 to scroll up */ report.length = 5; return USBClass_HID_sendInputReport(EPINT_IN, &report); }