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mirror of https://github.com/gdsports/USBHost_t36 synced 2024-11-14 05:05:09 -05:00
USBHost_t36/mouse.cpp
2017-09-11 17:54:43 -07:00

100 lines
2.7 KiB
C++

/* USB EHCI Host for Teensy 3.6
* Copyright 2017 Paul Stoffregen (paul@pjrc.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <Arduino.h>
#include "USBHost_t36.h" // Read this header first for key info
bool MouseController::claim_collection(Device_t *dev, uint32_t topusage)
{
// only claim Desktop/Mouse
if (topusage != 0x10002) return false;
// only claim from one physical device
if (mydevice != NULL && dev != mydevice) return false;
mydevice = dev;
collections_claimed++;
return true;
}
void MouseController::disconnect_collection(Device_t *dev)
{
if (--collections_claimed == 0) {
mydevice = NULL;
}
}
void MouseController::hid_input_begin(uint32_t topusage, uint32_t type, int lgmin, int lgmax)
{
// TODO: check if absolute coordinates
}
void MouseController::hid_input_data(uint32_t usage, int32_t value)
{
//Serial.printf("Mouse: usage=%X, value=%d\n", usage, value);
uint32_t usage_page = usage >> 16;
usage &= 0xFFFF;
if (usage_page == 9 && usage >= 1 && usage <= 8) {
if (value == 0) {
buttons &= ~(1 << (usage -1));
} else {
buttons |= (1 << (usage -1));
}
} else if (usage_page == 1) {
switch (usage) {
case 0x30:
mouseX = value;
break;
case 0x31:
mouseY = value;
break;
case 0x32: // Apple uses this for horizontal scroll
wheelH = value;
break;
case 0x38:
wheel = value;
break;
}
} else if (usage_page == 12) {
if (usage == 0x238) { // Microsoft uses this for horizontal scroll
wheelH = value;
}
}
}
void MouseController::hid_input_end()
{
mouseEvent = true;
}
void MouseController::mouseDataClear() {
mouseEvent = false;
buttons = 0;
mouseX = 0;
mouseY = 0;
wheel = 0;
wheelH = 0;
}