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mirror of https://github.com/gdsports/USBHost_t36 synced 2024-11-24 01:52:23 -05:00
USBHost_t36/joystick.cpp
Kurt Eckhardt d792ffd2e8 PS4 support
Had to increase size of HID report to 512.
Allow HAT to work 10039

Mouse Example prints out Z, Rz, Ry, Rx and Hat values
2017-09-12 06:57:19 -07:00

96 lines
2.9 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 JoystickController::claim_collection(Device_t *dev, uint32_t topusage)
{
// only claim Desktop/Joystick and Desktop/Gamepad
if (topusage != 0x10004 && topusage != 0x10005) return false;
// only claim from one physical device
if (mydevice != NULL && dev != mydevice) return false;
mydevice = dev;
collections_claimed++;
anychange = true; // always report values on first read
return true;
}
void JoystickController::disconnect_collection(Device_t *dev)
{
if (--collections_claimed == 0) {
mydevice = NULL;
}
}
void JoystickController::hid_input_begin(uint32_t topusage, uint32_t type, int lgmin, int lgmax)
{
// TODO: set up translation from logical min/max to consistent 16 bit scale
}
void JoystickController::hid_input_data(uint32_t usage, int32_t value)
{
//Serial.printf("Joystick: usage=%X, value=%d\n", usage, value);
uint32_t usage_page = usage >> 16;
usage &= 0xFFFF;
if (usage_page == 9 && usage >= 1 && usage <= 32) {
uint32_t bit = 1 << (usage -1);
if (value == 0) {
if (buttons & bit) {
buttons &= ~bit;
anychange = true;
}
} else {
if (!(buttons & bit)) {
buttons |= bit;
anychange = true;
}
}
} else if (usage_page == 1 && usage >= 0x30 && usage <= 0x39) {
// TODO: need scaling of value to consistent API, 16 bit signed?
// TODO: many joysticks repeat slider usage. Detect & map to axes?
uint32_t i = usage - 0x30;
if (axis[i] != value) {
axis[i] = value;
anychange = true;
}
}
// TODO: hat switch?
}
void JoystickController::hid_input_end()
{
if (anychange) {
joystickEvent = true;
}
}
void JoystickController::joystickDataClear() {
joystickEvent = false;
anychange = false;
}