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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Radomir Dopieralski for Adafruit Industries
*
* 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 <stdbool.h>
#include "py/mpstate.h"
#include "shared-bindings/gamepad/__init__.h"
#include "shared-bindings/gamepad/GamePad.h"
#include "supervisor/shared/tick.h"
#include "shared-bindings/digitalio/DigitalInOut.h"
void gamepad_tick(void) {
uint8_t current = 0;
uint8_t bit = 1;
void* singleton = MP_STATE_VM(gamepad_singleton);
if (singleton == NULL || !MP_OBJ_IS_TYPE(MP_OBJ_FROM_PTR(singleton), &gamepad_type)) {
return;
}
gamepad_obj_t *self = MP_OBJ_TO_PTR(singleton);
for (int i = 0; i < 8; ++i) {
digitalio_digitalinout_obj_t* pin = self->pins[i];
if (!pin) {
break;
}
if (common_hal_digitalio_digitalinout_get_value(pin)) {
current |= bit;
}
bit <<= 1;
}
current ^= self->pulls;
self->pressed |= self->last & current;
self->last = current;
}
void gamepad_reset(void) {
if (MP_STATE_VM(gamepad_singleton)) {
supervisor_disable_tick();
}
MP_STATE_VM(gamepad_singleton) = NULL;
}
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