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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 "__init__.h"
#include "GamePad.h"
#include "shared-bindings/digitalio/DigitalInOut.h"
void gamepad_tick(void) {
gamepad_obj_t* gamepad_singleton = MP_STATE_VM(gamepad_singleton);
if (!gamepad_singleton) {
return;
}
uint8_t gamepad_current = 0;
uint8_t bit = 1;
for (int i = 0; i < 8; ++i) {
digitalio_digitalinout_obj_t* pin = gamepad_singleton->pins[i];
if (!pin) {
break;
}
if (common_hal_digitalio_digitalinout_get_value(pin)) {
gamepad_current |= bit;
}
bit <<= 1;
}
gamepad_current ^= gamepad_singleton->pulls;
gamepad_singleton->pressed |= gamepad_singleton->last & gamepad_current;
gamepad_singleton->last = gamepad_current;
}
void gamepad_reset(void) {
MP_STATE_VM(gamepad_singleton) = NULL;
}
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