61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Radomir Dopieralski for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdbool.h>
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#include "py/mpstate.h"
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#include "__init__.h"
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#include "GamePad.h"
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#include "shared-bindings/digitalio/Pull.h"
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#include "shared-bindings/util.h"
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void gamepad_init(size_t n_pins, const mp_obj_t* pins) {
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gamepad_obj_t* gamepad_singleton = MP_STATE_VM(gamepad_singleton);
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for (size_t i = 0; i < 8; ++i) {
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gamepad_singleton->pins[i] = NULL;
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}
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gamepad_singleton->pulls = 0;
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for (size_t i = 0; i < n_pins; ++i) {
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digitalio_digitalinout_obj_t *pin = MP_OBJ_TO_PTR(pins[i]);
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digitalio_direction_t direction = common_hal_digitalio_digitalinout_get_direction(pin);
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if (direction != DIRECTION_INPUT) {
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common_hal_digitalio_digitalinout_switch_to_input(pin, PULL_UP);
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}
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digitalio_pull_t pull = common_hal_digitalio_digitalinout_get_pull(pin);
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if (pull == PULL_NONE) {
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common_hal_digitalio_digitalinout_set_pull(pin, PULL_UP);
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}
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if (pull != PULL_DOWN) {
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gamepad_singleton->pulls |= 1 << i;
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}
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gamepad_singleton->pins[i] = pin;
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}
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gamepad_singleton->last = 0;
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}
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