circuitpython/shared-module/gamepad/GamePadShift.c
2019-04-12 20:43:29 +02:00

44 lines
2.0 KiB
C

/*
* 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 "shared-bindings/digitalio/DigitalInOut.h"
#include "GamePadShift.h"
void gamepadshift_init(gamepadshift_obj_t *gamepadshift,
digitalio_digitalinout_obj_t *data_pin,
digitalio_digitalinout_obj_t *clock_pin,
digitalio_digitalinout_obj_t *latch_pin) {
common_hal_digitalio_digitalinout_switch_to_input(data_pin, PULL_NONE);
gamepadshift->data_pin = data_pin;
common_hal_digitalio_digitalinout_switch_to_output(clock_pin, 0,
DRIVE_MODE_PUSH_PULL);
gamepadshift->clock_pin = clock_pin;
common_hal_digitalio_digitalinout_switch_to_output(latch_pin, 1,
DRIVE_MODE_PUSH_PULL);
gamepadshift->latch_pin = latch_pin;
}