circuitpython/ports/mimxrt10xx/common-hal/digitalio/DigitalInOut.h
Jeff Epler 47e1abdbc7
Add IncrementalEncoder for mimxrt1011
.. and write a general 'pin change interrupt' facility to power it

This uses the same quadrature state machine as atmel-samd, nrf, and
rp2040. The 1011 doesn't have a dedicated encoder peripheral, so we
go the pin-change + software route.
2023-03-23 09:14:58 -05:00

46 lines
1.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
* Copyright (c) 2019 Artur Pacholec
*
* 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.
*/
#ifndef MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_DIGITALIO_DIGITALINOUT_H
#define MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_DIGITALIO_DIGITALINOUT_H
#include "common-hal/microcontroller/Pin.h"
#include "shared-bindings/digitalio/Pull.h"
#include "py/obj.h"
typedef struct {
mp_obj_base_t base;
const mcu_pin_obj_t *pin;
bool output;
bool open_drain;
digitalio_pull_t pull;
} digitalio_digitalinout_obj_t;
void pin_config(const mcu_pin_obj_t *pin, bool open_drain, digitalio_pull_t pull);
#endif // MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_DIGITALIO_DIGITALINOUT_H