1 /* 2 * This file is part of the MicroPython project, http://micropython.org/ 3 * 4 * The MIT License (MIT) 5 * 6 * Copyright (c) 2016 Paul Sokolovsky 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to deal 10 * in the Software without restriction, including without limitation the rights 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 * copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 * THE SOFTWARE. 25 */ 26 #ifndef MICROPY_INCLUDED_EXTMOD_VIRTPIN_H 27 #define MICROPY_INCLUDED_EXTMOD_VIRTPIN_H 28 29 #include "py/obj.h" 30 31 #define MP_PIN_READ (1) 32 #define MP_PIN_WRITE (2) 33 #define MP_PIN_INPUT (3) 34 #define MP_PIN_OUTPUT (4) 35 36 // Pin protocol 37 typedef struct _mp_pin_p_t { 38 mp_uint_t (*ioctl)(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode); 39 } mp_pin_p_t; 40 41 int mp_virtual_pin_read(mp_obj_t pin); 42 void mp_virtual_pin_write(mp_obj_t pin, int value); 43 44 // If a port exposes a Pin object, it's constructor should be like this 45 mp_obj_t mp_pin_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args); 46 47 #endif // MICROPY_INCLUDED_EXTMOD_VIRTPIN_H 48