/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2016 Scott Shawcroft * 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. */ #pragma once #include "periph.h" #include "pins.h" void reset_all_pins(void); void claim_pin(const mcu_pin_obj_t *pin); // List of pins that should never be reset. extern const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[]; // Allow the board to reset a pin in a board-specific way. This can be used // for LEDs or enable pins to put them in a state beside the default pull-up, // or to simply not reset the pin at all. // Return true to indicate that the pin was handled in a special way. Returning false will lead to // the port-default reset behavior. extern bool mimxrt10xx_board_reset_pin_number(const mcu_pin_obj_t *pin); // Find the entry in the peripheral list for this pin. If instance is (-1), any instance (bank_idx) may be used. Otherwise, the bank_idx must match the instance. // If instance was -1, and the function succeeds, then instance is updated with the new bank_idx. // If the pin is NULL then NULL is always returned. But if it was not NULL, and no match was found, then a ValueError is raised. const mcu_periph_obj_t *find_pin_function_sz(const mcu_periph_obj_t *list, size_t sz, const mcu_pin_obj_t *pin, int *instance, uint16_t name); #define find_pin_function(list, pin, instance, name) (find_pin_function_sz((list), MP_ARRAY_SIZE((list)), (pin), (instance), (name)))