circuitpython/ports/raspberrypi/bindings/rp2pio/__init__.c

76 lines
3.0 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Scott Shawcroft 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 "py/obj.h"
#include "py/runtime.h"
#include "bindings/rp2pio/StateMachine.h"
#include "bindings/rp2pio/__init__.h"
//| """Hardware interface to RP2 series' programmable IO (PIO) peripheral.
//|
//| .. note:: This module is intended to be used with the `adafruit_pioasm library
//| <https://github.com/adafruit/Adafruit_CircuitPython_PIOASM>`_. For an
//| introduction and guide to working with PIO in CircuitPython, see `this
//| Learn guide <https://learn.adafruit.com/intro-to-rp2040-pio-with-circuitpython>`_.
//|
//| """
//|
//| def pins_are_sequential(pins: List[microcontroller.Pin]) -> bool:
//| """Return True if the pins have sequential GPIO numbers, False otherwise"""
//| ...
//|
STATIC mp_obj_t rp2pio_pins_are_sequential(mp_obj_t pins_obj) {
size_t len;
mp_obj_t *items;
mp_obj_get_array(pins_obj, &len, &items);
const mcu_pin_obj_t *pins[len];
for (size_t i = 0; i < len; i++) {
pins[i] = validate_obj_is_pin(items[i], MP_QSTR_pins);
}
return mp_obj_new_bool(common_hal_rp2pio_pins_are_sequential(len, pins));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(rp2pio_pins_are_sequential_obj, rp2pio_pins_are_sequential);
STATIC const mp_rom_map_elem_t rp2pio_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_rp2pio) },
{ MP_ROM_QSTR(MP_QSTR_StateMachine), MP_ROM_PTR(&rp2pio_statemachine_type) },
{ MP_ROM_QSTR(MP_QSTR_pins_are_sequential), MP_ROM_PTR(&rp2pio_pins_are_sequential_obj) },
};
STATIC MP_DEFINE_CONST_DICT(rp2pio_module_globals, rp2pio_module_globals_table);
const mp_obj_module_t rp2pio_module = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&rp2pio_module_globals,
};
MP_REGISTER_MODULE(MP_QSTR_rp2pio, rp2pio_module);