circuitpython/shared-bindings/rainbowio/__init__.c

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/*
* This file is part of the CircuitPython project, https://github.com/adafruit/circuitpython
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Kattni Rembor
*
* 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.
*/
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#include "shared-bindings/rainbowio/__init__.h"
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#include "py/mpconfig.h"
#include "py/obj.h"
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//| """`rainbowio` module.
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//|
//| Provides the `colorwheel()` function."""
//|
//| def colorwheel(n: float) -> int:
//| """C implementation of the common colorwheel() function found in many examples.
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//| Returns the colorwheel RGB value as an integer value for n (usable in neopixel and dotstar).
//| """
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//| ...
//|
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STATIC mp_obj_t rainbowio_colorwheel(mp_obj_t n) {
mp_float_t f = mp_obj_get_float(n);
return MP_OBJ_NEW_SMALL_INT(colorwheel(f));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(rainbowio_colorwheel_obj, rainbowio_colorwheel);
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STATIC const mp_rom_map_elem_t rainbowio_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_rainbowio) },
{ MP_ROM_QSTR(MP_QSTR_colorwheel), MP_ROM_PTR(&rainbowio_colorwheel_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(rainbowio_module_globals, rainbowio_module_globals_table);
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const mp_obj_module_t rainbowio_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&rainbowio_module_globals,
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};
MP_REGISTER_MODULE(MP_QSTR_rainbowio, rainbowio_module, CIRCUITPY_RAINBOWIO);