f28f8ba568
This was done to allow greatly granularity when deciding what functionality is built into each board's build. For example, this way pulseio can be omitted to allow for something else such as touchio.
76 lines
3.3 KiB
C
76 lines
3.3 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/mphal.h"
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#include "py/runtime.h"
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#include "shared-bindings/neopixel_write/__init__.h"
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//| :mod:`neopixel_write` --- Low-level neopixel implementation
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//| ===========================================================
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//|
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//| .. module:: neopixel_write
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//| :synopsis: Low-level neopixel implementation
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//| :platform: SAMD21
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//|
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//| The `neopixel_write` module contains a helper method to write out bytes in
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//| the 800khz neopixel protocol.
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//|
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//| .. method:: neopixel_write.neopixel_write(digitalinout, buf)
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//|
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//| Write buf out on the given DigitalInOut.
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//|
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//| :param ~digitalio.DigitalInOut gpio: the DigitalInOut to output with
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//| :param bytearray buf: The bytes to clock out. No assumption is made about color order
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//|
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STATIC mp_obj_t neopixel_write_neopixel_write_(mp_obj_t digitalinout_obj, mp_obj_t buf) {
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if (!MP_OBJ_IS_TYPE(digitalinout_obj, &digitalio_digitalinout_type)) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "Expected a %q", digitalio_digitalinout_type.name));
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}
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// Convert parameters into expected types.
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const digitalio_digitalinout_obj_t *digitalinout = MP_OBJ_TO_PTR(digitalinout_obj);
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
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// Call platform's neopixel write function with provided buffer and options.
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common_hal_neopixel_write(digitalinout, (uint8_t*)bufinfo.buf, bufinfo.len);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(neopixel_write_neopixel_write_obj, neopixel_write_neopixel_write_);
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STATIC const mp_rom_map_elem_t neopixel_write_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_neopixel_write) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_neopixel_write), (mp_obj_t)&neopixel_write_neopixel_write_obj },
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};
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STATIC MP_DEFINE_CONST_DICT(neopixel_write_module_globals, neopixel_write_module_globals_table);
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const mp_obj_module_t neopixel_write_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&neopixel_write_module_globals,
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};
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