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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 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/mphal.h"
#include "py/runtime.h"
#include "common-hal/nativeio/types.h"
#include "shared-bindings/nativeio/DigitalInOut.h"
#include "shared-bindings/neopixel_write/__init__.h"
//| :mod:`neopixel_write` --- Low-level neopixel implementation
//| ===========================================================
//|
//| .. module:: neopixel_write
//| :synopsis: Low-level neopixel implementation
//| :platform: SAMD21
//|
//| The `neopixel_write` module contains a helper method to write out bytes in
//| the 800khz neopixel protocol.
//|
//| .. method:: neopixel_write.neopixel_write(digitalinout, buf)
//|
//| Write buf out on the given DigitalInOut.
//|
//| :param ~nativeio.DigitalInOut gpio: the DigitalInOut to output with
//| :param bytearray buf: The bytes to clock out. No assumption is made about color order
//|
STATIC mp_obj_t neopixel_write_neopixel_write_(mp_obj_t digitalinout_obj, mp_obj_t buf) {
if (!MP_OBJ_IS_TYPE(digitalinout_obj, &nativeio_digitalinout_type)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "Expected a %q", nativeio_digitalinout_type.name));
}
// Convert parameters into expected types.
const nativeio_digitalinout_obj_t *digitalinout = MP_OBJ_TO_PTR(digitalinout_obj);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
// Call platform's neopixel write function with provided buffer and options.
common_hal_neopixel_write(digitalinout, (uint8_t*)bufinfo.buf, bufinfo.len);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(neopixel_write_neopixel_write_obj, neopixel_write_neopixel_write_);
STATIC const mp_rom_map_elem_t neopixel_write_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_neopixel_write) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_neopixel_write), (mp_obj_t)&neopixel_write_neopixel_write_obj },
};
STATIC MP_DEFINE_CONST_DICT(neopixel_write_module_globals, neopixel_write_module_globals_table);
const mp_obj_module_t neopixel_write_module = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&neopixel_write_module_globals,
};
|
