51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
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/*
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* This file is part of the Circuit Python project, https://github.com/adafruit/circuitpython
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Roy Hooper
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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/objarray.h"
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#include "../../shared-bindings/_pixelbuf/types.h"
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#ifndef PIXELBUF_SHARED_MODULE_H
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#define PIXELBUF_SHARED_MODULE_H
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#define PIXEL_R 0
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#define PIXEL_G 1
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#define PIXEL_B 2
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#define PIXEL_W 3
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#define DOTSTAR_LED_START 0b11100000
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#define DOTSTAR_BRIGHTNESS(brightness) ((32 - (uint8_t)(32 - brightness * 31)) & 0b00011111)
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#define DOTSTAR_GET_BRIGHTNESS(value) ((value & 0b00011111) / 31.0)
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#define DOTSTAR_LED_START_FULL_BRIGHT 0xFF
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void pixelbuf_set_pixel(uint8_t *buf, uint8_t *rawbuf, float brightness, mp_obj_t *item, pixelbuf_byteorder_obj_t *byteorder, bool dotstar);
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mp_obj_t *pixelbuf_get_pixel(uint8_t *buf, pixelbuf_byteorder_obj_t *byteorder, bool dotstar);
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mp_obj_t *pixelbuf_get_pixel_array(uint8_t *buf, uint len, pixelbuf_byteorder_obj_t *byteorder, uint8_t step, bool dotstar);
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void pixelbuf_set_pixel_int(uint8_t *buf, mp_int_t value, pixelbuf_byteorder_obj_t *byteorder);
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#endif
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