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54 lines
1.1 KiB
54 lines
1.1 KiB
6 years ago
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//
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// Created by MightyPork on 2017/11/25.
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//
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// NeoPixel RGB LED strip bit-banged output.
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// The nanosecond timing is derived from the AHB clock speed.
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//
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#ifndef U_NEOPIXEL_H
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#define U_NEOPIXEL_H
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#include "unit.h"
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extern const UnitDriver UNIT_NEOPIXEL;
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/**
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* Clear the Neopixel strip
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*
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* @param unit
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* @return success
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*/
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error_t UU_Npx_Clear(Unit *unit);
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/**
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* Load the strip with packed bytes R,G,B.
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*
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* @param unit
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* @param packed_rgb - bytes to load
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* @param nbytes - number of bytes, must be count*3
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* @return success
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*/
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error_t UU_Npx_Load(Unit *unit, const uint8_t *packed_rgb, uint32_t nbytes);
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/**
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* Load from 32-bit numbers
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* @param unit
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* @param bytes
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* @param nbytes
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* @param order_bgr
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* @param zero_before
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* @return success
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*/
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error_t UU_Npx_Load32(Unit *unit, const uint8_t *bytes, uint32_t nbytes, bool order_bgr, bool zero_before);
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/**
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* Get number of pixels on the strip
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*
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* @param unit
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* @param count - destination for the count value
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* @return success
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*/
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error_t UU_Npx_GetCount(Unit *unit, uint16_t *count);
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#endif //U_NEOPIXEL_H
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