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65 lines
1.6 KiB
65 lines
1.6 KiB
//
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// Created by MightyPork on 2018/02/03.
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//
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#include "platform.h"
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#include "unit_base.h"
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#include "unit_neopixel.h"
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#define NPX_INTERNAL
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#include "_npx_internal.h"
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#include "ws2812.h"
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/* Clear the strip */
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error_t UU_NEOPIXEL_Clear(Unit *unit)
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{
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CHECK_TYPE(unit, &UNIT_NEOPIXEL);
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struct priv *priv = unit->data;
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ws2812_clear(priv->port, priv->ll_pin, priv->pixels);
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return E_SUCCESS;
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}
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/* Load packed */
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error_t UU_NEOPIXEL_Load(Unit *unit, const uint8_t *packed_rgb, uint32_t nbytes)
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{
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CHECK_TYPE(unit, &UNIT_NEOPIXEL);
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struct priv *priv = unit->data;
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if (nbytes != 3*priv->pixels) return E_BAD_COUNT;
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ws2812_load_raw(priv->port, priv->ll_pin, packed_rgb, priv->pixels);
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return E_SUCCESS;
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}
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/* Load U32, LE or BE */
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static error_t load_u32(Unit *unit, const uint8_t *bytes, uint32_t nbytes, bool bige)
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{
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CHECK_TYPE(unit, &UNIT_NEOPIXEL);
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struct priv *priv = unit->data;
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if (nbytes != 4*priv->pixels) return E_BAD_COUNT;
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ws2812_load_sparse(priv->port, priv->ll_pin, bytes, priv->pixels, bige);
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return E_SUCCESS;
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}
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/* Load U32, LE */
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inline error_t UU_NEOPIXEL_LoadU32LE(Unit *unit, const uint8_t *bytes, uint32_t nbytes)
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{
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return load_u32(unit, bytes, nbytes, false);
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}
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/* Load U32, BE */
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inline error_t UU_NEOPIXEL_LoadU32BE(Unit *unit, const uint8_t *bytes, uint32_t nbytes)
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{
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return load_u32(unit, bytes, nbytes, true);
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}
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/* Get the pixel count */
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error_t UU_NEOPIXEL_GetCount(Unit *unit, uint16_t *count)
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{
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CHECK_TYPE(unit, &UNIT_NEOPIXEL);
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struct priv *priv = unit->data;
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*count = priv->pixels;
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return E_SUCCESS;
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}
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