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57 lines
1.3 KiB
57 lines
1.3 KiB
10 years ago
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#pragma once
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#include "pins.h"
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// -- Utility for driving WS2812B and similar RGB LED stripes --
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// --- timing constraints (NS) ---
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#ifndef WS_T_1H
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#define WS_T_1H 700
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#endif
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#ifndef WS_T_1L
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#define WS_T_1L 150
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#endif
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#ifndef WS_T_0H
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#define WS_T_0H 150
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#endif
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#ifndef WS_T_0L
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#define WS_T_0L 700
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#endif
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#ifndef WS_T_LATCH
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#define WS_T_LATCH 6000
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#endif
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// More precise timing
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// #define WS_T_1H 800
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// #define WS_T_1L 450
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// #define WS_T_0H 200
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// #define WS_T_0L 650
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// #define WS_T_LATCH 50000
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// Only ws_show / ws_send_byte / ws_send_rgb should be used, with port alias macros
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// See pins.h for reference
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/** Latch and display the RGB values */
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void ws_show_real(PORT_P port, BIT_N pin);
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#define ws_show_aux(port, pin) ws_show_real(®_port(port), pin)
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#define ws_show(io) ws_show_aux(io)
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/** Send one byte to the RGB strip */
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void ws_send_byte_real(PORT_P port, BIT_N pin, uint8_t b);
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#define ws_send_byte_aux(port, pin, b) ws_send_byte_real(®_port(port), pin, b)
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#define ws_send_byte(io, b) ws_send_byte_aux(io, b)
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/** Send RGB color to the strip */
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void ws_send_rgb_real(PORT_P port, BIT_N pin, uint8_t r, uint8_t g, uint8_t b);
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#define ws_send_rgb_aux(port, pin, r, g, b) ws_send_rgb_real(®_port(port), pin, r, g, b)
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#define ws_send_rgb(io, r, g, b) ws_send_rgb_aux(io, r, g, b)
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