80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
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/*--------------------------------------------------------------------
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This file is part of the Adafruit NeoPixel library.
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NeoPixel is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoPixel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoPixel. If not, see
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<http://www.gnu.org/licenses/>.
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--------------------------------------------------------------------*/
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#ifndef ADAFRUIT_NEOPIXEL_H
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#define ADAFRUIT_NEOPIXEL_H
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#if (ARDUINO >= 100)
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#include <Arduino.h>
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#else
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#include <WProgram.h>
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#include <pins_arduino.h>
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#endif
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// 'type' flags for LED pixels (third parameter to constructor):
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#define NEO_RGB 0x00 // Wired for RGB data order
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#define NEO_GRB 0x01 // Wired for GRB data order
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#define NEO_COLMASK 0x01
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#define NEO_KHZ400 0x00 // 400 KHz datastream
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#define NEO_KHZ800 0x02 // 800 KHz datastream
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#define NEO_SPDMASK 0x02
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class Adafruit_NeoPixel {
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public:
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// Constructor: number of LEDs, pin number, LED type
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Adafruit_NeoPixel(uint16_t n, uint8_t p=6, uint8_t t=NEO_GRB + NEO_KHZ800);
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void
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begin(void),
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show(void),
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setPixelColor(uint16_t n, uint8_t r, uint8_t g, uint8_t b),
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setPixelColor(uint16_t n, uint32_t c),
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setBrightness(uint8_t);
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uint16_t
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numPixels(void);
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static uint32_t
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Color(uint8_t r, uint8_t g, uint8_t b);
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uint32_t
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getPixelColor(uint16_t n);
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private:
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const uint16_t
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numLEDs, // Number of RGB LEDs in strip
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numBytes; // Size of 'pixels' buffer below
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const uint8_t
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pin, // Output pin number
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type; // Pixel flags (400 vs 800 KHz, RGB vs GRB color)
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uint8_t
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brightness,
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*pixels; // Holds LED color values (3 bytes each)
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uint32_t
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endTime; // Latch timing reference
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#ifdef __AVR__
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const volatile uint8_t
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*port; // Output PORT register
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const uint8_t
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pinMask; // Output PORT bitmask
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#endif
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};
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#endif // ADAFRUIT_NEOPIXEL_H
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