43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#pragma once
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// Local hyperion incluse
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#include "LedSpiDevice.h"
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///
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/// Implementation of the LedDevice interface for writing to LDP6803 led device.
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///
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/// 00000000 00000000 00000000 00000000 1RRRRRGG GGGBBBBB 1RRRRRGG GGGBBBBB ...
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/// |---------------------------------| |---------------| |---------------|
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/// 32 zeros to start the frame Led1 Led2 ...
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///
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/// For each led, the first bit is always 1, and then you have 5 bits each for red, green and blue
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/// (R, G and B in the above illustration) making 16 bits per led. Total bytes = 4 + (2 x number of
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/// leds)
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///
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class LedDeviceLpd6803 : public LedSpiDevice
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{
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public:
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///
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/// Constructs the LedDevice for a string containing leds of the type LDP6803
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///
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/// @param[in] outputDevice The name of the output device (eg '/dev/spidev0.0')
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/// @param[in] baudrate The used baudrate for writing to the output device
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///
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LedDeviceLpd6803(const std::string& outputDevice, const unsigned baudrate);
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///
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/// Writes the led color values to the led-device
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///
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/// @param ledValues The color-value per led
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/// @return Zero on succes else negative
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///
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virtual int write(const std::vector<ColorRgb> &ledValues);
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/// Switch the leds off
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virtual int switchOff();
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private:
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/// The buffer containing the packed RGB values
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std::vector<uint8_t> _ledBuffer;
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};
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