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First addressable LEDs implementation
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bitluni
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Dec 30, 2019
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| { | ||
| "files.associations": { | ||
| "random": "cpp" | ||
| "random": "cpp", | ||
| "algorithm": "cpp", | ||
| "ios": "cpp", | ||
| "*.tcc": "cpp" | ||
| } | ||
| } |
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| name=bitluni ESP32Lib | ||
| version=0.3.0 | ||
| version=0.3.1 | ||
| author=bitluni <[email protected]> | ||
| maintainer=bitluni <[email protected]> | ||
| sentence=Multimedia library for the ESP32 | ||
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| /* | ||
| Author: bitluni 2019 | ||
| License: | ||
| Creative Commons Attribution ShareAlike 4.0 | ||
| https://creativecommons.org/licenses/by-sa/4.0/ | ||
| For further details check out: | ||
| https://youtube.com/bitlunislab | ||
| https://github.com/bitluni | ||
| http://bitluni.net | ||
| */ | ||
| #pragma once | ||
| #include "Composite.h" | ||
| #include "../Graphics/GraphicsPALColor.h" | ||
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| class CompositePAL8 : public Composite, public GraphicsPALColor | ||
| { | ||
| public: | ||
| CompositePAL8() //8 bit based modes only work with I2S1 | ||
| : Composite(1) | ||
| { | ||
| } | ||
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| bool init(const ModeComposite &mode, | ||
| const int C0Pin, const int C1Pin, | ||
| const int C2Pin, const int C3Pin, | ||
| const int C4Pin, const int C5Pin, | ||
| const int C6Pin, const int C7Pin) | ||
| { | ||
| int pinMap[8] = { | ||
| C0Pin, C1Pin, | ||
| C2Pin, C3Pin, | ||
| C4Pin, C5Pin, | ||
| C6Pin, C7Pin | ||
| }; | ||
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| initLUTs(mode.pixelClock, mode.colorClock, mode.hSync + mode.hFront - mode.burstStart, mode.hRes); | ||
| return Composite::init(mode, pinMap, 8); | ||
| } | ||
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| bool init(const ModeComposite &mode, const int *compositePins) | ||
| { | ||
| initLUTs(mode.pixelClock, mode.colorClock, mode.hSync + mode.hFront - mode.burstStart, mode.hRes); | ||
| return Composite::init(mode, compositePins, 8); | ||
| } | ||
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| bool init(const ModeComposite &mode, const PinConfigComposite &pinConfig) | ||
| { | ||
| int pins[8]; | ||
| pinConfig.fill(pins); | ||
| initLUTs(mode.pixelClock, mode.colorClock, mode.hSync + mode.hFront - mode.burstStart, mode.hRes); | ||
| return Composite::init(mode, pins, 8); | ||
| } | ||
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| virtual int bytesPerSample() const | ||
| { | ||
| return 1; | ||
| } | ||
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| virtual float pixelAspect() const | ||
| { | ||
| return 1; | ||
| } | ||
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| virtual void propagateResolution(const int xres, const int yres) | ||
| { | ||
| setResolution(xres, yres); | ||
| } | ||
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| void *vSyncInactiveBuffer; | ||
| void *vSyncActiveBuffer; | ||
| void *inactiveBuffer; | ||
| void *blankActiveBuffer; | ||
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| virtual Color **allocateFrameBuffer() | ||
| { | ||
| return (Color **)DMABufferDescriptor::allocateDMABufferArray(312, 856 * bytesPerSample(), true, blankLevel * 0x1010101); | ||
| // return (Color **)DMABufferDescriptor::allocateDMABufferArray(yres, mode.hRes * bytesPerSample(), true, blankLevel * 0x1010101); | ||
| } | ||
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| virtual void allocateLineBuffers() | ||
| { | ||
| Composite::allocateLineBuffers((void **)frameBuffers[0]); | ||
| } | ||
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| virtual void show(bool vSync = false) | ||
| { | ||
| if (!frameBufferCount) | ||
| return; | ||
| if (vSync) | ||
| { | ||
| //TODO read the I2S docs to find out | ||
| } | ||
| Graphics::show(vSync); | ||
| if(dmaBufferDescriptors) | ||
| for (int i = 0; i < yres * mode.vDiv; i++) | ||
| dmaBufferDescriptors[(mode.vFront + mode.vSync + mode.vBack + i) * 2 + 1].setBuffer(frontBuffer[i / mode.vDiv], mode.hRes * bytesPerSample()); | ||
| } | ||
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| virtual void scroll(int dy, Color color) | ||
| { | ||
| Graphics::scroll(dy, color); | ||
| if (frameBufferCount == 1) | ||
| show(); | ||
| } | ||
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| virtual int burst(int sampleNumber, bool even = true) | ||
| { | ||
| if(sampleNumber >= mode.burstStart && sampleNumber < mode.burstStart + mode.burstLength) | ||
| { | ||
| const float burstPhase = M_PI / 4 * 3; | ||
| const float burstPerSample = (2 * M_PI) / (double(mode.pixelClock) / mode.colorClock); | ||
| int i = sampleNumber - mode.burstStart; | ||
| // return blankLevel + sin(i * burstPerSample + (even ? burstPhase : -burstPhase)) * burstAmp; | ||
| return blankLevel + sin(i * burstPerSample + burstPhase) * burstAmp; | ||
| } | ||
| else | ||
| return blankLevel; | ||
| } | ||
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| protected: | ||
| virtual void interrupt() | ||
| { | ||
| } | ||
| }; |
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