I wonder if the grabber is returning junk sometimes ?
good point, is there a way to find out?
Beiträge von sebastianmarschall
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My setup:
Raspberry Pi 1 Model B, powered by micro usb
WS2801 - 114 LEDs + 5V 8A power supply
Level shifterAs so many people I also have the problem of randomly occurring flickering (only when using the framegrabber, no flashes when playing with the effects).
As you see above I have already added a level shifter to my setup hoping it would fix the problem.
But it changed nothing.I then found another post where one user stated he solved the problem by changing the Baudrate.
I went as low as 50,000 - no more flickering. As soon as I go up do >100,000 the flashes are back again.Can anyone tell me whats the problem in my case? Is my Raspi not capable enough?
Thanks for your help!
Code
Alles anzeigen// Automatically generated configuration file for Hyperion ambilight daemon // Notice: All values are explained with comments at our wiki: wiki.hyperion-project.org (config area) // Generated by: HyperCon (The Hyperion deamon configuration file builder) // Created with HyperCon V1.03.1 (11.06.2016) { // DEVICE CONFIGURATION "device" : { "name" : "MyHyperionConfig", "type" : "ws2801", "output" : "/dev/spidev0.0", "rate" : 50000, "colorOrder" : "rbg" }, // COLOR CALIBRATION CONFIG "color" : { "channelAdjustment" : [ { "id" : "default", "leds" : "*", "pureRed" : { "redChannel" : 255, "greenChannel" : 0, "blueChannel" : 0 }, "pureGreen" : { "redChannel" : 0, "greenChannel" : 255, "blueChannel" : 0 }, "pureBlue" : { "redChannel" : 0, "greenChannel" : 0, "blueChannel" : 255 } } ], "temperature" : [ { "id" : "default", "leds" : "*", "correctionValues" : { "red" : 255, "green" : 255, "blue" : 255 } } ], "transform" : [ { "id" : "default", "leds" : "*", "hsl" : { "saturationGain" : 1.0500, "luminanceGain" : 1.2000, "luminanceMinimum" : 0.0000 }, "red" : { "threshold" : 0.1900, "gamma" : 2.0000 }, "green" : { "threshold" : 0.1900, "gamma" : 2.0000 }, "blue" : { "threshold" : 0.1900, "gamma" : 2.0000 } } ], // SMOOTHING CONFIG "smoothing" : { "type" : "linear", "time_ms" : 200, "updateFrequency" : 25.0000, "updateDelay" : 0 } }, // V4L2 GRABBER CONFIG "grabber-v4l2" : { "device" : "/dev/video0", "input" : 0, "standard" : "PAL", "width" : -1, "height" : -1, "frameDecimation" : 2, "sizeDecimation" : 4, "priority" : 800, "mode" : "2D", "cropLeft" : 6, "cropRight" : 6, "cropTop" : 2, "cropBottom" : 2, "redSignalThreshold" : 0.1, "greenSignalThreshold" : 0.1, "blueSignalThreshold" : 0.1 }, // BLACKBORDER CONFIG "blackborderdetector" : { "enable" : true, "threshold" : 0.14, "unknownFrameCnt" : 600, "borderFrameCnt" : 50, "maxInconsistentCnt" : 10, "blurRemoveCnt" : 1, "mode" : "default" }, // BOOTEFFECT CONFIG "bootsequence" : { "color" : [0,0,0], "effect" : "Rainbow swirl fast", "duration_ms" : 3000, "priority" : 700 }, // JSON SERVER CONFIG "jsonServer" : { "port" : 19444 }, // PROTO SERVER CONFIG "protoServer" : { "port" : 19445 }, // EFFECT PATH "effects" : { "paths" : [ "/storage/hyperion/effects", "/usr/share/hyperion/effects" ] }, // NO FRAME GRABBER CONFIG // NO KODI CHECK CONFIG // NO BOBLIGHT SERVER CONFIG // NO JSON/PROTO FORWARD CONFIG // LED CONFIGURATION "leds" : [ { "index" : 0, "hscan" : { "minimum" : 0.5946, "maximum" : 0.6216 }, "vscan" : { "minimum" : 0.9200, "maximum" : 1.0000 } }, { "index" : 1, "hscan" : { "minimum" : 0.6216, "maximum" : 0.6486 }, "vscan" : { "minimum" : 0.9200, "maximum" : 1.0000 } }, { "index" : 2, "hscan" : { "minimum" : 0.6486, "maximum" : 0.6757 }, "vscan" : { "minimum" : 0.9200, "maximum" : 1.0000 } }, { "index" : 3, "hscan" : { "minimum" : 0.6757, "maximum" : 0.7027 }, "vscan" : { "minimum" : 0.9200, "maximum" : 1.0000 } }, { "index" : 4, "hscan" : { "minimum" : 0.7027, "maximum" : 0.7297 }, "vscan" : { 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