DIAMEX DIGI-BOOSTER

  • I use the ri zero with spi input on a ws2813B.
    With the oscilloscope I can measure a send clock of 50ms (20Hz).
    the packets are sent bundled with 446kHz.
    Can I change the send clock in the driver?

  • // 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 V1.03.3 (22.10.2017)
    {
    // DEVICE CONFIGURATION
    "device" :
    {
    "name" : "MyHyperionConfig",
    "type" : "ws2812spi",
    "colorOrder" : "grb"
    },
    // 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" : 1.0000,
    "luminanceGain" : 0.3500,
    "luminanceMinimum" : 0.0000
    },
    "red" :
    {
    "threshold" : 0.0000,
    "gamma" : 2.5000
    },
    "green" :
    {
    "threshold" : 0.0000,
    "gamma" : 2.5000
    },
    "blue" :
    {
    "threshold" : 0.0000,
    "gamma" : 2.5000
    }
    }
    ],
    // SMOOTHING CONFIG
    "smoothing" :
    {
    "type" : "linear",
    "time_ms" : 200,
    "updateFrequency" : 100.0000,
    "updateDelay" : 0
    }
    },
    // NO V4L2 GRABBER CONFIG
    // FRAME GRABBER CONFIG
    "framegrabber" :
    {
    "width" : 115,
    "height" : 64,
    "frequency_Hz" : 10.0,
    "priority" : 890
    },
    // BLACKBORDER CONFIG
    "blackborderdetector" :
    {
    "enable" : true,
    "threshold" : 0.0,
    "unknownFrameCnt" : 600,
    "borderFrameCnt" : 50,
    "maxInconsistentCnt" : 10,
    "blurRemoveCnt" : 1,
    "mode" : "osd"
    },
    // BOOTEFFECT CONFIG
    "bootsequence" :
    {
    "color" : [0,0,0],
    "effect" : "Rainbow swirl fast",
    "duration_ms" : 20000,
    "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 KODI CHECK CONFIG
    // NO BOBLIGHT SERVER CONFIG
    // NO JSON/PROTO FORWARD CONFIG
    // LED CONFIGURATION
    "leds" :
    [
    {
    "index" : 0,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.9200, "maximum" : 1.0000 }
    },
    {
    "index" : 1,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.9756, "maximum" : 1.0000 }
    },
    {
    "index" : 2,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.9512, "maximum" : 0.9756 }
    },
    {
    "index" : 3,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.9268, "maximum" : 0.9512 }
    },
    {
    "index" : 4,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.9024, "maximum" : 0.9268 }
    },
    {
    "index" : 5,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.8780, "maximum" : 0.9024 }
    },
    {
    "index" : 6,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.8537, "maximum" : 0.8780 }
    },
    {
    "index" : 7,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.8293, "maximum" : 0.8537 }
    },
    {
    "index" : 8,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.8049, "maximum" : 0.8293 }
    },
    {
    "index" : 9,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.7805, "maximum" : 0.8049 }
    },
    {
    "index" : 10,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.7561, "maximum" : 0.7805 }
    },
    {
    "index" : 11,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.7317, "maximum" : 0.7561 }
    },
    {
    "index" : 12,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.7073, "maximum" : 0.7317 }
    },
    {
    "index" : 13,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.6829, "maximum" : 0.7073 }
    },
    {
    "index" : 14,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.6585, "maximum" : 0.6829 }
    },
    {
    "index" : 15,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.6341, "maximum" : 0.6585 }
    },
    {
    "index" : 16,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.6098, "maximum" : 0.6341 }
    },
    {
    "index" : 17,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.5854, "maximum" : 0.6098 }
    },
    {
    "index" : 18,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.5610, "maximum" : 0.5854 }
    },
    {
    "index" : 19,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.5366, "maximum" : 0.5610 }
    },
    {
    "index" : 20,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.5122, "maximum" : 0.5366 }
    },
    {
    "index" : 21,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.4878, "maximum" : 0.5122 }
    },
    {
    "index" : 22,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.4634, "maximum" : 0.4878 }
    },
    {
    "index" : 23,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.4390, "maximum" : 0.4634 }
    },
    {
    "index" : 24,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.4146, "maximum" : 0.4390 }
    },
    {
    "index" : 25,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.3902, "maximum" : 0.4146 }
    },
    {
    "index" : 26,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.3659, "maximum" : 0.3902 }
    },
    {
    "index" : 27,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.3415, "maximum" : 0.3659 }
    },
    {
    "index" : 28,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.3171, "maximum" : 0.3415 }
    },
    {
    "index" : 29,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.2927, "maximum" : 0.3171 }
    },
    {
    "index" : 30,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.2683, "maximum" : 0.2927 }
    },
    {
    "index" : 31,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.2439, "maximum" : 0.2683 }
    },
    {
    "index" : 32,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.2195, "maximum" : 0.2439 }
    },
    {
    "index" : 33,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.1951, "maximum" : 0.2195 }
    },
    {
    "index" : 34,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.1707, "maximum" : 0.1951 }
    },
    {
    "index" : 35,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.1463, "maximum" : 0.1707 }
    },
    {
    "index" : 36,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.1220, "maximum" : 0.1463 }
    },
    {
    "index" : 37,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.0976, "maximum" : 0.1220 }
    },
    {
    "index" : 38,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.0732, "maximum" : 0.0976 }
    },
    {
    "index" : 39,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.0488, "maximum" : 0.0732 }
    },
    {
    "index" : 40,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.0244, "maximum" : 0.0488 }
    },
    {
    "index" : 41,
    "hscan" : { "minimum" : 0.0000, "maximum" : 0.0600 },
    "vscan" : { "minimum" : 0.0000, "maximum" : 0.0244 }
    }
    ],
    "endOfJson" : "endOfJson"
    }

  • With the 20 Hz I understand it is the refresh frequency
    But where can the data frequency look up or where in the code is written.
    Because about the oscilloscope I measure about 446kHz +/- 10Hz data

  • The problem is that with the setting up to 40 LEDs it works very well with 225 LEDs
    they start to flicker.
    I suspect that the data packets are not 100% correctly timed.


    I think I install an ardoino nano in between


    spi ws2801 to aduino nano ws2813b / ws2812b


    what do you think about the idea?

  • Can I use this skatch without usb? I have no more usb ports on the pi zero wh free. I'm just talking about the spi out on spi in from the arduino. if so, what physical pin are those on the arduino nano.

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