linux raspberrypi 4.9.56-v7+ #1044 smp fri oct 13 15:23:13 bst 2017 armv7l gnu/linux fmpeg version 3.2.5-1 when try use h264_omx encoder [h264_omx @ 0x4eb940] libomx_core.so not found [h264_omx @ 0x4eb940] libomxcore.so not found tried apt-file find 2 files don't seem part of package?! where/how should find them? in advance! after research learned omx layer in raspbian handled libomxil-bellagio library. fact ffmpeg apparently expecting different library suggest there's wrong raspbian ffmpeg package? anyway, recompiled ffmpeg myself , got h264_omx encoder work. raspberrypi
hello, i need simple timer or stopwatch sketch. i have uno. i going use 2 photoelectric sensors , need basic simple sketch start timer when first 1 tripped , turn timer off when second 1 reached. displayed in seconds , minutes. i have reset button start over. read on digital readout, know how that. any appreciated. thanks, tony the same question asked in forum few days ago. is school assignment? check this link - may you'll find 1 of classmate... build code doing this: in plain english it's stage = waiting // start if detector1 goes above below threshold loop read both detectors , button. if button pressed set stage waiting else if detector 1 above threshold , stage waiting set stage starting if detector1 below threshold , stage starting then record start time , set sta...
hello, try install mrf24j40 on raspberry without having recompile kernel. followed guide here https://github.com/riot-makers/wpan-ras ... an-support when try compile dts file, error / error: mrf24j40ma-overlay.dts:2.2-8 syntax error fatal error: unable parse input tree correspond second line of file /plugin/ command line used (i removed -@ not listed parameter neither reconized) dtc -o dtb -o mrf24j40ma.dtbo mrf24j40ma-overlay.dts dtc -v version: dtc 1.4.0 idea how fix ? use ubuntu mate on rpi 3 thanks the same error happend code official tutorial of raspberry https://www.raspberrypi.org/documentati ... ce-tree.md code: select all // enable i2s interface /dts-v1/; /plugin/; / { compatible = "brcm,bcm2708"; fragment@0 { target = <&i2s>; __overlay__ { status = "okay"; }; }; }; /plugin/; still makes error raspberrypi
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