Struggling to read signals from IR diode
From
D.M. Procida@3:770/3 to
All on Sat May 8 12:38:03 2021
I'm using Pi3, Rasberry Pi OS Buster.
Diode: TSOP38238
The diode is connected to GND, 3.3V and GPIO14 (= header pin 8)
In /boot/config.txt:
dtoverlay=gpio-ir,gpio_pin=14
The IR configuration seems to be OK and assigned to /sys/class/rc/rc0.
$ ir-keytable
Found /sys/class/rc/rc0/ (/dev/input/event0) with:
Name: gpio_ir_recv
Driver: gpio_ir_recv, table: rc-rc6-mce
LIRC device: /dev/lirc0
Attached BPF protocols: Operation not permitted
Supported kernel protocols: lirc rc-5 rc-5-sz jvc sony nec sanyo mce_kbd rc-6 sharp xmp imon
Enabled kernel protocols: lirc rc-6
bus: 25, vendor/product: 0001:0001, version: 0x0100
Repeat delay = 500 ms, repeat period = 125 ms
But I get no results from:
$ ir-keytable -t -s rc0
Testing events. Please, press CTRL-C to abort.
I've also tested with multiple remote controls, other diodes, different
sets of wires, different GPIO pins...
Not really sure how to go about debugging further.
Daniele
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