I have this error running Hyperion on Raspberrypi 3 with osmc (latest version):
Opening UART: /dev/spidev0.0
Unable to open RS232 device (IO Exception: ::tcgetattr, file /home/sascha/hyperion/dependencies/build/serial/src/impl/unix.cc, line 119.)
I´m using APA102 leds and this is config file:
// DEVICE CONFIGURATION
"device" :
{
"name" : "MyHyperionConfig",
"type" : "AdalightApa102",
"output" : "/dev/spidev0.0",
"rate" : 1000000,
"delayAfterConnect" : 0,
"colorOrder" : "rgb"