Hello, I am using Neopixel SPI to control addressable LED light. Initially, the bufsiz was 4096 which I was able to control 168 LED. I increased the bufsize to 65535 using: sudo nano /etc/modprobe.d/spidev.conf options spidev bufsiz=65535 and cat /sys/module/spidev/parameters/bufsiz gives me 6…

Neopixel_SPI and Buffer Size

ShaneCCC August 20, 2020, 8:58am 5

You can modify the spidev.c to print message to confirm it.

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