Power & Source of Big Ideas

pps-gpio support in Friendlyarm 4.4

Moderators: chensy, FATechsupport

Has anyone had any luck pps-gpio work in friendlyarm 4.x yet? I'm trying to use a Fire 3 I've got my gps talking to gpsd and ntpd, but I can't figure out how to get PPS into the mix.

I tried a different route using rpi_gpio_ntp but it couldn't detect any of the gpio pins I tried. Then I found a post here about using the Nanopi M3 without gpio drivers, but when I try:

Code: Select all

echo 92 > /sys/class/gpio/export

I don't end up with any gpio in /dev/.

Just trying to get pps working by any means. Kernel pps would be best but I'll take what I can get. Am I missing something?

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