Kalli Lowman Posted April 18, 2020 Share Posted April 18, 2020 Hello, i want to use a NRF24L01 on my Rock PI 4B. I found out that i cannot enable spidev0.0 because this is corresponding with the network interface. Linux rockpi 5.4.32-rockchip64 #20.02.11 SMP PREEMPT Tue Apr 14 17:30:19 CEST 2020 aarch64 GNU/Linux Linux version 5.4.32-rockchip64 (root@builder) (gcc version 8.3.0 (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36))) #20.02.11 SMP PREEMPT Tue Apr 14 17:30:19 CEST 2020 My armbianENV looks like this: verbosity=1 overlay_prefix=rockchip overlays=spi-add-cs1 spi-spidev param_spidev_spi_bus=1 rootdev=UUID=3c50a1d1-71a5-4a0f-9899-099b17a1050b rootfstype=ext4 usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:u When i set param_spidev_spi_bus=0 then the board boots up without eth0 (no ethernet) when i use bus=1 then it works. My Problem is i want to use Mysensors, i get no errors but my NRF does not receive any signal. Has someone ever done this before? 0 Quote Link to comment Share on other sites More sharing options...
xkcd Posted February 3, 2021 Share Posted February 3, 2021 Did you ever get this working? I'm facing sort of the same problems, that it is really difficult to the SPIDEV working on the Rock PI 4b. 0 Quote Link to comment Share on other sites More sharing options...
thc013 Posted February 4, 2021 Share Posted February 4, 2021 try this but then with spi2 that spi port has no devices or flash conected to it and watch your pin numbers look at the link with a mysensors example for a orangepi4 it dont differ much just the spi pin nr spi 0 is the network chip spi 1 is the flash ship spi2 is free 0 Quote Link to comment Share on other sites More sharing options...
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