rw & ro utilities

Applications, development tools, FPGA, C, WEB
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abregnsbo
Posts: 10
Joined: Wed Dec 14, 2022 11:38 am

rw & ro utilities

Post by abregnsbo » Thu Sep 28, 2023 12:16 pm

What does the 'rw' and 'ro' utilities do ?

The RedPitaya PyRPL library calls the 'rw' before programming the fpga and then calls 'ro' when programming is done. The utilities are located in '/opt/redpitaya/sbin'.
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juretrn
Posts: 110
Joined: Tue Nov 16, 2021 11:38 am

Re: rw & ro utilities

Post by juretrn » Thu Sep 28, 2023 12:44 pm

rw makes the file system writeable "read write"
ro makes it readable "read only"
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abregnsbo
Posts: 10
Joined: Wed Dec 14, 2022 11:38 am

Re: rw & ro utilities

Post by abregnsbo » Fri Sep 29, 2023 8:09 am

'rw' and 'ro' seem to only change the writeability of the SD card duplicate boot partition on '/opt/redpitaya' (the other being '/boot' which is always read-only). The main SD card 3 GB partition mounted on '/' seem to always be writable.
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