Am 18.01.21 um 15:49 schrieb Vinicius Juvinski:
One detail,
If I not wrong, the first 100 bytes of the dram is used by pru for
some configs, register and other stuffs I don't remember right now, so
you should use BASE Address +1000 at least
https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf?ts=1610923856664 -
section 4.3 details the memory usage from PRU.
Probably PRU-owned SRAM, not the global DRAM.
The 12 KB shared ram is free to use, the ARM and the PRU program just
must agree.
Each PRU has 2 KB static ram intended for itself, it can also be seen by
the other PRU
and by the ARM. The C compiler uses that for variables, stack and heap.
When you use the functions copy_pru_ram_to_file() and
copy_shared_ram_to_file()
you can open the file with vi or whatever and see the RAM contents in a
slightly
annotated form. It's not a symbolic debugger but better than nothing.
Gerhard
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