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ccs write_reg 'space' argument

Question asked by Vincent Siles on May 9, 2016
Latest reply on May 9, 2016 by Adrian Stoica


I'm learning how to use the ccs tool with a ls1021atwr board. I currently boot with no core running, and I use ccs to release core 0. In all the documentation and all the question on the forum I read, I see the following command to write to a memory mapped register:

ccs::write_mem <chain_pos> <addr> <size> 0 <data>

However this always returns me a "Scan timeout" error. If I use 1 instead of 0, the write seems to be correctly performed.


The 0 is named "space" in the documentation, but I can't find any information about it.

1) What is this argument for ?

2) Why is 0 failing ?

2) Can I safely use 1 instead ?