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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

Hi,

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 ?

 

Best,

Vincent

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