From: k.nuyt@nospam.demon.nl   
      
   On Tue, 8 Oct 2024 03:04:11 +0100, Brian Gregory   
    wrote:   
      
   >On 03/10/2024 23:32, john larkin wrote:   
   >> Given an RP2040 CPU with two ARM processors (we call them Alice and   
   >> Bob), how can they talk to one another?   
   >>   
   >> We hate FIFOs. Is it possible for them to share a block of the SRAM?   
   >> It would be cool if the two programs could both declare a struct and   
   >> both be able to access it simultaneously. We's manage the access   
   >> details ourselves, who writes to what variables.   
   >   
   > Don't they share all the RAM like any other 2 core processor would?   
      
   We don't have to guess, the chip is documented very well:   
      
      
      
   Scroll to "Documents" - click "RP2040 datasheet"   
   --   
   Kees Nuyt   
      
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