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  Topic: Help with MCP23S17
coblet

Replies: 4
Views: 6394

PostForum: General CCS C Discussion   Posted: Tue Mar 06, 2007 1:03 pm   Subject: variable i_GPIOA_MCP1
I send this variables with RS232 protocol to my PC (in the PC I have one application with C++).
  Topic: Help with MCP23S17
coblet

Replies: 4
Views: 6394

PostForum: General CCS C Discussion   Posted: Tue Mar 06, 2007 12:37 pm   Subject: MCP23S17 is now ok
Thanks for your help,
Now the comunications with my MCP23S17 are ok.
The problem was the spi configuration.

With this program I can read 16 input from MCP23S17.



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  Topic: Help with MCP23S17
coblet

Replies: 4
Views: 6394

PostForum: General CCS C Discussion   Posted: Sun Mar 04, 2007 3:19 pm   Subject: Help with MCP23S17
Hello,

I am trying to use the MCP23S17 to add 16 input to my PIC 18F4580

The value read is always 0, not change. I don�t know what to do. Anybody could help me.
This is my code:


#include ...
 
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