communicating multiple AVR with ISP

[john_rob]

Hi all,
I want to work on communicating multiple AVR with ISP (at least 3)
but I do not know how to configure ISP and the routine of program.
please give me some clues or help.

thanks in advance,

 

[member_tdh]

Hi!
To connect multi AVRs , you can use the method SPI library of CodeVisionAVR!
Good luck!

 

[budhy]

john_rob wrote:

I want to work on communicating multiple AVR with ISP

Do you mean ISP (In System Programming) or SPI (Serial Peripheral Interface)?

 

[john_rob]

john_rob wrote:

I want to work on communicating multiple AVR with ISP

Do you mean ISP (In System Programming) or SPI (Serial Peripheral Interface)?

Serial Peripheral Interface

 

[budhy]

When configured as a Slave, the SPI interface will remain sleeping with MISO tri-stated as long as the SS pin is driven high.

You can use SS pin like Chip Select on the peripheral chips. Each SS pin on other Slave SPI AVR can be controlled from the master SPI AVR ports.

 

[john_rob]

Thanks budhy, I see.

Further work,
I want that in this system master could be changed so that how I can use chip select or any other solution for this!