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Re: [AVR-Chat] Atmega and Dallas RTC

2004-06-10 by David VanHorn

At 11:35 AM 6/10/2004 -0400, James Wagner wrote:

>You need a status flag or state byte.
>
>If one interrupt happens while the other is active, you
>wait to service the request until the first task is
>complete.


>> I also have an IO expander (MPC23016) on the same buss.
>> But it is not pretty
>> when the Avr is talking to the RTC and the MCP
>> interrupts.
>> I used software I2C and Bascom.


Why would you not just CLI while the RTC is in progress, and SEI when it's done?

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