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?
Message
Re: [AVR-Chat] Atmega and Dallas RTC
2004-06-10 by David VanHorn