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Buffered internal eeprom writes

 
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sirius



Joined: 27 Jun 2009
Posts: 16
Location: Bulgaria

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Buffered internal eeprom writes
PostPosted: Sat Jun 27, 2009 4:54 pm     Reply with quote

Is there any way to write to the internal eeprom /18F6520/ and not to stall the MCU for 4-5ms? I mean, not to use "write_eeprom()" function. Imagine that you have to write a bunch of bytes at the same time, what happens then? The MCU is "taking a nap" for a looong period of time /100 bytes = 400-500ms/, which period could be too long for supervising some processes. Is there any built-in function or library that can handle this problem? Or I have to do it myself - using FIFO buffer and scheduling eeprom writes upon Write Operation Interrupt Flag Bit - EEIF. I've done this before, in asm, works just fine, the only concern is to load address and data, then the FIFO-buffer routine takes care of everything. The waste of time is minor. Thanks!
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