Not Recommended. RapidS serial interface is SPI compatible for. Its 17,,bits of memory are organized as 4, In addition to the main memory, the. The buffers. Unlike conventional Flash memories that are accessed randomly with multiple address lines and a.

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Pages: [1]. Topic: Dataflash. I have the example here working. Buffer 2 on the dataflash is written to and then not transferred to memory in the sketch. I have now a problem that this buffer either does not work or the dataflash.

But this example seems to have started to code the same thing and then left the rest of the code out of the sketch to write the buffer to memory or include it in the memory test serial monitor. Code: [Select]. Re: Dataflash. I attach the dataflash. Here is a tidy sketch with just the essential code showing where the problem occurs.

Compiles and runs on pro mini and serial monitor gives all correct data values written and read when using only dataflash buffer 1. As given here, the alternate pages which are meant to have been written using buffer 2, will be random numbers or what was last put there by using buffer 1. There are one or two very old threads which never seemed to resolve this problem when using dataflash.

I cannot see how there can be a conflict with buffer 1 still being busy when trying to write to buffer 2? The 'smiley' on my 1st preview of this post and so possibly as seen on the forum has not been generated by me - there is an numeral eight in this text position and in code.

This is the only place where this odd constant occurs and so I changed it to PageBits. Still not working on transfer from buffer 2 to memory page! I don't understand what the author intended this code to do with pPageBits? Are you sure it is correct? Yes bytes- thats the default atmel dataflash page. Can also be 'power-of-two' after reprogramming as So I know what you're meaning to query. I have been busy going through the cpp source code and dataflash. There are some odd things to be in there after two experts screened it as ok for arduino, simply doesn't work as is.

I have posted a new thread with working alternatives - by an idoit so caveat emptor - 'How to use Atmel Dataflash New Library That Works! Main issues were things like this - see sections commented out to get source file working. If you don't trust your program flow condition test understanding - how does it help to add another, kind of thing.


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AT45DB161D DataFlash. Datasheet pdf. Equivalent

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