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1. 

   trunet
   Member

   Hi,

   I'm trying to use SPI EEPROM library and it's not working. I have added it to libraries path on IDE and I'm receiving these errors:
   http://pastebin.com/jcJs9H6M

   Thanks,

   Wagner Sartori Junior

   Posted 4 years ago #
2. 

   mikep
   Member

   Those are the same errors I am receiving:
   http://forums.leaflabs.com/topic.php?id=908

   I was actually looking at the SPI EEPROM library to see how to make a library for the Maple, based on your errors it seems the library is not working, or maybe it was working with an earlier version of the Maple IDE.
   I have not found a solution yet.

   Posted 4 years ago #
3. 

   robodude666
   Member

   The SPI 25xxx-series EEPROM library was written for an earlier version of libmaple, before the SPI refactor, and therefore will no longer work as-is. If you want to use it, you'll have to update it or write a new library.

   -robodude666

   Posted 4 years ago #
4. 

   trunet
   Member

   could you tell me what's the last working git tag before SPI refactor?

   Posted 4 years ago #
5. 

   robodude666
   Member

   You can simply checkout/download the entire eeprom_25xxx branch adamfeuer has on github. The EEPROM25xxx library is just a small library within that branch. I imagine that older branch should compile just fine with that library.

   Posted 4 years ago #
6. 

   mbolivar
   LeafLabs

   I took a look; it wouldn't be hard to update the library for use with the latest libmaple. I'd say the easiest way to go about it would be:

   - Move eeprom_25xxx.c to eeprom_25xxx.cpp, and delete the relevant #ifdef __cplusplus bits (from eeprom_25xxx.h). (Wirish used to be a mixed C/C++ library, but it's been C++ only since the refactor).

   - Convert spiNum (or spi_num, whatever) to pointers to a struct spi_dev instead.

   - Update the calls to spi_foo() in eeprom_25xxx.cpp to use the new SPI API, which is documented here: http://leaflabs.com/docs/libmaple/api/spi.html

   This would actually be a very good exercise for anyone who's interested in learning a little bit more about the low-level C layers of libmaple. The necessary changes are few and straightforward. I'd recommend reading the libmaple overview if you're just getting started; it explains the overall library structure, its naming conventions, etc.:

   http://leaflabs.com/docs/libmaple/overview.html

   When 0.0.10 came out, we promised that the new libmaple APIs would be stable for the foreseeable future, and any removals from the API would go through a deprecation period first. So updating this library wouldn't be something you'd have to keep doing; it'd be stable for as far out as we can see right now.

   Edit: You can even use HardwareSPI as an example for how to use the new spi.h:

   https://github.com/leaflabs/libmaple/blob/0.0.11/wirish/comm/HardwareSPI.cpp

   Posted 4 years ago #
7. 

   trunet
   Member

   Thanks for your time on this.

   I'm trying to make ANY(SPI, I2C, ...) eeprom to make my project works(2 x UART RFID readers + XBee and a electromagnetic doorlock using a relay). I have SPI and I2C eeproms here with me.

   I've ported XBee library and it's working on API Mode(wonderful). My RFID readers is working fine too, so my 3 UARTs are fine.

   Everything is working but I can't make a RFID Card database(anywhere). Of course I can put the database on my house's server but and if my server crashs? and what's the fun on that? :)

   I2C EEPROM is an option but I'm facing maple hanging(I have other thread).

   So, I bought an arduino mega2560. Everything are working there. Just works.

   Maple mini is cheaper and is a very better microcontroller. I'm just not having luck(or coding skills) to resolve my problems.

   Posted 4 years ago #

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