Hi Dave,
Any chance this version is going to support > 2GB SD Cards? Been waiting to see that implemented. Definitely a major issue with the 1&2GB SD cards becoming scarce except online, but I can't expect people who by a product to go online to buy 2GB SD Cards.
I'll check and see. Just so you know, the "2GB" limitation is an arbitrary line we draw in the sand. In reality the firmware will work with lots of other cards. We just know that SD cards were more standards-compliant with the SD (MMC) SPI standard. We're trying to over-deliver a bit on the spec.
I actually haven't found any NETMF solutions which support all SD/SDHC/SDXC memory cards. Some come close.
The things to be aware of with SD card implementations:
- Some SDHC/SDXC cards require a lot more power and/or power supply capacitors to function properly
- Some cards do not comply with the SD standard (there was some gray area for a while during the transition from SD to SDHC)
- Some mainboards implement SD patents without notifying the user that they license the patents...burdening those who incorporate it into a product with unexpected royalty payments.
David has done a lot of work with SDHC card support in NETMF 4.1. If those enhancements have not made it back into NETMF 4.3, we'll see what we can do to pull them back in.
Chris