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Page 1 of 2 out of 14 messages.

The tiniest file system solution known to man!

5 likes
Posted 1yr ago
by Gary_ghielectroncs | Employee
Posted 1yr ago
by Gary_ghielectroncs | Employee
Ok, so we fudged the title but it got your attention and now that we have your attention we want to take a minute and talk about our latest file system solution, the F20 System on Chip (SoC) and F20-uSD OEM module. The F20 System on Chip (SoC) is a small, low-cost and low-power file system solution that provides access to files and folders on an SD card using simple serial commands (did we mention that it was really cheap at $4.80 in volume!). The F20-uSD module is an OEM module designed for taking the F20 SoC out for a test drive.

The F20 SoC (AKA ReallyTinyFAT) is the younger, smaller brother of the ALFAT System on Chip. The F20 SoC does not require an external crystal instead an internal clock is used. The commands supported are a subset of the commands supported by the ALFAT SoC, for more information including a comparsion table please take a look at the F20 Developers' Guide. The F20 SoC is currently not available as we are using the the F20-uSD OEM module to launch the F20 family of products.

F20 SoC: https://www.ghielectronics.com/catalog/product/558
F20-uSD Module: https://www.ghielectronics.com/catalog/product/546
F20 Developers' Guide: https://www.ghielectronics.com/docs/343/f20-developers-guide
Reply #1 — Posted 1yr ago
by Simon from Vilnius | King | 26,250 exp
Reply #1 — Posted 1yr ago
by Simon from Vilnius | King | 26,250 exp
Does that mean that something bad is going to happen to ALFAT?..
Reply #2 — Posted 1yr ago
by Gary_ghielectroncs | Employee
Reply #2 — Posted 1yr ago
by Gary_ghielectroncs | Employee
Simon from Vilnius says:
Does that mean that something bad is going to happen to ALFAT?..

It could mean that or it could mean that we are offering a really cheap file system solution. Grin
Reply #3 — Posted 1yr ago
by Gus_ghielectroncs | Employee
Reply #3 — Posted 1yr ago
by Gus_ghielectroncs | Employee
Gary says:

Simon from Vilnius says:
Does that mean that something bad is going to happen to ALFAT?..

It could mean that or it could mean that we are offering a really cheap file system solution. Grin

To be clear, nothing will change for alfat. These two products complement each other.
Reply #4 — Posted 1yr ago
by Simon from Vilnius | King | 26,250 exp
Reply #4 — Posted 1yr ago
by Simon from Vilnius | King | 26,250 exp
@Gus - wheeewwww, cool then.
Reply #5 — Posted 1yr ago
by Designer | King | 24,688 exp
Reply #5 — Posted 1yr ago
by Designer | King | 24,688 exp
Gary says:

The F20 SoC is currently not available as we are using the the F20-uSD OEM module to launch the F20 family of products.

so there are more based on the F20 Smiley ?
Reply #6 — Posted 1yr ago
by Gus_ghielectroncs | Employee
Reply #6 — Posted 1yr ago
by Gus_ghielectroncs | Employee
@Rajesh - once it is 100% in few weeks, it is very easy to make other boards, by us or anyone. It is so simple, you do not even need a crystal!

We have SD and arduino shield as some of the possibilities but no final decisions yet. What are you after?
2 likes
Reply #7 — Posted 1yr ago
by mtylerjr | King | 24,672 exp
Reply #7 — Posted 1yr ago
by mtylerjr | King | 24,672 exp
This should go well with my cerb40II based telemetry logger for my model rockets....whenever I get back to the US and get all my rocketry stuff out of storage.
Reply #8 — Posted 1yr ago
by Designer | King | 24,688 exp
Reply #8 — Posted 1yr ago
by Designer | King | 24,688 exp
Gus says:

@Rajesh - once it is 100% in few weeks, it is very easy to make other boards, by us or anyone. It is so simple, you do not even need a crystal!

We have SD and arduino shield as some of the possibilities but no final decisions yet. What are you after?

Arduino shield
Gadgeteer module
Click board
Reply #9 — Posted 1yr ago
by Gene | Master | 6,072 exp
Reply #9 — Posted 1yr ago
by Gene | Master | 6,072 exp
Can you expand on the table in the F20 developers guide to help explain the relative pros and cons of the new F20 uSD solution vs ALFAT SD vs ALFAT USB vs the built in .NET MF file system? I'm particularly interested in power consumption and reliability issues like protecting against what appears to be a problem with any FAT based system where the media can get corrupted if power is removed during a write operation.

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