tyronehell

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• Can i upload a file (big binary) to Flash with certain address in Web Ide?

  @tyronehell started

  • 7 comments
  • 247 views

  @Gordon replied
• Can i upload a file (big binary) to Flash with certain address in Web Ide?

  in Interfacing • 5 days, 15 hours

  

  I'm sorry, i'm late! @fanoush Thx for your reminder, i had a LENOVO HX03, and spent some time to learn stuff, flash, page, pipe etc... and tested your dsd6 init file ;-) worked fine, lots of help!

  And i found a problem will brick my device when i used the following code on Webide's left sides:
  require("Flash").read(1,'0x60400000')
  The log:

  >>> Sending...
  index.js:92927 ---> "require(\"Flash\").read(1,'0x60400000')­"
  index.js:92927 >>> Sent
  index.js:92927 BT> SEND ERROR: NotSupportedError: GATT operation failed for unknown reason.
  index.js:92927 BT> Disconnected (gattserverdisconnected)
  

  As the address '0x60400000' is not exist, may be ??

  Fortunately, the lower battery ;-) you know.

• Can i upload a file (big binary) to Flash with certain address in Web Ide?

  in Interfacing • 2 weeks, 2 days

  

  Thanks for your feedback.
  I'll do as suggested,and I'm playing with a fitness tracker based board nrf52832

• Can i upload a file (big binary) to Flash with certain address in Web Ide?

  in Interfacing • 3 weeks, 3 days

  

  Hi!
  I want to upload a file (big binary) to extranal Flash at a specific start address (0x0000...) in Web Ide, and i don't want do this with File Storage.
  Can i use these apis just like require("Flash").write(data, addr) and E.pipe(source, destination, options)？Will this work?

  Can some one give how to do it?
  thanks

• Storage.read vs Flash.read ? bangle Storage based the extranal flash

  in Bangle.js • 1 month

  

  thank you!!!

• Storage.read vs Flash.read ? bangle Storage based the extranal flash

  @tyronehell started

  • 3 comments
  • 142 views

  @tyronehell replied
• Storage.read vs Flash.read ? bangle Storage based the extranal flash

  in Bangle.js • 1 month

  

  This function returns a memory-mapped String that points to the actual memory area in read-only memory, so it won't use up RAM...If you evaluate this string with eval, any functions contained in the String will keep their code stored in flash memory.
  https://github.com/espruino/Espruino/blo­b/master/src/jswrap_storage.c#L92

  It seems that require("Storage").read actually accessing the data directly from flash in bangle with RAM less.
  But,i saw the post https://forum.espruino.com/comments/1500­9857/

  Gordon
  Sadly no, it has to load into RAM (at least at the moment) since the flash is external. It does it in the idle loop though so can make use of a bunch of execution stack and save using as much program memory.

  So, I confused about require("Storage").read RAM less or RAM more

  Another confusing thing is the returned data between require("Storage").read with A string of data and require("Flash").read with A Uint8Array of data, whitch from extranal flash both.

  thx!