Matrix user forums

Hi Ben

a long long time ago the EE prom was working nice for me.

http://www.matrixtsl.com/mmforums/viewt ... ilit=24c32

Now I can just write or read one adress. Thats mean I have to disable the rest. If not, the program is hanging.
With much patience, I can write and read ABC....

I use a PIC32MZ2048EFG100

Hi Stefan,

I'm just working on a i2c eeprom component (actually for the 24lc256) - there is an early draft in my post here: viewtopic.php?f=26&t=21723 (as a program - but I tried as a component yesterday)

This allows block reads / writes and uses the chip features (multi-byte writes/reads - so is a lot faster esp on writes - the current component taking 5ms per byte!)

It doesn't quite work - there is a 'skipped' byte at page boundaries in the posted code - hope to fix that tonight. But have a look and any ideas on interface etc gratefully received. (Silly mistake - was skipping back to start of buffer every time it rewrote the address to the eeprom)

So: Fixed the problem and exported as component.

Try: Note that this a 'barebones' component - there is no code to fill in default values - so just set all the properties.

Just tested reading 768 bytes to WS2812B array using Which is a (slight) kludge to load the entire buffer without using another buffer, and in a single call (rather than doing it in a loop) - works well....

Not sure how the 24c32 differs - but should be possible to modify to suit?


Martin

Hi Martin

Thank you for the support. I copied the component in both folder, but I can't see it in FC8.

C:\Program Files (x86)\Flowcode v8\DefaultData\FlowcodeV8\Component
C:\ProgramData\MatrixTSL\FlowcodeV8\Component


Yes I know I have to learn how to create a component...soon

I followed the Infos from the homepage
https://www.matrixtsl.com/wiki/index.ph ... _Component

regards
Stefan

To install the component - save to a directory (probably best not to use the FC component folder) - then tell FC where to look for new components.
(View - Global Options - Locations) - add the directory to the 'Look for Components In' box.. I usually do a 'Refresh Component Cache' - though I'm not sure if it is needed.

- I think you'll find the component under Misc - but easiest using Search (I2C_EEPROM)

The i2c address of the eeprom is hardcoded (as it is in the FC component) - with A2..A0 as a property. I'm sure I read some where that all the chips have the same basic address - but if this is not the case then it would be easy to add an extra property (or change the control bits to the whole address).

Martin

Hi Martin

Perfect, under Misc I found it.

regards

Stefan