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16  Products / Arduino Due / Re: [Q] How to keep non-volatile parameters with the Arduino Due? on: December 07, 2012, 04:20:58 am
The SAM has IAP (In Application Programming) instructions that allow an application to write into flash.

I see no reason that a library could not be written to emulate EEPROM storage, or indeed re-task the current EEPROM API.

AFAIK nobody has done this yet but I'd say it would be high on the priorities list.


If I had full control over the SAM3X, that would not a problem due that you can use the sectors that already exist in the internal flash memory and manage it as a good file system.. but the Arduino IDE does not give me that capabilities, (Or my ignorance about this tool hides me the capabilities of it) instead, it erases the whole flash every time you program it.

I was thinking in tailoring an external EEPROM, maybe adding a FRAM board like this one:

(FM24CLXX FRAM Board FM24CL16 Memory Storage Module Development Board Kit 3.3V)
The access is via I2C, for another 16K of non-volatile memory...

Any comment?

17  Products / Arduino Due / Re: [Q]: Tailoring the Due to Eclipse.. on: December 07, 2012, 04:08:30 am
Hi Ricky,

I have not yet purchased the Arduino Due but I'm also interested in using Eclipse with Arduino Due board in the futur.
I installed Atmel Studio 6.0 (it's free) there is the possibility of creating a project Arduino Due with (Atmel Software Framework : ASF). I know this is not what you want but it is better than the Arduino IDE.
You can download it here :

Good luck.



I have the Atmel Studio 6.0 which is based on Visual Studio, I just updated it so it I will have the Arduino Due support.
Agree that is more professional than the Arduino IDE because it exposes the ARM processor and you have full control of it.
..... but in another hand, you need to do all by yourself without the Arduino framework.

The reason why I'm looking for Eclipse is that I want my son to get used to a well know IDE used also in several platforms (Embedded, Linux, etc)
18  Products / Arduino Due / Re: Digital Read... pin voltages question on: December 07, 2012, 04:00:26 am
It is a home made light sensor that detects if the robot is crossing a white line, made by my son. I was thinking in adding two resistors for reducing the voltage, but that would change the design he is doing.
19  Products / Arduino Due / Digital Read... pin voltages question on: December 06, 2012, 02:19:53 pm

I need to read from a sensor that provides a digital signal, but the sensor was designed for a regular Arduino (0-5V), now with the Arduino Due, there is a warning about the use of 5V as input..

1) What are the voltages allowed for reading a digital value?..
2) What voltages are the threshold values for understanding that a zero or one value was read by the Arduino Due?

Thanks in advance
20  Products / Arduino Due / [Q]: Tailoring the Due to Eclipse.. on: December 03, 2012, 08:17:56 am

Today I got my Arduino Due, so I will be starting to play with it.

Reading through the Arduino site, all the pointers in tailoring Eclipse to the Arduino are for the AVR 8-bit processors and not for ARM, therefore, can someone give a link or a tutorial on how to do it here on the Arduino Due forum?

Thanks in advance and have a nice day!

--- Ricky Marek.
21  Products / Arduino Due / [Q] How to keep non-volatile parameters with the Arduino Due? on: November 17, 2012, 04:26:19 pm

On the traditional Arduino products, we have the EEPROM for keeping/modifying the non-volatile parameters your program may read/modify/write/use.

Any hint how to achieve this from your running program on the Due?
Is there an API for this?

Thanks in Advance.

--- Ricky Marek
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