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46  Products / Arduino Due / Re: Building a CAN communication protocol interface for Arduino DUE on: April 24, 2013, 08:42:11 am
Quote my self...

SN65HVD233 has the Loopback funktion

SN65HVD234 has the Standby mode and the

SN65HVD235 has the Autobaud option,

you need to choose the Chipfunction you want, but the SAM supports Autobaud and Sleepmode only the Loopback funktion is missing.

I did not know if the functions allready implemented in the library, but compared to the functions of the SAM and the TI Transciever I would choose the the SN65HVD233 to make it complete without having some option 2 times
47  Products / Arduino Due / Re: Taiji-Uino Due RTC broken? on: April 24, 2013, 12:42:06 am

I wanted to use Markus's really nice RTC library on my Taiji-Uino Due but the code is not working. 

Here is his library:

If I run the example "Due_RTC_Simple_Sample", I do not get anything back on the serial monitor.  However, If I plug in my Arduino brand Arduino Due, I get results like I expect from the example sketch.

I have a second Taiji-Uino and that one is having the same problem...  Maybe I got a couple of them from a bad batch?

Can someone else with a Taiji-uino Due verify what I am seeing?
Hi kcore,

did you check this line?

// Select the Slowclock source
//RTC_clock rtc_clock(RC);
RTC_clock rtc_clock(XTAL);

In the Sample may the Taiji-Uino has no crystal on the surface, so that you need to choose the RC.


48  Products / Arduino Due / Re: OneWire in Due on: April 18, 2013, 03:13:01 am
Your best chance is OneWire 2.2 with the latest nightly build of Arduino.
Yes that works just changing a few files and the new OneWire lib from Paul and the Due is working correctly.
49  Products / Arduino Due / Re: Synchronous Port Manipulation on Due on: April 16, 2013, 02:50:48 pm


    for( k = 44 ; k <= 51 ; k++ )
      pinMode( k, OUTPUT ) ; // Sets Port C12-C19 to output pins. Necessary or no data is written.
    for( k = 34 ; k <= 41 ; k++ )
      pinMode( k, OUTPUT ) ; // Sets Port C2-C9 to output pins

Is there a list of which due pins correspond to which port registers?

May a little bit inconvenient but you can put it yourself together from the Pinout,132130.0.html
50  Products / Arduino Due / Re: [Finally a working EMAC library] Connecting an Ethernet PHY to Arduino Due on: April 15, 2013, 11:15:08 am

Hope it could make things easy
An little bit barely an explanation.
51  Products / Arduino Due / Re: RTC cann't running well in arduino DUE, because DUE's reset connects NRSTB on: April 14, 2013, 12:13:44 pm
Your right about the reset, but I doubt that will ever be changed. If you can wait 6 months my board allows both types of reset smiley

A half year? How would I spent the time, waiting is so uncomfortable...
52  Products / Arduino Due / Re: RTC cann't running well in arduino DUE, because DUE's reset connects NRSTB on: April 14, 2013, 05:55:27 am
Because  DUE's reset connects NRSTB pin, pressing reset will reset the chip including the Backup region (RTC, RTT and Supply Controller), that means RTC's time will be set 2007.1.1 and etc.  But in SAM3x, there is another NRST Pin, if reset connect this pin, it will not reset the Backup region (RTC, RTTand Supply Controller), thus, I suggest arduino due make some changes to avoid the RTC's reset.
Not on the actually Due it's how you say it. It's more than hardcoded it's wired on the board itself. Only with a jumper on the next Version to choose there will be no chance of changing.
53  Products / Arduino Due / Memory and what to do with it on: April 04, 2013, 04:37:32 pm
Hi folks,

i was just sitting around the due and was thinking about the 512kb flash and the 96kb sram and the 4kb NCF sram and what to do with it.

So the F(X) is not in charge on the Due. So how can we use clever the sram and the NCF sram

54  Products / Arduino Due / Re: print from flash memory broken on DUE? on: April 04, 2013, 06:50:20 am
cmaglie has done this already:

If you manage to run the version from github it should work,
*IF* you manage...
  (as I still don't)

A howto to build an IDE from the git files is there
55  Products / Arduino Due / Re: Composite Video Generating on: April 03, 2013, 09:11:00 am
Yes really impressiv work.
56  Products / Arduino Due / Re: use mtlab 2012a with arduino due on: March 26, 2013, 01:45:33 pm
i have been working with arduino uno using matlab for quite sometime now. Simulink does support downloading of your simulink file (.mdl) into uno. i will be shortly working with arduino due and let you know about how simulink reacts to due board.

I'm interested in.
57  Products / Arduino Due / Re: Write register values in code on: March 25, 2013, 10:38:02 am
Good, but sorry really missed the channelname.
58  Products / Arduino Due / Re: Write register values in code on: March 25, 2013, 08:16:48 am
How can I directly write a register value in my code?

For example the PWM_CMR_CPOL (0x1u << 9) change the register value 0 to 1.

// This doesn't work
#define PWM_CMR_CPOL 1;
That won't work. #define works like a placeholder everywhere the compilers find the term PWM_CMR_CPOL he would replace it with a 1.

Something like this should set the register Value to a 1
59  Products / Arduino Due / Re: Composite Video Generating on: March 20, 2013, 10:35:03 am
I've tried some things with dma, but now my arduino doesn't work anymore. I have seriously no idea what's the problem.

Edit: It works again. I pressed the erease and the reset button at the same time, and were able to upload a sketch again. After that everything worked well again.
Lucky men, I know this kind of happiness...
60  Products / Arduino Due / Re: arduino due rtc and unixtime ? on: March 16, 2013, 05:37:39 am
For all who looking for new versions I will post new ones there:,144446.msg1084672.html#msg1084672

And on the git link to the git is also in the link above.

Questions and wishes will still answered and discuss there.

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