Search found 56 matches

by malife
Sat Nov 27, 2010 6:57 pm
Forum: Version compatibility issues
Topic: SLUGS - an open source autopilot
Replies: 24
Views: 9776

Re: SLUGS - an open source autopilot

I forgot to add that the only thing I did to compile was to double click the configuration block, then adding the errata and large data model flags to the compiler options. After that it compiled with no issue
by malife
Sat Nov 27, 2010 6:54 pm
Forum: Version compatibility issues
Topic: SLUGS - an open source autopilot
Replies: 24
Views: 9776

Re: SLUGS - an open source autopilot

Dan, I confirm the version you uploaded compiles without a problem in my setup. This really narrows it to either your setup (compiler/Matlab version/ dsPIC Blockset version) or OS version. I am really sorry you are going through this but neither Lubin nor I have been able to reproduce it and, as you...
by malife
Fri Nov 26, 2010 5:22 pm
Forum: Version compatibility issues
Topic: SLUGS - an open source autopilot
Replies: 24
Views: 9776

Re: SLUGS - an open source autopilot

Hello, Sorry for the long silence. I was out of town. I agree completely with Lubin. lseek() and write () are NOT used at all neither by Simulink (on a 2007A Windows XP configuration) nor by the custom C code I wrote for the low-level drivers. I think this is something completely different. It could...
by malife
Mon Jun 29, 2009 12:31 am
Forum: Request for new functions / Peripheral / Chip support
Topic: PIC32
Replies: 2
Views: 1470

Re: PIC32

I've looked at both and actually tested but of them and I have to say Lubin's is much better than Microchip's. For instance the C function call that they implement you can only pass scalars (i.e. no vectors) which is essentially useless. Also all of their blocks are polled-based instead of interrupt...
by malife
Thu Feb 12, 2009 8:45 pm
Forum: General Remark and Questions
Topic: Problem about QEI and DisPIC33fj256mc710
Replies: 4
Views: 2993

Re: Problem about QEI and DisPIC33fj256mc710

Hello Magic, After reading the posts it is hard for me to see if the QEI is not working or if the serial is not sending the data. Can you confirm with a scope that when you are moving the motor you actually get a train of pulses from your encoder? Because since I had the code working and Ender modif...
by malife
Wed Feb 11, 2009 8:11 pm
Forum: Advanced Simulink & RTW Questions
Topic: Did anyone implement a controller in dsPIC by this toolbox?
Replies: 15
Views: 5811

Re: Did anyone implement a controller in dsPIC by this toolbox?

Hello Lubin,
This seems to be quite an interesting comparison, would you post your results if/when you have them to see which is more efficient?

Thanks
by malife
Wed Feb 11, 2009 8:09 pm
Forum: General Remark and Questions
Topic: Problem using ADC and SPI
Replies: 15
Views: 4446

Re: Problem using ADC and SPI

Hello All, From what I read seems that your SPI is an error mode. If you get an overwrite error, your dsPIC will continue working normally but your SPI engine will freeze until you aknowledge the error and clear the error flag. It is a good idea enable the SPI error interrupt and handle the interrup...
by malife
Thu Jan 22, 2009 2:58 am
Forum: Advanced Simulink & RTW Questions
Topic: Block Orderring fails for Blocks with infinite sample time
Replies: 2
Views: 1757

Re: Block Orderring fails for Blocks with infinite sample time

Hello Lubin,
Thanks for such a quick response. This solution works like a charm.

Thanks!
by malife
Wed Jan 21, 2009 9:06 pm
Forum: Advanced Simulink & RTW Questions
Topic: Block Orderring fails for Blocks with infinite sample time
Replies: 2
Views: 1757

Block Orderring fails for Blocks with infinite sample time

Hello Lubin I have several "init" C- function blocks that I need to execute at a specified order upon booting the dsPIC, if I use the Block ordering option only the last block in the sequence order gets included. Right now I guess I can work around this by doing just one C-block that calls...
by malife
Fri Jan 16, 2009 7:28 pm
Forum: Advanced Simulink & RTW Questions
Topic: fuzzy logic
Replies: 8
Views: 3938

Re: fuzzy logic

Hello Salemimoh, I am not familiar with the Fuzzy logic toolbox (blockset?) in Matlab so I can not help you there. But I have previously encountered similar stack overflow problems, and as I mentioned in previous post, making the arrays and variables static (or persistent in matlab) did solve the pr...
by malife
Thu Jan 15, 2009 8:45 pm
Forum: General Remark and Questions
Topic: C30 compiler problem
Replies: 1
Views: 1217

Re: C30 compiler problem

Sure,
Just post more details because this is quite vague. Post your model, or what you are trying to accomplish and which dsPIC you are using.

Mariano
by malife
Thu Jan 15, 2009 2:00 am
Forum: Advanced Simulink & RTW Questions
Topic: fuzzy logic
Replies: 8
Views: 3938

Re: fuzzy logic

Can you post a bit more about what you are doing (application wise) and which dsPIC you are using? Not really sure what is wrong. Evidently PC is getting lost for some reason.
by malife
Thu Jan 15, 2009 12:48 am
Forum: General Remark and Questions
Topic: ADC, QEI and PWM on dsPIC30f4012 problem
Replies: 3
Views: 2009

Re: ADC, QEI and PWM on dsPIC30f4012 problem

Thanks Lubin,
Yes, that is correct. Glad it worked

Cheers
Mariano
by malife
Sun Jan 11, 2009 7:09 am
Forum: Advanced Simulink & RTW Questions
Topic: fuzzy logic
Replies: 8
Views: 3938

Re: fuzzy logic

If you are stepping through see in which instruction it fails. This might help us to help you. Also, try compiling the model with a "far" memory model. See the C30 Documentation. Also it might just be that the chip you are trying to use does not have enough RAM to perform whatever it is yo...
by malife
Sun Jan 11, 2009 6:58 am
Forum: General Remark and Questions
Topic: problem with master and ADC block
Replies: 4
Views: 2367

Re: problem with master and ADC block

Hello All, This problem, which really is not a problem but a compiler feature is related with near and far code (data and code) take a look at the C30 compiler documentation so you can set the flags accordingly in the compiler settings in matlab. I've been through this error before. Regarding the lo...
by malife
Sun Jan 11, 2009 5:17 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Encoder interfacing with dsPIC33FJ256MC710
Replies: 1
Views: 1414

Re: Encoder interfacing with dsPIC33FJ256MC710

Hello Giulio, It seems like your problem is a bit more related to design rather than the blockset itself. If you need to read more than one QEI channel, than there is not much you can do with a dsPIC. You can try using the input capture, but be aware that you have to write your own logic to determin...
by malife
Mon Nov 03, 2008 2:58 am
Forum: Advanced Simulink & RTW Questions
Topic: C-Function Call and Muxes - to solve
Replies: 3
Views: 1873

Re: C-Function Call and Muxes - to solve

Hello Lubin, Just wanted to follow up on the Muxes issue. I can positively confirm that Muxes do not work with the code translation. I don't know if it is the matlab version, the blockset version or some of the code simplification settings. But to work around this what I do is for every mux I use in...
by malife
Mon Sep 01, 2008 3:37 am
Forum: Advanced Simulink & RTW Questions
Topic: C-Function Call and Muxes - to solve
Replies: 3
Views: 1873

C-Function Call and Muxes - to solve

Hello Lubin, This another bug that has been killing me all day and have not found a work-around. I have three separate signals that come from different sources and have different widths. They are joined by a mux and then passed on to a C-Function call. The problem is that the signal is overall 46 by...
by malife
Mon Sep 01, 2008 3:30 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Support for CAN Module?
Replies: 34
Views: 12186

Re: Support for CAN Module?

Yes I second that. ECAN Please :-)!!
by malife
Sun Aug 31, 2008 6:45 pm
Forum: bug reports
Topic: ADC Input block - solved
Replies: 4
Views: 2489

Re: ADC Input block

Hello Lubin, I would also add to Bernard's post on the ADC the following bug: I have AN channels 0-16 except for AN2 which is SPI1 SSL in 33FJ256MC710. So in the AN dialog box I have: [0 1 3 4 5 6 7 8 9 10 11 12 13 15 16] Just for the sake of completeness I have a digital output block set with infin...
by malife
Fri Aug 22, 2008 5:38 pm
Forum: bug reports
Topic: Matlab Variables do not Propagate to C-Function Call Block
Replies: 2
Views: 1554

Matlab Variables do not Propagate to C-Function Call Block

Hello Lubin, I am currently working on 0.98d so maybe you already fixed that in the latest version (which I hope you'll send it to me when you get back from vacations :-) ) But the issue is the following. I have a matlab script that initializes different variables most of it related to sizes and loc...
by malife
Fri Aug 22, 2008 5:32 pm
Forum: General Remark and Questions
Topic: undefined reference to `sbrk'
Replies: 1
Views: 2269

Re: undefined reference to `sbrk'

I finally solved this issue. It turns out that malloc and memcpy use sbrk which for some reason it is not compiled into the coff. Anyways, I found in the periphereal library documentation that microchip provides the source for sbrk with the standard C30 instalation, so I just added the source to the...
by malife
Thu Aug 21, 2008 10:21 pm
Forum: General Remark and Questions
Topic: undefined reference to `sbrk'
Replies: 1
Views: 2269

undefined reference to `sbrk'

Hello Lubin, I've spent much of the day today trying to debug this error with no luck: C:\PROGRA~1\MICROC~1\MPLABC~1\lib\libc-coff.a(xgetmem.o)(.libc+0x4):/home/guymc/build/3.10/build_20080424/src/standardc/sxl/xgetmem.c: undefined reference to `sbrk' C:\Program Files\Microchip\MPLAB C30\bin\bin/pic...
by malife
Thu Aug 14, 2008 5:36 pm
Forum: Advanced Simulink & RTW Questions
Topic: Rx Interrupt buffer size
Replies: 12
Views: 5394

Re: Rx Interrupt buffer size

Thanks Lubin! I will try this and report back. I am planning on writing the GPS reader/decoder in a C function. Once I have it ready I will post it as an example and see if I can get any feedback from you or anybody else in the forum.

Thanks!
by malife
Tue Aug 12, 2008 9:26 pm
Forum: Advanced Simulink & RTW Questions
Topic: Rx Interrupt buffer size
Replies: 12
Views: 5394

Re: Rx Interrupt buffer size

Hello Lubin, I hope you are enjoying your vacation :-). Thanks so much for your quick response. This example will help a lot thanks! And will solve another question I had. But going back to my original question (and feature request) which is reletad to the RX block and not the TX block as you showed...
by malife
Mon Aug 11, 2008 6:57 am
Forum: Advanced Simulink & RTW Questions
Topic: Rx Interrupt buffer size
Replies: 12
Views: 5394

Rx Interrupt buffer size

Hello Lubin, I understand that the RX circular buffer size can be set from the UART configuration block, but is there a way to configure the UART Rx block to send out more than one byte? For instance, I don't know if it is possible but I would like to have a buffer of say 256 bytes and have the RX B...
by malife
Thu May 29, 2008 1:12 am
Forum: bug reports
Topic: Possible Bug in ADC in 33FJ256MC710
Replies: 1
Views: 1664

Possible Bug in ADC in 33FJ256MC710

Hello Lubin, I am trying to use the 12-bit ADC block in the 33FJ256MC710, I drop the block and select channels 0-7 and I get the following error when I compile: SPIMasterNoDMA.c:167: error: 'ADC1BUF1' undeclared (first use in this function) SPIMasterNoDMA.c:167: error: (Each undeclared identifier is...
by malife
Mon May 26, 2008 12:20 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Errata for dsPIC33FJXXXMCX06/X08/X10
Replies: 3
Views: 1642

Re: Errata for dsPIC33FJXXXMCX06/X08/X10

Hello Lubin, Thanks for your quick response. I will include that in my compiler. As for the conditions, I guess I can look at the generated source via simulink's HTML report. Just one question then: All the initialization of the periphereals (unless I explcitly say it changes, like the SPI option) h...
by malife
Sun May 25, 2008 8:18 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Errata for dsPIC33FJXXXMCX06/X08/X10
Replies: 3
Views: 1642

Errata for dsPIC33FJXXXMCX06/X08/X10

Hello Lubin, First of all As you have probably guessed by now I am currently working with the 33FJ256MC710 and they recently (April 18) came out with an errata plagued with problems in the ADC, UART, SPI, PWM, OC and DMA. Too late for me to change the chip :evil: . Now,almost all of those peripheral...
by malife
Sat May 17, 2008 2:32 am
Forum: Website
Topic: Set up a Wiki ?
Replies: 5
Views: 2271

Re: Set up a Wiki ?

Hey Lubin,
I think it would be a good idea to provide a way to include examples and user-made tutorials. Never worked myself in a wiki before, but if you decide that a wiki is the way to go, then I will be happy to include examples of what I made and maybe some quick tutorials :-)
by malife
Sat May 17, 2008 12:20 am
Forum: bug reports
Topic: Passing a Vector to the C-Function Call block
Replies: 5
Views: 2955

Re: Passing a Vector to the C-Function Call block

Yes, that took care of it. I confirm the work around solves the problem.

Thanks for excellent support!

Mariano
by malife
Sat May 17, 2008 12:14 am
Forum: bug reports
Topic: Passing a Vector to the C-Function Call block
Replies: 5
Views: 2955

Re: Passing a Vector to the C-Function Call block

Thanks for a very quick response. I will try what you suggest and report back.

If it does not work I will wait for the next version.

DMA SPI si comming along, hope to give positive reports soon :-)

Thanks!
by malife
Fri May 16, 2008 10:18 pm
Forum: bug reports
Topic: Passing a Vector to the C-Function Call block
Replies: 5
Views: 2955

Passing a Vector to the C-Function Call block

Hello Lubin, I am trying to pass a vector to the C-Function Call block but apparently it is only getting the first element in that vector: You can see in the image shown below I assemble a vector using a Mux, and then pass it to the C function call, but the call to the function call is this: * S-Fun...
by malife
Thu May 15, 2008 6:25 pm
Forum: Advanced Simulink & RTW Questions
Topic: How much RAM area can a program use?
Replies: 12
Views: 6317

Re: How much RAM area can a program use?

Masaki, The only thing that I noticed from your code is that WriteHistory is called every three seconds, which seems kind a long considering your main sample rate is 0.001, but this by no means implies it is wrong. Also, you did not post the H-files, but in your function declarations (i.e. you C fil...
by malife
Wed May 14, 2008 7:55 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Configuration Option Missing in Master Block
Replies: 5
Views: 1942

Re: Configuration Option Missing in Master Block

Hey Lubin, You had me worried for a while, 'cause my board had already been sent to manufacture and I had only PGC2/PGD2 wired :shock: . Anyways, I found in the dsPIC33F family reference manual Section 24.2.1 that you can use any pin pair to program the device (you can not mix and match i.e. PGC1/PG...
by malife
Wed May 14, 2008 7:51 pm
Forum: Advanced Simulink & RTW Questions
Topic: How much RAM area can a program use?
Replies: 12
Views: 6317

Re: How much RAM area can a program use?

Hello Masaki, It's kind of hard to help you without seeing the overall model and the C-source. I understand if you can not post your model, so I will do my best to help you out from what I see. First, if you are using the C-function call block in your model, then your functions should have the follo...
by malife
Tue May 13, 2008 5:12 pm
Forum: Advanced Simulink & RTW Questions
Topic: How much RAM area can a program use?
Replies: 12
Views: 6317

Re: How much RAM area can a program use?

Thanks for posting that information Masaki. I am sure many will find it useful. I could not make in-line C program work correctly from some unknow reason. When you say that you were not able to get the in-line C program to work, do you mean the C function call inside the Simulink Model. If so, I wou...
by malife
Tue May 13, 2008 1:18 am
Forum: bug reports
Topic: CAN module with dspic33fj256gp710 or pic24fj128ga010
Replies: 3
Views: 2179

Re: CAN module with dspic33fj256gp710 or pic24fj128ga010

Hello Martin, In case you've gotten ECAN to work using C function calls would you mind posting about your results and maybe your model/code? In that way we can all take advantage of what is being done while Lubin catches up :-). You can read about the QEI (http://www.kerhuel.eu/forum/viewtopic.php?f...
by malife
Tue May 13, 2008 1:13 am
Forum: Advanced Simulink & RTW Questions
Topic: How much RAM area can a program use?
Replies: 12
Views: 6317

Re: How much RAM area can a program use?

Hello All, So your general advise is to use inline parameters always? or just for this application? Also, I noticed that Masaki's model was not posted, could we at least know what dsPIC is being used and at what sampling frequency and Fcy, just to have an upper bound in case someone else is using th...
by malife
Tue May 13, 2008 1:07 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Request Support for DSPIC33FJ64(128)MC802
Replies: 9
Views: 3643

Re: Request Support for DSPIC33FJ64(128)MC802

Hello Lubin, That sounds great! I have two dsPICs in a UAV autopilot, one is the sensor MCU and the other is the control, both will exchange information between them using SPI clocked as fast as I can get it to work. One is the master and the other is the slave (obviously :-) ). I am planning on usi...
by malife
Tue May 13, 2008 12:56 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Configuration Option Missing in Master Block
Replies: 5
Views: 1942

Re: Configuration Option Missing in Master Block

Ok Lubin,
I will do that. One question... do you know if it will program regardless of which PGC/PGD I connect to?

Thanks for the response :-)
by malife
Mon May 12, 2008 9:38 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Configuration Option Missing in Master Block
Replies: 5
Views: 1942

Configuration Option Missing in Master Block

Hello Lubin, I have the following request: Many of the high-end dsPics have more than one PGC/PGD ports and these are used to program and debug. The selection of which to use is set using configuration register FICD (like crystal, PBOR, etc...) but your Master block does not have that option. I woul...
by malife
Mon May 12, 2008 9:26 pm
Forum: General Remark and Questions
Topic: tutorial
Replies: 1
Views: 1299

Re: tutorial

Hello Laura, If you read the tutorials at http://www.kerhuel.eu/RTWdsPIC/examples/index.html that should get you started. Regarding the manual, every block is documented and you can read it off the website or in Matlab's Help once you install the blockset

Hope this Helps

Mariano
by malife
Wed May 07, 2008 9:15 pm
Forum: Advanced Simulink & RTW Questions
Topic: Sintax Error in Microchip Header File? - .c and .s ext files
Replies: 3
Views: 3696

Re: Sintax Error in Microchip Header File?

It turns out I found the problem. Actually there were 2 problems. I hope Lubin has a clear explanation for the first one: 1.- H File: The H file SHOULD NOT go in the Simulation->Config Parameters dialog. You just need to include it in your C file. No clue why. 2.- DEE.C and DEE.S both created a DEE....
by malife
Wed May 07, 2008 8:46 pm
Forum: Advanced Simulink & RTW Questions
Topic: Sintax Error in Microchip Header File? - .c and .s ext files
Replies: 3
Views: 3696

Sintax Error in Microchip Header File? - .c and .s ext files

Hello Lubin, I am trying to implement the software emulation EEPROM as described in Microchip's App Note AN1095 http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en530593 . This is what I am doing: I downloaded the code and renamed the C, S and H files to DE...
by malife
Sat Apr 26, 2008 5:37 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Request Support for DSPIC33FJ64(128)MC802
Replies: 9
Views: 3643

Re: Request Support for DSPIC33FJ64(128)MC802

Thanks Lubin for pointing that out. If I use this small chip (the 28-pin one) most likely I will not be needing ECAN (or CAN) but rather just serial, SPI, ADC, etc... So at least on my side I have no particular hurry for ECAN device support. For the 710 (the big one) CAN(ECAN) willl be a feature tha...
by malife
Fri Apr 25, 2008 3:16 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Request Support for DSPIC33FJ64(128)MC802
Replies: 9
Views: 3643

Re: Request Support for DSPIC33FJ64(128)MC802

Hello Lubin, I will not be using them immediately. Right now I am using the 33F256MC710 which is on the opposite side of the scale (their biggest chip) and is fully supported by your blockset, but certainly as soon as you support these new parts I will start using them for a side project I am workin...
by malife
Thu Apr 24, 2008 6:22 pm
Forum: Request for new functions / Peripheral / Chip support
Topic: Request Support for DSPIC33FJ64(128)MC802
Replies: 9
Views: 3643

Request Support for DSPIC33FJ64(128)MC802

Hello Lubin, Microchip has recently started sampling the DSPIC33FJ64MC802 and the DSPIC33FJ128MC802, to become their smallest chips with DMA available (28 pins) and they are conveniently available in PDIP package which makes them easy to prototype. Would you be so kind to have those chips available ...
by malife
Fri Mar 21, 2008 3:56 am
Forum: Request for new functions / Peripheral / Chip support
Topic: Implementing the C Function Call
Replies: 5
Views: 6153

Re: Implementing the C Function Call

Great Example Lubin. Thanks for the tip on the ct_turns variable. I find that more elegant than declaring a "ghost" variable from the code since in my example directly from the Simulink Model you can't really see that there is a global variable. Anyways, between the two examples it should ...
by malife
Fri Mar 21, 2008 12:39 am
Forum: General Remark and Questions
Topic: Dspic and ICD2 problem
Replies: 2
Views: 1677

Re: Dspic and ICD2 problem

go to MPLAB Menu Configure->Select Device and make sure you have the correct device. That should take care of it.

Hope this helps

Mariano

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