Both the Microchip solution and the example I've mentioned above uses the UART to communicate with DALI Interface. I think we can consider the same.
On 2021/04/22 15:56:51, murat tologlu <mtolo...@hotmail.com> wrote: > One of the best brief explanation of the Dali protocol is in Microchip TB3200 > Technical Brief > (https://www.microchip.com/wwwAppNotes/AppNotes.aspx?appnote=en606182), also, > DALI introduction on page 8 of this ( > https://download.beckhoff.com/download/document/automation/twincat3/TwinCAT_3_PLC_Lib_Tc2_DALI_EN.pdf > ) explains the IEC 62386 standard and DALI messaging very good. > > On 2021/04/21 09:52:23, murat tologlu <mtolo...@hotmail.com> wrote: > > Wow! I am very glad to see that you are so involved in this subject. I have > > to be worthy of your attention. > > > > Firstly, let me explain what I am thinking about Hasseb USB-Dali Master > > device. You can consider it in place of the USB-RS485 Converter in Nuttx > > Modbus tutorial ( http://ta1db.5g.com.tr/nuttx-modbus-setup.jpg ). For me > > it is just a development tool which can be used for development and test > > purposes. Indeed, it has a proprietary interface which is made with a > > LPC1343 but our aim is not to make a usb-dali converter. On the other hand > > if we look at it's schematic diagram (can be downloaded here > > http://hasseb.fi/dali/dali2.zip ) we see another example of a dali > > interface and a dali power supply. Yes, it would be very good if we could > > find a cheaper similar device, without tax it is 76,61 € for bank transfer > > payments, offers free shipment, €15 for priority mail. > > > > Arduino Dali Shield ( https://www.ebay.it/itm/254211672779 ) can be > > considered as an alternative, however it is not the same thing, we have to > > setup another embedded environment with an Arduino or something, while all > > of us have a pc in front of us. Furthermore it's price is €34,50, together > > with €39 for international shipment the price comes to € 73,5 which is > > similar to cost of the Hasseb, furthermore it still requires a 24V power > > supply ( Hasseb includes the psu ). I am not making marketing 😊 just > > comparing. Infineon development tools are too complex and expensive also. > > > > Dali power supply is just an LM317 with a 250 mA current limiter. Dali > > interface is just two opto-couplers together with a few components. For > > those who want to buy a ready made Dali interface I think the best choice > > is Mikroe Dali 2 Click ( https://www.mikroe.com/dali-2-click ) however I > > may consider to make it on a breadboard instead of dealing with > > international ordering details because it is a very simple circuit. > > > > Regarding LED-Warrior14 chip and the modules made with it, yes, it is > > interesting, it frees us dealing with Manchester encoding - decoding > > process etc., it is easier to send and receive Dali commands through I2C > > interface. If I would be alone and doing experiments by myself then I would > > consider using this part. However, I think this shouldn't be a solution > > that we offer to the Nuttx community here. As Alan said Manchester encoding > > can be implemented using GPIO and free-running timer. Afterwards nobody > > needs to buy and use a special chip anymore. > > > > This is a good example for us: https://www.mdpi.com/2079-9292/8/9/1021/htm > > > > > > On 2021/04/19 20:06:32, Gregory Nutt <spudan...@gmail.com> wrote: > > > The Infineon Dali Arduino board used a similar Infineon XC836 part that > > > has a UART interface. > > > > > > Greg > > > > > > On 4/19/2021 1:35 PM, Alan Carvalho de Assis wrote: > > > > Hi Greg, > > > > > > > > This LW14 is interesting! It is possible to buy a module with it to > > > > use the I2C interface with any board (don't need to be an Arduino > > > > form-factor) see: > > > > > > > > http://www.saelig.com/product/lw14-02mod.htm > > > > > > > > I think the shipping cost will be higher the the product. > > > > > > > > BR, > > > > > > > > Alan > > > > > > > > On 4/19/21, Gregory Nutt <spudan...@gmail.com> wrote: > > > >> Hi, Murat, > > > >> > > > >> At 95 euros that could be a turn off for some hobbyist. I looked > > > >> around > > > >> for a low cost solution and found two pretty common solutions. > > > >> > > > >> 1. Aruino Dali Shield. There are shields like the daliMaster > > > >> https://github.com/davideloba/daliMaster that are reasonably priced. > > > >> These have an I2C interface and bridge to the Dali bus via > > > >> https://www.codemercs.com/downloads/ledwarrior/LW14_Datasheet.pdf > > > >> > > > >> 2. The Mikroe Dali 2 Click is also a good deal: > > > >> https://www.mikroe.com/dali-2-click . This uses a GPIO interface > > > >> directly to the Dali bus so must be a big-bang interface: > > > >> https://download.mikroe.com/documents/add-on-boards/click/dali-2/dali-2-click-schematic-v100.pdf > > > >> > > > >> . But Mikroe does have a library for the Click board so that should not > > > >> be too bad. > > > >> > > > >> One thing this says to me is that there needs to be a clear separation > > > >> between the application which should be communicating in in high level > > > >> commands (telegrams). I am thinking: > > > >> > > > >> - There could be I2C and bit-bang drivers in drivers/dali that would be > > > >> capable of sending/receiving one telegram of all supported lengths. > > > >> This would export a common driver interface (IOCTLs and read/write > > > >> behaviors). > > > >> > > > >> - A higher level, Dali interace in apps/dali that understands command > > > >> semantics and protocols. This should work with any lower level > > > >> implementation. > > > >> > > > >> I am thinking about buying the Arduino board. I imagine that the I2C > > > >> interface is easier to use and the LW14 is well documented. Do you > > > >> have > > > >> any insight into that part? > > > >> > > > >> Greg > > > >> > > > >> > > > >> On 4/19/2021 2:47 AM, murat tologlu wrote: > > > >>> Hi Greg, > > > >>> > > > >>> I am going to order this ( > > > >>> http://www.hasseb.fi/shop2/index.php?route=product/product&product_id=50 > > > >>> ) > > > >>> USB Dali-2 Master unit to start playing and getting familiar with DALI > > > >>> commands. With this unit I will be able to test our own slave > > > >>> hardware - > > > >>> software as well. I will share my experiments of course. Unfortunately > > > >>> this is not my main occupation, I am doing in my spare time, > > > >>> therefore may > > > >>> go slow. > > > >>> > > > >>> Best regards, > > > >>> Murat > > > >>> > > > >>> On 2021/04/17 19:18:17, Gregory Nutt <spudan...@gmail.com> wrote: > > > >>>> Hi, Murat, > > > >>>> > > > >>>> When you decide on your development/test hardware, let us know. > > > >>>> Maybe > > > >>>> someone will get inspired to duplicate your setup and help at least > > > >>>> with > > > >>>> some testing. > > > >>>> > > > >>>> Greg > > > >>>> > > > >>>> On 4/17/2021 3:23 AM, murat tologlu wrote: > > > >>>>> Dear Greg, > > > >>>>> > > > >>>>> Thank you very much for your kind response, valuable warnings and > > > >>>>> suggestions. I see a very good road-map in your answer. On the other > > > >>>>> hand I ( probably together with Alan and somebody else interested in > > > >>>>> participating us) will appreciate all other comments and > > > >>>>> suggestions. > > > >>>>> > > > >>>>> Best regards, > > > >>>>> Murat > > > >>>>> > > > >>>>> On 2021/04/15 20:40:32, Gregory Nutt <spudan...@gmail.com> wrote: > > > >>>>>> Before you start writing code, I think you should talk with the > > > >>>>>> group > > > >>>>>> about the architecture that you would develop. > > > >>>>>> > > > >>>>>> One of the essential, unbend-able rules is that any new development > > > >>>>>> must > > > >>>>>> not add new operating system interfaces that are not standard, not > > > >>>>>> documented at OpenGroup.org, or are not supported by Linux. New > > > >>>>>> logic > > > >>>>>> can use, for examples, standard character driver interfaces, a BSD > > > >>>>>> socket interface, or the file system, but no made up interfaces > > > >>>>>> and no > > > >>>>>> direct calls into non-standard OS functions. > > > >>>>>> > > > >>>>>> I don't know much about DALI other than having scanned some > > > >>>>>> websites. > > > >>>>>> My recommendation is that you consider this as a user-space library > > > >>>>>> like > > > >>>>>> apps/modbus, perhaps at apps/dali. The actual, low-level hardware > > > >>>>>> interface could be implemented, say, via a character driver known > > > >>>>>> to > > > >>>>>> the > > > >>>>>> apps/dali logic. The user, application interface could then be > > > >>>>>> purely > > > >>>>>> of you choosing and exported via a header file at > > > >>>>>> apps/include/dali/dali.h > > > >>>>>> > > > >>>>>> The dali drivers would go at nuttx/drivers/dali (probably) and the > > > >>>>>> interface (IOCTL commands and internal OS setup interfaces) might > > > >>>>>> go > > > >>>>>> in > > > >>>>>> nuttx/include/nuttx/drivers/dali.h. > > > >>>>>> > > > >>>>>> Does that make sense? In any case, let's get concurrence on the > > > >>>>>> interfaces before starting code development. That will save a lot > > > >>>>>> of > > > >>>>>> problems down the road and will probably also engage more people, > > > >>>>>> get > > > >>>>>> a > > > >>>>>> good review of the design, and might recruit people help you with > > > >>>>>> the > > > >>>>>> job. > > > >>>>>> > > > >>>>>> Greg > > > >>>>>> > > > >>>>>> On 4/15/2021 9:43 AM, murat tologlu wrote: > > > >>>>>>> Hi Alan, > > > >>>>>>> I am glad to hear that you found my proposal as a nice feature for > > > >>>>>>> Nuttx to have. I see you have made a good intruction; let me add > > > >>>>>>> something: Yes, DALI interface standard has DALI and DALI2 > > > >>>>>>> versions. > > > >>>>>>> DALI2 version was also extended with a feature set named as D4i. > > > >>>>>>> Therefore we have to cover all. Pysical layer is very simple, we > > > >>>>>>> can > > > >>>>>>> use any of ST STEVAL-ILM001V1 and Mikroe DALI 2 Click, or we can > > > >>>>>>> make > > > >>>>>>> our own hardware interface for our tests, no problem. Manchester > > > >>>>>>> encoding is also very simple, as the and since the clodck > > > >>>>>>> frequency is > > > >>>>>>> very low we can implement it by software with register operations > > > >>>>>>> without using any special counter therefore we can easily obtain > > > >>>>>>> portability of our code. > > > >>>>>>> In this work what I can do is, I can get all the information > > > >>>>>>> required > > > >>>>>>> such as IEC62386 standard and others, I can order all the required > > > >>>>>>> hardware, I can setup the hardware and I can do necessary tests. > > > >>>>>>> I can > > > >>>>>>> also participate implementing these in Nuttx codebase as much as > > > >>>>>>> I can > > > >>>>>>> with your help. So, let's get started, cd nuttxspace/nuttx make > > > >>>>>>> distclean :) > > > >>>>>>> > > > >>>>>>> On 2021/04/14 14:11:09, Alan Carvalho de Assis <acas...@gmail.com> > > > >>>>>>> wrote: > > > >>>>>>>> Hi Murat, > > > >>>>>>>> > > > >>>>>>>> I think DALI support should be a nice feature to have! > > > >>>>>>>> > > > >>>>>>>> Well, I already search for this protocol some time ago, but I > > > >>>>>>>> don't > > > >>>>>>>> know much about it yet. > > > >>>>>>>> > > > >>>>>>>> The protocol uses Manchester encoding, maybe driver interface > > > >>>>>>>> should > > > >>>>>>>> be implemented using GPIO and freerunning timer. Suggestions are > > > >>>>>>>> welcome! > > > >>>>>>>> > > > >>>>>>>> For HW I think we have two options: ST STEVAL-ILM001V1 and Mikroe > > > >>>>>>>> DALI 2 Click. > > > >>>>>>>> > > > >>>>>>>> It seams there are two protocol version: DALI and DALI 2. > > > >>>>>>>> Probably > > > >>>>>>>> those DALI dimmers on Aliexpress are pretty old DALI protocol. > > > >>>>>>>> > > > >>>>>>>> BR, > > > >>>>>>>> > > > >>>>>>>> Alan > > > >>>>>>>> > > > >>>>>>>> On 4/14/21, murat toloğlu <mtolo...@hotmail.com> wrote: > > > >>>>>>>>> I would very much like the DALI interface to be in Nuttx and I > > > >>>>>>>>> would > > > >>>>>>>>> like to > > > >>>>>>>>> learn your opinions on this issue. My knowledge and experience > > > >>>>>>>>> in > > > >>>>>>>>> Nuttx is > > > >>>>>>>>> not enough to do this work alone, but if we get a few people > > > >>>>>>>>> together, I can > > > >>>>>>>>> participate in the development work. > > > >>>>>>>>> > > > >> > > > > > >
