Do the can messages look okay in the canDispatch function (states.c)
On Thu, Dec 13, 2018 at 7:30 PM <canfestival-devel@lists.sourceforge.net> wrote:
>
> That's the strange thing.
>
> The node doesn't react to any message sent
>
> ----Messaggio originale----
> Da: canfestival-devel@lists.sourceforge.net
> Data: 13-dic-2018 18.04
> A: <canfestival-devel@lists.sourceforge.net>
> Ogg: Re: [Canfestival-devel] R: Re: R: R: R: R: R: R: R: R: R: Re: R: Re: R:
> Re: CanFestival on ATmega64M1 in Arduino IDE
>
> Strange,
> You should get a reply on "all" sdo messages
> Does the node react to any messages you send to the node?
>
>
>
>
>
>
> On Thu, Dec 13, 2018 at 10:57 AM
> <canfestival-devel@lists.sourceforge.net> wrote:
> >
> > PDOs every 100ms are running correctly.
> >
> > The issue remaining is the response from the node.
> >
> > For instance if I wish to change the event cycle for the PDO from 100ms to
> > 70 ms I need to write on the bus:
> >
> > nodeID 2Bh 00h 18h 05h 46h 00h 00h 00h
> >
> > where nodeID is 600+ID and in my case is 601
> >
> > Normally when you send something on the canbus you get a response from the
> > node that depends if the object dictionary element is implemented in the
> > dictionary.
> >
> > In my case I don't get any reply from the node.
> >
> > I don't know why
> >
> >
> > ----Messaggio originale----
> > Da: canfestival-devel@lists.sourceforge.net
> > Data: 13-dic-2018 10.07
> > A: <canfestival-devel@lists.sourceforge.net>
> > Ogg: Re: [Canfestival-devel] R: R: R: R: R: R: R: R: R: Re: R: Re: R: Re:
> > CanFestival on ATmega64M1 in Arduino IDE
> >
> > so, everything is up and running?
> >
> > On Wed, 12 Dec 2018, 16:17 < canfestival-devel@lists.sourceforge.net wrote:
> >>
> >> Ok,
> >>
> >> solved with
> >>
> >> // CANIE1 = 0x7F; // Enable the interrupts of all MObs (0..14)
> >> // CANIE2 = 0xFF;
> >> CANIE2 = 0x3F; // Enable the interrupts of all MObs (0..5) edited for
> >> ATmegaxxM1
> >>
> >> in the can_AVR.c file
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 12-dic-2018 11.49
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: R: R: R: R: R: Re: R: Re: R: Re:
> >> CanFestival on ATmega64M1 in Arduino IDE
> >>
> >>
> >> the Atmega64M1 has only 6 Mobs instead of 15 of AT90CAN128.
> >>
> >> So I need to change some #define in the can_drv.h file
> >>
> >> // #define NB_MOB 15
> >> #define NB_MOB 6 // edited for ATmegaxxM1
> >> #define NB_DATA_MAX 8
> >> #define LAST_MOB_NB (NB_MOB-1)
> >> #define NO_MOB 0xFF
> >> // ----------
> >> //typedef enum {
> >> // MOB_0, MOB_1, MOB_2, MOB_3, MOB_4, MOB_5, MOB_6, MOB_7,
> >> // MOB_8, MOB_9, MOB_10, MOB_11, MOB_12, MOB_13, MOB_14 }
> >> can_mob_t;
> >> typedef enum {MOB_0, MOB_1, MOB_2, MOB_3, MOB_4, MOB_5} can_mob_t;//
> >> edited for ATmegaxxM1
> >>
> >>
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 12-dic-2018 11.33
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: R: R: R: R: Re: R: Re: R: Re:
> >> CanFestival on ATmega64M1 in Arduino IDE
> >>
> >> Sorry my mistake,
> >>
> >> the number of PDO sent after the operational mode is, of course, equal to
> >> NB_TX_MOB = (NB_MOB - NB_RX_MOB)
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 12-dic-2018 10.58
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: R: R: R: Re: R: Re: R: Re: CanFestival
> >> on ATmega64M1 in Arduino IDE
> >>
> >> Hi,
> >> after some proofs I found another issue on the ATmega64M1.
> >>
> >> Basically and actually I'm able to receive only some PDOs at the beginning
> >> (after the operational mode).
> >> The number of PDOs receive is based on the NB_RX_MOB define.
> >> So if I define NB_RX_MOB = 3 I receive only 3 PDO after the operational
> >> mode, if I define it = 6 I receive only 6 PDOs.
> >>
> >> After that the canbus goes in a sort of stuck mode and I need a master
> >> reset to resume the node.
> >>
> >> The timer1 works properly just adding these instructions:
> >>
> >> /* Added by me for Arduino compliance */
> >> TCCR1A = 0;
> >> TCCR1B = 0;
> >> TIMSK1 = 0;
> >> /**************************************/
> >>
> >> in the timer_AVR.c
> >>
> >> Any suggestion?
> >>
> >> Thanks in advance
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 11-dic-2018 16.01
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: R: R: Re: R: Re: R: Re: CanFestival on
> >> ATmega64M1 in Arduino IDE
> >>
> >> I've found the issue and it was relative to the TCCR1A value.
> >>
> >> Arduino touches this timer at the beginning in the wiring.c file.
> >>
> >> Then actually the timer works but I can receive only five PDO after the
> >> startup.
> >>
> >> After that the CANBUS seems stuck and I don't receive PDO anymore.
> >>
> >> The only way is to make a master reset in order to receive other 5 PDO.
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 11-dic-2018 12.21
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: R: Re: R: Re: R: Re: CanFestival on
> >> ATmega64M1 in Arduino IDE
> >>
> >> hello,
> >> I found a strange bug with setting 16bit registers.
> >>
> >> I tried to set 16 bit register OCR1B, but only the lower 8 bits were
> >> applied.
> >>
> >> The datasheet says that for OCR1B you have to first set the upper byte as
> >> documented, and afterwards commit with the lower byte.
> >> this however does not work for me.
> >>
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 11-dic-2018 11.30
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: R: Re: R: Re: R: Re: CanFestival on
> >> ATmega64M1 in Arduino IDE
> >>
> >> Hi,
> >> something strange compare if I try to debug the TCNT1 and OCR1B values.
> >>
> >> Why I get only values from 0 to 255?
> >>
> >> The timer1 is a 16bit timer
> >>
> >> ???????????????????
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 11-dic-2018 10.04
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: R: Re: R: Re: R: Re: CanFestival on ATmega64M1
> >> in Arduino IDE
> >>
> >> Hi,
> >>
> >> probably the issue is that for the ATmega64M1 I have to use the TIMER1 in
> >> CTC mode up to OCR1A as top value?
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 11-dic-2018 9.12
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: [Canfestival-devel] R: Re: R: Re: R: Re: CanFestival on ATmega64M1 in
> >> Arduino IDE
> >>
> >> I'm using 8MHz external clock.
> >>
> >> Timer should be 8us per tick since that I'm using the clkio/64 prescaler.
> >>
> >> So the timing frequency is, or I suppose, 125Khz --> 8us.
> >>
> >> // The timer is incrementing every 8 us.
> >> #define MS_TO_TIMEVAL(ms) ((ms) * 125)
> >> #define US_TO_TIMEVAL(us) ((us)>>3)
> >>
> >> This definition seems to be correct because each timer tick = 8us.
> >>
> >> In order to have us we have to divide the tick count value by 8 (>>3)
> >> instead to have ms we have to multiply by 125.
> >>
> >> It seems exact.
> >>
> >> Why you told me that this define are incorrect?
> >>
> >>
> >>
> >>
> >> ----Messaggio originale----
> >> Da: canfestival-devel@lists.sourceforge.net
> >> Data: 10-dic-2018 20.58
> >> A: < canfestival-devel@lists.sourceforge.net>
> >> Ogg: Re: [Canfestival-devel] R: Re: R: Re: CanFestival on ATmega64M1 in
> >> Arduino IDE
> >>
> >> This I should be able to help you with
> >> in timerscfg.h there are two macros that need to be correct
> >> MS_TO_TIMEVAL and US_TO_TIMEVAL
> >>
> >> They are used to convert ms and us to timer ticks (TIMEVAL)
> >>
> >> What clock frequency are you using?
> >> On Mon, Dec 10, 2018 at 3:13 PM < canfestival-devel@lists.sourceforge.net>
> >> wrote:
> >> >
> >> > Hi,
> >> >
> >> > the issue seems relative to the timer event.
> >> >
> >> > If I program a transmist PDO every 100ms I can see at the beginning some
> >> > PDO every 1 or 2 ms.
> >> >
> >> > After that the CANNUS stacks and I cannot receive PDOs anymore up to a
> >> > new uC master reset, so a new canbus initialization process.
> >> >
> >> > Basically the timer_AVR.c file is exactly equal to the original one
> >> > (for the at90can128) except in the initTimer function where I use the
> >> > timer1 because the ATmega64M1 doesn't have the timer3
> >> >
> >> > void initTimer(void)
> >> > /******************************************************************************
> >> > Initializes the timer, turn on the interrupt and put the interrupt time
> >> > to zero
> >> > INPUT void
> >> > OUTPUT void
> >> > ******************************************************************************/
> >> > {
> >> > TimerAlarm = 0; // Set it back to the zero
> >> >
> >> > // Set timer 1 for CANopen operation tick 8us max, time is 524ms
> >> > TCCR1B = (1 << CS11) | (1 << CS10); // Timer 1 normal, mit CK/64
> >> > TIMSK1 = 1 << OCIE1B; // Enable the interrupt
> >> > }
> >> >
> >> > Any comment/suggestion?
> >> >
> >> > Thanks in advance
> >> >
> >> > ----Messaggio originale----
> >> > Da: canfestival-devel@lists.sourceforge.net
> >> > Data: 6-dic-2018 21.04
> >> > A: < canfestival-devel@lists.sourceforge.net>
> >> > Ogg: Re: [Canfestival-devel] R: Re: CanFestival on ATmega64M1 in Arduino
> >> > IDE
> >> >
> >> > Hi,
> >> > I do not have access to a ATmega64M1, so there is no way AFIK for me
> >> > to run and debug your code.
> >> > Also near zero experience with Arduino, lots of experience with
> >> > at90can128 though.
> >> >
> >> > I could always look at your code, but without knowing the general
> >> > place where the problem is, it is close to impossible... for me :)
> >> >
> >> > When you say that only thing that is working is THE nmt message.
> >> > Is there only one nmt message?
> >> > What nmt state is the node in?
> >> > Have you tried to set it to operational state?
> >> >
> >> > Best Regards
> >> > Lars
> >> > On Tue, Dec 4, 2018 at 5:26 PM <
> >> > canfestival-devel@lists.sourceforge.net> wrote:
> >> > >
> >> > > The only thing which is working is the NMT message at the startup.
> >> > >
> >> > > No SDO response and I cannot able to make debug now.
> >> > >
> >> > > Can I attach the whole directory project which stay in the
> >> > > Arduino/libraries folder to give you the whole files package?
> >> > >
> >> > > Thanks
> >> > >
> >> > > Bye
> >> > >
> >> > > Alessio
> >> > >
> >> > > ----Messaggio originale----
> >> > > Da: canfestival-devel@lists.sourceforge.net
> >> > > Data: 3-dic-2018 17.52
> >> > > A: < canfestival-devel@lists.sourceforge.net>
> >> > > Ogg: Re: [Canfestival-devel] CanFestival on ATmega64M1 in Arduino IDE
> >> > >
> >> > > Hi,
> >> > > Does anything work?
> >> > > Like heartbeat or sdo?
> >> > >
> >> > > could you check if the code reaches buildPDO?
> >> > >
> >> > > Best Regards
> >> > > Lars
> >> > >
> >> > > On Sat, Dec 1, 2018 at 6:02 PM <
> >> > > canfestival-devel@lists.sourceforge.net> wrote:
> >> > > >
> >> > > >
> >> > > > Dear all,
> >> > > >
> >> > > > first of all many thanks to the developers and people in general
> >> > > > that spent time on this project making it an affordable CanOpen
> >> > > > platform for everyone.
> >> > > >
> >> > > > I'm new on this mailing list and here to explain my problem.
> >> > > >
> >> > > > I'm an electronic engineer and a researcher of University of Brescia
> >> > > > (Italy) and I'm trying to make the canFestival working on Arduino
> >> > > > using the Atmega64M1 uC.
> >> > > >
> >> > > > I know that there is the CanFestivino project that is the
> >> > > > CanFestival porting for the Arduino IDE and the Atmega328p with the
> >> > > > external controller MCP2515.
> >> > > >
> >> > > > It works but the guy that makes the porting cut several features to
> >> > > > fit the code with the Atmega328 ROM and RAM.
> >> > > >
> >> > > > I reached it compilable in Arduino starting from the AVR example for
> >> > > > the ATCAN90128. This uC is very similar to the ATmega64M1.
> >> > > >
> >> > > > The only things that I did was to change the timer, from timer3 to
> >> > > > timer1 (timer3 is not present on the ATmega64M1) and some tiny
> >> > > > modifications in the CAN driver.
> >> > > >
> >> > > > Actually my project is compilable in Arduino where I created an
> >> > > > example to read an analog input (A0) sending it through a PDO each
> >> > > > 100ms.
> >> > > >
> >> > > > The only thing to need in order to compile it is the Arduino IDE
> >> > > > support files for CAN enabled Amtel AVR chips: ATmega64M1,
> >> > > > ATmega32M1, ...HERE.
> >> > > >
> >> > > > I cannot figure out why but actually the example doesn't work and
> >> > > > I'm struggling on it....making me a bit crazy because I don't
> >> > > > understand why.
> >> > > >
> >> > > >
> >> > > >
> >> > > > Hope that someone can help me in this....
> >> > > >
> >> > > > Thanks
> >> > > >
> >> > > > Alessio
> >> > > > _______________________________________________
> >> > > > Canfestival-devel mailing list
> >> > > > Canfestival-devel@lists.sourceforge.net
> >> > > > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >> > >
> >> > >
> >> > > _______________________________________________
> >> > > Canfestival-devel mailing list
> >> > > Canfestival-devel@lists.sourceforge.net
> >> > > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >> > >
> >> > >
> >> > > _______________________________________________
> >> > > Canfestival-devel mailing list
> >> > > Canfestival-devel@lists.sourceforge.net
> >> > > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >> >
> >> >
> >> > _______________________________________________
> >> > Canfestival-devel mailing list
> >> > Canfestival-devel@lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >> >
> >> >
> >> > _______________________________________________
> >> > Canfestival-devel mailing list
> >> > Canfestival-devel@lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >>
> >>
> >> _______________________________________________
> >> Canfestival-devel mailing list
> >> Canfestival-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> Canfestival-devel mailing list
> >> Canfestival-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/canfestival-devel
> >
> >
> >
> > _______________________________________________
> > Canfestival-devel mailing list
> > Canfestival-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/canfestival-devel
>
>
> _______________________________________________
> Canfestival-devel mailing list
> Canfestival-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/canfestival-devel
>
>
> _______________________________________________
> Canfestival-devel mailing list
> Canfestival-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/canfestival-devel
_______________________________________________
Canfestival-devel mailing list
Canfestival-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/canfestival-devel
