Did you enable CONFIG_DEBUG_CAN_INFO in your menuconfig?
│ -> Build Setup
│
│ -> Debug Options
│
│ -> Enable Debug Features (DEBUG_FEATURES [=y])
│
│ -> CAN Debug Features (DEBUG_CAN [=y])
BR,
Alan
On 5/12/21, Tim <t...@jti.uk.com.invalid> wrote:
>>From: Gregory Nutt <spudan...@gmail.com>
>>Sent: 11 May 2021 18:33
>>
>>> All this starts from the CAN init code crashing (SAMA5D27) when it
>>> makes any call to print debug messages. Printf itself is fine.
>>These kinds of crashes are often due to stack overrun. It might be worth
>>increasing the stack size of the task that calls CAN init.
>
>
> I have only just had a moment to take another look. This is the basic nsh
> config, with just the CAN example enabled. Heap size is the standard 2048,
> but if I increase to 4096 it still crashes in the same place:
>
> int sam_can_setup(void)
> {
> #if defined(CONFIG_CAN)
>
> int ret;
> printf("PRINTF: Setting up CAN\n");
> #if defined CONFIG_DEBUG_CAN_INFO
>
> caninfo("CANINFO: Setting up CAN\n");
> while(1);
> ...etc
>
> I get the printf text on the console but not the caninfo message. The
> program is stopped in the while(1) loop. I still can't debug this, but
> that's a different problem. If I use the Eclipse debugger to pause the
> program it clearly states it has a thread for sam_can_setup() at sam_can.c
> and is trying to find the source but Eclipse reports:
>
> Can't find a source file at
> "/home/timh/nuttx/nuttx/boards/arm/sama5/jti-toucan2/src/sam_can.c"
> Locate the file or edit the source lookup path to include its location.
>
> That is not the full path from a Windows POV which is quite possible the
> issue - Windows knows the path as:
>
> C:\Users\TimHardisty\AppData\Local\Packages\CanonicalGroupLimited.UbuntuonWi
> ndows_79rhkp1fndgsc\LocalState\rootfs\home\timh\nuttx\nuttx\boards\arm\sama5
> \jti-toucan2\src
>
> I have made sure that is the path configured in Eclipse, but it seems not
> to
> respect that.
>
> If you or anyone has other suggestions (and I will reply to the suggestions
> others made in a moment) then I will give anything ago but I am currently
> investigating either a 3rd machine to just run Ubuntu or a VM on my Win10
> machine or dual booting my Mac. But, quite probably, buying a machine is a
> better bang for the buck, for me as a professional engineer, rather than
> spending time playing around with VMs or other "tricks" that might work but
> suck up time! If a £500 mini PC sorts it, then on reflection I'll be a
> happy
> chappy!
>
>
