[ell-i-developers] Re: ENCX24J600 driver status
- From: Asif Sardar <engr.asif.sardar@xxxxxxxxxxxxxx>
- To: "ell-i-developers@xxxxxxxxxxxxx" <ell-i-developers@xxxxxxxxxxxxx>
- Date: Wed, 12 Nov 2014 14:09:47 +0200
Hi,
The following may be bugs:
-
Do we need to disable flow control in ECON1 register, currently ECON2
AUTOFC is disabled
-
The PADCFG bits might need to be set other then default
-
MAMXFL for maximum frame length, ENCX24J600 data sheet → page 77 MAC
initialization
-
SHA1MD5 bit should be set to 1, now its 0
-
Should we set the DEFER, BP_EN and NO_BKOFF bits in MACON2 register for
half duplex mode? Also, shall we set MAIPG register to 12h?
On Mon, Nov 10, 2014 at 3:31 PM, Asif Sardar <
engr.asif.sardar@xxxxxxxxxxxxxx> wrote:
> Hi all,
>
> Untill so far:
>
>
> -
>
> I have read the ENCX24J600 data sheet
> -
>
> I have read the ENCX24J600 feature-runtime-wip code
>
> - The register map of ENCX24J600 for SPI interface is written correct
>
> - The SPI opcodes are correct
>
> - The transmit and receive buffer are configured and initialized
> correct
>
> - The receive filter is configured correct
>
> - The MACCON1 is configured correct
>
> - Checking the ECON1, ECON2, MACON2 is in progress
>
>
> On Tue, Nov 4, 2014 at 5:23 PM, Jose Granados Vergara <
> jose.granados@xxxxxx> wrote:
>
>> Here is an initialization procedure I found for reference:
>>
>>
>> https://github.com/bootc/PolyController/blob/master/drivers/enc424j600.c#L73
>>
>> -Jose
>> ------------------------------
>> *De:* ell-i-developers-bounce@xxxxxxxxxxxxx [
>> ell-i-developers-bounce@xxxxxxxxxxxxx] en nombre de Pekka Nikander [
>> pekka.nikander@xxxxxx]
>> *Enviado:* martes, 04 de noviembre de 2014 05:11 p.m.
>> *Para:* ell-i-developers@xxxxxxxxxxxxx
>> *Asunto:* [ell-i-developers] Re: ENCX24J600 driver status
>>
>> Hi Asif,
>>
>> Yes, you are on the right track. E_STAT low byte reading is indeed
>> returning a zero; I've verified that with SPI protocol analyser. I suspect
>> there is some initialisation problem. The next step would be to carefully
>> read through what we initialise in the registers, and in availablepackets
>> probably read more registers to see what is going on. ALso in receive to
>> analyse the status bits.
>>
>> --Pekka
>>
>> On 2014–11–04, at 16:48 , Asif Sardar <engr.asif.sardar@xxxxxxxxxxxxxx>
>> wrote:
>>
>> Hi all,
>>
>> I have been reading the code for SPI and ENCX24J600 in the
>> feature-runtime-wip.
>>
>> To my understanding the ENCX24J600Class::availablePackets() in
>> encx24j600_packet.h is not returning correct packet count value in E_STAT
>> address read through SPI. That may be the only reason why its not reading
>> furthermore packets. Is it possible to test the value returned from lower
>> 8-bits of E_STAT by writing it through serial port? There might be
>> configuration problems while initializing the registers for encx24j600.
>>
>>
>>
>> On Thu, Oct 30, 2014 at 12:21 PM, Pekka Nikander <pekka.nikander@xxxxxx>
>> wrote:
>>
>>> We did some further joint work on the ENCX24J600 driver with Teemu and
>>> Otso:
>>>
>>> https://github.com/Ell-i/Runtime/commits/feature-encX24J600-wip
>>>
>>> The current status is as follows:
>>>
>>> 1. The test_ENCX24J600_send test case sends out packets correctly
>>>
>>> 2. The test_ENCX24J600_receive receives one packet, apparently correctly.
>>>
>>> 3. The test_CoAP_no_threads receives one packet, and apparently passes
>>> it correctly to ARP, but ARP does not seem to respond for some reason.
>>>
>>> The current blocking problem is that once the code has received one
>>> packet, ENCX24J600.availablePackets no longer reports any more packets. In
>>> an earlier version, before fixing the location where we were reading the
>>> packets from, the code did apparently read a packet each and every time
>>> there was a packet:
>>>
>>>
>>> https://github.com/Ell-i/Runtime/commit/3e58adbfdf2aeecb5e5b9b99c25c8000b8ad3813
>>>
>>> So, somehow the later changes, while fixing the bug of reading wrong
>>> data, caused a new bug where any packets beyond the first one are not read
>>> any more.
>>>
>>> --Pekka
>>>
>>>
>>
>>
>> --
>>
>>
>>
>> *With Best Regards, Asif Sardar. +358 43 8265795 <%2B358%2043%208265795> *
>>
>>
>>
>
>
> --
>
>
>
> *With Best Regards,Asif Sardar.+358 43 8265795 <%2B358%2043%208265795>*
>
--
*With Best Regards,Asif Sardar.+358 43 8265795*
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