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From: Alexander Aring <alex.aring@gmail.com>
To: Baptiste Clenet <bapclenet@gmail.com>
Cc: Stefan Schmidt <stefan@osg.samsung.com>, linux-wpan@vger.kernel.org
Subject: Re: What is SAM value? "ieee802154 phy0 wpan0: SAM value 0x3 not supported"
Date: Mon, 27 Jul 2015 19:28:17 +0200	[thread overview]
Message-ID: <20150727172816.GB794@omega> (raw)
In-Reply-To: <CAPpUg6OxkeS4T1vkmdhcL4xYvCp7e-k+SkO2gvxxUOYV6t1qVw@mail.gmail.com>

On Mon, Jul 27, 2015 at 05:55:27PM +0200, Baptiste Clenet wrote:
> 2015-07-27 17:13 GMT+02:00 Baptiste Clenet <bapclenet@gmail.com>:
> >>> Then forget that and make some at86rf230 driver debug messages. See
> >>> "print_hex_dump" [0]. Add this add skb->data in at86rf230_xmit and
> >>> at86rf230_rx_read_frame_complete (but after the skb is filled with data,
> >>> otherwise it makes no sense).
> >>>
> >>> This will allow us to see what's the lowest layer is. If the transmit
> >>> side looks correct, but receive side looks weird then I suppose
> >>> something is wrong again with your spi setup.
> >>>
> >>> The reason is that we get the lowest dump of the transmitted and
> >>> received buffer and nobody touched that buffer then.
> >
> > I dump the packet in at86rf230_xmit and
> > at86rf230_rx_read_frame_complete (just before
> > ieee802154_rx_irqsafe(lp->hw, skb, lqi)). This is wireshark analyse of
> > the two packets. The first one is correct and comes from the sender,
> > the second is from the receiver (I manually created the hex dump file)
> > which is wrong! So something seem to occur when the frame goes to the
> > transceiver.

ah, sorry I misunderstood you. So you have capture the raw data for
transmit and receiving and it differs. Then I have still no idea what's
wrong on your side. :-)

- Alex

  parent reply	other threads:[~2015-07-27 17:28 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-24  7:56 What is SAM value? "ieee802154 phy0 wpan0: SAM value 0x3 not supported" Baptiste Clenet
2015-07-24  8:31 ` Alexander Aring
2015-07-24  8:47   ` Baptiste Clenet
2015-07-24  9:02     ` Baptiste Clenet
2015-07-24  9:45       ` Baptiste Clenet
2015-07-24  9:53         ` Alexander Aring
2015-07-24  9:48       ` Alexander Aring
2015-07-24  9:56         ` Baptiste Clenet
2015-07-24 10:18           ` Alexander Aring
2015-07-24 12:03             ` Baptiste Clenet
2015-07-24 12:13               ` Alexander Aring
2015-07-24 12:53                 ` Baptiste Clenet
2015-07-24 13:07                   ` Alexander Aring
2015-07-24 14:45                     ` Baptiste Clenet
2015-07-24 14:51                       ` Stefan Schmidt
2015-07-24 15:14                         ` Baptiste Clenet
2015-07-24 16:24                           ` Stefan Schmidt
2015-07-26 21:03                             ` Baptiste Clenet
2015-07-27  8:03                           ` Baptiste Clenet
2015-07-27  8:06                             ` Baptiste Clenet
2015-07-27  8:32                             ` Alexander Aring
2015-07-27  8:58                               ` Baptiste Clenet
2015-07-27  9:05                                 ` Baptiste Clenet
2015-07-27  9:30                                   ` Alexander Aring
2015-07-27 10:08                                     ` Baptiste Clenet
2015-07-27 10:21                                       ` Alexander Aring
2015-07-27 10:31                                         ` Baptiste Clenet
2015-07-27 10:38                                           ` Alexander Aring
2015-07-27 10:52                                             ` Baptiste Clenet
2015-07-27 11:30                                               ` Alexander Aring
2015-07-27 12:29                                                 ` Baptiste Clenet
2015-07-27 12:42                                                   ` Alexander Aring
2015-07-27 12:45                                                     ` Baptiste Clenet
2015-07-27 15:13                                                       ` Baptiste Clenet
2015-07-27 15:55                                                         ` Baptiste Clenet
2015-07-27 16:35                                                           ` Alexander Aring
2015-07-27 17:28                                                           ` Alexander Aring [this message]
2015-07-27 17:43                                                             ` Baptiste Clenet
2015-07-27 19:10                                                               ` Alexander Aring

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