Mounting/Accessing SD-Card on BBB
Nils Hölscher
nilhoel1 at gmail.com
Fri Aug 16 08:01:13 UTC 2019
Hi,
Short update.
It seems the device only hangs while I am connected with the debugger.
looks like a Heisenberg bug.
Best,
Nils
On Fri, 16 Aug 2019 at 09:50, Nils Hölscher <nilhoel1 at gmail.com> wrote:
>
> On Thu, 15 Aug 2019 at 19:51, Christian Mauderer <list at c-mauderer.de>
> wrote:
>
>> Hello Nils,
>>
>> maybe another bug in our FAT file system...
>>
>> Please do three things:
>>
>> 1. Create an image of your current card (with dd or a similar tool). FAT
>> bugs are sometimes hard to reproduce but it's really urgent that we fix
>> them. So maybe I'll ask for that image later.
>>
>> I did that.
> Let me know if you need the image.
>
> 2. Create a complete list of the files on your card (for example the
>> Linux `tree -h` command), post it here and tell me what you tried to open.
>>
>> .
> ├── [ 50K] am335x-boneblack.dtb
> ├── [ 49K] am335x-boneblack+pruss.dtb
> ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> ├── [162K] Linux-with-UIO.dtb
> ├── [ 44] loob.bin
> ├── [108K] MLO
> ├── [2.1M] pru.exe.img
> ├── [ 12] test.bin
> ├── [471K] u-boot.img
> ├── [ 390] uEnvLinuxfdt.txt
> └── [ 560] uEnv.txt
>
> 3. Try another name / folder for the file you wanted to open.\
>>
>> I moved the file in another folder and renamed it.
> It now works but I got en error, I am currently investigating if this is
> on the pru driver side or not.
> The tree while doing this was:
> .
> ├── [ 50K] am335x-boneblack.dtb
> ├── [ 49K] am335x-boneblack+pruss.dtb
> ├── [ 883] AM335X-PRU-UIO-00A0.dtbo
> ├── [ 649] AM335X-PRU-UIO-BSD-00A0.dtbo
> ├── [162K] Linux-with-UIO.dtb
> ├── [ 44] loob.bin
> ├── [108K] MLO
> ├── [2.1M] pru.exe.img
> ├── [2.0K] test
> │ └── [ 12] test2.bin
> ├── [ 12] test2.bin
> ├── [471K] u-boot.img
> ├── [ 390] uEnvLinuxfdt.txt
> └── [ 560] uEnv.txt
>
>
> Thanks,
> Nils
>
>> Best regards
>>
>> Christian
>>
>> On 15/08/2019 19:32, Nils Hölscher wrote:
>> > Hi Christian,
>> >
>> > The commands ls and cat work.
>> > I just tested them, this seems kinda awkward.
>> >
>> > Best,
>> > Nils
>> >
>> > On Thu, 15 Aug 2019 at 19:27, Christian Mauderer <list at c-mauderer.de
>> > <mailto:list at c-mauderer.de>> wrote:
>> >
>> > Hello Nils,
>> >
>> > does some other access to the file system work? Like a ls on the
>> console
>> > or creating a file. Can you do a `cat` on some text file on the file
>> > system? If not: Does it work for a file in the root file system
>> (should
>> > be a IMFS)?
>> >
>> > Best regards
>> >
>> > Christian
>> >
>> > On 15/08/2019 15:54, Nils Hölscher wrote:
>> > > Hi,
>> > >
>> > > I when my app wants to open a file on the SD card dev=mmcsd-0-0
>> rtems
>> > > freezes.
>> > > Exact call is:
>> > > fd = open(file, O_RDONLY);
>> > > With file being the pru binary I want to upload.
>> > >
>> > > Thanks,
>> > > Nils
>> > >
>> > > On Tue, 13 Aug 2019 at 17:56, Christian Mauderer
>> > > <christian.mauderer at embedded-brains.de
>> > <mailto:christian.mauderer at embedded-brains.de>
>> > > <mailto:christian.mauderer at embedded-brains.de
>> > <mailto:christian.mauderer at embedded-brains.de>>> wrote:
>> > >
>> > > Hello Nils,
>> > >
>> > > a third possibility: You could start a FTP server and push the
>> > file
>> > > via network.
>> > >
>> > > Best regards
>> > >
>> > > Christian
>> > >
>> > > Am Dienstag, 13. August 2019 schrieb Nils Hölscher:
>> > > > Hi,
>> > > >
>> > > >
>> > > > Thanks for the input I will try the SD card first.
>> > > > That way I won't have to alter the code when I want to run
>> other
>> > > stuff on the pru.
>> > > >
>> > > >
>> > > > Best,
>> > > > Nils
>> > > >
>> > > >
>> > > > On Tue, 13 Aug 2019 at 17:32, Gedare Bloom <
>> gedare at rtems.org
>> > <mailto:gedare at rtems.org>
>> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>> wrote:
>> > > >
>> > > > You can also build the PRU image into the RTEMS binary. See
>> > > > examples-v2.git/file_io/crc/init.c
>> > > >
>> > > > On Tue, Aug 13, 2019 at 8:46 AM Christian Mauderer
>> > > <list at c-mauderer.de <mailto:list at c-mauderer.de>
>> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>> wrote:
>> > > > >
>> > > > > Hello Nils,
>> > > > >
>> > > > > that's a bit odd. I attached an expected output below.
>> > Some guesses:
>> > > > >
>> > > > > - Did you add FAT file system to your application?
>> > > > > - Is there some odd formatting on the SD? Normally at
>> > least the FAT
>> > > > > partition used by U-Boot should be visible.
>> > > > > - Is your BDBUF configuration OK?
>> > > > > - Do you have enough file descriptors?
>> > > > >
>> > > > > Beneath that: If you only need something where you can put
>> > some
>> > > files,
>> > > > > you can try to connect a USB stick instead. Maybe that
>> > works better.
>> > > > >
>> > > > > Best regards
>> > > > >
>> > > > > Christian
>> > > > >
>> > > > >
>> > > > > media listener: event = DISK ATTACH, state = INQUIRY, src
>> > = mmcsd
>> > > > > media listener: event = DISK ATTACH, state = SUCCESS, src
>> =
>> > > mmcsd, dest
>> > > > > = /dev/mmcsd-0
>> > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > /dev/mmcsd-0
>> > > > > mmcsd0: 4GB <SDHC TO 15.15 SN 000002F6 MFG 02/2017 by 25
>> > DY> at mmc0
>> > > > > 24.0MHz/4bit/65535-block
>> > > > > media listener: event = MOUNT, state = FAILED, src =
>> > /dev/mmcsd-0
>> > > > > media listener: event = PARTITION INQUIRY, state =
>> > INQUIRY, src =
>> > > > > /dev/mmcsd-0
>> > > > > media listener: event = PARTITION INQUIRY, state =
>> > SUCCESS, src =
>> > > > > /dev/mmcsd-0
>> > > > > media listener: event = PARTITION ATTACH, state = INQUIRY,
>> > src =
>> > > > > /dev/mmcsd-0
>> > > > > media listener: event = PARTITION ATTACH, state = SUCCESS,
>> > src =
>> > > > > /dev/mmcsd-0, dest = /dev/mmcsd-0-0
>> > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > /dev/mmcsd-0-0
>> > > > > media listener: event = MOUNT, state = SUCCESS, src =
>> > > /dev/mmcsd-0-0,
>> > > > > dest = /media/mmcsd-0-0
>> > > > > media listener: event = DISK ATTACH, state = INQUIRY, src
>> > = mmcsd
>> > > > > media listener: event = DISK ATTACH, state = SUCCESS, src
>> =
>> > > mmcsd, dest
>> > > > > = /dev/mmcsd-1
>> > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > /dev/mmcsd-1
>> > > > > mmcsd1: 4GB <MMCHC MMC04G 5.8 SN 160D224B MFG 09/2014 by
>> 112
>> > > 0x0000> at
>> > > > > mmc1 48.0MHz/8bit/65535-block
>> > > > > media listener: event = MOUNT, state = FAILED, src =
>> > /dev/mmcsd-1
>> > > > > media listener: event = PARTITION INQUIRY, state =
>> > INQUIRY, src =
>> > > > > /dev/mmcsd-1
>> > > > > media listener: event = PARTITION INQUIRY, state = FAILED,
>> > src =
>> > > > > /dev/mmcsd-1
>> > > > > media listener: event = DISK ATTACH, state = INQUIRY, src
>> =
>> > > mmcsd1boot
>> > > > > mmcsd1boot0: 2MB partion 1 at mmcsd1
>> > > > > mmcsd1boot1: 2MB partion 2 at mmcsd1
>> > > > > mmcsd1rpmb: 131kB partion 3 at mmcsd1
>> > > > >
>> > > > >
>> > > > > On 13/08/2019 13:30, Nils Hölscher wrote:
>> > > > > > Hi,
>> > > > > >
>> > > > > > Thanks for the help.
>> > > > > > I tried to use your code, but I always get "ERROR: SD
>> > could not be
>> > > > > > mounted after timeout".
>> > > > > > Even after raising the waiting time.
>> > > > > >
>> > > > > > The sources I use start here:
>> > > > > >
>> > https://github.com/nilhoel1/rtems-pru/blob/pruss-shell/main.c#L110
>> > > > > >
>> > > > > > And my uart output is:
>> > > > > > ""
>> > > > > > waiting for SD...
>> > > > > >
>> > > > > > usbus0: 480Mbps High Speed USB v2.0
>> > > > > > usbus1: 480Mbps High Speed USB v2.0
>> > > > > > media listener: event = DISK ATTACH, state = INQUIRY,
>> > src = mmcsd
>> > > > > > media listener: event = DISK ATTACH, state = SUCCESS,
>> src =
>> > > mmcsd, dest
>> > > > > > = /dev/mmcsd-0
>> > > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > /dev/mmcsd-0
>> > > > > > ugen0.1: <Mentor Graphics OTG Root HUB> at usbus0
>> > > > > > ugen1.1: <Mentor Graphics OTG Root HUB> at usbus1
>> > > > > > uhub0: <Mentor Graphics OTG Root HUB, class 9/0, rev
>> > > 2.00/1.00, addr 1>
>> > > > > > on usbus0
>> > > > > > uhub1: <Mentor Graphics OTG Root HUB, class 9/0, rev
>> > > 2.00/1.00, addr 1>
>> > > > > > on usbus1
>> > > > > > media listener: event = MOUNT, state = FAILED, src =
>> > /dev/mmcsd-0
>> > > > > > media listener: event = PARTITION INQUIRY, state =
>> > INQUIRY, src =
>> > > > > > /dev/mmcsd-0
>> > > > > > media listener: event = PARTITION INQUIRY, state =
>> > SUCCESS, src =
>> > > > > > /dev/mmcsd-0
>> > > > > > media listener: event = PARTITION ATTACH, state =
>> > INQUIRY, src =
>> > > > > > /dev/mmcsd-0
>> > > > > > media listener: event = PARTITION ATTACH, state =
>> > SUCCESS, src =
>> > > > > > /dev/mmcsd-0, dest = /dev/mmcsd-0-0
>> > > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > > /dev/mmcsd-0-0
>> > > > > > media listener: event = MOUNT, state = FAILED, src =
>> > > /dev/mmcsd-0-0
>> > > > > > media listener: event = DISK ATTACH, state = INQUIRY,
>> > src = mmcsd
>> > > > > > media listener: event = DISK ATTACH, state = SUCCESS,
>> src =
>> > > mmcsd, dest
>> > > > > > = /dev/mmcsd-1
>> > > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > /dev/mmcsd-1
>> > > > > > media listener: event = MOUNT, state = FAILED, src =
>> > /dev/mmcsd-1
>> > > > > > media listener: event = PARTITION INQUIRY, state =
>> > INQUIRY, src =
>> > > > > > /dev/mmcsd-1
>> > > > > > media listener: event = PARTITION INQUIRY, state =
>> > SUCCESS, src =
>> > > > > > /dev/mmcsd-1
>> > > > > > media listener: event = PARTITION ATTACH, state =
>> > INQUIRY, src =
>> > > > > > /dev/mmcsd-1
>> > > > > > media listener: event = PARTITION ATTACH, state =
>> > SUCCESS, src =
>> > > > > > /dev/mmcsd-1, dest = /dev/mmcsd-1-0
>> > > > > > media listener: event = MOUNT, state = INQUIRY, src =
>> > > /dev/mmcsd-1-0
>> > > > > > media listener: event = MOUNT, state = FAILED, src =
>> > > /dev/mmcsd-1-0
>> > > > > > media listener: event = DISK ATTACH, state = INQUIRY,
>> src =
>> > > mmcsd1boot
>> > > > > > uhub0: 1 port with 1 removable, self powered
>> > > > > > uhub1: 1 port with 1 removable, self powered
>> > > > > > ERROR: SD could not be mounted after timeout
>> > > > > > ""
>> > > > > >
>> > > > > > Thanks,
>> > > > > > Nils
>> > > > > >
>> > > > > > On Mon, 12 Aug 2019 at 18:01, Christian Mauderer
>> > > <list at c-mauderer.de <mailto:list at c-mauderer.de>
>> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>
>> > > > > > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>
>> > <mailto:list at c-mauderer.de <mailto:list at c-mauderer.de>>>> wrote:
>> > > > > >
>> > > > > > On 12/08/2019 07:28, Nils Hölscher wrote:
>> > > > > > > Hi,
>> > > > > > >
>> > > > > > > Can anyone help me with this?
>> > > > > > > I need to access the BBB's SD-Card, so that I can
>> load
>> > > my pru
>> > > > > > example on
>> > > > > > > the pru.
>> > > > > > >
>> > > > > > > Thanks,
>> > > > > > > Nils
>> > > > > > >
>> > > > > >
>> > > > > > Hello Nils,
>> > > > > >
>> > > > > > take a look at the following application:
>> > > > > >
>> > > > > >
>> > >
>> >
>> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/init.c#L64
>> > > > > >
>> > > > > >
>> > >
>> >
>> https://gitlab.com/c-mauderer/rtems-bbb/blob/master/apps/wifi-sample/libbsdhelper.c#L122
>> > > > > >
>> > > > > > You should mainly need the stuff from the
>> > > libbsdhelper_init_sd_card()
>> > > > > > and libbsdhelper_wait_for_sd().
>> > > > > >
>> > > > > > Please note that the SD card needs quite some time
>> to
>> > > initialize on BBB.
>> > > > > > I haven't had a look at it why that is the case.
>> > > > > >
>> > > > > > Best regards
>> > > > > >
>> > > > > > Christian
>> > > > > >
>> > > > > >
>> > > > > > _______________________________________________
>> > > > > > users mailing list
>> > > > > > users at rtems.org <mailto:users at rtems.org>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > > > > > http://lists.rtems.org/mailman/listinfo/users
>> > > > > >
>> > > > > _______________________________________________
>> > > > > users mailing list
>> > > > > users at rtems.org <mailto:users at rtems.org>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > > > > http://lists.rtems.org/mailman/listinfo/users
>> > > >
>> > >
>> > > --
>> > > --
>> > > --------------------------------------------
>> > > embedded brains GmbH
>> > > Herr Christian Mauderer
>> > > Dornierstr. 4
>> > > D-82178 Puchheim
>> > > Germany
>> > > email: christian.mauderer at embedded-brains.de
>> > <mailto:christian.mauderer at embedded-brains.de>
>> > > <mailto:christian.mauderer at embedded-brains.de
>> > <mailto:christian.mauderer at embedded-brains.de>>
>> > > Phone: +49-89-18 94 741 - 18
>> > > Fax: +49-89-18 94 741 - 08
>> > > PGP: Public key available on request.
>> > >
>> > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne
>> > des EHUG.
>> > >
>> > >
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>> > > http://lists.rtems.org/mailman/listinfo/users
>> > >
>> >
>>
>
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