Mounting/Accessing SD-Card on BBB
Christian Mauderer
list at c-mauderer.de
Fri Aug 16 09:40:39 UTC 2019
PS: If neither the SD nor the eMMC has a bootable image your BBB falls
back to serial and then USB boot anyway. So no need to change any boot pins.
On 16/08/2019 11:38, Christian Mauderer wrote:
> Hello Nils,
>
> if the U-Boot doesn't start from eMMC any more it won't be easy.
> Theoretically it is possible to boot via serial. See for example
>
> http://linuxkernel51.blogspot.com/2015/08/booting-beagle-bone-black-over-uart.html
>
> With that you could load an U-Boot (via X-Modem) that could start a
> system from USB (image from Beagle home page maybe could work if it can
> boot from USB) that could re-write the eMMC. Most likely it would need a
> few hours to a day to figure out the details. So you should definitively
> order a replacement as a backup solution.
>
> Best regards
>
> Christian
>
> On 16/08/2019 11:13, Nils Hölscher wrote:
>> Hi Christin,
>>
>> Thanks for the hint.
>> But how can I alter the U- Boot on eMMC?
>> Problem is I have a Linux version with an U-Boot that disables emmc on
>> the emmc...
>> And I guess I cant flash emmc without SD.
>>
>> Best,
>> Nils
>>
>> On Fri, 16 Aug 2019 at 11:03, Christian Mauderer <list at c-mauderer.de
>> <mailto:list at c-mauderer.de>> wrote:
>>
>> On 16/08/2019 10:55, Nils Hölscher wrote:
>> > Hi,
>> >
>> > It seems the problem was hardware related.
>> > My SD-Card connector just died.
>> > I hope I can get a new BBB oin a timely manner.
>> >
>> > Best,
>> > Nils
>>
>> Hello Nils,
>>
>> thanks for the information. That's annoying. Good luck finding a
>> replacement.
>>
>> For a quick workaround: I haven't tried that yet but if your on-board
>> eMMC is still intact, you might can use that U-Boot to boot from USB.
>>
>> Best regards
>>
>> Christian
>>
>> >
>> > On Fri, 16 Aug 2019 at 10:48, 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,
>> >
>> > thanks for the file list. I can't reproduce your problem with it.
>> >
>> > On 16/08/2019 10:01, Nils Hölscher wrote:
>> > > Hi,
>> > >
>> > > Short update.
>> > >
>> > > It seems the device only hangs while I am connected with the
>> debugger.
>> >
>> > Is that true for the original file system tree? You are
>> debugging via
>> > Ethernet, right? In that case I would lean more toward a
>> problem with
>> > the debugger support than the file system. Do you have enough file
>> > descriptors configured?
>> >
>> > Best regards
>> >
>> > Christian
>> >
>> > > looks like a Heisenberg bug.
>> > >
>> > > Best,
>> > > Nils
>> > >
>> > > On Fri, 16 Aug 2019 at 09:50, Nils Hölscher
>> <nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>
>> > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>
>> > > <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>
>> <mailto:nilhoel1 at gmail.com <mailto:nilhoel1 at gmail.com>>>> wrote:
>> > >
>> > >
>> > > On Thu, 15 Aug 2019 at 19:51, 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:
>> > >
>> > > 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>
>> <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
>> <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:
>> > > >
>> > > > 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>>
>> > > <mailto: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>>>
>> > > > <mailto: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>>
>> > > <mailto: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>>>>
>> > > > >
>> <mailto: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>>
>> > > <mailto: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>>>
>> > > > <mailto: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>>
>> > > <mailto: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>>
>> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
>> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
>> > > > <mailto:gedare at rtems.org
>> <mailto:gedare at rtems.org> <mailto:gedare at rtems.org
>> <mailto:gedare at rtems.org>>
>> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
>> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>>
>> > > > > <mailto:gedare at rtems.org
>> <mailto:gedare at rtems.org>
>> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
>> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
>> > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>>
>> > > <mailto:gedare at rtems.org <mailto:gedare at rtems.org>
>> <mailto:gedare at rtems.org <mailto:gedare at rtems.org>>
>> > <mailto: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>>
>> <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
>> <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>
>> > <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
>> <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:
>> > > > > > >
>> > > > > > > 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>>>
>> > > <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 <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>
>> > <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 <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>>
>> > > <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 <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>
>> > <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
>> <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>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>
>> > > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>>
>> > > > <mailto:users at rtems.org
>> <mailto:users at rtems.org> <mailto:users at rtems.org
>> <mailto:users at rtems.org>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>
>> > > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto: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>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>
>> > > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>>
>> > > > <mailto:users at rtems.org
>> <mailto:users at rtems.org> <mailto:users at rtems.org
>> <mailto:users at rtems.org>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>
>> > > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto: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>>
>> > > <mailto: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>>>
>> > > > <mailto: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>>
>> > > <mailto: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>>>>
>> > > > >
>> <mailto: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>>
>> > > <mailto: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>>>
>> > > > <mailto: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>>
>> > > <mailto: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.
>> > > > >
>> > > > >
>> > > > > _______________________________________________
>> > > > > users mailing list
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>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>>
>> > > <mailto:users at rtems.org <mailto:users at rtems.org>
>> <mailto:users at rtems.org <mailto:users at rtems.org>>
>> > <mailto: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
>> > > > >
>> > > >
>> > >
>> >
>>
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