Robert
Turns out what was in flash was dead, would not even boot.
I may have booted from flash on this board once when I first purchased the
board last fall.
So I have no idea what happened to flash or when.
So I downloaded the latest 08/31/2017 IOT image and converted it to a
flasher image and
flashed the eMMC with it.
It flashed fine and booted, which said at least the eMMC was not defective
I took a look at what was there using a cloud9 terminal as I have not run
connman yet
and tried python Adafruit_BBIO ADC and it worked.
I did not execute any of the commands to create a new group and change file
permissions.
It just worked out of the box.
Did you make any changes to the 08/31 image from this discussion that would
have fixed the issue?
Tomorrow I can try an sd card with a fresh image without the fixed
discussed earlier today and see what
happens with flash having a good image.
Here is what I did
debian@beaglebone:/var/lib/cloud9$ uname -a
Linux beaglebone 4.4.84-ti-r120 #1 SMP Sun Aug 27 03:11:07 UTC 2017 armv7l
GNU/Linux
debian@beaglebone:/var/lib/cloud9$ cat /etc/dogtag
BeagleBoard.org Debian Image 2017-08-31
debian@beaglebone:/var/lib/cloud9$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 217M 0 217M 0% /dev
tmpfs 49M 4.9M 44M 10% /run
/dev/mmcblk1p1 3.5G 1.6G 1.7G 48% /
tmpfs 244M 0 244M 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 244M 0 244M 0% /sys/fs/cgroup
debian@beaglebone:/var/lib/cloud9$ python
Python 2.7.13 (default, Jan 19 2017, 14:48:08)
[GCC 6.3.0 20170118] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import Adafruit_BBIO.ADC as ADC
>>> ADC.setup()
>>> ADC.read_raw("AIN0")
3950.0
>>> quit()
debian@beaglebone:/var/lib/cloud9$
Tom
On Friday, September 1, 2017 at 3:25:09 PM UTC-4, tdlivings wrote:
>
> Robert
> OK deleted the file using your command and after a reboot it worked
> running python without sudo.
> So whats in flash is upsetting the system, I will see what is in flash
> after dinner.
>
> Last login: Fri Sep 1 19:16:09 2017 from 192.168.0.15
>
> *debian@beaglebone*:*~*$ uname -a
>
> Linux beaglebone 4.4.83-ti-r119 #1 SMP Thu Aug 17 06:39:24 UTC 2017 armv7l
> GNU/Linux
>
> *debian@beaglebone*:*~*$ cat /etc/dogtag
>
> BeagleBoard.org Debian Image 2017-08-24
>
> *debian@beaglebone*:*~*$ python
>
> Python 2.7.13 (default, Jan 19 2017, 14:48:08)
>
> [GCC 6.3.0 20170118] on linux2
>
> Type "help", "copyright", "credits" or "license" for more information.
>
> >>> import Adafruit_BBIO.ADC as ADC
>
> >>> ADC.setup()
>
> >>> ADC.readraw("AIN1")
>
> Traceback (most recent call last):
>
> File "<stdin>", line 1, in <module>
>
> AttributeError: 'module' object has no attribute 'readraw'
>
> >>> ADC.read_raw("AIN1")
>
> 3648.0
>
> >>> quit()
>
> *debian@beaglebone*:*~*$
>
> Tom
>
>
> On Friday, September 1, 2017 at 3:12:48 PM UTC-4, RobertCNelson wrote:
>>
>> On Fri, Sep 1, 2017 at 2:07 PM, tdlivings <tdli...@gmail.com> wrote:
>> > Robert
>> > Interesting as all I did was download the latest image you posted on
>> > Beagleboard.org and burn an sd card with it.
>> > I expanded the file system and tried it out.
>> > Seems to me if booting from an sd card the eMMC boot loader should neve
>> be
>> > run.
>>
>> The am335x's bootrom defaults to eMMC first...
>>
>> > I will give a try to killing the MLO file and I will see what image is
>> > actually in flash on this BBBW.
>>
>> Regards,
>>
>> --
>> Robert Nelson
>> https://rcn-ee.com/
>>
>
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