On 22 Dec 2013, at 16:50, Bas Laarhoven <s...@xs4all.nl> wrote:
> On 22-12-2013 16:00, Bas de Bruijn wrote:
>>
>> On 2013-12-22 15:25, Bas Laarhoven wrote:
>>> On 22-12-2013 14:48, bdebru...@luminize.nl wrote:
>>>>> But first check whether you've loaded the proper overlay as I wrote
>>>>> above.
>>>> check, I have made sure the line is as follows:
>>>>
>>>> optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONE-EMMC-2G,cape-bebopr-brdg
>>>>
>>>>>> To avoid misunderstandings maybe: when the line in the uEnv.txt is
>>>>>> like this:
>>>>>>
>>>>>>
>>>>>> optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONE-EMMC-2G,cape-bebopr-brdg
>>>>>> LinuxCNC is starting up with the BeBoPr bridge(=+) cape
>>>>>> configuration.
>>>> but there is no difference.
>>>> How can I check that the pins of J6, J7 and J8 match AINx?
>>> I'm using the following shell script that writes all AIN values to
>>> the
>>> console in a loop.
>>>
>>> #!/bin/sh
>>> while : ; do
>>> for i in 4 5 6 ; do
>>> echo -n "AIN${i}: `cat
>>>
>>> /sys/devices/ocp.2/44e0d000.tscadc/tiadc/iio\:device0/in_voltage${i}_raw`
>>> "
>>> sleep 1
>>> done
>>> echo ""
>>> done
>>>
>> I get no response from the testscript.sh when I run ./testscript.sh
>>
>>> Then use a jumper to short the analog input. After one or two
>>> readings,
>>> the corresponding AIN
>>> value should be (close to) zero as in the output shown below:
>>>
>>> AIN4: 3626 AIN5: 3631 AIN6: 3630
>>> AIN4: 3628 AIN5: 3631 AIN6: 3628
>>> AIN4: 3628 AIN5: 3631 AIN6: 3
>>> AIN4: 3628 AIN5: 3631 AIN6: 1
>>> AIN4: 3628 AIN5: 3632 AIN6: 3629
>>> AIN4: 33 AIN5: 3633 AIN6: 3630
>>> AIN4: 40 AIN5: 3632 AIN6: 3630
>>> AIN4: 39 AIN5: 3632 AIN6: 3629
>>>
>>> Note: I've only tested this with the cape-bebopr-brdg device tree
>>> overlay loaded, but I guess
>>> it should also work with Charles' overlay. Do check the output of
>>> "dmesg | grep capemgr" to
>>> make sure the proper one is loaded!
>> did I make a typo? is cape-bebopr-brdg the right one to disable? below
>> the results of "dmesg | grep capemgr"
>>
>> linuxcnc@arm:~$ dmesg | grep capemgr
>> [ 0.000000] Kernel command line: console=ttyO0,115200n8
>> capemgr.disable_partno=BB-BONELT-HDMI,BB-BONE-EMMC-2G,cape-bebopr-brdg
>> root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait fixrtc ip=
>> [ 1.803347] bone-capemgr bone_capemgr.8: Baseboard:
>> 'A335BNLT,0A5C,3513BBBK1445'
>> [ 1.811134] bone-capemgr bone_capemgr.8:
>> compatible-baseboard=ti,beaglebone-black
>> [ 1.819013] bone-capemgr bone_capemgr.8: Skipping disabled cape with
>> part# BB-BONE-EMMC-2G
>> [ 1.827716] bone-capemgr bone_capemgr.8: Skipping disabled cape with
>> part# BB-BONELT-HDMI
>> [ 1.863879] bone-capemgr bone_capemgr.8: slot #0: No cape found
>> [ 1.900984] bone-capemgr bone_capemgr.8: slot #1: No cape found
>> [ 1.938093] bone-capemgr bone_capemgr.8: slot #2: No cape found
>> [ 1.975203] bone-capemgr bone_capemgr.8: slot #3: No cape found
>> [ 1.981465] bone-capemgr bone_capemgr.8: slot #4: specific override
>> [ 1.988070] bone-capemgr bone_capemgr.8: bone: Using override eeprom
>> data at slot 4
>> [ 1.996109] bone-capemgr bone_capemgr.8: slot #4:
>> 'Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G'
>> [ 2.006623] bone-capemgr bone_capemgr.8: slot #5: specific override
>> [ 2.013240] bone-capemgr bone_capemgr.8: bone: Using override eeprom
>> data at slot 5
>> [ 2.021279] bone-capemgr bone_capemgr.8: slot #5:
>> 'Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI'
>> [ 2.031324] bone-capemgr bone_capemgr.8: slot #6: specific override
>> [ 2.037924] bone-capemgr bone_capemgr.8: bone: Using override eeprom
>> data at slot 6
>> [ 2.045961] bone-capemgr bone_capemgr.8: slot #6:
>> 'Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN'
>> [ 2.056340] bone-capemgr bone_capemgr.8: Skipping loading of
>> disabled cape with part# BB-BONE-EMMC-2G
>> [ 2.066018] bone-capemgr bone_capemgr.8: Skipping loading of
>> disabled cape with part# BB-BONELT-HDMI
>> [ 2.075800] bone-capemgr bone_capemgr.8: initialized OK.
>> [ 2.081423] bone-capemgr bone_capemgr.8: loader: before slot-6
>> BB-BONELT-HDMIN:00A0 (prio 2)
>> [ 2.090277] bone-capemgr bone_capemgr.8: loader: check slot-6
>> BB-BONELT-HDMIN:00A0 (prio 2)
>> [ 2.119407] bone-capemgr bone_capemgr.8: loader: after slot-6
>> BB-BONELT-HDMIN:00A0 (prio 2)
>> [ 2.134288] bone-capemgr bone_capemgr.8: slot #6: Requesting
>> firmware 'cape-boneblack-hdmin-00A0.dtbo' for board-name
>> 'Bone-Black-HDMIN', version '00A0'
>> [ 2.169086] bone-capemgr bone_capemgr.8: slot #6: dtbo
>> 'cape-boneblack-hdmin-00A0.dtbo' loaded; converting to live tree
>> [ 2.192143] bone-capemgr bone_capemgr.8: slot #6: #2 overlays
>> [ 2.213163] bone-capemgr bone_capemgr.8: slot #6: Applied #2
>> overlays.
>> [ 2.220039] bone-capemgr bone_capemgr.8: loader: done slot-6
>> BB-BONELT-HDMIN:00A0 (prio 2)
>> [ 96.964424] bone-capemgr bone_capemgr.8: part_number
>> 'BB-LCNC-BEBOPRBR', version 'N/A'
>> [ 96.974155] bone-capemgr bone_capemgr.8: slot #7: generic override
>> [ 96.980767] bone-capemgr bone_capemgr.8: bone: Using override eeprom
>> data at slot 7
>> [ 96.988868] bone-capemgr bone_capemgr.8: slot #7: 'Override Board
>> Name,00A0,Override Manuf,BB-LCNC-BEBOPRBR'
>> [ 96.999584] bone-capemgr bone_capemgr.8: slot #7: Requesting part
>> number/version based 'BB-LCNC-BEBOPRBR-00A0.dtbo
>> [ 97.010611] bone-capemgr bone_capemgr.8: slot #7: Requesting
>> firmware 'BB-LCNC-BEBOPRBR-00A0.dtbo' for board-name 'Override Board
>> Name', version '00A0'
>> [ 97.032216] bone-capemgr bone_capemgr.8: slot #7: dtbo
>> 'BB-LCNC-BEBOPRBR-00A0.dtbo' loaded; converting to live tree
>> [ 97.046479] bone-capemgr bone_capemgr.8: slot #7: #2 overlays
>> [ 97.081274] bone-capemgr bone_capemgr.8: slot #7: Applied #2
>> overlays.
>> [ 98.437787] bone-capemgr bone_capemgr.8: part_number
>> 'cape-bone-iio', version 'N/A'
>> [ 98.447088] bone-capemgr bone_capemgr.8: slot #8: generic override
>> [ 98.453718] bone-capemgr bone_capemgr.8: bone: Using override eeprom
>> data at slot 8
>> [ 98.461769] bone-capemgr bone_capemgr.8: slot #8: 'Override Board
>> Name,00A0,Override Manuf,cape-bone-iio'
>> [ 98.472128] bone-capemgr bone_capemgr.8: slot #8: Requesting part
>> number/version based 'cape-bone-iio-00A0.dtbo
>> [ 98.482956] bone-capemgr bone_capemgr.8: slot #8: Requesting
>> firmware 'cape-bone-iio-00A0.dtbo' for board-name 'Override Board Name',
>> version '00A0'
>> [ 98.500404] bone-capemgr bone_capemgr.8: slot #8: dtbo
>> 'cape-bone-iio-00A0.dtbo' loaded; converting to live tree
>> [ 98.513739] bone-capemgr bone_capemgr.8: slot #8: #1 overlays
>> [ 98.541904] bone-capemgr bone_capemgr.8: slot #8: Applied #1
>> overlays.
>
> The log shows that you've successfully loaded the HDMIN, LCNC-BEBOPR and
> BONE-IIO overlays.
>
> I don't have a LinuxCNC system available to test at the moment, so maybe
> Charles
> or someone else can comment.
>
> Maybe you're bitten by the ever changing device numbering scheme: Have a
> look in
> /sys/devices for the name of the ocp.? node. The script assumes it's
> ocp.2, but maybe
> it ocp.3 or something else in your situation.
ocp.2 seems there
> Or do a "find /sys/devices/ -name in_voltage4_raw" on the command line
> and see if
> there is a difference with the path used in the script.
linuxcnc@arm:~$ find /sys/devices/ -name in_voltage4_raw
/sys/devices/ocp.2/44e0d000.tscadc/tiadc/iio:device0/in_voltage4_raw
It’s there, but the script doesn’t work. :(
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