On Wed, Feb 17, 2016 at 4:10 AM, hllpc <[email protected]> wrote:
> Apologies for the delay,
> I spilled coffee on my notebook and it died.
>
> BBB rebooted
>
> root@arm:/home/debian# ls /lib/firmware/ | grep ADC
> BB-ADC-00A0.dtbo
>
> root@arm:/home/debian# sudo sh -c "echo 'BB-ADC' >
> /sys/devices/bone_capemgr.9/slots"
>
> root@arm:~# dmesg | grep BB-ADC
> [  214.438002] bone-capemgr bone_capemgr.9: part_number 'BB-ADC', version
> 'N/A'
> [  214.438290] bone-capemgr bone_capemgr.9: slot #7: 'Override Board
> Name,00A0,Override Manuf,BB-ADC'
> [  214.438792] bone-capemgr bone_capemgr.9: slot #7: Requesting part
> number/version based 'BB-ADC-00A0.dtbo
> [  214.444710] bone-capemgr bone_capemgr.9: slot #7: Requesting firmware
> 'BB-ADC-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
> [  214.444798] bone-capemgr bone_capemgr.9: slot #7: dtbo 'BB-ADC-00A0.dtbo'
> loaded; converting to live tree
>
> root@arm:~# lsmod
> Module                  Size  Used by
> g_multi                47670  0
> libcomposite           14299  1 g_multi
> arc4                    1660  2
> rtl8192cu              73560  0
> rtlwifi                63798  1 rtl8192cu
> rtl8192c_common        51523  1 rtl8192cu
> mac80211              411868  3 rtlwifi,rtl8192c_common,rtl8192cu
> cfg80211              344277  2 mac80211,rtlwifi
> rfkill                 16656  2 cfg80211
> uio_pruss               3865  0
>
> no adc module!
> but there is an entrz in the devices durectorz, so I think the module has
> been loaded correctly:

$ cat patches/defconfig  | grep CONFIG_TI_AM335X_ADC
CONFIG_TI_AM335X_ADC=y

> root@arm:/sys/bus/iio/devices/iio:device0# ls
> dev              in_voltage2_raw  in_voltage5_raw  name       uevent
> in_voltage0_raw  in_voltage3_raw  in_voltage6_raw  power
> in_voltage1_raw  in_voltage4_raw  in_voltage7_raw  subsystem
>  with no input:
> root@arm:/sys/bus/iio/devices/iio:device0# cat in_voltage0_raw
> 3760
>
> compiling test.c with time iI got the awaited result:
> ......
> 3883 3898 3914 3912 3918 3913 3913 3919 3914 3916
> real 3.826      user 0.002      sys 2.639       pcpu 69.01
>
>
> So I guess the problem lies in the program..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

-- 
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