On Sat, Oct 26, 2024 at 7:55 AM Alin Jerpelea <jerpe...@gmail.com> wrote:
> Apache NuttX 12.7.0 RC1 has been staged under [1] and it's
> time to vote on accepting it for release. Voting will be open for 72hr.

+1 FROM ME AND BIG THANK YOU FOR ALL CONTRIBUTORS!! :-)

=== BUILD HOST ===

% uname -a
FreeBSD octagon 13.3-RELEASE-p7 FreeBSD 13.3-RELEASE-p7 GENERIC amd64

=== TARGETS ==

1. SIM:LVGL.
2. ESP32.
3. ESP32C3.
4. STM32L432KC.
5. STM32F769I.
6. STM32F412ZG.
7. STM32F411RE.
8. STM32F072RB.
9. MKL25Z128.


=== SIM:LVGL ===

This is the only build I did on Linux Debian12 binaries running on
FreeBSD as Xlib.h location needs adjustment but this is not
relevant right now.. we have newest version of LVGL and now we can
announce and share NuttX for everyone asking.. several friends asked
me recently about LVGL on NuttX and it is here wow :-)

$ uname -a
Linux octagon 5.15.0 FreeBSD 13.3-RELEASE-p7 GENERIC x86_64 GNU/Linux

$ ./tools/configure.sh -l sim:lvgl_fb
#
# configuration written to .config
#
$ make
Create version.h
LN: platform/board to /XXX/nuttx-apps.git/platform/dummy
Register: lvgldemo
Register: nsh
Register: sh
CP:  /XXX/nuttx.git/include/nuttx/config.h
CP:  /XXX/nuttx.git/include/nuttx/fs/hostfs.h
LD:  nuttx
$ ./nuttx
[LVGL] [User]   (0.000, +0)      check_stack_size: tid: 4, Stack size
: 67520 lv_nuttx_entry.c:297
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file: The
framebuffer device was opened successfully lv_nuttx_fbdev.c:108
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file: VideoInfo:
lv_nuttx_fbdev.c:116
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file:       fmt:
13 lv_nuttx_fbdev.c:117
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file:      xres:
640 lv_nuttx_fbdev.c:118
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file:      yres:
480 lv_nuttx_fbdev.c:119
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file:   nplanes: 1
lv_nuttx_fbdev.c:120
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo: PlaneInfo (plane 0):
lv_nuttx_fbdev.c:319
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:     mem: 0x44e00000
lv_nuttx_fbdev.c:320
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:     fblen: 2457600
lv_nuttx_fbdev.c:321
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:    stride: 2560
lv_nuttx_fbdev.c:322
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:   display: 0
lv_nuttx_fbdev.c:323
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:       bpp: 32
lv_nuttx_fbdev.c:324
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo: PlaneInfo (plane 0):
lv_nuttx_fbdev.c:319
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:     mem: 0x44e00000
lv_nuttx_fbdev.c:320
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:     fblen: 2457600
lv_nuttx_fbdev.c:321
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:    stride: 2560
lv_nuttx_fbdev.c:322
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:   display: 0
lv_nuttx_fbdev.c:323
[LVGL] [User]   (0.000, +0)      fbdev_get_pinfo:       bpp: 32
lv_nuttx_fbdev.c:324
[LVGL] [User]   (0.000, +0)      fbdev_init_mem2: Use consecutive mem2
= 0x44f2c000, yoffset = 480 lv_nuttx_fbdev.c:370
[LVGL] [User]   (0.000, +0)      lv_nuttx_fbdev_set_file: Resolution
is set to 640x480 at 130dpi lv_nuttx_fbdev.c:174
[LVGL] [User]   (0.000, +0)      lv_nuttx_touchscreen_create:
touchscreen /dev/input0 opening lv_nuttx_touchscreen.c:68
[LVGL] [User]   (0.000, +0)      lv_nuttx_touchscreen_create:
touchscreen /dev/input0 open success lv_nuttx_touchscreen.c:75
[LVGL] [Warn]   (0.000, +0)      lv_demo_widgets:
LV_FONT_MONTSERRAT_20 is not enabled for the widgets demo. Using
LV_FONT_DEFAULT instead. lv_demo_widgets.c:143
X connection to :0.0 broken (explicit kill or server shutdown).

Works like a charm :-)



=== ESP32 ===

xtensa-esp32-elf-cc (crosstool-NG esp-2021r2-patch5) 8.4.0
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> ESP32: esp32-devkitc:nsh

+ /usr/bin/time -h ./tools/configure.sh -B esp32-devkitc:nsh
        4,28s real              1,87s user              2,74s sys
+ /usr/bin/time -h gmake -j8
        42,59s real             1m31,25s user           1m11,53s sys
+ /usr/bin/time -h gmake flash
        16,06s real             3,08s user              3,54s sys
+ cu -l /dev/cuaU0 -s 115200
*000 len 0x10d6c  (68972)
padd: lma 0x00020d74 vma 0x00000000 len 0xf2a4   (62116)
dmap: lma 0x00030020 vma 0x3f400020 len 0x284c   (10316)
total segments stored 6

NuttShell (NSH) NuttX-12.7.0
nsh>
nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 16:39:21 xtensa esp32-devkitc
nsh> free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     323552       6424     317128       6800     186680     22      3

===> ESP32: esp32-devkitc:ostest

+ /usr/bin/time -h gmake clean distclean
        14,54s real             6,33s user              8,98s sys
+ /usr/bin/time -h ./tools/configure.sh -B esp32-devkitc:ostest
        4,27s real              1,81s user              2,80s sys
+ /usr/bin/time -h gmake -j8
        44,40s real             1m35,74s user           1m12,23s sys
+ /usr/bin/time -h gmake flash
        18,84s real             3,21s user              3,76s sys
+ cu -l /dev/cuaU0 -s 115200
Connected
*000 len 0x188a0  (100512)
padd: lma 0x000288a8 vma 0x00000000 len 0x7770   (30576)
dmap: lma 0x00030020 vma 0x3f400020 len 0x9104   (37124)
total segments stored 6

NuttShell (NSH) NuttX-12.7.0
nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 16:41:30 xtensa esp32-devkitc
nsh> free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     320976       6424     314552       6800     184104     22      3
nsh> ostest
(..)
End of test memory usage:
VARIABLE  BEFORE   AFTER
======== ======== ========
arena       4e5d0    4e5d0
ordblks         7        6
mxordblk    2cf28    2cf28
uordblks     5710     5710
fordblks    48ec0    48ec0

Final memory usage:
VARIABLE  BEFORE   AFTER
======== ======== ========
arena       4e5d0    4e5d0
ordblks         3        6
mxordblk    2cf28    2cf28
uordblks     46d8     5710
fordblks    49ef8    48ec0
user_main: Exiting
ostest_main: Exiting with status 0
nsh> free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     320976       6520     314456      46112     184104     24      3

===> ESP32: esp32-devkitc:coremark

+ /usr/bin/time -h gmake clean distclean
        14,84s real             5,80s user              9,82s sys
+ /usr/bin/time -h ./tools/configure.sh -B esp32-devkitc:coremark
        4,36s real              2,00s user              2,70s sys
+ /usr/bin/time -h gmake -j8
        44,01s real             1m36,01s user           1m9,48s sys
+ /usr/bin/time -h gmake flash
        14,01s real             2,55s user              3,16s sys
+ cu -l /dev/cuaU0 -s 115200
Connected
0x400e0000 len 0xe308   (58120)
padd: lma 0x0001e310 vma 0x00000000 len 0x1d08   (7432)
dmap: lma 0x00020020 vma 0x3f400020 len 0x1534   (5428)
total segments stored 6
Running CoreMark...
2K performance run parameters for coremark.
CoreMark Size    : 666
Total ticks      : 1218
Total time (secs): 12.180000
Iterations/Sec   : 985.221675
Iterations       : 12000
Compiler version : GCC8.4.0
Compiler flags   : -O3 -fno-strict-aliasing -fomit-frame-pointer
-ffunction-sections -fdata-sections
Parallel PThreads : 2
Memory location  : HEAP
seedcrc          : 0xe9f5
[0]crclist       : 0xe714
[1]crclist       : 0xe714
[0]crcmatrix     : 0x1fd7
[1]crcmatrix     : 0x1fd7
[0]crcstate      : 0x8e3a
[1]crcstate      : 0x8e3a
[0]crcfinal      : 0xa14c
[1]crcfinal      : 0xa14c
Correct operation validated. See README.md for run and reporting rules.
CoreMark 1.0 : 985.221675 / GCC8.4.0 -O3 -fno-strict-aliasing
-fomit-frame-pointer -ffunction-sections -fdata-sections / HEAP /
2:PThreads



=== ESP32C3 ===

riscv32-esp-elf-cc (crosstool-NG esp-2021r2-patch5) 8.4.0
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> ESP32C3: esp32c3-devkit:nsh

+ /usr/bin/time -h ./tools/configure.sh -B esp32c3-devkit:nsh
    4,63s real        2,17s user        2,80s sys
+ /usr/bin/time -h gmake -j8 CROSSDEV=riscv32-esp-elf-
    38,41s real        1m19,30s user        1m7,38s sys
+ /usr/bin/time -h gmake flash CROSSDEV=riscv32-esp-elf-
    24,25s real        7,02s user        12,80s sys
+ cu -l /dev/cuaU0 -s 115200
Connected
chip revision: v0.3
I (35) boot.esp32c3: SPI Speed      : 80MHz
I (40) boot.esp32c3: SPI Mode       : DIO
I (44) boot.esp32c3: SPI Flash Size : 4MB
I (49) boot: Enabling RNG early entropy source...
I (54) boot: Partition Table:
I (58) boot: ## Label            Usage          Type ST Offset   Length
I (65) boot:  0 factory          factory app      00 00 00010000 00100000
I (73) boot: End of partition table

nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 16:11:18 risc-v esp32c3-devkit
nsh>  ?
help usage:  help [-v] [<cmd>]

    .           cp          exit        ls          rm          uname
    [           cmp         expr        mkdir       rmdir       umount
    ?           dirname     false       mkrd        set         unset
    alias       dd          fdinfo      mount       sleep       uptime
    unalias     df          free        mv          source      usleep
    basename    dmesg       help        pidof       test        xd
    break       echo        hexdump     printf      time
    cat         env         kill        ps          true
    cd          exec        pkill       pwd         truncate

Builtin Apps:
    dumpstack    nsh          sh
nsh>  free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     373820       5364     368456       5720     368456     19      1

===> ESP32C3: esp32c3-devkit:ostest

+ gmake clean distclean CROSSDEV=riscv32-esp-elf-
+ /usr/bin/time -h ./tools/configure.sh -B esp32c3-devkit:ostest
    4,70s real        2,25s user        2,78s sys
+ /usr/bin/time -h gmake -j8 CROSSDEV=riscv32-esp-elf-
    36,99s real        1m15,21s user        1m7,97s sys
+ /usr/bin/time -h gmake flash CROSSDEV=riscv32-esp-elf-
    27,26s real        6,96s user        13,59s sys
+ cu -l /dev/cuaU0 -s 115200

nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 16:13:30 risc-v esp32c3-devkit
nsh>  ?
help usage:  help [-v] [<cmd>]

    .           cp          exit        ls          rm          uname
    [           cmp         expr        mkdir       rmdir       umount
    ?           dirname     false       mkrd        set         unset
    alias       dd          fdinfo      mount       sleep       uptime
    unalias     df          free        mv          source      usleep
    basename    dmesg       help        pidof       test        xd
    break       echo        hexdump     printf      time
    cat         env         kill        ps          true
    cd          exec        pkill       pwd         truncate

Builtin Apps:
    nsh       ostest    sh

nsh>  free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     372348       5364     366984       5720     366984     19      1

nsh>  free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     372348       5364     366984       5720     366984     19      1

nsh>  ostest
(..)
End of test memory usage:
VARIABLE  BEFORE   AFTER
======== ======== ========
arena       5ae7c    5ae7c
ordblks         6        5
mxordblk    522f8    522f8
uordblks     529c     529c
fordblks    55be0    55be0

user_main: vfork() test
vfork_test: Child 63 ran successfully

Final memory usage:
VARIABLE  BEFORE   AFTER
======== ======== ========
arena       5ae7c    5ae7c
ordblks         1        4
mxordblk    56c18    522f8
uordblks     4264     69cc
fordblks    56c18    544b0
user_main: Exiting
ostest_main: Exiting with status 0

nsh>  free
                 total       used       free    maxused    maxfree  nused  nfree
      Umem:     372348       5452     366896      44840     346896     21      3

+ gmake clean distclean CROSSDEV=riscv32-esp-elf-

===> ESP32C3: esp32c3-devkit:coremark

+ /usr/bin/time -h ./tools/configure.sh -B esp32c3-devkit:coremark
    4,63s real        2,20s user        2,75s sys
+ /usr/bin/time -h gmake -j8 CROSSDEV=riscv32-esp-elf-
    36,05s real        1m12,48s user        1m4,20s sys
+ /usr/bin/time -h gmake flash CROSSDEV=riscv32-esp-elf-
    21,04s real        6,41s user        12,20s sys
+ cu -l /dev/cuaU0 -s 115200
CoreMark Size    : 666
Total ticks      : 1472
Total time (secs): 14.720000
Iterations/Sec   : 407.608696
Iterations       : 6000
Compiler version : GCC8.4.0
Compiler flags   : -O3 -fno-strict-aliasing -fomit-frame-pointer
-ffunction-sections -fdata-sections -nostdlib
Memory location  : HEAP
seedcrc          : 0xe9f5
[0]crclist       : 0xe714
[0]crcmatrix     : 0x1fd7
[0]crcstate      : 0x8e3a
[0]crcfinal      : 0xa14c
Correct operation validated. See README.md for run and reporting rules.
CoreMark 1.0 : 407.608696 / GCC8.4.0 -O3 -fno-strict-aliasing
-fomit-frame-pointer -ffunction-sections -fdata-sections -nostdlib /
HEAP



=== STM32L432KC ===

+ arm-none-eabi-gcc --version
arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> STM32L432KC: nucleo-l432kc:nsh

+ /usr/bin/time -h ./tools/configure.sh -B nucleo-l432kc:nsh
        4,42s real              1,95s user              2,84s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        39,81s real             2m45,33s user           46,96s sys
+ /usr/bin/time -h openocd -f interface/stlink.cfg -f
target/stm32l4x.cfg -c 'program nuttx.bin 0x08000000; reset run; exit'
        4,90s real              0,06s user              0,15s sys
+ cu -l /dev/cuaU0 -s 115200
Connected
nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 17:15:46 arm nucleo-l432kc
nsh> ?
help usage:  help [-v] [<cmd>]

    .           cd          exec        mkdir       set         umount
    [           cp          exit        mkrd        sleep       unset
    ?           cmp         expr        mount       source      uptime
    alias       dirname     false       mv          test        usleep
    unalias     date        help        printf      time        xd
    basename    dd          hexdump     pwd         true
    break       dmesg       kill        rm          truncate
    cat         echo        ls          rmdir       uname

Builtin Apps:
    alarm     nsh       ostest    rand      sh
nsh> free
nsh: free: command not found



=== STM32F769I ===

arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> STM32F769I: stm32f769i-disco:nsh

+ /usr/bin/time -h ./tools/configure.sh -B stm32f769i-disco:nsh
        4,89s real              2,12s user              2,84s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        44,91s real             3m14,32s user           48,12s sys
+ /usr/bin/time -h openocd -f interface/stlink.cfg -f
target/stm32f7x.cfg -c 'program nuttx.bin 0x08000000; reset run; exit'
        1,49s real              0,02s user              0,02s sys
+ cu -l /dev/cuaU0 -s 115200
Connected

nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 17:25:48 arm stm32f769i-disco
nsh> ?
help usage:  help [-v] [<cmd>]

    .           cd          exit        mkrd        sleep       unset
    [           cp          expr        mount       source      uptime
    ?           cmp         false       mv          test        usleep
    alias       dirname     help        printf      time        xd
    unalias     dd          hexdump     pwd         true
    basename    dmesg       kill        rm          truncate
    break       echo        ls          rmdir       uname
    cat         exec        mkdir       set         umount

Builtin Apps:
    nsh    sh
nsh> free
nsh: free: command not found



=== STM32F412ZG ===

arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> STM32F412ZG: nucleo-f412zg:nsh

+ /usr/bin/time -h ./tools/configure.sh -B nucleo-f412zg:nsh
        4,56s real              2,00s user              2,89s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        44,24s real             3m14,18s user           48,01s sys
+ /usr/bin/time -h openocd -f interface/stlink.cfg -f
target/stm32f4x.cfg -c 'program nuttx.bin 0x08000000; reset run; exit'
+ cu -l /dev/cuaU0 -s 115200
Connected

No response, looking at the documentation we need to bring back
console port back to ST-Link UART.. or does not work at all ;-)



=== STM32F411RE ===

arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> STM32F411RE: nucleo-f4x1re:f411-nsh

+ /usr/bin/time -h ./tools/configure.sh -B nucleo-f4x1re:f411-nsh
        4,50s real              2,03s user              2,83s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        44,22s real             3m13,37s user           47,08s sys
+ /usr/bin/time -h openocd -f interface/stlink.cfg -f
target/stm32f4x.cfg -c 'program nuttx.bin 0x08000000; reset run; exit'
        3,28s real              0,01s user              0,05s sys
+ cu -l /dev/cuaU0 -s 115200
Connected
K
nsh> uname -a1dewdwcommansh> ?    exi?

Hmm output seems broken. This is old devkit lets update ST-Link
firmware and see if that helps :-)

+ cu -l /dev/cuaU0 -s 115200
Connected

nsh> uname -a
NuttX 12.7.0 5d8cdeaea8 Oct 27 2024 18:37:34 arm nucleo-f4x1re
nsh> ?
help usage:  help [-v] [<cmd>]

    .           cd          exit        mkrd        sleep       unset
    [           cp          expr        mount       source      uptime
    ?           cmp         false       mv          test        usleep
    alias       dirname     help        printf      time        xd
    unalias     dd          hexdump     pwd         true
    basename    dmesg       kill        rm          truncate
    break       echo        ls          rmdir       uname
    cat         exec        mkdir       set         umount

Builtin Apps:
    nsh    sh
nsh> free
nsh: free: command not found

Yup old ST-Link firmware is was buggy :-)



=== STM32F072RB ===

arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> STM32F072RB: nucleo-f072rb:nsh

+ /usr/bin/time -h ./tools/configure.sh -B nucleo-f072rb:nsh
        4,50s real              2,03s user              2,81s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        33,96s real             2m19,68s user           37,82s sys
+ /usr/bin/time -h openocd -f interface/stlink.cfg -f
target/stm32f0x.cfg -c 'program nuttx.bin 0x08000000; reset run; exit'
        1,77s real              0,05s user              0,06s sys
+ cu -l /dev/cuaU0 -s 115200
Connected

This ST-Link is old and does not have UART, external converter needs
to be connected but I did not manage to make a connection on various
pins, looking at documentation this need cleanup or does not work at
all ;-)



=== MKL25Z128 ===

arm-none-eabi-gcc (GNU Arm Embedded Toolchain ) 10.3.1 20210824 (release)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

===> MKL25Z128: freedom-kl25z:nsh

+ /usr/bin/time -h ./tools/configure.sh -B freedom-kl25z:nsh
        4,59s real              2,00s user              2,90s sys
+ /usr/bin/time -h gmake -j8 -j8 CROSSDEV=arm-none-eabi-
        33,22s real             2m18,94s user           38,79s sys

This is FRDM-KL25Z board. We don't have flashing/debugging
instructions with OpenOCD for this target in our documentation. But it
uses OpenSDA debug probe so I copied nuttx.bin into the USB MSD and it
worked although very minimalistic configuration :-)

% cu -l /dev/cuaU0 -s 115200
Connected

nsh> uname -a
nsh> ?
help usage:  help [-v] [<cmd>]

    ?          cmp        exec       exit       help       hexdump    xd

Builtin Apps:
    nsh    pwm    sh
nsh> uname
nsh> ls
nsh> ls /dev


--
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info

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