There should be something wrong on our config!
I tested here (using esp32-devkitc:psram) and it worked like a charm!
nsh> ?
help usage: help [-v] [<cmd>]
. cp exit mkfatfs rmdir umount
[ cmp false mkrd set unset
? dirname fdinfo mount sleep uptime
alias dd free mv source usleep
unalias df help pidof test xd
basename dmesg hexdump printf time
break echo kill ps true
cat env ls pwd truncate
cd exec mkdir rm uname
Builtin Apps:
mm nsh sh
nsh> free
total used free largest nused nfree
esp32-imem: 98304 4504 93800 93800 4 1
Umem: 4415120 6912 4408208 4194288 48 4
nsh> mkrd 2048
nsh> free
total used free largest nused nfree
esp32-imem: 98304 4504 93800 93800 4 1
Umem: 4415120 1055552 3359568 3145704 51 4
nsh> ls /dev
/dev:
console
null
ram0
ttyS0
urandom
zero
nsh> mkfatfs /dev/ram0
nsh> mount -t vfat /dev/ram0 /mnt
nsh> df
Block Number
Size Blocks Used Available Mounted on
1024 1004 2 1002 /mnt
0 0 0 0 /proc
nsh> dd if=/dev/urandom of=/mnt/random.bin bs=1024 count=512
nsh> ls -l /mnt
/mnt:
-rw-rw-rw- 524288 random.bin
nsh> uname -a
NuttX 12.3.0 ef1ad691c3-dirty Oct 26 2023 14:43:56 xtensa esp32-devkitc
Please let me know what was your mistake, it could help to improve NuttX.
BR,
Alan
On 10/26/23, Simona Toaca <[email protected]> wrote:
> Yes, ESP32_PSRAM_8M is enabled.
>
> Regards,
> Simona
>
> În joi, 26 oct. 2023 la 16:55, Alan C. Assis <[email protected]> a scris:
>
>> Hi Simona,
>>
>> On 10/26/23, Simona Toaca <[email protected]> wrote:
>> > Hello,
>> >
>> > I want to make sure that I understood this correctly, you're saying
>> > that
>> > the I2S audio saved to an SDCard (via SPI) on Lyra T is working ok?
>> >
>>
>> I think that is true. Maybe Lucas can confirm if he was saving in the
>> SDCard.
>>
>> > Also, I tried creating a ramdisk of 1mb+ for testing, but I did not
>> > find
>> a
>> > way do to so.
>> > For example,
>> > mkrd 1024 lends the error: mkrd: boardctl(BOARDIOC_MKRD) failed: 1
>> > but
>> > mkrd -s 1024 128 or mkrd 64 work fine
>> >
>> > The max I succeeded in allocating is 128kb.
>> >
>>
>> Hmm, did you enable PSRAM to get more available RAM?
>>
>> BR,
>>
>> Alan
>>
>
