fdcavalcanti commented on issue #18469:
URL: https://github.com/apache/nuttx/issues/18469#issuecomment-3986030472
Hi @engdavidiogo the default file system for this defconfig is
`ESP32S3_SPIFLASH_SPIFFS`.
To use LittleFS you must enable support for it. Did you do it?
`Board Selection → Board common logic → Mount SPI Flash MTD on bring-up`
Here is the output on master, which works fine with the default SPIFFS:
```
nsh> echo "Hi there" > /data/hello.txt
nsh> cat /data/hello.txt
Hi there
nsh>
nsh> mount
/data type spiffs
/proc type procfs
nsh> ls /
/:
data/
dev/
proc/
var/
nsh> ps
TID PID PPID CPU PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACK COMMAND
0 0 0 0 0 FIFO Kthread - Assigned
0000000000000000 0003040 CPU0 IDLE
1 0 0 1 0 FIFO Kthread - Running
0000000000000000 0003032 CPU1 IDLE
2 0 0 --- 100 RR Kthread - Waiting Semaphore
0000000000000000 0001968 lpwork 0x3fca7020 0x3fca706c
3 3 0 0 100 RR Task - Running
0000000000000000 0003000 nsh_main
4 0 0 --- 255 RR Kthread - Waiting Semaphore
0000000000000000 0000688 spiflash_op 0x3fcadb5c
5 0 0 --- 255 RR Kthread - Waiting Semaphore
0000000000000000 0000688 spiflash_op 0x3fcadb5c
6 0 0 --- 223 RR Kthread - Waiting Semaphore
0000000000000000 0001984 rt_timer
7 0 0 --- 253 RR Kthread - Waiting MQ empty
0000000000000000 0006600 wifi
8 0 0 --- 100 RR Kthread - Waiting Semaphore
0000000000000000 0001968 netdev-wlan0 0x3fcb8028 0
nsh>
```
Output using littlefs:
```
nsh> mount
/data type littlefs
/proc type procfs
nsh> echo "Hello littlefs" > /data/hello.txt
nsh> cat /data/hello.txt
Hello littlefs
nsh>
nsh> ps
TID PID PPID CPU PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACK COMMAND
0 0 0 0 0 FIFO Kthread - Assigned
0000000000000000 0003040 CPU0 IDLE
1 0 0 1 0 FIFO Kthread - Running
0000000000000000 0003032 CPU1 IDLE
2 0 0 --- 100 RR Kthread - Waiting Semaphore
0000000000000000 0001968 lpwork 0x3fca7130 0x3fca717c
3 3 0 0 100 RR Task - Running
0000000000000000 0003000 nsh_main
4 0 0 --- 255 RR Kthread - Waiting Semaphore
0000000000000000 0000688 spiflash_op 0x3fcadd9c
5 0 0 --- 255 RR Kthread - Waiting Semaphore
0000000000000000 0000688 spiflash_op 0x3fcadd9c
6 0 0 --- 223 RR Kthread - Waiting Semaphore
0000000000000000 0001984 rt_timer
7 0 0 --- 253 RR Kthread - Waiting MQ empty
0000000000000000 0006600 wifi
8 0 0 --- 100 RR Kthread - Waiting Semaphore
0000000000000000 0001968 netdev-wlan0 0x3fcb7c48 0
nsh>
```
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