acassis opened a new pull request #3126: URL: https://github.com/apache/incubator-nuttx/pull/3126
## Summary
risc-v/esp32-c3: Add support to SPI Flash
## Impact
Only ESP32-C3
## Testing
ESP32-Devikit
Erase the entire flash:
```
$ sudo esptool.py --chip esp32-c3 --port /dev/ttyUSB0 --baud 921600
erase_flash
```
Flash to bootloader, the partition table and the NuttX:
```
$ make download ESPTOOL_PORT=/dev/ttyUSB0 ESPTOOL_BAUD=115200
ESPTOOL_BINDIR=../esp-bins
```
Restart the board and execute:
```
NuttShell (NSH) NuttX-10.0.1
nsh> ls /dev
/dev:
console
null
smart0
ttyS0
zero
nsh> mksmartfs /dev/smart0
nsh> mount -t smartfs /dev/smart0 /mnt
nsh> cd /mnt
nsh> ls
/mnt:
nsh> echo "Say hello to SmartFS" > test.txt
nsh> ls
/mnt:
test.txt
nsh> cat test.txt
Say hello to SmartFS
nsh>
```
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