v2n-xspi-flash-readwrite

Erase + write + verify on the on-module xSPI NOR flash. Reads the manufacturer / device ID, erases a 4 KiB sector, writes a 64-byte ramp pattern, reads it back, compares.

Source: examples/v2n/v2n-xspi-flash-readwrite/.

board.yaml

schema_version: 2

som:
  sku: E1M-V2N101

carrier:
  name: E1M-X-EVK

cores:
  a55_cluster:
    os: yocto
    app: ./linux
    image: alp-image-edge
    peripherals: [storage]

diagnostics:
  log_level: info

What it shows

1. Opening the xSPI NOR via <alp/storage.h>.
2. Reading manufacturer + device ID via JEDEC RDID.
3. Erasing the test sector (4 KiB at a known offset).
4. Writing a 64-byte ramp pattern.
5. Reading it back and confirming byte-for-byte.

See also

• <alp/storage.h> reference
• v2n-emmc-block-stat — eMMC variant
• Examples overview