Help¶

Sets RTT buffer size for sending ethernet frames. Smaller values will save the RAM, but will decrease the performance.

Direct dependencies¶

ETH_RTT && HAS_SEGGER_RTT

(Includes any dependencies from ifs and menus.)

Defaults¶

256 if SOC_NRF52810 || SOC_SERIES_NRF51X
1024 if SOC_NRF52832
3072

Kconfig definition¶

At <nRF>/drivers/net/Kconfig:47

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:9 → <BuildDir>/Kconfig/Kconfig.modules:1 → <nRF>/Kconfig.nrf:27 → <nRF>/drivers/Kconfig:11

Menu path: (Top) → Modules → Nordic nRF Connect → Device Drivers → Ethernet over RTT driver

config ETH_RTT_UP_BUFFER_SIZE
    int "RTT up buffer size"
    range 16 1048576
    default 256 if SOC_NRF52810 || SOC_SERIES_NRF51X
    default 1024 if SOC_NRF52832
    default 3072
    depends on ETH_RTT && HAS_SEGGER_RTT
    help
      Sets RTT buffer size for sending ethernet frames. Smaller values will
      save the RAM, but will decrease the performance.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)