Help¶

Sets RTT buffer size for receiving 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¶

128 if SOC_NRF52810 || SOC_SERIES_NRF51X
512 if SOC_NRF52832
3072

Kconfig definition¶

At <nRF>/drivers/net/Kconfig:57

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_DOWN_BUFFER_SIZE
    int "RTT down buffer size"
    range 16 1048576
    default 128 if SOC_NRF52810 || SOC_SERIES_NRF51X
    default 512 if SOC_NRF52832
    default 3072
    depends on ETH_RTT && HAS_SEGGER_RTT
    help
      Sets RTT buffer size for receiving ethernet frames. Smaller values
      will save the RAM, but will decrease the performance.

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