Help¶

This option specifies the size of the stack used by interrupt service routines (ISRs), and during kernel initialization.

Defaults¶

640 if SOC_NRF51822_QFAA && SOC_SERIES_NRF51X && SOC_FAMILY_NRF
640 if SOC_NRF51822_QFAB && SOC_SERIES_NRF51X && SOC_FAMILY_NRF
2048

Kconfig definitions¶

At arch/arm/soc/nordic_nrf/nrf51/Kconfig.defconfig.nrf51822_QFAA:15

Included via Kconfig:10 → Kconfig.zephyr:20 → arch/arm/soc/nordic_nrf/Kconfig.defconfig:10 → arch/arm/soc/nordic_nrf/nrf51/Kconfig.defconfig.series:11

Menu path: (top menu)

config ISR_STACK_SIZE
    int
    default 640 if SOC_NRF51822_QFAA && SOC_SERIES_NRF51X && SOC_FAMILY_NRF
    depends on SOC_NRF51822_QFAA && SOC_SERIES_NRF51X && SOC_FAMILY_NRF

At arch/arm/soc/nordic_nrf/nrf51/Kconfig.defconfig.nrf51822_QFAB:15

Included via Kconfig:10 → Kconfig.zephyr:20 → arch/arm/soc/nordic_nrf/Kconfig.defconfig:10 → arch/arm/soc/nordic_nrf/nrf51/Kconfig.defconfig.series:11

Menu path: (top menu)

config ISR_STACK_SIZE
    int
    default 640 if SOC_NRF51822_QFAB && SOC_SERIES_NRF51X && SOC_FAMILY_NRF
    depends on SOC_NRF51822_QFAB && SOC_SERIES_NRF51X && SOC_FAMILY_NRF

At kernel/Kconfig:148

Included via Kconfig:10 → Kconfig.zephyr:25

Menu path: (top menu) → General Kernel Options

config ISR_STACK_SIZE
    int
    prompt "ISR and initialization stack size (in bytes)"
    default 2048
    help
      This option specifies the size of the stack used by interrupt
      service routines (ISRs), and during kernel initialization.

(Definitions include propagated dependencies, including from if’s and menus.)