Help¶

Port 0 TX Threshold at which the TX FIFO interrupt triggers.

Direct dependencies¶

UART_SIFIVE_PORT_0 && SERIAL

(Includes any dependencies from ifs and menus.)

Default¶

1

Kconfig definition¶

At <Zephyr Driver>/serial/Kconfig.sifive:30

Included via Kconfig:8 → Kconfig.zephyr:32 → <Zephyr Driver>/Kconfig:24 → <Zephyr Driver>/serial/Kconfig:103

Menu path: (Top) → Device Drivers → Serial Drivers → SiFive Freedom serial driver → Enable SIFIVE Port 0

config UART_SIFIVE_PORT_0_TXCNT_IRQ
    int "Port 0 TX Interrupt Threshold Count"
    default 1
    depends on UART_SIFIVE_PORT_0 && SERIAL
    help
      Port 0 TX Threshold at which the TX FIFO interrupt triggers.

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