esp-idf/components/driver/uart/Kconfig.uart

menu "UART Configuration"

    config UART_ISR_IN_IRAM
        bool "Place UART ISR function into IRAM"
        depends on !RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH
        select VFS_SELECT_IN_RAM if VFS_SUPPORT_SELECT
        default n
        help
            If this option is not selected, UART interrupt will be disabled for a long time and
            may cause data lost when doing spi flash operation.

endmenu # UART Configuration
feat(uart): Add sdkconfig.ci.iram_safe test for UART driver 2023-08-29 00:25:05 -04:00			`menu "UART Configuration"`

			`config UART_ISR_IN_IRAM`
			`bool "Place UART ISR function into IRAM"`
			`depends on !RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH`
fix(vfs/uart): add UART VFS select callback in IRAM UART VFS select callback is placed in IRAM when CONFIG_UART_ISR_IN_IRAM is enabled 2023-07-19 06:28:39 -04:00			`select VFS_SELECT_IN_RAM if VFS_SUPPORT_SELECT`
feat(uart): Add sdkconfig.ci.iram_safe test for UART driver 2023-08-29 00:25:05 -04:00			`default n`
			`help`
			`If this option is not selected, UART interrupt will be disabled for a long time and`
			`may cause data lost when doing spi flash operation.`

			`endmenu # UART Configuration`