menu "General Drivers Configuration" menuconfig BSP_USING_UART bool "Using UART" select RT_USING_SERIAL default y if BSP_USING_UART config RT_USING_UART0 bool "Enable UART 0" default n config RT_USING_UART1 bool "Enable UART 1" default y config UART_IRQ_BASE int default 30 endif menuconfig BSP_USING_I2C bool "Using HW I2C" select RT_USING_I2C select RT_USING_I2C_BITOPS select RT_USING_PIN default n if BSP_USING_I2C config BSP_USING_I2C0 bool "Enable I2C0" default n config BSP_USING_I2C1 bool "Enable I2C1" default n config I2C_IRQ_BASE int default 32 endif endmenu