Kconfig

menu "Hardware Drivers Config"

config SOC_STM32L476RG
    bool
    select SOC_SERIES_STM32L4
    default y

menu "Onboard Peripheral Drivers"

    config BSP_USING_STLINK_TO_USART
        bool "Enable STLINK TO USART (uart2)"
        select BSP_USING_UART
        select BSP_USING_UART2
        default y

endmenu

menu "On-chip Peripheral Drivers"

    config BSP_USING_GPIO
        bool "Enable GPIO"
        select RT_USING_PIN
        default y

    menuconfig BSP_USING_UART
        bool "Enable UART"
        default y
        select RT_USING_SERIAL
        if BSP_USING_UART
            config BSP_USING_UART2
                bool "Enable UART2"
                default n   
            config BSP_UART2_RX_USING_DMA
                bool "Enable UART2 RX DMA"
                depends on BSP_USING_UART2 && RT_SERIAL_USING_DMA
                default n
        endif
        
    menuconfig BSP_USING_I2C1
        bool "Enable I2C1 BUS (software simulation)"
        default n
        select RT_USING_I2C
        select RT_USING_I2C_BITOPS
        select RT_USING_PIN
        if BSP_USING_I2C1
            config BSP_I2C1_SCL_PIN
                int "i2c1 scl pin number"
                range 1 176
                default 22
            config BSP_I2C1_SDA_PIN
                int "I2C1 sda pin number"
                range 1 176
                default 23
        endif

    menuconfig BSP_USING_I2C2
        bool "Enable I2C2 BUS (software simulation)"
        default n
        select RT_USING_I2C
        select RT_USING_I2C_BITOPS
        select RT_USING_PIN
        if BSP_USING_I2C2
            config BSP_I2C2_SCL_PIN
                int "i2c2 scl pin number"
                range 1 176
                default 26
            config BSP_I2C2_SDA_PIN
                int "I2C2 sda pin number"
                range 1 176
                default 27
        endif

    menuconfig BSP_USING_I2C3
        bool "Enable I2C3 BUS (software simulation)"
        default n
        select RT_USING_I2CS
        select RT_USING_I2C_BITOPS
        select RT_USING_PIN
        if BSP_USING_I2C3
            config BSP_I2C3_SCL_PIN
                int "i2c3 scl pin number"
                range 1 176
                default 32
            config BSP_I2C3_SDA_PIN
                int "I2C3 sda pin number"
                range 1 176
                default 33
        endif
        
    config BSP_USING_ONCHIP_RTC
        bool "Enable RTC"
        select RT_USING_RTC
        select RT_USING_LIBC
        default n
        
endmenu

menu "Board extended module Drivers"

endmenu

endmenu