rt-thread/components/drivers/i2c/Kconfig

config RT_USING_I2C
    bool "Using I2C device drivers"
    default n

if RT_USING_I2C
    config RT_I2C_DEBUG
        bool "Use I2C debug message"
        default n

    config RT_USING_I2C_BITOPS
        bool "Use GPIO to simulate I2C"
        default y

    if RT_USING_I2C_BITOPS
        config RT_I2C_BITOPS_DEBUG
            bool "Use simulate I2C debug message"
            default n
    endif

    config RT_USING_SOFT_I2C
        bool "Use GPIO to soft simulate I2C"
        default n
        select RT_USING_PIN
        select RT_USING_I2C_BITOPS
    if RT_USING_SOFT_I2C
        config RT_USING_SOFT_I2C1
            bool "Enable I2C1 Bus (software simulation)"
            default y
            if RT_USING_SOFT_I2C1
                config RT_SOFT_I2C1_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 1
                config RT_SOFT_I2C1_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 2
                config RT_SOFT_I2C1_BUS_NAME
                    string "Bus name"
                    default "i2c1"
                config RT_SOFT_I2C1_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C1_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C2
            bool "Enable I2C2 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C2
                config RT_SOFT_I2C2_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 3
                config RT_SOFT_I2C2_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 4
                config RT_SOFT_I2C2_BUS_NAME
                    string "Bus name"
                    default "i2c2"
                config RT_SOFT_I2C2_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C2_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C3
            bool "Enable I2C3 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C3
                config RT_SOFT_I2C3_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 5
                config RT_SOFT_I2C3_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 6
                config RT_SOFT_I2C3_BUS_NAME
                    string "Bus name"
                    default "i2c3"
                config RT_SOFT_I2C3_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C3_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C4
            bool "Enable I2C4 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C4
                config RT_SOFT_I2C4_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 7
                config RT_SOFT_I2C4_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 8
                config RT_SOFT_I2C4_BUS_NAME
                    string "Bus name"
                    default "i2c4"
                config RT_SOFT_I2C4_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C4_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C5
            bool "Enable I2C5 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C5
                config RT_SOFT_I2C5_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 9
                config RT_SOFT_I2C5_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C5_BUS_NAME
                    string "Bus name"
                    default "i2c5"
                config RT_SOFT_I2C5_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C5_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C6
            bool "Enable I2C6 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C6
                config RT_SOFT_I2C6_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 11
                config RT_SOFT_I2C6_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 12
                config RT_SOFT_I2C6_BUS_NAME
                    string "Bus name"
                    default "i2c6"
                config RT_SOFT_I2C6_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C6_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C7
            bool "Enable I2C7 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C7
                config RT_SOFT_I2C7_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 13
                config RT_SOFT_I2C7_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 14
                config RT_SOFT_I2C7_BUS_NAME
                    string "Bus name"
                    default "i2c7"
                config RT_SOFT_I2C7_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C7_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
        config RT_USING_SOFT_I2C8
            bool "Enable I2C8 Bus (software simulation)"
            default n
            if RT_USING_SOFT_I2C8
                config RT_SOFT_I2C8_SCL_PIN
                    int "SCL pin number"
                    range 0 32767
                    default 15
                config RT_SOFT_I2C8_SDA_PIN
                    int "SDA pin number"
                    range 0 32767
                    default 16
                config RT_SOFT_I2C8_BUS_NAME
                    string "Bus name"
                    default "i2c8"
                config RT_SOFT_I2C8_TIMING_DELAY
                    int "Timing delay (us)"
                    range 0 32767
                    default 10
                config RT_SOFT_I2C8_TIMING_TIMEOUT
                    int "Timing timeout (tick)"
                    range 0 32767
                    default 10
            endif
    endif
endif