library verilog;use verilog.vl_types.all;entity SPI_to_I2C is    port(        SPI_sclk        : in     vl_logic;        SPI_cs          : in     vl_logic;        SPI_miso        : out    vl_logic;        SPI_mosi        : in     vl_logic;        I2C_sda         : inout  vl_logic;        I2C_scl         : inout  vl_logic    );end SPI_to_I2C;