iic接口verilog HDL代码，经过测试验证，在OV7725控制接口上验证- //i2c interface output i2c_sclk, //i2c clock inout i2c_sdat, //i2c data for bidirection //user interface input [7:0] i2c_config_size, //i2c config data counte output reg [7:0] i2c