module ges_recognize(
    input   wire        sys_clk    ,
    input   wire        sys_rst_n  ,
    
    output  wire        scl        ,
    inout   wire        sda        ,
    output  wire [3: 0] led        ,
    output  wire        tx 
);
wire [2: 0]     step        ;
wire [5: 0]     cfg_num     ;
wire [15: 0]    cfg_data    ;
wire            cfg_start   ;
wire            i2c_clk     ;
wire            i2c_start   ;
wire [7: 0]     po_data     ;
wire            tx_vld      ;
reg             send_flag   ;
wire            rx_vld      ;

assign rx_vld == po_data != 8'h00;
paj7620_cfg paj7620_cfg_inst(
.i2c_clk        (i2c_clk    ),
.sys_rst_n      (sys_rst_n  ),
.cfg_start      (cfg_start  ),
.step           (step       ),

.cfg_num        (cfg_num    ),
.cfg_data       (cfg_data   ),
.i2c_start      (i2c_start  )
);
i2c_ctrl    i2c_ctrl_inst(
.sys_clk        (sys_clk    ),
.sys_rst_n      (sys_rst_n  ),
.i2c_start      (i2c_start  ),
.cfg_num        (cfg_num    ),
.cfg_data       (cfg_data   ),

.cfg_start      (cfg_start  ),
.step           (step       ),
.i2c_clk        (i2c_clk    ),
.scl            (scl        ),
.sda            (sda        ),
.po_data        (po_data    )

);
uart_tx     uart_tx_inst(
.sys_clk        (sys_clk),
.sys_rst_n      (sys_rst_n),
.tx_din         (po_data),//并行输入，接受模块传入
.rx_vld         (rx_vld),//接受模块，串转并有效信号


.tx_vld         (tx_vld),
.tx_dout        (tx)//串行输出
);
led_ctrl    led_ctrl_inst(
.sys_clk        (sys_clk    ),
.sys_rst_n      (sys_rst_n  ),
.po_data        (po_data    ),
          
.led            (led        )
);
endmodule