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module circuit_arb (
input sys_clk ,
input sys_rst_n ,
input [ 7 : 0 ] slave_id ,
input [ 7 : 0 ] opcode ,
input [ 7 : 0 ] data ,
output [ 3 : 0 ] led ,
output beep ,
output [ 7 : 0 ] seg_led ,
output [ 5 : 0 ] sel_led ,
output dout
) ;
reg [ 1 : 0 ] dev_id ;
always @ ( * ) begin
case ( slave_id )
8 'b0011 _0000: dev_id = 2 'd0 ;
8 'b0011 _0001: dev_id = 2 'd1 ;
8 'b0011 _0010: dev_id = 2 'd2 ;
8 'b0011 _0011: dev_id = 2 'd3 ;
default : dev_id = 2 'd0 ;
endcase
end
led_circuit led_circuit_inst (
. sys_clk ( sys_clk ) ,
. sys_rst_n ( sys_rst_n ) ,
. opcode ( opcode [ 3 : 0 ] ) ,
. data ( data [ 3 : 0 ] ) ,
. dev_id ( dev_id ) , //工作使能，
. led ( led )
) ;
beep_circuit beep_circuit_inst (
. sys_clk ( sys_clk ) ,
. sys_rst_n ( sys_rst_n ) ,
. dev_id ( dev_id ) ,
. opcode ( opcode [ 3 : 0 ] ) ,
. data ( data [ 3 : 0 ] ) ,
. beep ( beep )
) ;
clock_circuit clock_circuit_inst (
. sys_clk ( sys_clk ) ,
. sys_rst_n ( sys_rst_n ) ,
. opcode ( opcode [ 3 : 0 ] ) ,
. data ( data [ 3 : 0 ] ) ,
. dev_id ( dev_id ) , //设备地址
. seg_led ( seg_led ) ,
. sel_led ( sel_led )
) ;
ws2812_circuit ws2812_circuit_inst (
. sys_clk ( sys_clk ) ,
. sys_rst_n ( sys_rst_n ) ,
. opcode ( opcode [ 3 : 0 ] ) ,
. data ( data [ 3 : 0 ] ) ,
. dev_id ( dev_id ) , //设备地址
. dout ( dout )
) ;
endmodule