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最近在做I2C从机相关项目,在网上搜了个从机代码,下面贴的是从机的top模块, 其中的assign myReg0_in = myReg0_out;想不清楚, reg_in和reg_out,一个是主机向从机写数据,一个是主机从从机读数据,这个assign 赋值是说两个一直相等? 求高手解答
//if the status are not what you written, modify here assign myReg0_in = myReg0_out; assign myReg1_in = myReg1_out; assign myReg2_in = myReg2_out; assign myReg3_in = myReg3_out; assign myReg4_in = myReg4_out; assign myReg5_in = myReg5_out; assign myReg6_in = myReg6_out; assign myReg7_in = myReg7_out;
i2cSlave u_i2cSlave( .clk(clk), .rst(rst), .sdaIn(sdaIn), .sdaOut(sdaOut), .scl(scl), .I2C_ADDRESS(I2C_ADDRESS), //status to be read out to I2C master. .myReg0_in(myReg0_in), .myReg1_in(myReg1_in), .myReg2_in(myReg2_in), .myReg3_in(myReg3_in), .myReg4_in(myReg4_in), .myReg5_in(myReg5_in), .myReg6_in(myReg6_in), .myReg7_in(myReg7_in),
//register setting from I2C master .myReg0_out(myReg0_out), .myReg1_out(myReg1_out), .myReg2_out(myReg2_out), .myReg3_out(myReg3_out), .myReg4_out(myReg4_out), .myReg5_out(myReg5_out), .myReg6_out(myReg6_out), .myReg7_out(myReg7_out)
);
endmodule |