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帮忙一下了。学fpga，很多东西都很迷惑，这个程序写完了，我不知道该如何处理综合后出现的警告，在网上查了一下，因为程序不同，出现同样的警告的原因不一样，希望高手指点一下！十分感谢！module shift_reg (data_read,rst,data,s_buffer,note);output reg [95:0] s_buffer; output note;input rst;input [7:0] data;input data_read;reg note;always @(posedge data_read,negedge rst)beginif (~rst)begins_buffer<=0;note<=0;endelse begins_buffer <= {s_buffer[87:0], data};note<=1;endendendmodule出现的警告： WARNING:Xst:2677 - Node <u3/s_buffer_95> of sequential type is unconnected in block <allall>.......................................................................................................................................................WARNING:Xst:2677 - Node <u3/s_buffer_4> of sequential type is unconnected in block <allall>.WARNING:Xst:2677 - Node <u3/s_buffer_3> of sequential type is unconnected in block <allall>.WARNING:Xst:2677 - Node <u3/s_buffer_2> of sequential type is unconnected in block <allall>.WARNING:Xst:2677 - Node <u3/s_buffer_1> of sequential type is unconnected in block <allall>. |
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