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module.......<br />...........<br /><br />always <br /> @ (posedge clk24) <br /> if (!reset_l ) <br /> parity <= 'b0; <br /> else if (trans_data_delay)<br /> begin<br /><br /> crc_reg <= nextCRC7_D16（data_reg ，crc_reg );<br /><br /> parity_mid <= parity_mid ^data_reg[15]^data_reg[14]^data_reg[13]^data_reg[12]^data_reg[10]^data_reg[9]^data_reg[8]^data_reg[7]^data_reg[6]^data_reg[5]^data_reg[4]^data_reg[3]^data_reg[2]^data_reg[1];<br /> end<br />..............<br />...............<br /><br /> function [6:0] nextCRC7_D16;<br /><br /> input [15:0] Data; <br /> input [6:0] CRC;<br /><br /> reg [15:0] D;<br /> reg [6:0] C;<br /> reg [6:0] NewCRC;<br /><br /> begin<br /><br /> D = Data;<br /> C = CRC;<br /><br /> NewCRC[0] = D[15] ^ D[13] ^ D[7] ^ D[6] ^ D[5] ^ D[4] ^ D[3] ^ <br /> D[1] ^ D[0] ^ C[4] ^ C[6];<br /> NewCRC[1] = D[14] ^ D[8] ^ D[7] ^ D[6] ^ D[5] ^ D[4] ^ D[2] ^ D[1] ^ <br /> C[5];<br /> NewCRC[2] = D[13] ^ D[9] ^ D[8] ^ D[4] ^ D[2] ^ D[1] ^ D[0] ^ C[0] ^ <br /> C[4];<br /> NewCRC[3] = D[14] ^ D[10] ^ D[9] ^ D[5] ^ D[3] ^ D[2] ^ D[1] ^ <br /> C[0] ^ C[1] ^ C[5];<br /> NewCRC[4] = D[15] ^ D[11] ^ D[10] ^ D[6] ^ D[4] ^ D[3] ^ D[2] ^ <br /> C[1] ^ C[2] ^ C[6];<br /> NewCRC[5] = D[15] ^ D[13] ^ D[12] ^ D[11] ^ D[6] ^ D[1] ^ D[0] ^ <br /> C[2] ^ C[3] ^ C[4] ^ C[6];<br /> NewCRC[6] = D[15] ^ D[14] ^ D[12] ^ D[6] ^ D[5] ^ D[4] ^ D[3] ^ <br /> D[2] ^ D[0] ^ C[3] ^ C[5] ^ C[6];<br /><br /> nextCRC7_D16 = NewCRC;<br /><br /> end<br /><br /> endfunction<br />endmodule<br /><br />以上是部分程序,,,<br /><br />错误提示:<br />ERROR:HDLCompilers:26 - "pcrc.v" line 71 unexpected token: 'nextCRC7_D16'<br />ERROR:HDLCompilers:26 - "pcrc.v" line 71 expecting ';', found ')'<br />ERROR: XST failed<br /><br />请问函数调用有问题吗? 还是ISE 7.1 不支持 <br /> 谢谢<br /><br /> |
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