| Line 48... |
Line 48... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.40 2003/07/16 15:10:17 mohor
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// Fixed according to the linter.
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//
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// Revision 1.39 2003/07/16 13:12:46 mohor
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// Revision 1.39 2003/07/16 13:12:46 mohor
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// Fixed according to the linter.
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// Fixed according to the linter.
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//
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//
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// Revision 1.38 2003/07/10 01:59:04 tadejm
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// Revision 1.38 2003/07/10 01:59:04 tadejm
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// Synchronization fixed. In some strange cases it didn't work according to
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// Synchronization fixed. In some strange cases it didn't work according to
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| Line 639... |
Line 642... |
wire bit_err_exc4;
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wire bit_err_exc4;
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wire bit_err_exc5;
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wire bit_err_exc5;
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wire error_flag_over;
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wire error_flag_over;
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wire overload_flag_over;
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wire overload_flag_over;
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wire [5:0] limited_tx_cnt_ext;
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wire [5:0] limited_tx_cnt_std;
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assign go_rx_idle = sample_point & sampled_bit & last_bit_of_inter | bus_free & (~node_bus_off);
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assign go_rx_idle = sample_point & sampled_bit & last_bit_of_inter | bus_free & (~node_bus_off);
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assign go_rx_id1 = sample_point & (~sampled_bit) & (rx_idle | last_bit_of_inter);
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assign go_rx_id1 = sample_point & (~sampled_bit) & (rx_idle | last_bit_of_inter);
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assign go_rx_rtr1 = (~bit_de_stuff) & sample_point & rx_id1 & (bit_cnt[3:0] == 4'd10);
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assign go_rx_rtr1 = (~bit_de_stuff) & sample_point & rx_id1 & (bit_cnt[3:0] == 4'd10);
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assign go_rx_ide = (~bit_de_stuff) & sample_point & rx_rtr1;
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assign go_rx_ide = (~bit_de_stuff) & sample_point & rx_rtr1;
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| Line 1663... |
Line 1668... |
else
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else
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tx_bit = basic_chain[tx_pointer];
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tx_bit = basic_chain[tx_pointer];
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end
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end
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end
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end
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assign limited_tx_cnt_ext = tx_data_0[3] ? 6'h3f : ((tx_data_0[2:0] <<3) - 1'b1);
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assign limited_tx_cnt_std = tx_data_1[3] ? 6'h3f : ((tx_data_1[2:0] <<3) - 1'b1);
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assign rst_tx_pointer = ((~bit_de_stuff_tx) & tx_point & (~rx_data) & extended_mode & r_tx_data_0[0] & tx_pointer == 6'd38 ) | // arbitration + control for extended format
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assign rst_tx_pointer = ((~bit_de_stuff_tx) & tx_point & (~rx_data) & extended_mode & r_tx_data_0[0] & tx_pointer == 6'd38 ) | // arbitration + control for extended format
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((~bit_de_stuff_tx) & tx_point & (~rx_data) & extended_mode & (~r_tx_data_0[0]) & tx_pointer == 6'd18 ) | // arbitration + control for extended format
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((~bit_de_stuff_tx) & tx_point & (~rx_data) & extended_mode & (~r_tx_data_0[0]) & tx_pointer == 6'd18 ) | // arbitration + control for extended format
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((~bit_de_stuff_tx) & tx_point & (~rx_data) & (~extended_mode) & tx_pointer == 6'd18 ) | // arbitration + control for standard format
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((~bit_de_stuff_tx) & tx_point & (~rx_data) & (~extended_mode) & tx_pointer == 6'd18 ) | // arbitration + control for standard format
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((~bit_de_stuff_tx) & tx_point & rx_data & extended_mode & tx_pointer == ((tx_data_0[3:0]<<3) - 1'b1)) | // data (overflow is OK here)
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((~bit_de_stuff_tx) & tx_point & rx_data & extended_mode & tx_pointer == limited_tx_cnt_ext) | // data (overflow is OK here)
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((~bit_de_stuff_tx) & tx_point & rx_data & (~extended_mode) & tx_pointer == ((tx_data_1[3:0]<<3) - 1'b1)) | // data (overflow is OK here)
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((~bit_de_stuff_tx) & tx_point & rx_data & (~extended_mode) & tx_pointer == limited_tx_cnt_std) | // data (overflow is OK here)
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( tx_point & rx_crc_lim ) | // crc
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( tx_point & rx_crc_lim ) | // crc
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(go_rx_idle ) | // at the end
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(go_rx_idle ) | // at the end
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(reset_mode ) |
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(reset_mode ) |
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(overload_frame ) |
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(overload_frame ) |
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(error_frame ) ;
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(error_frame ) ;
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