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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 1.30 2003/06/16 13:57:58 mohor
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// tx_point generated one clk earlier. rx_i registered. Data corrected when
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// using extended mode.
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//
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// Revision 1.29 2003/06/11 14:21:35 mohor
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// Revision 1.29 2003/06/11 14:21:35 mohor
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// When switching to tx, sync stage is overjumped.
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// When switching to tx, sync stage is overjumped.
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//
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//
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// Revision 1.28 2003/03/01 22:53:33 mohor
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// Revision 1.28 2003/03/01 22:53:33 mohor
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// Actel APA ram supported.
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// Actel APA ram supported.
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Line 605... |
assign go_rx_dlc = (~bit_de_stuff) & sample_point & rx_r0;
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assign go_rx_dlc = (~bit_de_stuff) & sample_point & rx_r0;
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assign go_rx_data = (~bit_de_stuff) & sample_point & rx_dlc & (bit_cnt == 3) & (sampled_bit | (|data_len[2:0])) & (~remote_rq);
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assign go_rx_data = (~bit_de_stuff) & sample_point & rx_dlc & (bit_cnt == 3) & (sampled_bit | (|data_len[2:0])) & (~remote_rq);
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assign go_rx_crc = (~bit_de_stuff) & sample_point & (rx_dlc & (bit_cnt == 3) & ((~sampled_bit) & (~(|data_len[2:0])) | remote_rq) |
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assign go_rx_crc = (~bit_de_stuff) & sample_point & (rx_dlc & (bit_cnt == 3) & ((~sampled_bit) & (~(|data_len[2:0])) | remote_rq) |
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rx_data & (bit_cnt == ((limited_data_len<<3) - 1'b1)));
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rx_data & (bit_cnt == ((limited_data_len<<3) - 1'b1)));
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assign go_rx_crc_lim = (~bit_de_stuff) & sample_point & rx_crc & (bit_cnt == 14);
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assign go_rx_crc_lim = (~bit_de_stuff) & sample_point & rx_crc & (bit_cnt == 14);
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assign go_rx_ack = sample_point & rx_crc_lim;
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assign go_rx_ack = (~bit_de_stuff) & sample_point & rx_crc_lim;
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assign go_rx_ack_lim = sample_point & rx_ack;
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assign go_rx_ack_lim = sample_point & rx_ack;
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assign go_rx_eof = sample_point & rx_ack_lim;
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assign go_rx_eof = sample_point & rx_ack_lim;
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assign go_rx_inter = ((sample_point & rx_eof & (eof_cnt == 6)) | error_frame_ended | overload_frame_ended) & (~overload_needed);
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assign go_rx_inter = ((sample_point & rx_eof & (eof_cnt == 6)) | error_frame_ended | overload_frame_ended) & (~overload_needed);
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assign go_error_frame = (form_err | stuff_err | bit_err | ack_err | (crc_err & go_rx_eof));
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assign go_error_frame = (form_err | stuff_err | bit_err | ack_err | (crc_err & go_rx_eof));
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Line 626... |
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assign go_crc_enable = hard_sync | go_tx;
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assign go_crc_enable = hard_sync | go_tx;
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assign rst_crc_enable = go_rx_crc;
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assign rst_crc_enable = go_rx_crc;
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assign bit_de_stuff_set = go_rx_id1 & (~go_error_frame);
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assign bit_de_stuff_set = go_rx_id1 & (~go_error_frame);
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assign bit_de_stuff_reset = go_rx_crc_lim | reset_mode | go_error_frame | go_overload_frame;
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assign bit_de_stuff_reset = go_rx_ack | reset_mode | go_error_frame | go_overload_frame;
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assign remote_rq = ((~ide) & rtr1) | (ide & rtr2);
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assign remote_rq = ((~ide) & rtr1) | (ide & rtr2);
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assign limited_data_len = (data_len < 8)? data_len : 4'h8;
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assign limited_data_len = (data_len < 8)? data_len : 4'h8;
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assign ack_err = rx_ack & sample_point & sampled_bit & tx_state & (~self_test_mode);
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assign ack_err = rx_ack & sample_point & sampled_bit & tx_state & (~self_test_mode);
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