| Line 62... |
Line 62... |
sbuf_txd <= #1 `OC8051_RST_SBUF;
|
sbuf_txd <= #1 `OC8051_RST_SBUF;
|
tr_start <= #1 1'b0;
|
tr_start <= #1 1'b0;
|
end else if ((wr_addr==`OC8051_SFR_SBUF) & (wr) & !(wr_bit)) begin
|
end else if ((wr_addr==`OC8051_SFR_SBUF) & (wr) & !(wr_bit)) begin
|
sbuf_txd <= #1 data_in;
|
sbuf_txd <= #1 data_in;
|
tr_start <= #1 1'b1;
|
tr_start <= #1 1'b1;
|
end else
|
end else tr_start <= #1 1'b0;
|
tr_start <= #1 1'b0;
|
|
end
|
end
|
|
|
//
|
//
|
// transmit
|
// transmit
|
//
|
//
|
| Line 216... |
Line 215... |
if (re_count==4'd8) begin
|
if (re_count==4'd8) begin
|
receive <= #1 1'b0;
|
receive <= #1 1'b0;
|
r_int <= #1 1'b1;
|
r_int <= #1 1'b1;
|
sbuf_rxd <= #1 sbuf_rxd_tmp[8:1];
|
sbuf_rxd <= #1 sbuf_rxd_tmp[8:1];
|
end else begin
|
end else begin
|
sbuf_rxd_tmp[re_count+1] <= #1 rxd;
|
sbuf_rxd_tmp[re_count + 4'd1] <= #1 rxd;
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
end
|
end
|
re_count <= #1 re_count + 4'b1;
|
re_count <= #1 re_count + 4'd1;
|
end
|
end
|
2'b01: begin // mode 1
|
2'b01: begin // mode 1
|
if ((t1_ow) & !(t1_ow_buf))
|
if ((t1_ow) & !(t1_ow_buf))
|
begin
|
begin
|
if ((pcon[7]) | (smod_cnt_r))
|
if ((pcon[7]) | (smod_cnt_r))
|
begin
|
begin
|
sam_cnt <= #1 3'b000;
|
sam_cnt <= #1 3'b000;
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
|
|
re_count <= #1 re_count + 4'b1;
|
re_count <= #1 re_count + 4'd1;
|
smod_cnt_r <= #1 1'b0;
|
smod_cnt_r <= #1 1'b0;
|
end else smod_cnt_r <= #1 1'b1;
|
end else smod_cnt_r <= #1 1'b1;
|
end else begin
|
end else begin
|
if (sam_cnt==3'b011) begin
|
if (sam_cnt==3'b011) begin
|
if ((sample[0] % sample[1]) | (sample[0] % sample[2]))
|
if ((sample[0] % sample[1]) | (sample[0] % sample[2]))
|
sbuf_rxd_tmp[re_count] <= #1 sample[0];
|
sbuf_rxd_tmp[re_count] <= #1 sample[0];
|
else
|
else
|
sbuf_rxd_tmp[re_count] <= #1 sample[1];
|
sbuf_rxd_tmp[re_count] <= #1 sample[1];
|
if (re_count==4'h9)
|
if (re_count == 4'd9)
|
begin
|
begin
|
sbuf_rxd <= #1 sbuf_rxd_tmp[8:1];
|
sbuf_rxd <= #1 sbuf_rxd_tmp[8:1];
|
receive <= #1 1'b0;
|
receive <= #1 1'b0;
|
r_int <= #1 1'b1;
|
r_int <= #1 1'b1;
|
end else r_int <= #1 1'b0;
|
end else r_int <= #1 1'b0;
|
| Line 262... |
Line 261... |
end else begin
|
end else begin
|
sam_cnt <= #1 3'b001;
|
sam_cnt <= #1 3'b001;
|
sample[0] <= #1 rxd;
|
sample[0] <= #1 rxd;
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
end
|
end
|
re_count <= #1 re_count + 4'b1;
|
re_count <= #1 re_count + 4'd1;
|
end else begin
|
end else begin
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
|
|
if (sam_cnt==3'b011) begin
|
if (sam_cnt==3'b011) begin
|
if ((sample[0] % sample[1]) | (sample[0] % sample[2]))
|
if ((sample[0] % sample[1]) | (sample[0] % sample[2]))
|
| Line 293... |
Line 292... |
end else begin
|
end else begin
|
sam_cnt <= #1 3'b000;
|
sam_cnt <= #1 3'b000;
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
end
|
end
|
|
|
re_count <= #1 re_count + 4'b1;
|
re_count <= #1 re_count + 4'd1;
|
smod_cnt_r <= #1 1'b0;
|
smod_cnt_r <= #1 1'b0;
|
end else smod_cnt_r <= #1 1'b1;
|
end else smod_cnt_r <= #1 1'b1;
|
end else begin
|
end else begin
|
r_int <= #1 1'b0;
|
r_int <= #1 1'b0;
|
if (sam_cnt==3'b011)
|
if (sam_cnt==3'b011)
|
