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https://github.com/marqs85/ossc
synced 2025-04-09 22:56:34 +03:00
restore original test pattern
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marqs
parent
8b35ba3339
commit
83c33c41b9
2
ossc.qsf
2
ossc.qsf
@ -219,7 +219,7 @@ set_global_assignment -name ENABLE_SIGNALTAP OFF
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set_global_assignment -name USE_SIGNALTAP_FILE output_files/ossc_new.stp
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set_global_assignment -name FITTER_EFFORT "AUTO FIT"
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set_global_assignment -name SEED 3
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set_global_assignment -name SEED 1
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17
rtl/ossc.v
17
rtl/ossc.v
@ -476,7 +476,7 @@ ir_rcv ir0 (
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.ir_code_cnt (ir_code_cnt)
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);
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lat_tester lt0 (
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/*lat_tester lt0 (
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.clk27 (clk27),
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.pclk (PCLK_sc),
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.active (lt_active),
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@ -490,21 +490,6 @@ lat_tester lt0 (
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.stb_result (lt_stb_result),
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.trig_waiting (lt_trig_waiting),
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.finished (lt_finished)
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);
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/*Ävideogen vg0 (
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.clk27 (PCLK_sc),
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.reset_n (po_reset_n & ~enable_sc),
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.lt_active (lt_active),
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.lt_mode (lt_mode_synced),
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.R_out (R_out_vg),
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.G_out (G_out_vg),
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.B_out (B_out_vg),
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.HSYNC_out (HSYNC_out_vg),
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.VSYNC_out (VSYNC_out_vg),
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.DE_out (DE_out_vg),
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.xpos (xpos_vg),
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.ypos (ypos_vg)
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);*/
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endmodule
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@ -196,6 +196,7 @@ wire [8:0] Y_sl_hybr_ref, R_sl_hybr_ref, G_sl_hybr_ref, B_sl_hybr_ref;
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reg [4:0] R_shmask_str, G_shmask_str, B_shmask_str;
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wire [8:0] R_shmask_mult, G_shmask_mult, B_shmask_mult;
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wire [7:0] R_vg, G_vg, B_vg;
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wire [7:0] R_linebuf, G_linebuf, B_linebuf;
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// Pipeline registers
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@ -358,6 +359,18 @@ linebuf_top #(
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);
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videogen vg0 (
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.pclk (PCLK_OUT_i),
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.lt_active (1'b0),
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.lt_mode (2'h0),
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.xpos (xpos_pp[PP_TP_START]),
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.ypos (ypos_pp[PP_TP_START]),
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.R_out (R_vg),
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.G_out (G_vg),
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.B_out (B_vg)
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);
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// Frame change strobe synchronization
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always @(posedge PCLK_OUT_i) begin
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frame_change_sync1_reg <= frame_change_i;
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@ -605,9 +618,9 @@ always @(posedge PCLK_OUT_i) begin
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B_pp[PP_SLGEN_END] <= (draw_sl_pp[PP_SLGEN_START+4] & sl_method) ? B_sl_mult : B_pp[PP_SLGEN_START+4];
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/* ---------- Testpattern / mask generation ---------- */
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R_pp[PP_TP_END] <= testpattern_enable ? (xpos_pp[PP_TP_START] ^ ypos_pp[PP_TP_START]) : (mask_enable_pp[PP_TP_START] ? MASK_R : R_pp[PP_TP_START]);
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G_pp[PP_TP_END] <= testpattern_enable ? (xpos_pp[PP_TP_START] ^ ypos_pp[PP_TP_START]) : (mask_enable_pp[PP_TP_START] ? MASK_G : G_pp[PP_TP_START]);
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B_pp[PP_TP_END] <= testpattern_enable ? (xpos_pp[PP_TP_START] ^ ypos_pp[PP_TP_START]) : (mask_enable_pp[PP_TP_START] ? MASK_B : B_pp[PP_TP_START]);
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R_pp[PP_TP_END] <= testpattern_enable ? R_vg : (mask_enable_pp[PP_TP_START] ? MASK_R : R_pp[PP_TP_START]);
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G_pp[PP_TP_END] <= testpattern_enable ? G_vg : (mask_enable_pp[PP_TP_START] ? MASK_G : G_pp[PP_TP_START]);
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B_pp[PP_TP_END] <= testpattern_enable ? B_vg : (mask_enable_pp[PP_TP_START] ? MASK_B : B_pp[PP_TP_START]);
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end
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// Output
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126
rtl/videogen.v
126
rtl/videogen.v
@ -1,5 +1,5 @@
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//
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// Copyright (C) 2015-2017 Markus Hiienkari <mhiienka@niksula.hut.fi>
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// Copyright (C) 2015-2023 Markus Hiienkari <mhiienka@niksula.hut.fi>
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//
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// This file is part of Open Source Scan Converter project.
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//
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@ -20,18 +20,14 @@
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`include "lat_tester_includes.v"
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module videogen (
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input clk27,
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input reset_n,
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input pclk,
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input lt_active,
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input [1:0] lt_mode,
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input [11:0] xpos,
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input [10:0] ypos,
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output reg [7:0] R_out,
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output reg [7:0] G_out,
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output reg [7:0] B_out,
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output reg HSYNC_out,
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output reg VSYNC_out,
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output reg DE_out,
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output reg [9:0] xpos,
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output reg [9:0] ypos
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output reg [7:0] B_out
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);
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//Parameters for 720x480@59.94Hz (858px x 525lines, pclk 27MHz -> 59.94Hz)
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@ -57,97 +53,33 @@ parameter V_GRAYRAMP = 10'd84;
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parameter H_BORDER = ((H_AREA-H_GRADIENT)>>1);
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parameter V_BORDER = ((V_AREA-V_GRADIENT)>>1);
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parameter X_START = H_SYNCLEN + H_BACKPORCH;
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parameter Y_START = V_SYNCLEN + V_BACKPORCH;
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//Counters
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reg [9:0] h_cnt; //max. 1024
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reg [9:0] v_cnt; //max. 1024
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//HSYNC gen (negative polarity)
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always @(posedge clk27 or negedge reset_n)
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// Pattern gen
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always @(posedge pclk)
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begin
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if (!reset_n) begin
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h_cnt <= 0;
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xpos <= 0;
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HSYNC_out <= 0;
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end else begin
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//Hsync counter
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if (h_cnt < H_TOTAL-1) begin
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h_cnt <= h_cnt + 1'b1;
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if (h_cnt >= X_START)
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xpos <= xpos + 1'b1;
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end else begin
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h_cnt <= 0;
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xpos <= 0;
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end
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//Hsync signal
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HSYNC_out <= (h_cnt < H_SYNCLEN) ? 1'b0 : 1'b1;
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end
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end
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//VSYNC gen (negative polarity)
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always @(posedge clk27 or negedge reset_n)
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begin
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if (!reset_n) begin
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v_cnt <= 0;
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ypos <= 0;
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VSYNC_out <= 0;
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end else begin
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//Vsync counter
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if (h_cnt == H_TOTAL-1) begin
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if (v_cnt < V_TOTAL-1) begin
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v_cnt <= v_cnt + 1'b1;
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if (v_cnt >= Y_START)
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ypos <= ypos + 1'b1;
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end else begin
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v_cnt <= 0;
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ypos <= 0;
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if (lt_active) begin
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case (lt_mode)
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default: begin
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{R_out, G_out, B_out} <= {3{8'h00}};
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end
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end
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//Vsync signal
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VSYNC_out <= (v_cnt < V_SYNCLEN) ? 1'b0 : 1'b1;
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end
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end
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//Data and ENABLE gen
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always @(posedge clk27 or negedge reset_n)
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begin
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if (!reset_n) begin
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R_out <= 8'h00;
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G_out <= 8'h00;
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B_out <= 8'h00;
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DE_out <= 1'b0;
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`LT_POS_TOPLEFT: begin
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{R_out, G_out, B_out} <= {3{((xpos < (H_ACTIVE/`LT_WIDTH_DIV)) && (ypos < (V_ACTIVE/`LT_HEIGHT_DIV))) ? 8'hff : 8'h00}};
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end
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`LT_POS_CENTER: begin
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{R_out, G_out, B_out} <= {3{((xpos >= ((H_ACTIVE/2)-(H_ACTIVE/(`LT_WIDTH_DIV*2)))) && (xpos < ((H_ACTIVE/2)+(H_ACTIVE/(`LT_WIDTH_DIV*2)))) && (ypos >= ((V_ACTIVE/2)-(V_ACTIVE/(`LT_HEIGHT_DIV*2)))) && (ypos < ((V_ACTIVE/2)+(V_ACTIVE/(`LT_HEIGHT_DIV*2))))) ? 8'hff : 8'h00}};
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end
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`LT_POS_BOTTOMRIGHT: begin
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{R_out, G_out, B_out} <= {3{((xpos >= (H_ACTIVE-(H_ACTIVE/`LT_WIDTH_DIV))) && (ypos >= (V_ACTIVE-(V_ACTIVE/`LT_HEIGHT_DIV)))) ? 8'hff : 8'h00}};
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end
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endcase
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end else begin
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if (lt_active) begin
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case (lt_mode)
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default: begin
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{R_out, G_out, B_out} <= {3{8'h00}};
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end
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`LT_POS_TOPLEFT: begin
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{R_out, G_out, B_out} <= {3{((xpos < (H_ACTIVE/`LT_WIDTH_DIV)) && (ypos < (V_ACTIVE/`LT_HEIGHT_DIV))) ? 8'hff : 8'h00}};
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end
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`LT_POS_CENTER: begin
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{R_out, G_out, B_out} <= {3{((xpos >= ((H_ACTIVE/2)-(H_ACTIVE/(`LT_WIDTH_DIV*2)))) && (xpos < ((H_ACTIVE/2)+(H_ACTIVE/(`LT_WIDTH_DIV*2)))) && (ypos >= ((V_ACTIVE/2)-(V_ACTIVE/(`LT_HEIGHT_DIV*2)))) && (ypos < ((V_ACTIVE/2)+(V_ACTIVE/(`LT_HEIGHT_DIV*2))))) ? 8'hff : 8'h00}};
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end
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`LT_POS_BOTTOMRIGHT: begin
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{R_out, G_out, B_out} <= {3{((xpos >= (H_ACTIVE-(H_ACTIVE/`LT_WIDTH_DIV))) && (ypos >= (V_ACTIVE-(V_ACTIVE/`LT_HEIGHT_DIV)))) ? 8'hff : 8'h00}};
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end
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endcase
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end else begin
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if ((xpos < H_OVERSCAN) || (xpos >= H_OVERSCAN+H_AREA) || (ypos < V_OVERSCAN) || (ypos >= V_OVERSCAN+V_AREA))
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{R_out, G_out, B_out} <= {3{(xpos[0] ^ ypos[0]) ? 8'hff : 8'h00}};
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else if ((xpos < H_OVERSCAN+H_BORDER) || (xpos >= H_OVERSCAN+H_AREA-H_BORDER) || (ypos < V_OVERSCAN+V_BORDER) || (ypos >= V_OVERSCAN+V_AREA-V_BORDER))
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{R_out, G_out, B_out} <= {3{8'h50}};
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else if (ypos >= V_OVERSCAN+V_BORDER+V_GRADIENT-V_GRAYRAMP)
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{R_out, G_out, B_out} <= {3{8'((((xpos - (H_OVERSCAN+H_BORDER)) >> 4) << 3) + (xpos - (H_OVERSCAN+H_BORDER) >> 6))}};
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else
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{R_out, G_out, B_out} <= {3{8'((xpos - (H_OVERSCAN+H_BORDER)) >> 1)}};
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end
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DE_out <= (h_cnt >= X_START && h_cnt < X_START + H_ACTIVE && v_cnt >= Y_START && v_cnt < Y_START + V_ACTIVE);
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if ((xpos < H_OVERSCAN) || (xpos >= H_OVERSCAN+H_AREA) || (ypos < V_OVERSCAN) || (ypos >= V_OVERSCAN+V_AREA))
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{R_out, G_out, B_out} <= {3{(xpos[0] ^ ypos[0]) ? 8'hff : 8'h00}};
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else if ((xpos < H_OVERSCAN+H_BORDER) || (xpos >= H_OVERSCAN+H_AREA-H_BORDER) || (ypos < V_OVERSCAN+V_BORDER) || (ypos >= V_OVERSCAN+V_AREA-V_BORDER))
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{R_out, G_out, B_out} <= {3{8'h50}};
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else if (ypos >= V_OVERSCAN+V_BORDER+V_GRADIENT-V_GRAYRAMP)
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{R_out, G_out, B_out} <= {3{8'((((xpos - (H_OVERSCAN+H_BORDER)) >> 4) << 3) + (xpos - (H_OVERSCAN+H_BORDER) >> 6))}};
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else
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{R_out, G_out, B_out} <= {3{8'((xpos - (H_OVERSCAN+H_BORDER)) >> 1)}};
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end
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end
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