Grey World pass simulation
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@ -32,10 +32,10 @@ module GreyWorld #(
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localparam reg [2:0] SEND_DATA = 2;
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localparam reg [2:0] SEND_DATA = 2;
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reg [8:0] cnt_flame;
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reg [8:0] cnt_flame;
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reg [31:0] red_total, green_total, blue_total, r_white_gain[3];
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reg [47:0] red_total, green_total, blue_total, r_white_gain[3];
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reg [31:0] data_cal[3], data_cache[3];
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reg [31:0] data_cal[3], data_cache[3];
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reg [31:0] cnt_pexels;
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reg [31:0] cnt_pexels;
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wire [31:0] average;
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wire [47:0] average;
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always @(posedge clk) begin
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always @(posedge clk) begin
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if (reset) state <= READ_DATA;
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if (reset) state <= READ_DATA;
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@ -63,9 +63,9 @@ module GreyWorld #(
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blue_total <= 0;
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blue_total <= 0;
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cnt_flame <= flame_rate;
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cnt_flame <= flame_rate;
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cnt_pexels <= 0;
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cnt_pexels <= 0;
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r_white_gain[0] <= white_gain[0];
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r_white_gain[0] <= {16'b0, white_gain[0] };
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r_white_gain[1] <= white_gain[1];
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r_white_gain[1] <= {16'b0, white_gain[1] };
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r_white_gain[2] <= white_gain[2];
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r_white_gain[2] <= {16'b0, white_gain[2] };
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data_cache[0] <= 0;
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data_cache[0] <= 0;
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data_cache[1] <= 0;
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data_cache[1] <= 0;
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data_cache[2] <= 0;
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data_cache[2] <= 0;
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@ -83,12 +83,12 @@ module GreyWorld #(
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data_cache[2] <= {24'b0, in_data[2]};
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data_cache[2] <= {24'b0, in_data[2]};
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if (cnt_flame == flame_rate) begin
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if (cnt_flame == flame_rate) begin
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red_total <= red_total + {24'b0, in_data[0]};
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red_total <= red_total + {40'b0, in_data[0]};
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green_total <= green_total + {24'b0, in_data[0]};
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green_total <= green_total + {40'b0, in_data[1]};
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blue_total <= blue_total + {24'b0, in_data[0]};
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blue_total <= blue_total + {40'b0, in_data[2]};
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end
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end
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if (cnt_pexels < IM_SIZE) begin
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if (cnt_pexels <= IM_SIZE) begin
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cnt_pexels <= cnt_pexels + 1;
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cnt_pexels <= cnt_pexels + 1;
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end else begin
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end else begin
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cnt_pexels <= 0;
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cnt_pexels <= 0;
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@ -100,14 +100,14 @@ module GreyWorld #(
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CALC_DATA: begin
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CALC_DATA: begin
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if (cnt_pexels >= IM_SIZE && cnt_flame == flame_rate) begin
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if (cnt_pexels >= IM_SIZE && cnt_flame == flame_rate) begin
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r_white_gain[0] <= (average * ( IM_SIZE << 8 )) / red_total;
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r_white_gain[0] <= (average * IM_SIZE) / red_total;
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r_white_gain[1] <= (average * ( IM_SIZE << 8)) / green_total;
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r_white_gain[1] <= (average * IM_SIZE) / green_total;
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r_white_gain[2] <= (average * ( IM_SIZE << 8)) / blue_total;
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r_white_gain[2] <= (average * IM_SIZE) / blue_total;
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end
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end
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data_cal[0] <= (data_cache[0] * r_white_gain[0]);
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data_cal[0] <= (data_cache[0] * r_white_gain[0][31:0]);
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data_cal[1] <= (data_cache[1] * r_white_gain[1]);
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data_cal[1] <= (data_cache[1] * r_white_gain[1][31:0]);
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data_cal[2] <= (data_cache[2] * r_white_gain[2]);
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data_cal[2] <= (data_cache[2] * r_white_gain[2][31:0]);
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end
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end
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SEND_DATA: begin
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SEND_DATA: begin
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12
Crop/Crop.sv
12
Crop/Crop.sv
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@ -1,8 +1,8 @@
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module Crop #(
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module Crop #(
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parameter reg [15:0] IN_WIDTH = 1934,
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parameter reg [15:0] IN_WIDTH = 1934,
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parameter reg [15:0] IN_HEIGHT = 1086,
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parameter reg [15:0] IN_HEIGHT = 1086,
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parameter reg [15:0] OFFSET_X = 8,
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parameter reg [15:0] OFFSET_X = 7,
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parameter reg [15:0] OFFSET_Y = 4,
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parameter reg [15:0] OFFSET_Y = 3,
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parameter reg [15:0] OUT_WIDTH = 640,
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parameter reg [15:0] OUT_WIDTH = 640,
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parameter reg [15:0] OUT_HEIGHT = 480,
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parameter reg [15:0] OUT_HEIGHT = 480,
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parameter reg [4:0] COLOR_DEPTH = 8
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parameter reg [4:0] COLOR_DEPTH = 8
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@ -79,13 +79,13 @@ module Crop #(
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end else begin
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end else begin
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cnt_x <= cnt_x + 1;
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cnt_x <= cnt_x + 1;
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end
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end
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if (cnt_y >= IN_HEIGHT - 1) begin
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cnt_y <= 0;
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end
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end
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end
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SEND_DATA: begin
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SEND_DATA: begin
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if (cnt_y >= IN_HEIGHT) begin
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cnt_y <= 0;
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end
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if (in_ready && !in_receive && is_valid) begin
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if (in_ready && !in_receive && is_valid) begin
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out_en <= 1;
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out_en <= 1;
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out_data[0] <= data[0];
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out_data[0] <= data[0];
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@ -38,7 +38,7 @@ struct color_gain {
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static const double gamma_value = 2.2;
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static const double gamma_value = 2.2;
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static const double saturation_inc = 0.5;
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static const double saturation_inc = 0.5;
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static const double white_radio = 0.1;
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// static const double white_radio = 0.1;
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using namespace sc_core;
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using namespace sc_core;
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using namespace sc_dt;
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using namespace sc_dt;
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