finish Grey World White Balance
This commit is contained in:
		@@ -34,7 +34,7 @@ module ColorBlender #(
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  reg [2:0] state, nextState;
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  reg [BUFF_SIZE - 1:0] data_cal[3];  // 用于保存运算结果,防止溢出
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) begin
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      state <= READ_DATA;
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    end else begin
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@@ -55,7 +55,7 @@ module ColorBlender #(
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  assign out_ready   = (!in_en && state == READ_DATA) ? 1 : 0;
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  assign out_receive = (in_en && state == READ_DATA) ? 1 : 0;
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) begin
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      // 初始化
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      data_cal[0] <= 0;
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@@ -25,7 +25,7 @@ module GammaCorrection2 #(
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  reg [7:0] data_cache[3];
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) state <= READ_DATA;
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    else state <= nextState;
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  end
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@@ -41,7 +41,7 @@ module GammaCorrection2 #(
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  assign out_ready   = (!in_en && state == READ_DATA) ? 1 : 0;
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  assign out_receive = (in_en && state == READ_DATA) ? 1 : 0;
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) begin
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      out_en <= 0;
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      out_data[0] <= 0;
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		||||
							
								
								
									
										134
									
								
								Color/GreyWorld.sv
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										134
									
								
								Color/GreyWorld.sv
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,134 @@
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`timescale 1ns / 1ps
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// 三通道图像合成一个RGB图像
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module GreyWorld #(
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    parameter reg [4:0] COLOR_DEPTH = 8,
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    parameter reg [31:0] IM_SIZE = 1920 * 1080
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) (
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    input wire clk,
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    input wire reset,
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    input wire in_en,
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    input wire [7:0] in_data[3],  // 0:R 1:G 2:B
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    output wire out_ready,
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    output wire out_receive,
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    // 输出相关
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    input wire in_ready,
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    input wire in_receive,
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    output reg out_en,
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    output reg [COLOR_DEPTH - 1:0] out_data[3],
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    // Gain: red = 0.803881, green = 0.885894, blue = 1.594308
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    input wire enable,
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    input wire [8:0] flame_rate,
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    input wire [31:0] white_gain[3]
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);
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  reg [2:0] state, nextState;
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  localparam reg [2:0] READ_DATA = 0;
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  localparam reg [2:0] CALC_DATA = 1;
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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 [31:0] 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] cnt_pexels;
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  wire [31:0] average;
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  always @(posedge clk) begin
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    if (reset) state <= READ_DATA;
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    else state <= nextState;
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  end
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  always @(*) begin
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    case (state)
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      READ_DATA: nextState = in_en ? CALC_DATA : READ_DATA;
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      CALC_DATA: nextState = SEND_DATA;
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      SEND_DATA: nextState = in_receive ? READ_DATA : SEND_DATA;
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      default:   nextState = READ_DATA;
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    endcase
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  end
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  assign out_ready = (!in_en && !reset) ? 1 : 0;
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  assign out_receive = (in_en && !reset) ? 1 : 0;
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  assign average = ((red_total + green_total + blue_total) << 8) / (3 * IM_SIZE);
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  always @(posedge clk) begin
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    if (reset) begin
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      red_total <= 0;
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      green_total <= 0;
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      blue_total <= 0;
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      cnt_flame <= flame_rate;
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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[1] <= white_gain[1];
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      r_white_gain[2] <= white_gain[2];
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      data_cache[0] <= 0;
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      data_cache[1] <= 0;
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      data_cache[2] <= 0;
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      out_en <= 0;
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      out_data[0] <= 0;
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      out_data[1] <= 0;
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      out_data[2] <= 0;
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    end else begin
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      case (state)
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        READ_DATA: begin
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          if (in_en) begin
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            data_cache[0] <= {24'b0, in_data[0]};
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            data_cache[1] <= {24'b0, in_data[1]};
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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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              red_total   <= red_total + {24'b0, in_data[0]};
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              green_total <= green_total + {24'b0, in_data[0]};
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              blue_total  <= blue_total + {24'b0, in_data[0]};
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            end
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            if (cnt_pexels < IM_SIZE) begin
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              cnt_pexels <= cnt_pexels + 1;
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            end else begin
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              cnt_pexels <= 0;
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              if (cnt_flame < flame_rate) cnt_flame <= cnt_flame + 1;
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              else cnt_flame <= 0;
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            end
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          end
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        end
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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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            r_white_gain[0] <= (average * ( IM_SIZE << 8 )) / red_total;
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            r_white_gain[1] <= (average * ( IM_SIZE << 8)) / green_total;
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            r_white_gain[2] <= (average * ( IM_SIZE << 8)) / blue_total;
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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[1] <= (data_cache[1] * r_white_gain[1]);
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          data_cal[2] <= (data_cache[2] * r_white_gain[2]);
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        end
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        SEND_DATA: begin
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          if (in_ready) begin
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            out_en <= 1;
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            if (enable) begin
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              out_data[0] <= (|data_cal[0][31:16]) ? 255 : (data_cal[0] > 0 ? data_cal[0][15:8] : 0);
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              out_data[1] <= (|data_cal[1][31:16]) ? 255 : (data_cal[1] > 0 ? data_cal[1][15:8] : 0);
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              out_data[2] <= (|data_cal[2][31:16]) ? 255 : (data_cal[2] > 0 ? data_cal[2][15:8] : 0);
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            end else begin
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              out_data[0] <= data_cache[0][7:0];
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              out_data[1] <= data_cache[1][7:0];
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              out_data[2] <= data_cache[2][7:0];
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            end
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          end else out_en <= 0;
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        end
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        default: ;
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      endcase
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    end
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  end
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endmodule
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@@ -27,7 +27,7 @@ module SaturationCorrection #(
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  reg signed [31:0] data_cal[3], data_cache[3];
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  wire signed [31:0] max, min, delta, value, light, saturation, alpha;
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) state <= READ_DATA;
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    else state <= nextState;
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  end
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@@ -60,7 +60,7 @@ module SaturationCorrection #(
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                    ? (65536 / saturation) - 256 : (65536 / (256 - saturation_inc)) - 256)
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                    : (saturation_inc);
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  always @(posedge clk or posedge reset) begin
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  always @(posedge clk) begin
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    if (reset) begin
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      out_en <= 0;
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      out_data[0] <= 0;
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@@ -101,9 +101,9 @@ module SaturationCorrection #(
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          if (in_ready) begin
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            out_en <= 1;
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            if (enable && delta != 0) begin
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              out_data[0] <= (data_cal[0] <= 65535) ? (data_cal[0] > 0 ? data_cal[0][15:8] : 0) : 255;
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              out_data[1] <= (data_cal[1] <= 65535) ? (data_cal[1] > 1 ? data_cal[1][15:8] : 1) : 255;
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              out_data[2] <= (data_cal[2] <= 65535) ? (data_cal[2] > 2 ? data_cal[2][15:8] : 2) : 255;
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              out_data[0] <= (|data_cal[0][31:16]) ? 255 : (data_cal[0] > 0 ? data_cal[0][15:8] : 0);
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              out_data[1] <= (|data_cal[1][31:16]) ? 255 : (data_cal[1] > 0 ? data_cal[1][15:8] : 0);
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              out_data[2] <= (|data_cal[2][31:16]) ? 255 : (data_cal[2] > 0 ? data_cal[2][15:8] : 0);
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            end else begin
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              out_data[0] <= data_cache[0][7:0];
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              out_data[1] <= data_cache[1][7:0];
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@@ -2,9 +2,11 @@
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// 三通道图像合成一个RGB图像
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module WhiteBalance #(
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    parameter reg [4:0] IN_DEPTH  = 12,  // 输入图像的色深
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    parameter reg [4:0] OUT_DEPTH = 8,   // 输出图像的色深
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    parameter reg [8:0] BUFF_SIZE = 32
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    parameter reg [4:0] IN_DEPTH = 12,  // 输入图像的色深
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    parameter reg [4:0] OUT_DEPTH = 8,  // 输出图像的色深
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    parameter reg [8:0] BUFF_SIZE = 32,
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    parameter reg [31:0] RAM_BEGIN_ADDR = 0,
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    parameter reg [31:0] IM_SIZE = 1920 * 1080
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) (
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    input wire clk,
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    input wire reset,
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@@ -17,22 +19,116 @@ module WhiteBalance #(
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    // 输出相关
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    input wire in_ready,
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    input wire in_receive,
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    output reg out_en,
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    output reg [OUT_DEPTH - 1:0] out_data[3],
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    output wire out_en,
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    output wire [OUT_DEPTH - 1:0] out_data[3],
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    input wire enable,
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    input wire [8:0] flame_rate
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    input wire [8:0] flame_rate,
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    input wire [31:0] white_gain[3]
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);
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  assign out_ready = (!reset) ? 1 : 0;
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  assign out_receive = (in_en && !reset) ? 1 : 0;
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  wire ram_read_en, ram_write_en, ram_read_ready, ram_write_ready;
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  wire [31:0] ram_read_data, ram_read_addr, ram_write_data, ram_write_addr;
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  reg [8:0] cnt_flame;
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  reg [31:0] cnt_in_pic, cnt_out_pic, cnt_pixels;
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  reg [31:0] red_total, green_total, blue_total;
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  reg [31:0] r_white_gain[3];
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  wire is_finish_cal;
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  always @(*) begin
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    if (cnt_in_pic >= IM_SIZE) is_finish_cal = 1;
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    else if (cnt_out_pic >= IM_SIZE) is_finish_cal = 0;
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    else is_finish_cal = is_finish_cal;
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  end
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  assign ram_read_addr = cnt_out_pic;
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  assign ram_write_addr = cnt_in_pic;
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  assign cnt_pixels = (is_finish_cal)
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                      ? IM_SIZE - cnt_out_pic + cnt_in_pic
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                      : cnt_in_pic - cnt_out_pic;
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  assign out_ready = (!in_en && !reset && cnt_pixels < IM_SIZE) ? 1 : 0;
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  assign out_receive = (in_en && !reset && cnt_in_pic < IM_SIZE) ? 1 : 0;
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  DiffWidthSyncFIFO #(
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      .DATA_WIDTH (8),
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      .DATA_DEPTH (12),
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      .READ_DEPTH (4),
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      .WRITE_DEPTH(3)
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  ) in_fifo (
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      .clk(clk),
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      .reset(reset),
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      .read_ready(ram_write_ready),
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      .read_en(ram_write_en),
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      .read_data(ram_write_data),
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      .write_ready(in_ready),
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      .write_en(in_en),
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      .write_data(in_data)
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  );
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  )
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  DiffWidthSyncFIFO #(
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      .DATA_WIDTH (8),
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      .DATA_DEPTH (12),
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      .READ_DEPTH (3),
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      .WRITE_DEPTH(4)
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  ) out_fifo (
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      .clk(clk),
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      .reset(reset),
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      .read_ready(out_ready),
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      .read_en(out_en),
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      .read_data(out_data),
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      .write_ready(ram_read_ready),
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      .write_en(ram_read_en),
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      .write_data(ram_read_data)
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  );
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  SDRAM inst_RAM (
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      .clk(clk),
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      .read_en(ram_read_en),
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      .read_addr(ram_read_addr),
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      .read_data(ram_read_data),
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      .read_ready(ram_read_ready),
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      .write_en(ram_write_en),
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      .write_addr(ram_write_addr),
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      .write_data(ram_write_data),
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      .write_ready(ram_write_ready)
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  );
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  // calculate white gain
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  always @(posedge clk) begin
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    if(reset) begin
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    if (reset) begin
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      red_total <= 0;
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      green_total <= 0;
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      blue_total <= 0;
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      cnt_flame <= 0;
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      cnt_in_pic <= 0;
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      r_white_gain[0] <= white_gain[0];
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      r_white_gain[1] <= white_gain[1];
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      r_white_gain[2] <= white_gain[2];
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    end else begin
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      if (in_en && cnt_pixels < IM_SIZE) begin
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        red_total   <= red_total + in_data[0];
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        green_total <= green_total + in_data[1];
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        blue_total  <= blue_total + in_data[2];
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        if (cnt_in_pic < IM_SIZE) cnt_in_pic <= cnt_in_pic + 1;
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        else cnt_in_pic <= 0;
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      end else begin
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      end
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    end
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  end
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  // calculate out data
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  always @(posedge clk) begin
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    if (reset) begin
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      cnt_out_pic <= 0;
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    end else begin
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      if (out_ready && is_finish_cal) begin
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        out_en <= 1;
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      end else begin
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        out_en <= 0;
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      end
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    end
 | 
			
		||||
  end
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -13,12 +13,12 @@ module Crop #(
 | 
			
		||||
    input wire in_en,
 | 
			
		||||
    output wire out_ready,
 | 
			
		||||
    output wire out_receive,
 | 
			
		||||
    input wire [3 * COLOR_DEPTH - 1:0] in_data,
 | 
			
		||||
    input wire [COLOR_DEPTH - 1:0] in_data[3],
 | 
			
		||||
 | 
			
		||||
    input wire in_ready,
 | 
			
		||||
    input wire in_receive,
 | 
			
		||||
    output reg out_en,
 | 
			
		||||
    output reg [3 * COLOR_DEPTH - 1:0] out_data
 | 
			
		||||
    output reg [COLOR_DEPTH - 1:0] out_data[3]
 | 
			
		||||
);
 | 
			
		||||
  reg [1:0] state, nextState;
 | 
			
		||||
  localparam reg [1:0] READ_DATA = 0;
 | 
			
		||||
@@ -26,11 +26,11 @@ module Crop #(
 | 
			
		||||
  localparam reg [1:0] SEND_DATA = 2;
 | 
			
		||||
 | 
			
		||||
  reg [15:0] cnt_x, cnt_y;
 | 
			
		||||
  reg [3 * COLOR_DEPTH - 1:0] data;
 | 
			
		||||
  reg [COLOR_DEPTH - 1:0] data[3];
 | 
			
		||||
  wire is_valid;
 | 
			
		||||
 | 
			
		||||
  // 状态切换
 | 
			
		||||
  always @(posedge clk or posedge reset) begin
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (reset) state <= READ_DATA;
 | 
			
		||||
    else state <= nextState;
 | 
			
		||||
  end
 | 
			
		||||
@@ -50,19 +50,25 @@ module Crop #(
 | 
			
		||||
  assign is_valid = ((OFFSET_Y <= cnt_y && cnt_y <= (OFFSET_Y + OUT_HEIGHT - 1)) &&
 | 
			
		||||
                    (OFFSET_X <= cnt_x && cnt_x <= (OFFSET_X + OUT_WIDTH))) ? 1 : 0;
 | 
			
		||||
 | 
			
		||||
  always @(posedge clk or posedge reset) begin
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (reset) begin
 | 
			
		||||
      cnt_x <= 0;
 | 
			
		||||
      cnt_y <= 0;
 | 
			
		||||
      data  <= 0;
 | 
			
		||||
      data[0] <= 0;
 | 
			
		||||
      data[1] <= 0;
 | 
			
		||||
      data[2] <= 0;
 | 
			
		||||
 | 
			
		||||
      out_en <= 0;
 | 
			
		||||
      out_data <= 0;
 | 
			
		||||
      out_data[0] <= 0;
 | 
			
		||||
      out_data[1] <= 0;
 | 
			
		||||
      out_data[2] <= 0;
 | 
			
		||||
    end else begin
 | 
			
		||||
      case (state)
 | 
			
		||||
        READ_DATA: begin
 | 
			
		||||
          if (in_en) begin
 | 
			
		||||
            data <= in_data;
 | 
			
		||||
            data[0] <= in_data[0];
 | 
			
		||||
            data[1] <= in_data[1];
 | 
			
		||||
            data[2] <= in_data[2];
 | 
			
		||||
          end
 | 
			
		||||
        end
 | 
			
		||||
 | 
			
		||||
@@ -82,7 +88,9 @@ module Crop #(
 | 
			
		||||
        SEND_DATA: begin
 | 
			
		||||
          if (in_ready && !in_receive && is_valid) begin
 | 
			
		||||
            out_en   <= 1;
 | 
			
		||||
            out_data <= data;
 | 
			
		||||
            out_data[0] <= data[0];
 | 
			
		||||
            out_data[1] <= data[1];
 | 
			
		||||
            out_data[2] <= data[2];
 | 
			
		||||
          end else out_en <= 0;
 | 
			
		||||
        end
 | 
			
		||||
 | 
			
		||||
@@ -41,7 +41,7 @@ module Demosaic2 #(
 | 
			
		||||
 | 
			
		||||
  // 三段状态机实现,窗口滑动,颜色计算
 | 
			
		||||
  // 状态切换
 | 
			
		||||
  always @(posedge clk or posedge reset) begin
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (reset) state <= READ_DATA;
 | 
			
		||||
    else state <= nextState;
 | 
			
		||||
  end
 | 
			
		||||
@@ -64,7 +64,7 @@ module Demosaic2 #(
 | 
			
		||||
  assign out_receive = (in_en && state == READ_DATA) ? 1 : 0;
 | 
			
		||||
 | 
			
		||||
  // 各状态执行的操作
 | 
			
		||||
  always @(posedge clk or posedge reset) begin
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (reset) begin
 | 
			
		||||
      // 外部输出初始化
 | 
			
		||||
      out_en <= 0;
 | 
			
		||||
 
 | 
			
		||||
							
								
								
									
										29
									
								
								RAM/SDRAM.v
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										29
									
								
								RAM/SDRAM.v
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,29 @@
 | 
			
		||||
module SDRAM (
 | 
			
		||||
    input wire clk,
 | 
			
		||||
 | 
			
		||||
    input wire read_en,
 | 
			
		||||
    input wire [31:0] read_addr,
 | 
			
		||||
    output wire [31:0] read_data,
 | 
			
		||||
    output wire read_ready,
 | 
			
		||||
 | 
			
		||||
    input wire write_en,
 | 
			
		||||
    input wire [31:0] write_addr,
 | 
			
		||||
    input reg [31:0] write_data,
 | 
			
		||||
    output wire write_ready
 | 
			
		||||
);
 | 
			
		||||
  reg [31:0] ram[1920*1080];
 | 
			
		||||
 | 
			
		||||
  assign read_ready = (!read_en) ? 1 : 0;
 | 
			
		||||
  assign write_ready = (!write_en) ? 1 : 0;
 | 
			
		||||
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (read_en)
 | 
			
		||||
      ram[read_addr] <= read_data;
 | 
			
		||||
  end
 | 
			
		||||
 | 
			
		||||
  always @(posedge clk) begin
 | 
			
		||||
    if (write_en)
 | 
			
		||||
      write_data <= ram[write_addr];
 | 
			
		||||
  end
 | 
			
		||||
 | 
			
		||||
endmodule
 | 
			
		||||
							
								
								
									
										154
									
								
								isp.sv
									
									
									
									
									
								
							
							
						
						
									
										154
									
								
								isp.sv
									
									
									
									
									
								
							@@ -32,36 +32,44 @@ module isp #(
 | 
			
		||||
 | 
			
		||||
    // Gamma矫正,低八位为小数位
 | 
			
		||||
    // input wire [7:0] gamma_inverse,
 | 
			
		||||
    input wire [7:0] gamma_table [256],
 | 
			
		||||
    input wire [7:0] gamma_table[256],
 | 
			
		||||
    input wire gamma_enable,
 | 
			
		||||
 | 
			
		||||
    // 白平衡
 | 
			
		||||
    input wire [31:0] white_gain[3],
 | 
			
		||||
    input wire [8:0] flame_rate,
 | 
			
		||||
    input wire white_enable,
 | 
			
		||||
 | 
			
		||||
    // 饱和度校正
 | 
			
		||||
    input wire signed [31:0] saturation_inc,
 | 
			
		||||
    input wire saturation_enable                // -256~256
 | 
			
		||||
    input wire               saturation_enable  // -256~256
 | 
			
		||||
);
 | 
			
		||||
  localparam reg [15:0] BAYER_WIDTH = IN_WIDTH - 2;
 | 
			
		||||
  localparam reg [15:0] BAYER_HEIGHT = IN_HEIGHT - 2;
 | 
			
		||||
  // 三通道合成RGB图像
 | 
			
		||||
 | 
			
		||||
  wire [COLOR_DEPTH - 1:0] w_out_data[3];
 | 
			
		||||
  assign out_data = {w_out_data[2], w_out_data[1], w_out_data[0]};
 | 
			
		||||
 | 
			
		||||
  // 颜色校正,并改变色深
 | 
			
		||||
  wire blender_en, blender_ready, blender_receive;
 | 
			
		||||
  wire [15:0] blender_r, blender_g, blender_b;
 | 
			
		||||
 | 
			
		||||
  // 裁切图像
 | 
			
		||||
  wire crop_en, crop_ready, crop_receive;  // scaler 请求数据
 | 
			
		||||
  reg [COLOR_DEPTH - 1:0] crop_data[3];
 | 
			
		||||
 | 
			
		||||
  // Gamma矫正
 | 
			
		||||
  wire gamma_en, gamma_ready, gamma_receive;
 | 
			
		||||
  wire [COLOR_DEPTH - 1 : 0] gamma_data[3];
 | 
			
		||||
 | 
			
		||||
  // 白平衡
 | 
			
		||||
  wire white_en, white_ready, white_receive;
 | 
			
		||||
  wire [COLOR_DEPTH - 1 : 0] white_data[3];
 | 
			
		||||
 | 
			
		||||
  // 饱和度校正
 | 
			
		||||
  wire saturation_en, saturation_ready, saturation_receive;
 | 
			
		||||
  wire [COLOR_DEPTH - 1 : 0] saturation_data[3];
 | 
			
		||||
 | 
			
		||||
  // 任意比例缩放图像
 | 
			
		||||
  wire crop_en, crop_ready, crop_receive;  // scaler 请求数据
 | 
			
		||||
  reg [COLOR_DEPTH - 1:0] crop_data[3];
 | 
			
		||||
 | 
			
		||||
  // 写入RAM
 | 
			
		||||
  // wire RAM_in_en;
 | 
			
		||||
  // wire RAM_in_que;        // RAM 请求数据
 | 
			
		||||
  // wire [3 * COLOR_DEPTH - 1:0] RAM_in_data;
 | 
			
		||||
 | 
			
		||||
  assign out_clk = clk;
 | 
			
		||||
 | 
			
		||||
  Demosaic2 #(
 | 
			
		||||
@@ -86,7 +94,7 @@ module isp #(
 | 
			
		||||
 | 
			
		||||
  ColorBlender #(
 | 
			
		||||
      .IN_DEPTH (12),
 | 
			
		||||
      .OUT_DEPTH(8)
 | 
			
		||||
      .OUT_DEPTH(COLOR_DEPTH)
 | 
			
		||||
  ) inst_blender (
 | 
			
		||||
      .clk  (clk),
 | 
			
		||||
      .reset(reset),
 | 
			
		||||
@@ -96,10 +104,10 @@ module isp #(
 | 
			
		||||
      .out_ready(blender_ready),
 | 
			
		||||
      .out_receive(blender_receive),
 | 
			
		||||
 | 
			
		||||
      .in_ready(gamma_ready),
 | 
			
		||||
      .in_receive(gamma_receive),
 | 
			
		||||
      .out_en(gamma_en),
 | 
			
		||||
      .out_data(gamma_data),
 | 
			
		||||
      .in_ready(crop_ready),
 | 
			
		||||
      .in_receive(crop_receive),
 | 
			
		||||
      .out_en(crop_en),
 | 
			
		||||
      .out_data(crop_data),
 | 
			
		||||
 | 
			
		||||
      .gain_red(gain_red),
 | 
			
		||||
      .gain_green(gain_green),
 | 
			
		||||
@@ -107,26 +115,26 @@ module isp #(
 | 
			
		||||
      .enable(blender_enable)
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  // 计算型Gamma校正
 | 
			
		||||
  //   GammaCorrection #(
 | 
			
		||||
  //     .COLOR_DEPTH(COLOR_DEPTH)
 | 
			
		||||
  //   ) inst_gamma (
 | 
			
		||||
  //     .clk (clk),
 | 
			
		||||
  //     .reset(reset),
 | 
			
		||||
  Crop #(
 | 
			
		||||
      .IN_WIDTH(BAYER_WIDTH),
 | 
			
		||||
      .IN_HEIGHT(BAYER_HEIGHT),
 | 
			
		||||
      .OUT_WIDTH(OUT_WIDTH),
 | 
			
		||||
      .OUT_HEIGHT(OUT_HEIGHT),
 | 
			
		||||
      .COLOR_DEPTH(COLOR_DEPTH)
 | 
			
		||||
  ) inst_crop (
 | 
			
		||||
      .clk  (clk),
 | 
			
		||||
      .reset(reset),
 | 
			
		||||
 | 
			
		||||
  //     .in_en(gamma_en),
 | 
			
		||||
  //     .in_data(gamma_data),
 | 
			
		||||
  //     .out_ready(gamma_ready),
 | 
			
		||||
  //     .out_receive(gamma_receive),
 | 
			
		||||
      .in_en(crop_en),
 | 
			
		||||
      .out_ready(crop_ready),
 | 
			
		||||
      .out_receive(crop_receive),
 | 
			
		||||
      .in_data({crop_data[2], crop_data[1], crop_data[0]}),
 | 
			
		||||
 | 
			
		||||
  //     .in_ready(crop_ready),
 | 
			
		||||
  //     .in_receive(crop_receive),
 | 
			
		||||
  //     .out_en(crop_en),
 | 
			
		||||
  //     .out_data(crop_data),
 | 
			
		||||
 | 
			
		||||
  //     .gamma_inverse(gamma_inverse),
 | 
			
		||||
  //     .enable(gamma_enable)
 | 
			
		||||
  //   );
 | 
			
		||||
      .out_en(gamma_en),
 | 
			
		||||
      .in_ready(gamma_ready),
 | 
			
		||||
      .in_receive(gamma_receive),
 | 
			
		||||
      .out_data({gamma_data[2], gamma_data[1], gamma_data[0]})
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  // 查找表型Gamma校正
 | 
			
		||||
  GammaCorrection2 #(
 | 
			
		||||
@@ -150,57 +158,47 @@ module isp #(
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  SaturationCorrection #(
 | 
			
		||||
    .COLOR_DEPTH(COLOR_DEPTH)
 | 
			
		||||
  ) inst_saturation (
 | 
			
		||||
    .clk (clk),
 | 
			
		||||
    .reset (reset),
 | 
			
		||||
 | 
			
		||||
    .in_en(saturation_en),
 | 
			
		||||
    .out_ready(saturation_ready),
 | 
			
		||||
    .out_receive(saturation_receive),
 | 
			
		||||
    .in_data(saturation_data),
 | 
			
		||||
 | 
			
		||||
    .in_ready(crop_ready),
 | 
			
		||||
    .in_receive(crop_receive),
 | 
			
		||||
    .out_en(crop_en),
 | 
			
		||||
    .out_data(crop_data),
 | 
			
		||||
 | 
			
		||||
    .saturation_inc(saturation_inc),
 | 
			
		||||
    .enable(saturation_enable)
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  Crop #(
 | 
			
		||||
      .IN_WIDTH(BAYER_WIDTH),
 | 
			
		||||
      .IN_HEIGHT(BAYER_HEIGHT),
 | 
			
		||||
      .OUT_WIDTH(OUT_WIDTH),
 | 
			
		||||
      .OUT_HEIGHT(OUT_HEIGHT),
 | 
			
		||||
      .COLOR_DEPTH(COLOR_DEPTH)
 | 
			
		||||
  ) inst_crop (
 | 
			
		||||
  ) inst_saturation (
 | 
			
		||||
      .clk  (clk),
 | 
			
		||||
      .reset(reset),
 | 
			
		||||
 | 
			
		||||
      .in_en(crop_en),
 | 
			
		||||
      .out_ready(crop_ready),
 | 
			
		||||
      .out_receive(crop_receive),
 | 
			
		||||
      .in_data({crop_data[2], crop_data[1], crop_data[0]}),
 | 
			
		||||
      .in_en(saturation_en),
 | 
			
		||||
      .out_ready(saturation_ready),
 | 
			
		||||
      .out_receive(saturation_receive),
 | 
			
		||||
      .in_data(saturation_data),
 | 
			
		||||
 | 
			
		||||
      .out_en(out_en),
 | 
			
		||||
      .in_ready(in_ready),
 | 
			
		||||
      .in_receive(in_receive),
 | 
			
		||||
      .out_data(out_data)
 | 
			
		||||
      .in_ready(white_ready),
 | 
			
		||||
      .in_receive(white_receive),
 | 
			
		||||
      .out_en(white_en),
 | 
			
		||||
      .out_data(white_data),
 | 
			
		||||
 | 
			
		||||
      .saturation_inc(saturation_inc),
 | 
			
		||||
      .enable(saturation_enable)
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  // RGB_to_RAM write_to_RAM (
 | 
			
		||||
  //     .clk(clk),
 | 
			
		||||
  //     .reset(reset),
 | 
			
		||||
  GreyWorld #(
 | 
			
		||||
      .COLOR_DEPTH(COLOR_DEPTH),
 | 
			
		||||
      .IM_SIZE({16'b0, OUT_WIDTH} * {16'b0, OUT_HEIGHT})
 | 
			
		||||
  ) inst_whitebalance (
 | 
			
		||||
      .clk  (clk),
 | 
			
		||||
      .reset(reset),
 | 
			
		||||
 | 
			
		||||
      .in_en(white_en),
 | 
			
		||||
      .in_data(white_data),
 | 
			
		||||
      .out_ready(white_ready),
 | 
			
		||||
      .out_receive(white_receive),
 | 
			
		||||
 | 
			
		||||
      .in_ready(in_ready),
 | 
			
		||||
      .in_receive(in_receive),
 | 
			
		||||
      .out_en(out_en),
 | 
			
		||||
      .out_data(w_out_data),
 | 
			
		||||
 | 
			
		||||
      .enable(white_enable),
 | 
			
		||||
      .flame_rate(flame_rate),
 | 
			
		||||
      .white_gain(white_gain)
 | 
			
		||||
  );
 | 
			
		||||
 | 
			
		||||
  //     .in_en(RAM_in_en),
 | 
			
		||||
  //     .in_que(RAM_in_que),
 | 
			
		||||
  //     .in_data(RAM_in_data),
 | 
			
		||||
 | 
			
		||||
  //     .write_que(out_que),
 | 
			
		||||
  //     .write_en(out_en),
 | 
			
		||||
  //     .data_write(out_data)
 | 
			
		||||
  // );
 | 
			
		||||
 | 
			
		||||
endmodule
 | 
			
		||||
 
 | 
			
		||||
							
								
								
									
										12
									
								
								sim/Makefile
									
									
									
									
									
								
							
							
						
						
									
										12
									
								
								sim/Makefile
									
									
									
									
									
								
							@@ -32,6 +32,9 @@ VERILATOR_COVERAGE = $(VERILATOR_ROOT)/bin/verilator_coverage
 | 
			
		||||
endif
 | 
			
		||||
 | 
			
		||||
VERILATOR_FLAGS =
 | 
			
		||||
# Specify top module
 | 
			
		||||
TOP_MODULE = isp
 | 
			
		||||
VERILATOR_FLAGS += --top-module $(TOP_MODULE)
 | 
			
		||||
# Generate SystemC in executable form
 | 
			
		||||
VERILATOR_FLAGS += -sc --exe
 | 
			
		||||
# Generate makefile dependencies (not shown as complicates the Makefile)
 | 
			
		||||
@@ -52,12 +55,11 @@ VERILATOR_FLAGS += --threads 14
 | 
			
		||||
#VERILATOR_FLAGS += --debug
 | 
			
		||||
# Add this trace to get a backtrace in gdb
 | 
			
		||||
#VERILATOR_FLAGS += --gdbbt
 | 
			
		||||
# Specify top module
 | 
			
		||||
TOP_MODULE = isp
 | 
			
		||||
VERILATOR_FLAGS += -top $(TOP_MODULE)
 | 
			
		||||
# Input files for Verilator
 | 
			
		||||
VERILATOR_INPUT = ../isp.sv *.cpp ../Demosaic/Demosaic2.sv ../Crop/*.sv ../Color/*.sv ../RAM/*.sv
 | 
			
		||||
 | 
			
		||||
# Input files for Verilator
 | 
			
		||||
SOURCES := $(wildcard ../isp.sv *.cpp ../Demosaic/Demosaic2.sv ../Crop/*.sv ../Color/*.sv)
 | 
			
		||||
EXCLUDES := $(wildcard ../Color/WhiteBalance.sv ../Color/GammaCorrection.sv)
 | 
			
		||||
VERILATOR_INPUT := $(filter-out $(EXCLUDES), $(SOURCES))
 | 
			
		||||
# Check if SC exists via a verilator call (empty if not)
 | 
			
		||||
SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
							
								
								
									
										272
									
								
								sim/sc_main.cpp
									
									
									
									
									
								
							
							
						
						
									
										272
									
								
								sim/sc_main.cpp
									
									
									
									
									
								
							@@ -23,10 +23,11 @@
 | 
			
		||||
 | 
			
		||||
static const uint16_t IN_WIDTH = 1936;
 | 
			
		||||
static const uint16_t IN_HEIGHT = 1088;
 | 
			
		||||
#define IN_SIZE (IN_WIDTH * IN_HEIGHT)
 | 
			
		||||
static const uint32_t IN_SIZE = (IN_WIDTH * IN_HEIGHT);
 | 
			
		||||
static const uint16_t OUT_WIDTH = 1920;
 | 
			
		||||
static const uint16_t OUT_HEIGHT = 1080;
 | 
			
		||||
#define OUT_SIZE (OUT_WIDTH * OUT_HEIGHT)
 | 
			
		||||
static const uint32_t OUT_SIZE = (OUT_WIDTH * OUT_HEIGHT);
 | 
			
		||||
static const uint32_t FLAMES = 2;
 | 
			
		||||
 | 
			
		||||
// color gain for correcting color
 | 
			
		||||
struct color_gain {
 | 
			
		||||
@@ -42,6 +43,8 @@ static const double white_radio = 0.1;
 | 
			
		||||
using namespace sc_core;
 | 
			
		||||
using namespace sc_dt;
 | 
			
		||||
 | 
			
		||||
bool picProcess(uint32_t* image, uint16_t number);
 | 
			
		||||
 | 
			
		||||
SC_MODULE(TB_ISP) {
 | 
			
		||||
    sc_in_clk clk;
 | 
			
		||||
    sc_in<bool> reset;
 | 
			
		||||
@@ -69,9 +72,10 @@ SC_MODULE(TB_ISP) {
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    void send_Data(void) {
 | 
			
		||||
        uint16_t pos_x = 0, pos_y = 0;
 | 
			
		||||
        uint16_t pos_x = 0, pos_y = 0, cnt_flame = 0;
 | 
			
		||||
        bool is_finish = false;
 | 
			
		||||
        while (true) {
 | 
			
		||||
            if (in_ready.read() && pos_y < IN_HEIGHT - 2) {
 | 
			
		||||
            if (in_ready.read() && !is_finish) {
 | 
			
		||||
                out_en.write(1);
 | 
			
		||||
 | 
			
		||||
                printf("x=%4d, y=%4d, data=0x%04x\t", pos_x, pos_y,
 | 
			
		||||
@@ -85,13 +89,18 @@ SC_MODULE(TB_ISP) {
 | 
			
		||||
                out_data[1].write(image[(pos_y + 1) * IN_WIDTH + pos_x]);
 | 
			
		||||
                out_data[2].write(image[(pos_y + 2) * IN_WIDTH + pos_x]);
 | 
			
		||||
 | 
			
		||||
                // wait(1);
 | 
			
		||||
                // out_en.write(0);
 | 
			
		||||
 | 
			
		||||
                if (++pos_x >= IN_WIDTH) {
 | 
			
		||||
                pos_x++;
 | 
			
		||||
                if (pos_x >= IN_WIDTH) {
 | 
			
		||||
                    pos_x = 0;
 | 
			
		||||
                    pos_y++;
 | 
			
		||||
                }
 | 
			
		||||
                if (pos_y >= IN_HEIGHT - 2) {
 | 
			
		||||
                    pos_y = 0;
 | 
			
		||||
                    cnt_flame++;
 | 
			
		||||
                }
 | 
			
		||||
                if (cnt_flame >= FLAMES) {
 | 
			
		||||
                    is_finish = true;
 | 
			
		||||
                }
 | 
			
		||||
            } else {
 | 
			
		||||
                out_en.write(0);
 | 
			
		||||
            }
 | 
			
		||||
@@ -102,11 +111,11 @@ SC_MODULE(TB_ISP) {
 | 
			
		||||
 | 
			
		||||
    void read_Data(void) {
 | 
			
		||||
        is_done.write(0);
 | 
			
		||||
        uint16_t pos_x = 0, pos_y = 0;
 | 
			
		||||
        uint32_t last_data = 0;
 | 
			
		||||
        uint32_t cnt = 0;
 | 
			
		||||
        uint16_t pos_x = 0, pos_y = 0, cnt_flame = 0;
 | 
			
		||||
        uint32_t last_data = 0, cnt = 0;
 | 
			
		||||
        bool is_finish = false;
 | 
			
		||||
        while (true) {
 | 
			
		||||
            if (im_en.read()) {
 | 
			
		||||
            if (im_en.read() && !is_finish) {
 | 
			
		||||
                out_ready.write(false);
 | 
			
		||||
                out_receceive.write(true);
 | 
			
		||||
 | 
			
		||||
@@ -116,13 +125,21 @@ SC_MODULE(TB_ISP) {
 | 
			
		||||
                    pos_x = 0;
 | 
			
		||||
                    pos_y++;
 | 
			
		||||
                }
 | 
			
		||||
                if (pos_y >= OUT_HEIGHT) {
 | 
			
		||||
                    pos_y = 0;
 | 
			
		||||
                    picProcess(out.get(), cnt_flame);
 | 
			
		||||
                    cnt_flame++;
 | 
			
		||||
                }
 | 
			
		||||
                if (cnt_flame >= FLAMES) {
 | 
			
		||||
                    is_finish = true;
 | 
			
		||||
                }
 | 
			
		||||
            } else {
 | 
			
		||||
                out_ready.write(true);
 | 
			
		||||
                out_receceive.write(false);
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // when data didn't change some time, it end
 | 
			
		||||
            if (last_data == im_data.read()) {
 | 
			
		||||
            if (last_data == im_data.read() && is_finish) {
 | 
			
		||||
                cnt++;
 | 
			
		||||
                if (cnt >= 100000L) {
 | 
			
		||||
                    is_done.write(1);
 | 
			
		||||
@@ -138,13 +155,111 @@ SC_MODULE(TB_ISP) {
 | 
			
		||||
    }
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
bool picProcess(uint32_t* image, uint16_t number) {
 | 
			
		||||
    uint8_t* data =
 | 
			
		||||
        new uint8_t[OUT_WIDTH * OUT_HEIGHT * 3];  // RGB24格式像素数据
 | 
			
		||||
 | 
			
		||||
    // software algorthms analyze
 | 
			
		||||
    uint32_t red_total = 0, green_total = 0, blue_total = 0;
 | 
			
		||||
    uint8_t red_max = 0, green_max = 0, blue_max = 0;
 | 
			
		||||
    for (int32_t y = 0; y < OUT_HEIGHT; ++y) {
 | 
			
		||||
        for (int32_t x = 0; x < OUT_WIDTH; ++x) {
 | 
			
		||||
            int32_t index = (y * OUT_WIDTH + x) * 3;
 | 
			
		||||
 | 
			
		||||
            uint8_t red = (image[y * OUT_WIDTH + x] & 0x00ff0000) >> 16;
 | 
			
		||||
            uint8_t green = (image[y * OUT_WIDTH + x] & 0x0000ff00) >> 8;
 | 
			
		||||
            uint8_t blue = (image[y * OUT_WIDTH + x] & 0x000000ff);
 | 
			
		||||
 | 
			
		||||
            // Adjust gamma line
 | 
			
		||||
            // red = 255 * std::pow(red / 255.0, 1 / gamma_value);
 | 
			
		||||
            // green = 255 * std::pow(green / 255.0, 1 / gamma_value);
 | 
			
		||||
            // blue = 255 * std::pow(blue / 255.0, 1 / gamma_value);
 | 
			
		||||
 | 
			
		||||
            // Calculate white balance data
 | 
			
		||||
            // red_max = std::max(red_max, red);
 | 
			
		||||
            // green_max = std::max(green_max, green);
 | 
			
		||||
            // blue_max = std::max(blue_max, blue);
 | 
			
		||||
            // red_total += red;
 | 
			
		||||
            // green_total += green;
 | 
			
		||||
            // blue_total += blue;
 | 
			
		||||
 | 
			
		||||
            // Adjust vibrance
 | 
			
		||||
            // uint8_t max = std::max({red, green, blue});
 | 
			
		||||
            // uint8_t min = std::min({red, green, blue});
 | 
			
		||||
            // double delta = (max - min) / 255.0;
 | 
			
		||||
            // double value = (max + min) / 255.0;
 | 
			
		||||
            // if (delta != 0) {
 | 
			
		||||
            //     double L = value / 2.0;
 | 
			
		||||
            //     // double S = (L <= 0.5) ? delta / value : delta / (2 -
 | 
			
		||||
            //     value); double S = delta / max; double alpha = 0.0; if
 | 
			
		||||
            //     (saturation_inc >= 0) {
 | 
			
		||||
            //         if ((saturation_inc + S) >= 1)
 | 
			
		||||
            //             alpha = S;
 | 
			
		||||
            //         else
 | 
			
		||||
            //             alpha = 1 - saturation_inc;
 | 
			
		||||
            //         alpha = 1 / alpha - 1;
 | 
			
		||||
            //         red = static_cast<uchar>(red + (red - L * 255) * alpha);
 | 
			
		||||
            //         green =
 | 
			
		||||
            //             static_cast<uchar>(green + (green - L * 255) *
 | 
			
		||||
            //             alpha);
 | 
			
		||||
            //         blue = static_cast<uchar>(blue + (blue - L * 255) *
 | 
			
		||||
            //         alpha);
 | 
			
		||||
            //     } else {
 | 
			
		||||
            //         alpha = saturation_inc;
 | 
			
		||||
            //         red = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                  (red - L * 255) * (1 + alpha));
 | 
			
		||||
            //         green = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                    (green - L * 255) * (1 +
 | 
			
		||||
            //                                    alpha));
 | 
			
		||||
            // blue = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                   (blue - L * 255) * (1 +
 | 
			
		||||
            //                                   alpha));
 | 
			
		||||
            //     }
 | 
			
		||||
            // }
 | 
			
		||||
 | 
			
		||||
            // save data
 | 
			
		||||
            data[index + 0] = red;    // R
 | 
			
		||||
            data[index + 1] = green;  // G
 | 
			
		||||
            data[index + 2] = blue;   // B
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    // Adjust White Balance : Grey World Color Correction
 | 
			
		||||
    // double K = static_cast<double>(red_total + green_total + blue_total) /
 | 
			
		||||
    //            (3 * OUT_SIZE);
 | 
			
		||||
    // white_gain.red = static_cast<double>(K * OUT_SIZE) / red_total;
 | 
			
		||||
    // white_gain.green = static_cast<double>(K * OUT_SIZE) / green_total;
 | 
			
		||||
    // white_gain.blue = static_cast<double>(K * OUT_SIZE) / blue_total;
 | 
			
		||||
    // printf("Gain: red = %f, green = %f, blue = %f", white_gain.red,
 | 
			
		||||
    //        white_gain.green, white_gain.blue);
 | 
			
		||||
    // for (int32_t y = 0; y < OUT_HEIGHT; ++y) {
 | 
			
		||||
    //     for (int32_t x = 0; x < OUT_WIDTH; ++x) {
 | 
			
		||||
    //         int32_t index = (y * OUT_WIDTH + x) * 3;
 | 
			
		||||
 | 
			
		||||
    //         data[index + 0] =
 | 
			
		||||
    //             static_cast<uint8_t>(white_gain.red * data[index + 0]);
 | 
			
		||||
    //         data[index + 1] =
 | 
			
		||||
    //             static_cast<uint8_t>(white_gain.green * data[index + 1]);
 | 
			
		||||
    //         data[index + 2] =
 | 
			
		||||
    //             static_cast<uint8_t>(white_gain.blue * data[index + 2]);
 | 
			
		||||
    //     }
 | 
			
		||||
    // }
 | 
			
		||||
 | 
			
		||||
    // save to bmp
 | 
			
		||||
    std::cout << "Ready to save raw RGB image" << std::endl;
 | 
			
		||||
    char file_name[64] = {0};
 | 
			
		||||
    snprintf(file_name, sizeof(file_name), "pic_%d.bmp", number);
 | 
			
		||||
    write_bmp(file_name, data, OUT_WIDTH, OUT_HEIGHT);
 | 
			
		||||
    delete[] data;
 | 
			
		||||
 | 
			
		||||
    return true;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int sc_main(int argc, char* argv[]) {
 | 
			
		||||
    std::cout << "Get into sc_main" << std::endl;
 | 
			
		||||
    // Open image
 | 
			
		||||
    std::ifstream in_image;
 | 
			
		||||
    std::ofstream out_image;
 | 
			
		||||
    in_image.open("./transform/test.bin", std::ios::in | std::ios::binary);
 | 
			
		||||
    // out_image.open("./transform/out.bin", std::ios::out | std::ios::binary);
 | 
			
		||||
    if (!in_image.is_open()) {
 | 
			
		||||
        std::cout << "Open image fail" << std::endl;
 | 
			
		||||
        exit(0);
 | 
			
		||||
@@ -218,6 +333,10 @@ int sc_main(int argc, char* argv[]) {
 | 
			
		||||
    sc_signal<uint32_t> gamma_inverse;
 | 
			
		||||
    sc_signal<uint32_t> gamma_table[256];
 | 
			
		||||
 | 
			
		||||
    sc_signal<uint32_t> white_gain[3];
 | 
			
		||||
    sc_signal<uint32_t> flame_rate;
 | 
			
		||||
    sc_signal<bool> white_enable;
 | 
			
		||||
 | 
			
		||||
    sc_signal<bool> saturation_enable;
 | 
			
		||||
    sc_signal<uint32_t> saturation_increase;
 | 
			
		||||
 | 
			
		||||
@@ -250,6 +369,12 @@ int sc_main(int argc, char* argv[]) {
 | 
			
		||||
    isp->gamma_enable(gamma_enable);
 | 
			
		||||
    // isp->gamma_inverse(gamma_inverse);
 | 
			
		||||
 | 
			
		||||
    isp->white_enable(white_enable);
 | 
			
		||||
    isp->flame_rate(flame_rate);
 | 
			
		||||
    isp->white_gain[0](white_gain[0]);
 | 
			
		||||
    isp->white_gain[1](white_gain[1]);
 | 
			
		||||
    isp->white_gain[2](white_gain[2]);
 | 
			
		||||
 | 
			
		||||
    isp->saturation_enable(saturation_enable);
 | 
			
		||||
    isp->saturation_inc(saturation_increase);
 | 
			
		||||
 | 
			
		||||
@@ -266,6 +391,12 @@ int sc_main(int argc, char* argv[]) {
 | 
			
		||||
        gamma_table[i] = (uint32_t)(255 * pow(i / 255.0, 1.0 / gamma_value));
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    white_enable = true;
 | 
			
		||||
    flame_rate = 0;
 | 
			
		||||
    white_gain[0] = 255;
 | 
			
		||||
    white_gain[1] = 255;
 | 
			
		||||
    white_gain[2] = 255;
 | 
			
		||||
 | 
			
		||||
    saturation_enable = true;
 | 
			
		||||
    saturation_increase =
 | 
			
		||||
        (int32_t)((saturation_inc >= 0) ? (saturation_inc * std::pow(2, 8))
 | 
			
		||||
@@ -333,117 +464,6 @@ int sc_main(int argc, char* argv[]) {
 | 
			
		||||
        tfp = nullptr;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    uint8_t* data =
 | 
			
		||||
        new uint8_t[OUT_WIDTH * OUT_HEIGHT * 3];  // RGB24格式像素数据
 | 
			
		||||
 | 
			
		||||
    // software algorthms analyze
 | 
			
		||||
    uint32_t red_total = 0, green_total = 0, blue_total = 0;
 | 
			
		||||
    uint8_t red_max = 0, green_max = 0, blue_max = 0;
 | 
			
		||||
    for (int32_t y = 0; y < OUT_HEIGHT; ++y) {
 | 
			
		||||
        for (int32_t x = 0; x < OUT_WIDTH; ++x) {
 | 
			
		||||
            int32_t index = (y * OUT_WIDTH + x) * 3;
 | 
			
		||||
 | 
			
		||||
            uint8_t red = (tb_isp.out[y * OUT_WIDTH + x] & 0x00ff0000) >> 16;
 | 
			
		||||
            uint8_t green = (tb_isp.out[y * OUT_WIDTH + x] & 0x0000ff00) >> 8;
 | 
			
		||||
            uint8_t blue = (tb_isp.out[y * OUT_WIDTH + x] & 0x000000ff);
 | 
			
		||||
 | 
			
		||||
            // Adjust gamma line
 | 
			
		||||
            // red = 255 * std::pow(red / 255.0, 1 / gamma_value);
 | 
			
		||||
            // green = 255 * std::pow(green / 255.0, 1 / gamma_value);
 | 
			
		||||
            // blue = 255 * std::pow(blue / 255.0, 1 / gamma_value);
 | 
			
		||||
 | 
			
		||||
            // Calculate white balance data
 | 
			
		||||
            red_max = std::max(red_max, red);
 | 
			
		||||
            green_max = std::max(green_max, green);
 | 
			
		||||
            blue_max = std::max(blue_max, blue);
 | 
			
		||||
            red_total += red;
 | 
			
		||||
            green_total += green;
 | 
			
		||||
            blue_total += blue;
 | 
			
		||||
 | 
			
		||||
            // Adjust vibrance
 | 
			
		||||
            // uint8_t max = std::max({red, green, blue});
 | 
			
		||||
            // uint8_t min = std::min({red, green, blue});
 | 
			
		||||
            // double delta = (max - min) / 255.0;
 | 
			
		||||
            // double value = (max + min) / 255.0;
 | 
			
		||||
            // if (delta != 0) {
 | 
			
		||||
            //     double L = value / 2.0;
 | 
			
		||||
            //     // double S = (L <= 0.5) ? delta / value : delta / (2 -
 | 
			
		||||
            //     value); double S = delta / max; double alpha = 0.0; if
 | 
			
		||||
            //     (saturation_inc >= 0) {
 | 
			
		||||
            //         if ((saturation_inc + S) >= 1)
 | 
			
		||||
            //             alpha = S;
 | 
			
		||||
            //         else
 | 
			
		||||
            //             alpha = 1 - saturation_inc;
 | 
			
		||||
            //         alpha = 1 / alpha - 1;
 | 
			
		||||
            //         red = static_cast<uchar>(red + (red - L * 255) * alpha);
 | 
			
		||||
            //         green =
 | 
			
		||||
            //             static_cast<uchar>(green + (green - L * 255) *
 | 
			
		||||
            //             alpha);
 | 
			
		||||
            //         blue = static_cast<uchar>(blue + (blue - L * 255) *
 | 
			
		||||
            //         alpha);
 | 
			
		||||
            //     } else {
 | 
			
		||||
            //         alpha = saturation_inc;
 | 
			
		||||
            //         red = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                  (red - L * 255) * (1 + alpha));
 | 
			
		||||
            //         green = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                    (green - L * 255) * (1 +
 | 
			
		||||
            //                                    alpha));
 | 
			
		||||
            // blue = static_cast<uchar>(L * 255 +
 | 
			
		||||
            //                                   (blue - L * 255) * (1 +
 | 
			
		||||
            //                                   alpha));
 | 
			
		||||
            //     }
 | 
			
		||||
            // }
 | 
			
		||||
 | 
			
		||||
            data[index + 0] = red;    // R
 | 
			
		||||
            data[index + 1] = green;  // G
 | 
			
		||||
            data[index + 2] = blue;   // B
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    // Adjust White Balance : Grey World Color Correction
 | 
			
		||||
    double K = static_cast<double>(red_total + green_total + blue_total) / (3 * OUT_SIZE);
 | 
			
		||||
    white_gain.red = static_cast<double>(K * OUT_SIZE) / red_total;
 | 
			
		||||
    white_gain.green = static_cast<double>(K * OUT_SIZE) / green_total;
 | 
			
		||||
    white_gain.blue = static_cast<double>(K * OUT_SIZE) / blue_total;
 | 
			
		||||
    printf("Gain: red = %f, green = %f, blue = %f", white_gain.red,
 | 
			
		||||
           white_gain.green, white_gain.blue);
 | 
			
		||||
    for (int32_t y = 0; y < OUT_HEIGHT; ++y) {
 | 
			
		||||
        for (int32_t x = 0; x < OUT_WIDTH; ++x) {
 | 
			
		||||
            int32_t index = (y * OUT_WIDTH + x) * 3;
 | 
			
		||||
 | 
			
		||||
            data[index + 0] =
 | 
			
		||||
                static_cast<uint8_t>(white_gain.red * data[index + 0]);
 | 
			
		||||
            data[index + 1] =
 | 
			
		||||
                static_cast<uint8_t>(white_gain.green * data[index + 1]);
 | 
			
		||||
            data[index + 2] =
 | 
			
		||||
                static_cast<uint8_t>(white_gain.blue * data[index + 2]);
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    // save to bin
 | 
			
		||||
    std::cout << "Ready to save raw RGB image" << std::endl;
 | 
			
		||||
    // for (int32_t y = 0; y < OUT_HEIGHT; ++y) {
 | 
			
		||||
    //     for (int32_t x = 0; x < OUT_WIDTH; ++x) {
 | 
			
		||||
    //         int32_t index = (y * OUT_WIDTH + x) * 3;
 | 
			
		||||
 | 
			
		||||
    //         uint8_t red = data[index + 0];
 | 
			
		||||
    //         uint8_t green = data[index + 1];
 | 
			
		||||
    //         uint8_t blue = data[index + 2];
 | 
			
		||||
 | 
			
		||||
    //         out_image.write((const char*)&red, sizeof(red));
 | 
			
		||||
    //         out_image.write((const char*)&green, sizeof(green));
 | 
			
		||||
    //         out_image.write((const char*)&blue, sizeof(blue));
 | 
			
		||||
 | 
			
		||||
    //         printf("x=%4d, y=%4d, red=0x%02x, green=0x%02x, blue=0x%02x\n",
 | 
			
		||||
    //         x,
 | 
			
		||||
    //                y, red, green, blue);
 | 
			
		||||
    //     }
 | 
			
		||||
    // }
 | 
			
		||||
 | 
			
		||||
    // save to bmp
 | 
			
		||||
    write_bmp("test.bmp", data, OUT_WIDTH, OUT_HEIGHT);
 | 
			
		||||
    delete[] data;
 | 
			
		||||
 | 
			
		||||
    // Return good completion status
 | 
			
		||||
    return 0;
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user