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finish reconstruction and pass simulation

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SikongJueluo
2024-06-28 19:38:36 +08:00
parent 85910958f9
commit c527835ff6
7 changed files with 372 additions and 310 deletions
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83
ColorBlender/ColorBlender.v
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@@ -2,36 +2,37 @@
// 三通道图像合成一个RGB图像
module ColorBlender #(
parameter reg [ 4:0] IN_DEPTH = 12, // 输入图像的色深
parameter reg [ 4:0] OUT_DEPTH = 8, // 输出图像的色深
parameter reg [16:0] GAIN_RED = 120, // 红色增益系数
parameter reg [16:0] GAIN_GREEN = 50, // 绿色增益系数
parameter reg [16:0] GAIN_BLUE = 95, // 蓝色增益系数
parameter reg [ 4:0] GAIN_OFFSET = 7
parameter reg [ 4:0] IN_DEPTH = 12, // 输入图像的色深
parameter reg [ 4:0] OUT_DEPTH = 8, // 输出图像的色深
parameter reg [ 8:0] BUFF_SIZE = 32
) (
input clk,
input reset,
input wire clk,
input wire reset,
input in_en,
input [15:0] data_in[2], // 0:R 1:G 2:B
output out_ready,
output out_receive,
input wire in_en,
input wire [15:0] in_data[3], // 0:R 1:G 2:B
output wire out_ready,
output wire out_receive,
// 输出相关
input in_ready,
input in_receive,
output out_en,
output [3 * OUT_DEPTH - 1:0] out_data,
input wire in_ready,
input wire in_receive,
output reg out_en,
output reg [3 * OUT_DEPTH - 1:0] out_data,
// 颜色校正
input wire [15:0] gain_red,
input wire [15:0] gain_green,
input wire [15:0] gain_blue,
input wire color_correction
);
localparam READ_DATA = 0;
localparam CALC_DATA = 1;
localparam SEND_DATA = 2;
localparam reg [2:0] READ_DATA = 0;
localparam reg [2:0] CALC_DATA = 1;
localparam reg [2:0] SATI_DATA = 2;
localparam reg [2:0] SEND_DATA = 3;
reg [2:0] state, nextState;
reg [31:0] data_cal[2]; // 用于保存运算结果，防止溢出
reg [BUFF_SIZE - 1:0] data_cal[3]; // 用于保存运算结果，防止溢出
always @(posedge clk or posedge reset) begin
if (reset) begin
@@ -44,15 +45,15 @@ module ColorBlender #(
always @(*) begin
case (state)
READ_DATA: nextState = (in_en) ? (color_correction ? CALC_DATA : SEND_DATA) : READ_DATA;
CALC_DATA: nextState = SEND_DATA;
CALC_DATA: nextState = SATI_DATA;
SATI_DATA: nextState = SEND_DATA;
SEND_DATA: nextState = (in_receive) ? READ_DATA : SEND_DATA;
default: nextState = READ_DATA;
default: nextState = READ_DATA;
endcase
end
assign out_ready = (state == READ_DATA) ? 1 : 0;
assign out_receive = in_en ? 1 : 0;
assign out_en = (in_ready && state == SEND_DATA) ? 1 : 0;
assign out_ready = (!in_en && state == READ_DATA) ? 1 : 0;
assign out_receive = (in_en && state == READ_DATA) ? 1 : 0;
always @(posedge clk or posedge reset) begin
if (reset) begin
@@ -60,28 +61,38 @@ module ColorBlender #(
data_cal[0] <= 0;
data_cal[1] <= 0;
data_cal[2] <= 0;
out_data <= 0;
out_en <= 0;
end else begin
case (state)
READ_DATA: begin
if (in_en) begin
data_cal[0] <= ({16'b0, data_in[0]} << 8;
data_cal[1] <= ({16'b0, data_in[1]} << 8;
data_cal[2] <= ({16'b0, data_in[2]} << 8;
data_cal[0] <= ({{(BUFF_SIZE - 16){1'b0}}, in_data[0]}) << (8 - (IN_DEPTH - OUT_DEPTH));
data_cal[1] <= ({{(BUFF_SIZE - 16){1'b0}}, in_data[1]}) << (8 - (IN_DEPTH - OUT_DEPTH));
data_cal[2] <= ({{(BUFF_SIZE - 16){1'b0}}, in_data[2]}) << (8 - (IN_DEPTH - OUT_DEPTH));
end
end
CALC_DATA: begin
data_cal[0] <= data_cal[0] * (GAIN_RED << 8)
data_cal[1] <= data_cal[1] * (GAIN_GREEN << 8)
data_cal[2] <= data_cal[2] * (GAIN_BLUE << 8)
data_cal[0] <= (data_cal[0] * {{(BUFF_SIZE - 16){1'b0}}, gain_red}) >> 16;
data_cal[1] <= (data_cal[1] * {{(BUFF_SIZE - 16){1'b0}}, gain_green}) >> 16;
data_cal[2] <= (data_cal[2] * {{(BUFF_SIZE - 16){1'b0}}, gain_blue}) >> 16;
end
SATI_DATA: begin
data_cal[0] <= |data_cal[0][BUFF_SIZE -1 :OUT_DEPTH] ? {BUFF_SIZE{1'b1}} : data_cal[0];
data_cal[1] <= |data_cal[0][BUFF_SIZE -1 :OUT_DEPTH] ? {BUFF_SIZE{1'b1}} : data_cal[1];
data_cal[2] <= |data_cal[0][BUFF_SIZE -1 :OUT_DEPTH] ? {BUFF_SIZE{1'b1}} : data_cal[2];
end
SEND_DATA: begin
if (in_ready) begin
out_data[0] <= data_cal[0] >> (8 + IN_DEPTH - OUT_DEPTH)
out_data[1] <= data_cal[1] >> (8 + IN_DEPTH - OUT_DEPTH)
out_data[2] <= data_cal[2] >> (8 + IN_DEPTH - OUT_DEPTH)
end
if (in_ready && !in_receive) begin
out_en <= 1;
out_data <= {
data_cal[0][OUT_DEPTH-1:0], data_cal[1][OUT_DEPTH-1:0], data_cal[2][OUT_DEPTH-1:0]
};
end else out_en <= 0;
end
default: ;