1 代码
`timescale 1ns / 1ps
//摄像头数据分别传入两个bram中
module camera_to_2bram (
input reset_n,
input camera_clk,
input camera_frame_valid_i,
input [13:0] camera_data_i,
output reg [16:0] write_addr,
output reg [13:0] camera_data_to_bram,
output buffer0_write_en,
output buffer1_write_en
);
localparam PIXEL_SIZE = 320 * 256; //输入的每帧像素数量
reg buffer0_write_flag, buffer1_write_flag;
reg camera_frame_valid_i_d0;
reg [13:0] camera_data_i_d0;
//对帧有效信号打一拍
always @(posedge camera_clk or negedge reset_n) begin
if (!reset_n) begin
camera_frame_valid_i_d0 <= 0;
end else begin
camera_frame_valid_i_d0 <= camera_frame_valid_i;
end
end
//检测帧有效信号的上升沿
assign frame_rise_edge = camera_frame_valid_i && !camera_frame_valid_i_d0;
//每一帧开始换另一个bram写
always @(posedge camera_clk or negedge reset_n) begin
if (!reset_n) begin
buffer0_write_flag <=
