36 lines
659 B
Coq
36 lines
659 B
Coq
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//the frame counter
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//count the frame number by the sensor_interface status_out[0] rising edge
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module frame_counter(
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input wire clk_clk,
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input wire rst_reset, //this reset should connect to sensor_interface int_rst
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input wire sig,
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input wire [31:0] data_in, //for connect in qsys only
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input wire data_in_endofpacket, // for connect in qsys only
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output reg [26:0] frame_Num
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);
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reg sig_last;
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always @(posedge clk_clk or posedge rst_reset)
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begin
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if (rst_reset)
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begin
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sig_last <= 1'b0;
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frame_Num <= 27'b0;
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end
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else
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begin
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sig_last <= sig;
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if (~sig_last&&sig)
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frame_Num <= frame_Num + 1'b1;
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end
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end
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endmodule
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