Vivado 平台间接测量法测量方波脉冲信号频率和占空比仿真代码
以下是使用 Vivado 平台进行间接测量法测量方波脉冲信号频率和占空比的仿真代码:
module pulse_measurement (
input wire clk,
input wire reset,
input wire pulse_in,
output reg [31:0] frequency,
output reg [31:0] duty_cycle
);
reg [31:0] high_count;
reg [31:0] low_count;
reg [31:0] total_count;
reg [31:0] pulse_count;
reg [31:0] period_count;
always @(posedge clk or posedge reset) begin
if (reset) begin
high_count <= 0;
low_count <= 0;
total_count <= 0;
pulse_count <= 0;
period_count <= 0;
frequency <= 0;
duty_cycle <= 0;
end else begin
if (pulse_in) begin
if (total_count == 0) begin
high_count <= 1;
end else begin
high_count <= high_count + 1;
end
end else begin
if (total_count == 0) begin
low_count <= 1;
end else begin
low_count <= low_count + 1;
end
end
if (total_count == 0) begin
period_count <= 1;
end else begin
period_count <= period_count + 1;
end
if (total_count == 0) begin
pulse_count <= 0;
end else if (pulse_in) begin
pulse_count <= pulse_count + 1;
end
total_count <= total_count + 1;
if (total_count == 0) begin
frequency <= 0;
duty_cycle <= 0;
end else if (period_count >= 100000000) begin
frequency <= total_count;
duty_cycle <= pulse_count;
total_count <= 0;
pulse_count <= 0;
period_count <= 0;
end
end
end
endmodule
请注意,此代码只是一个仿真代码,用于在 Vivado 平台进行仿真。要在 FPGA 上实际实现该设计,您需要根据您的硬件平台和设计约束进行适当的修改和综合。
原文地址: https://www.cveoy.top/t/topic/o6wR 著作权归作者所有。请勿转载和采集!