cyc_to_led

Entity: cyc_to_led

• File: cyc_to_led.v

Diagram

Generics

Generic name	Type	Value	Description
MD_SIM_ABLE		0	sim mode enable
WD_LED_LIGHT		27	LED light span wdith
WD_LED_NUMB		3	led width to true LED
WD_ERR_INFO		4	error info note

Ports

Port name	Direction	Type	Description
i_sys_clk	input		system signals
i_sys_resetn	input
i_cyc_trig_led	input	[WD_LED_NUMB-1:0]	trig signal
o_port_driv_led	output	[WD_LED_NUMB-1:0]	led port
m_err_cyc_info1	output	[WD_ERR_INFO-1:0]	error info feedback

Signals

Name	Type	Description
r_cyc_trig_led	reg [WD_LED_NUMB-1:0]	cycle signal temp one clock
w_cyc_trig_led_pos	wire [WD_LED_NUMB-1:0]	detect cycle signal pos edge
r_led_light_cnt	reg [WD_LED_LIGHT-1:0]	counter for every LED driver

Processes

• unnamed: ( @(posedge i_sys_clk) )
  • Type: always

`timescale 1ns / 1ps
/*

Src Code

*/
// *******************************************************************************
// Company: Fpga Publish
// Engineer: FP 
// 
// Create Date: 2024/01/09 22:54:18
// Design Name: 
// Module Name: cyc_to_led
// Project Name: 
// Target Devices: ZYNQ7010 | XCZU2CG | Kintex7
// Tool Versions: 2021.1 || 2022.2
// Description: 
//         * 
// Dependencies: 
//         * 
// Revision: 0.01 
// Revision 0.01 - File Created
// Additional Comments:
// 
// *******************************************************************************

module cyc_to_led #(
    //mode
    parameter MD_SIM_ABLE = 0, //!sim mode enable
    //number
    parameter WD_LED_LIGHT = 27, //!LED light span wdith
    parameter WD_LED_NUMB = 3, //!led width to true LED
    //width
    parameter WD_ERR_INFO = 4 //!error info note
   )(
    //!system signals
    input           i_sys_clk  ,  
    input           i_sys_resetn,  
    //!trig signal
    input  [WD_LED_NUMB-1:0] i_cyc_trig_led,
    //!led port
    output [WD_LED_NUMB-1:0] o_port_driv_led,
    
    //!error info feedback
    output   [WD_ERR_INFO-1:0]  m_err_cyc_info1
);
//========================================================
//function to math and logic

//========================================================
//localparam to converation and calculate

//========================================================
//register and wire to time sequence and combine
// ----------------------------------------------------------
// src signal solve
reg  [WD_LED_NUMB-1:0] r_cyc_trig_led; //!cycle signal temp one clock
wire [WD_LED_NUMB-1:0] w_cyc_trig_led_pos;//!detect cycle signal pos edge

// ----------------------------------------------------------
// led cnt
reg [WD_LED_LIGHT-1:0] r_led_light_cnt [0:WD_LED_NUMB-1]; //!counter for every LED driver

//========================================================
//always and assign to drive logic and connect
// ----------------------------------------------------------
// src signal solve
always@(posedge i_sys_clk)
begin
    if(!i_sys_resetn) //system reset
    begin
        r_cyc_trig_led <= 1'b0; //
    end
    else if(1) //
    begin
        r_cyc_trig_led <= i_cyc_trig_led;  //
    end
end
assign w_cyc_trig_led_pos = i_cyc_trig_led & (~r_cyc_trig_led);
// ----------------------------------------------------------
// led cnt
generate genvar i;
    for(i = 0; i < WD_LED_NUMB; i = i + 1)
    begin:FOR_WD_LED_NUMB
        always@(posedge i_sys_clk)
        begin
            if(!i_sys_resetn) //system reset
            begin
                r_led_light_cnt[i] <= 1'b0; //
            end
            else if(w_cyc_trig_led_pos[i]) //every trig will reset counter
            begin
                r_led_light_cnt[i] <= 1'b0;  //
            end
            else if(r_led_light_cnt[i][WD_LED_LIGHT-1])
            begin
                r_led_light_cnt[i] <= r_led_light_cnt[i];
            end
            else 
            begin
                r_led_light_cnt[i] <= r_led_light_cnt[i] + 1'b1;
            end
        end 
        assign o_port_driv_led[i] = r_led_light_cnt[i][WD_LED_LIGHT-1];
    end
endgenerate


//========================================================
//module and task to build part of system

//========================================================
//expand and plug-in part with version 

//========================================================
//ila and vio to debug and monitor


endmodule

/*        

补充说明（UTF-8）

• 基于LED监测周期信号
• 主要用于监测周期在ms级别的中断等物理信号
• 本模块暂时进行到源码设计阶段

*/