Entity: cyc_to_led
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) )
`timescale 1ns / 1ps
/*
*/
// *******************************************************************************
// 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
*/