event a, b, c; // This block triggers each event one by one initial begin #10 -> a; #10 -> b; #10 -> c; end // This block waits until each event is triggered in the given order initial begin wait_order (a,b,c) $display ("Events were executed in the correct order"); ...
在SystemVerilog中,事件通常是由信号的变化触发的,这些信号可以是输入、输出或内部变量。 触发事件的基本语法为: -> event_name; 这种语法会触发事件`event_name`。当事件触发时,绑定到该事件的进程将被激活。 SystemVerilog中的事件等待 事件等待是一种暂停代码执行,直到特定事件发生的机制。在SystemVerilog中,事件...
SystemVerilog enhances the Verilogeventin several ways. An event is now a handle to a synchronization object that can be passed around to routines. In Verilog, if the triggerin g thread executes before the blocking thread, the trigger is missed. SystemVerilog introduces triggered function t...
This is one of the key benefits of uvm_event. Along with the event triggering, data can be passed, this data can be retrieved at wait for the event trigger. Syntax to declare uvm_event#(T) // T - user defined data type uvm_event class declaration in uvm library, ...
( ); logic clk,a,b,c; initial begin...example4: program automatic test_event( ); logic clk,a,b,c; initial begin clk =1'b1;...当然是Error啦,因为clk不是event,不能使用trigger函数...下面开始进入真正的event,感觉亦可赛艇~~ example5: program automatic test(); event e1,e2; initial begi...
ev.trigger(data); 28 phase.drop_objection(this); 29 endtask 30 endclass 31 32 classevent_component2extendsuvm_component; 33 `uvm_component_utils(event_component2) 34 35 functionnew(stringname,uvm_componentparent=null); 36 super.new(name,parent); ...
One initial block then triggeres an action in the other. Of course, in a real testbench, rather than two initial blocks communicating in this way, it would be two UVM components. A UVM event pool manages a pool of events that can be accessed using a string name. Each of the two ...
4. Smoke Sensor: Placed in industrial settings or areas prone to fires, the smoke sensor detects excessive smoke emissions. Upon detection, it triggers alerts to prevent potential fire hazards or industrial accidents.Node-RED Implementation:1. Utilizing Node-RED, the IoT device collects data from...
Verilog Structure Vs. Behavior Structure gate level —built-in models for AND, OR, … modules and instantiations wires Behavior C-like programs or Boolean algebra (but with a few extra operators) assign statements always blocks —procedural statements (next time) ...
`uvm_info(get_type_name(),$sformatf(" event got triggerd"),UVM_LOW) 32 33 $cast(trans,ev.get_trigger_data()); 34 `uvm_info(get_type_name(),$sformatf(" trans received, \n %s",trans.sprint()),UVM_LOW) 35 36 phase.drop_objection(this); ...