Shou-Li Hsu

Shou-Li Hsu

Shou-Li Hsu is a talented circuit designer from Taiwan, experienced in CPU design and VLSI. He's currently working as a CPU RTL design engineer in a tech company.

Understanding $ferror in Verilog and SystemVerilog

The $ferror function provides detailed error messages beyond simple codes, aiding in efficient debugging. Learn how to use $ferror to improve your error handling strategy.

Using $fflush to Manage File Buffers in Verilog and SystemVerilog

Flushing data to a file in SystemVerilog ensures data is immediately written from the buffer, preventing loss, aiding real-time processing, and improving debugging efficiency. This process is essential for critical data handling scenarios.

Understanding File Positioning Functions in Verilog and SystemVerilog

Discover how to master file positioning functions in SystemVerilog, including $ftell, $fseek, and $rewind. Learn through practical examples and understand their applications in file navigation and manipulation.

Reading Data from a File in Verilog and SystemVerilog

Reading data from files in SystemVerilog involves using tasks like fgetc, ungetc, fgets, fscanf, sscanf, and fread. Each task serves specific use cases, from reading single characters and lines to formatted and binary data.

Formatting Data to a String in Verilog and SystemVerilog

In this article, we explore SystemVerilog functionalities for formatting data into strings using $swrite, $sformat, and $sformatf. These tasks are essential for logging, debugging, or displaying readable results.

File Output System Tasks in Verilog and SystemVerilog

The file output system tasks in SystemVerilog: $fdisplay, $fwrite, $fmonitor, and $fstrobe, are crucial for logging and debugging simulation data. This article explores their usage, focusing on how to direct outputs to files using file descriptors and multichannel descriptors.

Verilog and SystemVerilog File Operations: $fopen and $fclose

Explore file operations in SystemVerilog, focusing on `$fopen` and `$fclose`. Learn about syntax, usage, file modes, and the importance of closing files to manage resources effectively in your simulations.

Understanding $monitor System Task in Verilog and SystemVerilog

The $monitor system task in SystemVerilog continuously tracks specified variables, printing messages when changes occur. It operates at the end of the simulation time step and only one $monitor can be active at a time. You can control it using $monitoron and $monitoroff tasks.

Understanding $strobe in SystemVerilog and Verilog: A Practical Guide

In this article, we explore $strobe in SystemVerilog, a task that executes at the end of the simulation time step, showing final variable values. Using an accumulator example, we demonstrate how $strobe provides clearer insights than $display for debugging and verification.

Mastering Format Specifications in Verilog and SystemVerilog: A Comprehensive Guide

Understand and use SystemVerilog's format specifiers for clearer, context-specific data displays. Learn how specifiers like %b, %d, %h, and others can significantly improve your coding and debugging process.