April 2021 – 0perat0r个人站

Arduino Servo.h no such file or directory on FreeBSD

Posted on April 30, 2021 by 0pr

So, here is the THING. I try to compile codes with Servo.h, but get No such file or directorys. Take a look at the compiling message, it looks like this. … -I/usr/local/arduino/libraries//usr/local/arduino/libraries -I/home/username/sketchbook/libraries//usr/local/arduino/libraries … This is funny. It is generated by the vanilla arduino-mk file. So it has to be modified. Check out CPPFLAGS. CPPFLAGS…

Key Points of TCP/IP Illustrated – V1 – Chapter 2 – The Internet Address Architecture

Posted on April 16, 2021April 16, 2021 by 0pr

Chapter 2 – The Internet Address Architecture 2.1 Introduction This chapter deals with IP addresses. Every device connected to the Internet has at least one IP address. IP addresses are assigned to devices when they are connected to the global Internet. And the IP addresses should be coordinated so as to not duplicate other addresses…

Key Points of TCP/IP Illustrated – V1 – Chapter 1 – Introduction

Posted on April 9, 2021April 16, 2021 by 0pr

Chapter 1 – Introduction A collection of related protocols is called a protocol suite. TCP/IP stack is a protocol suite originated from ARPANET Reference Model (ARM) [RFC0871]. 1.1 Architectural Principles TCP/IP lays the foundation of today’s global Internet, a wide area network (WAN). WWW is the application utilizing Internet for communication. Goals in creating the…