[graffiti Internet of things footprint] API and SDK introduction

IOT cloud workshop 2020-11-09 12:25:22
graffiti internet things footprint api


Preface series of articles >>> 【 Doodling the footprints of the Internet of things 】 The mainstream communication mode of the Internet of things

Our series of articles , It's all about how to complete an intelligence “ Space kissing machine ” Development of . I hope it can help the long-distance love or Exotic lovers !

In this article, we will explain in general API And SDK Let's introduce the definition of ~

One 、APIApplication Programming Interface, Application programming interface

Let's start with a country (ke) Occasion (yi) Accustomed to (tiao) example (guo) The Encyclopedia of :

API(Application Programming Interface, Application program interface ) Are some predefined functions , Or it refers to the agreement on the connection of different components of the software system . A set of routines that applications and developers can access based on a software or hardware , Without access to the source code , Or understand the details of the internal working mechanism .

Let's illustrate it with a few examples :

give an example A:

Just Howard Of “ Space kissing machine ” In terms of prototype , Suppose we put APP Leave it to the supplier , So if the supplier wants to get the data in the device , We need to provide a API, Enable suppliers to access directly without knowing the configuration of the device . The pink frame part is API~

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give an example B:

Take an example from life . Your man / Your girlfriend bought you a cup of milk tea ( Here we recommend the sweet dew of Yangzhi , It's delicious ), So you want to drink what's in it ( Although you don't know what's in it ), You can use a straw to drink . This straw is API.

give an example C:

Imagine , You need to boil water at home . Then your steps are as follows :

  1. The kettle is full of water ;
  2. Plug in the plug
  3. Press the water switch
  4. Wait for the water to boil .

In the process above ,API Even if the plug in your house , As long as you plug the kettle into this socket , You can use the electricity provided by the power station ( If there is a mistake , Please advise ).

OK, Through the above three examples , I guess people are right about API There should be some understanding .API We can see it everywhere in our life , Welcome to give more examples in this article .

So in the Internet of things , Next , Let's introduce it SDK

Two 、APISoftware Development Kit, Software development kit

countries (ke) Occasion (yi) Accustomed to (tiao) example (guo):

Software development kits are some that are used by software engineers for specific software packages 、 software framework 、 Hardware platform 、 A collection of development tools for creating applications such as operating systems , generally speaking SDK I.e. development Windows Platform applications used by SDK. It can simply provide an application program interface for a programming language API Some of the documents of , But it may also include complex hardware that can communicate with an embedded system . Common tools include utilities for debugging and other purposes .SDK It also often includes sample code 、 Supporting technical notes or other supporting documents to clarify doubts for basic reference materials .

Let's give another example .

give an example A:

Suppose we “ Space kissing machine ” There is already one App.App In order to get the location information of users , Built in application of a map , So every time lovers turn on APP When , There will be the following 3 A process :

  1. couples A open “ Space kissing machine ”App;
  2. “ Space kissing machine ”App Wake up the built-in map app ;
  3. Map application feedback user location information ;
  4. Couples can see each other's location .

In the above process ,“ Space kissing machine ”App The built-in map app , That's what we're talking about SDK.

SDK It's easy to understand , Let's not give so many examples . If you have more accessible examples , Leave a comment below ~

3、 ... and 、API and SDK The relationship between

API and SDK, In an end-to-end development , Has a very important position . Again , Let's use an example to illustrate their relationship ~

This time we won't use our “ The kissing machine ” Here's an example , With “ Lego ” Take an example. :

API: Lego building blocks “ Grain ”( To connect two Lego blocks );

SDK: A big bag of Lego blocks , There are all kinds of gadgets in it

adopt API and SDK, To complete a complete LEGO !

Hope through this article , It can make people understand API and SDK There is a simple and crude understanding of !

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