---
title: "error: #5: cannot open source input file \"W5100S/w5100s.h\": No such file or directory"
url: "https://maker.wiznet.io/forum/13995"
markdown_url: "https://maker.wiznet.io/forum/13995/md"
type: "Forum topic"
category: "Serial-to-Ethernet & ConfigTool"
author: "Eng.kourosh"
created: "2020-09-03T14:31:24+09:00"
last_activity: "2020-09-08T10:31:02+09:00"
language: "en"
views: 907
replies: 2
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# error: #5: cannot open source input file "W5100S/w5100s.h": No such file or directory

## Question

Asked by Eng.kourosh on 2020-09-03 in Serial-to-Ethernet & ConfigTool.

hi guys
why my project has this errors ?when i removed include “W5100S/w5100s” i have more error and warning
i also add all header files path in directory

…/Inc/wizchip_conf.h(124): error: #5: cannot open source input file “W5100S/w5100s.h”: No such file or directory

[![sss](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/8/86046775f95a033ade7efe30ce76750a77946380.jpeg) sss1724×1052 183 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/8/86046775f95a033ade7efe30ce76750a77946380.jpeg)

## Replies

### Reply 1 by marcel.mazzi, 2020-09-04

I don’t know how to link the libraries in uVision, but in LPCXpresso and MCUXpresso see these links:

![](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/2fcb1cffd25827524d4236e6f0d6fa949e18e39d.png) [NXP Community – 31 Mar 16](https://community.nxp.com/t5/LPCXpresso-IDE-FAQs/Adding-Include-paths-to-a-project/m-p/467852)

### [Adding Include paths to a project](https://community.nxp.com/t5/LPCXpresso-IDE-FAQs/Adding-Include-paths-to-a-project/m-p/467852)

When including header files into your project, the compiler must be told which directories must be searched to find those files. To do this: Open the Project properties. There are a number of ways of doing this. For example, make sure the Project is...

![](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/2fcb1cffd25827524d4236e6f0d6fa949e18e39d.png) [NXP Community – 31 Mar 16](https://community.nxp.com/t5/LPCXpresso-IDE-FAQs/Creating-and-Linking-to-Library-Projects/m-p/469212)

### [Creating and Linking to Library Projects](https://community.nxp.com/t5/LPCXpresso-IDE-FAQs/Creating-and-Linking-to-Library-Projects/m-p/469212)

The LPCXpresso IDE provides project wizards for creating static library projects which can then be used by other projects within your workspace. In addition it also provides a simple mechanism for creating the links to a static library project from...

If you link the libraries properly you need to remove the path of librarie and leave only the name of librarie (W5100S/w5100s → w5100s).

I hope this help you.

### Reply 2 by Eng.kourosh, 2020-09-08 (in reply to reply 1)

i edited wiznet_conf.c header file and i changed 1 line for setting my chip (w5500) and include “W5500/w5500” to include “w5500” and its worked and i have ping now

now i need to create we server i watched video on youtube and i could to run simple web server but im not sure this is workly correct beacuse when i reload my web page some times its not reload

i follow this link

[![](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/a/af5bf73458dc9aeb59cd70dce8c07ae40609a324.jpeg)](https://www.youtube.com/watch?v=PTDoDJadyi0)

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Source: https://maker.wiznet.io/forum/13995