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https://github.com/nopnop2002/esp-idf-qr-code-generator

QR Code generator for esp-idf
https://github.com/nopnop2002/esp-idf-qr-code-generator

esp-idf esp32 qr-code qrcode qrcode-generator

Last synced: 2 months ago
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QR Code generator for esp-idf

Host: GitHub
URL: https://github.com/nopnop2002/esp-idf-qr-code-generator
Owner: nopnop2002
License: mit
Created: 2022-08-07T05:03:15.000Z (over 2 years ago)
Default Branch: main
Last Pushed: 2024-09-18T08:09:40.000Z (4 months ago)
Last Synced: 2024-10-11T13:42:40.584Z (3 months ago)
Topics: esp-idf, esp32, qr-code, qrcode, qrcode-generator
Language: C
Homepage:
Size: 227 KB
Stars: 9
Watchers: 2
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

README

# esp-idf-qr-code-generator
QR Code generator for esp-idf.
You can generate any QR code.

This project use [this](https://github.com/nayuki/QR-Code-generator) as components. It's a GREAT job.

# Installation overview
1. In this project directory, create a components directory.

2. In the components directory, clone QR-Code-generator:
```
git clone https://github.com/nayuki/QR-Code-generator
```

3. In the new QR-Code-generator directory, create a CMakeLists.txt file containing:
```
idf_component_register(SRCS "c/qrcodegen.c" INCLUDE_DIRS "c/")
```

4. Compile this project.

# Software requiment
ESP-IDF V5.0 or later.
ESP-IDF V4.4 release branch reached EOL in July 2024.
ESP-IDF V5.1 is required when using ESP32-C6.

# Installation
```
git clone https://github.com/nopnop2002/esp-idf-qr-code-generator
cd esp-idf-qr-code-generator
mkdir -p components
cd components/
git clone https://github.com/nayuki/QR-Code-generator
echo "idf_component_register(SRCS \"c/qrcodegen.c\" INCLUDE_DIRS \"c/\")" > QR-Code-generator/CMakeLists.txt
cd ..
idf.py menuconfig
idf.py flash monitor
```

# Application Setting

![config-top](https://user-images.githubusercontent.com/6020549/183276602-6abd8b3b-4816-4f67-91cb-b3fc76439381.jpg)
![config-app](https://user-images.githubusercontent.com/6020549/183276605-b1372459-bf61-4712-a855-95b59223a116.jpg)

## Wifi Setting

![config-wifi](https://user-images.githubusercontent.com/6020549/183276665-607e2ca0-6caa-43b1-a431-5b4888858ea5.jpg)

You can use the mDNS hostname instead of the IP address.

## HTTP Server Setting

![config-http](https://user-images.githubusercontent.com/6020549/183277176-2ed5a850-d339-43d4-835f-a00ec021e661.jpg)

# How to use
Open your brouser, and put address in address bar.
You can use the mDNS hostname instead of the IP address.
Default mDNS name is esp32.local.
Input text and submit.
After waiting for a while, a QR code will appear.

![esp-idf-qr-code-generator-1](https://user-images.githubusercontent.com/6020549/183276725-faf1fe52-c380-4b26-83d4-b2e3bb31d84b.jpg)
![esp-idf-qr-code-generator-2](https://user-images.githubusercontent.com/6020549/183276723-9f9c9240-2e07-4109-aff4-3c2e1c5dd7cf.jpg)

# How to browse image data using built-in http server
Even if there are image files in SPIFFS, the esp-idf http server does not support this:
```
httpd_resp_sendstr_chunk(req, "");
```

You need to convert the image file to base64 string.
```
httpd_resp_sendstr_chunk(req, "");
```

# Reference
https://github.com/nopnop2002/esp-idf-web-form

https://github.com/nopnop2002/esp-idf-pwm-slider