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README.md	docs: Update App Utils programming guide docs for ESP32P4	2024-02-23 12:33:11 +05:30
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README.md

Supported Targets	ESP32	ESP32-C2	ESP32-C3	ESP32-C6	ESP32-H2	ESP32-P4	ESP32-S2	ESP32-S3

HTTP Request Example

(See the README.md file in the upper level 'examples' directory for more information about examples.)

Uses a POSIX socket to make a very simple HTTP request.

How to use example

Before project configuration and build, be sure to set the correct chip target using idf.py set-target <chip_name>.

Hardware Required

A development board with ESP32/ESP32-S2/ESP32-C3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.)
A USB cable for power supply and programming

Configure the project

idf.py menuconfig

Open the project configuration menu (idf.py menuconfig) to configure Wi-Fi or Ethernet. See "Establishing Wi-Fi or Ethernet Connection" section in examples/protocols/README.md for more details.

Build and Flash

Build the project and flash it to the board, then run monitor tool to view serial output:

idf.py -p PORT flash monitor

(Replace PORT with the name of the serial port to use.)

(To exit the serial monitor, type Ctrl-].)

See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.

Example Output

I (10557) example_connect: - IPv4 address: 192.168.194.219
I (10557) example_connect: - IPv6 address: fe80:0000:0000:0000:266f:28ff:fe80:2c74, type: ESP_IP6_ADDR_IS_LINK_LOCAL
W (10577) wifi:<ba-add>idx:0 (ifx:0, ee:6d:19:60:f6:0e), tid:0, ssn:3, winSize:64
I (10587) example: DNS lookup succeeded. IP=93.184.216.34
I (10587) example: ... allocated socket
I (10917) example: ... connected
I (10917) example: ... socket send success
I (10927) example: ... set socket receiving timeout success
HTTP/1.0 200 OK
Age: 317271
Cache-Control: max-age=604800
Content-Type: text/html; charset=UTF-8
Date: Mon, 06 Sep 2021 08:09:49 GMT
Etag: "3147526947+ident"
Expires: Mon, 13 Sep 2021 08:09:49 GMT
Last-Modified: Thu, 17 Oct 2019 07:18:26 GMT
Server: ECS (nyb/1D2B)
Vary: Accept-Encoding
X-Cache: HIT
Content-Length: 1256
Connection: close

<!doctype html>
<html>
<head>
    <title>Example Domain</title>

    <meta charset="utf-8" />
    <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <style type="text/css">
    body {
        background-color: #f0f0f2;
        margin: 0;
        padding: 0;
        font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;

    }
    div {
        width: 600px;
        margin: 5em auto;
        padding: 2em;
        background-color: #fdfdff;
        border-radius: 0.5em;
        box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02);
    }
    a:link, a:visited {
        color: #38488f;
        text-decoration: none;
    }
    @media (max-width: 700px) {
        div {
            margin: 0 auto;
            width: auto;
        }
    }
    </style>
</head>

<body>
<div>
    <h1>Example Domain</h1>
    <p>This domain is for use in illustrative examples in documents. You may use this
    domain in literature without prior coordination or asking for permission.</p>
    <p><a href="https://www.iana.org/domains/example">More information...</a></p>
</div>
</body>
</html>
I (11467) example: ... done reading from socket. Last read return=0 errno=128.
I (11477) example: 10...
I (12477) example: 9...
I (13477) example: 8...