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esp-idf
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examples
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protocols
Roland Dobai d5aeae9d48 examples: fix import error for the https_x509_bundle example пре 5 година
..
asio 15884eccf2 Add multi-target support for performance tests пре 5 година
cbor 5a09de8245 cbor: add tinycbor library and example пре 6 година
coap_client 31b2702387 esp_netif, examples: esp_netif_init() moved into ESP_ERROR_CHECK() пре 6 година
coap_server 31b2702387 esp_netif, examples: esp_netif_init() moved into ESP_ERROR_CHECK() пре 6 година
esp_http_client b9555db47f examples: Add example to demonstrate use of low level APIs for GET and POST requests пре 5 година
esp_local_ctrl 4d9c573fb6 test, examples: use new component registration function пре 5 година
http2_request e27c495354 Fixed broken http2_request example. пре 5 година
http_request 31b2702387 esp_netif, examples: esp_netif_init() moved into ESP_ERROR_CHECK() пре 6 година
http_server e57dbf7c27 http-server-example: correction of regex waiting to acquire IP address пре 5 година
https_mbedtls 947e3e94ed Add ESP certificate bundle feature пре 5 година
https_request 15884eccf2 Add multi-target support for performance tests пре 5 година
https_server 31b2702387 esp_netif, examples: esp_netif_init() moved into ESP_ERROR_CHECK() пре 6 година
https_x509_bundle d5aeae9d48 examples: fix import error for the https_x509_bundle example пре 5 година
icmp_echo 75cadc2e41 console: simplify examples пре 6 година
mdns 15884eccf2 Add multi-target support for performance tests пре 5 година
modbus 3abdd2207d freemodbus: fix long buffer failure пре 5 година
mqtt 4d9c573fb6 test, examples: use new component registration function пре 5 година
openssl_client 405186c866 Added simple SMTP email client. пре 6 година
openssl_server 31b2702387 esp_netif, examples: esp_netif_init() moved into ESP_ERROR_CHECK() пре 6 година
pppos_client 85e9930071 esp_modem: Fix misuse event_queue_size as pattern_queue_size пре 5 година
smtp_client 8a6c3c254c examples/smtp: fix strict prototypes error in SMTP example пре 6 година
sntp 5b2fa1a5ad build_app: make multi target support readable пре 5 година
sockets 6adb1a0609 example: Remove duplicate commands and invalid serial port information пре 5 година
websocket 5288a797ef Fix format string in websocket example пре 5 година
README.md 47bbb107a8 build system: Use CMake-based build system as default when describing commands пре 6 година

README.md

Protocols Examples

Implementation of internet communication protocols and services.

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

Establishing Wi-Fi or Ethernet Connection

About the example_connect() Function

Protocols examples use a simple helper function, example_connect(), to establish Wi-Fi or Ethernet connection. This function is implemented in examples/common_components/protocol_examples/common/connect.c, and has a very simple behavior: block until connection is established and IP address is obtained, then return. This function is used to reduce the amount of boilerplate and to keep the example code focused on the protocol or library being demonstrated.

The simple example_connect() function does not handle timeouts, does not gracefully handle various error conditions, and is only suited for use in examples. When developing real applications, this helper function needs to be replaced with full Wi-Fi / Ethernet connection handling code. Such code can be found in examples/wifi/getting_started/ and examples/ethernet/basic/ examples.

Configuring the Example

To configure the example to use Wi-Fi or Ethernet connection, open the project configuration menu (idf.py menuconfig) and navigate to "Example Connection Configuration" menu. Select either "Wi-Fi" or "Ethernet" in the "Connect using" choice.

When connecting using Wi-Fi, enter SSID and password of your Wi-Fi access point into the corresponding fields. If connecting to an open Wi-Fi network, keep the password field empty.

When connecting using Ethernet, set up PHY type and configuration in the provided fields. If using Ethernet for the first time, it is recommended to start with the Ethernet example readme, which contains instructions for connecting and configuring the PHY. Once Ethernet example obtains IP address successfully, proceed to the protocols example and set the same configuration options.

Disabling IPv6

By default, example_connect() function waits until Wi-Fi or Ethernet connection is established, and IPv4 address and IPv6 link-local address are obtained. In network environments where IPv6 link-local address cannot be obtained, disable "Obtain IPv6 link-local address" option found in "Example Connection Configuration" menu.