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Installation

Option A — ESP-IDF Component Manager (recommended)​

In the project idf_component.yml:

dependencies:
  iotmertech/iotmer-sdk-esp-idf: "*"

Then:

idf.py update-dependencies

Option B — Git submodule​

git submodule add https://github.com/iotmertech/iotmer-sdk-esp-idf \
    components/iotmer-sdk-esp-idf

In the project CMakeLists.txt (before project()):

set(EXTRA_COMPONENT_DIRS components/iotmer-sdk-esp-idf/components)

TLS​

Provisioning and MQTT use the ESP x509 certificate bundle (esp_crt_bundle_attach) and standard TLS hostname verification. Any HTTPS front end that serves provisioning and related APIs to devices must present a complete public certificate chain (typical edge / ops concern, not something each firmware image hard-codes).

Minimum app_main setup​

#include "nvs_flash.h"
#include "iotmer_client.h"

void app_main(void) {
    ESP_ERROR_CHECK(nvs_flash_init());
    // ... iotmer_init / iotmer_connect — see Examples
}