feat: Support using runtime ATECC608A I2C address setup

orbital-systems · Aug 26, 2024 · 49923a6 · 49923a6
1 parent b5b8033
commit 49923a6
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Showing 3 changed files with 13 additions and 0 deletions.
diff --git a/include/mqtt_client.h b/include/mqtt_client.h
@@ -303,6 +303,9 @@ typedef struct esp_mqtt_client_config_t {
             bool use_secure_element; /*!< Enable secure element, available in ESP32-ROOM-32SE, for SSL connection */
             void *ds_data; /*!< Carrier of handle for digital signature parameters, digital signature peripheral is
                    available in some Espressif devices.  It's not copied nor freed by the client, user needs to clean up.*/
+#ifdef CONFIG_ATECC608A_RUNTIME_SELECTION
+            uint8_t atecc608a_i2c_addr; /*!< I2C address for the ATECC608A chip that is being used */
+#endif // CONFIG_ATECC608A_RUNTIME_SELECTION
         } authentication; /*!< Client authentication */
     } credentials; /*!< User credentials for broker */
     /**

diff --git a/lib/include/mqtt_client_priv.h b/lib/include/mqtt_client_priv.h
@@ -100,6 +100,9 @@ typedef struct {
     uint64_t outbox_limit;
     esp_transport_handle_t transport;
     struct ifreq * if_name;
+#ifdef CONFIG_ATECC608A_RUNTIME_SELECTION
+    uint8_t atecc608a_i2c_addr;
+#endif // CONFIG_ATECC608A_RUNTIME_SELECTION
 } mqtt_config_storage_t;
 
 typedef enum {

diff --git a/mqtt_client.c b/mqtt_client.c
@@ -207,7 +207,11 @@ static esp_err_t esp_mqtt_set_ssl_transport_properties(esp_transport_list_handle
     if (cfg->use_secure_element) {
 #ifdef MQTT_SUPPORTED_FEATURE_SECURE_ELEMENT
 #ifdef CONFIG_ESP_TLS_USE_SECURE_ELEMENT
+#ifdef CONFIG_ATECC608A_RUNTIME_SELECTION
+        esp_transport_ssl_use_secure_element(ssl, cfg->atecc608a_i2c_addr);
+#else
         esp_transport_ssl_use_secure_element(ssl);
+#endif
 #else
         ESP_LOGE(TAG, "Secure element not enabled for esp-tls in menuconfig");
         goto esp_mqtt_set_transport_failed;
@@ -565,6 +569,9 @@ esp_err_t esp_mqtt_set_config(esp_mqtt_client_handle_t client, const esp_mqtt_cl
     client->config->skip_cert_common_name_check = config->broker.verification.skip_cert_common_name_check;
     client->config->common_name = config->broker.verification.common_name;
     client->config->use_secure_element = config->credentials.authentication.use_secure_element;
+#ifdef CONFIG_ATECC608A_RUNTIME_SELECTION
+    client->config->atecc608a_i2c_addr = config->credentials.authentication.atecc608a_i2c_addr;
+#endif // CONFIG_ATECC608A_RUNTIME_SELECTION
     client->config->ds_data = config->credentials.authentication.ds_data;
 
     if (config->credentials.authentication.key_password && config->credentials.authentication.key_password_len) {