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Merge branch 'feature-psram-memory-config' into 'master'

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MR: feat: Allows esp-mqtt task and work buffers to be allocated in external memory
See merge request espressif/esp-mqtt!323
This commit is contained in:
Euripedes Rocha
2026-07-29 11:12:28 +02:00
parent 09e698d23b b21e6bb3d4
commit b2fef23f84
7 changed files with 104 additions and 8 deletions
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mqtt_client.c
+14 -6
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@@ -488,7 +488,7 @@ esp_err_t esp_mqtt_set_config(esp_mqtt_client_handle_t client, const esp_mqtt_cl
}
free(client->mqtt_state.in_buffer);
client->mqtt_state.in_buffer = (uint8_t *)malloc(buffer_size);
client->mqtt_state.in_buffer = (uint8_t *)heap_caps_malloc(buffer_size, MQTT_BUFFER_MEMORY);
ESP_MEM_CHECK(TAG, client->mqtt_state.in_buffer, goto _mqtt_set_config_failed);
client->mqtt_state.in_buffer_length = buffer_size;
client->config->message_retransmit_timeout = config->session.message_retransmit_timeout;
@@ -2186,7 +2186,11 @@ static void esp_mqtt_task(void *pv)
outbox_delete_all_items(client->outbox);
client->state = MQTT_STATE_DISCONNECTED;
xEventGroupSetBits(client->status_bits, STOPPED_BIT);
#if MQTT_TASK_STACK_ON_EXTERNAL_MEMORY
vTaskDeleteWithCaps(NULL);
#else
vTaskDelete(NULL);
#endif
}
esp_err_t esp_mqtt_client_start(esp_mqtt_client_handle_t client)
@@ -2207,18 +2211,22 @@ esp_err_t esp_mqtt_client_start(esp_mqtt_client_handle_t client)
esp_err_t err = ESP_OK;
#if MQTT_CORE_SELECTION_ENABLED
ESP_LOGD(TAG, "Core selection enabled on %u", MQTT_TASK_CORE);
#else
ESP_LOGD(TAG, "Core selection disabled");
#endif
#if MQTT_TASK_STACK_ON_EXTERNAL_MEMORY
if (xTaskCreatePinnedToCore(esp_mqtt_task, "mqtt_task", client->config->task_stack, client, client->config->task_prio,
&client->task_handle, MQTT_TASK_CORE) != pdTRUE) {
if (xTaskCreatePinnedToCoreWithCaps(esp_mqtt_task, "mqtt_task", client->config->task_stack, client,
client->config->task_prio, &client->task_handle, MQTT_TASK_AFFINITY,
MALLOC_CAP_SPIRAM) != pdTRUE) {
ESP_LOGE(TAG, "Error create mqtt task");
err = ESP_FAIL;
}
#else
ESP_LOGD(TAG, "Core selection disabled");
if (xTaskCreate(esp_mqtt_task, "mqtt_task", client->config->task_stack, client, client->config->task_prio,
&client->task_handle) != pdTRUE) {
if (xTaskCreatePinnedToCore(esp_mqtt_task, "mqtt_task", client->config->task_stack, client,
client->config->task_prio, &client->task_handle, MQTT_TASK_AFFINITY) != pdTRUE) {
ESP_LOGE(TAG, "Error create mqtt task");
err = ESP_FAIL;
}