summaryrefslogtreecommitdiff
path: root/nrfdemo/src
diff options
context:
space:
mode:
Diffstat (limited to 'nrfdemo/src')
-rw-r--r--nrfdemo/src/main.c303
-rw-r--r--nrfdemo/src/mqtt_connection.c365
-rw-r--r--nrfdemo/src/mqtt_connection.h21
3 files changed, 689 insertions, 0 deletions
diff --git a/nrfdemo/src/main.c b/nrfdemo/src/main.c
new file mode 100644
index 0000000..68f8f3c
--- /dev/null
+++ b/nrfdemo/src/main.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (c) 2018 Nordic Semiconductor ASA
+ * Copyright (c) 2024 Conexio Technologies, Inc
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <stdio.h>
+#include <ncs_version.h>
+#include <zephyr/kernel.h>
+#include <zephyr/net/socket.h>
+
+#include <zephyr/logging/log.h>
+#include <dk_buttons_and_leds.h>
+#include <modem/nrf_modem_lib.h>
+#include <modem/lte_lc.h>
+/* Header file for the MQTT Library*/
+#include <zephyr/net/mqtt.h>
+#include <nrf_modem_gnss.h>
+#include "mqtt_connection.h"
+
+/* The mqtt client struct */
+static struct mqtt_client client;
+/* File descriptor */
+static struct pollfd fds;
+
+/* Define the PVT data frame variable */
+static struct nrf_modem_gnss_pvt_data_frame pvt_data;
+
+/* Declare helper variables to find the TTFF */
+static int64_t gnss_start_time;
+static bool first_fix = false;
+
+static void gnss_event_handler(int event);
+static void print_fix_data(struct nrf_modem_gnss_pvt_data_frame *pvt_data);
+
+static K_SEM_DEFINE(lte_connected, 0, 1);
+
+LOG_MODULE_REGISTER(mqtt_app, LOG_LEVEL_INF);
+
+static void lte_handler(const struct lte_lc_evt *const evt)
+{
+ LOG_INF("LTE handler");
+ switch (evt->type) {
+ case LTE_LC_EVT_NW_REG_STATUS:
+ if ((evt->nw_reg_status != LTE_LC_NW_REG_REGISTERED_HOME) &&
+ (evt->nw_reg_status != LTE_LC_NW_REG_REGISTERED_ROAMING)) {
+ break;
+ }
+ LOG_INF("Network registration status: %s",
+ evt->nw_reg_status == LTE_LC_NW_REG_REGISTERED_HOME ?
+ "Connected - home network" : "Connected - roaming");
+ k_sem_give(&lte_connected);
+ break;
+ case LTE_LC_EVT_RRC_UPDATE:
+ LOG_INF("RRC mode: %s", evt->rrc_mode == LTE_LC_RRC_MODE_CONNECTED ?
+ "Connected" : "Idle");
+ break;
+ default:
+ break;
+ }
+}
+
+static int modem_configure(void)
+{
+ int err;
+
+ LOG_INF("Initializing modem library");
+ err = nrf_modem_lib_init();
+ if (err) {
+ LOG_ERR("Failed to initialize the modem library, error: %d", err);
+ return err;
+ }
+
+ /* lte_lc_init deprecated in >= v2.6.0 */
+ #if NCS_VERSION_NUMBER < 0x20600
+ err = lte_lc_init();
+ if (err) {
+ LOG_ERR("Failed to initialize LTE link control library, error: %d", err);
+ return err;
+ }
+ #endif
+
+ LOG_INF("Connecting to LTE network");
+ err = lte_lc_connect_async(lte_handler);
+ if (err) {
+ LOG_ERR("Error in lte_lc_connect_async, error: %d", err);
+ return err;
+ }
+
+ k_sem_take(&lte_connected, K_FOREVER);
+ LOG_INF("Connected to LTE network");
+
+ #if 1
+
+ /* Activate only the GNSS stack * /
+ if (lte_lc_func_mode_set(LTE_LC_FUNC_MODE_ACTIVATE_GNSS) != 0) {
+ LOG_ERR("Failed to activate GNSS functional mode");
+ return 0;
+ } */
+
+ /* Register the GNSS event handler */
+ if (nrf_modem_gnss_event_handler_set(gnss_event_handler) != 0) {
+ LOG_ERR("Failed to set GNSS event handler");
+ return 0;
+ }
+
+ /* Set the GNSS fix interval and GNSS fix retry period */
+ //if (nrf_modem_gnss_fix_interval_set(CONFIG_GNSS_PERIODIC_INTERVAL) != 0) {
+ // LOG_ERR("Failed to set GNSS fix interval");
+ // return 0;
+ //}
+
+ //if (nrf_modem_gnss_fix_retry_set(CONFIG_GNSS_PERIODIC_TIMEOUT) != 0) {
+ // LOG_ERR("Failed to set GNSS fix retry");
+ // return 0;
+ //}
+
+ /* Start the GNSS receiver */
+ LOG_INF("Starting GNSS");
+ if (nrf_modem_gnss_start() != 0) {
+ LOG_ERR("Failed to start GNSS");
+ return 0;
+ }
+ #endif
+
+
+ // Blink LED to indicate we connected to MQTT broker
+ dk_set_led_on(DK_LED1);
+ k_msleep(2000);
+ dk_set_led_off(DK_LED1);
+
+ return 0;
+}
+
+static void button_handler(uint32_t button_state, uint32_t has_changed)
+{
+ switch (has_changed) {
+ case DK_BTN1_MSK:
+ /* When button 1/Mode is pressed, call data_publish() to publish a message */
+ if (button_state & DK_BTN1_MSK){
+ int err = data_publish(&client, MQTT_QOS_1_AT_LEAST_ONCE,
+ CONFIG_BUTTON_EVENT_PUBLISH_MSG, sizeof(CONFIG_BUTTON_EVENT_PUBLISH_MSG)-1);
+ if (err) {
+ LOG_INF("Failed to send message, %d", err);
+ return;
+ }
+ }
+ break;
+ }
+}
+
+#if 1
+/* Define a function to log fix data in a readable format */
+static void print_fix_data(struct nrf_modem_gnss_pvt_data_frame *pvt_data)
+{
+ LOG_INF("Latitude: %.06f", pvt_data->latitude);
+ LOG_INF("Longitude: %.06f", pvt_data->longitude);
+ LOG_INF("Altitude: %.01f m", pvt_data->altitude);
+ LOG_INF("Time (UTC): %02u:%02u:%02u.%03u",
+ pvt_data->datetime.hour,
+ pvt_data->datetime.minute,
+ pvt_data->datetime.seconds,
+ pvt_data->datetime.ms);
+}
+
+
+static void gnss_event_handler(int event)
+{
+ int err;
+
+ switch (event) {
+ /* On a PVT event, confirm if PVT data is a valid fix */
+ case NRF_MODEM_GNSS_EVT_PVT:
+ LOG_INF("Searching...");
+ /* Print satellite information */
+ int num_satellites = 0;
+ for (int i = 0; i < 12 ; i++) {
+ if (pvt_data.sv[i].signal != 0) {
+ LOG_INF("sv: %d, cn0: %d", pvt_data.sv[i].sv, pvt_data.sv[i].cn0);
+ num_satellites++;
+ }
+ }
+ LOG_INF("Number of current satellites: %d", num_satellites);
+ err = nrf_modem_gnss_read(&pvt_data, sizeof(pvt_data), NRF_MODEM_GNSS_DATA_PVT);
+ if (err) {
+ LOG_ERR("nrf_modem_gnss_read failed, err %d", err);
+ return;
+ }
+ if (pvt_data.flags & NRF_MODEM_GNSS_PVT_FLAG_FIX_VALID) {
+ dk_set_led_on(DK_LED1);
+ print_fix_data(&pvt_data);
+ /* Print the time to first fix */
+ if (!first_fix) {
+ LOG_INF("Time to first fix: %2.1lld s", (k_uptime_get() - gnss_start_time)/1000);
+ first_fix = true;
+ }
+ return;
+ }
+ break;
+ /* Log when the GNSS sleeps and wakes up */
+ case NRF_MODEM_GNSS_EVT_PERIODIC_WAKEUP:
+ LOG_INF("GNSS has woken up");
+ break;
+ case NRF_MODEM_GNSS_EVT_SLEEP_AFTER_FIX:
+ LOG_INF("GNSS enter sleep after fix");
+ break;
+ default:
+ break;
+ }
+}
+#endif
+
+int main(void)
+{
+ int err;
+ uint32_t connect_attempt = 0;
+
+ LOG_INF("Starting MQTT sample on %s\n", CONFIG_BOARD);
+
+ if (dk_leds_init() != 0) {
+ LOG_ERR("Failed to initialize the LED library");
+ }
+
+ err = modem_configure();
+ if (err) {
+ LOG_ERR("Failed to configure the modem");
+ return 0;
+ }
+
+ if (dk_buttons_init(button_handler) != 0) {
+ LOG_ERR("Failed to initialize the buttons library");
+ }
+
+ err = client_init(&client);
+ if (err) {
+ LOG_ERR("Failed to initialize MQTT client: %d", err);
+ return 0;
+ }
+
+do_connect:
+ if (connect_attempt++ > 0) {
+ LOG_INF("Reconnecting in %d seconds...",
+ CONFIG_MQTT_RECONNECT_DELAY_S);
+ k_sleep(K_SECONDS(CONFIG_MQTT_RECONNECT_DELAY_S));
+ }
+
+ LOG_INF("Connection to broker using mqtt_connect");
+ err = mqtt_connect(&client);
+ if (err) {
+ LOG_ERR("Error in mqtt_connect: %d", err);
+ goto do_connect;
+ }
+
+ err = fds_init(&client,&fds);
+ if (err) {
+ LOG_ERR("Error in fds_init: %d", err);
+ return 0;
+ }
+
+ while (1) {
+ err = poll(&fds, 1, mqtt_keepalive_time_left(&client));
+ if (err < 0) {
+ LOG_ERR("Error in poll(): %d", errno);
+ break;
+ }
+
+ err = mqtt_live(&client);
+ if ((err != 0) && (err != -EAGAIN)) {
+ LOG_ERR("Error in mqtt_live: %d", err);
+ break;
+ }
+
+ if ((fds.revents & POLLIN) == POLLIN) {
+ err = mqtt_input(&client);
+ if (err != 0) {
+ LOG_ERR("Error in mqtt_input: %d", err);
+ break;
+ }
+ }
+
+ if ((fds.revents & POLLERR) == POLLERR) {
+ LOG_ERR("POLLERR");
+ break;
+ }
+
+ if ((fds.revents & POLLNVAL) == POLLNVAL) {
+ LOG_ERR("POLLNVAL");
+ break;
+ }
+ }
+
+ LOG_INF("Disconnecting MQTT client");
+
+ err = mqtt_disconnect(&client);
+ if (err) {
+ LOG_ERR("Could not disconnect MQTT client: %d", err);
+ }
+ goto do_connect;
+
+ /* This is never reached */
+ return 0;
+}
diff --git a/nrfdemo/src/mqtt_connection.c b/nrfdemo/src/mqtt_connection.c
new file mode 100644
index 0000000..ef4e69f
--- /dev/null
+++ b/nrfdemo/src/mqtt_connection.c
@@ -0,0 +1,365 @@
+#include <stdio.h>
+#include <string.h>
+#include <ncs_version.h>
+
+#include <zephyr/logging/log.h>
+#include <zephyr/kernel.h>
+#include <zephyr/net/socket.h>
+#include <zephyr/net/mqtt.h>
+#include <nrf_modem_at.h>
+
+#include <dk_buttons_and_leds.h>
+#include "mqtt_connection.h"
+
+#if NCS_VERSION_NUMBER < 0x20600
+#include <zephyr/random/rand32.h>
+#else
+#include <zephyr/random/random.h>
+#endif
+
+/* Buffers for MQTT client. */
+static uint8_t rx_buffer[CONFIG_MQTT_MESSAGE_BUFFER_SIZE];
+static uint8_t tx_buffer[CONFIG_MQTT_MESSAGE_BUFFER_SIZE];
+static uint8_t payload_buf[CONFIG_MQTT_PAYLOAD_BUFFER_SIZE];
+
+/* MQTT Broker details. */
+static struct sockaddr_storage broker;
+
+LOG_MODULE_DECLARE(mqtt_app);
+
+/**@brief Function to get the payload of recived data.
+ */
+static int get_received_payload(struct mqtt_client *c, size_t length)
+{
+ int ret;
+ int err = 0;
+
+ /* Return an error if the payload is larger than the payload buffer.
+ * Note: To allow new messages, we have to read the payload before returning.
+ */
+ if (length > sizeof(payload_buf)) {
+ err = -EMSGSIZE;
+ }
+
+ /* Truncate payload until it fits in the payload buffer. */
+ while (length > sizeof(payload_buf)) {
+ ret = mqtt_read_publish_payload_blocking(
+ c, payload_buf, (length - sizeof(payload_buf)));
+ if (ret == 0) {
+ return -EIO;
+ } else if (ret < 0) {
+ return ret;
+ }
+
+ length -= ret;
+ }
+
+ ret = mqtt_readall_publish_payload(c, payload_buf, length);
+ if (ret) {
+ return ret;
+ }
+
+ return err;
+}
+
+/**@brief Function to subscribe to the configured topic
+ */
+/* Define the function subscribe() to subscribe to a specific topic. */
+static int subscribe(struct mqtt_client *const c)
+{
+ struct mqtt_topic subscribe_topic = {
+ .topic = {
+ .utf8 = CONFIG_MQTT_SUB_TOPIC,
+ .size = strlen(CONFIG_MQTT_SUB_TOPIC)
+ },
+ .qos = MQTT_QOS_1_AT_LEAST_ONCE
+ };
+
+ const struct mqtt_subscription_list subscription_list = {
+ .list = &subscribe_topic,
+ .list_count = 1,
+ .message_id = 1234
+ };
+
+ LOG_INF("Subscribing to: %s len %u", CONFIG_MQTT_SUB_TOPIC,
+ (unsigned int)strlen(CONFIG_MQTT_SUB_TOPIC));
+
+ return mqtt_subscribe(c, &subscription_list);
+}
+
+/**@brief Function to print strings without null-termination
+ */
+static void data_print(uint8_t *prefix, uint8_t *data, size_t len)
+{
+ char buf[len + 1];
+
+ memcpy(buf, data, len);
+ buf[len] = 0;
+ LOG_INF("%s%s", (char *)prefix, (char *)buf);
+}
+
+/**@brief Function to publish data on the configured topic
+ */
+/* Define the function data_publish() to publish data */
+int data_publish(struct mqtt_client *c, enum mqtt_qos qos,
+ uint8_t *data, size_t len)
+{
+ struct mqtt_publish_param param;
+
+ param.message.topic.qos = qos;
+ param.message.topic.topic.utf8 = CONFIG_MQTT_PUB_TOPIC;
+ param.message.topic.topic.size = strlen(CONFIG_MQTT_PUB_TOPIC);
+ param.message.payload.data = data;
+ param.message.payload.len = len;
+ param.message_id = sys_rand32_get();
+ param.dup_flag = 0;
+ param.retain_flag = 0;
+
+ data_print("Publishing: ", data, len);
+ LOG_INF("to topic: %s len: %u",
+ CONFIG_MQTT_PUB_TOPIC,
+ (unsigned int)strlen(CONFIG_MQTT_PUB_TOPIC));
+
+ return mqtt_publish(c, &param);
+}
+/**@brief MQTT client event handler
+ */
+void mqtt_evt_handler(struct mqtt_client *const c,
+ const struct mqtt_evt *evt)
+{
+ int err;
+
+ switch (evt->type) {
+ case MQTT_EVT_CONNACK:
+ /* Subscribe to the topic CONFIG_MQTT_SUB_TOPIC when we have a successful connection */
+ if (evt->result != 0) {
+ LOG_ERR("MQTT connect failed: %d", evt->result);
+ break;
+ }
+
+ LOG_INF("MQTT client connected");
+ subscribe(c);
+ break;
+
+ case MQTT_EVT_DISCONNECT:
+ LOG_INF("MQTT client disconnected: %d", evt->result);
+ break;
+
+ case MQTT_EVT_PUBLISH:
+ /* Listen to published messages received from the broker and extract the message */
+ {
+ /* Extract the payload */
+ const struct mqtt_publish_param *p = &evt->param.publish;
+ //Print the length of the recived message
+ LOG_INF("MQTT PUBLISH result=%d len=%d",
+ evt->result, p->message.payload.len);
+
+ //Extract the data of the recived message
+ err = get_received_payload(c, p->message.payload.len);
+
+ //Send acknowledgment to the broker on receiving QoS1 publish message
+ if (p->message.topic.qos == MQTT_QOS_1_AT_LEAST_ONCE) {
+ const struct mqtt_puback_param ack = {
+ .message_id = p->message_id
+ };
+
+ /* Send acknowledgment. */
+ mqtt_publish_qos1_ack(c, &ack);
+ }
+
+ /* On successful extraction of data */
+ if (err >= 0) {
+ data_print("Received: ", payload_buf, p->message.payload.len);
+ // Control the LED
+ if(strncmp(payload_buf,CONFIG_TURN_LED_ON_CMD,sizeof(CONFIG_TURN_LED_ON_CMD)-1) == 0){
+ dk_set_led_on(LED_CONTROL_OVER_MQTT);
+ }
+ else if(strncmp(payload_buf,CONFIG_TURN_LED_OFF_CMD,sizeof(CONFIG_TURN_LED_OFF_CMD)-1) == 0){
+ dk_set_led_off(LED_CONTROL_OVER_MQTT);
+ }
+ /* On failed extraction of data */
+ // Payload buffer is smaller than the received data
+ } else if (err == -EMSGSIZE) {
+ LOG_ERR("Received payload (%d bytes) is larger than the payload buffer size (%d bytes).",
+ p->message.payload.len, sizeof(payload_buf));
+ // Failed to extract data, disconnect
+ } else {
+ LOG_ERR("get_received_payload failed: %d", err);
+ LOG_INF("Disconnecting MQTT client...");
+
+ err = mqtt_disconnect(c);
+ if (err) {
+ LOG_ERR("Could not disconnect: %d", err);
+ }
+ }
+ } break;
+
+ case MQTT_EVT_PUBACK:
+ if (evt->result != 0) {
+ LOG_ERR("MQTT PUBACK error: %d", evt->result);
+ break;
+ }
+
+ LOG_INF("PUBACK packet id: %u", evt->param.puback.message_id);
+ break;
+
+ case MQTT_EVT_SUBACK:
+ if (evt->result != 0) {
+ LOG_ERR("MQTT SUBACK error: %d", evt->result);
+ break;
+ }
+
+ LOG_INF("SUBACK packet id: %u", evt->param.suback.message_id);
+ break;
+
+ case MQTT_EVT_PINGRESP:
+ if (evt->result != 0) {
+ LOG_ERR("MQTT PINGRESP error: %d", evt->result);
+ }
+ break;
+
+ default:
+ LOG_INF("Unhandled MQTT event type: %d", evt->type);
+ break;
+ }
+}
+
+/**@brief Resolves the configured hostname and
+ * initializes the MQTT broker structure
+ */
+static int broker_init(void)
+{
+ int err;
+ struct addrinfo *result;
+ struct addrinfo *addr;
+ struct addrinfo hints = {
+ .ai_family = AF_INET,
+ .ai_socktype = SOCK_STREAM
+ };
+
+ err = getaddrinfo(CONFIG_MQTT_BROKER_HOSTNAME, NULL, &hints, &result);
+ if (err) {
+ LOG_ERR("getaddrinfo failed: %d", err);
+ return -ECHILD;
+ }
+
+ addr = result;
+
+ /* Look for address of the broker. */
+ while (addr != NULL) {
+ /* IPv4 Address. */
+ if (addr->ai_addrlen == sizeof(struct sockaddr_in)) {
+ struct sockaddr_in *broker4 =
+ ((struct sockaddr_in *)&broker);
+ char ipv4_addr[NET_IPV4_ADDR_LEN];
+
+ broker4->sin_addr.s_addr =
+ ((struct sockaddr_in *)addr->ai_addr)
+ ->sin_addr.s_addr;
+ broker4->sin_family = AF_INET;
+ broker4->sin_port = htons(CONFIG_MQTT_BROKER_PORT);
+
+ inet_ntop(AF_INET, &broker4->sin_addr.s_addr,
+ ipv4_addr, sizeof(ipv4_addr));
+ LOG_INF("IPv4 Address found %s", (char *)(ipv4_addr));
+
+ break;
+ } else {
+ LOG_ERR("ai_addrlen = %u should be %u or %u",
+ (unsigned int)addr->ai_addrlen,
+ (unsigned int)sizeof(struct sockaddr_in),
+ (unsigned int)sizeof(struct sockaddr_in6));
+ }
+
+ addr = addr->ai_next;
+ }
+
+ /* Free the address. */
+ freeaddrinfo(result);
+
+ return err;
+}
+
+/* Function to get the client id */
+static const uint8_t* client_id_get(void)
+{
+ static uint8_t client_id[MAX(sizeof(CONFIG_MQTT_CLIENT_ID),
+ CLIENT_ID_LEN)];
+
+ if (strlen(CONFIG_MQTT_CLIENT_ID) > 0) {
+ snprintf(client_id, sizeof(client_id), "%s",
+ CONFIG_MQTT_CLIENT_ID);
+ goto exit;
+ }
+
+ char imei_buf[CGSN_RESPONSE_LENGTH + 1];
+ int err;
+
+ err = nrf_modem_at_cmd(imei_buf, sizeof(imei_buf), "AT+CGSN");
+ if (err) {
+ LOG_ERR("Failed to obtain IMEI, error: %d", err);
+ goto exit;
+ }
+
+ imei_buf[IMEI_LEN] = '\0';
+
+ snprintf(client_id, sizeof(client_id), "nrf-%.*s", IMEI_LEN, imei_buf);
+
+exit:
+ LOG_DBG("client_id = %s", (char *)(client_id));
+
+ return client_id;
+}
+
+
+/**@brief Initialize the MQTT client structure
+ */
+/* Define the function client_init() to initialize the MQTT client instance. */
+int client_init(struct mqtt_client *client)
+{
+ int err;
+ /* Initializes the client instance. */
+ mqtt_client_init(client);
+
+ /* Resolves the configured hostname and initializes the MQTT broker structure */
+ err = broker_init();
+ if (err) {
+ LOG_ERR("Failed to initialize broker connection");
+ return err;
+ }
+
+ /* MQTT client configuration */
+ client->broker = &broker;
+ client->evt_cb = mqtt_evt_handler;
+ client->client_id.utf8 = client_id_get();
+ client->client_id.size = strlen(client->client_id.utf8);
+ client->password = NULL;
+ client->user_name = NULL;
+ client->protocol_version = MQTT_VERSION_3_1_1;
+
+ /* MQTT buffers configuration */
+ client->rx_buf = rx_buffer;
+ client->rx_buf_size = sizeof(rx_buffer);
+ client->tx_buf = tx_buffer;
+ client->tx_buf_size = sizeof(tx_buffer);
+
+ /* We are not using TLS */
+ client->transport.type = MQTT_TRANSPORT_NON_SECURE;
+
+ return err;
+}
+
+/**@brief Initialize the file descriptor structure used by poll.
+ */
+int fds_init(struct mqtt_client *c, struct pollfd *fds)
+{
+ if (c->transport.type == MQTT_TRANSPORT_NON_SECURE) {
+ fds->fd = c->transport.tcp.sock;
+ } else {
+ return -ENOTSUP;
+ }
+
+ fds->events = POLLIN;
+
+ return 0;
+} \ No newline at end of file
diff --git a/nrfdemo/src/mqtt_connection.h b/nrfdemo/src/mqtt_connection.h
new file mode 100644
index 0000000..51765e8
--- /dev/null
+++ b/nrfdemo/src/mqtt_connection.h
@@ -0,0 +1,21 @@
+#ifndef _MQTTCONNECTION_H_
+#define _MQTTCONNECTION_H_
+#define LED_CONTROL_OVER_MQTT DK_LED1 /* Stratus LED to control over MQTT */
+#define IMEI_LEN 15
+#define CGSN_RESPONSE_LENGTH (IMEI_LEN + 6 + 1) /* Add 6 for \r\nOK\r\n and 1 for \0 */
+#define CLIENT_ID_LEN sizeof("nrf-") + IMEI_LEN
+
+/**@brief Initialize the MQTT client structure
+ */
+int client_init(struct mqtt_client *client);
+
+/**@brief Initialize the file descriptor structure used by poll.
+ */
+int fds_init(struct mqtt_client *c, struct pollfd *fds);
+
+/**@brief Function to publish data on the configured topic
+ */
+int data_publish(struct mqtt_client *c, enum mqtt_qos qos,
+ uint8_t *data, size_t len);
+
+#endif /* _CONNECTION_H_ */
generated by cgit v1.2.3 (git 2.46.0) at 2026-09-22 20:43:09 +0000