esp-idf/examples/openthread/ot_br/main/esp_ot_br.c

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/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
* OpenThread Border Router Example
*
* This example code is in the Public Domain (or CC0 licensed, at your option.)
*
* Unless required by applicable law or agreed to in writing, this
* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied.
*/
#include <stdio.h>
#include <string.h>
#include "esp_check.h"
#include "esp_err.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_netif.h"
#include "esp_netif_ip_addr.h"
#include "esp_netif_net_stack.h"
#include "esp_openthread.h"
#include "esp_openthread_border_router.h"
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#include "esp_openthread_cli.h"
#include "esp_openthread_lock.h"
#include "esp_openthread_netif_glue.h"
#include "esp_openthread_types.h"
#include "esp_ot_cli_extension.h"
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#include "esp_ot_config.h"
#include "esp_ot_wifi_cmd.h"
#include "esp_vfs_dev.h"
#include "esp_vfs_eventfd.h"
#include "esp_wifi.h"
#include "mdns.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include "sdkconfig.h"
#include "driver/uart.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "hal/uart_types.h"
#include "openthread/backbone_router_ftd.h"
#include "openthread/border_router.h"
#include "openthread/cli.h"
#include "openthread/dataset.h"
#include "openthread/dataset_ftd.h"
#include "openthread/dataset_updater.h"
#include "openthread/error.h"
#include "openthread/instance.h"
#include "openthread/ip6.h"
#include "openthread/logging.h"
#include "openthread/tasklet.h"
#include "openthread/thread_ftd.h"
#define TAG "esp_ot_br"
#if CONFIG_OPENTHREAD_BR_AUTO_START
static int hex_digit_to_int(char hex)
{
if ('A' <= hex && hex <= 'F') {
return 10 + hex - 'A';
}
if ('a' <= hex && hex <= 'f') {
return 10 + hex - 'a';
}
if ('0' <= hex && hex <= '9') {
return hex - '0';
}
return -1;
}
static size_t hex_string_to_binary(const char *hex_string, uint8_t *buf, size_t buf_size)
{
int num_char = strlen(hex_string);
if (num_char != buf_size * 2) {
return 0;
}
for (size_t i = 0; i < num_char; i += 2) {
int digit0 = hex_digit_to_int(hex_string[i]);
int digit1 = hex_digit_to_int(hex_string[i + 1]);
if (digit0 < 0 || digit1 < 0) {
return 0;
}
buf[i / 2] = (digit0 << 4) + digit1;
}
return buf_size;
}
static void create_config_network(otInstance *instance)
{
otOperationalDataset dataset;
if (otDatasetGetActive(instance, &dataset) == OT_ERROR_NONE) {
ESP_LOGI(TAG, "Already has network, skip configuring OpenThread network.");
return;
}
uint16_t network_name_len = strlen(CONFIG_OPENTHREAD_NETWORK_NAME);
assert(network_name_len <= OT_NETWORK_NAME_MAX_SIZE);
if (otDatasetCreateNewNetwork(instance, &dataset) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to create OpenThread network dataset.");
abort();
}
dataset.mChannel = CONFIG_OPENTHREAD_NETWORK_CHANNEL;
dataset.mComponents.mIsChannelPresent = true;
dataset.mPanId = CONFIG_OPENTHREAD_NETWORK_PANID;
dataset.mComponents.mIsPanIdPresent = true;
memcpy(dataset.mNetworkName.m8, CONFIG_OPENTHREAD_NETWORK_NAME, network_name_len);
dataset.mComponents.mIsNetworkNamePresent = true;
if (hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_EXTPANID, dataset.mExtendedPanId.m8,
sizeof(dataset.mExtendedPanId.m8)) != sizeof(dataset.mExtendedPanId.m8)) {
ESP_LOGE(TAG, "Cannot convert OpenThread extended pan id. Please double-check your config.");
abort();
}
dataset.mComponents.mIsExtendedPanIdPresent = true;
if (hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_MASTERKEY, dataset.mNetworkKey.m8,
sizeof(dataset.mNetworkKey.m8)) != sizeof(dataset.mNetworkKey.m8)) {
ESP_LOGE(TAG, "Cannot convert OpenThread master key. Please double-check your config.");
abort();
}
dataset.mComponents.mIsNetworkKeyPresent = true;
if (hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_PSKC, dataset.mPskc.m8, sizeof(dataset.mPskc.m8)) !=
sizeof(dataset.mPskc.m8)) {
ESP_LOGE(TAG, "Cannot convert OpenThread pre-shared commissioner key. Please double-check your config.");
abort();
}
dataset.mComponents.mIsPskcPresent = true;
if (otDatasetSetActive(instance, &dataset) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to set OpenThread active dataset.");
abort();
}
return;
}
static void launch_openthread_network(otInstance *instance)
{
if (otIp6SetEnabled(instance, true) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to enable OpenThread IP6 link");
abort();
}
if (otThreadSetEnabled(instance, true) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to enable OpenThread");
abort();
}
if (otBorderRouterRegister(instance) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to register border router.");
abort();
}
otBackboneRouterSetEnabled(instance, true);
}
#endif // CONFIG_OPENTHREAD_BR_AUTO_START
static void ot_task_worker(void *aContext)
{
esp_openthread_platform_config_t config = {
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.radio_config = ESP_OPENTHREAD_DEFAULT_RADIO_CONFIG(),
.host_config = ESP_OPENTHREAD_DEFAULT_HOST_CONFIG(),
.port_config = ESP_OPENTHREAD_DEFAULT_PORT_CONFIG(),
};
esp_netif_config_t cfg = ESP_NETIF_DEFAULT_OPENTHREAD();
esp_netif_t *openthread_netif = esp_netif_new(&cfg);
assert(openthread_netif != NULL);
// Initialize the OpenThread stack
ESP_ERROR_CHECK(esp_openthread_init(&config));
// Initialize border routing features
esp_openthread_lock_acquire(portMAX_DELAY);
ESP_ERROR_CHECK(esp_netif_attach(openthread_netif, esp_openthread_netif_glue_init(&config)));
(void)otLoggingSetLevel(CONFIG_LOG_DEFAULT_LEVEL);
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esp_openthread_cli_init();
#if CONFIG_OPENTHREAD_BR_AUTO_START
ESP_ERROR_CHECK(esp_openthread_border_router_init());
create_config_network(esp_openthread_get_instance());
launch_openthread_network(esp_openthread_get_instance());
#endif // CONFIG_OPENTHREAD_BR_AUTO_START
esp_cli_custom_command_init();
esp_openthread_lock_release();
// Run the main loop
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esp_openthread_cli_create_task();
esp_openthread_launch_mainloop();
// Clean up
esp_netif_destroy(openthread_netif);
esp_openthread_netif_glue_deinit();
esp_vfs_eventfd_unregister();
vTaskDelete(NULL);
}
void app_main(void)
{
// Used eventfds:
// * netif
// * task queue
// * border router
esp_vfs_eventfd_config_t eventfd_config = {
#if CONFIG_OPENTHREAD_RADIO_NATIVE
// * radio driver (A native radio device needs a eventfd for radio driver.)
.max_fds = 4,
#else
.max_fds = 3,
#endif
};
ESP_ERROR_CHECK(esp_vfs_eventfd_register(&eventfd_config));
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
#if CONFIG_EXAMPLE_CONNECT_WIFI
#if CONFIG_OPENTHREAD_BR_AUTO_START
ESP_ERROR_CHECK(example_connect());
ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
esp_openthread_set_backbone_netif(get_example_netif());
#else
esp_ot_wifi_netif_init();
esp_openthread_set_backbone_netif(esp_netif_get_handle_from_ifkey("WIFI_STA_DEF"));
#endif // CONFIG_OPENTHREAD_BR_AUTO_START
#elif CONFIG_EXAMPLE_CONNECT_ETHERNET
ESP_ERROR_CHECK(example_connect());
esp_openthread_set_backbone_netif(get_example_netif());
#else
ESP_LOGE(TAG, "ESP-Openthread has not set backbone netif");
#endif // CONFIG_EXAMPLE_CONNECT_WIFI
ESP_ERROR_CHECK(mdns_init());
ESP_ERROR_CHECK(mdns_hostname_set("esp-ot-br"));
xTaskCreate(ot_task_worker, "ot_br_main", 20480, xTaskGetCurrentTaskHandle(), 5, NULL);
}