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

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// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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"
#include "esp_openthread_defaults.h"
#include "esp_openthread_lock.h"
#include "esp_openthread_netif_glue.h"
#include "esp_openthread_types.h"
#include "esp_vfs_eventfd.h"
#include "esp_wifi.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include "sdkconfig.h"
#include "driver/uart.h"
#include "freertos/FreeRTOS.h"
#include "freertos/portmacro.h"
#include "freertos/task.h"
#include "hal/uart_types.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/tasklet.h"
#include "openthread/thread.h"
#include "openthread/thread_ftd.h"
#define TAG "esp_ot_br"
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;
uint16_t network_name_len = strnlen(CONFIG_OPENTHREAD_NETWORK_NAME, OT_NETWORK_NAME_MAX_SIZE + 1);
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.mMasterKey.m8,
sizeof(dataset.mMasterKey.m8)) != sizeof(dataset.mMasterKey.m8)) {
ESP_LOGE(TAG, "Cannot convert OpenThread master key. Please double-check your config.");
abort();
}
dataset.mComponents.mIsMasterKeyPresent = 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();
}
if (otBorderRouterRegister(instance) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to register border router.");
abort();
}
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();
}
return;
}
static void ot_task_worker(void *aContext)
{
esp_openthread_platform_config_t config = {
.radio_config = ESP_OPENTHREAD_DEFAULT_RADIO_UART_RCP_CONFIG(4, 5),
.host_config = ESP_OPENTHREAD_DEFAULT_UART_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_ERROR_CHECK(esp_netif_attach(openthread_netif, esp_openthread_netif_glue_init(&config)));
ESP_ERROR_CHECK(esp_openthread_border_router_init(get_example_netif()));
esp_openthread_lock_acquire(portMAX_DELAY);
create_config_network(esp_openthread_get_instance());
esp_openthread_lock_release();
// Run the main loop
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
esp_vfs_eventfd_config_t eventfd_config = {
.max_fds = 2,
};
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());
ESP_ERROR_CHECK(example_connect());
ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
xTaskCreate(ot_task_worker, "ot_br_main", 20480, xTaskGetCurrentTaskHandle(), 5, NULL);
}