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/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_openthread.h"
#include "esp_check.h"
#include "esp_openthread_border_router.h"
#include "esp_openthread_common_macro.h"
#include "esp_openthread_dns64.h"
#include "esp_openthread_lock.h"
#include "esp_openthread_platform.h"
#include "esp_openthread_sleep.h"
#include "esp_openthread_state.h"
#include "esp_openthread_task_queue.h"
#include "esp_openthread_types.h"
#include "freertos/FreeRTOS.h"
#include "lwip/dns.h"
#include "openthread/instance.h"
#include "openthread/netdata.h"
#include "openthread/tasklet.h"
#include "openthread/thread.h"
#if CONFIG_OPENTHREAD_FTD
#include "openthread/dataset_ftd.h"
#endif
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;
}
esp_err_t esp_openthread_init(const esp_openthread_platform_config_t *config)
{
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE
ESP_RETURN_ON_ERROR(esp_openthread_sleep_init(), OT_PLAT_LOG_TAG,
"Failed to initialize OpenThread esp pm_lock");
#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE */
ESP_RETURN_ON_ERROR(esp_openthread_platform_init(config), OT_PLAT_LOG_TAG,
"Failed to initialize OpenThread platform driver");
esp_openthread_lock_acquire(portMAX_DELAY);
ESP_RETURN_ON_FALSE(otInstanceInitSingle() != NULL, ESP_FAIL, OT_PLAT_LOG_TAG,
"Failed to initialize OpenThread instance");
#if CONFIG_OPENTHREAD_DNS64_CLIENT
ESP_RETURN_ON_ERROR(esp_openthread_dns64_client_init(), OT_PLAT_LOG_TAG,
"Failed to initialize OpenThread dns64 client");
#endif
#if !CONFIG_OPENTHREAD_RADIO
ESP_RETURN_ON_ERROR(esp_openthread_state_event_init(esp_openthread_get_instance()), OT_PLAT_LOG_TAG,
"Failed to initialize OpenThread state event");
#endif
esp_openthread_lock_release();
return ESP_OK;
}
esp_err_t esp_openthread_auto_start(otOperationalDatasetTlvs *datasetTlvs)
{
otInstance *instance = esp_openthread_get_instance();
if (datasetTlvs) {
ESP_RETURN_ON_FALSE(otDatasetSetActiveTlvs(instance, datasetTlvs) == OT_ERROR_NONE, ESP_FAIL, OT_PLAT_LOG_TAG,
"Failed to set OpenThread active dataset");
} else {
otOperationalDataset dataset;
size_t len = 0;
#if CONFIG_OPENTHREAD_FTD
otDatasetCreateNewNetwork(instance, &dataset);
#else
memset(&dataset, 0, sizeof(otOperationalDataset));
#endif
// Active timestamp
dataset.mActiveTimestamp.mSeconds = 1;
dataset.mActiveTimestamp.mTicks = 0;
dataset.mActiveTimestamp.mAuthoritative = false;
dataset.mComponents.mIsActiveTimestampPresent = true;
// Channel, Pan ID, Network Name
dataset.mChannel = CONFIG_OPENTHREAD_NETWORK_CHANNEL;
dataset.mComponents.mIsChannelPresent = true;
dataset.mPanId = CONFIG_OPENTHREAD_NETWORK_PANID;
dataset.mComponents.mIsPanIdPresent = true;
len = strlen(CONFIG_OPENTHREAD_NETWORK_NAME);
assert(len <= OT_NETWORK_NAME_MAX_SIZE);
memcpy(dataset.mNetworkName.m8, CONFIG_OPENTHREAD_NETWORK_NAME, len + 1);
dataset.mComponents.mIsNetworkNamePresent = true;
// Extended Pan ID
len = hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_EXTPANID, dataset.mExtendedPanId.m8,
sizeof(dataset.mExtendedPanId.m8));
ESP_RETURN_ON_FALSE(len == sizeof(dataset.mExtendedPanId.m8), ESP_FAIL, OT_PLAT_LOG_TAG,
"Cannot convert OpenThread extended pan id");
dataset.mComponents.mIsExtendedPanIdPresent = true;
// Mesh Local Prefix
otIp6Prefix prefix;
memset(&prefix, 0, sizeof(otIp6Prefix));
if (otIp6PrefixFromString(CONFIG_OPENTHREAD_MESH_LOCAL_PREFIX, &prefix) == OT_ERROR_NONE) {
memcpy(dataset.mMeshLocalPrefix.m8, prefix.mPrefix.mFields.m8, sizeof(dataset.mMeshLocalPrefix.m8));
dataset.mComponents.mIsMeshLocalPrefixPresent = true;
} else {
ESP_LOGE("Failed to parse mesh local prefix", CONFIG_OPENTHREAD_MESH_LOCAL_PREFIX);
}
// Network Key
len = hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_MASTERKEY, dataset.mNetworkKey.m8,
sizeof(dataset.mNetworkKey.m8));
ESP_RETURN_ON_FALSE(len == sizeof(dataset.mNetworkKey.m8), ESP_FAIL, OT_PLAT_LOG_TAG,
"Cannot convert OpenThread master key");
dataset.mComponents.mIsNetworkKeyPresent = true;
// PSKc
len = hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_PSKC, dataset.mPskc.m8, sizeof(dataset.mPskc.m8));
ESP_RETURN_ON_FALSE(len == sizeof(dataset.mPskc.m8), ESP_FAIL, OT_PLAT_LOG_TAG,
"Cannot convert OpenThread pre-shared commissioner key");
dataset.mComponents.mIsPskcPresent = true;
ESP_RETURN_ON_FALSE(otDatasetSetActive(instance, &dataset) == OT_ERROR_NONE, ESP_FAIL, OT_PLAT_LOG_TAG,
"Failed to set OpenThread active dataset");
}
ESP_RETURN_ON_FALSE(otIp6SetEnabled(instance, true) == OT_ERROR_NONE, ESP_FAIL, OT_PLAT_LOG_TAG,
"Failed to enable OpenThread IPv6 interface");
ESP_RETURN_ON_FALSE(otThreadSetEnabled(instance, true) == OT_ERROR_NONE, ESP_FAIL, OT_PLAT_LOG_TAG,
"Failed to enable OpenThread");
return ESP_OK;
}
esp_err_t esp_openthread_launch_mainloop(void)
{
esp_openthread_mainloop_context_t mainloop;
otInstance *instance = esp_openthread_get_instance();
esp_err_t error = ESP_OK;
while (true) {
FD_ZERO(&mainloop.read_fds);
FD_ZERO(&mainloop.write_fds);
FD_ZERO(&mainloop.error_fds);
mainloop.max_fd = -1;
mainloop.timeout.tv_sec = 10;
mainloop.timeout.tv_usec = 0;
esp_openthread_lock_acquire(portMAX_DELAY);
esp_openthread_platform_update(&mainloop);
if (otTaskletsArePending(instance)) {
mainloop.timeout.tv_sec = 0;
mainloop.timeout.tv_usec = 0;
}
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE
esp_openthread_sleep_process();
#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE */
esp_openthread_lock_release();
if (select(mainloop.max_fd + 1, &mainloop.read_fds, &mainloop.write_fds, &mainloop.error_fds,
&mainloop.timeout) >= 0) {
esp_openthread_lock_acquire(portMAX_DELAY);
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE
esp_openthread_wakeup_process();
#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE && CONFIG_OPENTHREAD_RADIO_NATIVE */
error = esp_openthread_platform_process(instance, &mainloop);
while (otTaskletsArePending(instance)) {
otTaskletsProcess(instance);
}
esp_openthread_lock_release();
if (error != ESP_OK) {
ESP_LOGE(OT_PLAT_LOG_TAG, "esp_openthread_platform_process failed");
break;
}
} else {
error = ESP_FAIL;
ESP_LOGE(OT_PLAT_LOG_TAG, "OpenThread system polling failed");
break;
}
}
return error;
}
esp_err_t esp_openthread_deinit(void)
{
otInstanceFinalize(esp_openthread_get_instance());
return esp_openthread_platform_deinit();
}
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