esp-idf/examples/openthread/ot_sleepy_device/light_sleep/main/esp_ot_sleepy_device.c

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6.8 KiB
C

/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
* OpenThread Command Line 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 <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "esp_err.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_openthread.h"
#include "esp_openthread_cli.h"
#include "esp_openthread_lock.h"
#include "esp_openthread_netif_glue.h"
#include "esp_ot_sleepy_device_config.h"
#include "esp_vfs_eventfd.h"
#include "driver/uart.h"
#include "nvs_flash.h"
#include "openthread/logging.h"
#include "openthread/thread.h"
#if CONFIG_ESP_SLEEP_DEBUG
#include "esp_timer.h"
#include "esp_sleep.h"
#include "esp_private/esp_pmu.h"
#include "esp_private/esp_sleep_internal.h"
#endif
#ifdef CONFIG_PM_ENABLE
#include "esp_pm.h"
#endif
#if !SOC_IEEE802154_SUPPORTED
#error "Openthread sleepy device is only supported for the SoCs which have IEEE 802.15.4 module"
#endif
#define TAG "ot_esp_power_save"
static esp_pm_lock_handle_t s_cli_pm_lock = NULL;
#if CONFIG_OPENTHREAD_AUTO_START
static void create_config_network(otInstance *instance)
{
otLinkModeConfig linkMode = { 0 };
linkMode.mRxOnWhenIdle = false;
linkMode.mDeviceType = false;
linkMode.mNetworkData = false;
if (otLinkSetPollPeriod(instance, CONFIG_OPENTHREAD_NETWORK_POLLPERIOD_TIME) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to set OpenThread pollperiod.");
abort();
}
if (otThreadSetLinkMode(instance, linkMode) != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to set OpenThread linkmode.");
abort();
}
otOperationalDatasetTlvs dataset;
otError error = otDatasetGetActiveTlvs(esp_openthread_get_instance(), &dataset);
ESP_ERROR_CHECK(esp_openthread_auto_start((error == OT_ERROR_NONE) ? &dataset : NULL));
}
#endif // CONFIG_OPENTHREAD_AUTO_START
static esp_err_t esp_openthread_sleep_device_init(void)
{
esp_err_t ret = ESP_OK;
ret = esp_pm_lock_create(ESP_PM_CPU_FREQ_MAX, 0, "otcli", &s_cli_pm_lock);
if (ret == ESP_OK) {
esp_pm_lock_acquire(s_cli_pm_lock);
ESP_LOGI(TAG, "Successfully created CLI pm lock");
} else {
if (s_cli_pm_lock != NULL) {
esp_pm_lock_delete(s_cli_pm_lock);
s_cli_pm_lock = NULL;
}
ESP_LOGI(TAG, " Failed to create CLI pm lock");
}
return ret;
}
static void process_state_change(otChangedFlags flags, void* context)
{
otDeviceRole ot_device_role = otThreadGetDeviceRole(esp_openthread_get_instance());
if(ot_device_role == OT_DEVICE_ROLE_CHILD) {
if (s_cli_pm_lock != NULL) {
esp_pm_lock_release(s_cli_pm_lock);
esp_pm_lock_delete(s_cli_pm_lock);
s_cli_pm_lock = NULL;
}
}
}
static esp_netif_t *init_openthread_netif(const esp_openthread_platform_config_t *config)
{
esp_netif_config_t cfg = ESP_NETIF_DEFAULT_OPENTHREAD();
esp_netif_t *netif = esp_netif_new(&cfg);
assert(netif != NULL);
ESP_ERROR_CHECK(esp_netif_attach(netif, esp_openthread_netif_glue_init(config)));
return netif;
}
#if CONFIG_ESP_SLEEP_DEBUG
static esp_sleep_context_t s_sleep_ctx;
static void print_sleep_flag(void *arg)
{
ESP_LOGD(TAG, "sleep_flags %lu", s_sleep_ctx.sleep_flags);
ESP_LOGD(TAG, "PMU_SLEEP_PD_TOP: %s", (s_sleep_ctx.sleep_flags & PMU_SLEEP_PD_TOP) ? "True":"False");
ESP_LOGD(TAG, "PMU_SLEEP_PD_MODEM: %s", (s_sleep_ctx.sleep_flags & PMU_SLEEP_PD_MODEM) ? "True":"False");
}
#endif
static void ot_task_worker(void *aContext)
{
otError ret;
esp_openthread_platform_config_t config = {
.radio_config = ESP_OPENTHREAD_DEFAULT_RADIO_CONFIG(),
.host_config = ESP_OPENTHREAD_DEFAULT_HOST_CONFIG(),
.port_config = ESP_OPENTHREAD_DEFAULT_PORT_CONFIG(),
};
// Initialize the OpenThread stack
ESP_ERROR_CHECK(esp_openthread_init(&config));
esp_openthread_lock_acquire(portMAX_DELAY);
ret = otSetStateChangedCallback(esp_openthread_get_instance(), process_state_change, esp_openthread_get_instance());
esp_openthread_lock_release();
if(ret != OT_ERROR_NONE) {
ESP_LOGE(TAG, "Failed to set state changed callback");
}
#if CONFIG_OPENTHREAD_LOG_LEVEL_DYNAMIC
// The OpenThread log level directly matches ESP log level
(void)otLoggingSetLevel(CONFIG_LOG_DEFAULT_LEVEL);
#endif
// Initialize the OpenThread cli
#if CONFIG_OPENTHREAD_CLI
esp_openthread_cli_init();
#endif
esp_netif_t *openthread_netif;
// Initialize the esp_netif bindings
openthread_netif = init_openthread_netif(&config);
esp_netif_set_default_netif(openthread_netif);
#if CONFIG_OPENTHREAD_AUTO_START
create_config_network(esp_openthread_get_instance());
#endif // CONFIG_OPENTHREAD_AUTO_START
#if CONFIG_OPENTHREAD_CLI
esp_openthread_cli_create_task();
#endif
#if CONFIG_ESP_SLEEP_DEBUG
esp_sleep_set_sleep_context(&s_sleep_ctx);
esp_log_level_set(TAG, ESP_LOG_DEBUG);
// create a timer to print the status of sleepy device
int periods = 2000;
const esp_timer_create_args_t timer_args = {
.name = "print_sleep_flag",
.arg = NULL,
.callback = &print_sleep_flag,
.skip_unhandled_events = true,
};
esp_timer_handle_t periodic_timer;
ESP_ERROR_CHECK(esp_timer_create(&timer_args, &periodic_timer));
ESP_ERROR_CHECK(esp_timer_start_periodic(periodic_timer, periods * 1000));
#endif
// Run the main loop
esp_openthread_launch_mainloop();
// Clean up
esp_openthread_netif_glue_deinit();
esp_netif_destroy(openthread_netif);
esp_vfs_eventfd_unregister();
vTaskDelete(NULL);
}
static esp_err_t ot_power_save_init(void)
{
esp_err_t rc = ESP_OK;
#ifdef CONFIG_PM_ENABLE
int cur_cpu_freq_mhz = CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ;
esp_pm_config_t pm_config = {
.max_freq_mhz = cur_cpu_freq_mhz,
.min_freq_mhz = cur_cpu_freq_mhz,
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
.light_sleep_enable = true
#endif
};
rc = esp_pm_configure(&pm_config);
#endif
return rc;
}
void app_main(void)
{
// Used eventfds:
// * netif
// * ot task queue
// * radio driver
esp_vfs_eventfd_config_t eventfd_config = {
.max_fds = 3,
};
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_vfs_eventfd_register(&eventfd_config));
ESP_ERROR_CHECK(ot_power_save_init());
ESP_ERROR_CHECK(esp_openthread_sleep_device_init());
xTaskCreate(ot_task_worker, "ot_power_save_main", 4096, NULL, 5, NULL);
}