526a3e49ed
* Add an API for peripherals to set callbacks to skip light sleep * Make WiFi power save example work
202 lines
6.3 KiB
C
202 lines
6.3 KiB
C
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <esp_event.h>
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#include <esp_wifi.h>
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#include "esp_log.h"
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#include "esp_private/wifi.h"
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#include "esp_pm.h"
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#include "esp_sleep.h"
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#include "esp_private/pm_impl.h"
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#include "soc/rtc.h"
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#include "esp_wpa.h"
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#include "esp_netif.h"
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#include "tcpip_adapter_compatible/tcpip_adapter_compat.h"
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#include "driver/adc2_wifi_private.h"
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#if (CONFIG_ESP32_WIFI_RX_BA_WIN > CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM)
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#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than WIFI_DYNAMIC_RX_BUFFER_NUM!"
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#endif
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#if (CONFIG_ESP32_WIFI_RX_BA_WIN > (CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM << 1))
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#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than double of the WIFI_STATIC_RX_BUFFER_NUM!"
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#endif
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ESP_EVENT_DEFINE_BASE(WIFI_EVENT);
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#ifdef CONFIG_PM_ENABLE
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static esp_pm_lock_handle_t s_wifi_modem_sleep_lock;
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#endif
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#if CONFIG_IDF_TARGET_ESP32
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/* Callback function to update WiFi MAC time */
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wifi_mac_time_update_cb_t s_wifi_mac_time_update_cb = NULL;
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#endif
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/* Set additional WiFi features and capabilities */
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uint64_t g_wifi_feature_caps =
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#if CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE
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CONFIG_FEATURE_WPA3_SAE_BIT |
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#endif
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0;
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static const char* TAG = "wifi_init";
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static void __attribute__((constructor)) s_set_default_wifi_log_level(void)
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{
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/* WiFi libraries aren't compiled to know CONFIG_LOG_DEFAULT_LEVEL,
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so set it at runtime startup. Done here not in esp_wifi_init() to allow
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the user to set the level again before esp_wifi_init() is called.
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*/
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esp_log_level_set("wifi", CONFIG_LOG_DEFAULT_LEVEL);
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esp_log_level_set("mesh", CONFIG_LOG_DEFAULT_LEVEL);
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}
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static void esp_wifi_set_debug_log(void)
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{
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/* set WiFi log level and module */
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_ENABLE
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uint32_t g_wifi_log_level = WIFI_LOG_INFO;
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uint32_t g_wifi_log_module = 0;
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uint32_t g_wifi_log_submodule = 0;
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_DEBUG
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g_wifi_log_level = WIFI_LOG_DEBUG;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_VERBOSE
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g_wifi_log_level = WIFI_LOG_VERBOSE;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_ALL
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g_wifi_log_module = WIFI_LOG_MODULE_ALL;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_WIFI
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g_wifi_log_module = WIFI_LOG_MODULE_WIFI;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_COEX
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g_wifi_log_module = WIFI_LOG_MODULE_COEX;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_MESH
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g_wifi_log_module = WIFI_LOG_MODULE_MESH;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_ALL
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g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_ALL;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_INIT
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g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_INIT;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_IOCTL
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g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_IOCTL;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_CONN
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g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_CONN;
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#endif
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#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_SCAN
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g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_SCAN;
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#endif
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esp_wifi_internal_set_log_level(g_wifi_log_level);
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esp_wifi_internal_set_log_mod(g_wifi_log_module, g_wifi_log_submodule, true);
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#endif /* CONFIG_ESP32_WIFI_DEBUG_LOG_ENABLE*/
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}
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esp_err_t esp_wifi_deinit(void)
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{
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esp_err_t err = ESP_OK;
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esp_supplicant_deinit();
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err = esp_wifi_deinit_internal();
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Failed to deinit Wi-Fi driver (0x%x)", err);
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return err;
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}
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#if CONFIG_ESP_NETIF_TCPIP_ADAPTER_COMPATIBLE_LAYER
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tcpip_adapter_clear_default_wifi_handlers();
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#endif
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#if CONFIG_IDF_TARGET_ESP32S2
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#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
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esp_pm_unregister_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
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#endif
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#endif
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return err;
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}
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esp_err_t esp_wifi_init(const wifi_init_config_t *config)
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{
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#ifdef CONFIG_PM_ENABLE
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if (s_wifi_modem_sleep_lock == NULL) {
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esp_err_t err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "wifi",
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&s_wifi_modem_sleep_lock);
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if (err != ESP_OK) {
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return err;
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}
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}
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#endif
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#if CONFIG_IDF_TARGET_ESP32S2
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#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
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esp_err_t ret = esp_pm_register_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to register skip light sleep callback (0x%x)", ret);
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return ret;
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}
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esp_sleep_enable_wifi_wakeup();
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#endif
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#endif
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#if CONFIG_ESP_NETIF_TCPIP_ADAPTER_COMPATIBLE_LAYER
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esp_err_t err = tcpip_adapter_set_default_wifi_handlers();
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "Failed to set default Wi-Fi event handlers (0x%x)", err);
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}
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#endif
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esp_err_t result = esp_wifi_init_internal(config);
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if (result == ESP_OK) {
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esp_wifi_set_debug_log();
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#if CONFIG_IDF_TARGET_ESP32
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s_wifi_mac_time_update_cb = esp_wifi_internal_update_mac_time;
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#endif
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result = esp_supplicant_init();
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if (result != ESP_OK) {
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ESP_LOGE(TAG, "Failed to init supplicant (0x%x)", result);
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esp_err_t deinit_ret = esp_wifi_deinit();
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if (deinit_ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to deinit Wi-Fi (0x%x)", deinit_ret);
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}
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return result;
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}
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}
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#if CONFIG_IDF_TARGET_ESP32S2
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adc2_cal_include(); //This enables the ADC2 calibration constructor at start up.
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#endif
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return result;
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}
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#ifdef CONFIG_PM_ENABLE
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void wifi_apb80m_request(void)
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{
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assert(s_wifi_modem_sleep_lock);
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esp_pm_lock_acquire(s_wifi_modem_sleep_lock);
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if (rtc_clk_apb_freq_get() != APB_CLK_FREQ) {
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ESP_LOGE(__func__, "WiFi needs 80MHz APB frequency to work, but got %dHz", rtc_clk_apb_freq_get());
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}
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}
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void wifi_apb80m_release(void)
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{
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assert(s_wifi_modem_sleep_lock);
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esp_pm_lock_release(s_wifi_modem_sleep_lock);
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}
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#endif //CONFIG_PM_ENABLE
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