OVMS3-idf/components/esp_wifi/src/wifi_init.c
Xia Xiaotian 526a3e49ed esp_wifi: When WiFi TSF is active, skip light sleep
* Add an API for peripherals to set callbacks to skip light sleep

* Make WiFi power save example work
2020-05-13 19:31:36 +08:00

202 lines
6.3 KiB
C

// Copyright 2015-2017 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 <esp_event.h>
#include <esp_wifi.h>
#include "esp_log.h"
#include "esp_private/wifi.h"
#include "esp_pm.h"
#include "esp_sleep.h"
#include "esp_private/pm_impl.h"
#include "soc/rtc.h"
#include "esp_wpa.h"
#include "esp_netif.h"
#include "tcpip_adapter_compatible/tcpip_adapter_compat.h"
#include "driver/adc2_wifi_private.h"
#if (CONFIG_ESP32_WIFI_RX_BA_WIN > CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM)
#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than WIFI_DYNAMIC_RX_BUFFER_NUM!"
#endif
#if (CONFIG_ESP32_WIFI_RX_BA_WIN > (CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM << 1))
#error "WiFi configuration check: WARNING, WIFI_RX_BA_WIN should not be larger than double of the WIFI_STATIC_RX_BUFFER_NUM!"
#endif
ESP_EVENT_DEFINE_BASE(WIFI_EVENT);
#ifdef CONFIG_PM_ENABLE
static esp_pm_lock_handle_t s_wifi_modem_sleep_lock;
#endif
#if CONFIG_IDF_TARGET_ESP32
/* Callback function to update WiFi MAC time */
wifi_mac_time_update_cb_t s_wifi_mac_time_update_cb = NULL;
#endif
/* Set additional WiFi features and capabilities */
uint64_t g_wifi_feature_caps =
#if CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE
CONFIG_FEATURE_WPA3_SAE_BIT |
#endif
0;
static const char* TAG = "wifi_init";
static void __attribute__((constructor)) s_set_default_wifi_log_level(void)
{
/* WiFi libraries aren't compiled to know CONFIG_LOG_DEFAULT_LEVEL,
so set it at runtime startup. Done here not in esp_wifi_init() to allow
the user to set the level again before esp_wifi_init() is called.
*/
esp_log_level_set("wifi", CONFIG_LOG_DEFAULT_LEVEL);
esp_log_level_set("mesh", CONFIG_LOG_DEFAULT_LEVEL);
}
static void esp_wifi_set_debug_log(void)
{
/* set WiFi log level and module */
#if CONFIG_ESP32_WIFI_DEBUG_LOG_ENABLE
uint32_t g_wifi_log_level = WIFI_LOG_INFO;
uint32_t g_wifi_log_module = 0;
uint32_t g_wifi_log_submodule = 0;
#if CONFIG_ESP32_WIFI_DEBUG_LOG_DEBUG
g_wifi_log_level = WIFI_LOG_DEBUG;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_VERBOSE
g_wifi_log_level = WIFI_LOG_VERBOSE;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_ALL
g_wifi_log_module = WIFI_LOG_MODULE_ALL;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_WIFI
g_wifi_log_module = WIFI_LOG_MODULE_WIFI;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_COEX
g_wifi_log_module = WIFI_LOG_MODULE_COEX;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_MODULE_MESH
g_wifi_log_module = WIFI_LOG_MODULE_MESH;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_ALL
g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_ALL;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_INIT
g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_INIT;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_IOCTL
g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_IOCTL;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_CONN
g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_CONN;
#endif
#if CONFIG_ESP32_WIFI_DEBUG_LOG_SUBMODULE_SCAN
g_wifi_log_submodule |= WIFI_LOG_SUBMODULE_SCAN;
#endif
esp_wifi_internal_set_log_level(g_wifi_log_level);
esp_wifi_internal_set_log_mod(g_wifi_log_module, g_wifi_log_submodule, true);
#endif /* CONFIG_ESP32_WIFI_DEBUG_LOG_ENABLE*/
}
esp_err_t esp_wifi_deinit(void)
{
esp_err_t err = ESP_OK;
esp_supplicant_deinit();
err = esp_wifi_deinit_internal();
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed to deinit Wi-Fi driver (0x%x)", err);
return err;
}
#if CONFIG_ESP_NETIF_TCPIP_ADAPTER_COMPATIBLE_LAYER
tcpip_adapter_clear_default_wifi_handlers();
#endif
#if CONFIG_IDF_TARGET_ESP32S2
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
esp_pm_unregister_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
#endif
#endif
return err;
}
esp_err_t esp_wifi_init(const wifi_init_config_t *config)
{
#ifdef CONFIG_PM_ENABLE
if (s_wifi_modem_sleep_lock == NULL) {
esp_err_t err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "wifi",
&s_wifi_modem_sleep_lock);
if (err != ESP_OK) {
return err;
}
}
#endif
#if CONFIG_IDF_TARGET_ESP32S2
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
esp_err_t ret = esp_pm_register_skip_light_sleep_callback(esp_wifi_internal_is_tsf_active);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to register skip light sleep callback (0x%x)", ret);
return ret;
}
esp_sleep_enable_wifi_wakeup();
#endif
#endif
#if CONFIG_ESP_NETIF_TCPIP_ADAPTER_COMPATIBLE_LAYER
esp_err_t err = tcpip_adapter_set_default_wifi_handlers();
if (err != ESP_OK) {
ESP_LOGW(TAG, "Failed to set default Wi-Fi event handlers (0x%x)", err);
}
#endif
esp_err_t result = esp_wifi_init_internal(config);
if (result == ESP_OK) {
esp_wifi_set_debug_log();
#if CONFIG_IDF_TARGET_ESP32
s_wifi_mac_time_update_cb = esp_wifi_internal_update_mac_time;
#endif
result = esp_supplicant_init();
if (result != ESP_OK) {
ESP_LOGE(TAG, "Failed to init supplicant (0x%x)", result);
esp_err_t deinit_ret = esp_wifi_deinit();
if (deinit_ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to deinit Wi-Fi (0x%x)", deinit_ret);
}
return result;
}
}
#if CONFIG_IDF_TARGET_ESP32S2
adc2_cal_include(); //This enables the ADC2 calibration constructor at start up.
#endif
return result;
}
#ifdef CONFIG_PM_ENABLE
void wifi_apb80m_request(void)
{
assert(s_wifi_modem_sleep_lock);
esp_pm_lock_acquire(s_wifi_modem_sleep_lock);
if (rtc_clk_apb_freq_get() != APB_CLK_FREQ) {
ESP_LOGE(__func__, "WiFi needs 80MHz APB frequency to work, but got %dHz", rtc_clk_apb_freq_get());
}
}
void wifi_apb80m_release(void)
{
assert(s_wifi_modem_sleep_lock);
esp_pm_lock_release(s_wifi_modem_sleep_lock);
}
#endif //CONFIG_PM_ENABLE