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esp32: add power management hooks for WiFi library

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This commit is contained in:
Ivan Grokhotkov 2017-09-22 23:34:52 +08:00
parent eb0c34e5c9
commit df3c857a30
1 changed files with 37 additions and 4 deletions
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37
components/esp32/wifi_init.c
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@ -1,9 +1,9 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD // Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
// You may obtain a copy of the License at // You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0 // http://www.apache.org/licenses/LICENSE-2.0
// //
// Unless required by applicable law or agreed to in writing, software // Unless required by applicable law or agreed to in writing, software
@ -14,10 +14,43 @@
#include <esp_event.h> #include <esp_event.h>
#include <esp_wifi.h> #include <esp_wifi.h>
#include "esp_log.h"
#include "esp_wifi_internal.h" #include "esp_wifi_internal.h"
#include "esp_pm.h"
#include "soc/rtc.h"
#ifdef CONFIG_PM_ENABLE
static esp_pm_lock_handle_t s_wifi_modem_sleep_lock;
#endif
esp_err_t esp_wifi_init(const wifi_init_config_t *config) 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
esp_event_set_default_wifi_handlers(); esp_event_set_default_wifi_handlers();
return esp_wifi_init_internal(config); return esp_wifi_init_internal(config);
} }
#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