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https://github.com/espressif/esp-idf.git
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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "esp_timer.h"
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#include <stdint.h>
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extern void bt_track_pll_cap(void);
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static esp_timer_handle_t phy_track_pll_timer;
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static volatile int64_t s_previous_timestamp;
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#define PHY_TRACK_PLL_PERIOD_IN_US 1000000
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static void phy_track_pll_timer_callback(void* arg)
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{
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#if IEEE802154_ENABLED || BT_ENABLED
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bt_track_pll_cap();
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#endif
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s_previous_timestamp = esp_timer_get_time();
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}
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void phy_track_pll_init(void)
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{
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// Light sleep scenario: enabling and disabling PHY frequently, the timer will not get triggered.
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// Using a variable to record the previously tracked time when PLL was last called.
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// If the duration is larger than PHY_TRACK_PLL_PERIOD_IN_US, then track PLL.
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int64_t now = esp_timer_get_time();
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if (now - s_previous_timestamp > PHY_TRACK_PLL_PERIOD_IN_US) {
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phy_track_pll_timer_callback((void* )0);
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}
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const esp_timer_create_args_t phy_track_pll_timer_args = {
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.callback = &phy_track_pll_timer_callback,
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.name = "phy-track-pll-timer"
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};
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ESP_ERROR_CHECK(esp_timer_create(&phy_track_pll_timer_args, &phy_track_pll_timer));
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ESP_ERROR_CHECK(esp_timer_start_periodic(phy_track_pll_timer, PHY_TRACK_PLL_PERIOD_IN_US));
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}
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void phy_track_pll_deinit(void)
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{
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ESP_ERROR_CHECK(esp_timer_stop(phy_track_pll_timer));
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ESP_ERROR_CHECK(esp_timer_delete(phy_track_pll_timer));
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}
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