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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
// Copyright 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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// Provides strong definition for system time functions relied upon
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// by core components.
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#include "sdkconfig.h"
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#if CONFIG_ESP_TIME_FUNCS_USE_ESP_TIMER
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#include "esp_timer.h"
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#include "esp_timer_impl.h"
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#include "esp_private/startup_internal.h"
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/rtc.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/rtc.h"
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#elif CONFIG_IDF_TARGET_ESP32S3
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#include "esp32s3/rtc.h"
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#elif CONFIG_IDF_TARGET_ESP32C3
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#include "esp32c3/rtc.h"
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#endif
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// Correction for underlying timer to keep definition
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// of system time consistent.
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static int64_t s_correction_us = 0;
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void esp_timer_impl_init_system_time(void)
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{
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s_correction_us = esp_rtc_get_time_us() - g_startup_time - esp_timer_impl_get_time();
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}
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int64_t IRAM_ATTR esp_system_get_time(void)
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{
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return esp_timer_get_time() + s_correction_us;
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}
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uint32_t IRAM_ATTR esp_system_get_time_resolution(void)
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{
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return 1000;
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}
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#endif
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