kopia lustrzana https://github.com/espressif/esp-idf
41 wiersze
1.0 KiB
C
41 wiersze
1.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2023 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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#pragma once
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#include <stdint.h>
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// we assign the systimer resources statically
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#define SYSTIMER_COUNTER_ESPTIMER 0 // Counter used by esptimer, to generate the system level wall clock
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#define SYSTIMER_COUNTER_OS_TICK 1 // Counter used by RTOS porting layer, to generate the OS tick
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#define SYSTIMER_ALARM_OS_TICK_CORE0 0 // Alarm used by OS tick, dedicated for core 0
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#define SYSTIMER_ALARM_OS_TICK_CORE1 1 // Alarm used by OS tick, dedicated for core 1
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#define SYSTIMER_ALARM_ESPTIMER 2 // Alarm used by esptimer
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Convert ticks to microseconds
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*
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* @param ticks ticks to convert
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* @return microseconds
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*/
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uint64_t systimer_ticks_to_us(uint64_t ticks) __attribute__((const));
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/**
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* @brief Convert microseconds to ticks
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*
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* @param us microseconds to convert
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* @return ticks
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*/
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uint64_t systimer_us_to_ticks(uint64_t us) __attribute__((const));
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#ifdef __cplusplus
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}
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#endif
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