kopia lustrzana https://github.com/espressif/esp-idf
66 wiersze
1.7 KiB
C
66 wiersze
1.7 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 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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/*******************************************************************************
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* NOTICE
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* The hal is not public api, don't use in application code.
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* See readme.md in hal/include/hal/readme.md
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******************************************************************************/
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct timg_dev_t *gptimer_soc_handle_t; // GPTimer SOC layer handle
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/**
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* Context that should be maintained by both the driver and the HAL
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*/
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typedef struct {
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gptimer_soc_handle_t dev; // Timer SOC layer handle (i.e. register base address)
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uint32_t timer_id; // Timer ID (i.e. index of the timer in the group)
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} timer_hal_context_t;
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/**
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* @brief Init the timer hal. This function should be called first before other hal layer function is called
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*
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* @param hal Context of the HAL layer
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* @param group_num The timer group number
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* @param timer_num The timer number
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*/
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void timer_hal_init(timer_hal_context_t *hal, uint32_t group_num, uint32_t timer_num);
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/**
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* @brief Deinit timer hal context.
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*
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* @param hal Context of HAL layer
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*/
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void timer_hal_deinit(timer_hal_context_t *hal);
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/**
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* @brief Load counter value into time-base counter
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*
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* @param hal Context of the HAL layer
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* @param load_val Counter value
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*/
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void timer_hal_set_counter_value(timer_hal_context_t *hal, uint64_t load_val);
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/**
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* @brief Trigger a software capture event and then return the captured count value
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*
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* @param hal Context of the HAL layer
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* @return Counter value
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*/
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uint64_t timer_hal_capture_and_get_counter_value(timer_hal_context_t *hal);
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#ifdef __cplusplus
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}
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#endif
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