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47 lines
1.3 KiB
C
47 lines
1.3 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 <stdint.h>
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#include <stdlib.h>
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#include <esp_types.h>
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#include "sdkconfig.h"
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#include "esp_attr.h"
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#include "soc/soc.h"
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#include "hal/lp_timer_ll.h"
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static DRAM_ATTR struct {
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lp_timer_dev_t *dev;
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} lp_timer_context = { .dev = &LP_TIMER };
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void IRAM_ATTR lp_timer_hal_set_alarm_target(uint8_t timer_id, uint64_t value)
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{
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lp_timer_ll_clear_alarm_intr_status(lp_timer_context.dev);
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lp_timer_ll_set_alarm_target(lp_timer_context.dev, timer_id, value);
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lp_timer_ll_set_target_enable(lp_timer_context.dev, timer_id, true);
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}
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uint64_t IRAM_ATTR lp_timer_hal_get_cycle_count(uint8_t timer_id)
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{
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lp_timer_ll_counter_snapshot(lp_timer_context.dev);
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uint32_t lo = lp_timer_ll_get_counter_value_low(lp_timer_context.dev, timer_id);
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uint32_t hi = lp_timer_ll_get_counter_value_high(lp_timer_context.dev, timer_id);
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lp_timer_counter_value_t result = {
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.lo = lo,
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.hi = hi
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};
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return result.val;
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}
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void IRAM_ATTR lp_timer_hal_clear_alarm_intr_status(void)
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{
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lp_timer_ll_clear_alarm_intr_status(lp_timer_context.dev);
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}
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void IRAM_ATTR lp_timer_hal_clear_overflow_intr_status(void)
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{
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lp_timer_ll_clear_overflow_intr_status(lp_timer_context.dev);
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}
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