/* * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include <stdint.h> #include <stdlib.h> #include <esp_types.h> #include "sdkconfig.h" #include "esp_attr.h" #include "soc/soc.h" #include "hal/lp_timer_ll.h" static DRAM_ATTR struct { lp_timer_dev_t *dev; } lp_timer_context = { .dev = &LP_TIMER }; void IRAM_ATTR lp_timer_hal_set_alarm_target(uint8_t timer_id, uint64_t value) { lp_timer_ll_clear_alarm_intr_status(lp_timer_context.dev); lp_timer_ll_set_alarm_target(lp_timer_context.dev, timer_id, value); lp_timer_ll_set_target_enable(lp_timer_context.dev, timer_id, true); } uint64_t IRAM_ATTR lp_timer_hal_get_cycle_count(void) { /* Shifts current count to buffer 0, and the value in buffer 0 to buffer 1 */ lp_timer_ll_counter_snapshot(lp_timer_context.dev); uint32_t lo = lp_timer_ll_get_counter_value_low(lp_timer_context.dev, 0); uint32_t hi = lp_timer_ll_get_counter_value_high(lp_timer_context.dev, 0); lp_timer_counter_value_t result = { .lo = lo, .hi = hi }; return result.val; } void IRAM_ATTR lp_timer_hal_clear_alarm_intr_status(void) { lp_timer_ll_clear_alarm_intr_status(lp_timer_context.dev); } void IRAM_ATTR lp_timer_hal_clear_overflow_intr_status(void) { lp_timer_ll_clear_overflow_intr_status(lp_timer_context.dev); }