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40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2023-2025 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 "driver/ana_cmpr_etm.h"
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#include "esp_private/etm_interface.h"
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#include "ana_cmpr_private.h"
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#define ETM_MEM_ALLOC_CAPS MALLOC_CAP_DEFAULT
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typedef struct {
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esp_etm_event_t base;
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} ana_cmpr_etm_event_t;
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static esp_err_t ana_cmpr_del_etm_event(esp_etm_event_handle_t base_event)
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{
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ana_cmpr_etm_event_t *event = __containerof(base_event, ana_cmpr_etm_event_t, base);
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free(event);
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return ESP_OK;
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}
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esp_err_t ana_cmpr_new_etm_event(ana_cmpr_handle_t cmpr, const ana_cmpr_etm_event_config_t *config, esp_etm_event_handle_t *ret_event)
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{
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ana_cmpr_unit_t unit = ana_cmpr_get_unit_id(cmpr);
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ESP_RETURN_ON_FALSE(((int)unit) >= 0, ESP_ERR_INVALID_ARG, TAG, "invalid analog comparator handle");
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ESP_RETURN_ON_FALSE(config && ret_event, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
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ana_cmpr_etm_event_t *event = heap_caps_calloc(1, sizeof(ana_cmpr_etm_event_t), ETM_MEM_ALLOC_CAPS);
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ESP_RETURN_ON_FALSE(event, ESP_ERR_NO_MEM, TAG, "no mem for analog comparator event");
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uint32_t event_id = ANALOG_CMPR_LL_ETM_SOURCE(unit, config->event_type);
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event->base.del = ana_cmpr_del_etm_event;
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event->base.event_id = event_id;
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event->base.trig_periph = ETM_TRIG_PERIPH_ANA_CMPR;
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ESP_LOGD(TAG, "new event @%p, event_id=%"PRIu32", unit_id=%d", event, event_id, unit);
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*ret_event = &event->base;
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return ESP_OK;
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}
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