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34 lines
847 B
C
34 lines
847 B
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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// DO NOT USE THESE APIS IN YOUR APPLICATIONS
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// The following APIs are for internal test.
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#pragma once
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#include "esp_err.h"
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#include "driver/rmt_types.h"
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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 Get the unique ID of RMT channel
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*
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* @param[in] channel RMT generic channel that created by `rmt_new_tx_channel()` or `rmt_new_rx_channel()`
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* @param[out] ret_id The unique ID of RMT channel
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* @return
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* - ESP_OK: Get RMT channel ID successfully
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* - ESP_ERR_INVALID_ARG: Get RMT channel ID failed because of invalid argument
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* - ESP_FAIL: Get RMT channel ID failed because of other reasons
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*/
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esp_err_t rmt_get_channel_id(rmt_channel_handle_t channel, int *ret_id);
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#ifdef __cplusplus
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}
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#endif
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