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40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2021 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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* @brief
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* This file contains SPI Slave private/internal APIs. Private/Internal APIs are:
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* - Visible to other IDF components
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* - Suggest NOT to use these APIs in your applications
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* - We don't provide backward compatibility on these APIs either
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*/
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#pragma once
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#include "sdkconfig.h"
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#include "esp_err.h"
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#include "hal/spi_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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* @note
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* This API is used to reset SPI Slave transaction queue. After calling this function:
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* - The SPI Slave transaction queue will be reset.
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*
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* @note This API shouldn't be called when the corresponding SPI Master is doing an SPI transaction.
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* If this gets called when its corresponding SPI Master is doing an SPI transaction, the SPI Slave behaviour is undefined
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*
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* @param host SPI peripheral that is acting as a slave
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*
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* @return
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* - ESP_ERR_INVALID_ARG if parameter is invalid
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* - ESP_OK on success
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*/
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esp_err_t spi_slave_queue_reset(spi_host_device_t host);
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