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42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 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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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include "esp_err.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "soc/sdmmc_periph.h"
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typedef struct {
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uint32_t sdmmc_status; ///< masked SDMMC interrupt status
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uint32_t dma_status; ///< masked DMA interrupt status
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} sdmmc_event_t;
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#define SDMMC_HOST_CLOCK_UPDATE_CMD_TIMEOUT_US 1000 * 1000
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#define SDMMC_HOST_START_CMD_TIMEOUT_US 1000 * 1000
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#define SDMMC_HOST_RESET_TIMEOUT_US 5000 * 1000
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esp_err_t sdmmc_host_reset(void);
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esp_err_t sdmmc_host_start_command(int slot, sdmmc_hw_cmd_t cmd, uint32_t arg);
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esp_err_t sdmmc_host_wait_for_event(int tick_count, sdmmc_event_t* out_event);
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void sdmmc_host_dma_prepare(sdmmc_desc_t* desc, size_t block_size, size_t data_size);
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void sdmmc_host_dma_stop(void);
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void sdmmc_host_dma_resume(void);
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bool sdmmc_host_card_busy(void);
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esp_err_t sdmmc_host_transaction_handler_init(void);
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void sdmmc_host_transaction_handler_deinit(void);
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