5b37a96ddc
NOTE: the internal pullups are not totally reliable, please do add external pullups on your bus.
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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void sdmmc_host_reset();
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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();
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void sdmmc_host_dma_resume();
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esp_err_t sdmmc_host_transaction_handler_init();
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void sdmmc_host_transaction_handler_deinit();
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