1 // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 #include <stdint.h>
18 #include <stddef.h>
19 #include "esp_err.h"
20 #include "freertos/FreeRTOS.h"
21 #include "freertos/queue.h"
22 #include "soc/sdmmc_periph.h"
23 
24 typedef struct {
25     uint32_t sdmmc_status;      ///< masked SDMMC interrupt status
26     uint32_t dma_status;        ///< masked DMA interrupt status
27 } sdmmc_event_t;
28 
29 void sdmmc_host_reset(void);
30 
31 esp_err_t sdmmc_host_start_command(int slot, sdmmc_hw_cmd_t cmd, uint32_t arg);
32 
33 esp_err_t sdmmc_host_wait_for_event(int tick_count, sdmmc_event_t* out_event);
34 
35 void sdmmc_host_dma_prepare(sdmmc_desc_t* desc, size_t block_size, size_t data_size);
36 
37 void sdmmc_host_dma_stop(void);
38 
39 void sdmmc_host_dma_resume(void);
40 
41 bool sdmmc_host_card_busy(void);
42 
43 esp_err_t sdmmc_host_transaction_handler_init(void);
44 
45 void sdmmc_host_transaction_handler_deinit(void);
46