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