kopia lustrzana https://github.com/espressif/esp-idf
76 wiersze
2.5 KiB
C
76 wiersze
2.5 KiB
C
// Copyright 2015-2018 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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// 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 soc related (generated) definitions
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#include "soc/soc_caps.h"
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#include "soc/soc_pins.h"
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#include "soc/sdmmc_reg.h"
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#include "soc/sdmmc_struct.h"
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#include "soc/gpio_sig_map.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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* Common SDMMC slot info, doesn't depend on SOC_SDMMC_USE_{IOMUX,GPIO_MATRIX}
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*/
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typedef struct {
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uint8_t width; /*!< Maximum supported slot width (1, 4, 8) */
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uint8_t card_detect; /*!< Card detect signal in GPIO Matrix */
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uint8_t write_protect; /*!< Write protect signal in GPIO Matrix */
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uint8_t card_int; /*!< Card interrupt signal in GPIO Matrix */
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} sdmmc_slot_info_t;
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/** Width and GPIO matrix signal numbers for auxillary SD host signals, one structure per slot */
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extern const sdmmc_slot_info_t sdmmc_slot_info[SOC_SDMMC_NUM_SLOTS];
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/**
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* This structure lists pin numbers (if SOC_SDMMC_USE_IOMUX is set)
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* or GPIO Matrix signal numbers (if SOC_SDMMC_USE_GPIO_MATRIX is set)
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* for the SD bus signals. Field names match SD bus signal names.
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*/
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typedef struct {
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uint8_t clk;
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uint8_t cmd;
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uint8_t d0;
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uint8_t d1;
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uint8_t d2;
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uint8_t d3;
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uint8_t d4;
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uint8_t d5;
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uint8_t d6;
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uint8_t d7;
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} sdmmc_slot_io_info_t;
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/* Note: it is in theory possible to have both IOMUX and GPIO Matrix supported
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* in the same SoC. However this is not used on any SoC at this point, and would
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* complicate the driver. Hence only one of these options is supported at a time.
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*/
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#if SOC_SDMMC_USE_IOMUX
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/** GPIO pin numbers of SD bus signals, one structure per slot */
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extern const sdmmc_slot_io_info_t sdmmc_slot_gpio_num[SOC_SDMMC_NUM_SLOTS];
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#elif SOC_SDMMC_USE_GPIO_MATRIX
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/** GPIO matrix signal numbers of SD bus signals, one structure per slot */
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extern const sdmmc_slot_io_info_t sdmmc_slot_gpio_sig[SOC_SDMMC_NUM_SLOTS];
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#endif // SOC_SDMMC_USE_{IOMUX,GPIO_MATRIX}
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#ifdef __cplusplus
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}
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#endif
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