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/**
* @file sdcard.c
* Provides a basic library for accessing an SD card
*
* Copyright (C) 2018 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SDCARD_H_
#define SDCARD_H_
#include <stdint.h>
/**
* Attempts to initialize the SD card.
* Warning: Little to no error checking is done/handled properly.
*/
void sd_init(void);
/**
* Reads in data from the SD card.
* LBAs are 512 bytes long.
* @param buf the pre-allocated buffer to store data in
* @param lba the lba to read from
* @param count the number of bytes to read
* @return the buffer
*/
uint8_t *sd_read(uint8_t *buf, uint32_t lba, uint32_t count);
#endif // SDCARD_H_
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