You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/**
|
|
* @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_
|