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trezor-firmware/embed/trezorhal/sdcard.h
2017-07-28 16:23:45 +02:00

46 lines
1.7 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __TREZORHAL_SDCARD_H__
#define __TREZORHAL_SDCARD_H__
#include <stdbool.h>
// this is a fixed size and should not be changed
#define SDCARD_BLOCK_SIZE (512)
int sdcard_init(void);
bool sdcard_is_present(void);
bool sdcard_power_on(void);
bool sdcard_power_off(void);
uint64_t sdcard_get_capacity_in_bytes(void);
// these return 0 on success, non-zero on error
uint32_t sdcard_read_blocks(void *dest, uint32_t block_num, uint32_t num_blocks);
uint32_t sdcard_write_blocks(const void *src, uint32_t block_num, uint32_t num_blocks);
#endif