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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-23 06:48:16 +00:00
trezor-firmware/micropython/extmod/modtrezorio/modtrezorio-sdcard.h
2017-06-14 18:51:55 +02:00

107 lines
4.0 KiB
C

/*
* Copyright (c) Pavol Rusnak, SatoshiLabs
*
* Licensed under TREZOR License
* see LICENSE file for details
*/
#if defined TREZOR_STM32
#include "sdcard.h"
#elif defined TREZOR_UNIX
#include "unix-sdcard-mock.h"
#else
#error Unsupported TREZOR port. Only STM32 and UNIX ports are supported.
#endif
/// class SDCard:
/// '''
/// '''
typedef struct _mp_obj_SDCard_t {
mp_obj_base_t base;
} mp_obj_SDCard_t;
/// def __init__(self) -> None:
/// '''
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 0, false);
mp_obj_SDCard_t *o = m_new_obj(mp_obj_SDCard_t);
o->base.type = type;
return MP_OBJ_FROM_PTR(o);
}
/// def present(self) -> bool:
/// '''
/// Returns True if SD card is detected, False otherwise.
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_present(mp_obj_t self) {
return mp_obj_new_bool(sdcard_is_present());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_SDCard_present_obj, mod_trezorio_SDCard_present);
/// def power(self, state: bool) -> bool:
/// '''
/// Power on or power off the SD card interface.
/// Returns True if in case of success, False otherwise.
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_power(mp_obj_t self, mp_obj_t state) {
if (mp_obj_is_true(state)) {
return mp_obj_new_bool(sdcard_power_on());
} else {
return mp_obj_new_bool(sdcard_power_off());
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_SDCard_power_obj, mod_trezorio_SDCard_power);
/// def capacity(self) -> int:
/// '''
/// Returns capacity of the SD card in bytes, or zero if not present.
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_capacity(mp_obj_t self) {
return mp_obj_new_int_from_ull(sdcard_get_capacity_in_bytes());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_SDCard_capacity_obj, mod_trezorio_SDCard_capacity);
/// def read(self, block_num: int, buf: bytearray) -> bool:
/// '''
/// Reads block_num block from the SD card into buf.
/// Returns True if in case of success, False otherwise.
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_read(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_WRITE);
mp_uint_t ret = sdcard_read_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
return mp_obj_new_bool(ret == 0);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_read_obj, mod_trezorio_SDCard_read);
/// def write(self, block_num: int, buf: bytes) -> bool:
/// '''
/// Writes block_num block from buf to the SD card.
/// Returns True if in case of success, False otherwise.
/// '''
STATIC mp_obj_t mod_trezorio_SDCard_write(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
mp_uint_t ret = sdcard_write_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
return mp_obj_new_bool(ret == 0);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_write_obj, mod_trezorio_SDCard_write);
STATIC const mp_rom_map_elem_t mod_trezorio_SDCard_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_present), MP_ROM_PTR(&mod_trezorio_SDCard_present_obj) },
{ MP_ROM_QSTR(MP_QSTR_power), MP_ROM_PTR(&mod_trezorio_SDCard_power_obj) },
{ MP_ROM_QSTR(MP_QSTR_capacity), MP_ROM_PTR(&mod_trezorio_SDCard_capacity_obj) },
{ MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(SDCARD_BLOCK_SIZE) },
{ MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mod_trezorio_SDCard_read_obj) },
{ MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mod_trezorio_SDCard_write_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_trezorio_SDCard_locals_dict, mod_trezorio_SDCard_locals_dict_table);
STATIC const mp_obj_type_t mod_trezorio_SDCard_type = {
{ &mp_type_type },
.name = MP_QSTR_SDCard,
.make_new = mod_trezorio_SDCard_make_new,
.locals_dict = (void*)&mod_trezorio_SDCard_locals_dict,
};