mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-27 01:48:17 +00:00
109 lines
4.2 KiB
C
109 lines
4.2 KiB
C
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under TREZOR License
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* see LICENSE file for details
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*/
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#if defined TREZOR_STM32
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#include "sdcard.h"
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#elif defined TREZOR_UNIX
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#include "unix-sdcard-mock.h"
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#else
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#error Unsupported TREZOR port. Only STM32 and UNIX ports are supported.
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#endif
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/// class SDCard:
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/// '''
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/// '''
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typedef struct _mp_obj_SDCard_t {
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mp_obj_base_t base;
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} mp_obj_SDCard_t;
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/// def __init__(self) -> None:
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/// '''
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/// '''
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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) {
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mp_arg_check_num(n_args, n_kw, 0, 0, false);
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mp_obj_SDCard_t *o = m_new_obj(mp_obj_SDCard_t);
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o->base.type = type;
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return MP_OBJ_FROM_PTR(o);
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}
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/// def present(self) -> bool:
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/// '''
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/// Returns True if SD card is detected, False otherwise.
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/// '''
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STATIC mp_obj_t mod_trezorio_SDCard_present(mp_obj_t self) {
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return mp_obj_new_bool(sdcard_is_present());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_SDCard_present_obj, mod_trezorio_SDCard_present);
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/// def power(self, state: bool) -> bool:
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/// '''
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/// Power on or power off the SD card interface.
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/// Returns True if in case of success, False otherwise.
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/// '''
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STATIC mp_obj_t mod_trezorio_SDCard_power(mp_obj_t self, mp_obj_t state) {
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if (mp_obj_is_true(state)) {
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return mp_obj_new_bool(sdcard_power_on());
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} else {
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return mp_obj_new_bool(sdcard_power_off());
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_SDCard_power_obj, mod_trezorio_SDCard_power);
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/// def capacity(self) -> int:
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/// '''
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/// Returns capacity of the SD card in bytes, or zero if not present.
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/// '''
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STATIC mp_obj_t mod_trezorio_SDCard_capacity(mp_obj_t self) {
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return mp_obj_new_int_from_ull(sdcard_get_capacity_in_bytes());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorio_SDCard_capacity_obj, mod_trezorio_SDCard_capacity);
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/// def read(self, block_num: int, buf: bytearray) -> bool:
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/// '''
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/// Reads blocks starting with block_num from the SD card into buf.
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/// Number of bytes read is length of buf rounded down to multiply of SDCARD_BLOCK_SIZE.
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/// Returns True if in case of success, False otherwise.
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/// '''
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STATIC mp_obj_t mod_trezorio_SDCard_read(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_WRITE);
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mp_uint_t ret = sdcard_read_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
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return mp_obj_new_bool(ret == 0);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_read_obj, mod_trezorio_SDCard_read);
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/// def write(self, block_num: int, buf: bytes) -> bool:
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/// '''
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/// Writes blocks starting with block_num from buf to the SD card.
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/// Number of bytes written is length of buf rounded down to multiply of SDCARD_BLOCK_SIZE.
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/// Returns True if in case of success, False otherwise.
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/// '''
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STATIC mp_obj_t mod_trezorio_SDCard_write(mp_obj_t self, mp_obj_t block_num, mp_obj_t buf) {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
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mp_uint_t ret = sdcard_write_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE);
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return mp_obj_new_bool(ret == 0);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_write_obj, mod_trezorio_SDCard_write);
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STATIC const mp_rom_map_elem_t mod_trezorio_SDCard_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_present), MP_ROM_PTR(&mod_trezorio_SDCard_present_obj) },
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{ MP_ROM_QSTR(MP_QSTR_power), MP_ROM_PTR(&mod_trezorio_SDCard_power_obj) },
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{ MP_ROM_QSTR(MP_QSTR_capacity), MP_ROM_PTR(&mod_trezorio_SDCard_capacity_obj) },
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{ MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(SDCARD_BLOCK_SIZE) },
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{ MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mod_trezorio_SDCard_read_obj) },
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{ MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mod_trezorio_SDCard_write_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_trezorio_SDCard_locals_dict, mod_trezorio_SDCard_locals_dict_table);
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STATIC const mp_obj_type_t mod_trezorio_SDCard_type = {
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{ &mp_type_type },
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.name = MP_QSTR_SDCard,
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.make_new = mod_trezorio_SDCard_make_new,
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.locals_dict = (void*)&mod_trezorio_SDCard_locals_dict,
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};
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