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135 lines
5.1 KiB
135 lines
5.1 KiB
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sdcard.h"
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#include "embed/extmod/trezorobj.h"
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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,
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size_t n_args, size_t n_kw,
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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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#ifdef TREZOR_EMULATOR
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sdcard_init();
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#endif
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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,
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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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sdcard_power_off();
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return mp_const_true;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_SDCard_power_obj,
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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,
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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
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/// SDCARD_BLOCK_SIZE. 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,
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mp_obj_t buf) {
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uint32_t block = trezor_obj_get_uint(block_num);
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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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return mp_obj_new_bool(
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sdcard_read_blocks(bufinfo.buf, block, bufinfo.len / SDCARD_BLOCK_SIZE));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_read_obj,
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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
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/// SDCARD_BLOCK_SIZE. 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,
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mp_obj_t buf) {
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uint32_t block = trezor_obj_get_uint(block_num);
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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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return mp_obj_new_bool(
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sdcard_write_blocks(bufinfo.buf, block, bufinfo.len / SDCARD_BLOCK_SIZE));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_trezorio_SDCard_write_obj,
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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),
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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),
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MP_ROM_PTR(&mod_trezorio_SDCard_capacity_obj)},
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{MP_ROM_QSTR(MP_QSTR_block_size), MP_ROM_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,
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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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