mirror of
https://github.com/licsber/micropython.git
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f7facf73f1
* ports/nrf: Add micro:bit filesystem. This filesystem has been copied from BBC micro:bit sources [1] and modified to work with the nRF5x port. [1]: https://github.com/bbcmicrobit/micropython/blob/master/source/microbit/filesystem.c * ports/nrf/modules/uos: Make listdir() and ilistdir() consistent. This removes the optional direcotry paramter from ilistdir(). This is not consistent with VFS, but makes more sense when using only the microbit filesystem. Saves about 100 bytes. * ports/nrf/modules/uos: Add code size comment.
182 lines
6.8 KiB
C
182 lines
6.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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#include <string.h>
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#include "py/mpstate.h"
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#include "py/runtime.h"
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#include "py/objtuple.h"
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#include "py/objstr.h"
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#include "lib/oofatfs/ff.h"
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#include "lib/oofatfs/diskio.h"
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#include "modules/uos/microbitfs.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "genhdr/mpversion.h"
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//#include "timeutils.h"
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//#include "rng.h"
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#include "uart.h"
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//#include "portmodules.h"
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/// \module os - basic "operating system" services
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///
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/// The `os` module contains functions for filesystem access and `urandom`.
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///
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/// The filesystem has `/` as the root directory, and the available physical
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/// drives are accessible from here. They are currently:
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///
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/// /flash -- the internal flash filesystem
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/// /sd -- the SD card (if it exists)
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///
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/// On boot up, the current directory is `/flash` if no SD card is inserted,
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/// otherwise it is `/sd`.
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STATIC const qstr os_uname_info_fields[] = {
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MP_QSTR_sysname, MP_QSTR_nodename,
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MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine
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};
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, "pyboard");
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, "pyboard");
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, MICROPY_VERSION_STRING);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME);
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STATIC MP_DEFINE_ATTRTUPLE(
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os_uname_info_obj,
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os_uname_info_fields,
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5,
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(mp_obj_t)&os_uname_info_sysname_obj,
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(mp_obj_t)&os_uname_info_nodename_obj,
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(mp_obj_t)&os_uname_info_release_obj,
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(mp_obj_t)&os_uname_info_version_obj,
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(mp_obj_t)&os_uname_info_machine_obj
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);
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STATIC mp_obj_t os_uname(void) {
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return (mp_obj_t)&os_uname_info_obj;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
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#if MICROPY_VFS
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/// \function sync()
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/// Sync all filesystems.
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STATIC mp_obj_t os_sync(void) {
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for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
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// this assumes that vfs->obj is fs_user_mount_t with block device functions
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disk_ioctl(MP_OBJ_TO_PTR(vfs->obj), CTRL_SYNC, NULL);
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(mod_os_sync_obj, os_sync);
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#endif
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#if MICROPY_HW_ENABLE_RNG
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/// \function urandom(n)
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/// Return a bytes object with n random bytes, generated by the hardware
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/// random number generator.
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STATIC mp_obj_t os_urandom(mp_obj_t num) {
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mp_int_t n = mp_obj_get_int(num);
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vstr_t vstr;
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vstr_init_len(&vstr, n);
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for (int i = 0; i < n; i++) {
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vstr.buf[i] = rng_get();
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}
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_urandom_obj, os_urandom);
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#endif
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// Get or set the UART object that the REPL is repeated on.
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// TODO should accept any object with read/write methods.
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STATIC mp_obj_t os_dupterm(mp_uint_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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if (MP_STATE_PORT(pyb_stdio_uart) == NULL) {
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return mp_const_none;
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} else {
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return MP_STATE_PORT(pyb_stdio_uart);
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}
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} else {
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if (args[0] == mp_const_none) {
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MP_STATE_PORT(pyb_stdio_uart) = NULL;
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} else if (mp_obj_get_type(args[0]) == &machine_hard_uart_type) {
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MP_STATE_PORT(pyb_stdio_uart) = args[0];
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} else {
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mp_raise_ValueError("need a UART object");
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}
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return mp_const_none;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_os_dupterm_obj, 0, 1, os_dupterm);
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STATIC const mp_rom_map_elem_t os_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uos) },
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{ MP_ROM_QSTR(MP_QSTR_uname), MP_ROM_PTR(&os_uname_obj) },
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#if MICROPY_VFS
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{ MP_ROM_QSTR(MP_QSTR_chdir), MP_ROM_PTR(&mp_vfs_chdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_getcwd), MP_ROM_PTR(&mp_vfs_getcwd_obj) },
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{ MP_ROM_QSTR(MP_QSTR_listdir), MP_ROM_PTR(&mp_vfs_listdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&mp_vfs_mkdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&mp_vfs_remove_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&mp_vfs_rename_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rmdir), MP_ROM_PTR(&mp_vfs_rmdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&mp_vfs_stat_obj) },
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{ MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&mp_vfs_statvfs_obj) },
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{ MP_ROM_QSTR(MP_QSTR_unlink), MP_ROM_PTR(&mp_vfs_remove_obj) }, // unlink aliases to remove
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{ MP_ROM_QSTR(MP_QSTR_sync), MP_ROM_PTR(&mod_os_sync_obj) },
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#elif MICROPY_HW_HAS_BUILTIN_FLASH
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{ MP_ROM_QSTR(MP_QSTR_listdir), MP_ROM_PTR(&uos_mbfs_listdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&uos_mbfs_ilistdir_obj) }, // uses ~136 bytes
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{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&uos_mbfs_stat_obj) }, // uses ~228 bytes
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{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&uos_mbfs_remove_obj) },
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#endif
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/// \constant sep - separation character used in paths
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{ MP_ROM_QSTR(MP_QSTR_sep), MP_ROM_QSTR(MP_QSTR__slash_) },
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#if MICROPY_HW_ENABLE_RNG
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{ MP_ROM_QSTR(MP_QSTR_urandom), MP_ROM_PTR(&os_urandom_obj) },
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#endif
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// these are MicroPython extensions
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{ MP_ROM_QSTR(MP_QSTR_dupterm), MP_ROM_PTR(&mod_os_dupterm_obj) },
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#if MICROPY_VFS
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{ MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&mp_vfs_mount_obj) },
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{ MP_ROM_QSTR(MP_QSTR_umount), MP_ROM_PTR(&mp_vfs_umount_obj) },
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{ MP_ROM_QSTR(MP_QSTR_VfsFat), MP_ROM_PTR(&mp_fat_vfs_type) },
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(os_module_globals, os_module_globals_table);
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const mp_obj_module_t mp_module_uos = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&os_module_globals,
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};
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