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@ -33,10 +33,12 @@
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#include "py/objtuple.h"
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#include "py/objstr.h"
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#include "py/runtime.h"
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#include "lib/oofatfs/ff.h"
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#include "lib/oofatfs/diskio.h"
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#include "genhdr/mpversion.h"
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#include "moduos.h"
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#include "diskio.h"
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#include "sflash_diskio.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "random.h"
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#include "mpexception.h"
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@ -59,155 +61,20 @@
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/******************************************************************************
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DECLARE PRIVATE DATA
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******************************************************************************/
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STATIC uint32_t os_num_mounted_devices;
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STATIC os_term_dup_obj_t os_term_dup_obj;
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/******************************************************************************
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DECLARE PRIVATE FUNCTIONS
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******************************************************************************/
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STATIC void unmount (os_fs_mount_t *mount_obj);
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STATIC bool path_equal(const char *path, const char *path_canonical);
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STATIC void append_dir_item (mp_obj_t dirlist, const char *item, bool string);
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STATIC void mount (mp_obj_t device, const char *path, uint pathlen, bool readonly);
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/******************************************************************************
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DEFINE PUBLIC FUNCTIONS
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******************************************************************************/
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void moduos_init0 (void) {
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// initialize the mount objects list
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mp_obj_list_init(&MP_STATE_PORT(mount_obj_list), 0);
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os_num_mounted_devices = 0;
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}
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os_fs_mount_t *osmount_find_by_path (const char *path) {
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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if (!strcmp(path, mount_obj->path)) {
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return mount_obj;
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}
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}
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return NULL;
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}
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os_fs_mount_t *osmount_find_by_volume (uint8_t vol) {
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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if (vol == mount_obj->vol) {
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return mount_obj;
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}
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}
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return NULL;
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}
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os_fs_mount_t *osmount_find_by_device (mp_obj_t device) {
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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if (device == mount_obj->device) {
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return mount_obj;
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}
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}
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return NULL;
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}
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void osmount_unmount_all (void) {
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//TODO
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/*
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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unmount(mount_obj);
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}
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}
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/******************************************************************************
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DEFINE PRIVATE FUNCTIONS
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******************************************************************************/
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// Checks for path equality, ignoring trailing slashes:
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// path_equal(/, /) -> true
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// path_equal(/flash//, /flash) -> true
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// second argument must be in canonical form (meaning no trailing slash, unless it's just /)
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STATIC bool path_equal(const char *path, const char *path_canonical) {
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for (; *path_canonical != '\0' && *path == *path_canonical; ++path, ++path_canonical) {
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}
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if (*path_canonical != '\0') {
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return false;
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}
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for (; *path == '/'; ++path) {
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}
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return *path == '\0';
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}
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STATIC void append_dir_item (mp_obj_t dirlist, const char *item, bool string) {
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// make a string object for this entry
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mp_obj_t entry_o;
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if (string) {
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entry_o = mp_obj_new_str(item, strlen(item), false);
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} else {
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entry_o = mp_obj_new_bytes((const byte*)item, strlen(item));
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}
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// add the entry to the list
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mp_obj_list_append(dirlist, entry_o);
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}
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STATIC void mount (mp_obj_t device, const char *path, uint pathlen, bool readonly) {
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// is the mount point already in use?
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FILINFO fno;
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#if _USE_LFN
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fno.lfname = NULL;
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fno.lfsize = 0;
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#endif
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// cannot mount twice or on existing paths
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if (f_stat(path, &fno) == FR_OK || osmount_find_by_device(device)) {
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mp_raise_msg(&mp_type_OSError, mpexception_os_request_not_possible);
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}
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// create a new object
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os_fs_mount_t *self = m_new_obj(os_fs_mount_t);
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self->device = device;
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self->path = path;
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self->pathlen = pathlen;
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self->vol = os_num_mounted_devices + 1; // '/flash' is volume 0
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if (device == (mp_obj_t)&pybsd_obj) {
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// need to make it different to NULL, otherwise it's read only by default
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self->writeblocks[0] = mp_const_none;
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self->sync[0] = MP_OBJ_NULL; // no need to sync the SD card
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self->count[0] = MP_OBJ_NULL;
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} else {
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// load block protocol methods
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mp_load_method(device, MP_QSTR_readblocks, self->readblocks);
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mp_load_method_maybe(device, MP_QSTR_writeblocks, self->writeblocks);
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mp_load_method_maybe(device, MP_QSTR_sync, self->sync);
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mp_load_method(device, MP_QSTR_count, self->count);
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}
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// Read-only device indicated by writeblocks[0] == MP_OBJ_NULL.
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// User can specify read-only device by:
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// 1. readonly=True keyword argument
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// 2. nonexistent writeblocks method (then writeblocks[0] == MP_OBJ_NULL already)
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if (readonly) {
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self->writeblocks[0] = MP_OBJ_NULL;
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}
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// we need to add it before doing the actual mount, so that the volume can be found
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mp_obj_list_append(&MP_STATE_PORT(mount_obj_list), self);
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// actually mount it
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if (f_mount(&self->fatfs, self->path, 1) != FR_OK) {
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// remove it and raise
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mp_obj_list_remove(&MP_STATE_PORT(mount_obj_list), self);
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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// mount succeeded, increment the count
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os_num_mounted_devices++;
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}
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STATIC void unmount (os_fs_mount_t *mount_obj) {
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// remove it from the list and then call FatFs
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f_mount (NULL, mount_obj->path, 1);
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mp_obj_list_remove(&MP_STATE_PORT(mount_obj_list), mount_obj);
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os_num_mounted_devices--;
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*/
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}
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/******************************************************************************/
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@ -239,193 +106,6 @@ STATIC mp_obj_t os_uname(void) {
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
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/// \function chdir(path)
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/// Change current directory.
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STATIC mp_obj_t os_chdir(mp_obj_t path_in) {
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const char *path;
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path = mp_obj_str_get_str(path_in);
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FRESULT res = f_chdrive(path);
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if (res == FR_OK) {
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res = f_chdir(path);
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}
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if (res != FR_OK) {
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_chdir_obj, os_chdir);
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STATIC mp_obj_t os_getcwd(void) {
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char buf[MICROPY_ALLOC_PATH_MAX + 1];
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FRESULT res = f_getcwd(buf, sizeof buf);
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if (res != FR_OK) {
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mp_raise_OSError(fresult_to_errno_table[res]);
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}
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return mp_obj_new_str(buf, strlen(buf), false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_getcwd_obj, os_getcwd);
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STATIC mp_obj_t os_listdir(mp_uint_t n_args, const mp_obj_t *args) {
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bool is_str_type = true;
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const char *path;
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mp_obj_t dir_list = mp_obj_new_list(0, NULL);
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if (n_args == 1) {
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if (mp_obj_get_type(args[0]) == &mp_type_bytes) {
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is_str_type = false;
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}
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path = mp_obj_str_get_str(args[0]);
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} else {
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path = "";
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}
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// "hack" to list the root directory
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if (path[0] == '/' && path[1] == '\0') {
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// add 'flash' to the list
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append_dir_item (dir_list, "flash", is_str_type);
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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append_dir_item (dir_list, &mount_obj->path[1], is_str_type);
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}
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} else {
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FRESULT res;
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DIR dir;
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FILINFO fno;
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#if _USE_LFN
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char lfn_buf[_MAX_LFN + 1];
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fno.lfname = lfn_buf;
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fno.lfsize = sizeof(lfn_buf);
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#endif
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res = f_opendir(&dir, path); /* Open the directory */
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if (res != FR_OK) {
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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for ( ; ; ) {
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res = f_readdir(&dir, &fno); /* Read a directory item */
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if (res != FR_OK || fno.fname[0] == 0) break; /* Break on error or end of dir */
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if (fno.fname[0] == '.' && fno.fname[1] == 0) continue; /* Ignore . entry */
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if (fno.fname[0] == '.' && fno.fname[1] == '.' && fno.fname[2] == 0) continue; /* Ignore .. entry */
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#if _USE_LFN
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char *fn = *fno.lfname ? fno.lfname : fno.fname;
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#else
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char *fn = fno.fname;
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#endif
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// add the entry to the list
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append_dir_item (dir_list, fn, is_str_type);
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}
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f_closedir(&dir);
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}
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return dir_list;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(os_listdir_obj, 0, 1, os_listdir);
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STATIC mp_obj_t os_mkdir(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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FRESULT res = f_mkdir(path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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case FR_EXIST:
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mp_raise_msg(&mp_type_OSError, mpexception_os_request_not_possible);
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break;
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default:
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkdir_obj, os_mkdir);
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STATIC mp_obj_t os_rename(mp_obj_t path_in, mp_obj_t path_out) {
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const char *old_path = mp_obj_str_get_str(path_in);
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const char *new_path = mp_obj_str_get_str(path_out);
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FRESULT res = f_rename(old_path, new_path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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default:
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(os_rename_obj, os_rename);
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STATIC mp_obj_t os_remove(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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FRESULT res = f_unlink(path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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default:
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mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_remove_obj, os_remove);
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STATIC mp_obj_t os_stat(mp_obj_t path_in) {
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const char *path = mp_obj_str_get_str(path_in);
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bool isbuilt_in = false;
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FILINFO fno;
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FRESULT res;
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#if _USE_LFN
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fno.lfname = NULL;
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fno.lfsize = 0;
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#endif
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// check on the user mounted devices
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for (mp_uint_t i = 0; i < MP_STATE_PORT(mount_obj_list).len; i++) {
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os_fs_mount_t *mount_obj = ((os_fs_mount_t *)(MP_STATE_PORT(mount_obj_list).items[i]));
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if (path_equal(path, mount_obj->path)) {
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isbuilt_in = true;
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break;
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}
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}
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if (path_equal(path, "/") || path_equal(path, "/flash") || isbuilt_in) {
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// stat built-in directory
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fno.fsize = 0;
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fno.fdate = 0;
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fno.ftime = 0;
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fno.fattrib = AM_DIR;
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} else if ((res = f_stat(path, &fno)) != FR_OK) {
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mp_raise_OSError(fresult_to_errno_table[res]);
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}
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mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
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mp_int_t mode = 0;
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if (fno.fattrib & AM_DIR) {
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mode |= 0x4000; // stat.S_IFDIR
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} else {
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mode |= 0x8000; // stat.S_IFREG
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}
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mp_int_t seconds = timeutils_seconds_since_2000(
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1980 + ((fno.fdate >> 9) & 0x7f),
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(fno.fdate >> 5) & 0x0f,
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fno.fdate & 0x1f,
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(fno.ftime >> 11) & 0x1f,
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(fno.ftime >> 5) & 0x3f,
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2 * (fno.ftime & 0x1f)
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);
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t->items[0] = mp_obj_new_int(mode); // st_mode
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t->items[1] = MP_OBJ_NEW_SMALL_INT(0); // st_ino
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t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // st_dev
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t->items[3] = MP_OBJ_NEW_SMALL_INT(0); // st_nlink
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t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
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t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
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t->items[6] = mp_obj_new_int(fno.fsize); // st_size
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t->items[7] = mp_obj_new_int(seconds); // st_atime
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t->items[8] = t->items[7]; // st_mtime
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t->items[9] = t->items[7]; // st_ctime
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return t;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_stat_obj, os_stat);
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STATIC mp_obj_t os_sync(void) {
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|
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sflash_disk_flush();
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|
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return mp_const_none;
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|
|
|
|
@ -443,110 +123,6 @@ STATIC mp_obj_t os_urandom(mp_obj_t num) {
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_urandom_obj, os_urandom);
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|
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STATIC mp_obj_t os_mount(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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|
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static const mp_arg_t mount_args[] = {
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|
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{ MP_QSTR_readonly, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
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|
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};
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|
|
// parse args
|
|
|
|
|
mp_obj_t device = pos_args[0];
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|
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|
|
mp_obj_t mount_point = pos_args[1];
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|
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|
|
mp_arg_val_t args[MP_ARRAY_SIZE(mount_args)];
|
|
|
|
|
mp_arg_parse_all(n_args - 2, pos_args + 2, kw_args, MP_ARRAY_SIZE(mount_args), mount_args, args);
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|
|
|
|
|
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|
|
// get the mount point
|
|
|
|
|
mp_uint_t pathlen;
|
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|
|
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const char *path_in = mp_obj_str_get_data(mount_point, &pathlen);
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|
|
if (pathlen == 0) {
|
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|
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goto invalid_args;
|
|
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|
|
}
|
|
|
|
|
|
|
|
|
|
char *path = m_new(char, pathlen + 1);
|
|
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|
|
memcpy(path, path_in, pathlen);
|
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|
|
path[pathlen] = '\0';
|
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|
|
|
|
|
|
// "remove" any extra slahes at the end
|
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|
|
|
while (path[(pathlen - 1)] == '/') {
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|
|
path[--pathlen] = '\0';
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|
|
}
|
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|
|
|
|
|
|
// is the mount point valid?
|
|
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|
|
if (pathlen < 2 || path[0] !='/' || strchr(&path[1], '/')) {
|
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|
|
goto invalid_args;
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|
}
|
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|
|
|
|
|
|
|
|
// now mount it
|
|
|
|
|
mount(device, path, pathlen, args[0].u_bool);
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|
|
|
|
|
|
|
return mp_const_none;
|
|
|
|
|
|
|
|
|
|
invalid_args:
|
|
|
|
|
mp_raise_msg(&mp_type_OSError, mpexception_value_invalid_arguments);
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|
|
|
|
}
|
|
|
|
|
MP_DEFINE_CONST_FUN_OBJ_KW(os_mount_obj, 2, os_mount);
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|
|
|
|
|
|
|
|
STATIC mp_obj_t os_unmount(mp_obj_t path_o) {
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|
|
|
|
const char *path = mp_obj_str_get_str(path_o);
|
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|
|
|
|
|
|
|
|
// '/flash' cannot be unmounted, also not the current working directory
|
|
|
|
|
if (path_equal(path, "/flash")) {
|
|
|
|
|
mp_raise_msg(&mp_type_OSError, mpexception_os_request_not_possible);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// now unmount it
|
|
|
|
|
os_fs_mount_t *mount_obj;
|
|
|
|
|
if ((mount_obj = osmount_find_by_path(path))) {
|
|
|
|
|
unmount (mount_obj);
|
|
|
|
|
} else {
|
|
|
|
|
mp_raise_msg(&mp_type_ValueError, mpexception_value_invalid_arguments);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return mp_const_none;
|
|
|
|
|
}
|
|
|
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_unmount_obj, os_unmount);
|
|
|
|
|
|
|
|
|
|
STATIC mp_obj_t os_mkfs(mp_obj_t device) {
|
|
|
|
|
const char *path = "/__mkfs__mnt__";
|
|
|
|
|
os_fs_mount_t *mount_obj = NULL;
|
|
|
|
|
bool unmt = false;
|
|
|
|
|
FRESULT res;
|
|
|
|
|
|
|
|
|
|
if (MP_OBJ_IS_STR_OR_BYTES(device)) {
|
|
|
|
|
path = mp_obj_str_get_str(device);
|
|
|
|
|
// otherwise the relative path check will pass...
|
|
|
|
|
if (path[0] != '/') {
|
|
|
|
|
mp_raise_msg(&mp_type_OSError, mpexception_value_invalid_arguments);
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
// mount it briefly
|
|
|
|
|
mount(device, path, strlen(path), false);
|
|
|
|
|
unmt = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
byte sfd = 0;
|
|
|
|
|
if (!memcmp(path, "/flash", strlen("/flash"))) {
|
|
|
|
|
sfd = 1;
|
|
|
|
|
} else if ((mount_obj = osmount_find_by_path(path))) {
|
|
|
|
|
if (mount_obj->device != (mp_obj_t)&pybsd_obj &&
|
|
|
|
|
mp_obj_get_int(mp_call_method_n_kw(0, 0, mount_obj->count)) < 2048) {
|
|
|
|
|
sfd = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// now format the device
|
|
|
|
|
res = f_mkfs(path, sfd, 0);
|
|
|
|
|
|
|
|
|
|
if (unmt && mount_obj) {
|
|
|
|
|
unmount (mount_obj);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (res != FR_OK) {
|
|
|
|
|
mp_raise_msg(&mp_type_OSError, mpexception_os_operation_failed);
|
|
|
|
|
}
|
|
|
|
|
return mp_const_none;
|
|
|
|
|
}
|
|
|
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkfs_obj, os_mkfs);
|
|
|
|
|
|
|
|
|
|
STATIC mp_obj_t os_dupterm(uint n_args, |
Damien George
6 years ago