extmod/vfs_fat: Remove MICROPY_READER_FATFS component.
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/*
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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) 2013-2016 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 <stdio.h>
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#include <assert.h>
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#include "py/mperrno.h"
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#include "py/reader.h"
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#if MICROPY_READER_FATFS
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#if MICROPY_FATFS_OO
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#include "lib/oofatfs/ff.h"
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#else
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#include "lib/fatfs/ff.h"
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#endif
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#include "extmod/fsusermount.h"
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#include "extmod/vfs_fat.h"
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typedef struct _mp_reader_fatfs_t {
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FIL fp;
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uint16_t len;
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uint16_t pos;
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byte buf[20];
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} mp_reader_fatfs_t;
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STATIC mp_uint_t mp_reader_fatfs_readbyte(void *data) {
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mp_reader_fatfs_t *reader = (mp_reader_fatfs_t*)data;
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if (reader->pos >= reader->len) {
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if (reader->len < sizeof(reader->buf)) {
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return MP_READER_EOF;
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} else {
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UINT n;
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f_read(&reader->fp, reader->buf, sizeof(reader->buf), &n);
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if (n == 0) {
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return MP_READER_EOF;
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}
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reader->len = n;
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reader->pos = 0;
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}
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}
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return reader->buf[reader->pos++];
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}
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STATIC void mp_reader_fatfs_close(void *data) {
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mp_reader_fatfs_t *reader = (mp_reader_fatfs_t*)data;
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f_close(&reader->fp);
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m_del_obj(mp_reader_fatfs_t, reader);
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}
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int mp_reader_new_file(mp_reader_t *reader, const char *filename) {
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mp_reader_fatfs_t *rf = m_new_obj_maybe(mp_reader_fatfs_t);
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if (rf == NULL) {
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return MP_ENOMEM;
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}
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#if MICROPY_FATFS_OO
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fs_user_mount_t *vfs = ff_get_vfs(&filename);
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if (vfs == NULL) {
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return MP_ENOENT;
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}
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FRESULT res = f_open(&vfs->fatfs, &rf->fp, filename, FA_READ);
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#else
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FRESULT res = f_open(&rf->fp, filename, FA_READ);
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#endif
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if (res != FR_OK) {
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return fresult_to_errno_table[res];
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}
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UINT n;
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f_read(&rf->fp, rf->buf, sizeof(rf->buf), &n);
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rf->len = n;
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rf->pos = 0;
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reader->data = rf;
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reader->readbyte = mp_reader_fatfs_readbyte;
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reader->close = mp_reader_fatfs_close;
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return 0; // success
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}
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#endif
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@ -753,7 +753,7 @@ mp_lexer_t *mp_lexer_new_from_str_len(qstr src_name, const char *str, mp_uint_t
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return mp_lexer_new(src_name, reader);
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}
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#if MICROPY_READER_POSIX || MICROPY_READER_VFS || MICROPY_READER_FATFS
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#if MICROPY_READER_POSIX || MICROPY_READER_VFS
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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mp_reader_t reader;
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@ -403,11 +403,6 @@
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#define MICROPY_READER_VFS (0)
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#endif
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// Whether to use the FatFS reader for importing files
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#ifndef MICROPY_READER_FATFS
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#define MICROPY_READER_FATFS (0)
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#endif
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// Hook for the VM at the start of the opcode loop (can contain variable
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// definitions usable by the other hook functions)
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#ifndef MICROPY_VM_HOOK_INIT
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