109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file httpd_fatfs.h
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* @brief HTTPD FatFS bindings code.
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* @addtogroup LWIP_HTTPD_FATFS
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* @{
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*/
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#include <string.h>
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#include "ch.h"
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#include "hal.h"
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#include "lwip/apps/fs.h"
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#include "lwip/opt.h"
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#include "lwip/mem.h"
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#include "lwip/apps/httpd.h"
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#include "ff.h"
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static GUARDEDMEMORYPOOL_DECL (http_file_pool, sizeof(FIL), sizeof(int));
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static FIL http_file_array[16];
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void httpd_fatfs_init(void) {
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chGuardedPoolLoadArray(&http_file_pool,
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http_file_array,
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sizeof http_file_array / sizeof (FIL));
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}
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int fs_open_custom(struct fs_file *file, const char *name) {
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FIL *filp;
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filp = (FIL *) chGuardedPoolAllocTimeout(&http_file_pool, TIME_INFINITE);
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memset(file, '\0', sizeof (struct fs_file));
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if (f_open(filp, _T(name), FA_READ) != FR_OK) {
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chGuardedPoolFree(&http_file_pool, (void *)filp);
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return 0;
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}
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file->data = NULL;
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file->len = (FSIZE_t)f_size(filp);
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file->index = 0;
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file->pextension = (fs_file_extension *)filp;
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return 1;
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}
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void fs_close_custom(struct fs_file *file) {
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if (file != NULL) {
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if (file->pextension != NULL) {
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f_close((FIL *)file->pextension);
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chGuardedPoolFree(&http_file_pool, (void *)file->pextension);
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file->pextension = NULL;
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}
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}
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}
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int fs_read_custom(struct fs_file *file, char *buffer, int count) {
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do {
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FRESULT res;
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UINT br;
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FIL *fil;
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if (file == NULL) {
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break;
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}
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if (file->pextension == NULL) {
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break;
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}
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fil = (FIL *)file->pextension;
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if (f_eof(fil)) {
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break;
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}
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res = f_read(fil, buffer, count, &br);
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if (res != FR_OK) {
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return 0;
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}
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file->index += (int)br;
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return (int)br;
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} while (false);
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return FS_READ_EOF;
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}
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/** @} */
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