Yihui Xiong / BLE_NODE_TEST

Test code for Grove Node BLE

Dependencies:   BLE_API nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

mbed-src/api/LocalFileSystem.h@10:22480ac31879, 2014-11-27 (annotated)

Committer:
yihui
Date:
Thu Nov 27 09:30:36 2014 +0000
Revision:
10:22480ac31879
Parent:
9:05f0b5a3a70a 
change to new revision hardware

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_LOCALFILESYSTEM_H
yihui 9:05f0b5a3a70a 17 #define MBED_LOCALFILESYSTEM_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "platform.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 #if DEVICE_LOCALFILESYSTEM
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 #include "FileSystemLike.h"
yihui 9:05f0b5a3a70a 24
yihui 9:05f0b5a3a70a 25 namespace mbed {
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 FILEHANDLE local_file_open(const char* name, int flags);
yihui 9:05f0b5a3a70a 28
yihui 9:05f0b5a3a70a 29 class LocalFileHandle : public FileHandle {
yihui 9:05f0b5a3a70a 30
yihui 9:05f0b5a3a70a 31 public:
yihui 9:05f0b5a3a70a 32 LocalFileHandle(FILEHANDLE fh);
yihui 9:05f0b5a3a70a 33
yihui 9:05f0b5a3a70a 34 virtual int close();
yihui 9:05f0b5a3a70a 35
yihui 9:05f0b5a3a70a 36 virtual ssize_t write(const void *buffer, size_t length);
yihui 9:05f0b5a3a70a 37
yihui 9:05f0b5a3a70a 38 virtual ssize_t read(void *buffer, size_t length);
yihui 9:05f0b5a3a70a 39
yihui 9:05f0b5a3a70a 40 virtual int isatty();
yihui 9:05f0b5a3a70a 41
yihui 9:05f0b5a3a70a 42 virtual off_t lseek(off_t position, int whence);
yihui 9:05f0b5a3a70a 43
yihui 9:05f0b5a3a70a 44 virtual int fsync();
yihui 9:05f0b5a3a70a 45
yihui 9:05f0b5a3a70a 46 virtual off_t flen();
yihui 9:05f0b5a3a70a 47
yihui 9:05f0b5a3a70a 48 protected:
yihui 9:05f0b5a3a70a 49 FILEHANDLE _fh;
yihui 9:05f0b5a3a70a 50 int pos;
yihui 9:05f0b5a3a70a 51 };
yihui 9:05f0b5a3a70a 52
yihui 9:05f0b5a3a70a 53 /** A filesystem for accessing the local mbed Microcontroller USB disk drive
yihui 9:05f0b5a3a70a 54 *
yihui 9:05f0b5a3a70a 55 * This allows programs to read and write files on the same disk drive that is used to program the
yihui 9:05f0b5a3a70a 56 * mbed Microcontroller. Once created, the standard C file access functions are used to open,
yihui 9:05f0b5a3a70a 57 * read and write files.
yihui 9:05f0b5a3a70a 58 *
yihui 9:05f0b5a3a70a 59 * Example:
yihui 9:05f0b5a3a70a 60 * @code
yihui 9:05f0b5a3a70a 61 * #include "mbed.h"
yihui 9:05f0b5a3a70a 62 *
yihui 9:05f0b5a3a70a 63 * LocalFileSystem local("local"); // Create the local filesystem under the name "local"
yihui 9:05f0b5a3a70a 64 *
yihui 9:05f0b5a3a70a 65 * int main() {
yihui 9:05f0b5a3a70a 66 * FILE *fp = fopen("/local/out.txt", "w"); // Open "out.txt" on the local file system for writing
yihui 9:05f0b5a3a70a 67 * fprintf(fp, "Hello World!");
yihui 9:05f0b5a3a70a 68 * fclose(fp);
yihui 9:05f0b5a3a70a 69 * remove("/local/out.txt"); // Removes the file "out.txt" from the local file system
yihui 9:05f0b5a3a70a 70 *
yihui 9:05f0b5a3a70a 71 * DIR *d = opendir("/local"); // Opens the root directory of the local file system
yihui 9:05f0b5a3a70a 72 * struct dirent *p;
yihui 9:05f0b5a3a70a 73 * while((p = readdir(d)) != NULL) { // Print the names of the files in the local file system
yihui 9:05f0b5a3a70a 74 * printf("%s\n", p->d_name); // to stdout.
yihui 9:05f0b5a3a70a 75 * }
yihui 9:05f0b5a3a70a 76 * closedir(d);
yihui 9:05f0b5a3a70a 77 * }
yihui 9:05f0b5a3a70a 78 * @endcode
yihui 9:05f0b5a3a70a 79 *
yihui 9:05f0b5a3a70a 80 * @note
yihui 9:05f0b5a3a70a 81 * If the microcontroller program makes an access to the local drive, it will be marked as "removed"
yihui 9:05f0b5a3a70a 82 * on the Host computer. This means it is no longer accessible from the Host Computer.
yihui 9:05f0b5a3a70a 83 *
yihui 9:05f0b5a3a70a 84 * The drive will only re-appear when the microcontroller program exists. Note that if the program does
yihui 9:05f0b5a3a70a 85 * not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again!
yihui 9:05f0b5a3a70a 86 */
yihui 9:05f0b5a3a70a 87 class LocalFileSystem : public FileSystemLike {
yihui 9:05f0b5a3a70a 88
yihui 9:05f0b5a3a70a 89 public:
yihui 9:05f0b5a3a70a 90 LocalFileSystem(const char* n) : FileSystemLike(n) {
yihui 9:05f0b5a3a70a 91
yihui 9:05f0b5a3a70a 92 }
yihui 9:05f0b5a3a70a 93
yihui 9:05f0b5a3a70a 94 virtual FileHandle *open(const char* name, int flags);
yihui 9:05f0b5a3a70a 95 virtual int remove(const char *filename);
yihui 9:05f0b5a3a70a 96 virtual DirHandle *opendir(const char *name);
yihui 9:05f0b5a3a70a 97 };
yihui 9:05f0b5a3a70a 98
yihui 9:05f0b5a3a70a 99 } // namespace mbed
yihui 9:05f0b5a3a70a 100
yihui 9:05f0b5a3a70a 101 #endif
yihui 9:05f0b5a3a70a 102
yihui 9:05f0b5a3a70a 103 #endif