The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
drivers/LocalFileSystem.h@138:093f2bd7b9eb, 2017-03-14 (annotated)
- Committer:
- <>
- Date:
- Tue Mar 14 16:20:51 2017 +0000
- Revision:
- 138:093f2bd7b9eb
- Parent:
- 128:9bcdf88f62b0
Release 138 of the mbed library
Ports for Upcoming Targets
Fixes and Changes
3716: fix for issue #3715: correction in startup files for ARM and IAR, alignment of system_stm32f429xx.c files https://github.com/ARMmbed/mbed-os/pull/3716
3741: STM32 remove warning in hal_tick_32b.c file https://github.com/ARMmbed/mbed-os/pull/3741
3780: STM32L4 : Fix GPIO G port compatibility https://github.com/ARMmbed/mbed-os/pull/3780
3831: NCS36510: SPISLAVE enabled (Conflict resolved) https://github.com/ARMmbed/mbed-os/pull/3831
3836: Allow to redefine nRF's PSTORAGE_NUM_OF_PAGES outside of the mbed-os https://github.com/ARMmbed/mbed-os/pull/3836
3840: STM32: gpio SPEED - always set High Speed by default https://github.com/ARMmbed/mbed-os/pull/3840
3844: STM32 GPIO: Typo correction. Update comment (GPIO_IP_WITHOUT_BRR) https://github.com/ARMmbed/mbed-os/pull/3844
3850: STM32: change spi error to debug warning https://github.com/ARMmbed/mbed-os/pull/3850
3860: Define GPIO_IP_WITHOUT_BRR for xDot platform https://github.com/ARMmbed/mbed-os/pull/3860
3880: DISCO_F469NI: allow the use of CAN2 instance when CAN1 is not activated https://github.com/ARMmbed/mbed-os/pull/3880
3795: Fix pwm period calc https://github.com/ARMmbed/mbed-os/pull/3795
3828: STM32 CAN API: correct format and type https://github.com/ARMmbed/mbed-os/pull/3828
3842: TARGET_NRF: corrected spi_init() to properly handle re-initialization https://github.com/ARMmbed/mbed-os/pull/3842
3843: STM32L476xG: set APB2 clock to 80MHz (instead of 40MHz) https://github.com/ARMmbed/mbed-os/pull/3843
3879: NUCLEO_F446ZE: Add missing AnalogIn pins on PF_3, PF_5 and PF_10. https://github.com/ARMmbed/mbed-os/pull/3879
3902: Fix heap and stack size for NUCLEO_F746ZG https://github.com/ARMmbed/mbed-os/pull/3902
3829: can_write(): return error code when no tx mailboxes are available https://github.com/ARMmbed/mbed-os/pull/3829
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 128:9bcdf88f62b0 | 1 | /* mbed Microcontroller Library |
<> | 128:9bcdf88f62b0 | 2 | * Copyright (c) 2006-2013 ARM Limited |
<> | 128:9bcdf88f62b0 | 3 | * |
<> | 128:9bcdf88f62b0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 128:9bcdf88f62b0 | 5 | * you may not use this file except in compliance with the License. |
<> | 128:9bcdf88f62b0 | 6 | * You may obtain a copy of the License at |
<> | 128:9bcdf88f62b0 | 7 | * |
<> | 128:9bcdf88f62b0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 128:9bcdf88f62b0 | 9 | * |
<> | 128:9bcdf88f62b0 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 128:9bcdf88f62b0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 128:9bcdf88f62b0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 128:9bcdf88f62b0 | 13 | * See the License for the specific language governing permissions and |
<> | 128:9bcdf88f62b0 | 14 | * limitations under the License. |
<> | 128:9bcdf88f62b0 | 15 | */ |
<> | 128:9bcdf88f62b0 | 16 | #ifndef MBED_LOCALFILESYSTEM_H |
<> | 128:9bcdf88f62b0 | 17 | #define MBED_LOCALFILESYSTEM_H |
<> | 128:9bcdf88f62b0 | 18 | |
<> | 128:9bcdf88f62b0 | 19 | #include "platform/platform.h" |
<> | 128:9bcdf88f62b0 | 20 | |
<> | 128:9bcdf88f62b0 | 21 | #if DEVICE_LOCALFILESYSTEM |
<> | 128:9bcdf88f62b0 | 22 | |
<> | 128:9bcdf88f62b0 | 23 | #include "drivers/FileSystemLike.h" |
<> | 128:9bcdf88f62b0 | 24 | #include "platform/PlatformMutex.h" |
<> | 128:9bcdf88f62b0 | 25 | |
<> | 128:9bcdf88f62b0 | 26 | namespace mbed { |
<> | 128:9bcdf88f62b0 | 27 | /** \addtogroup drivers */ |
<> | 128:9bcdf88f62b0 | 28 | /** @{*/ |
<> | 128:9bcdf88f62b0 | 29 | |
<> | 128:9bcdf88f62b0 | 30 | FILEHANDLE local_file_open(const char* name, int flags); |
<> | 128:9bcdf88f62b0 | 31 | |
<> | 128:9bcdf88f62b0 | 32 | class LocalFileHandle : public FileHandle { |
<> | 128:9bcdf88f62b0 | 33 | |
<> | 128:9bcdf88f62b0 | 34 | public: |
<> | 128:9bcdf88f62b0 | 35 | LocalFileHandle(FILEHANDLE fh); |
<> | 128:9bcdf88f62b0 | 36 | |
<> | 128:9bcdf88f62b0 | 37 | virtual int close(); |
<> | 128:9bcdf88f62b0 | 38 | |
<> | 128:9bcdf88f62b0 | 39 | virtual ssize_t write(const void *buffer, size_t length); |
<> | 128:9bcdf88f62b0 | 40 | |
<> | 128:9bcdf88f62b0 | 41 | virtual ssize_t read(void *buffer, size_t length); |
<> | 128:9bcdf88f62b0 | 42 | |
<> | 128:9bcdf88f62b0 | 43 | virtual int isatty(); |
<> | 128:9bcdf88f62b0 | 44 | |
<> | 128:9bcdf88f62b0 | 45 | virtual off_t lseek(off_t position, int whence); |
<> | 128:9bcdf88f62b0 | 46 | |
<> | 128:9bcdf88f62b0 | 47 | virtual int fsync(); |
<> | 128:9bcdf88f62b0 | 48 | |
<> | 128:9bcdf88f62b0 | 49 | virtual off_t flen(); |
<> | 128:9bcdf88f62b0 | 50 | |
<> | 128:9bcdf88f62b0 | 51 | protected: |
<> | 128:9bcdf88f62b0 | 52 | virtual void lock(); |
<> | 128:9bcdf88f62b0 | 53 | virtual void unlock(); |
<> | 128:9bcdf88f62b0 | 54 | FILEHANDLE _fh; |
<> | 128:9bcdf88f62b0 | 55 | int pos; |
<> | 128:9bcdf88f62b0 | 56 | PlatformMutex _mutex; |
<> | 128:9bcdf88f62b0 | 57 | }; |
<> | 128:9bcdf88f62b0 | 58 | |
<> | 128:9bcdf88f62b0 | 59 | /** A filesystem for accessing the local mbed Microcontroller USB disk drive |
<> | 128:9bcdf88f62b0 | 60 | * |
<> | 128:9bcdf88f62b0 | 61 | * This allows programs to read and write files on the same disk drive that is used to program the |
<> | 128:9bcdf88f62b0 | 62 | * mbed Microcontroller. Once created, the standard C file access functions are used to open, |
<> | 128:9bcdf88f62b0 | 63 | * read and write files. |
<> | 128:9bcdf88f62b0 | 64 | * |
<> | 128:9bcdf88f62b0 | 65 | * @Note Synchronization level: Thread safe |
<> | 128:9bcdf88f62b0 | 66 | * |
<> | 128:9bcdf88f62b0 | 67 | * Example: |
<> | 128:9bcdf88f62b0 | 68 | * @code |
<> | 128:9bcdf88f62b0 | 69 | * #include "mbed.h" |
<> | 128:9bcdf88f62b0 | 70 | * |
<> | 128:9bcdf88f62b0 | 71 | * LocalFileSystem local("local"); // Create the local filesystem under the name "local" |
<> | 128:9bcdf88f62b0 | 72 | * |
<> | 128:9bcdf88f62b0 | 73 | * int main() { |
<> | 128:9bcdf88f62b0 | 74 | * FILE *fp = fopen("/local/out.txt", "w"); // Open "out.txt" on the local file system for writing |
<> | 128:9bcdf88f62b0 | 75 | * fprintf(fp, "Hello World!"); |
<> | 128:9bcdf88f62b0 | 76 | * fclose(fp); |
<> | 128:9bcdf88f62b0 | 77 | * remove("/local/out.txt"); // Removes the file "out.txt" from the local file system |
<> | 128:9bcdf88f62b0 | 78 | * |
<> | 128:9bcdf88f62b0 | 79 | * DIR *d = opendir("/local"); // Opens the root directory of the local file system |
<> | 128:9bcdf88f62b0 | 80 | * struct dirent *p; |
<> | 128:9bcdf88f62b0 | 81 | * while((p = readdir(d)) != NULL) { // Print the names of the files in the local file system |
<> | 128:9bcdf88f62b0 | 82 | * printf("%s\n", p->d_name); // to stdout. |
<> | 128:9bcdf88f62b0 | 83 | * } |
<> | 128:9bcdf88f62b0 | 84 | * closedir(d); |
<> | 128:9bcdf88f62b0 | 85 | * } |
<> | 128:9bcdf88f62b0 | 86 | * @endcode |
<> | 128:9bcdf88f62b0 | 87 | * |
<> | 128:9bcdf88f62b0 | 88 | * @note |
<> | 128:9bcdf88f62b0 | 89 | * If the microcontroller program makes an access to the local drive, it will be marked as "removed" |
<> | 128:9bcdf88f62b0 | 90 | * on the Host computer. This means it is no longer accessible from the Host Computer. |
<> | 128:9bcdf88f62b0 | 91 | * |
<> | 128:9bcdf88f62b0 | 92 | * The drive will only re-appear when the microcontroller program exists. Note that if the program does |
<> | 128:9bcdf88f62b0 | 93 | * not exit, you will need to hold down reset on the mbed Microcontroller to be able to see the drive again! |
<> | 128:9bcdf88f62b0 | 94 | */ |
<> | 128:9bcdf88f62b0 | 95 | class LocalFileSystem : public FileSystemLike { |
<> | 128:9bcdf88f62b0 | 96 | // No modifiable state |
<> | 128:9bcdf88f62b0 | 97 | |
<> | 128:9bcdf88f62b0 | 98 | public: |
<> | 128:9bcdf88f62b0 | 99 | LocalFileSystem(const char* n) : FileSystemLike(n) { |
<> | 128:9bcdf88f62b0 | 100 | |
<> | 128:9bcdf88f62b0 | 101 | } |
<> | 128:9bcdf88f62b0 | 102 | |
<> | 128:9bcdf88f62b0 | 103 | virtual FileHandle *open(const char* name, int flags); |
<> | 128:9bcdf88f62b0 | 104 | virtual int remove(const char *filename); |
<> | 128:9bcdf88f62b0 | 105 | virtual DirHandle *opendir(const char *name); |
<> | 128:9bcdf88f62b0 | 106 | }; |
<> | 128:9bcdf88f62b0 | 107 | |
<> | 128:9bcdf88f62b0 | 108 | } // namespace mbed |
<> | 128:9bcdf88f62b0 | 109 | |
<> | 128:9bcdf88f62b0 | 110 | #endif |
<> | 128:9bcdf88f62b0 | 111 | |
<> | 128:9bcdf88f62b0 | 112 | #endif |
<> | 128:9bcdf88f62b0 | 113 | |
<> | 128:9bcdf88f62b0 | 114 | /** @}*/ |