Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
Diff: api/FileInterface.h
- Revision:
- 29:b6af04b77a56
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/api/FileInterface.h Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,187 @@ +/** + * ACKme WiConnect Host Library is licensed under the BSD licence: + * + * Copyright (c)2014 ACKme Networks. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +#pragma once + + +#include "WiconnectTypes.h" +#include "types/FileList.h" + + +/** + * @ingroup api_file_macro + * @brief The maximum filename size of a file on the WiConnect WiFi module filesystem + */ +#define FILE_NAME_MAX_SIZE 96 + +/** + * @ingroup api_file_macro + * @def FILE_MAKE_VERSION(major, minor, patch, rc) + * @brief Combine <\a major>.<\a minor>.<\a patch>.<\a rc> and create version as a uint32_t + */ +#define FILE_MAKE_VERSION(major, minor, patch, rc) ((unsigned int)((major) << 27)|(unsigned int)((minor) << 21)|(unsigned int)((patch) << 8)|(unsigned int)((rc) << 0)) +/** + * @ingroup api_file_macro + * @def FILE_VERSION_ARGS(version) + * @brief Given a uint32_t \a version, return arguments for a variable argument function such as printf(). The format string is: %d.%d.%d.%d + */ +#define FILE_VERSION_ARGS(version) (unsigned int)((version >> 27) & 0x1F),(unsigned int)((version >> 21) & 0x3F),(unsigned int)((version >> 8) & 0x1FFF),(unsigned int)(version & 0xFF) + + +namespace wiconnect { + + +/** + * @ingroup api_file_types + * + * @brief The provides an interface for creating TCP/UDP/TLS/HTTP client sockets. + * A client socket connects to a remote server. + * + * @note This class is an interface to the Wiconnect class. It should never be + * independently instantiated or the parent of another class. + */ +class FileInterface +{ +public: + /** + * @ingroup api_file_methods + * + * @brief Create a file on the Wiconnect WiFi module filesystem. + * + * This creates a file on the module's filesystem. The file's name and size are required. + * Optionally specify the version, type and if it's essential (i.e. if it should never be automatically deleted, careful with + * this optional as it could cause the the module to not be able to update its firmware). + * + * When this method is executed, the file is created on the module then the 'reader' parameter callback is + * called until all the file data is read from the HOST and written to the module file. + * + * @param[in] reader Callback to be executed until all file data has been read from the HOST and written to the module + * @param[in] user This is supplied to the @ref ReaderFunc callback. It is not used by the library. Leave NULL if not needed. + * @param[in] name The name of the file to create + * @param[in] size The size in bytes of the file + * @param[in] version Optional, the version of the file, defaults to 1.0.0.0 + * @param[in] type Optional, the file type, defaults to FILE_TYPE_MISC_FIX_LEN + * @param[in] isEssential Optional, specify if the file should never be automatically deleted during a firmware upgrade + * @param[in] checksum The CRC16 checksum of the file data. The module verifies the written data against this checksum + * @return Result of method. See @ref WiconnectResult + */ + WiconnectResult createFile(const ReaderFunc &reader, void *user, const char *name, uint32_t size, uint32_t version = 0, FileType type = FILE_TYPE_ANY, bool isEssential = false, int32_t checksum = -1); + + /** + * @ingroup api_file_methods + * + * @brief Open a file on the Wiconnect WiFi module filesystem for reading. + * + * Once opened, the returned @ref WiconnectFile object may only be read. + * + * @param[out] file The @ref WiconnectFile object to read data from + * @param[in] name The name of the file to open + * @return Result of method. See @ref WiconnectResult + */ + WiconnectResult openFile(WiconnectFile &file, const char *name); + + /** + * @ingroup api_file_methods + * + * @brief Delete a file for the Wiconnect WiFi module filesystem. + * + * @param[in] name The name of the file to delete + * @return Result of method. See @ref WiconnectResult + */ + WiconnectResult deleteFile(const char *name); + + /** + * @ingroup api_file_methods + * + * @brief Delete a file for the Wiconnect WiFi module filesystem. + * + * @param[in] file The @ref WiconnectFile object of the file to delete + * @return Result of method. See @ref WiconnectResult + */ + WiconnectResult deleteFile(const WiconnectFile &file); + + /** + * @ingroup api_file_methods + * + * @brief List the files on the Wiconnect WiFi module filesystem. + * + * This lists all the files on the filesystem. + * Optionally filter by one or more parameters: + * * name - list files only with given name. If the name started with the wildcard character '*', then + * only the characters after it are used for filter. + * Example: + * @code + * wiconnect.listFiles(fileList, "*.txt"); // only list files with '.txt' extension + * @endcode + * * type - only list files with given type + * * version - only list file with given version + * @return Result of method. See @ref WiconnectResult + */ + WiconnectResult listFiles(FileList &list, const char *name = NULL, FileType type = FILE_TYPE_ANY, uint32_t version = 0); + + + // ------------------------------------------------------------------------ + + + /** + * @ingroup conversion_util + * + * @brief Convert file version uint32 to string. + */ + static const char* fileVersionIntToStr(uint32_t version, bool verbose = true, char *buffer = NULL); + + /** + * @ingroup conversion_util + * + * @brief Convert string to file version uint32. + */ + static bool fileVersionStrToInt(const char *versionStr, uint32_t *versionIntPtr); + + /** + * @ingroup conversion_util + * + * Convert @ref FileType to string. + */ + static const char* fileTypeToStr(FileType type); + + /** + * @ingroup conversion_util + * + * @brief Convert @ref FileFlags to string. + */ + static const char* fileFlagsToStr(FileFlags flags, char *buffer = NULL); + +protected: + FileInterface(Wiconnect *wiconnect); + + WiconnectResult processFileList(char *responseStr, FileList &list, const char *name, FileType type, uint32_t version); +private: + Wiconnect *wiconnect; +}; + +}