firmwareV3 -

Users » Markus_Paar » Code » firmwareV3

Markus Paar / Mbed 2 deprecated firmwareV3

FirmwareUpdater.cpp@0:48870d877970, 2011-09-19 (annotated)

Committer:: Markus_Paar
Date:: Mon Sep 19 10:25:22 2011 +0000
Revision:: 0:48870d877970

Who changed what in which revision?

User	Revision	Line number	New contents of line
Markus_Paar	0:48870d877970	1	/**
Markus_Paar	0:48870d877970	2	* =============================================================================
Markus_Paar	0:48870d877970	3	* Firmware updater (Version 0.0.2)
Markus_Paar	0:48870d877970	4	* =============================================================================
Markus_Paar	0:48870d877970	5	* Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
Markus_Paar	0:48870d877970	6	*
Markus_Paar	0:48870d877970	7	* Permission is hereby granted, free of charge, to any person obtaining a copy
Markus_Paar	0:48870d877970	8	* of this software and associated documentation files (the "Software"), to deal
Markus_Paar	0:48870d877970	9	* in the Software without restriction, including without limitation the rights
Markus_Paar	0:48870d877970	10	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Markus_Paar	0:48870d877970	11	* copies of the Software, and to permit persons to whom the Software is
Markus_Paar	0:48870d877970	12	* furnished to do so, subject to the following conditions:
Markus_Paar	0:48870d877970	13	*
Markus_Paar	0:48870d877970	14	* The above copyright notice and this permission notice shall be included in
Markus_Paar	0:48870d877970	15	* all copies or substantial portions of the Software.
Markus_Paar	0:48870d877970	16	*
Markus_Paar	0:48870d877970	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Markus_Paar	0:48870d877970	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Markus_Paar	0:48870d877970	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Markus_Paar	0:48870d877970	20	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Markus_Paar	0:48870d877970	21	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Markus_Paar	0:48870d877970	22	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Markus_Paar	0:48870d877970	23	* THE SOFTWARE.
Markus_Paar	0:48870d877970	24	* =============================================================================
Markus_Paar	0:48870d877970	25	*/
Markus_Paar	0:48870d877970	26
Markus_Paar	0:48870d877970	27	#include "FirmwareUpdater.h"
Markus_Paar	0:48870d877970	28
Markus_Paar	0:48870d877970	29	#include <stdio.h>
Markus_Paar	0:48870d877970	30	#include <stdarg.h>
Markus_Paar	0:48870d877970	31	#include "MSCFileSystem.h"
Markus_Paar	0:48870d877970	32
Markus_Paar	0:48870d877970	33	extern "C" void mbed_reset();
Markus_Paar	0:48870d877970	34
Markus_Paar	0:48870d877970	35	const std::string FirmwareUpdater::EXT_BIN = ".bin";
Markus_Paar	0:48870d877970	36	const std::string FirmwareUpdater::EXT_BINTMP = ".b__";
Markus_Paar	0:48870d877970	37	const std::string FirmwareUpdater::EXT_TXT = ".txt";
Markus_Paar	0:48870d877970	38	const std::string FirmwareUpdater::EXT_TXTTMP = ".t__";
Markus_Paar	0:48870d877970	39	MSCFileSystem fs ("fs");
Markus_Paar	0:48870d877970	40	LocalFileSystem local ("local");
Markus_Paar	0:48870d877970	41
Markus_Paar	0:48870d877970	42	/**
Markus_Paar	0:48870d877970	43	* Create.
Markus_Paar	0:48870d877970	44	*
Markus_Paar	0:48870d877970	45	* @param url URL for firmware. Do not include a target file name.
Markus_Paar	0:48870d877970	46	* @param name An application name. Do not include a extention.
Markus_Paar	0:48870d877970	47	* @param log True if logging.
Markus_Paar	0:48870d877970	48	*/
Markus_Paar	0:48870d877970	49	FirmwareUpdater::FirmwareUpdater(std::string src_name, std::string dest_name, bool log)
Markus_Paar	0:48870d877970	50	: src_name(src_name), dest_name(dest_name), log(log), local("local") {
Markus_Paar	0:48870d877970	51	//client.setTimeout(10000);
Markus_Paar	0:48870d877970	52
Markus_Paar	0:48870d877970	53	/*
Markus_Paar	0:48870d877970	54	* A file name on the mbed local file system should keep '8 + 3' types of name.
Markus_Paar	0:48870d877970	55	*/
Markus_Paar	0:48870d877970	56	if (MAXNAMELEN < dest_name.length()) {
Markus_Paar	0:48870d877970	57	LOG("ERR : Invalid firmware name '%s' found. The maximum length is %d.\n", dest_name.c_str(), MAXNAMELEN);
Markus_Paar	0:48870d877970	58	error("ERR : Invalid firmware name '%s' found. The maximum length is %d.\n", dest_name.c_str(), MAXNAMELEN);
Markus_Paar	0:48870d877970	59	}
Markus_Paar	0:48870d877970	60	}
Markus_Paar	0:48870d877970	61
Markus_Paar	0:48870d877970	62	/**
Markus_Paar	0:48870d877970	63	* Dispose.
Markus_Paar	0:48870d877970	64	*/
Markus_Paar	0:48870d877970	65	FirmwareUpdater::~FirmwareUpdater() {
Markus_Paar	0:48870d877970	66	}
Markus_Paar	0:48870d877970	67
Markus_Paar	0:48870d877970	68	/**
Markus_Paar	0:48870d877970	69	* Get a URL.
Markus_Paar	0:48870d877970	70	*
Markus_Paar	0:48870d877970	71	* @return URL.
Markus_Paar	0:48870d877970	72	*/
Markus_Paar	0:48870d877970	73	const std::string FirmwareUpdater:: get_src_name() const {
Markus_Paar	0:48870d877970	74	return src_name;
Markus_Paar	0:48870d877970	75	}
Markus_Paar	0:48870d877970	76
Markus_Paar	0:48870d877970	77	/**
Markus_Paar	0:48870d877970	78	* Get a name.
Markus_Paar	0:48870d877970	79	*
Markus_Paar	0:48870d877970	80	* @return name.
Markus_Paar	0:48870d877970	81	*/
Markus_Paar	0:48870d877970	82	const std::string FirmwareUpdater:: get_dest_name() const {
Markus_Paar	0:48870d877970	83	return dest_name;
Markus_Paar	0:48870d877970	84	}
Markus_Paar	0:48870d877970	85
Markus_Paar	0:48870d877970	86	/**
Markus_Paar	0:48870d877970	87	* Checking a new firmware.
Markus_Paar	0:48870d877970	88	* Compare versions of the software between local storage on mbed and on USB-device.
Markus_Paar	0:48870d877970	89	*
Markus_Paar	0:48870d877970	90	* @return Return 0 if a new firmware exists.
Markus_Paar	0:48870d877970	91	*/
Markus_Paar	0:48870d877970	92	int FirmwareUpdater::exist() {
Markus_Paar	0:48870d877970	93	int ver_local, ver_USB;
Markus_Paar	0:48870d877970	94
Markus_Paar	0:48870d877970	95	/*
Markus_Paar	0:48870d877970	96	* Fetch the version from a local.
Markus_Paar	0:48870d877970	97	*/
Markus_Paar	0:48870d877970	98	std::string file_local = "/local/" + dest_name + EXT_TXT;
Markus_Paar	0:48870d877970	99	ver_local = readVersionFromFile(file_local.c_str());
Markus_Paar	0:48870d877970	100	if (ver_local < 0) {
Markus_Paar	0:48870d877970	101	return -1;
Markus_Paar	0:48870d877970	102	}
Markus_Paar	0:48870d877970	103
Markus_Paar	0:48870d877970	104	/*
Markus_Paar	0:48870d877970	105	* Fetch the version from a server.
Markus_Paar	0:48870d877970	106	*/
Markus_Paar	0:48870d877970	107	std::string file_usb = "/fs/" + src_name + EXT_TXT;
Markus_Paar	0:48870d877970	108	ver_USB = readVersionFromUSB(file_usb.c_str());
Markus_Paar	0:48870d877970	109	if (ver_USB < 0) {
Markus_Paar	0:48870d877970	110	return -2;
Markus_Paar	0:48870d877970	111	}
Markus_Paar	0:48870d877970	112
Markus_Paar	0:48870d877970	113	return (ver_local < ver_USB) ? 0 : 1;
Markus_Paar	0:48870d877970	114	}
Markus_Paar	0:48870d877970	115
Markus_Paar	0:48870d877970	116	/**
Markus_Paar	0:48870d877970	117	* Execute update.
Markus_Paar	0:48870d877970	118	*
Markus_Paar	0:48870d877970	119	* @return Return 0 if it succeed.
Markus_Paar	0:48870d877970	120	*/
Markus_Paar	0:48870d877970	121	int FirmwareUpdater::execute() {
Markus_Paar	0:48870d877970	122	/*
Markus_Paar	0:48870d877970	123	* Fetch the files.
Markus_Paar	0:48870d877970	124	*/
Markus_Paar	0:48870d877970	125	/*
Markus_Paar	0:48870d877970	126	std::string usb_txt = "/fs/" + src_name + EXT_TXT;
Markus_Paar	0:48870d877970	127	std::string file_txttmp = "/local/" + dest_name + EXT_TXTTMP;
Markus_Paar	0:48870d877970	128	if (fetch(usb_txt, file_txttmp) != 0) {
Markus_Paar	0:48870d877970	129	LOG("ERR : Aborted...\n");
Markus_Paar	0:48870d877970	130	return -1;
Markus_Paar	0:48870d877970	131	}
Markus_Paar	0:48870d877970	132	std::string usb_bin = "/fs/" + src_name + EXT_BIN;
Markus_Paar	0:48870d877970	133	std::string file_bintmp = "/local/" + dest_name + EXT_BINTMP;
Markus_Paar	0:48870d877970	134	if (fetch(usb_bin, file_bintmp) != 0) {
Markus_Paar	0:48870d877970	135	LOG("ERR : Aborted...\n");
Markus_Paar	0:48870d877970	136	return -2;
Markus_Paar	0:48870d877970	137	}
Markus_Paar	0:48870d877970	138	*/
Markus_Paar	0:48870d877970	139
Markus_Paar	0:48870d877970	140	/*
Markus_Paar	0:48870d877970	141	* Check the firmware versions.
Markus_Paar	0:48870d877970	142	*/
Markus_Paar	0:48870d877970	143	std::string dest_file_txt = "/local/" + dest_name + EXT_TXT;
Markus_Paar	0:48870d877970	144	std::string src_file_txt = "/fs/" + src_name + EXT_TXT;
Markus_Paar	0:48870d877970	145	int ver_old = readVersionFromFile(dest_file_txt.c_str());
Markus_Paar	0:48870d877970	146	int ver_new = readVersionFromFile(src_file_txt.c_str());
Markus_Paar	0:48870d877970	147	if (ver_old < 0) {
Markus_Paar	0:48870d877970	148	LOG("ERR : Could not read the previous firmware version.\n");
Markus_Paar	0:48870d877970	149	LOG("ERR : Aborted...\n");
Markus_Paar	0:48870d877970	150	return -3;
Markus_Paar	0:48870d877970	151	}
Markus_Paar	0:48870d877970	152	if (ver_new < 0) {
Markus_Paar	0:48870d877970	153	LOG("ERR : Could not read the new firmware version.\n");
Markus_Paar	0:48870d877970	154	LOG("ERR : Aborted...\n");
Markus_Paar	0:48870d877970	155	return -4;
Markus_Paar	0:48870d877970	156	}
Markus_Paar	0:48870d877970	157	if (ver_new < ver_old) {
Markus_Paar	0:48870d877970	158	LOG("ERR : Ignore the new firmware. (old=%d, new=%d)\n", ver_old, ver_new);
Markus_Paar	0:48870d877970	159	LOG("ERR : Aborted...\n");
Markus_Paar	0:48870d877970	160	return -5;
Markus_Paar	0:48870d877970	161	}
Markus_Paar	0:48870d877970	162	LOG("INFO: Firmware updating... (%d -> %d)\n", ver_old, ver_new);
Markus_Paar	0:48870d877970	163
Markus_Paar	0:48870d877970	164	/*
Markus_Paar	0:48870d877970	165	* Cleanup the previous versions.
Markus_Paar	0:48870d877970	166	*
Markus_Paar	0:48870d877970	167	* Note:
Markus_Paar	0:48870d877970	168	* A file time stamp on mbed is always '12:00 01/01/2008'.
Markus_Paar	0:48870d877970	169	* mbed can't sense updated firmware when the file name is same as previous version.
Markus_Paar	0:48870d877970	170	*
Markus_Paar	0:48870d877970	171	* So I decided to cleanup all bin files.
Markus_Paar	0:48870d877970	172	* And the new firmware name is 'name-VERSION.bin'.
Markus_Paar	0:48870d877970	173	* To remove previous versions at first means 'start critical section on the system'.
Markus_Paar	0:48870d877970	174	*/
Markus_Paar	0:48870d877970	175	cleanupAllBinFiles();
Markus_Paar	0:48870d877970	176
Markus_Paar	0:48870d877970	177	/*
Markus_Paar	0:48870d877970	178	* Copy it.
Markus_Paar	0:48870d877970	179	*/
Markus_Paar	0:48870d877970	180	char nn[32];
Markus_Paar	0:48870d877970	181	createNewBinName(ver_new, nn, sizeof(nn));
Markus_Paar	0:48870d877970	182	LOG("INFO: generate src name & dest name ... (%d)", ver_new);
Markus_Paar	0:48870d877970	183	std::string src_file_bin = "/fs/" + src_name + EXT_BIN;
Markus_Paar	0:48870d877970	184	std::string dest_file_bin = "/local/" + dest_name + EXT_BIN;
Markus_Paar	0:48870d877970	185	if (copy(src_file_txt, dest_file_txt) != 0) {
Markus_Paar	0:48870d877970	186	return -6;
Markus_Paar	0:48870d877970	187	}
Markus_Paar	0:48870d877970	188
Markus_Paar	0:48870d877970	189	if (copy(src_file_bin, dest_file_bin) != 0) {
Markus_Paar	0:48870d877970	190	return -7;
Markus_Paar	0:48870d877970	191	}
Markus_Paar	0:48870d877970	192	/*
Markus_Paar	0:48870d877970	193	* Delete the temporary files.
Markus_Paar	0:48870d877970	194	*/
Markus_Paar	0:48870d877970	195	//remove(file_txttmp.c_str());
Markus_Paar	0:48870d877970	196	//remove(file_bintmp.c_str());
Markus_Paar	0:48870d877970	197	return 0;
Markus_Paar	0:48870d877970	198	}
Markus_Paar	0:48870d877970	199
Markus_Paar	0:48870d877970	200	/**
Markus_Paar	0:48870d877970	201	* Reset system.
Markus_Paar	0:48870d877970	202	*/
Markus_Paar	0:48870d877970	203	void FirmwareUpdater::reset() {
Markus_Paar	0:48870d877970	204	mbed_reset();
Markus_Paar	0:48870d877970	205	}
Markus_Paar	0:48870d877970	206
Markus_Paar	0:48870d877970	207	/**
Markus_Paar	0:48870d877970	208	* Fetch a file.
Markus_Paar	0:48870d877970	209	*
Markus_Paar	0:48870d877970	210	* @param src_url URL of a source file.
Markus_Paar	0:48870d877970	211	* @param local_file Local file name.
Markus_Paar	0:48870d877970	212	*
Markus_Paar	0:48870d877970	213	* @return Return 0 if it succeed.
Markus_Paar	0:48870d877970	214	*/
Markus_Paar	0:48870d877970	215	//int FirmwareUpdater::fetch(std::string src_usb, std::string local_file) {
Markus_Paar	0:48870d877970	216	/*
Markus_Paar	0:48870d877970	217	* Fetch the source file from URL to a temporary file on local.
Markus_Paar	0:48870d877970	218	*
Markus_Paar	0:48870d877970	219	HTTPFile file(local_file.c_str());
Markus_Paar	0:48870d877970	220	int r = client.get(src_url.c_str(), &file);
Markus_Paar	0:48870d877970	221	if (r != HTTP_OK) {
Markus_Paar	0:48870d877970	222	LOG("ERR : Fetch '%s' to '%s'.\n", src_url.c_str(), local_file.c_str());
Markus_Paar	0:48870d877970	223	return -1;
Markus_Paar	0:48870d877970	224	}
Markus_Paar	0:48870d877970	225	LOG("INFO: Fetched '%s' to '%s'.\n", src_url.c_str(), local_file.c_str());*/
Markus_Paar	0:48870d877970	226	//return 0;
Markus_Paar	0:48870d877970	227	//}
Markus_Paar	0:48870d877970	228
Markus_Paar	0:48870d877970	229	/**
Markus_Paar	0:48870d877970	230	* Copy a file.
Markus_Paar	0:48870d877970	231	*
Markus_Paar	0:48870d877970	232	* @param local_file1 Source file.
Markus_Paar	0:48870d877970	233	* @param local_file2 Destination file.
Markus_Paar	0:48870d877970	234	*
Markus_Paar	0:48870d877970	235	* @return Return 0 if it succeed.
Markus_Paar	0:48870d877970	236	*/
Markus_Paar	0:48870d877970	237	int FirmwareUpdater::copy(std::string local_file1, std::string local_file2) {
Markus_Paar	0:48870d877970	238	LOG("INFO: File copying... (%s->%s)\n", local_file1.c_str(), local_file2.c_str());
Markus_Paar	0:48870d877970	239	FILE *rp = fopen(local_file1.c_str(), "rb");
Markus_Paar	0:48870d877970	240	if (rp == NULL) {
Markus_Paar	0:48870d877970	241	LOG("ERR : File '%s' open failed.\n", local_file1.c_str());
Markus_Paar	0:48870d877970	242	return -1;
Markus_Paar	0:48870d877970	243	}
Markus_Paar	0:48870d877970	244	remove(local_file2.c_str());
Markus_Paar	0:48870d877970	245	FILE *wp = fopen(local_file2.c_str(), "wb");
Markus_Paar	0:48870d877970	246	if (wp == NULL) {
Markus_Paar	0:48870d877970	247	LOG("ERR : File '%s' open failed.\n", local_file2.c_str());
Markus_Paar	0:48870d877970	248	fclose(rp);
Markus_Paar	0:48870d877970	249	return -2;
Markus_Paar	0:48870d877970	250	}
Markus_Paar	0:48870d877970	251	int c;
Markus_Paar	0:48870d877970	252	while ((c = fgetc(rp)) != EOF) {
Markus_Paar	0:48870d877970	253	fputc(c, wp);
Markus_Paar	0:48870d877970	254	}
Markus_Paar	0:48870d877970	255	fclose(rp);
Markus_Paar	0:48870d877970	256	fclose(wp);
Markus_Paar	0:48870d877970	257	LOG("INFO: File copied. (%s->%s)\n", local_file1.c_str(), local_file2.c_str());
Markus_Paar	0:48870d877970	258	return 0;
Markus_Paar	0:48870d877970	259	}
Markus_Paar	0:48870d877970	260
Markus_Paar	0:48870d877970	261	/**
Markus_Paar	0:48870d877970	262	* Output a message to a log file.
Markus_Paar	0:48870d877970	263	*
Markus_Paar	0:48870d877970	264	* @param format ...
Markus_Paar	0:48870d877970	265	*/
Markus_Paar	0:48870d877970	266	void FirmwareUpdater::LOG(const char* format, ...) {
Markus_Paar	0:48870d877970	267	if (log) {
Markus_Paar	0:48870d877970	268	FILE *fplog = fopen("/local/update.log", "a");
Markus_Paar	0:48870d877970	269	if (fplog != NULL) {
Markus_Paar	0:48870d877970	270	char buf[BUFSIZ];
Markus_Paar	0:48870d877970	271	va_list p;
Markus_Paar	0:48870d877970	272	va_start(p, format);
Markus_Paar	0:48870d877970	273	vsnprintf(buf, sizeof(buf) - 1, format, p);
Markus_Paar	0:48870d877970	274	fprintf(fplog, "%s", buf);
Markus_Paar	0:48870d877970	275	// printf("%s", buf); /* If you want to check a message from a console. */
Markus_Paar	0:48870d877970	276	va_end(p);
Markus_Paar	0:48870d877970	277	fclose(fplog);
Markus_Paar	0:48870d877970	278	}
Markus_Paar	0:48870d877970	279	}
Markus_Paar	0:48870d877970	280	}
Markus_Paar	0:48870d877970	281
Markus_Paar	0:48870d877970	282	/**
Markus_Paar	0:48870d877970	283	* Cleanup all bin files.
Markus_Paar	0:48870d877970	284	*/
Markus_Paar	0:48870d877970	285	int FirmwareUpdater::cleanupAllBinFiles(void) {
Markus_Paar	0:48870d877970	286	struct dirent *p;
Markus_Paar	0:48870d877970	287	DIR *dir = opendir("/local");
Markus_Paar	0:48870d877970	288	if (dir == NULL) {
Markus_Paar	0:48870d877970	289	return -1;
Markus_Paar	0:48870d877970	290	}
Markus_Paar	0:48870d877970	291	while ((p = readdir(dir)) != NULL) {
Markus_Paar	0:48870d877970	292	char *str = p->d_name;
Markus_Paar	0:48870d877970	293	if ((strstr(str, ".bin") != NULL) \|\| (strstr(str, ".BIN") != NULL)) {
Markus_Paar	0:48870d877970	294	char buf[BUFSIZ];
Markus_Paar	0:48870d877970	295	snprintf(buf, sizeof(buf) - 1, "/local/%s", str);
Markus_Paar	0:48870d877970	296	if (remove(buf) == 0) {
Markus_Paar	0:48870d877970	297	LOG("INFO: Deleted '%s'.\n", buf);
Markus_Paar	0:48870d877970	298	} else {
Markus_Paar	0:48870d877970	299	LOG("ERR : Delete '%s' failed.\n", buf);
Markus_Paar	0:48870d877970	300	}
Markus_Paar	0:48870d877970	301	}
Markus_Paar	0:48870d877970	302	}
Markus_Paar	0:48870d877970	303	closedir(dir);
Markus_Paar	0:48870d877970	304	return 0;
Markus_Paar	0:48870d877970	305	}
Markus_Paar	0:48870d877970	306
Markus_Paar	0:48870d877970	307	/*
Markus_Paar	0:48870d877970	308	* Create a new binary file name.
Markus_Paar	0:48870d877970	309	*
Markus_Paar	0:48870d877970	310	* @param ver Version.
Markus_Paar	0:48870d877970	311	* @param buf A pointer to a buffer.
Markus_Paar	0:48870d877970	312	* @param siz A size of the buffer.
Markus_Paar	0:48870d877970	313	*
Markus_Paar	0:48870d877970	314	* @return Return 0 if it succeed.
Markus_Paar	0:48870d877970	315	*/
Markus_Paar	0:48870d877970	316	int FirmwareUpdater::createNewBinName(const int ver, char *buf, size_t siz) {
Markus_Paar	0:48870d877970	317	if (siz <= dest_name.length()) {
Markus_Paar	0:48870d877970	318	return -1;
Markus_Paar	0:48870d877970	319	}
Markus_Paar	0:48870d877970	320	snprintf(buf, siz - 1, "%s", dest_name.c_str());
Markus_Paar	0:48870d877970	321	char nb[32];
Markus_Paar	0:48870d877970	322	snprintf(nb, sizeof(nb) - 1, "-%d", ver);
Markus_Paar	0:48870d877970	323	if (strlen(buf) + strlen(nb) <= MAXNAMELEN) {
Markus_Paar	0:48870d877970	324	strcat(buf, nb);
Markus_Paar	0:48870d877970	325	return 0;
Markus_Paar	0:48870d877970	326	} else {
Markus_Paar	0:48870d877970	327	strcpy(buf + (MAXNAMELEN - strlen(nb)), nb);
Markus_Paar	0:48870d877970	328	return 0;
Markus_Paar	0:48870d877970	329	}
Markus_Paar	0:48870d877970	330	}
Markus_Paar	0:48870d877970	331
Markus_Paar	0:48870d877970	332	/**
Markus_Paar	0:48870d877970	333	* Read a version from a file on local FileSystem.
Markus_Paar	0:48870d877970	334	*
Markus_Paar	0:48870d877970	335	* @param filename file name.
Markus_Paar	0:48870d877970	336	* @return A version.
Markus_Paar	0:48870d877970	337	*/
Markus_Paar	0:48870d877970	338	int FirmwareUpdater::readVersionFromFile(const char *filename) {
Markus_Paar	0:48870d877970	339	int ver;
Markus_Paar	0:48870d877970	340	FILE *fp = fopen(filename, "rb");
Markus_Paar	0:48870d877970	341	if (fp == NULL) {
Markus_Paar	0:48870d877970	342	LOG("ERR : Version file '%s' open failed.\n", filename);
Markus_Paar	0:48870d877970	343	return -1;
Markus_Paar	0:48870d877970	344	}
Markus_Paar	0:48870d877970	345	if (fscanf(fp, "%d", &ver) != 1) {
Markus_Paar	0:48870d877970	346	LOG("ERR : Version file '%s' is invalid.\n", filename);
Markus_Paar	0:48870d877970	347	return -2;
Markus_Paar	0:48870d877970	348	}
Markus_Paar	0:48870d877970	349	fclose(fp);
Markus_Paar	0:48870d877970	350	LOG("INFO: Version file '%s': Version %d.\n", filename, ver);
Markus_Paar	0:48870d877970	351	return ver;
Markus_Paar	0:48870d877970	352	}
Markus_Paar	0:48870d877970	353
Markus_Paar	0:48870d877970	354	/**
Markus_Paar	0:48870d877970	355	* Read a version from a file on USB FileSystem.
Markus_Paar	0:48870d877970	356	*
Markus_Paar	0:48870d877970	357	* @param filename file name.
Markus_Paar	0:48870d877970	358	* @return A version.
Markus_Paar	0:48870d877970	359	*/
Markus_Paar	0:48870d877970	360	int FirmwareUpdater::readVersionFromUSB(const char *filename) {
Markus_Paar	0:48870d877970	361	int ver;
Markus_Paar	0:48870d877970	362	FILE *fp = fopen(filename, "rb");
Markus_Paar	0:48870d877970	363	if (fp == NULL) {
Markus_Paar	0:48870d877970	364	LOG("ERR : Version file '%s' open failed.\n", filename);
Markus_Paar	0:48870d877970	365	return -1;
Markus_Paar	0:48870d877970	366	}
Markus_Paar	0:48870d877970	367	if (fscanf(fp, "%d", &ver) != 1) {
Markus_Paar	0:48870d877970	368	LOG("ERR : Version file '%s' is invalid.\n", filename);
Markus_Paar	0:48870d877970	369	return -2;
Markus_Paar	0:48870d877970	370	}
Markus_Paar	0:48870d877970	371	fclose(fp);
Markus_Paar	0:48870d877970	372	LOG("INFO: Version file '%s': Version %d.\n", filename, ver);
Markus_Paar	0:48870d877970	373	return ver;
Markus_Paar	0:48870d877970	374	}

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	19 Sep 2011
Imports:	9
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

FirmwareUpdater.cpp@0:48870d877970, 2011-09-19 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning