Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

mbed-src/common/LocalFileSystem.cpp@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /* mbed Microcontroller Library
sam_grove 5:3f93dd1d4cb3 2 * Copyright (c) 2006-2013 ARM Limited
sam_grove 5:3f93dd1d4cb3 3 *
sam_grove 5:3f93dd1d4cb3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sam_grove 5:3f93dd1d4cb3 5 * you may not use this file except in compliance with the License.
sam_grove 5:3f93dd1d4cb3 6 * You may obtain a copy of the License at
sam_grove 5:3f93dd1d4cb3 7 *
sam_grove 5:3f93dd1d4cb3 8 * http://www.apache.org/licenses/LICENSE-2.0
sam_grove 5:3f93dd1d4cb3 9 *
sam_grove 5:3f93dd1d4cb3 10 * Unless required by applicable law or agreed to in writing, software
sam_grove 5:3f93dd1d4cb3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sam_grove 5:3f93dd1d4cb3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sam_grove 5:3f93dd1d4cb3 13 * See the License for the specific language governing permissions and
sam_grove 5:3f93dd1d4cb3 14 * limitations under the License.
sam_grove 5:3f93dd1d4cb3 15 */
sam_grove 5:3f93dd1d4cb3 16 #include "LocalFileSystem.h"
sam_grove 5:3f93dd1d4cb3 17
sam_grove 5:3f93dd1d4cb3 18 #if DEVICE_LOCALFILESYSTEM
sam_grove 5:3f93dd1d4cb3 19
sam_grove 5:3f93dd1d4cb3 20 #include "semihost_api.h"
sam_grove 5:3f93dd1d4cb3 21 #include <string.h>
sam_grove 5:3f93dd1d4cb3 22 #include <stdio.h>
sam_grove 5:3f93dd1d4cb3 23
sam_grove 5:3f93dd1d4cb3 24 namespace mbed {
sam_grove 5:3f93dd1d4cb3 25
sam_grove 5:3f93dd1d4cb3 26 /* Extension to FINFO type defined in RTL.h (in Keil RL) - adds 'create time'. */
sam_grove 5:3f93dd1d4cb3 27 typedef struct {
sam_grove 5:3f93dd1d4cb3 28 unsigned char hr; /* Hours [0..23] */
sam_grove 5:3f93dd1d4cb3 29 unsigned char min; /* Minutes [0..59] */
sam_grove 5:3f93dd1d4cb3 30 unsigned char sec; /* Seconds [0..59] */
sam_grove 5:3f93dd1d4cb3 31 unsigned char day; /* Day [1..31] */
sam_grove 5:3f93dd1d4cb3 32 unsigned char mon; /* Month [1..12] */
sam_grove 5:3f93dd1d4cb3 33 unsigned short year; /* Year [1980..2107] */
sam_grove 5:3f93dd1d4cb3 34 } FTIME;
sam_grove 5:3f93dd1d4cb3 35
sam_grove 5:3f93dd1d4cb3 36 typedef struct { /* File Search info record */
sam_grove 5:3f93dd1d4cb3 37 char name[32]; /* File name */
sam_grove 5:3f93dd1d4cb3 38 long size; /* File size in bytes */
sam_grove 5:3f93dd1d4cb3 39 int fileID; /* System File Identification */
sam_grove 5:3f93dd1d4cb3 40 FTIME create_time; /* Date & time file was created */
sam_grove 5:3f93dd1d4cb3 41 FTIME write_time; /* Date & time of last write */
sam_grove 5:3f93dd1d4cb3 42 } XFINFO;
sam_grove 5:3f93dd1d4cb3 43
sam_grove 5:3f93dd1d4cb3 44 #define RESERVED_FOR_USER_APPLICATIONS (0x100) /* 0x100 - 0x1ff */
sam_grove 5:3f93dd1d4cb3 45 #define USR_XFFIND (RESERVED_FOR_USER_APPLICATIONS + 0)
sam_grove 5:3f93dd1d4cb3 46
sam_grove 5:3f93dd1d4cb3 47 static int xffind (const char *pattern, XFINFO *info) {
sam_grove 5:3f93dd1d4cb3 48 unsigned param[4];
sam_grove 5:3f93dd1d4cb3 49
sam_grove 5:3f93dd1d4cb3 50 param[0] = (unsigned long)pattern;
sam_grove 5:3f93dd1d4cb3 51 param[1] = (unsigned long)strlen(pattern);
sam_grove 5:3f93dd1d4cb3 52 param[2] = (unsigned long)info;
sam_grove 5:3f93dd1d4cb3 53 param[3] = (unsigned long)sizeof(XFINFO);
sam_grove 5:3f93dd1d4cb3 54
sam_grove 5:3f93dd1d4cb3 55 return __semihost(USR_XFFIND, param);
sam_grove 5:3f93dd1d4cb3 56 }
sam_grove 5:3f93dd1d4cb3 57
sam_grove 5:3f93dd1d4cb3 58 #define OPEN_R 0
sam_grove 5:3f93dd1d4cb3 59 #define OPEN_B 1
sam_grove 5:3f93dd1d4cb3 60 #define OPEN_PLUS 2
sam_grove 5:3f93dd1d4cb3 61 #define OPEN_W 4
sam_grove 5:3f93dd1d4cb3 62 #define OPEN_A 8
sam_grove 5:3f93dd1d4cb3 63 #define OPEN_INVALID -1
sam_grove 5:3f93dd1d4cb3 64
sam_grove 5:3f93dd1d4cb3 65 int posix_to_semihost_open_flags(int flags) {
sam_grove 5:3f93dd1d4cb3 66 /* POSIX flags -> semihosting open mode */
sam_grove 5:3f93dd1d4cb3 67 int openmode;
sam_grove 5:3f93dd1d4cb3 68 if (flags & O_RDWR) {
sam_grove 5:3f93dd1d4cb3 69 /* a plus mode */
sam_grove 5:3f93dd1d4cb3 70 openmode = OPEN_PLUS;
sam_grove 5:3f93dd1d4cb3 71 if (flags & O_APPEND) {
sam_grove 5:3f93dd1d4cb3 72 openmode |= OPEN_A;
sam_grove 5:3f93dd1d4cb3 73 } else if (flags & O_TRUNC) {
sam_grove 5:3f93dd1d4cb3 74 openmode |= OPEN_W;
sam_grove 5:3f93dd1d4cb3 75 } else {
sam_grove 5:3f93dd1d4cb3 76 openmode |= OPEN_R;
sam_grove 5:3f93dd1d4cb3 77 }
sam_grove 5:3f93dd1d4cb3 78 } else if (flags & O_WRONLY) {
sam_grove 5:3f93dd1d4cb3 79 /* write or append */
sam_grove 5:3f93dd1d4cb3 80 if (flags & O_APPEND) {
sam_grove 5:3f93dd1d4cb3 81 openmode = OPEN_A;
sam_grove 5:3f93dd1d4cb3 82 } else {
sam_grove 5:3f93dd1d4cb3 83 openmode = OPEN_W;
sam_grove 5:3f93dd1d4cb3 84 }
sam_grove 5:3f93dd1d4cb3 85 } else if (flags == O_RDONLY) {
sam_grove 5:3f93dd1d4cb3 86 /* read mode */
sam_grove 5:3f93dd1d4cb3 87 openmode = OPEN_R;
sam_grove 5:3f93dd1d4cb3 88 } else {
sam_grove 5:3f93dd1d4cb3 89 /* invalid flags */
sam_grove 5:3f93dd1d4cb3 90 openmode = OPEN_INVALID;
sam_grove 5:3f93dd1d4cb3 91 }
sam_grove 5:3f93dd1d4cb3 92
sam_grove 5:3f93dd1d4cb3 93 return openmode;
sam_grove 5:3f93dd1d4cb3 94 }
sam_grove 5:3f93dd1d4cb3 95
sam_grove 5:3f93dd1d4cb3 96 FILEHANDLE local_file_open(const char* name, int flags) {
sam_grove 5:3f93dd1d4cb3 97 int openmode = posix_to_semihost_open_flags(flags);
sam_grove 5:3f93dd1d4cb3 98 if (openmode == OPEN_INVALID) {
sam_grove 5:3f93dd1d4cb3 99 return (FILEHANDLE)NULL;
sam_grove 5:3f93dd1d4cb3 100 }
sam_grove 5:3f93dd1d4cb3 101
sam_grove 5:3f93dd1d4cb3 102 FILEHANDLE fh = semihost_open(name, openmode);
sam_grove 5:3f93dd1d4cb3 103 if (fh == -1) {
sam_grove 5:3f93dd1d4cb3 104 return (FILEHANDLE)NULL;
sam_grove 5:3f93dd1d4cb3 105 }
sam_grove 5:3f93dd1d4cb3 106
sam_grove 5:3f93dd1d4cb3 107 return fh;
sam_grove 5:3f93dd1d4cb3 108 }
sam_grove 5:3f93dd1d4cb3 109
sam_grove 5:3f93dd1d4cb3 110 LocalFileHandle::LocalFileHandle(FILEHANDLE fh) {
sam_grove 5:3f93dd1d4cb3 111 _fh = fh;
sam_grove 5:3f93dd1d4cb3 112 pos = 0;
sam_grove 5:3f93dd1d4cb3 113 }
sam_grove 5:3f93dd1d4cb3 114
sam_grove 5:3f93dd1d4cb3 115 int LocalFileHandle::close() {
sam_grove 5:3f93dd1d4cb3 116 int retval = semihost_close(_fh);
sam_grove 5:3f93dd1d4cb3 117 delete this;
sam_grove 5:3f93dd1d4cb3 118 return retval;
sam_grove 5:3f93dd1d4cb3 119 }
sam_grove 5:3f93dd1d4cb3 120
sam_grove 5:3f93dd1d4cb3 121 ssize_t LocalFileHandle::write(const void *buffer, size_t length) {
sam_grove 5:3f93dd1d4cb3 122 ssize_t n = semihost_write(_fh, (const unsigned char*)buffer, length, 0); // number of characters not written
sam_grove 5:3f93dd1d4cb3 123 n = length - n; // number of characters written
sam_grove 5:3f93dd1d4cb3 124 pos += n;
sam_grove 5:3f93dd1d4cb3 125 return n;
sam_grove 5:3f93dd1d4cb3 126 }
sam_grove 5:3f93dd1d4cb3 127
sam_grove 5:3f93dd1d4cb3 128 ssize_t LocalFileHandle::read(void *buffer, size_t length) {
sam_grove 5:3f93dd1d4cb3 129 ssize_t n = semihost_read(_fh, (unsigned char*)buffer, length, 0); // number of characters not read
sam_grove 5:3f93dd1d4cb3 130 n = length - n; // number of characters read
sam_grove 5:3f93dd1d4cb3 131 pos += n;
sam_grove 5:3f93dd1d4cb3 132 return n;
sam_grove 5:3f93dd1d4cb3 133 }
sam_grove 5:3f93dd1d4cb3 134
sam_grove 5:3f93dd1d4cb3 135 int LocalFileHandle::isatty() {
sam_grove 5:3f93dd1d4cb3 136 return semihost_istty(_fh);
sam_grove 5:3f93dd1d4cb3 137 }
sam_grove 5:3f93dd1d4cb3 138
sam_grove 5:3f93dd1d4cb3 139 off_t LocalFileHandle::lseek(off_t position, int whence) {
sam_grove 5:3f93dd1d4cb3 140 if (whence == SEEK_CUR) {
sam_grove 5:3f93dd1d4cb3 141 position += pos;
sam_grove 5:3f93dd1d4cb3 142 } else if (whence == SEEK_END) {
sam_grove 5:3f93dd1d4cb3 143 position += semihost_flen(_fh);
sam_grove 5:3f93dd1d4cb3 144 } /* otherwise SEEK_SET, so position is fine */
sam_grove 5:3f93dd1d4cb3 145
sam_grove 5:3f93dd1d4cb3 146 /* Always seems to return -1, so just ignore for now. */
sam_grove 5:3f93dd1d4cb3 147 semihost_seek(_fh, position);
sam_grove 5:3f93dd1d4cb3 148 pos = position;
sam_grove 5:3f93dd1d4cb3 149 return position;
sam_grove 5:3f93dd1d4cb3 150 }
sam_grove 5:3f93dd1d4cb3 151
sam_grove 5:3f93dd1d4cb3 152 int LocalFileHandle::fsync() {
sam_grove 5:3f93dd1d4cb3 153 return semihost_ensure(_fh);
sam_grove 5:3f93dd1d4cb3 154 }
sam_grove 5:3f93dd1d4cb3 155
sam_grove 5:3f93dd1d4cb3 156 off_t LocalFileHandle::flen() {
sam_grove 5:3f93dd1d4cb3 157 return semihost_flen(_fh);
sam_grove 5:3f93dd1d4cb3 158 }
sam_grove 5:3f93dd1d4cb3 159
sam_grove 5:3f93dd1d4cb3 160 class LocalDirHandle : public DirHandle {
sam_grove 5:3f93dd1d4cb3 161
sam_grove 5:3f93dd1d4cb3 162 public:
sam_grove 5:3f93dd1d4cb3 163 struct dirent cur_entry;
sam_grove 5:3f93dd1d4cb3 164 XFINFO info;
sam_grove 5:3f93dd1d4cb3 165
sam_grove 5:3f93dd1d4cb3 166 LocalDirHandle() {
sam_grove 5:3f93dd1d4cb3 167 info.fileID = 0;
sam_grove 5:3f93dd1d4cb3 168 }
sam_grove 5:3f93dd1d4cb3 169
sam_grove 5:3f93dd1d4cb3 170 virtual int closedir() {
sam_grove 5:3f93dd1d4cb3 171 delete this;
sam_grove 5:3f93dd1d4cb3 172 return 0;
sam_grove 5:3f93dd1d4cb3 173 }
sam_grove 5:3f93dd1d4cb3 174
sam_grove 5:3f93dd1d4cb3 175 virtual struct dirent *readdir() {
sam_grove 5:3f93dd1d4cb3 176 if (xffind("*", &info)!=0) {
sam_grove 5:3f93dd1d4cb3 177 return NULL;
sam_grove 5:3f93dd1d4cb3 178 }
sam_grove 5:3f93dd1d4cb3 179 memcpy(cur_entry.d_name, info.name, sizeof(info.name));
sam_grove 5:3f93dd1d4cb3 180 return &cur_entry;
sam_grove 5:3f93dd1d4cb3 181 }
sam_grove 5:3f93dd1d4cb3 182
sam_grove 5:3f93dd1d4cb3 183 virtual void rewinddir() {
sam_grove 5:3f93dd1d4cb3 184 info.fileID = 0;
sam_grove 5:3f93dd1d4cb3 185 }
sam_grove 5:3f93dd1d4cb3 186
sam_grove 5:3f93dd1d4cb3 187 virtual off_t telldir() {
sam_grove 5:3f93dd1d4cb3 188 return info.fileID;
sam_grove 5:3f93dd1d4cb3 189 }
sam_grove 5:3f93dd1d4cb3 190
sam_grove 5:3f93dd1d4cb3 191 virtual void seekdir(off_t offset) {
sam_grove 5:3f93dd1d4cb3 192 info.fileID = offset;
sam_grove 5:3f93dd1d4cb3 193 }
sam_grove 5:3f93dd1d4cb3 194 };
sam_grove 5:3f93dd1d4cb3 195
sam_grove 5:3f93dd1d4cb3 196 FileHandle *LocalFileSystem::open(const char* name, int flags) {
sam_grove 5:3f93dd1d4cb3 197 /* reject filenames with / in them */
sam_grove 5:3f93dd1d4cb3 198 for (const char *tmp = name; *tmp; tmp++) {
sam_grove 5:3f93dd1d4cb3 199 if (*tmp == '/') {
sam_grove 5:3f93dd1d4cb3 200 return NULL;
sam_grove 5:3f93dd1d4cb3 201 }
sam_grove 5:3f93dd1d4cb3 202 }
sam_grove 5:3f93dd1d4cb3 203
sam_grove 5:3f93dd1d4cb3 204 int openmode = posix_to_semihost_open_flags(flags);
sam_grove 5:3f93dd1d4cb3 205 if (openmode == OPEN_INVALID) {
sam_grove 5:3f93dd1d4cb3 206 return NULL;
sam_grove 5:3f93dd1d4cb3 207 }
sam_grove 5:3f93dd1d4cb3 208
sam_grove 5:3f93dd1d4cb3 209 FILEHANDLE fh = semihost_open(name, openmode);
sam_grove 5:3f93dd1d4cb3 210 if (fh == -1) {
sam_grove 5:3f93dd1d4cb3 211 return NULL;
sam_grove 5:3f93dd1d4cb3 212 }
sam_grove 5:3f93dd1d4cb3 213 return new LocalFileHandle(fh);
sam_grove 5:3f93dd1d4cb3 214 }
sam_grove 5:3f93dd1d4cb3 215
sam_grove 5:3f93dd1d4cb3 216 int LocalFileSystem::remove(const char *filename) {
sam_grove 5:3f93dd1d4cb3 217 return semihost_remove(filename);
sam_grove 5:3f93dd1d4cb3 218 }
sam_grove 5:3f93dd1d4cb3 219
sam_grove 5:3f93dd1d4cb3 220 DirHandle *LocalFileSystem::opendir(const char *name) {
sam_grove 5:3f93dd1d4cb3 221 return new LocalDirHandle();
sam_grove 5:3f93dd1d4cb3 222 }
sam_grove 5:3f93dd1d4cb3 223
sam_grove 5:3f93dd1d4cb3 224 } // namespace mbed
sam_grove 5:3f93dd1d4cb3 225
sam_grove 5:3f93dd1d4cb3 226 #endif