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test
Diff: mbed/platform/mbed_retarget.h
- Revision:
- 12:406f75196a12
- Parent:
- 11:32eeb052cda5
- Child:
- 13:0c732e06d675
--- a/mbed/platform/mbed_retarget.h Wed Aug 26 14:26:27 2020 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,583 +0,0 @@
-/*
- * mbed Microcontroller Library
- * Copyright (c) 2006-2016 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-#ifndef RETARGET_H
-#define RETARGET_H
-
-#if __cplusplus
-#include <cstdio>
-#else
-#include <stdio.h>
-#endif //__cplusplus
-#include <stdint.h>
-#include <stddef.h>
-
-/* Include logic for errno so we can get errno defined but not bring in error_t,
- * including errno here prevents an include later, which would redefine our
- * error codes
- */
-#ifndef __error_t_defined
-#define __error_t_defined 1
-#include <errno.h>
-#undef __error_t_defined
-#else
-#include <errno.h>
-#endif
-
-/* We can get the following standard types from sys/types for gcc, but we
- * need to define the types ourselves for the other compilers that normally
- * target embedded systems */
-typedef signed int ssize_t; ///< Signed size type, usually encodes negative errors
-typedef signed long off_t; ///< Offset in a data stream
-typedef unsigned int nfds_t; ///< Number of file descriptors
-typedef unsigned long long fsblkcnt_t; ///< Count of file system blocks
-#if defined(__ARMCC_VERSION) || !defined(__GNUC__)
-typedef unsigned int mode_t; ///< Mode for opening files
-typedef unsigned int dev_t; ///< Device ID type
-typedef unsigned long ino_t; ///< File serial number
-typedef unsigned int nlink_t; ///< Number of links to a file
-typedef unsigned int uid_t; ///< User ID
-typedef unsigned int gid_t; ///< Group ID
-#endif
-
-/* Flags for open() and fcntl(GETFL/SETFL)
- * At present, fcntl only supports reading and writing O_NONBLOCK
- */
-#define O_RDONLY 0 ///< Open for reading
-#define O_WRONLY 1 ///< Open for writing
-#define O_RDWR 2 ///< Open for reading and writing
-#define O_NONBLOCK 0x0004 ///< Non-blocking mode
-#define O_APPEND 0x0008 ///< Set file offset to end of file prior to each write
-#define O_CREAT 0x0200 ///< Create file if it does not exist
-#define O_TRUNC 0x0400 ///< Truncate file to zero length
-#define O_EXCL 0x0800 ///< Fail if file exists
-#define O_BINARY 0x8000 ///< Open file in binary mode
-
-#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
-
-#define NAME_MAX 255 ///< Maximum size of a name in a file path
-
-#define STDIN_FILENO 0
-#define STDOUT_FILENO 1
-#define STDERR_FILENO 2
-
-#include <time.h>
-
-/** \addtogroup platform */
-/** @{*/
-/**
- * \defgroup platform_retarget Retarget functions
- * @{
- */
-
-/* DIR declarations must also be here */
-#if __cplusplus
-namespace mbed {
-
-class FileHandle;
-class DirHandle;
-
-/** Targets may implement this to change stdin, stdout, stderr.
- *
- * If the application hasn't provided mbed_override_console, this is called
- * to give the target a chance to specify a FileHandle for the console.
- *
- * If this is not provided or returns NULL, the console will be:
- * - UARTSerial if configuration option "platform.stdio-buffered-serial" is
- * true and the target has DEVICE_SERIAL;
- * - Raw HAL serial via serial_getc and serial_putc if
- * "platform.stdio-buffered-serial" is false and the target has DEVICE_SERIAL;
- * - stdout/stderr will be a sink and stdin will input a stream of 0s if the
- * target does not have DEVICE_SERIAL.
- *
- * @param fd file descriptor - STDIN_FILENO, STDOUT_FILENO or STDERR_FILENO
- * @return pointer to FileHandle to override normal stream otherwise NULL
- */
-FileHandle *mbed_target_override_console(int fd);
-
-/** Applications may implement this to change stdin, stdout, stderr.
- *
- * This hook gives the application a chance to specify a custom FileHandle
- * for the console.
- *
- * If this is not provided or returns NULL, the console will be specified
- * by mbed_target_override_console, else will default to serial - see
- * mbed_target_override_console for more details.
- *
- * Example:
- * @code
- * FileHandle* mbed::mbed_override_console(int) {
- * static UARTSerial my_serial(D0, D1);
- * return &my_serial;
- * }
- * @endcode
-
- * @param fd file descriptor - STDIN_FILENO, STDOUT_FILENO or STDERR_FILENO
- * @return pointer to FileHandle to override normal stream otherwise NULL
- */
-FileHandle *mbed_override_console(int fd);
-
-}
-
-typedef mbed::DirHandle DIR;
-#else
-typedef struct Dir DIR;
-#endif
-
-/* The intent of this section is to unify the errno error values to match
- * the POSIX definitions for the GCC_ARM, ARMCC and IAR compilers. This is
- * necessary because the ARMCC/IAR errno.h, or sys/stat.h are missing some
- * symbol definitions used by the POSIX filesystem API to return errno codes.
- * Note also that ARMCC errno.h defines some symbol values differently from
- * the GCC_ARM/IAR/standard POSIX definitions. The definitions guard against
- * this and future changes by changing the symbol definition as shown below.
- */
-#undef EPERM
-#define EPERM 1 /* Operation not permitted */
-#undef ENOENT
-#define ENOENT 2 /* No such file or directory */
-#undef ESRCH
-#define ESRCH 3 /* No such process */
-#undef EINTR
-#define EINTR 4 /* Interrupted system call */
-#undef EIO
-#define EIO 5 /* I/O error */
-#undef ENXIO
-#define ENXIO 6 /* No such device or address */
-#undef E2BIG
-#define E2BIG 7 /* Argument list too long */
-#undef ENOEXEC
-#define ENOEXEC 8 /* Exec format error */
-#undef EBADF
-#define EBADF 9 /* Bad file number */
-#undef ECHILD
-#define ECHILD 10 /* No child processes */
-#undef EAGAIN
-#define EAGAIN 11 /* Try again */
-#undef ENOMEM
-#define ENOMEM 12 /* Out of memory */
-#undef EACCES
-#define EACCES 13 /* Permission denied */
-#undef EFAULT
-#define EFAULT 14 /* Bad address */
-#undef ENOTBLK
-#define ENOTBLK 15 /* Block device required */
-#undef EBUSY
-#define EBUSY 16 /* Device or resource busy */
-#undef EEXIST
-#define EEXIST 17 /* File exists */
-#undef EXDEV
-#define EXDEV 18 /* Cross-device link */
-#undef ENODEV
-#define ENODEV 19 /* No such device */
-#undef ENOTDIR
-#define ENOTDIR 20 /* Not a directory */
-#undef EISDIR
-#define EISDIR 21 /* Is a directory */
-#undef EINVAL
-#define EINVAL 22 /* Invalid argument */
-#undef ENFILE
-#define ENFILE 23 /* File table overflow */
-#undef EMFILE
-#define EMFILE 24 /* Too many open files */
-#undef ENOTTY
-#define ENOTTY 25 /* Not a typewriter */
-#undef ETXTBSY
-#define ETXTBSY 26 /* Text file busy */
-#undef EFBIG
-#define EFBIG 27 /* File too large */
-#undef ENOSPC
-#define ENOSPC 28 /* No space left on device */
-#undef ESPIPE
-#define ESPIPE 29 /* Illegal seek */
-#undef EROFS
-#define EROFS 30 /* Read-only file system */
-#undef EMLINK
-#define EMLINK 31 /* Too many links */
-#undef EPIPE
-#define EPIPE 32 /* Broken pipe */
-#undef EDOM
-#define EDOM 33 /* Math argument out of domain of func */
-#undef ERANGE
-#define ERANGE 34 /* Math result not representable */
-#undef EDEADLK
-#define EDEADLK 35 /* Resource deadlock would occur */
-#undef ENAMETOOLONG
-#define ENAMETOOLONG 36 /* File name too long */
-#undef ENOLCK
-#define ENOLCK 37 /* No record locks available */
-#undef ENOSYS
-#define ENOSYS 38 /* Function not implemented */
-#undef ENOTEMPTY
-#define ENOTEMPTY 39 /* Directory not empty */
-#undef ELOOP
-#define ELOOP 40 /* Too many symbolic links encountered */
-#undef EWOULDBLOCK
-#define EWOULDBLOCK EAGAIN /* Operation would block */
-#undef ENOMSG
-#define ENOMSG 42 /* No message of desired type */
-#undef EIDRM
-#define EIDRM 43 /* Identifier removed */
-#undef ECHRNG
-#define ECHRNG 44 /* Channel number out of range */
-#undef EL2NSYNC
-#define EL2NSYNC 45 /* Level 2 not synchronized */
-#undef EL3HLT
-#define EL3HLT 46 /* Level 3 halted */
-#undef EL3RST
-#define EL3RST 47 /* Level 3 reset */
-#undef ELNRNG
-#define ELNRNG 48 /* Link number out of range */
-#undef EUNATCH
-#define EUNATCH 49 /* Protocol driver not attached */
-#undef ENOCSI
-#define ENOCSI 50 /* No CSI structure available */
-#undef EL2HLT
-#define EL2HLT 51 /* Level 2 halted */
-#undef EBADE
-#define EBADE 52 /* Invalid exchange */
-#undef EBADR
-#define EBADR 53 /* Invalid request descriptor */
-#undef EXFULL
-#define EXFULL 54 /* Exchange full */
-#undef ENOANO
-#define ENOANO 55 /* No anode */
-#undef EBADRQC
-#define EBADRQC 56 /* Invalid request code */
-#undef EBADSLT
-#define EBADSLT 57 /* Invalid slot */
-#undef EDEADLOCK
-#define EDEADLOCK EDEADLK /* Resource deadlock would occur */
-#undef EBFONT
-#define EBFONT 59 /* Bad font file format */
-#undef ENOSTR
-#define ENOSTR 60 /* Device not a stream */
-#undef ENODATA
-#define ENODATA 61 /* No data available */
-#undef ETIME
-#define ETIME 62 /* Timer expired */
-#undef ENOSR
-#define ENOSR 63 /* Out of streams resources */
-#undef ENONET
-#define ENONET 64 /* Machine is not on the network */
-#undef ENOPKG
-#define ENOPKG 65 /* Package not installed */
-#undef EREMOTE
-#define EREMOTE 66 /* Object is remote */
-#undef ENOLINK
-#define ENOLINK 67 /* Link has been severed */
-#undef EADV
-#define EADV 68 /* Advertise error */
-#undef ESRMNT
-#define ESRMNT 69 /* Srmount error */
-#undef ECOMM
-#define ECOMM 70 /* Communication error on send */
-#undef EPROTO
-#define EPROTO 71 /* Protocol error */
-#undef EMULTIHOP
-#define EMULTIHOP 72 /* Multihop attempted */
-#undef EDOTDOT
-#define EDOTDOT 73 /* RFS specific error */
-#undef EBADMSG
-#define EBADMSG 74 /* Not a data message */
-#undef EOVERFLOW
-#define EOVERFLOW 75 /* Value too large for defined data type */
-#undef ENOTUNIQ
-#define ENOTUNIQ 76 /* Name not unique on network */
-#undef EBADFD
-#define EBADFD 77 /* File descriptor in bad state */
-#undef EREMCHG
-#define EREMCHG 78 /* Remote address changed */
-#undef ELIBACC
-#define ELIBACC 79 /* Can not access a needed shared library */
-#undef ELIBBAD
-#define ELIBBAD 80 /* Accessing a corrupted shared library */
-#undef ELIBSCN
-#define ELIBSCN 81 /* .lib section in a.out corrupted */
-#undef ELIBMAX
-#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
-#undef ELIBEXEC
-#define ELIBEXEC 83 /* Cannot exec a shared library directly */
-#undef EILSEQ
-#define EILSEQ 84 /* Illegal byte sequence */
-#undef ERESTART
-#define ERESTART 85 /* Interrupted system call should be restarted */
-#undef ESTRPIPE
-#define ESTRPIPE 86 /* Streams pipe error */
-#undef EUSERS
-#define EUSERS 87 /* Too many users */
-#undef ENOTSOCK
-#define ENOTSOCK 88 /* Socket operation on non-socket */
-#undef EDESTADDRREQ
-#define EDESTADDRREQ 89 /* Destination address required */
-#undef EMSGSIZE
-#define EMSGSIZE 90 /* Message too long */
-#undef EPROTOTYPE
-#define EPROTOTYPE 91 /* Protocol wrong type for socket */
-#undef ENOPROTOOPT
-#define ENOPROTOOPT 92 /* Protocol not available */
-#undef EPROTONOSUPPORT
-#define EPROTONOSUPPORT 93 /* Protocol not supported */
-#undef ESOCKTNOSUPPORT
-#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
-#undef EOPNOTSUPP
-#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
-#undef EPFNOSUPPORT
-#define EPFNOSUPPORT 96 /* Protocol family not supported */
-#undef EAFNOSUPPORT
-#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
-#undef EADDRINUSE
-#define EADDRINUSE 98 /* Address already in use */
-#undef EADDRNOTAVAIL
-#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
-#undef ENETDOWN
-#define ENETDOWN 100 /* Network is down */
-#undef ENETUNREACH
-#define ENETUNREACH 101 /* Network is unreachable */
-#undef ENETRESET
-#define ENETRESET 102 /* Network dropped connection because of reset */
-#undef ECONNABORTED
-#define ECONNABORTED 103 /* Software caused connection abort */
-#undef ECONNRESET
-#define ECONNRESET 104 /* Connection reset by peer */
-#undef ENOBUFS
-#define ENOBUFS 105 /* No buffer space available */
-#undef EISCONN
-#define EISCONN 106 /* Transport endpoint is already connected */
-#undef ENOTCONN
-#define ENOTCONN 107 /* Transport endpoint is not connected */
-#undef ESHUTDOWN
-#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
-#undef ETOOMANYREFS
-#define ETOOMANYREFS 109 /* Too many references: cannot splice */
-#undef ETIMEDOUT
-#define ETIMEDOUT 110 /* Connection timed out */
-#undef ECONNREFUSED
-#define ECONNREFUSED 111 /* Connection refused */
-#undef EHOSTDOWN
-#define EHOSTDOWN 112 /* Host is down */
-#undef EHOSTUNREACH
-#define EHOSTUNREACH 113 /* No route to host */
-#undef EALREADY
-#define EALREADY 114 /* Operation already in progress */
-#undef EINPROGRESS
-#define EINPROGRESS 115 /* Operation now in progress */
-#undef ESTALE
-#define ESTALE 116 /* Stale NFS file handle */
-#undef EUCLEAN
-#define EUCLEAN 117 /* Structure needs cleaning */
-#undef ENOTNAM
-#define ENOTNAM 118 /* Not a XENIX named type file */
-#undef ENAVAIL
-#define ENAVAIL 119 /* No XENIX semaphores available */
-#undef EISNAM
-#define EISNAM 120 /* Is a named type file */
-#undef EREMOTEIO
-#define EREMOTEIO 121 /* Remote I/O error */
-#undef EDQUOT
-#define EDQUOT 122 /* Quota exceeded */
-#undef ENOMEDIUM
-#define ENOMEDIUM 123 /* No medium found */
-#undef EMEDIUMTYPE
-#define EMEDIUMTYPE 124 /* Wrong medium type */
-#undef ECANCELED
-#define ECANCELED 125 /* Operation Canceled */
-#undef ENOKEY
-#define ENOKEY 126 /* Required key not available */
-#undef EKEYEXPIRED
-#define EKEYEXPIRED 127 /* Key has expired */
-#undef EKEYREVOKED
-#define EKEYREVOKED 128 /* Key has been revoked */
-#undef EKEYREJECTED
-#define EKEYREJECTED 129 /* Key was rejected by service */
-#undef EOWNERDEAD
-#define EOWNERDEAD 130 /* Owner died */
-#undef ENOTRECOVERABLE
-#define ENOTRECOVERABLE 131 /* State not recoverable */
-
-/* Missing stat.h defines.
- * The following are sys/stat.h definitions not currently present in the ARMCC
- * errno.h. Note, ARMCC errno.h defines some symbol values differing from
- * GCC_ARM/IAR/standard POSIX definitions. Guard against this and future
- * changes by changing the symbol definition for filesystem use.
- */
-#define _IFMT 0170000 //< type of file
-#define _IFSOCK 0140000 //< socket
-#define _IFLNK 0120000 //< symbolic link
-#define _IFREG 0100000 //< regular
-#define _IFBLK 0060000 //< block special
-#define _IFDIR 0040000 //< directory
-#define _IFCHR 0020000 //< character special
-#define _IFIFO 0010000 //< fifo special
-
-#define S_IFMT _IFMT //< type of file
-#define S_IFSOCK _IFSOCK //< socket
-#define S_IFLNK _IFLNK //< symbolic link
-#define S_IFREG _IFREG //< regular
-#define S_IFBLK _IFBLK //< block special
-#define S_IFDIR _IFDIR //< directory
-#define S_IFCHR _IFCHR //< character special
-#define S_IFIFO _IFIFO //< fifo special
-
-#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
-#define S_IRUSR 0000400 ///< read permission, owner
-#define S_IWUSR 0000200 ///< write permission, owner
-#define S_IXUSR 0000100 ///< execute/search permission, owner
-#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
-#define S_IRGRP 0000040 ///< read permission, group
-#define S_IWGRP 0000020 ///< write permission, group
-#define S_IXGRP 0000010 ///< execute/search permission, group
-#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
-#define S_IROTH 0000004 ///< read permission, other
-#define S_IWOTH 0000002 ///< write permission, other
-#define S_IXOTH 0000001 ///< execute/search permission, other
-
-/* Refer to sys/stat standard
- * Note: Not all fields may be supported by the underlying filesystem
- */
-struct stat {
- dev_t st_dev; ///< Device ID containing file
- ino_t st_ino; ///< File serial number
- mode_t st_mode; ///< Mode of file
- nlink_t st_nlink; ///< Number of links to file
-
- uid_t st_uid; ///< User ID
- gid_t st_gid; ///< Group ID
-
- off_t st_size; ///< Size of file in bytes
-
- time_t st_atime; ///< Time of last access
- time_t st_mtime; ///< Time of last data modification
- time_t st_ctime; ///< Time of last status change
-};
-
-struct statvfs {
- unsigned long f_bsize; ///< Filesystem block size
- unsigned long f_frsize; ///< Fragment size (block size)
-
- fsblkcnt_t f_blocks; ///< Number of blocks
- fsblkcnt_t f_bfree; ///< Number of free blocks
- fsblkcnt_t f_bavail; ///< Number of free blocks for unprivileged users
-
- unsigned long f_fsid; ///< Filesystem ID
-
- unsigned long f_namemax; ///< Maximum filename length
-};
-
-/* The following are dirent.h definitions are declared here to guarantee
- * consistency where structure may be different with different toolchains
- */
-struct dirent {
- char d_name[NAME_MAX + 1]; ///< Name of file
- uint8_t d_type; ///< Type of file
-};
-
-enum {
- DT_UNKNOWN, ///< The file type could not be determined.
- DT_FIFO, ///< This is a named pipe (FIFO).
- DT_CHR, ///< This is a character device.
- DT_DIR, ///< This is a directory.
- DT_BLK, ///< This is a block device.
- DT_REG, ///< This is a regular file.
- DT_LNK, ///< This is a symbolic link.
- DT_SOCK, ///< This is a UNIX domain socket.
-};
-
-/* fcntl.h defines */
-#define F_GETFL 3
-#define F_SETFL 4
-
-struct pollfd {
- int fd;
- short events;
- short revents;
-};
-
-/* POSIX-compatible I/O functions */
-#if __cplusplus
-extern "C" {
-#endif
- int open(const char *path, int oflag, ...);
-#ifndef __IAR_SYSTEMS_ICC__ /* IAR provides fdopen itself */
-#if __cplusplus
- std::FILE *fdopen(int fildes, const char *mode);
-#else
- FILE *fdopen(int fildes, const char *mode);
-#endif
-#endif
- ssize_t write(int fildes, const void *buf, size_t nbyte);
- ssize_t read(int fildes, void *buf, size_t nbyte);
- off_t lseek(int fildes, off_t offset, int whence);
- int isatty(int fildes);
- int fsync(int fildes);
- int fstat(int fildes, struct stat *st);
- int fcntl(int fildes, int cmd, ...);
- int poll(struct pollfd fds[], nfds_t nfds, int timeout);
- int close(int fildes);
- int stat(const char *path, struct stat *st);
- int statvfs(const char *path, struct statvfs *buf);
- DIR *opendir(const char *);
- struct dirent *readdir(DIR *);
- int closedir(DIR *);
- void rewinddir(DIR *);
- long telldir(DIR *);
- void seekdir(DIR *, long);
- int mkdir(const char *name, mode_t n);
-#if __cplusplus
-}; // extern "C"
-
-namespace mbed {
-
-/** This call is an analogue to POSIX fdopen().
- *
- * It associates a C stream to an already-opened FileHandle, to allow you to
- * use C printf/scanf/fwrite etc. The provided FileHandle must remain open -
- * it will be closed by the C library when fclose(FILE) is called.
- *
- * The net effect is fdopen(bind_to_fd(fh), mode), with error handling.
- *
- * @param fh a pointer to an opened FileHandle
- * @param mode operation upon the file descriptor, e.g., "w+"
- *
- * @returns a pointer to FILE
- */
-std::FILE *fdopen(mbed::FileHandle *fh, const char *mode);
-
-/** Bind an mbed FileHandle to a POSIX file descriptor
- *
- * This is similar to fdopen, but only operating at the POSIX layer - it
- * associates a POSIX integer file descriptor with a FileHandle, to allow you
- * to use POSIX read/write calls etc. The provided FileHandle must remain open -
- * it will be closed when close(int) is called.
- *
- * @param fh a pointer to an opened FileHandle
- *
- * @return an integer file descriptor, or negative if no descriptors available
- */
-int bind_to_fd(mbed::FileHandle *fh);
-
-} // namespace mbed
-
-#endif // __cplusplus
-
-/**@}*/
-
-/**@}*/
-
-#endif /* RETARGET_H */