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Automatically save a OTP/SEEPROM dump to the sd card
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,5 @@ | ||
| #pragma once | ||
| #include "version.h" | ||
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| #define PLUGIN_VERSION "v0.1.4" | ||
| #define PLUGIN_VERSION "v0.1.5" | ||
| #define PLUGIN_VERSION_FULL PLUGIN_VERSION PLUGIN_VERSION_EXTRA |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
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| #include "CFile.hpp" | ||
| #include <stdarg.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <strings.h> | ||
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|
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| CFile::CFile() { | ||
| iFd = -1; | ||
| mem_file = nullptr; | ||
| filesize = 0; | ||
| pos = 0; | ||
| } | ||
|
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| CFile::CFile(const std::string &filepath, eOpenTypes mode) { | ||
| iFd = -1; | ||
| this->open(filepath, mode); | ||
| } | ||
|
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| CFile::CFile(const uint8_t *mem, int32_t size) { | ||
| iFd = -1; | ||
| this->open(mem, size); | ||
| } | ||
|
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| CFile::~CFile() { | ||
| this->close(); | ||
| } | ||
|
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| int32_t CFile::open(const std::string &filepath, eOpenTypes mode) { | ||
| this->close(); | ||
| int32_t openMode = 0; | ||
|
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| // This depend on the devoptab implementation. | ||
| // see https://github.com/devkitPro/wut/blob/master/libraries/wutdevoptab/devoptab_fs_open.c#L21 fpr reference | ||
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| switch (mode) { | ||
| default: | ||
| case ReadOnly: // file must exist | ||
| openMode = O_RDONLY; | ||
| break; | ||
| case WriteOnly: // file will be created / zerod | ||
| openMode = O_TRUNC | O_CREAT | O_WRONLY; | ||
| break; | ||
| case ReadWrite: // file must exist | ||
| openMode = O_RDWR; | ||
| break; | ||
| case Append: // append to file, file will be created if missing. write only | ||
| openMode = O_CREAT | O_APPEND | O_WRONLY; | ||
| break; | ||
| } | ||
|
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| //! Using fopen works only on the first launch as expected | ||
| //! on the second launch it causes issues because we don't overwrite | ||
| //! the .data sections which is needed for a normal application to re-init | ||
| //! this will be added with launching as RPX | ||
| iFd = ::open(filepath.c_str(), openMode); | ||
| if (iFd < 0) | ||
| return iFd; | ||
|
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|
|
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| filesize = ::lseek(iFd, 0, SEEK_END); | ||
| ::lseek(iFd, 0, SEEK_SET); | ||
|
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| return 0; | ||
| } | ||
|
|
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| int32_t CFile::open(const uint8_t *mem, int32_t size) { | ||
| this->close(); | ||
|
|
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| mem_file = mem; | ||
| filesize = size; | ||
|
|
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| return 0; | ||
| } | ||
|
|
||
| void CFile::close() { | ||
| if (iFd >= 0) | ||
| ::close(iFd); | ||
|
|
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| iFd = -1; | ||
| mem_file = NULL; | ||
| filesize = 0; | ||
| pos = 0; | ||
| } | ||
|
|
||
| int32_t CFile::read(uint8_t *ptr, size_t size) { | ||
| if (iFd >= 0) { | ||
| int32_t ret = ::read(iFd, ptr, size); | ||
| if (ret > 0) | ||
| pos += ret; | ||
| return ret; | ||
| } | ||
|
|
||
| int32_t readsize = size; | ||
|
|
||
| if (readsize > (int64_t) (filesize - pos)) | ||
| readsize = filesize - pos; | ||
|
|
||
| if (readsize <= 0) | ||
| return readsize; | ||
|
|
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| if (mem_file != NULL) { | ||
| memcpy(ptr, mem_file + pos, readsize); | ||
| pos += readsize; | ||
| return readsize; | ||
| } | ||
|
|
||
| return -1; | ||
| } | ||
|
|
||
| int32_t CFile::write(const uint8_t *ptr, size_t size) { | ||
| if (iFd >= 0) { | ||
| size_t done = 0; | ||
| while (done < size) { | ||
| int32_t ret = ::write(iFd, ptr, size - done); | ||
| if (ret <= 0) | ||
| return ret; | ||
|
|
||
| ptr += ret; | ||
| done += ret; | ||
| pos += ret; | ||
| } | ||
| return done; | ||
| } | ||
|
|
||
| return -1; | ||
| } | ||
|
|
||
| int32_t CFile::seek(long int offset, int32_t origin) { | ||
| int32_t ret = 0; | ||
| int64_t newPos = pos; | ||
|
|
||
| if (origin == SEEK_SET) { | ||
| newPos = offset; | ||
| } else if (origin == SEEK_CUR) { | ||
| newPos += offset; | ||
| } else if (origin == SEEK_END) { | ||
| newPos = filesize + offset; | ||
| } | ||
|
|
||
| if (newPos < 0) { | ||
| pos = 0; | ||
| } else { | ||
| pos = newPos; | ||
| } | ||
|
|
||
| if (iFd >= 0) | ||
| ret = ::lseek(iFd, pos, SEEK_SET); | ||
|
|
||
| if (mem_file != NULL) { | ||
| if (pos > filesize) { | ||
| pos = filesize; | ||
| } | ||
| } | ||
|
|
||
| return ret; | ||
| } | ||
|
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| int32_t CFile::fwrite(const char *format, ...) { | ||
| char tmp[512]; | ||
| tmp[0] = 0; | ||
| int32_t result = -1; | ||
|
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| va_list va; | ||
| va_start(va, format); | ||
| if ((vsprintf(tmp, format, va) >= 0)) { | ||
| result = this->write((uint8_t *) tmp, strlen(tmp)); | ||
| } | ||
| va_end(va); | ||
|
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||
|
|
||
| return result; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| #ifndef CFILE_HPP_ | ||
| #define CFILE_HPP_ | ||
|
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| #include <fcntl.h> | ||
| #include <stdio.h> | ||
| #include <string.h> | ||
| #include <string> | ||
| #include <unistd.h> | ||
| #include <wut_types.h> | ||
|
|
||
| class CFile { | ||
| public: | ||
| enum eOpenTypes { | ||
| ReadOnly, | ||
| WriteOnly, | ||
| ReadWrite, | ||
| Append | ||
| }; | ||
|
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| CFile(); | ||
|
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| CFile(const std::string &filepath, eOpenTypes mode); | ||
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| CFile(const uint8_t *memory, int32_t memsize); | ||
|
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| virtual ~CFile(); | ||
|
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| int32_t open(const std::string &filepath, eOpenTypes mode); | ||
|
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| int32_t open(const uint8_t *memory, int32_t memsize); | ||
|
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| BOOL isOpen() const { | ||
| if (iFd >= 0) | ||
| return true; | ||
|
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| if (mem_file) | ||
| return true; | ||
|
|
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| return false; | ||
| } | ||
|
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| void close(); | ||
|
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| int32_t read(uint8_t *ptr, size_t size); | ||
|
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| int32_t write(const uint8_t *ptr, size_t size); | ||
|
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| int32_t fwrite(const char *format, ...); | ||
|
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| int32_t seek(long int offset, int32_t origin); | ||
|
|
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| uint64_t tell() { | ||
| return pos; | ||
| }; | ||
|
|
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| uint64_t size() { | ||
| return filesize; | ||
| }; | ||
|
|
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| void rewind() { | ||
| this->seek(0, SEEK_SET); | ||
| }; | ||
|
|
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| protected: | ||
| int32_t iFd; | ||
| const uint8_t *mem_file{}; | ||
| uint64_t filesize{}; | ||
| uint64_t pos{}; | ||
| }; | ||
|
|
||
| #endif |
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