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mirror of https://github.com/esp8266/Arduino.git synced 2025-04-19 23:22:16 +03:00

Support for multiple FileSystem instances

This commit is contained in:
Ivan Grokhotkov 2015-05-18 13:45:34 +03:00
parent c32518974b
commit 1db2c8aa89
6 changed files with 222 additions and 175 deletions

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@ -38,7 +38,6 @@ extern "C" {
#include "pgmspace.h" #include "pgmspace.h"
#include "esp8266_peri.h" #include "esp8266_peri.h"
#include "twi.h" #include "twi.h"
//#include "spiffs/spiffs.h"
void yield(void); void yield(void);

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@ -20,60 +20,126 @@
*/ */
#include "FileSystem.h" #include "FileSystem.h"
#include "Arduino.h" #include "Arduino.h"
#include "spiffs/spiffs_esp8266.h"
#define LOGICAL_PAGE_SIZE 256
#define LOGICAL_BLOCK_SIZE 512
// These addresses are defined in the linker script.
// For each flash memory size there is a linker script variant
// which sets spiffs location and size.
extern "C" uint32_t _SPIFFS_start;
extern "C" uint32_t _SPIFFS_end;
static s32_t api_spiffs_read(u32_t addr, u32_t size, u8_t *dst);
static s32_t api_spiffs_write(u32_t addr, u32_t size, u8_t *src);
static s32_t api_spiffs_erase(u32_t addr, u32_t size);
FSClass FS((uint32_t) &_SPIFFS_start, (uint32_t) &_SPIFFS_end, 4);
FSClass::FSClass(uint32_t beginAddress, uint32_t endAddress, uint32_t maxOpenFiles)
: _beginAddress(beginAddress)
, _endAddress(endAddress)
, _maxOpenFiles(maxOpenFiles)
, _fs({0})
{
}
int FSClass::_mountInternal(){
if (_beginAddress == 0 || _beginAddress >= _endAddress){
SPIFFS_API_DBG_E("Can't start file system, wrong address\r\n");
return SPIFFS_ERR_NOT_CONFIGURED;
}
spiffs_config cfg = {0};
cfg.phys_addr = _beginAddress;
cfg.phys_size = _endAddress - _beginAddress;
cfg.phys_erase_block = INTERNAL_FLASH_SECTOR_SIZE;
cfg.log_block_size = LOGICAL_BLOCK_SIZE;
cfg.log_page_size = LOGICAL_PAGE_SIZE;
cfg.hal_read_f = api_spiffs_read;
cfg.hal_write_f = api_spiffs_write;
cfg.hal_erase_f = api_spiffs_erase;
SPIFFS_API_DBG_V("FSClass::_mountInternal: start:%x, size:%d Kb\n", cfg.phys_addr, cfg.phys_size / 1024);
_work.reset(new uint8_t[LOGICAL_BLOCK_SIZE]);
_fdsSize = 32 * _maxOpenFiles;
_fds.reset(new uint8_t[_fdsSize]);
_cacheSize = (32 + LOGICAL_PAGE_SIZE) * _maxOpenFiles;
_cache.reset(new uint8_t[_cacheSize]);
s32_t res = SPIFFS_mount(&_fs,
&cfg,
_work.get(),
_fds.get(),
_fdsSize,
_cache.get(),
_cacheSize,
NULL);
SPIFFS_API_DBG_V("FSClass::_mountInternal: %d\n", res);
return res;
}
bool FSClass::mount() { bool FSClass::mount() {
if(SPIFFS_mounted(&_filesystemStorageHandle)) return true; if(SPIFFS_mounted(&_fs))
int res = spiffs_mount(); return true;
if(res != 0){
int formated = SPIFFS_format(&_filesystemStorageHandle); int res = _mountInternal();
if(formated != 0) return false; if(res != SPIFFS_OK){
res = spiffs_mount(); int formated = SPIFFS_format(&_fs);
if(formated != SPIFFS_OK)
return false;
res = _mountInternal();
} }
return (res == 0); return (res == SPIFFS_OK);
} }
// TODO: need to invalidate open file objects
void FSClass::unmount() { void FSClass::unmount() {
if(SPIFFS_mounted(&_filesystemStorageHandle)) if(SPIFFS_mounted(&_fs))
SPIFFS_unmount(&_filesystemStorageHandle); SPIFFS_unmount(&_fs);
} }
bool FSClass::format() { bool FSClass::format() {
if(!SPIFFS_mounted(&_filesystemStorageHandle)){ if(!SPIFFS_mounted(&_fs)){
spiffs_mount(); _mountInternal();
} }
SPIFFS_unmount(&_filesystemStorageHandle); SPIFFS_unmount(&_fs);
int formated = SPIFFS_format(&_filesystemStorageHandle); int formated = SPIFFS_format(&_fs);
if(formated != 0) return false; if(formated != SPIFFS_OK)
return (spiffs_mount() == 0); return false;
return (_mountInternal() == SPIFFS_OK);
} }
bool FSClass::check() { bool FSClass::check() {
return SPIFFS_check(&_filesystemStorageHandle) == 0; return SPIFFS_check(&_fs) == SPIFFS_OK;
} }
bool FSClass::exists(char *filename) { bool FSClass::exists(char *filename) {
spiffs_stat stat = {0}; spiffs_stat stat = {0};
if (SPIFFS_stat(&_filesystemStorageHandle, filename, &stat) < 0) if (SPIFFS_stat(&_fs, filename, &stat) < 0)
return false; return false;
return stat.name[0] != '\0'; return stat.name[0] != '\0';
} }
bool FSClass::create(char *filepath){ bool FSClass::create(char *filepath){
return SPIFFS_creat(&_filesystemStorageHandle, filepath, 0) == 0; return SPIFFS_creat(&_fs, filepath, 0) == SPIFFS_OK;
} }
bool FSClass::remove(char *filepath){ bool FSClass::remove(char *filepath){
return SPIFFS_remove(&_filesystemStorageHandle, filepath) == 0; return SPIFFS_remove(&_fs, filepath) == SPIFFS_OK;
} }
bool FSClass::rename(char *filename, char *newname) { bool FSClass::rename(char *filename, char *newname) {
return SPIFFS_rename(&_filesystemStorageHandle, filename, newname) == 0; return SPIFFS_rename(&_fs, filename, newname) == SPIFFS_OK;
} }
size_t FSClass::totalBytes(){ size_t FSClass::totalBytes(){
u32_t totalBytes; u32_t totalBytes;
u32_t usedBytes; u32_t usedBytes;
if(SPIFFS_info(&_filesystemStorageHandle, &totalBytes, &usedBytes) == 0) if(SPIFFS_info(&_fs, &totalBytes, &usedBytes) == SPIFFS_OK)
return totalBytes; return totalBytes;
return 0; return 0;
} }
@ -81,13 +147,16 @@ size_t FSClass::totalBytes(){
size_t FSClass::usedBytes(){ size_t FSClass::usedBytes(){
u32_t totalBytes; u32_t totalBytes;
u32_t usedBytes; u32_t usedBytes;
if(SPIFFS_info(&_filesystemStorageHandle, &totalBytes, &usedBytes) == 0) if(SPIFFS_info(&_fs, &totalBytes, &usedBytes) == SPIFFS_OK)
return usedBytes; return usedBytes;
return 0; return 0;
} }
FSFile FSClass::open(char *filename, uint8_t mode) { FSFile FSClass::open(char *filename, uint8_t mode) {
if(String(filename) == "" || String(filename) == "/") return FSFile("/"); if(strcmp(filename, "") == 0 ||
strcmp(filename, "/") == 0)
return FSFile(&_fs, "/");
int repeats = 0; int repeats = 0;
bool notExist; bool notExist;
bool canRecreate = (mode & SPIFFS_CREAT) == SPIFFS_CREAT; bool canRecreate = (mode & SPIFFS_CREAT) == SPIFFS_CREAT;
@ -95,8 +164,8 @@ FSFile FSClass::open(char *filename, uint8_t mode) {
do{ do{
notExist = false; notExist = false;
res = SPIFFS_open(&_filesystemStorageHandle, filename, (spiffs_flags)mode, 0); res = SPIFFS_open(&_fs, filename, (spiffs_flags)mode, 0);
int code = SPIFFS_errno(&_filesystemStorageHandle); int code = SPIFFS_errno(&_fs);
if (res < 0){ if (res < 0){
SPIFFS_API_DBG_E("open errno %d\n", code); SPIFFS_API_DBG_E("open errno %d\n", code);
notExist = (code == SPIFFS_ERR_NOT_FOUND || code == SPIFFS_ERR_DELETED || code == SPIFFS_ERR_FILE_DELETED || code == SPIFFS_ERR_IS_FREE); notExist = (code == SPIFFS_ERR_NOT_FOUND || code == SPIFFS_ERR_DELETED || code == SPIFFS_ERR_FILE_DELETED || code == SPIFFS_ERR_IS_FREE);
@ -106,63 +175,68 @@ FSFile FSClass::open(char *filename, uint8_t mode) {
} while (notExist && canRecreate && repeats++ < 3); } while (notExist && canRecreate && repeats++ < 3);
if(res){ if(res){
return FSFile(res); return FSFile(&_fs, res);
} }
return FSFile(); return FSFile();
} }
FSFile FSClass::open(spiffs_dirent* entry, uint8_t mode){ FSFile FSClass::open(spiffs_dirent* entry, uint8_t mode){
int res = SPIFFS_open_by_dirent(&_filesystemStorageHandle, entry, (spiffs_flags)mode, 0); int res = SPIFFS_open_by_dirent(&_fs, entry, (spiffs_flags)mode, 0);
if (res){ if (res){
return FSFile(res); return FSFile(&_fs, res);
} }
return FSFile(); return FSFile();
} }
FSClass FS; FSFile::FSFile()
: _file(0)
FSFile::FSFile() { , _stats({0})
_file = 0; , _fs(0)
_stats = {0}; {
} }
FSFile::FSFile(String path) { FSFile::FSFile(spiffs* fs, String path)
: _fs(fs)
{
if(path == "/"){ if(path == "/"){
_file = 0x1; _file = 0x1;
os_sprintf((char*)_stats.name, "%s", (char*)path.c_str()); os_sprintf((char*)_stats.name, "%s", (char*)path.c_str());
_stats.size = 0; _stats.size = 0;
_stats.type = SPIFFS_TYPE_DIR; _stats.type = SPIFFS_TYPE_DIR;
SPIFFS_opendir(&_filesystemStorageHandle, (char*)_stats.name, &_dir); SPIFFS_opendir(_fs, (char*)_stats.name, &_dir);
} else { } else {
_file = SPIFFS_open(&_filesystemStorageHandle, (char *)path.c_str(), (spiffs_flags)FSFILE_READ, 0); _file = SPIFFS_open(_fs, (char *)path.c_str(), (spiffs_flags)FSFILE_READ, 0);
if(SPIFFS_fstat(&_filesystemStorageHandle, _file, &_stats) != 0){ if(SPIFFS_fstat(_fs, _file, &_stats) != 0){
SPIFFS_API_DBG_E("fstat errno %d\n", SPIFFS_errno(&_filesystemStorageHandle)); SPIFFS_API_DBG_E("fstat errno %d\n", SPIFFS_errno(_fs));
} }
//debugf("FSFile name: %s, size: %d, type: %d\n", _stats.name, _stats.size, _stats.type); //debugf("FSFile name: %s, size: %d, type: %d\n", _stats.name, _stats.size, _stats.type);
if(_stats.type == SPIFFS_TYPE_DIR){ if(_stats.type == SPIFFS_TYPE_DIR){
SPIFFS_opendir(&_filesystemStorageHandle, (char*)_stats.name, &_dir); SPIFFS_opendir(_fs, (char*)_stats.name, &_dir);
} }
} }
} }
FSFile::FSFile(file_t f) { FSFile::FSFile(spiffs* fs, file_t f)
_file = f; : _file(f)
if(SPIFFS_fstat(&_filesystemStorageHandle, _file, &_stats) != 0){ , _fs(fs)
SPIFFS_API_DBG_E("fstat errno %d\n", SPIFFS_errno(&_filesystemStorageHandle)); {
if(SPIFFS_fstat(_fs, _file, &_stats) != 0){
SPIFFS_API_DBG_E("fstat errno %d\n", SPIFFS_errno(_fs));
} }
//debugf("FSFile name: %s, size: %d, type: %d\n", _stats.name, _stats.size, _stats.type); //debugf("FSFile name: %s, size: %d, type: %d\n", _stats.name, _stats.size, _stats.type);
if(_stats.type == SPIFFS_TYPE_DIR){ if(_stats.type == SPIFFS_TYPE_DIR){
SPIFFS_opendir(&_filesystemStorageHandle, (char*)_stats.name, &_dir); SPIFFS_opendir(_fs, (char*)_stats.name, &_dir);
} }
} }
void FSFile::close() { void FSFile::close() {
if (! _file) return; if (!_file)
return;
if(_stats.type == SPIFFS_TYPE_DIR){ if(_stats.type == SPIFFS_TYPE_DIR){
SPIFFS_closedir(&_dir); SPIFFS_closedir(&_dir);
} }
if(os_strlen((char*)_stats.name) > 1) if(os_strlen((char*)_stats.name) > 1)
SPIFFS_close(&_filesystemStorageHandle, _file); SPIFFS_close(_fs, _file);
_file = 0; _file = 0;
} }
@ -175,97 +249,138 @@ bool FSFile::isDirectory(void) {
} }
void FSFile::rewindDirectory() { void FSFile::rewindDirectory() {
if (!_file || !isDirectory()) return; if (!_file || !isDirectory())
return;
SPIFFS_closedir(&_dir); SPIFFS_closedir(&_dir);
SPIFFS_opendir(&_filesystemStorageHandle, (char*)_stats.name, &_dir); SPIFFS_opendir(_fs, (char*)_stats.name, &_dir);
} }
FSFile FSFile::openNextFile(){ FSFile FSFile::openNextFile(){
if (!_file || !isDirectory()) return FSFile(); if (!_file || !isDirectory())
return FSFile();
struct spiffs_dirent e; struct spiffs_dirent e;
struct spiffs_dirent *pe = &e; struct spiffs_dirent *pe = &e;
if ((pe = SPIFFS_readdir(&_dir, pe))){ if ((pe = SPIFFS_readdir(&_dir, pe))){
// TODO: store actual FS pointer
return FS.open((char *)pe->name); return FS.open((char *)pe->name);
} }
return FSFile(); return FSFile();
} }
uint32_t FSFile::size() { uint32_t FSFile::size() {
if(!_file) return 0; if(!_file)
if(_stats.size) return _stats.size; return 0;
uint32_t pos = SPIFFS_tell(&_filesystemStorageHandle, _file); if(_stats.size)
SPIFFS_lseek(&_filesystemStorageHandle, _file, 0, SPIFFS_SEEK_END); return _stats.size;
_stats.size = SPIFFS_tell(&_filesystemStorageHandle, _file); uint32_t pos = SPIFFS_tell(_fs, _file);
SPIFFS_lseek(&_filesystemStorageHandle, _file, pos, SPIFFS_SEEK_SET); SPIFFS_lseek(_fs, _file, 0, SPIFFS_SEEK_END);
_stats.size = SPIFFS_tell(_fs, _file);
SPIFFS_lseek(_fs, _file, pos, SPIFFS_SEEK_SET);
return _stats.size; return _stats.size;
} }
int FSFile::available() { int FSFile::available() {
if (!_file) return 0; if (!_file)
uint32_t pos = SPIFFS_tell(&_filesystemStorageHandle, _file); return 0;
uint32_t pos = SPIFFS_tell(_fs, _file);
return size() - pos; return size() - pos;
} }
uint32_t FSFile::seek(uint32_t pos) { uint32_t FSFile::seek(uint32_t pos) {
if (!_file) return 0; if (!_file)
return SPIFFS_lseek(&_filesystemStorageHandle, _file, pos, SPIFFS_SEEK_SET); return 0;
return SPIFFS_lseek(_fs, _file, pos, SPIFFS_SEEK_SET);
} }
uint32_t FSFile::position() { uint32_t FSFile::position() {
if (!_file) return 0; if (!_file)
return SPIFFS_tell(&_filesystemStorageHandle, _file); return 0;
return SPIFFS_tell(_fs, _file);
} }
bool FSFile::eof() { bool FSFile::eof() {
if (!_file) return 0; if (!_file)
return SPIFFS_eof(&_filesystemStorageHandle, _file); return 0;
return SPIFFS_eof(_fs, _file);
} }
int FSFile::read(void *buf, uint16_t nbyte) { int FSFile::read(void *buf, uint16_t nbyte) {
if (! _file || isDirectory()) return -1; if (!_file || isDirectory())
return SPIFFS_read(&_filesystemStorageHandle, _file, buf, nbyte); return -1;
return SPIFFS_read(_fs, _file, buf, nbyte);
} }
int FSFile::read() { int FSFile::read() {
if (! _file || isDirectory()) return -1; if (! _file || isDirectory())
return -1;
int val; int val;
if(SPIFFS_read(&_filesystemStorageHandle, _file, &val, 1) != 1) return -1; if(SPIFFS_read(_fs, _file, &val, 1) != 1) return -1;
return val; return val;
} }
int FSFile::peek() { int FSFile::peek() {
if (! _file || isDirectory()) return 0; if (!_file || isDirectory())
return 0;
int c = read(); int c = read();
SPIFFS_lseek(&_filesystemStorageHandle, _file, -1, SPIFFS_SEEK_CUR); SPIFFS_lseek(_fs, _file, -1, SPIFFS_SEEK_CUR);
return c; return c;
} }
size_t FSFile::write(const uint8_t *buf, size_t size){ size_t FSFile::write(const uint8_t *buf, size_t size){
if (! _file || isDirectory()) return 0; if (!_file || isDirectory())
int res = SPIFFS_write(&_filesystemStorageHandle, _file, (uint8_t *)buf, size); return 0;
int res = SPIFFS_write(_fs, _file, (uint8_t *)buf, size);
return (res > 0)?(size_t)res:0; return (res > 0)?(size_t)res:0;
} }
size_t FSFile::write(uint8_t val) { size_t FSFile::write(uint8_t val) {
if (! _file || isDirectory()) return 0; if (!_file || isDirectory())
return 0;
return write(&val, 1); return write(&val, 1);
} }
void FSFile::flush(){ void FSFile::flush(){
if (! _file || isDirectory()) return; if (!_file || isDirectory())
SPIFFS_fflush(&_filesystemStorageHandle, _file); return;
SPIFFS_fflush(_fs, _file);
} }
bool FSFile::remove(){ bool FSFile::remove(){
if (! _file) return 0; if (!_file)
return 0;
close(); close();
return SPIFFS_remove(&_filesystemStorageHandle, (char *)_stats.name) == 0; return SPIFFS_remove(_fs, (char *)_stats.name) == 0;
} }
int FSFile::lastError(){ int FSFile::lastError(){
return SPIFFS_errno(&_filesystemStorageHandle); return SPIFFS_errno(_fs);
} }
void FSFile::clearError(){ void FSFile::clearError(){
_filesystemStorageHandle.err_code = SPIFFS_OK; _fs->err_code = SPIFFS_OK;
} }
static s32_t api_spiffs_read(u32_t addr, u32_t size, u8_t *dst){
SPIFFS_API_DBG_V("api_spiffs_read: 0x%08x len: %u\n", addr, size);
flashmem_read(dst, addr, size);
return SPIFFS_OK;
}
static s32_t api_spiffs_write(u32_t addr, u32_t size, u8_t *src){
SPIFFS_API_DBG_V("api_spiffs_write: 0x%08x len: %u\n", addr, size);
flashmem_write(src, addr, size);
return SPIFFS_OK;
}
static s32_t api_spiffs_erase(u32_t addr, u32_t size){
SPIFFS_API_DBG_V("api_spiffs_erase: 0x%08x len: %u\n", addr, size);
u32_t sect_first = flashmem_get_sector_of_address(addr);
u32_t sect_last = flashmem_get_sector_of_address(addr+size);
while( sect_first <= sect_last )
if( !flashmem_erase_sector( sect_first ++ ) )
return SPIFFS_ERR_INTERNAL;
return SPIFFS_OK;
}

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@ -21,9 +21,9 @@
#ifndef _SPIFFS_CORE_FILESYSTEM_H_ #ifndef _SPIFFS_CORE_FILESYSTEM_H_
#define _SPIFFS_CORE_FILESYSTEM_H_ #define _SPIFFS_CORE_FILESYSTEM_H_
#include <memory>
#include "spiffs/spiffs.h" #include "spiffs/spiffs.h"
#include "Arduino.h" #include "Arduino.h"
class String;
#define FSFILE_READ SPIFFS_RDONLY #define FSFILE_READ SPIFFS_RDONLY
#define FSFILE_WRITE (SPIFFS_RDONLY | SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_APPEND ) #define FSFILE_WRITE (SPIFFS_RDONLY | SPIFFS_WRONLY | SPIFFS_CREAT | SPIFFS_APPEND )
@ -34,10 +34,11 @@ private:
spiffs_stat _stats; spiffs_stat _stats;
file_t _file; file_t _file;
spiffs_DIR _dir; spiffs_DIR _dir;
spiffs * _fs;
public: public:
FSFile(String path); FSFile(spiffs* fs, String path);
FSFile(file_t f); FSFile(spiffs* fs, file_t f);
FSFile(void); FSFile(void);
virtual size_t write(uint8_t); virtual size_t write(uint8_t);
virtual size_t write(const uint8_t *buf, size_t size); virtual size_t write(const uint8_t *buf, size_t size);
@ -83,10 +84,9 @@ public:
}; };
class FSClass { class FSClass {
private:
public: public:
FSClass(uint32_t beginAddress, uint32_t endAddress, uint32_t maxOpenFiles);
bool mount(); bool mount();
void unmount(); void unmount();
bool format(); bool format();
@ -97,17 +97,30 @@ public:
bool rename(char *filename, char *newname); bool rename(char *filename, char *newname);
size_t totalBytes(); size_t totalBytes();
size_t usedBytes(); size_t usedBytes();
size_t size(){ return _filesystemStorageHandle.cfg.phys_size; } size_t size(){ return _fs.cfg.phys_size; }
size_t blockSize(){ return _filesystemStorageHandle.cfg.log_block_size; } size_t blockSize(){ return _fs.cfg.log_block_size; }
size_t totalBlocks(){ return _filesystemStorageHandle.block_count; } size_t totalBlocks(){ return _fs.block_count; }
size_t freeBlocks(){ return _filesystemStorageHandle.free_blocks; } size_t freeBlocks(){ return _fs.free_blocks; }
size_t pageSize(){ return _filesystemStorageHandle.cfg.log_page_size; } size_t pageSize(){ return _fs.cfg.log_page_size; }
size_t allocatedPages(){ return _filesystemStorageHandle.stats_p_allocated; } size_t allocatedPages(){ return _fs.stats_p_allocated; }
size_t deletedPages(){ return _filesystemStorageHandle.stats_p_deleted; } size_t deletedPages(){ return _fs.stats_p_deleted; }
FSFile open(char *filename, uint8_t mode = FSFILE_READ); FSFile open(char *filename, uint8_t mode = FSFILE_READ);
FSFile open(spiffs_dirent* entry, uint8_t mode = FSFILE_READ); FSFile open(spiffs_dirent* entry, uint8_t mode = FSFILE_READ);
protected:
int _mountInternal();
std::unique_ptr<uint8_t[]> _work;
std::unique_ptr<uint8_t[]> _fds;
size_t _fdsSize;
std::unique_ptr<uint8_t[]> _cache;
size_t _cacheSize;
uint32_t _beginAddress;
uint32_t _endAddress;
uint32_t _maxOpenFiles;
spiffs _fs;
private: private:
friend class FSFile; friend class FSFile;
}; };

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@ -78,5 +78,4 @@ void init() {
timer1_isr_init(); timer1_isr_init();
os_timer_setfn(&micros_overflow_timer, (os_timer_func_t*) &micros_overflow_tick, 0); os_timer_setfn(&micros_overflow_timer, (os_timer_func_t*) &micros_overflow_tick, 0);
os_timer_arm(&micros_overflow_timer, 60000, REPEAT); os_timer_arm(&micros_overflow_timer, 60000, REPEAT);
spiffs_mount();
} }

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@ -146,79 +146,3 @@ uint32_t flashmem_get_sector_of_address( uint32_t addr ){
return (addr - INTERNAL_FLASH_START_ADDRESS) / INTERNAL_FLASH_SECTOR_SIZE;; return (addr - INTERNAL_FLASH_START_ADDRESS) / INTERNAL_FLASH_SECTOR_SIZE;;
} }
/*
SPIFFS BOOTSTRAP
*/
//SPIFFS Address Range (defined in eagle ld)
extern uint32_t _SPIFFS_start;
extern uint32_t _SPIFFS_end;
//SPIFFS Storage Handle
spiffs _filesystemStorageHandle;
//SPIFFS Buffers (INTERNAL_FLASH_PAGE_SIZE = 256) Total 1792 bytes
static u8_t spiffs_work_buf[INTERNAL_FLASH_PAGE_SIZE*2]; //512 bytes
static u8_t spiffs_fds[32*4]; //128 bytes
static u8_t spiffs_cache[(INTERNAL_FLASH_PAGE_SIZE+32)*4]; //1152 bytes
//SPIFFS API Read CallBack
static s32_t api_spiffs_read(u32_t addr, u32_t size, u8_t *dst){
SPIFFS_API_DBG_V("api_spiffs_read: 0x%08x len: %u\n", addr, size);
flashmem_read(dst, addr, size);
return SPIFFS_OK;
}
//SPIFFS API Write CallBack
static s32_t api_spiffs_write(u32_t addr, u32_t size, u8_t *src){
SPIFFS_API_DBG_V("api_spiffs_write: 0x%08x len: %u\n", addr, size);
flashmem_write(src, addr, size);
return SPIFFS_OK;
}
//SPIFFS API Erase CallBack
static s32_t api_spiffs_erase(u32_t addr, u32_t size){
SPIFFS_API_DBG_V("api_spiffs_erase: 0x%08x len: %u\n", addr, size);
u32_t sect_first = flashmem_get_sector_of_address(addr);
u32_t sect_last = flashmem_get_sector_of_address(addr+size);
while( sect_first <= sect_last )
if( !flashmem_erase_sector( sect_first ++ ) )
return SPIFFS_ERR_INTERNAL;
return SPIFFS_OK;
}
// Our own SPIFFS Setup Method
// All of the above gets put in the configuration
// and a mount attempt is made, initializing the storage handle
// that is used in all further api calls
s32_t spiffs_mount(){
u32_t start_address = (u32_t)&_SPIFFS_start;
u32_t end_address = (u32_t)&_SPIFFS_end;
if (start_address == 0 || start_address >= end_address){
SPIFFS_API_DBG_E("Can't start file system, wrong address");
return SPIFFS_ERR_NOT_CONFIGURED;
}
spiffs_config cfg = {0};
cfg.phys_addr = start_address;
cfg.phys_size = end_address - start_address;
cfg.phys_erase_block = INTERNAL_FLASH_SECTOR_SIZE; // according to datasheet
cfg.log_block_size = INTERNAL_FLASH_SECTOR_SIZE * 2; // Important to make large
cfg.log_page_size = INTERNAL_FLASH_PAGE_SIZE; // according to datasheet
cfg.hal_read_f = api_spiffs_read;
cfg.hal_write_f = api_spiffs_write;
cfg.hal_erase_f = api_spiffs_erase;
SPIFFS_API_DBG_V("spiffs_mount: start:%x, size:%d Kb\n", cfg.phys_addr, cfg.phys_size / 1024);
s32_t res = SPIFFS_mount(&_filesystemStorageHandle,
&cfg,
spiffs_work_buf,
spiffs_fds,
sizeof(spiffs_fds),
spiffs_cache,
sizeof(spiffs_cache),
NULL);
SPIFFS_API_DBG_V("spiffs_mount: %d\n", res);
return res;
}

View File

@ -24,14 +24,11 @@ The small 4KB sectors allow for greater flexibility in applications that require
#define INTERNAL_FLASH_WRITE_UNIT_SIZE 4 #define INTERNAL_FLASH_WRITE_UNIT_SIZE 4
#define INTERNAL_FLASH_READ_UNIT_SIZE 4 #define INTERNAL_FLASH_READ_UNIT_SIZE 4
extern spiffs _filesystemStorageHandle;
extern uint32_t flashmem_write( const void *from, uint32_t toaddr, uint32_t size ); extern uint32_t flashmem_write( const void *from, uint32_t toaddr, uint32_t size );
extern uint32_t flashmem_read( void *to, uint32_t fromaddr, uint32_t size ); extern uint32_t flashmem_read( void *to, uint32_t fromaddr, uint32_t size );
extern bool flashmem_erase_sector( uint32_t sector_id ); extern bool flashmem_erase_sector( uint32_t sector_id );
uint32_t flashmem_find_sector( uint32_t address, uint32_t *pstart, uint32_t *pend ); uint32_t flashmem_find_sector( uint32_t address, uint32_t *pstart, uint32_t *pend );
uint32_t flashmem_get_sector_of_address( uint32_t addr ); uint32_t flashmem_get_sector_of_address( uint32_t addr );
s32_t spiffs_mount();
#ifdef __cplusplus #ifdef __cplusplus
} }