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Update ESP8266 version

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This commit is contained in:
cnlohr 2015-07-29 01:54:49 -04:00
parent 102219f9a7
commit ff2cd22d9a
42 changed files with 3035 additions and 213 deletions
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64
embedded8266/common/mfs.c Normal file
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//Copyright 2015 <>< Charles Lohr Under the MIT/x11 License, NewBSD License or
// ColorChord License. You Choose.
#include "mystuff.h"
#include "mfs.h"
#include "spi_flash.h"
#include "ets_sys.h"
extern SpiFlashChip * flashchip;
//Returns 0 on succses.
//Returns size of file if non-empty
//If positive, populates mfi.
//Returns -1 if can't find file or reached end of file list.
int8_t MFSOpenFile( const char * fname, struct MFSFileInfo * mfi )
{
EnterCritical();
flashchip->chip_size = 0x01000000;
uint32 ptr = MFS_START;
struct MFSFileEntry e;
while(1)
{
spi_flash_read( ptr, (uint32*)&e, sizeof( e ) );
ptr += sizeof(e);
if( e.name[0] == 0xff || ets_strlen( e.name ) == 0 ) break;
if( ets_strcmp( e.name, fname ) == 0 )
{
mfi->offset = e.start;
mfi->filelen = e.len;
flashchip->chip_size = 0x00080000;
ExitCritical();
return 0;
}
}
flashchip->chip_size = 0x00080000;
ExitCritical();
return -1;
}
int32_t MFSReadSector( uint8_t* data, struct MFSFileInfo * mfi )
{
//returns # of bytes left tin file.
if( !mfi->filelen )
{
return 0;
}
int toread = mfi->filelen;
if( toread > MFS_SECTOR ) toread = MFS_SECTOR;
EnterCritical();
flashchip->chip_size = 0x01000000;
spi_flash_read( MFS_START+mfi->offset, (uint32*)data, MFS_SECTOR );
flashchip->chip_size = 0x00080000;
ExitCritical();
mfi->offset += toread;
mfi->filelen -= toread;
return mfi->filelen;
}