void main( void )
{
PYGMYFILE pygmyFile;
u8 i, ucStatus, ucBuffer[ 65 ], *ucSubString;
sysInit();
print( COM3, "\rUpdating bootloader, cancel boot after completion" );
print( COM3, "\rOpening Resource..." );
if( !fileOpenResource( &pygmyFile, (u8*)PYGMY_boothex ) ){
print( COM3, "\rFile Failed to Open" );
} else{
print( COM3, "\rErasing..." );
for( i = 0; i < 8; i++ ){
fpecErasePage( i );
} // for;
print( COM3, "\rFlashing..." );
for( ucStatus = 0; !( fileIsEOF( &pygmyFile ) ) && ucStatus != 0xFF; ){
for( i = 0; i < 64; i++ ){
ucBuffer[ i ] = fileGetChar( &pygmyFile );
if( ucBuffer[ i ] == '\r' ){
ucBuffer[ i ] = '\0';
ucSubString = getNextSubString( (u8*)ucBuffer, WHITESPACE|NEWLINE );
// Add 1 to pointer before passing to skip the ':' packet start char
ucStatus = fpecProcessIHEX( (u8*)( ucSubString + 1 ) );
break; // Time to fetch next IHEX entry
} // if
} // for
} // for
} // else
print( COM3, "\rBootloader Updated" );
print( COM3, "\rReseting..." );
delay( 100 );
PYGMY_RESET;
//boot();
}
virtual void transferData(TcpConnectionEvent sourceEvent)
{
if (completed) return;
/*
int p = fileTell(file);
if (p == 0)
response(250, "Transfer started");
*/
char * buf = new char [1024];
int len = fileRead(file, buf, 1024);
write(buf, len, TCP_WRITE_FLAG_COPY);
delete buf;
if (fileIsEOF(file))
{
completed = true;
finishTransfer();
}
}
u8 bootTest( PYGMYFILE *pygmyFile )
{
// This function pre-tests every row in firmware file for corruption before erase and program
u32 i;
u8 ucBuffer[ 64 ], ucCalculatedSum, *ucSubString;
for( ; !( fileIsEOF( pygmyFile ) ); ){
// Get an IHEX packet
for( i = 0; i < 64; i++ ){
ucBuffer[ i ] = fileGetChar( pygmyFile );
if( ucBuffer[ i ] == '\r' ){
ucBuffer[ i ] = '\0';
break;
} // if
} // for
ucSubString = getNextSubString( ucBuffer, WHITESPACE|NEWLINE );
if( *(ucSubString++) != ':' ){
return( 0 );
} // if
// Following works because the output cannot be longer than the input being converted
convertHexEncodedStringToBuffer( ucSubString, ucSubString );
if( ucSubString[ 3 ] == IHEX_EOF ){
break; // We have reached EOF without error
}
for( i = 0, ucCalculatedSum = 0; i < ucSubString[ 0 ]+4; i++ ){
ucCalculatedSum += ucSubString[ i ];
} // for
ucCalculatedSum = 1 + ( 0xFF ^ (u8)ucCalculatedSum );
if( (u8)ucCalculatedSum != ucSubString[ i ] ){ // Last short is checksum
return( 0 ); // Corrupt HEX Row
} // if
i = ( (u16)ucSubString[ 1 ] << 8 ) + ucSubString[ 2 ];
//if( ucSubString[ 3 ] == IHEX_DATA && i > 0x2000 ){
// return( 0 );
//} // if
} // for
return( 1 );
}
bool FileStream::isFinished()
{
return fileIsEOF(handle);
}