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analyzer.cpp
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analyzer.cpp
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#include "analyzer.h"
using namespace std;
void DumpData( const vector < uint16_t > &x, unsigned int n )
{
unsigned int i;
printf( "\n%i samples\n", int ( x.size( ) ) );
for( i = 0; i < n && i < x.size( ); ++i ) {
if( x[i] & 0x8000 )
printf( ">" );
else
printf( " " );
printf( "%03X", ( unsigned int ) ( x[i] & 0xfff ) );
if( i % 16 == 15 )
printf( "\n" );
}
printf( "\n" );
}
//------------------------------------------------------------------------------
// decode first pixel in each event:
int DecodePixel( const vector < uint16_t > &x, int &pos,
PixelReadoutData & pix )
{
PROFILING;
pix.Clear( );
unsigned int raw = 0;
// check:
if( pos >= int ( x.size( ) ) )
return 1; // missing data
// need to skip some junk at the beginning (DP 3.4.2014 at FEC):
// scan for ROC header:
// while( pos < int( x.size() ) && (x[pos] & 0x8ffc) != 0x87f8 ) {
// cout << "pos " << pos << " skip " << hex << x.at(pos) << dec << endl;
// ++pos;
// }
// scan for FPGA header:
while( pos < int ( x.size( ) ) && ( x[pos] & 0x8000 ) != 0x8000 ) {
cout << "pos " << pos << " skip " << hex << x.at( pos ) << dec << endl;
++pos;
}
//cout << " pos " << pos << " size " << x.size() << " ";
if( pos >= int ( x.size( ) ) )
return 2; // wrong header
pix.hdr = x[pos++] & 0xfff; // 12 bits valid header
if( pos >= int ( x.size( ) ) || ( x[pos] & 0x8000 ) )
return 0; // empty data readout
// read first pixel:
raw = ( x[pos++] & 0xfff ) << 12;
if( pos >= int ( x.size( ) ) || ( x[pos] & 0x8000 ) )
return 3; // incomplete data
raw += x[pos++] & 0xfff;
pix.p = ( raw & 0x0f ) + ( ( raw >> 1 ) & 0xf0 );
raw >>= 9;
if( tb.linearAddress ) {
pix.y = ((raw >> 0) & 0x07) + ((raw >> 1) & 0x78); // F7
pix.x = ((raw >> 8) & 0x07) + ((raw >> 9) & 0x38); // 77
} // PROC600
else {
int c = ( raw >> 12 ) & 7;
c = c * 6 + ( ( raw >> 9 ) & 7 );
int r2 = ( raw >> 6 ) & 7;
int r1 = ( raw >> 3 ) & 7;
int r0 = ( raw >> 0 ) & 7;
//if( tb.GetPixelAddressInverted() ) {
if( tb.invertAddress ) {
r2 ^= 0x7;
r1 ^= 0x7;
r0 ^= 0x7;
}
int r = r2 * 36 + r1 * 6 + r0;
pix.y = 80 - r / 2;
pix.x = 2 * c + ( r & 1 );
} // dig
++pix.n;
// read additional noisy pixel:
int cnt = 0;
while( !( pos >= int ( x.size( ) ) || ( x[pos] & 0x8000 ) ) ) {
cout << "noisy pixel at pos " << pos << endl;
++pos;
++cnt;
}
pix.n += cnt / 2;
return 0;
}
//------------------------------------------------------------------------------
// DP return all pixels from one ROC in one event
vector < PixelReadoutData > GetEvent( const vector < uint16_t > &x, int &pos,
int &hdr )
{
PROFILING;
vector < PixelReadoutData > vpix;
bool ldb = 0;
if( ldb )
cout << "GetEvent at pos " << pos << " in data size " << x.size( )
<< flush << endl;
// check:
if( pos >= int ( x.size( ) ) ) {
cout << "analyzer GetEvent error at pos " << pos
<< " >= x.size " << x.size() << endl;
throw int ( 1 ); // missing data
}
// need to skip some junk at the beginning (DP 3.4.2014 at FEC):
while( pos < int ( x.size( ) ) &&
( x[pos] & 0x8ffc ) != 0x87f8 ) { // scan for header
cout << "analyzer at pos " << pos
<< ": " << hex << x[pos] << dec << " is not a valid ROC header"
<< endl;
++pos;
}
if( ldb )
cout << " start at pos " << pos << " size " << x.size() << " ";
if( pos >= int ( x.size( ) ) )
throw int ( 2 ); // wrong header
if( ldb )
cout << " header at pos " << pos
<< " hex " << hex << x[pos] << dec << flush << endl;
hdr = x[pos] & 0xfff; // 12 bits valid header
++pos;
if( pos >= int ( x.size( ) ) )
return vpix; // empty data readout
if( ( x[pos] & 0x8000 ) )
return vpix; // empty event, new event
PixelReadoutData pix;
pix.hdr = hdr;
int cnt = 0;
//while( pos + 1 < int( x.size() ) && !( x[pos] & 0x8000 ) ) {
do {
unsigned int raw = ( x[pos] & 0xfff ) << 12; // 12 ROC bits
if( pos + 1 >= int ( x.size( ) ) || ( x[pos] & 0x4000 ) )
throw int ( 3 ); // incomplete data
++pos;
raw += x[pos] & 0xfff; // 12 more ROC bits
pix.p = ( raw & 0x0f ) + ( ( raw >> 1 ) & 0xf0 );
raw >>= 9;
if( tb.linearAddress ) {
pix.y = ((raw >> 0) & 0x07) + ((raw >> 1) & 0x78); // F7
pix.x = ((raw >> 8) & 0x07) + ((raw >> 9) & 0x38); // 77
} // PROC600
else {
int c = ( raw >> 12 ) & 7;
c = c * 6 + ( ( raw >> 9 ) & 7 );
int r2 = ( raw >> 6 ) & 7;
int r1 = ( raw >> 3 ) & 7;
int r0 = ( raw >> 0 ) & 7;
//if( tb.GetPixelAddressInverted() ) {
if( tb.invertAddress ) {
r2 ^= 0x7;
r1 ^= 0x7;
r0 ^= 0x7;
}
int r = r2 * 36 + r1 * 6 + r0;
pix.y = 80 - r / 2;
pix.x = 2 * c + ( r & 1 );
} // dig
pix.n = cnt;
vpix.push_back( pix );
++cnt;
}
while( !( x[pos++] & 0x4000 ) ); // FPGA end marker (token out)
if( ldb )
cout << " pixels returned " << vpix.size( )
<< flush << endl;
return vpix;
}
/*
#define ERROR_RO_EMPTY 0
#define ERROR_RO_MISSING 1
#define ERROR_RO_ALIGNMENT 2
#define ERROR_RO_HEADER 3
#define ERROR_RO_DATASIZE 4
*/
// --- event lister ---------------------------------------------------------
CRocEvent *CReadback::Read( )
{
return Get( ); // datapipe.h
}
CRocEvent *CPulseHeight::Read( )
{
return Get( ); // datapipe.h
}
void Analyzer( CTestboard & tb )
{
CDtbSource src( tb, false );
CDataRecordScanner rec;
CRocDecoder dec;
CSink < CRocEvent * >pump; // datapipe.h
src >> rec >> dec >> pump;
pump.GetAll( );
}