class Packet_bbc_fpga: public Packet_w4

This is the packet which deals with data in BBC_DCM0 format.

Inheritance:

Public Methods

int iValue(const int channel)

with the "what" parameter you can decide which aspect of the data is made available.

Inherited from Packet_w4:

Inherited from Packet_A:

Inherited from Packet:

Public Methods

virtual float rValue(const int channel)

virtual float rValue(const int channel, const char * what)

virtual float rValue(const int channel, const int iy)

virtual int getArraylength(const char * what ="")

virtual int fillIntArray(int destination[], const int length, int * nw, const char * what="")

virtual int fillFloatArray(float destination[], const int length, int * nw, const char * what="")

virtual int* getIntArray(int * nw, const char * ="")

virtual float* getFloatArray(int * nw, const char * ="")

virtual int is_pointer_type() const

virtual int convert()

virtual int getLength() const

virtual int getDebugLength() const

virtual int getIdentifier() const

virtual int getPadding() const

virtual int getStructure() const

virtual int getHitFormat() const

virtual int getDataLength() const

virtual voidfullIdentify (std::ostream& os = std::cout) const (ostream & os = cout) const

virtual void dump(std::ostream& os = std::cout)

virtual void gdump(const int how = EVT_HEXADECIMAL, std::ostream& os = std::cout) const

Public

int iValue(const int channel)

with the "what" parameter you can decide which aspect of the data is made available. This class is one of those which have several different "kinds" of data; we use this to bring up the misc. items in the FEM headers and trailers.

BBC has charge information and two time infos. Charge is considered the default return value, so iValue(i) gives you the charge info of channel i.

With iValue(i, "T1") you get the discriminator 1 time, and iValue(i, "T2") gives you the discriminator 2 time.

Each of the boards has an ID embedded in the data stream. There are at most 16 boards. With

 packet->iValue(i,"BOARD")

you get the board id of board i.

In addition, there is

 packet->iValue(0,"EVTNR")    The FEM event number
 packet->iValue(0,"MODULE")   The Module ID
 packet->iValue(0,"FLAG")     The Module ID
 packet->iValue(0,"BCLK")     Beam clock value from FEM
 packet->iValue(i,"PARITY")   The longitudinal parity
 packet->iValue(i,"SUMMARY")  The DCM summary word

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