Teledyne-lecroy USB Script Decode Manual Manuale Utente Scaricare il pdf (Pagina 77)

CHAPTER 14

CATC Scripting Language for USB USB Decoders

Example

PeekNBits_(16);

GetNBits_()

GetNBits_(offset, len)

Comments

This is a redefinition of the GetNBits primitive which increments field offset and

field length.

Example

GetNBits_(640, 4);

GetRangeBits()

GetRangeBits(start_bit, end_bit, source)

Comments

Extracts a range of bits from source starting from start_bit and ending at

end_bit. Most Significant Bit —> Least Significant Bit order is used here.

Example

GetRangeBits(10, 15, peek_value);

GetBit()

GetBit(bit_needed, source)

Parameter Meaning Default Value Comments

offset

length

Parameter Meaning Default Value Comments

start_bit

end_bit

source integer

Parameter Meaning Default Value Comments

bit_needed

source integer

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Teledyne-lecroy USB Script Decode Manual Manuale Utente Pagina 77