Getnbits_(), Getrangebits(), Getbit() – Teledyne LeCroy USB Script Decode Manual User Manual

Page 77: Getnbits_() getrangebits() getbit()

HAPTER

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