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Series 2600 System SourceMeters Reference Manual
Instrument Control Library 12-17
Return to
2600S-901-01 Rev. A / May 2006
Remarks
• This function returns
value
, which is
value1
with the indexed bit set. The
index
must be a value between 1 and 32. The least significant bit of the given number has
an index of 1 and the most significant bit has an index of 32.
• Any fractional part of
value1
will be truncated to make it an integer.
• See “
” on
Also see
,
Example
The binary equivalent of decimal 8 is 1000. If the bit at
index
3 is set to 1, the returned
value
will be decimal 12 (binary 1100):
value = bit.set(8, 3)
print(value)
Output:
1.01
bit.setfield
Function
Overwrites a bit field at a given index position.
Usage
value = bit.setfield(value1, index, width, fieldvalue)
value1
Given
number.
index
Index position of the least significant bit of the field; 1 to (33 –
width
).
width
Field width – number of bits in the field; 1 to 24.
fieldvalue
Value to write to the field.
value
Returned value of the new number.
Remarks
• This function returns
value
, which is
value1
with a field of bits overwritten, starting
at the given
index
position. The
index
specifies the position of the least significant
bit of the given field. The
width
bits starting at the given index will be set to the
value given by
fieldvalue
. The least significant bit in
value1
has an index of 1
and the most significant bit has an index of 32.
• Prior to setting the field of bits, any fractional parts of
value1
and
fieldvalue
will
be truncated to make them integers.
• If the
fieldvalue
is wider than the
width
, the extra most significant bits of the
fieldvalue
will be truncated. For example, assume the
width
is 4 bits, and the
binary value for
fieldwidth
is 11110 (5 bits). The most significant bit of
fieldwidth
will be truncated, and a binary value of 1110 will be used as the
fieldvalue
.
• See “
” on
Also see
,
Example
The binary equivalent of decimal 15 is 1111. After overwriting it with a decimal 5
(binary 101) at index position 2, the returned
value
will be decimal 11 (binary 1011):
value = bit.setfield(15, 2, 3, 5)
print(value)
Output:
1.01
Содержание SourceMeter 2600 Series
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