Transferred bit module documentation.
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# bit Module
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Bit manipulation support, on 32bit integers.
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## bit.bnot()
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Bitwise negation, equivalent to ~value in C.
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####Syntax
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`bit.bnot(value)`
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####Parameters
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value: the number to negate.
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####Returns
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number: the bitwise negated value of the number.
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___
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## bit.band()
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Bitwise AND, equivalent to val1 & val2 & ... & valn in C.
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####Syntax
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`bit.band(val1, val2 [, ... valn])`
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####Parameters
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- `val1`: first AND argument.
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- `val2`: second AND argument.
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- `...valn`: ...nth AND argument.
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####Returns
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number: the bitwise AND of all the arguments.
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___
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## bit.bor()
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Bitwise OR, equivalent to val1 | val2 | ... | valn in C.
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####Syntax
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`bit.bor(val1, val2 [, ... valn])`
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####Parameters
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- `val1`: first OR argument.
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- `val2`: second OR argument.
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- `...valn`: ...nth OR argument.
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####Returns
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number: the bitwise OR of all the arguments.
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___
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## bit.bxor()
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Bitwise XOR, equivalent to val1 ^ val2 ^ ... ^ valn in C.
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####Syntax
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`bit.bxor(val1, val2 [, ... valn])`
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####Parameters
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- `val1`: first XOR argument.
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- `val2`: second XOR argument.
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- `...valn`: ...nth XOR argument.
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####Returns
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number: the bitwise XOR of all the arguments.
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___
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## bit.lshift()
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Left-shift a number, equivalent to value << shift in C.
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####Syntax
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`bit.lshift(value, shift)`
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####Parameters
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- `value`: the value to shift.
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- `shift`: positions to shift.
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####Returns
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number: the number shifted left
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___
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## bit.rshift()
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Logical right shift a number, equivalent to ( unsigned )value >> shift in C.
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####Syntax
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`bit.rshift(value, shift)`
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####Parameters
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- `value`: the value to shift.
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- `shift`: positions to shift.
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####Returns
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number: the number shifted right (logically).
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___
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## bit.arshift()
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Arithmetic right shift a number equivalent to value >> shift in C.
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####Syntax
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`bit.arshift(value, shift)`
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####Parameters
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- `value`: the value to shift.
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- `shift`: positions to shift.
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####Returns
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number: the number shifted right (arithmetically).
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___
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## bit.bit()
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Generate a number with a 1 bit (used for mask generation). Equivalent to 1 << position in C.
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####Syntax
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`bit.bit(position)`
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####Parameters
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- `position`: position of the bit that will be set to 1.
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####Returns
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number: a number with only one 1 bit at position (the rest are set to 0).
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___
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## bit.set()
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Set bits in a number.
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####Syntax
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`bit.set(value, pos1 [, ... posn ])`
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####Parameters
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- `value`: the base number.
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- `pos1`: position of the first bit to set.
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- `...posn`: position of the nth bit to set.
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####Returns
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number: the number with the bit(s) set in the given position(s).
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___
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## bit.clear()
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Clear bits in a number.
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####Syntax
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`bit.clear(value, pos1 [, ... posn])`
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####Parameters
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- `value`: the base number.
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- `pos1`: position of the first bit to clear.
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- `...posn`: position of thet nth bit to clear.
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####Returns
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number: the number with the bit(s) cleared in the given position(s).
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___
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## bit.isset()
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Test if a given bit is set.
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####Syntax
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`bit.isset(value, position)`
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####Parameters
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- `value`: the value to test.
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- `position`: bit position to test.
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####Returns
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boolean: true if the bit at the given position is 1, false otherwise.
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___
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## bit.isclear()
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Test if a given bit is cleared.
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####Syntax
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`bit.isclear(value, position)`
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####Parameters
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- `value`: the value to test.
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- `position`: bit position to test.
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####Returns
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boolean: true if the bit at the given position is 0, false othewise.
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___
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@ -30,6 +30,7 @@ pages:
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- Support: 'en/support.md'
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- Modules:
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- 'adc': 'en/modules/adc.md'
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- 'bit': 'en/modules/bit.md'
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- 'crypto': 'en/modules/crypto.md'
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- 'gpio': 'en/modules/gpio.md'
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- 'node': 'en/modules/node.md'
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