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Add INTCAP register access #38

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Merged
merged 1 commit into from
May 19, 2021
Merged

Add INTCAP register access #38

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25 changes: 25 additions & 0 deletions adafruit_mcp230xx/mcp23017.py
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Original file line number Diff line number Diff line change
Expand Up @@ -288,6 +288,31 @@ def int_flagb(self):
flags = [pin + 8 for pin in range(8) if intfb & (1 << pin)]
return flags

@property
def int_cap(self):
"""Returns a list with the pin values at time of interrupt
port A ----> pins 0-7
port B ----> pins 8-15
"""
intcap = self._read_u16le(_MCP23017_INTCAPA)
return [(intcap >> pin) & 1 for pin in range(16)]

@property
def int_capa(self):
"""Returns a list of pin values at time of interrupt
pins: 0-7
"""
intcapa = self._read_u8(_MCP23017_INTCAPA)
return [(intcapa >> pin) & 1 for pin in range(8)]

@property
def int_capb(self):
"""Returns a list of pin values at time of interrupt
pins: 8-15
"""
intcapb = self._read_u8(_MCP23017_INTCAPB)
return [(intcapb >> pin) & 1 for pin in range(8)]

def clear_ints(self):
"""Clears interrupts by reading INTCAP."""
self._read_u16le(_MCP23017_INTCAPA)
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