touchkey - Touch keys

Adapted Air601 Air101/Air103

Note

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touchkey.setup(id, scan_period, window, threshold)

Configure touch buttons

Parameters

Incoming Value Type	Explanation
int	For the sensor ID, please refer to the hardware documentation, for example, air101/air103 supports 1~15, for example, PA7 corresponds touch id=1
int	Scanning interval, range 1 ~ 0x3F, unit 16ms, optional
int	Scan window, range 2-7, optional
int	Threshold, range 0-127, optional

Return Value

return value type	explanation
bool	Returns true on success and true on failure false

Examples

touchkey.setup(1)
sys.subscribe("TOUCHKEY_INC", function(id, count)
    -- Sensor id
    -- Counter, touch count
    log.info("touchkey", id, count)
end)

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touchkey.close(id)

Turn off initial touch key

Parameters

Incoming Value Type	Explanation
int	sensor id, please refer to the hardware documentation

Return Value

return value type	explanation
nil	No return value

Examples

-- Not likely to need to be turned off
touchkey.close(1)

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