User`s manual

BL4S100 User’s Manual 74

getMatch

int getMatch(int channel, int source);

FUNCTION DESCRIPTION

Returns the block match register use for the given channel. May optionally be filtered

to specific sources by the

source parameter.

PARAMETERS

channel digital output channel about which to get match information,

0–7 (OUT0–OUT7)

source source filter:

BL_TRAIL_ONLY will filter only the Trail match register

BL_LEAD_ONLY will filter only the Lead match register

Note that counters will only use the Trail match register.

RETURN VALUE

Bit flags showing match use on success:

BL_IER_MATCH0 bit set if using Match Register 0

BL_IER_MATCH1 bit set if using Match Register 1

BL_IER_MATCH2 bit set if using Match Register 2

BL_IER_MATCH3 bit set if using Match Register 3

-EINVAL — invalid channel value.