SNS1 & SNSK1
SNS1 – SNSK1
&
SNS2 – SNSK2
_SNS1_SNSK1_SAME_PORT_
_SNS2_SNSK2_SAME_PORT_
Refer to library selection guide.
Refer to library selection guide.
Comment/uncomment define
Comment/uncomment define
To be used if only single
port pair is needed for the
design.
To be used if two port pairs
are needed for the design.
To be enabled if the same
port is used for SNSK1 and
SNS1 pins for QTouch. If
SNSK1 and SNS1 pins are
on different ports then this
definition is not required.
To be enabled if the same
port is used for SNSK2 and
SNS2 pins for QTouch. If
SNSK1 and SNS1 pins are
on different ports then this
definition is not required.
QT_NUM_CHANNELS
4, 8,
12,
16 for
tinyAVR,
megaAVR and XMEGA device
libraries and 8, 16, 32 for UC3
device libraries.
_ROTOR_SLIDER_
Rotor / slider can be added to
the design, if this macro is
enabled.
A library with rotor / slider
functionality already
available needs to be
selected if this macro is to
be enabled.
QT_DELAY_CYCLES
1 to 255
Please
refer
to
section
_POWER_OPTIMIZATION_
(Required only for ATtiny and ATmega
libraries. ATxmega and UC3 libraries by
default optimized for power without any
limitations)
0 or 1
Used to reduce the power
consumed by the library.
When power optimization is
enabled the unused pins,
within a port used for
QTouch, may not be usable
for interrupt driven
applications. Spread
spectrum noise reduction is
also disabled when power
optimization is enabled.
_TOUCH_ARM_
To be defined
when
using
For ATSAM libraries only.
ATSAM libraries
QTOUCH_STUDIO_MASKS
_STATIC_PORT_PIN_CONF_
This macro needs to be defined
if QTouch Studio Pin
Configurator Wizard.is used to
generate the SNS and SNSK
masks.
This macro needs to be defined
only in case of 4 and 8 channel
Please refer to section 5.8.1
Please refer to section 5.8.1
libraries with interport
configuration and pin
configurability.
4) Using QTouch API’s in your application to add touch functionality
51
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