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uint32_t
int32_t
channel_t
threshold_t
sensor_id_t
touch_time_t
touch_bl_t
touch_delta_t
touch_acq_status_t
touch_qt_grp_t
touch_qt_dma_t
unsigned 32 bit integer.
signed 32 bit integer.
unsigned 8 bit integer that represents the channel number, starts from 0.
unsigned 8 bit integer to set sensor detection threshold.
unsigned 8 bit integer that represents the sensor ID, starts from 0.
unsigned 16 bit integer that represents current time maintained by the
library.
unsigned 8 bit integer that represents the burst length of a QMatrix
channel.
signed 16 bit integer that represents the delta value of a channel.
unsigned 16 bit Status of Touch measurement.
unsigned 8 bit QTouch Group type.
unsigned 8 bit QTouch Group A/ Group B DMA channel type..
6.3.15.1.1 touch_acq_status_t
uint16_t
Use
touch_acq_status_t
Indicates the result of the last acquisition & processing for a specific touch
acquisition method.
Values
TOUCH_NO_ACTIVITY
TOUCH_IN_DETECT
TOUCH_STATUS_CHANGE
TOUCH_ROTOR_SLIDER_POS_CHANGE
TOUCH_CHANNEL_REF_CHANGE
TOUCH_BURST_AGAIN
TOUCH_RESOLVE_CAL
TOUCH_RESOLVE_FILTERIN
TOUCH_RESOLVE_DI
TOUCH_RESOLVE_POS_RECAL
Bitmask
0x0000u
0x0001u
0x0002u
0x0004u
0x0008u
0x0100u
0x0200u
0x0400u
0x0800u
0x1000u
Comment
No Touch activity.
At least one Touch channel is in detect.
Status change in at least one channel.
At least one rotor or slider has changed
position.
Reference values of at least one of the
channel has changed.
Indicates that reburst is required to
resolve Filtering or Calibration state.
Indicates that reburst is needed to
resolve Calibration.
Indicates that reburst is needed to
resolve Filtering.
Indicates that reburst is needed to
resolve Detect Integration.
Indicates that reburst is needed to
resolve Recalibration.
6.3.15.1.2 touch_qt_grp_t
uint8_t
Use
touch_qt_grp_t
QTouch Group type.
Values
TOUCH_QT_GRP_A
TOUCH_QT_GRP_B
Value
0u
1u
Comment
QTouch Group A.
QTouch Group B.
6.3.15.2 Enumerations
This section lists the enumerations used in the QTouch Library.
138
8207L-AT42-05/12
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