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Arguments
Void
Type
-
Comment
This function will initialize the parameters required by the library to default values .But
the default values can be changed by the user by modifying the global threshold
values as defined in qt_touch_lib_config_data_t . See section 0 for details.
NOTE:
?
5.6.5.2
This function can be called any time to apply the threshold parameters of the library as
specified by modifying the global data structure qt_config_data exported by the library.
qt_enable_key
This function is used to configure a channel as a key.
void qt_enable_key (
channel_t
aks_group_t
threshold_t
hysteresis_t
)
channel ,
aks_group ,
detect_threshold ,
detect_hysteresis
Arguments
Channel
aks_group
detect_threshold
detect_hysteresis
Type
channel_t
aks_group
threshold_t
hysteresis_t
Comment
Specifies the channel number to be configured for use as a “key”
Specifies the aks group associated with the sensor being configured as
“key”
Specifies the detect threshold for the sensor
Specifies the detection hysteresis for the sensor
5.6.5.3
qt_enable_rotor
This function is used to configure a set of channels as a rotor.
void qt_enable_rotor (
channel_t
channel_t
aks_group_t
threshold_t
hysterisis_t
resoulution_t
uint8_t
)
from_channel ,
to_channel ,
aks_group ,
detect_threshold ,
detect_hysterisis ,
angle_resolution ,
angle_hysterisis
Arguments
from_channel
to_channel
aks_group
detect_threshold
detect_hysterisis
angle_resolution
angle_hysterisis
Type
Channel_t
Channel_t
aks_group
threshold_t
hysterisis_t
resolution_t
uint8_t
Comment
Specifies the starting channel number to be configured for use as a “Rotor”
Specifies the end channel number to be configured for use as a “Rotor”
Specifies the aks group associated with the sensor being configured as
“ROTOR”
Specifies the detect threshold for the sensor
Specifies the detection hysteresis for the sensor
Specifies the resolution of the reported angle value
Specifies the hysteresis of the reported angle value
NOTE:
?
?
A “Rotor” sensor requires contiguous channel numbers.
The rotor / slider number depends on the order in which the rotor or sliders are enabled.
The first rotor or slider enabled will use “rotor_slider_values[0]”, the second will use
“rotor_slider_values[1]”, and so on. The reported rotor value is valid when the rotor is
reported as being in detect.
29
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