Using the init_clock() in main.c and clock.c files,
Set the CAT_CLK Clock to appropriate value.
Set the GCLK_CAT Clock to appropriate value.
Using the touch_config_at32uc3l.h configuration file,
Set DEF_TOUCH_QMATRIX = 1.
Set all QM_xx and TOUCH_xx macros to appropriate values.
(This includes 2 peripheral DMA Channels required for QMatrix operation.)
In the main.c file,
Set appropriate qm_burst_length[] values corresponding to all Touch channels .
Set the desired measurement_period_ms for Touch measurement.
touch_qm_sensors_init()
Configure multiple
QMatrix sensors
touch_qm_sensors_config()
touch_qm_sensors_calibrate()
Call in loop
touch_event_dispatcher()
time_to_
measure_touch
touch_qm_sensors_start_
acquisition(NORMAL_ACQ_MODE)
filter_callback(), if enabled
measure_complete_callback(),
measured data and Touch Status
Host Application code
Figure 39 QMatrix API Flow diagram for UC3L
122
8207L-AT42-05/12
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ATU6-P305T-R CABLE CAT6 FULL-BOX 305M GRAY
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