//! \brief Configure the Sensors as keys and Rotor/Sliders for 32 channels only.
static void config_32ch_krs(void)
{
// enable sensor 0: a keys on channel 0
qt_enable_key( CHANNEL_0, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 1: a slider on channels 1..3
qt_enable_slider( CHANNEL_1, CHANNEL_3, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 2: a key on channel 4
qt_enable_key( CHANNEL_4, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 3: a rotor on channels 5..7
qt_enable_rotor( CHANNEL_5, CHANNEL_7, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 4: a keys on channel 8
qt_enable_key( CHANNEL_8, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 5: a slider on channels 9..11
qt_enable_slider( CHANNEL_9, CHANNEL_11, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 6: a keys on channel 12
qt_enable_key( CHANNEL_12, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 7: a slider on channels 13..15
qt_enable_rotor( CHANNEL_13, CHANNEL_15, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 0: a keys on channel 0
qt_enable_key( CHANNEL_16, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 1: a slider on channels 1..3
qt_enable_slider( CHANNEL_17, CHANNEL_19, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 2: a key on channel 4
qt_enable_key( CHANNEL_20, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 3: a rotor on channels 5..7
qt_enable_rotor( CHANNEL_21, CHANNEL_23, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 4: a keys on channel 8
qt_enable_key( CHANNEL_24, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 5: a slider on channels 9..11
qt_enable_slider( CHANNEL_25, CHANNEL_27, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
// enable sensor 6: a keys on channel 12
qt_enable_key( CHANNEL_28, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 7: a slider on channels 13..15
qt_enable_rotor( CHANNEL_29, CHANNEL_31, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
static void config_32ch_krs(void)
{
/* enable sensors 0..7: keys on channels 0..7 */
qt_enable_key( CHANNEL_0, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_1, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_2, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_3, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_4, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_5, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_6, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_7, AKS_GROUP_1, 10u, HYST_6_25 );
/* enable sensors 8..15: keys on channels 8..15 */
qt_enable_key( CHANNEL_8, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_9, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_10, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_11, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_12, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_13, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_14, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_15, AKS_GROUP_1, 10u, HYST_6_25 );
/* enable sensors : rotor on channels respectively */
qt_enable_rotor( CHANNEL_16, CHANNEL_19, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
/* enable sensors : rotor on channels respectively */
qt_enable_rotor( CHANNEL_20, CHANNEL_23, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
/* enable sensors : slider on channels respectively */
qt_enable_slider( CHANNEL_24, CHANNEL_27, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
/* enable sensors : slider on channels respectively */
qt_enable_slider( CHANNEL_28, CHANNEL_31, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
/**
* \brief Configure the sensors.
*/
static void config_sensors(void)
{
qt_enable_slider(BOARD_SLIDER_START_CHANNEL, BOARD_SLIDER_END_CHANNEL,
AKS_GROUP_1, 16u, HYST_6_25, RES_8_BIT, 0u);
qt_enable_key(BOARD_LEFT_KEY_CHANNEL, AKS_GROUP_1, 18u, HYST_6_25);
qt_enable_key(BOARD_RIGHT_KEY_CHANNEL, AKS_GROUP_1, 18u, HYST_6_25);
}
/*============================================================================
Name : config_sensors -
------------------------------------------------------------------------------
Purpose : Configure the sensors
Input : n/a
Output : n/a
Notes : Generated code from QTouch Studio. Do not change
============================================================================*/
static void config_sensors(void)
{
qt_enable_key( CHANNEL_3, NO_AKS_GROUP, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_4, NO_AKS_GROUP, 10u, HYST_6_25 );
qt_enable_slider( CHANNEL_0, CHANNEL_2, NO_AKS_GROUP, 10u, HYST_6_25, RES_8_BIT, 0u );
}
static void config_8ch_krs(void)
{
/* enable sensor 0: a rotor on channels 0..3 */
qt_enable_rotor( CHANNEL_0, CHANNEL_3, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
/* enable sensors 1: wlider on channels 4..7 respectively */
qt_enable_slider( CHANNEL_4, CHANNEL_7, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
static void config_8ch_krs(void)
{
// enable sensor 0: a key on channel 0
qt_enable_key( CHANNEL_0, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 1: a slider on channels 1..3 */
qt_enable_slider( CHANNEL_1, CHANNEL_3, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u);
// enable sensor 2: a key on channel 4
qt_enable_key( CHANNEL_4, AKS_GROUP_2, 10u, HYST_6_25 );
// enable sensor 3: a rotor on channels 5..7
qt_enable_rotor( CHANNEL_5, CHANNEL_7, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
static void config_16ch_krs(void)
{
/* enable sensors 0..7: keys on channels 0..7 */
qt_enable_key( CHANNEL_0, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_1, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_2, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_3, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_4, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_5, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_6, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_7, AKS_GROUP_1, 10u, HYST_6_25 );
/* enable sensor 8: a rotor on channels 8..11 */
qt_enable_rotor( CHANNEL_8, CHANNEL_11, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
/* enable sensors 9: sliders on channels 12..15 respectively */
qt_enable_slider( CHANNEL_12, CHANNEL_15, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
/**
* \brief Initializes the touch measurement timer.
*
* We need a timer that triggers approx. every millisecond.
* The touch library seems to need this as time-base.
*/
static void init_timer(void)
{
volatile avr32_tc_t *tc = TOUCH_MEASUREMENT_TC;
const tc_waveform_opt_t waveform_options = {
.channel = TOUCH_MEASUREMENT_TC_CHANNEL,
//! Software trigger effect on TIOB.
.bswtrg = TC_EVT_EFFECT_NOOP,
//! External event effect on TIOB.
.beevt = TC_EVT_EFFECT_NOOP,
//! RC compare effect on TIOB.
.bcpc = TC_EVT_EFFECT_NOOP,
//! RB compare effect on TIOB.
.bcpb = TC_EVT_EFFECT_NOOP,
//! Software trigger effect on TIOA.
.aswtrg = TC_EVT_EFFECT_NOOP,
//! External event effect on TIOA.
.aeevt = TC_EVT_EFFECT_NOOP,
//! RC compare effect on TIOA: toggle.
.acpc = TC_EVT_EFFECT_NOOP,
//! RA compare effect on TIOA: toggle.
.acpa = TC_EVT_EFFECT_NOOP,
//! Waveform selection
.wavsel = TC_WAVEFORM_SEL_UP_MODE_RC_TRIGGER,
//! External event trigger enable.
.enetrg = 0,
//! External event selection.
.eevt = 0,
//! External event edge selection.
.eevtedg = TC_SEL_NO_EDGE,
//! Counter disable when RC compare.
.cpcdis = 0,
//! Counter clock stopped with RC compare.
.cpcstop = 0,
//! Burst signal selection.
.burst = 0,
//! Clock inversion selection.
.clki = 0,
//! Internal source clock 3 (fPBA / 8).
.tcclks = TC_CLOCK_SOURCE_TC3
};
const tc_interrupt_t tc_interrupt = {
.etrgs = 0,
.ldrbs = 0,
.ldras = 0,
.cpcs = 1,
.cpbs = 0,
.cpas = 0,
.lovrs = 0,
.covfs = 0,
};
#if (defined __GNUC__)
Disable_global_interrupt();
INTC_register_interrupt(&tc_irq, TOUCH_MEASUREMENT_TC_IRQ,
AVR32_INTC_INT0);
Enable_global_interrupt();
#endif
/* initialize the timer/counter. */
sysclk_enable_peripheral_clock(&AVR32_TC1);
tc_init_waveform(tc, &waveform_options);
/* set the compare triggers. */
tc_write_rc(tc, TOUCH_MEASUREMENT_TC_CHANNEL,
(sysclk_get_pba_hz() / 8) / 1000);
tc_configure_interrupts(tc, TOUCH_MEASUREMENT_TC_CHANNEL,
&tc_interrupt);
tc_start(tc, TOUCH_MEASUREMENT_TC_CHANNEL);
}
/**
* \brief Initializes the touch library configuration.
*
* Sets the correct configuration for the QTouch library.
*/
static void qt_set_parameters(void)
{
/* This will be modified by the user to different values. */
qt_config_data.qt_di = DEF_QT_DI;
qt_config_data.qt_neg_drift_rate = DEF_QT_NEG_DRIFT_RATE;
qt_config_data.qt_pos_drift_rate = DEF_QT_POS_DRIFT_RATE;
qt_config_data.qt_max_on_duration = DEF_QT_MAX_ON_DURATION;
qt_config_data.qt_drift_hold_time = DEF_QT_DRIFT_HOLD_TIME;
qt_config_data.qt_recal_threshold = DEF_QT_RECAL_THRESHOLD;
qt_config_data.qt_pos_recal_delay = DEF_QT_POS_RECAL_DELAY;
/*
* This function is called after the library has made capacitive
* measurements, but before it has processed them. The user can use
* this hook to apply filter functions to the measured signal
* values. (Possibly to fix sensor layout faults).
*/
qt_filter_callback = NULL;
}
/**
* \brief Initialize touch sensors
*
* The touch channels are connected on the GPIO controller 4 which is a part of
* port X
*
* Touch Button:
* GPIO
* 98 SNSK1 CHANNEL1_SNS
* 99 SNS1 CHANNEL1_SNSK
*
* Touch Slider:
* 100 SNS0 CHANNEL2_SNS
* 101 SNSK0 CHANNEL2_SNSK
* 102 SNS1 CHANNEL3_SNS
* 103 SNSK1 CHANNEL3_SNSK
* 104 SNS2 CHANNEL4_SNS
* 105 SNSK2 CHANNEL4_SNSK
*/
void touch_init(void)
{
/*
* Reset sensing is only needed when doing re-initialization during
* run-time
*/
// qt_reset_sensing();
qt_enable_key(CHANNEL_1, NO_AKS_GROUP, 30u, HYST_12_5);
/*
* Position hysteresis is not used in QTouch slider so this value will
* be ignored
*/
qt_enable_slider(CHANNEL_2, CHANNEL_4, NO_AKS_GROUP, 20u, HYST_12_5,
RES_8_BIT, 0);
qt_init_sensing();
qt_set_parameters();
#ifdef _DEBUG_INTERFACE_
sysclk_enable_peripheral_clock(&AVR32_SPI0);
/* Initialize debug protocol */
QDebug_Init();
/* Process commands from PC */
QDebug_ProcessCommands();
#endif
init_timer();
}
static void config_4ch_krs(void)
{
qt_enable_key( CHANNEL_0, AKS_GROUP_2, 10u, HYST_6_25 );
qt_enable_slider( CHANNEL_1, CHANNEL_3, NO_AKS_GROUP, 16u, HYST_6_25, RES_8_BIT, 0u );
}
