/*! \brief Example application entry function.
*/
touch_ret_t touch_sensors_init(void)
{
touch_ret_t touch_ret = TOUCH_SUCCESS;
/* Setup and enable generic clock source for PTC module. */
touch_configure_ptc_clock();
touch_time.measurement_period_ms = DEF_TOUCH_MEASUREMENT_PERIOD_MS;
/* Initialize touch library for Mutual Cap operation. */
touch_ret = touch_mutlcap_sensors_init(&touch_config);
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
#if DEF_TOUCH_QDEBUG_ENABLE == 1
QDebug_Init();
#endif
/* configure the touch library sensors. */
touch_ret = touch_sensors_config();
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
touch_ret = touch_mutlcap_sensors_calibrate();
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
return (touch_ret);
}
/*! \brief Example application entry function.
*/
touch_ret_t touch_sensors_init(void)
{
touch_ret_t touch_ret = TOUCH_SUCCESS;
/* Setup and enable generic clock source for PTC module. */
touch_configure_ptc_clock();
touch_time.measurement_period_ms = DEF_TOUCH_MEASUREMENT_PERIOD_MS;
/* Initialize touch library for Mutual Cap operation. */
touch_ret = touch_mutlcap_sensors_init(&touch_config);
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
#if DEF_TOUCH_QDEBUG_ENABLE == 1
QDebug_Init();
#endif
/* configure the touch library sensors. */
touch_ret = touch_sensors_config();
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
/* Auto Tuning setting for calibration.
*
* AUTO_TUNE_PRSC: When Auto tuning of pre-scaler is selected
* the PTC uses the user defined internal series resistor setting
* (DEF_MUTLCAP_SENSE_RESISTOR) and the pre-scaler is adjusted
* to slow down the PTC operation to ensure full charge transfer.
*
* AUTO_TUNE_RSEL: When Auto tuning of the series resistor is
* selected the PTC runs at user defined pre-scaler setting speed
* (DEF_MUTLCAP_CLK_PRESCALE) and the internal series resistor is
* tuned automatically to the optimum value to allow for full
* charge transfer.
*
* AUTO_TUNE_NONE: When manual tuning option is selected (AUTO_TUNE_NONE),
* the user defined values of PTC pre-scaler and series resistor is used
* for PTC operation as given in DEF_MUTLCAP_CLK_PRESCALE and
* DEF_MUTLCAP_SENSE_RESISTOR
*
*/
touch_ret = touch_mutlcap_sensors_calibrate(AUTO_TUNE_RSEL);
if (touch_ret != TOUCH_SUCCESS) {
while (1u) { /* Check API Error return code. */
}
}
return (touch_ret);
}
/*! \brief Example application entry function.
*/
touch_ret_t
touch_sensors_init (void)
{
touch_ret_t touch_ret = TOUCH_SUCCESS;
touch_qt_time.measurement_period_ms = TOUCH_MEASUREMENT_PERIOD_MS;
/* Initialize touch library and sam4l cat module for QTouch Library operation. */
touch_ret = touch_qt_sensors_init (&touch_config);
if (touch_ret != TOUCH_SUCCESS)
{
while (1u); /* Check API Error return code. */
}
#if DEF_TOUCH_QDEBUG_ENABLE == 1
/* Initialize the debug interface. */
QDebug_Init ();
#endif
/* configure the touch library sensors. */
touch_ret = touch_sensors_config ();
if (touch_ret != TOUCH_SUCCESS)
{
while (1u); /* Check API Error return code. */
}
/* Initialize touch sensing. */
touch_ret = touch_qt_sensors_calibrate ();
if (touch_ret != TOUCH_SUCCESS)
{
while (1u); /* Check API Error return code. */
}
// Set up CATB interrupt handler
NVIC_ClearPendingIRQ(CATB_IRQn);
NVIC_SetPriority(CATB_IRQn,0);
NVIC_EnableIRQ(CATB_IRQn);
return (touch_ret);
}
