/*! \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); }