uint32_t TSI_HAL_Recalibrate(TSI_Type * base, tsi_config_t *config, const uint32_t electrodes, const tsi_parameter_limits_t *parLimits)
{
assert(config != NULL);
uint32_t is_enabled = TSI_HAL_IsModuleEnabled(base);
uint32_t is_int_enabled = TSI_HAL_IsInterruptEnabled(base);
uint32_t lowest_signal = TSI_RECALIBRATE_MAX_SIGNAL_VAL;
if (is_enabled) {
TSI_HAL_DisableModule(base);
}
if (is_int_enabled) {
TSI_HAL_DisableInterrupt(base);
}
TSI_HAL_SetNumberOfScans(base, config->nscn);
TSI_HAL_SetPrescaler(base, config->ps);
TSI_HAL_SetElectrodeChargeCurrent(base, config->extchrg);
TSI_HAL_SetReferenceChargeCurrent(base, config->refchrg);
TSI_HAL_EnableModule(base);
if (TSI_HAL_MeasurementBlocking(base) == 0) {
for (uint32_t i = 0U; i < 16U; i++) {
if (TSI_HAL_GetEnabledChannel(base, i)) {
int32_t counter = TSI_HAL_GetCounter(base, i);
if (counter < lowest_signal) {
lowest_signal = counter;
}
}
}
}
if (!is_enabled) {
TSI_HAL_EnableModule(base);
}
if (is_int_enabled) {
TSI_HAL_EnableInterrupt(base);
}
if (lowest_signal == TSI_RECALIBRATE_MAX_SIGNAL_VAL) {
lowest_signal = 0U; /* not valid */
}
return lowest_signal;
}
/*FUNCTION**********************************************************************
*
* Function Name : TSI_HAL_SetConfiguration
* Description : Function set the whole TSI peripheral by handled configuration
*
*END**************************************************************************/
void TSI_HAL_SetConfiguration(TSI_Type * base, tsi_config_t *config)
{
assert(config != NULL);
uint32_t is_enabled = TSI_HAL_IsModuleEnabled(base);
uint32_t is_int_enabled = TSI_HAL_IsInterruptEnabled(base);
if (is_enabled) {
TSI_HAL_DisableModule(base);
}
if (is_int_enabled) {
TSI_HAL_DisableInterrupt(base);
}
if(config->mode == kTsiAnalogModeSel_AutoNoise)
{
TSI_HAL_SetMode(base, config->mode);
TSI_HAL_SetPrescaler(base, config->ps);
TSI_HAL_SetNumberOfScans(base, config->nscn);
TSI_HAL_SetReferenceChargeCurrent(base, config->refchrg);
TSI_HAL_SetOscilatorVoltageRails(base, config->dvolt);
TSI_HAL_SetElectrodeSeriesResistor(base, config->serres);
TSI_HAL_SetFilterBits(base, config->filter);
}
else
{
TSI_HAL_SetPrescaler(base, config->ps);
TSI_HAL_SetNumberOfScans(base, config->nscn);
TSI_HAL_SetReferenceChargeCurrent(base, config->refchrg);
TSI_HAL_SetElectrodeChargeCurrent(base, config->extchrg);
TSI_HAL_SetMode(base, config->mode);
TSI_HAL_SetOscilatorVoltageRails(base, config->dvolt);
TSI_HAL_SetLowThreshold(base, config->thresl);
TSI_HAL_SetHighThreshold(base, config->thresh);
}
if (is_enabled) {
TSI_HAL_EnableModule(base);
}
if (is_int_enabled) {
TSI_HAL_EnableInterrupt(base);
}
}
uint32_t TSI_HAL_Recalibrate(TSI_Type * base, tsi_config_t *config, const uint32_t electrodes, const tsi_parameter_limits_t *parLimits)
{
assert(config != NULL);
uint32_t is_enabled = TSI_HAL_IsModuleEnabled(base);
uint32_t is_int_enabled = TSI_HAL_IsInterruptEnabled(base);
uint32_t lowest_signal = TSI_RECALIBRATE_MAX_SIGNAL_VAL;
if(electrodes == 0)
{
return 0;
}
if (is_enabled) {
TSI_HAL_DisableModule(base);
}
if (is_int_enabled) {
TSI_HAL_DisableInterrupt(base);
}
if(parLimits == NULL) /* If NOISE mode calibration*/
{
/* parLimits are not used in NOISE mode so this is calibration of noise mode. */
TSI_HAL_SetConfiguration(base, config);
lowest_signal = 1;
}else
{
// Normal capacitive mode calibration
TSI_HAL_SetNumberOfScans(base, config->nscn);
TSI_HAL_SetPrescaler(base, config->ps);
TSI_HAL_SetElectrodeChargeCurrent(base, config->extchrg);
TSI_HAL_SetReferenceChargeCurrent(base, config->refchrg);
TSI_HAL_EnableModule(base);
for (uint32_t i = 0U; i < 16U; i++)
{
if ((uint32_t)(1 << i) & electrodes)
{
int32_t counter = TSI_HAL_MeasurementBlocking(base, i, 0);
if (counter < lowest_signal) {
lowest_signal = counter;
}
}
}
}
if (!is_enabled) {
TSI_HAL_EnableModule(base);
}
if (is_int_enabled) {
TSI_HAL_EnableInterrupt(base);
}
if (lowest_signal == TSI_RECALIBRATE_MAX_SIGNAL_VAL) {
lowest_signal = 0U; /* not valid */
}
return lowest_signal;
}