int acq_GetTriggerLevel(float *voltage)
{
if ((last_trig_src == RP_TRIG_SRC_CHA_PE) || (last_trig_src == RP_TRIG_SRC_CHA_NE)) {
ECHECK(acq_GetChannelThreshold(RP_CH_1, voltage));
} else if ((last_trig_src == RP_TRIG_SRC_CHB_PE) || (last_trig_src == RP_TRIG_SRC_CHB_NE)) {
ECHECK(acq_GetChannelThreshold(RP_CH_2, voltage));
}
return RP_OK;
}
int acq_SetGain(rp_channel_t channel, rp_pinState_t state)
{
rp_pinState_t *gain = NULL;
if (channel == RP_CH_1) {
gain = &gain_ch_a;
}
else {
gain = &gain_ch_b;
}
// Read old values which are dependent on the gain...
rp_pinState_t old_gain;
float ch_thr, ch_hyst;
old_gain = *gain;
ECHECK(acq_GetChannelThreshold(channel, &ch_thr));
ECHECK(acq_GetChannelThresholdHyst(channel, &ch_hyst));
// Now update the gain
*gain = state;
// And recalculate new values...
int status = acq_SetChannelThreshold(channel, ch_thr);
if (status == RP_OK) {
status = acq_SetChannelThresholdHyst(channel, ch_hyst);
}
// In case of an error, put old values back and report the error
if (status != RP_OK) {
*gain = old_gain;
acq_SetChannelThreshold(channel, ch_thr);
acq_SetChannelThresholdHyst(channel, ch_hyst);
}
// At the end if everything is ok, update also equalization filters based on the new gain.
// Updating eq filters should never fail...
else {
status = setEqFilters(channel);
}
return status;
}
int acq_GetTriggerLevel(float *voltage)
{
ECHECK(acq_GetChannelThreshold(RP_CH_1, voltage));
return RP_OK;
}
