int rp_LaAcqDefaultSettings(rp_handle_uio_t *handle) {
rp_LaAcqGlobalTrigSet(handle,RP_TRG_ALL_MASK);
rp_LaAcqSetConfig(handle, 0);
//rp_LaAcqSetConfig(handle, RP_LA_ACQ_CFG_AUTO_MASK);
rp_la_cfg_regset_t cfg;
cfg.pre=0;
cfg.pst=LA_ACQ_BUF_SIZE;
rp_LaAcqSetCntConfig(handle,cfg);
rp_la_trg_regset_t trg;
trg.cmp_msk=0;
trg.cmp_val=0;
trg.edg_pos=0;
trg.edg_neg=0;
rp_LaAcqSetTrigSettings(handle,trg);
rp_la_decimation_regset_t dec;
dec.dec=0;
rp_LaAcqSetDecimation(handle,dec);
rp_LaAcqDisableRLE(handle);
return RP_OK;
}
/**
* Enable digital port
*
* This function will set the individual digital channels' trigger directions. Each trigger
* direction consists of a channel name and a direction. If the channel is not included in
* the array of RP_DIGITAL_CHANNEL_DIRECTIONS the driver assumes the
* digital channel's trigger direction is RP_DIGITAL_DONT_CARE.
*
* @param directions A pointer to an array of structures describing the
* requested properties.
* If directions is NULL, digital triggering is switched off.
* A digital channel that is not included in the array will be set to RP_DIGITAL_DONT_CARE.
* @param nDirections The number of digital channel directions being
* passed to the driver.
*
*/
RP_STATUS rp_SetTriggerDigitalPortProperties(RP_DIGITAL_CHANNEL_DIRECTIONS * directions,
int16_t nDirections)
{
// disable triggering by default
rp_LaAcqGlobalTrigSet(&la_acq_handle, RP_TRG_ALL_MASK);
rp_la_trg_regset_t trg;
memset(&trg,0,sizeof(rp_la_trg_regset_t));
// none of triggers is enabled
if(directions==NULL){
return RP_API_OK;
}
uint32_t n;
uint32_t edge_cnt=0;
// set trigger pattern settings
for(n=0; n < nDirections; n++){
uint32_t mask = (1<<directions[n].channel);
if(edge_cnt>1){
// more than one pin is set to rising/falling edge
return RP_INVALID_PARAMETER;
}
switch(directions[n].direction){
case RP_DIGITAL_DONT_CARE:
// default value is don't care
break;
case RP_DIGITAL_DIRECTION_LOW:
trg.cmp_msk|=mask;
// default val is low
break;
case RP_DIGITAL_DIRECTION_HIGH:
trg.cmp_msk|=mask;
trg.cmp_val|=mask;
break;
case RP_DIGITAL_DIRECTION_RISING:
trg.edg_pos|=mask;
edge_cnt++;
break;
case RP_DIGITAL_DIRECTION_FALLING:
trg.edg_neg|=mask;
edge_cnt++;
break;
case RP_DIGITAL_DIRECTION_RISING_OR_FALLING:
trg.edg_pos|=mask;
trg.edg_neg|=mask;
edge_cnt++;
break;
default:
return RP_INVALID_PARAMETER;
break;
}
}
// update settings
if(edge_cnt==1){
// edge - enable pattern & software trigger
rp_LaAcqSetTrigSettings(&la_acq_handle, trg);
rp_LaAcqGlobalTrigSet(&la_acq_handle, RP_TRG_LOA_PAT_MASK|RP_TRG_LOA_SWE_MASK);
}
else{
// else leave only software trigger on
rp_LaAcqSetTrigSettings(&la_acq_handle, trg);
rp_LaAcqGlobalTrigSet(&la_acq_handle, RP_TRG_LOA_SWE_MASK);
}
//rp_LaAcqFpgaRegDump(&la_acq_handle);
return RP_API_OK;
}
