Difference between revisions of "CAEN V785N ADC"
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| Line 24: | Line 24: | ||
1 msec Max gate width | 1 msec Max gate width | ||
| − | =Address | + | =Address= |
const PDC_ADDR = 0x0200000 | const PDC_ADDR = 0x0200000 | ||
| + | =Library functions= | ||
| + | |||
| + | <pre> | ||
| + | c785Clear(ADC_ID); | ||
| + | c785ClearThresh(ADC_ID); /* Zero c785 thresholds for all channels*/ | ||
| + | c785Enable(ADC_ID); | ||
| + | c785Status(ADC_ID,0,0); | ||
| + | |||
| + | stat = c785Dready(ADC_ID); | ||
| + | if(stat > 0) { | ||
| + | nwrds = c785ReadEvent(ADC_ID,rol->dabufp); | ||
| + | if(nwrds<=0) { | ||
| + | logMsg("ERROR: ADC Read Failed - Status 0x%x\n",nwrds,0,0,0,0,0); | ||
| + | c785Clear(ADC_ID); | ||
| + | } else { | ||
| + | rol->dabufp += nwrds; | ||
| + | } | ||
| + | }else{ | ||
| + | logMsg("ERROR: NO data in ADC datascan = 0x%x\n",stat,0,0,0,0,0); | ||
| + | c785Clear(ADC_ID) | ||
| + | } | ||
| + | </pre> | ||
| + | |||
=Standalone functions on 2.6.2= | =Standalone functions on 2.6.2= | ||
Revision as of 19:48, 15 November 2016
CAEN peak sensing multi event ADC
Documentation & Specs
http://www.caentechnologies.com/csite/CaenProd.jsp?parent=11&idmod=285
Specs:
0-> +4 Volt input
5.7 us conversion time
12 Bit ADC
50 nsec min rise time for input pulse
1 k-Ohm input impedance
250 nsec min gate width
1 msec Max gate width
Address
const PDC_ADDR = 0x0200000
Library functions
c785Clear(ADC_ID);
c785ClearThresh(ADC_ID); /* Zero c785 thresholds for all channels*/
c785Enable(ADC_ID);
c785Status(ADC_ID,0,0);
stat = c785Dready(ADC_ID);
if(stat > 0) {
nwrds = c785ReadEvent(ADC_ID,rol->dabufp);
if(nwrds<=0) {
logMsg("ERROR: ADC Read Failed - Status 0x%x\n",nwrds,0,0,0,0,0);
c785Clear(ADC_ID);
} else {
rol->dabufp += nwrds;
}
}else{
logMsg("ERROR: NO data in ADC datascan = 0x%x\n",stat,0,0,0,0,0);
c785Clear(ADC_ID)
}
Standalone functions on 2.6.2
A standalone program was created to test the peak sensing ADC functions in the library on the CODA 2.6.2 ROC