diff -r 7029db7ac3db -r 3b3af1ff2783 kstmApp/src/devAdcPi.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kstmApp/src/devAdcPi.c	Tue Jan 19 10:54:27 2016 +0100
@@ -0,0 +1,124 @@
+/** @brief device support adcPi
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <devSup.h>
+#include <recGbl.h>
+#include <alarm.h>
+#include <errlog.h>
+#include <aiRecord.h>
+#include <epicsExport.h>
+#include "drvAdcPi.h"
+
+typedef struct {
+	adcPiCard* card;
+	int signal;
+} adcPiAiPrivate;
+
+long adcPiInitRecordAi (aiRecord *record);
+long adcPiReadAi (aiRecord *record);
+long adcPiSpecialLinconvAi (aiRecord *record, int after);
+
+struct {
+	long		number;
+	DEVSUPFUN	report;
+	DEVSUPFUN	init;
+	DEVSUPFUN	init_record;
+	DEVSUPFUN	get_ioint_info;
+	DEVSUPFUN	read_ai;
+	DEVSUPFUN	special_linconv;
+} adcPiAi = {
+	6,
+	NULL,
+	NULL,
+	adcPiInitRecordAi,
+	NULL,
+	adcPiReadAi,
+	adcPiSpecialLinconvAi
+};
+epicsExportAddress (dset, adcPiAi);
+
+/** @brief init record
+ *
+ */
+long adcPiInitRecordAi (aiRecord *record)
+{
+	adcPiAiPrivate *priv;
+	epicsUInt16 initval;
+	adcPiCard* card;
+	int signal;
+	
+	if (record->inp.type != VME_IO) {
+		errlogSevPrintf (errlogFatal, "adcPiInitRecordAi %s: illegal INP link type\n", record->name);
+		return -1;
+	}
+	
+	card = adcPiOpen (record->inp.value.vmeio.card);
+	if (!card) {
+		errlogSevPrintf (errlogFatal, "adcPiInitRecordAi %s: invalid card number %d\n", record->name, record->inp.value.vmeio.card);
+		return S_dev_noDevice;
+	}
+	
+	signal = record->inp.value.vmeio.signal;
+	if (signal < 0 || signal >= ADC_PI_MAX_CHANNEL) {
+		errlogSevPrintf (errlogFatal, "adcPiInitRecordAi %s: invalid signal number %d\n", record->name, signal);
+		return S_dev_badSignalNumber;
+	}
+	
+	priv = (adcPiAiPrivate*) malloc (sizeof (adcPiAiPrivate));
+	if (!priv) {
+		errlogSevPrintf (errlogFatal, "adcPiInitRecordAi %s: out of memory\n", record->name);
+		return S_dev_noMemory;
+	}
+	
+	priv->card = card;
+	priv->signal = signal;
+	record->dpvt = priv;
+	
+	// printf(" priv at @%p [%d]\n", priv, sizeof (adcPiAiPrivate) );
+	
+	adcPiSpecialLinconvAi (record, TRUE);
+	adcPiGet (card, signal, &initval);
+	
+	record->rval = initval;
+	return 0;
+}
+
+long adcPiReadAi (aiRecord *record)
+{
+	adcPiAiPrivate *priv = (adcPiAiPrivate*) record->dpvt;
+	int status;
+	
+	// printf("ReadAi:  priv at @%p [%d]\n", priv, sizeof (adcPiAiPrivate) );
+	
+	if (!priv) {
+		recGblSetSevr (record, UDF_ALARM, INVALID_ALARM);
+		errlogSevPrintf (errlogFatal, "adcPiReadAi %s: record not initialized correctly\n", record->name);
+		return -1;
+	}
+	unsigned short value;
+	status = adcPiGet (priv->card, priv->signal, &value);
+	if (status) {
+		errlogSevPrintf (errlogFatal, "adcPiReadAi %s: adcPiGet failes: error code 0x%x\n", record->name, status);
+		recGblSetSevr (record, READ_ALARM, INVALID_ALARM);
+	}
+	record->rval = value;
+	return status; // 2 do not convert
+}
+
+long adcPiSpecialLinconvAi (aiRecord *record, int after)
+{
+	if (after) {
+		// printf(" In convert ....\n");
+		// Check/Check ...
+		// MAX_CODE_12BIT / 2048 Volt
+		//record->eoff = ( 8191 * record->egul - -8192 * record->eguf) / (8191 - 8192);
+		record->eoff = 0;
+		record->eslo = 0.000250; // 205 uV (record->eguf - record->egul)/ (8191 - 8192);
+			}
+	return 0;
+}
+	
+
+