Dac (#67)

* dac WIP

* dacs WIP

* DACs are working with names

* namechanges of vrfsh->vshaper, vrfshnpol->vshaperneg

* pattern for MY3, configure MAC for MY3

slsDetectorServers/slsDetectorServer/include/LTC2620_Driver.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <inttypes.h>
+
+/**
+ * Set Defines
+ * @param hardMaxV maximum hardware limit 
+ * @param driverfname driver file name
+ * @param numdacs number of dacs
+ */
+void LTC2620_D_SetDefines(int hardMaxV, char* driverfname, int numdacs);
+
+
+/**
+ * Get max number of steps
+ */
+int LTC2620_D_GetMaxNumSteps();
+
+/**
+ * Convert voltage to dac units
+ * @param voltage value in mv
+ * @param dacval pointer to value converted to dac units
+ * @returns FAIL when voltage outside limits, OK if conversion successful
+ */
+int LTC2620_D_VoltageToDac(int voltage, int* dacval);
+
+/**
+ * Convert dac units to voltage
+ * @param dacval dac units
+ * @param voltage pointer to value converted to mV
+ * @returns FAIL when voltage outside limits, OK if conversion successful
+ */
+int LTC2620_D_DacToVoltage(int dacval, int* voltage);
+
+/**
+ * Set value
+ * @param dacnum dac index
+ * @param val value to set
+ * @param mV 1 for mv, else 0
+ * @param dacval pointer to dac value
+ * @return OK or FAIL
+ */
+int LTC2620_D_SetDACValue(int dacnum, int val, int mV, int *dacval);