From 69d4ffc9e80f8851e25602c6e51b5193e93df4db Mon Sep 17 00:00:00 2001
From: sluiter <sluiter@aps.anl.gov>
Date: Mon, 8 Feb 2016 16:54:39 -0600
Subject: [PATCH] Error check for invalid IRQ=1 value.

---
 README                     | 6 ++++++
 motorApp/OmsSrc/drvMAXv.cc | 7 ++++---
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README b/README
index a3849d8b..ca754d46 100644
--- a/README
+++ b/README
@@ -213,6 +213,12 @@ Modification Log for R6-10
 	Files modified:	motor_init_record_com() in MotorSrc/motordevCom.cc
 	                init_controller()       in MotorSrc/devMotorAsyn.c
         
+7) The MAXv User's Manual specifies that "The IRQ interrupt level range is
+        0x010-0x111 (IRQ2-7)...". The appropriate error check has been added to
+        the MAXvSetup() call.
+
+	File modified:	OmsSrc/drvMAXv.cc
+
 
 Modification Log for R6-9
 =========================
diff --git a/motorApp/OmsSrc/drvMAXv.cc b/motorApp/OmsSrc/drvMAXv.cc
index 76af266e..97cb849f 100644
--- a/motorApp/OmsSrc/drvMAXv.cc
+++ b/motorApp/OmsSrc/drvMAXv.cc
@@ -93,6 +93,7 @@ USAGE...        Motor record driver level support for OMS model MAXv.
  *                    command into two commands.
  *                  - Fix for intermittent wrong command displayed from Command Error message. motorIsr() saves the
  *                    message in a separate static buffer.
+ * 26  11-05-13 rls - Valid IRQ levels are 2 thru 6.
  *
  */
 
@@ -891,7 +892,7 @@ MAXvSetup(int num_cards,        /* maximum number of cards in rack */
           int addrs_type,       /* VME address type; 16 - A16, 24 - A24 or 32 - A32. */
           unsigned int addrs,   /* Base Address. */
           unsigned int vector,  /* noninterrupting(0), valid vectors(64-255) */
-          int int_level,        /* interrupt level (1-6) */
+          int int_level,        /* interrupt level (2-6) */
           int scan_rate)        /* 1 <= polling rate <= (1/epicsThreadSleepQuantum) */
 {
     int itera;
@@ -991,9 +992,9 @@ MAXvSetup(int num_cards,        /* maximum number of cards in rack */
         }
     }
 
-    if (int_level < 1 || int_level > 6)
+    if (int_level < 2 || int_level > 6)
     {
-        char format[] = "%sinterrupt level = %d ***\n";
+        char format[] = "%sinterrupt level = %d *** default = 5\n";
         omsInterruptLevel = OMS_INT_LEVEL;
         errlogPrintf(format, errbase, int_level);
         epicsThreadSleep(5.0);