From 3a4f333781a481b70fcd598bcc5a93ed9c5a619b Mon Sep 17 00:00:00 2001
From: Justin Fichtner <justin.fichtner@lakeshore.com>
Date: 周四, 30 11月 2017 22:26:30 +0800
Subject: [PATCH] Fix typos in tests

---
 libscpi/src/ieee488.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/libscpi/src/ieee488.c b/libscpi/src/ieee488.c
index 667e9da..4e1be81 100644
--- a/libscpi/src/ieee488.c
+++ b/libscpi/src/ieee488.c
@@ -51,6 +51,17 @@
 }
 
 /**
+ * Update latching event register value based on bit transitions from 0 -> 1
+ * in the condition register
+ * @param context
+ * @param condReg - condition register name
+ * @param eventReg - event register name
+ */
+static void regUpdateEvent(scpi_t * context, scpi_reg_val_t oldCondVal, scpi_reg_val_t newCondVal, scpi_reg_name_t eventReg) {
+    SCPI_RegSet(context, eventReg, ((oldCondVal ^ newCondVal) & newCondVal) | SCPI_RegGet(context, eventReg));
+}
+
+/**
  * Update STB register according to value and its mask register
  * @param context
  * @param val value of register
@@ -142,12 +153,18 @@
         case SCPI_REG_QUESE:
             regUpdate(context, SCPI_REG_QUES);
             break;
+        case SCPI_REG_QUESC:
+            regUpdateEvent(context, old_val, val, SCPI_REG_QUES);
+            break;
         case SCPI_REG_OPER:
             regUpdateSTB(context, val, SCPI_REG_OPERE, STB_OPS);
             break;
         case SCPI_REG_OPERE:
             regUpdate(context, SCPI_REG_OPER);
             break;
+        case SCPI_REG_OPERC:
+            regUpdateEvent(context, old_val, val, SCPI_REG_OPER);
+            break;
 
 
         case SCPI_REG_COUNT:

--
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