From bad8f01afd2554d6f673f4ea9ea7adb51cd9da33 Mon Sep 17 00:00:00 2001
From: Raul Rojas <rrojas994@gmail.com>
Date: Tue, 8 Jun 2021 20:48:52 -0400
Subject: [PATCH] Adds SemphrGetCountFromISR with QMsgWaitingFromISR (#345)

* Adds SemphrGetCountFromISR with QMsgWaitingFromISR
---
 .github/lexicon.txt |  1 +
 include/semphr.h    | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/.github/lexicon.txt b/.github/lexicon.txt
index cad08816f..7bc3bd6e3 100644
--- a/.github/lexicon.txt
+++ b/.github/lexicon.txt
@@ -2440,6 +2440,7 @@ uxsavedmaskvalue
 uxsavedtaskstackpointer
 uxschedulersuspended
 uxsemaphoregetcount
+uxsemaphoregetcountfromisr
 uxstate
 uxstreambuffernumber
 uxtaskgetnumberoftasks
diff --git a/include/semphr.h b/include/semphr.h
index ddbb585cc..56d9ed20e 100644
--- a/include/semphr.h
+++ b/include/semphr.h
@@ -1172,4 +1172,18 @@ typedef QueueHandle_t SemaphoreHandle_t;
  */
 #define uxSemaphoreGetCount( xSemaphore )                uxQueueMessagesWaiting( ( QueueHandle_t ) ( xSemaphore ) )
 
+/**
+ * semphr.h
+ * <pre>
+ * UBaseType_t uxSemaphoreGetCountFromISR( SemaphoreHandle_t xSemaphore );
+ * </pre>
+ *
+ * If the semaphore is a counting semaphore then uxSemaphoreGetCountFromISR() returns
+ * its current count value.  If the semaphore is a binary semaphore then
+ * uxSemaphoreGetCountFromISR() returns 1 if the semaphore is available, and 0 if the
+ * semaphore is not available.
+ *
+ */
+#define uxSemaphoreGetCountFromISR( xSemaphore )                uxQueueMessagesWaitingFromISR( ( QueueHandle_t ) ( xSemaphore ) )
+
 #endif /* SEMAPHORE_H */