From 4a2122fa9e0e851ad5115a5cb0f5383b038b4b0c Mon Sep 17 00:00:00 2001
From: Cristian Carreras <cristian.carrerascastillo@gmail.com>
Date: Wed, 3 Nov 2021 23:09:33 -0300
Subject: [PATCH] add function fifo_count

---
 FIFO.c | 6 ++++++
 FIFO.h | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/FIFO.c b/FIFO.c
index 89b50c5..99e664d 100644
--- a/FIFO.c
+++ b/FIFO.c
@@ -146,3 +146,9 @@ static void fifo_copy_to(fifo_t fifo, const void *item)
 		fifo->writeoffset = 0;
 	}
 }
+
+int fifo_count(fifo_t fifo){
+	uint8_t fifo_len;
+	fifo_len = fifo->storedbytes/fifo->itemsize;
+	return fifo_len;
+}
\ No newline at end of file
diff --git a/FIFO.h b/FIFO.h
index 90b52f0..7d96ad2 100644
--- a/FIFO.h
+++ b/FIFO.h
@@ -209,6 +209,13 @@ extern "C" {
 	 */
 	bool fifo_discard(fifo_t fifo, uint16_t count, enum fifo_side side);
 
+	/*!
+	* @brief this function returns the number of elements in the FIFO
+	* @param fifo pointer to the FIFO
+	* @return the number of elements in the FIFO
+	*/
+	int fifo_count(fifo_t fifo);
+
 #ifdef __cplusplus
 }
 #endif