From d942c79f6237e597dde22b24a5542be20cecfa22 Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael.goavec@trabucayre.com>
Date: Tue, 22 Apr 2025 18:59:19 +0200
Subject: [PATCH] jtag: added method to retrieves number of devices in the JTAG
 chain

---
 src/jtag.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/jtag.hpp b/src/jtag.hpp
index aee70f9..c2f5f58 100644
--- a/src/jtag.hpp
+++ b/src/jtag.hpp
@@ -79,6 +79,12 @@ class Jtag {
 	 */
 	uint32_t get_target_device_id() {return _devices_list[device_index];}
 
+	/*!
+	 * \brief return JTAG chain length
+	 * \return number of devices present
+	 */
+	size_t get_chain_len() {return _devices_list.size();}
+
 	/*!
 	 * \brief set index for targeted FPGA
 	 * \param[in] index: index in the chain