From b44bad3b928bc589649afcf5f825d804a4ef24c6 Mon Sep 17 00:00:00 2001
From: Romain Goyet <romain.goyet@numworks.com>
Date: Tue, 28 Feb 2017 18:56:21 +0100
Subject: [PATCH] [apps/hwtest] Proper MCU_SERIAL command

Change-Id: I485bd67fa464a541a89d2c1c878b41a3328bed88
---
 apps/hwtest/lowlevel/lowlevel.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/hwtest/lowlevel/lowlevel.cpp b/apps/hwtest/lowlevel/lowlevel.cpp
index 8e1a8fd80..15fbaac5a 100644
--- a/apps/hwtest/lowlevel/lowlevel.cpp
+++ b/apps/hwtest/lowlevel/lowlevel.cpp
@@ -79,10 +79,11 @@ void command_ping(const char * input) {
 }
 
 void command_mcu_serial(const char * input) {
-  Ion::Console::writeLine("UNKNOWN");
+  char response[11+24+1] = {'M', 'C', 'U', '_', 'S', 'E', 'R', 'I', 'A', 'L', '=', 0};
+  strlcpy(response+11, Ion::serialNumber(), 25);
+  Ion::Console::writeLine(response);
 }
 
-
 static inline int8_t hexChar(char c) {
   if (c >= '0' && c <= '9') {
     return (c - '0');