From 251e38b7e81bb100bf455e8b413753af351dabf0 Mon Sep 17 00:00:00 2001
From: MMS <miro@quantum-leaps.com>
Date: Thu, 13 Feb 2025 20:56:30 -0500
Subject: [PATCH] 3.0.3

updated lesson-10
---
 lesson-10/stm32c031-keil/main_swap.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/lesson-10/stm32c031-keil/main_swap.c b/lesson-10/stm32c031-keil/main_swap.c
index 627a527..fcc36da 100644
--- a/lesson-10/stm32c031-keil/main_swap.c
+++ b/lesson-10/stm32c031-keil/main_swap.c
@@ -1,9 +1,12 @@
 #include "stm32c031.h"
 #include "delay.h"
 
-#define LED_RED   (1U << 1)
-#define LED_BLUE  (1U << 2)
-#define LED_GREEN (1U << 3)
+// LED marked "LD4" on the NUCLEO-C031C6 board
+#define LD4_PIN  5U
+
+// external LED to be inserted between GND (short leg) and
+// D12 (longer leg) on the CN9 connector
+#define LD5_PIN  6U
 
 int *swap(int *x, int *y);
 int *swap(int *x, int *y) {