From 6cafff924c5447d4bac0deaf43244efd83b8705f Mon Sep 17 00:00:00 2001
From: Alexander Entinger <consulting@lxrobotics.com>
Date: Thu, 22 Feb 2024 09:54:20 +0100
Subject: [PATCH] Fix: do not crash on ASCII chars with a numeric value
 exceeding 127.

---
 src/ArduinoGraphics.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ArduinoGraphics.cpp b/src/ArduinoGraphics.cpp
index 3590eec..b47c2b5 100644
--- a/src/ArduinoGraphics.cpp
+++ b/src/ArduinoGraphics.cpp
@@ -238,7 +238,7 @@ void ArduinoGraphics::text(const char* str, int x, int y)
   }
 
   while (*str) {
-    int c = *str++;
+    uint8_t const c = (uint8_t)*str++;
 
     if (c == '\n') {
       y += _font->height;