From 1d0c3c0c1c94495807255ac419219fb51bbce674 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Ha=C3=9Fel?= <git@patrick-hassel.de>
Date: Mon, 9 Jan 2023 10:15:59 +0100
Subject: [PATCH] FIX: Buffer overflow: Mode::timers

---
 src/mode/Mode.h | 2 +-
 src/serial.cpp  | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mode/Mode.h b/src/mode/Mode.h
index d5586b3..dffb6f1 100644
--- a/src/mode/Mode.h
+++ b/src/mode/Mode.h
@@ -127,7 +127,7 @@ private:
 
     void handleTimers() {
       milliseconds_t ms = millis();
-      for (Timer *timer = timers; timer < timers + sizeof(timers); timer++) {
+      for (Timer *timer = timers; timer < timers + countof(timers); timer++) {
         if (timer->interval > 0) {
           milliseconds_t milliseconds = ms - timer->last;
           if (milliseconds >= timer->interval) {
diff --git a/src/serial.cpp b/src/serial.cpp
index a0ebcc6..6dd0116 100644
--- a/src/serial.cpp
+++ b/src/serial.cpp
@@ -23,7 +23,10 @@ void serial_loop() {
       case '7':
       case '8':
       case '9':
-        setMode((ModeId)(input - '0'));
+        setMode((ModeId) (input - '0'));
+        break;
+      case 'a':
+        setMode((ModeId) (input - 'a'));
         break;
       case '+':
         setBrightness(display.getBrightness() + 10);