From fe392acfbd632abc34df18cec3d3a22397866f13 Mon Sep 17 00:00:00 2001
From: Juerd Waalboer <juerd@tnx.nl>
Date: Sat, 26 Dec 2020 17:39:10 +0100
Subject: [PATCH] Change type for consistency

(Now it's inconsistent with the char* in readBytes, but at least it's
consistent in this file...)

Thanks, supakeen!

Also changed the type for the returned value.
---
 operame.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/operame.ino b/operame.ino
index 92be484..0bd9464 100644
--- a/operame.ino
+++ b/operame.ino
@@ -319,7 +319,7 @@ int aqc_get_co2() {
     static bool initialized = false;
 
     const uint8_t command[9] = { 0xff, 0x01, 0xc5, 0, 0, 0, 0, 0, 0x3a };
-    char response[9];
+    uint8_t response[9];
     int co2 = -1;
 
     for (int attempt = 0; attempt < 3; attempt++) {
@@ -329,7 +329,7 @@ int aqc_get_co2() {
 
         hwserial1.write(command, sizeof(command));
         delay(50);
-        int c = hwserial1.readBytes(response, sizeof(response));
+        size_t c = hwserial1.readBytes(response, sizeof(response));
         if (c != sizeof(response) || response[0] != 0xff || response[1] != 0x86) {
             continue;
         }