From 8f61e6b99830c2f93b67e8c17cf4c20f40ee0dbd Mon Sep 17 00:00:00 2001
From: "Sebastian H. Gabrielli" <sebgab@sebamail.no>
Date: Sun, 28 Apr 2024 20:10:01 +0200
Subject: [PATCH] Validate that we do not overflow the receive buffer

Closes #20
---
 prosjekt.X/i2c.c                        | 5 +++++
 prosjekt.X/nbproject/configurations.xml | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/prosjekt.X/i2c.c b/prosjekt.X/i2c.c
index 43f65ab..aff2ac4 100644
--- a/prosjekt.X/i2c.c
+++ b/prosjekt.X/i2c.c
@@ -53,6 +53,11 @@ void i2c_reset_recv() {
 
 void i2c_write_handler(uint8_t data) {
   last_action_write = true;
+  
+  // Validate that we are not overflowing the buffer
+  if (i2c_recv_len >= I2C_RECV_BUF_SIZE) { return; }
+  
+  // Write the data to the receive buffer
   i2c_recv[i2c_recv_len] = data;
   i2c_recv_len++;
 }
diff --git a/prosjekt.X/nbproject/configurations.xml b/prosjekt.X/nbproject/configurations.xml
index 22bd261..af7016b 100644
--- a/prosjekt.X/nbproject/configurations.xml
+++ b/prosjekt.X/nbproject/configurations.xml
@@ -42,7 +42,7 @@
         <targetPluginBoard></targetPluginBoard>
         <platformTool>nEdbgTool</platformTool>
         <languageToolchain>XC8</languageToolchain>
-        <languageToolchainVersion>2.45</languageToolchainVersion>
+        <languageToolchainVersion>2.46</languageToolchainVersion>
         <platform>2</platform>
       </toolsSet>
       <packs>