From 2b4932080f2bf66b982c5157db9e6401c196a09f Mon Sep 17 00:00:00 2001
From: doppelhub <buhtig.elt@xoxy.net>
Date: Mon, 20 Apr 2026 15:45:44 -0400
Subject: [PATCH] Fixed negative temperature bug

---
 Firmware/firmwareLiBCM/config.h                  | 4 ++--
 Firmware/firmwareLiBCM/src/USB_userInterface.cpp | 6 +++++-
 Firmware/firmwareLiBCM/src/temperature.cpp       | 2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Firmware/firmwareLiBCM/config.h b/Firmware/firmwareLiBCM/config.h
index 0ac249c..745ce1d 100644
--- a/Firmware/firmwareLiBCM/config.h
+++ b/Firmware/firmwareLiBCM/config.h
@@ -7,8 +7,8 @@
     #define config_h
     #include "src/libcm.h"
 
-    #define FW_VERSION "0.9.6a"
-    #define BUILD_DATE "2026APR03"
+    #define FW_VERSION "0.9.6b"
+    #define BUILD_DATE "2026APR20"
 
     //////////////////////////////////////////////////////////////////
 
diff --git a/Firmware/firmwareLiBCM/src/USB_userInterface.cpp b/Firmware/firmwareLiBCM/src/USB_userInterface.cpp
index 552f392..928b1bc 100644
--- a/Firmware/firmwareLiBCM/src/USB_userInterface.cpp
+++ b/Firmware/firmwareLiBCM/src/USB_userInterface.cpp
@@ -283,7 +283,11 @@ void printVspoofInstructions(void)
         "\n -'$MDV=_ : +/-/0: adjust OBDIIC&C parameter 0x05"
         "\n -'$SPF=_ : +/-/0: adjust LiBCM's max allowed VpackSpoof"
         "\n"
-        "\nCalibration instructions:"
+        "\nGoal: Use these commands to make all three voltages identical."
+        "\nNote: These are analog signals, so might not change with each adjustment."
+        "\nRecommendation: Adjust BVO first. Decrease SPF if BVO doesn't change after a couple tries."
+        "\n"
+        "\nDetailed instructions:"
         "\n 0: KeyON, engine off, IMA light must remain off throughout test"
         "\n 1: Configure OBDIIC&C to display BVO parameter 0x0A"
         "\n 2: Configure OBDIIC&C to display MDV parameter 0x05"
diff --git a/Firmware/firmwareLiBCM/src/temperature.cpp b/Firmware/firmwareLiBCM/src/temperature.cpp
index 2246eac..74ddaec 100644
--- a/Firmware/firmwareLiBCM/src/temperature.cpp
+++ b/Firmware/firmwareLiBCM/src/temperature.cpp
@@ -439,7 +439,7 @@ int8_t temperature_measureOneSensor_degC(uint8_t thermistorPin)
         tempMeasured_celsius = ((tempMeasured_celsius * 5) >> 2) - 5; //actual: countsADC = countsADC * 1.225 - 4;
     }
 
-    return (uint8_t)tempMeasured_celsius;
+    return (int8_t)tempMeasured_celsius;
 }
 
 /////////////////////////////////////////////////////////////////////////////////////////