From 94a17947644117a0cc735bcef1720d34ad04cbc2 Mon Sep 17 00:00:00 2001
From: Johnny Hsu <j.hsu@fasttube.de>
Date: Thu, 18 Jul 2024 10:15:06 +0200
Subject: [PATCH] fix SOC estimation

---
 Core/Src/soc_estimation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/Src/soc_estimation.c b/Core/Src/soc_estimation.c
index 8143ddd..271e6e3 100644
--- a/Core/Src/soc_estimation.c
+++ b/Core/Src/soc_estimation.c
@@ -53,7 +53,7 @@ void soc_update() {
     // Otherwise, use the current counter to update SoC
     float as_delta = shunt_data.current_counter - mAs_before_current;
     float soc_delta = as_delta / SOC_ESTIMATION_BATTERY_CAPACITY * 100;
-    current_soc = soc_before_current + soc_delta;
+    current_soc = soc_before_current - soc_delta;
   }
 }