From ff6001b0da06b3a7fb5459ad5159dc5c33c0aea3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Hamal=20Dvo=C5=99=C3=A1k?= <mordae@anilinux.org>
Date: Tue, 2 Jul 2024 13:04:39 +0200
Subject: [PATCH] Fix DC offset error

---
 src/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main.c b/src/main.c
index 3b39512..4a457d1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -543,6 +543,7 @@ static void rf_rx(void)
 			int64_t Q = sQ;
 
 			I *= gain;
+			I -= (max_amplitude * 181) / 256;
 			I /= max_amplitude;
 
 			if (I > 127)
@@ -553,6 +554,7 @@ static void rf_rx(void)
 			*blockptr++ = (uint8_t)I + 128;
 
 			Q *= gain;
+			Q -= (max_amplitude * 181) / 256;
 			Q /= max_amplitude;
 
 			if (Q > 127)