From 8d31cba18c5fe08c8827358f877f043310be2346 Mon Sep 17 00:00:00 2001
From: E-t0m <110770475+E-t0m@users.noreply.github.com>
Date: Sun, 10 Sep 2023 10:07:52 +0200
Subject: [PATCH] fixing soyosource data frame

There was an error in an old fix, that solved wrong values in small demands < 20 W. But introduced errors around 250 / 500 W.
This one is tested with 3 different hardware versions and no anomaly was found anymore.
---
 zeroinput.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/zeroinput.py b/zeroinput.py
index ed63f26..17ece50 100644
--- a/zeroinput.py
+++ b/zeroinput.py
@@ -65,7 +65,9 @@ def set_soyo_demand(ser,power):	# create the packet for soyosource gti
 	pu = power >> 8
 	pl = power & 0xFF
 	cs = 264 - pu - pl
-	if cs >= 256: cs = 8
+	if cs > 255: 
+		if power > 250:	cs -= 256
+		else:		cs -= 255
 	
 	ser.write( bytearray([0x24,0x56,0x00,0x21,pu,pl,0x80,cs]) )
 	ser.flush()