From bf62f66dc8bd37fc5887874bf994a84a4ef42eb0 Mon Sep 17 00:00:00 2001
From: MX <10697207+xMasterX@users.noreply.github.com>
Date: Thu, 24 Nov 2022 17:03:50 +0300
Subject: [PATCH] SubGHz: Fix keeloq, SL, counter going higher than 16bits

Proper reset to 0 after we get to 0xFFFF
---
 lib/subghz/protocols/keeloq.c    | 6 +++++-
 lib/subghz/protocols/star_line.c | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/subghz/protocols/keeloq.c b/lib/subghz/protocols/keeloq.c
index 10993d706..46c86fee4 100644
--- a/lib/subghz/protocols/keeloq.c
+++ b/lib/subghz/protocols/keeloq.c
@@ -137,7 +137,11 @@ void subghz_protocol_encoder_keeloq_free(void* context) {
  * @param btn Button number, 4 bit
  */
 static bool subghz_protocol_keeloq_gen_data(SubGhzProtocolEncoderKeeloq* instance, uint8_t btn) {
-    instance->generic.cnt++;
+    if(instance->generic.cnt < 0xFFFF) {
+        instance->generic.cnt++;
+    } else if(instance->generic.cnt >= 0xFFFF) {
+        instance->generic.cnt = 0;
+    }
     uint32_t fix = btn << 28 | instance->generic.serial;
     uint32_t decrypt = btn << 28 |
                        (instance->generic.serial & 0x3FF)
diff --git a/lib/subghz/protocols/star_line.c b/lib/subghz/protocols/star_line.c
index 182aa2136..3066c6e2b 100644
--- a/lib/subghz/protocols/star_line.c
+++ b/lib/subghz/protocols/star_line.c
@@ -138,7 +138,11 @@ void subghz_protocol_encoder_star_line_free(void* context) {
  */
 static bool
     subghz_protocol_star_line_gen_data(SubGhzProtocolEncoderStarLine* instance, uint8_t btn) {
-    instance->generic.cnt++;
+    if(instance->generic.cnt < 0xFFFF) {
+        instance->generic.cnt++;
+    } else if(instance->generic.cnt >= 0xFFFF) {
+        instance->generic.cnt = 0;
+    }
     uint32_t fix = btn << 24 | instance->generic.serial;
     uint32_t decrypt = btn << 24 | (instance->generic.serial & 0xFF) << 16 | instance->generic.cnt;
     uint32_t hop = 0;