From f5d67b5eee14b3f7a0f31cee875338f4cc88b46a Mon Sep 17 00:00:00 2001
From: Jaume Balust <balust.jaume@gmail.com>
Date: Tue, 26 Aug 2025 16:23:24 -0600
Subject: [PATCH] cereal: fix frequency precision by changing from int to float
 (#36060)

---
 cereal/messaging/socketmaster.cc | 2 +-
 cereal/services.py               | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/cereal/messaging/socketmaster.cc b/cereal/messaging/socketmaster.cc
index 1a7a48980e..7f7e2795c4 100644
--- a/cereal/messaging/socketmaster.cc
+++ b/cereal/messaging/socketmaster.cc
@@ -33,7 +33,7 @@ MessageContext message_context;
 struct SubMaster::SubMessage {
   std::string name;
   SubSocket *socket = nullptr;
-  int freq = 0;
+  float freq = 0.0f;
   bool updated = false, alive = false, valid = false, ignore_alive;
   uint64_t rcv_time = 0, rcv_frame = 0;
   void *allocated_msg_reader = nullptr;
diff --git a/cereal/services.py b/cereal/services.py
index a4c7463f20..edeca412ce 100755
--- a/cereal/services.py
+++ b/cereal/services.py
@@ -109,12 +109,12 @@ def build_header():
   h += "#include <map>\n"
   h += "#include <string>\n"
 
-  h += "struct service { std::string name; bool should_log; int frequency; int decimation; };\n"
+  h += "struct service { std::string name; bool should_log; float frequency; int decimation; };\n"
   h += "static std::map<std::string, service> services = {\n"
   for k, v in SERVICE_LIST.items():
     should_log = "true" if v.should_log else "false"
     decimation = -1 if v.decimation is None else v.decimation
-    h += '  { "%s", {"%s", %s, %d, %d}},\n' % \
+    h += '  { "%s", {"%s", %s, %f, %d}},\n' % \
          (k, k, should_log, v.frequency, decimation)
   h += "};\n"