add timer fix

see: cyberman54/ESP32-Paxcounter#896
t-huyeng · Nov 15, 2022 · aa7b282 · aa7b282
1 parent f38196b
commit aa7b282
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/lib/libpax/libpax_api.cpp b/lib/libpax/libpax_api.cpp
@@ -198,11 +198,14 @@ int libpax_counter_start() {
 int libpax_counter_stop() {
   wifi_sniffer_stop();
   stop_BLE_scan();
-  xTimerStop(PaxReportTimer, 0);
-  PaxReportTimer = NULL;
+  if (PaxReportTimer != NULL) {
+    xTimerStop(PaxReportTimer, 0);
+    PaxReportTimer = NULL;
+  }
   return 0;
 }
 
+
 int libpax_counter_count(struct count_payload_t* count) {
   fill_counter(count);
   return 0;