randomize time sync seq nr

include/timesync.h

@@ -9,6 +9,7 @@
 //#define TIME_SYNC_TRIGGER 100 // threshold for time sync [milliseconds]
 #define TIME_SYNC_FRAME_LENGTH 0x07 // timeserver answer frame length [bytes]
 #define TIME_SYNC_FIXUP 4 // calibration to fixup processing time [milliseconds]
+#define TIMEREQUEST_MAX_SEQNO 0xf0 // threshold for wrap around seqno
 
 void timesync_init(void);
 void send_timesync_req(void);

src/paxcounter.conf

@@ -16,7 +16,7 @@
 
 // Set this to include BLE counting and vendor filter functions, or to switch off WIFI counting
 #define VENDORFILTER                    1       // set to 0 if you want to count things, not people
-#define BLECOUNTER                      1       // set it to 1 if you want to use BLE count, at expense of power & memory
+#define BLECOUNTER                      0       // set it to 1 if you want to use BLE count, at expense of power & memory
 #define WIFICOUNTER                     1       // set it to 0 if you want to switch off WIFI count
 
 // BLE scan parameters
@@ -99,7 +99,6 @@
 #define BATTPORT                        8       // battery voltage
 #define TIMEPORT                        9       // time query and response
 #define TIMEDIFFPORT                    13      // time adjust diff
-#define TIMEREQUEST_MAX_SEQNO          250    // time answer, start of port range
 #define SENSOR1PORT                     10      // user sensor #1
 #define SENSOR2PORT                     11      // user sensor #2
 #define SENSOR3PORT                     12      // user sensor #3

src/timesync.cpp

@@ -25,7 +25,7 @@ typedef std::chrono::duration<long long int, std::ratio<1, 1000>>
 
 TaskHandle_t timeSyncReqTask = NULL;
 
-static uint8_t time_sync_seqNo = 0;
+static uint8_t time_sync_seqNo = (uint8_t)random(TIMEREQUEST_MAX_SEQNO);
 static bool timeSyncPending = false;
 static myClock_timepoint time_sync_tx[TIME_SYNC_SAMPLES];
 static myClock_timepoint time_sync_rx[TIME_SYNC_SAMPLES];