Added a serial flush in synch function. Sometimes the ACK from the sy…

…nc (UU) wasnt being received due to other characters that were still present in the serial input buffer.
JelmerT · Jun 9, 2014 · 34d4345 · 34d4345
1 parent d7be13a
commit 34d4345
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/cc2538-bsl.py b/cc2538-bsl.py
@@ -188,6 +188,8 @@ def receivePacket(self):
     def sendSynch(self):
         cmd = 0x55
 
+        self.sp.flushInput() #flush serial input buffer for first ACK reception
+
         mdebug(10, "*** sending synch sequence")
         self.sp.write(chr(cmd)) #send U
         self.sp.write(chr(cmd)) #send U