Merge pull request #15 from lab11/delay-after-reset

Add delay after reset when entering bootloader.
JelmerT · Feb 2, 2015 · d6711e2 · d6711e2
2 parents ff9182d + 7e1918e
commit d6711e2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cc2538-bsl.py b/cc2538-bsl.py
@@ -120,6 +120,9 @@ def open(self, aport='/dev/tty.usbserial-000013FAB', abaudrate=500000):
         self.sp.setRTS(0)
         self.sp.setRTS(1)
         self.sp.setRTS(0)
+        time.sleep(0.002)  # Make sure the pin is still asserted when the cc2538
+                           # comes out of reset. This fixes an issue where there
+                           # wasn't enough delay here on Mac.
         self.sp.setDTR(0)
 
     def close(self):