commit 87e430cca516d7f93dec656edbf13929867c83a3
author Brian Silverman <brians> Wed Mar 26 17:06:34 2014 -0700
committer Brian Silverman <brians> Wed Mar 26 17:06:34 2014 -0700
tree bc2ae8d8a5e12b2e320cb18bf072e035666597dd
parent 6c8d6fd3678edefb91d577ad78899f7ade5783f4

got it so the BBB at least detects when the cape has out of date code

bbb_cape/src/bbb/uart_reader.h

diff --git a/bbb_cape/src/bbb/uart_reader.h b/bbb_cape/src/bbb/uart_reader.h
index a8edc6e..7861003 100644
--- a/bbb_cape/src/bbb/uart_reader.h
+++ b/bbb_cape/src/bbb/uart_reader.h
@@ -17,8 +17,9 @@
   explicit UartReader(int32_t baud_rate);
   virtual ~UartReader();
 
-  virtual ssize_t ReadBytes(uint8_t *dest, size_t max_bytes,
-                            const ::aos::time::Time &timeout_time) override;
+  virtual ssize_t ReadBytes(
+      uint8_t *dest, size_t max_bytes,
+      const ::aos::time::Time &timeout_time = ::aos::time::Time(0, 0)) override;
   virtual bool WriteBytes(uint8_t *bytes, size_t number_bytes) override;
 
  private: