test for clock lock

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@11240 221aa14e-8319-0410-a670-987f0aec2ac5

2 files changed, 13 insertions, 0 deletions

diff --git a/usrp2/firmware/lib/clocks.c b/usrp2/firmware/lib/clocks.c
index 0b0467346..0dbf3f90e 100644
--- a/usrp2/firmware/lib/clocks.c
+++ b/usrp2/firmware/lib/clocks.c
@@ -113,6 +113,14 @@ clocks_mimo_config(int flags)
     clocks_enable_clkexp_out(false,0); 
 }
 
+bool 
+clocks_lock_detect()
+{
+  if(pic_regs->pending & PIC_CLKSTATUS)
+    return true;
+  return false;
+}
+
 int inline
 clocks_gen_div(int divisor)
 {
diff --git a/usrp2/firmware/lib/clocks.h b/usrp2/firmware/lib/clocks.h
index 4d44bca79..39a0893c1 100644
--- a/usrp2/firmware/lib/clocks.h
+++ b/usrp2/firmware/lib/clocks.h
@@ -44,6 +44,11 @@ void clocks_init(void);
 void clocks_mimo_config(int flags);
 
 /*!
+ * \brief Lock Detect -- Return True if our PLL is locked
+ */
+bool clocks_lock_detect();
+
+/*!
  * \brief Enable or disable test clock (extra clock signal)
  */
 void clocks_enable_test_clk(bool enable, int divisor);