driver for 595 for led bar

Revision:
0:a3997e98e485
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lb.cpp	Mon Aug 28 13:24:31 2017 +0000
@@ -0,0 +1,17 @@
+#include "lb.h"
+
+
+void lbDispaly::lb_init(PinName ds, PinName shcp, PinName stcp)
+{
+
+}
+// send date to 595 for display,
+void lbDispaly::lb_display(int date, char bit )
+{
+
+}
+//enable for display; OE enale when it's low
+void lbDispaly::lb_enable(PinName OE)
+{
+
+}
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