MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

Revision:
2:b936b4acbd92
Parent:
0:eb2522b41db8
Child:
3:0f10f536456e
--- a/MODSERIAL.cpp	Sun Nov 21 02:15:07 2010 +0000
+++ b/MODSERIAL.cpp	Sun Nov 21 03:31:51 2010 +0000
@@ -71,6 +71,12 @@
     return MODSERIAL_RX_BUFFER_EMPTY; 
 }
 
+bool 
+MODSERIAL::txIsBusy(void) 
+{ 
+    return (_LSR & (3UL << 5) == 0) ? true : false; 
+} 
+
 void
 MODSERIAL::disableIrq(void)
 {