Agra-GPS / FreePilot_V2-3

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Dependencies:   FreePilot PinDetect mbed-src

Fork of FreePilot_V2-2 by Agra-GPS

Diff: ISR_TX.cpp

Revision:
2:b936b4acbd92
Parent:
0:eb2522b41db8
Child:
3:0f10f536456e
--- a/ISR_TX.cpp	Sun Nov 21 02:15:07 2010 +0000
+++ b/ISR_TX.cpp	Sun Nov 21 03:31:51 2010 +0000
@@ -29,7 +29,9 @@
 void 
 MODSERIAL::isr_tx(void)
 {
-    if (_base) {
+    if (! _base ) return;
+    
+    if (dmaInUse[TxIrq] == NotInUse ) {
         while (! MODSERIAL_TX_BUFFER_EMPTY && MODSERIAL_THR_HAS_SPACE ) {
             _THR = txc = (uint8_t)(buffer[TxIrq][buffer_out[TxIrq]]);
             buffer_count[TxIrq]--;