Derek Fukumori
/
MODSERIAL
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Diff: ISR_TX.cpp
- Revision:
- 8:775f860e94d3
- Parent:
- 6:c8f77fe1cc10
- Child:
- 12:8c7394e2ae7f
diff -r ffa4a7cb7f8d -r 775f860e94d3 ISR_TX.cpp
--- a/ISR_TX.cpp Mon Nov 22 09:19:50 2010 +0000
+++ b/ISR_TX.cpp Mon Nov 22 09:58:34 2010 +0000
@@ -28,7 +28,10 @@
void
MODSERIAL::isr_tx(bool doCallback)
{
- if (! _base ) return;
+ if (! _base || buffer_size[TxIrq] == 0 || buffer[TxIrq] == (char *)NULL) {
+ _isr[TxIrq].call();
+ return;
+ }
while (! MODSERIAL_TX_BUFFER_EMPTY && MODSERIAL_THR_HAS_SPACE ) {
_THR = txc = (uint8_t)(buffer[TxIrq][buffer_out[TxIrq]]);