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Dependents: ATT_Cellular_IOT_Button Avnet_ATT_Cellular_Pubnub Hiking_Pal Avnet_ATT_Cellular_IOT ... more
Diff: GETC.cpp
- Revision:
- 8:775f860e94d3
- Parent:
- 1:b7e435fbfe8e
- Child:
- 22:c11ea36f17f9
--- a/GETC.cpp Mon Nov 22 09:19:50 2010 +0000
+++ b/GETC.cpp Mon Nov 22 09:58:34 2010 +0000
@@ -28,6 +28,14 @@
int
MODSERIAL::__getc(bool block)
{
+ // If no buffer is in use fall back to standard RX FIFO usage.
+ // Note, we must block in this case and ignore bool "block"
+ // so as to maintain compat with Mbed Serial.
+ if (buffer_size[RxIrq] == 0 || buffer[RxIrq] == (char *)NULL) {
+ while(! MODSERIAL_RBR_HAS_DATA ) ;
+ return (int)(_RBR & 0xFF);
+ }
+
if (block) { while ( MODSERIAL_RX_BUFFER_EMPTY ) ; } // Blocks.
else if ( MODSERIAL_RX_BUFFER_EMPTY ) return -1;