Amanda Travieso
Library Fork
Diff: MODSERIAL.cpp
- Revision:
- 18:21ef26402365
- Parent:
- 9:b3cdae80e7a9
- Child:
- 23:5c45c21f36b7
--- a/MODSERIAL.cpp Tue Mar 08 01:42:25 2011 +0000
+++ b/MODSERIAL.cpp Thu Apr 21 09:20:41 2011 +0000
@@ -105,5 +105,24 @@
}
}
+int
+MODSERIAL::rxDiscardLastChar(void)
+{
+ // This function can only be called indirectly from
+ // an rxCallback function. Therefore, we know we
+ // just placed a char into the buffer.
+ char c = buffer[RxIrq][buffer_in[RxIrq]];
+
+ if (buffer_count[RxIrq]) {
+ buffer_count[RxIrq]--;
+ buffer_in[RxIrq]--;
+ if (buffer_in[RxIrq] < 0) {
+ buffer_in[RxIrq] = buffer_size[RxIrq] - 1;
+ }
+ }
+
+ return (int)c;
+}
+
}; // namespace AjK ends