Diff: mbed/MODSERIAL/ISR_TX.cpp

Revision:

0:964eb6a2ef00

diff -r 000000000000 -r 964eb6a2ef00 mbed/MODSERIAL/ISR_TX.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/MODSERIAL/ISR_TX.cpp	Wed Mar 18 22:23:48 2015 +0000
@@ -0,0 +1,55 @@
+/*
+    Copyright (c) 2010 Andy Kirkham
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+#include "MODSERIAL.h"
+#include "MACROS.h"
+
+namespace AjK
+{
+
+void MODSERIAL::isr_tx(bool doCallback)
+{ 
+    if (TX_IRQ_ENABLED || MODSERIAL_TX_BUFFER_FULL ) {
+        if (! _base || buffer_size[TxIrq] == 0 || buffer[TxIrq] == (char *)NULL) {
+            _isr[TxIrq].call(&this->callbackInfo);
+            return;
+        }
+
+        while (! MODSERIAL_TX_BUFFER_EMPTY && MODSERIAL_WRITABLE ) {
+            MODSERIAL_WRITE_REG = txc = (uint8_t)(buffer[TxIrq][buffer_out[TxIrq]]);
+            buffer_count[TxIrq]--;
+            buffer_out[TxIrq]++;
+            if (buffer_out[TxIrq] >= buffer_size[TxIrq]) {
+                buffer_out[TxIrq] = 0;
+            }
+            if (doCallback) _isr[TxIrq].call(&this->callbackInfo);
+        }
+
+        if ( MODSERIAL_TX_BUFFER_EMPTY ) {
+            DISABLE_TX_IRQ;
+            _isr[TxEmpty].call(&this->callbackInfo);
+        }
+}
+}
+}; // namespace AjK ends
+
+