Diff: io/MTSSerial.cpp

Revision:

0:28ca4562fe1a

Child:

3:388e441be8df

diff -r 000000000000 -r 28ca4562fe1a io/MTSSerial.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/io/MTSSerial.cpp	Mon Apr 13 07:23:58 2015 +0000
@@ -0,0 +1,69 @@
+/* Universal Socket Modem Interface Library
+* Copyright (c) 2013 Multi-Tech Systems
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "MTSSerial.h"
+
+using namespace mts;
+
+MTSSerial::MTSSerial(PinName TXD, PinName RXD, int txBufferSize, int rxBufferSize)
+    : MTSBufferedIO(txBufferSize, rxBufferSize)
+    , serial(TXD,RXD)
+{
+    serial.attach(this, &MTSSerial::handleRead, Serial::RxIrq);
+    //serial.attach(this, &MTSSerial::handleWrite, Serial::TxIrq);
+}
+
+MTSSerial::~MTSSerial()
+{
+
+}
+
+void MTSSerial::baud(int baudrate)
+{
+    serial.baud(baudrate);
+}
+
+void MTSSerial::format(int bits, SerialBase::Parity parity, int stop_bits)
+{
+    serial.format(bits, parity, stop_bits);
+}
+
+void MTSSerial::handleRead()
+{
+    char byte = serial.getc();
+    if(rxBuffer.write(byte) != 1) {
+        printf("[ERROR] Serial Rx Byte Dropped [%c][0x%02X]\r\n", byte, byte);
+    }
+}
+
+// Currently uses Non-Irq based blocking write calls
+void MTSSerial::handleWrite()
+{
+    while(txBuffer.size() != 0) {
+        if (serial.writeable()) {
+            char byte;
+            if(txBuffer.read(byte) == 1) {
+                serial.attach(NULL, Serial::RxIrq);
+                serial.putc(byte);
+                serial.attach(this, &MTSSerial::handleRead, Serial::RxIrq);
+            }
+        } else {
+            return;
+        }
+    }
+}
+
+