A library for talking to Multi-Tech's Cellular SocketModem Devices.
Dependents: M2X_dev axeda_wrapper_dev MTS_M2x_Example1 MTS_Cellular_Connect_Example ... more
io/MTSSerial.cpp
- Committer:
- sam_grove
- Date:
- 2014-01-04
- Revision:
- 142:3b40320f3f73
- Parent:
- 141:571e0ef6c8dc
- Child:
- 144:52cb5b6667cc
File content as of revision 142:3b40320f3f73:
/* 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() { while (serial.readable()) { char byte = serial.getc(); if(rxBuffer.write(byte) != 1) { printf("[ERROR] Serial Rx Byte Dropped [%c][0x%02X]\r\n", byte, byte); if(byte == 0xFF) { // hack so we dont hang - fix later puts("[ERR] Comm errors, must reboot"); fflush(stdout); NVIC_SystemReset(); } return; } } } // 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.putc(byte); } } else { return; } } }