Multi-Hackers / SocketModem

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:
sgodinez
Date:
2013-12-27
Revision:
86:186bbf974c7c
Parent:
85:b17ad6781c5b
Child:
129:3aa470877c59

File content as of revision 86:186bbf974c7c:

#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() && rxBuffer.remaining()) {
        rxBuffer.write(serial.getc());
    }
    if (!rxBuffer.remaining() && serial.readable()) {
        printf("[WARNING] Receieve buffer full, possible data loss.\r\n");  
    }
}

// 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;
        }
    }
}