File content as of revision 0:5a0b43f3b143:

/** mDot_display - Uses 160x128 SPI LCD display to show results of message
 * sending and receiving.
 * Uses MultiTech mDot developer board http://www.multitech.com/models/94558010LF
 * Requires a MultiTech MultiConnect Conduit http://www.multitech.com/models/94557203LF
 *
 * Example JSON received on Conduit:
 { "chan": 5, "codr": "4/5", "datr": "SF9BW125", "freq": "869.5",
 "lsnr": "8.8", "modu": "LORA", "rfch": 1, "rssi": -41, "seqn": 13,
 "size": 12, "timestamp": "2015-07-22T21:19:11Z", "tmst": 517590990,
 "payload": "{\"temperature\":21.3}", "eui": "00:80:00:00:00:00:9a:63", "_msg
 id": "73bcd8dd.8c4328" }
 *
 */

#include "mbed.h"
#include "DS1820.h"
#include "mDot.h"
#include "MTSLog.h"
#include "MTSText.h"
#include <string>
#include <vector>

using namespace mts;

// these options must match the settings on your Conduit in
// /var/config/lora/lora-network-server.conf
static std::string config_network_name = "ThingInnovations";
static std::string config_network_pass = "donkey123";
static uint8_t config_frequency_sub_band = 1;

// mDot/dev board activity LED
#define ACTIVITY_LED PA_0
#define DATA_PIN     PC_13

// must use the hardware SPI pins
//SPI device(SPI_MOSI, SPI_MISO, SPI_SCK);

// SPI device defines
#define MDOT_MOSI PA_7
#define MDOT_MISO PA_6
#define MDOT_SCK  PA_5
#define MDOT_TFT_CS PA_4

DS1820 probe(DATA_PIN);

//void log_error(mDot* dot, const char* msg, int32_t retval);

Serial pc(USBTX,USBRX);


int main()
{
    int32_t ret;
    mDot* dot;
    std::vector<uint8_t> send_data;
    std::vector<uint8_t> recv_data;

    int32_t next_tx;
    int32_t wait_time = 2;
//    uint8_t iterations = 99;
    uint16_t txCount = 0;
    uint16_t txFailCount = 0;
    uint16_t rxCount = 0;
    uint16_t rxOkCount = 0;
    uint16_t noRxCount = 0;
    uint16_t rxFailCount = 0;
    bool initStatus = true;      // All intialised OK until told otherwise
    float temperature = 0.0;
    
    pc.baud(115200);
    pc.printf("mDot LoRa Temperature sensor\n\r");
/*    wait_ms(5000);
    for(int i=0; i<10; i++ )
        pc.printf(".");
    pc.printf("\n\r");
*/
/*    while( 1 ) {
        // This takes upto 750mS, way too long. Change to 9 bit resolution if not already used.
        
        probe.convertTemperature(true, DS1820::all_devices);         //Start temperature conversion, wait until ready
//        printf("It is %3.1fC\r\n", probe.temperature());
        // Output data as JSON e.g. {"temperature":"21.3"}
        temperature = probe.temperature();
        pc.printf("Temperature %3.1f\r\n", temperature );
        wait_ms(2000);
    }
*/
//#ifdef bollocks
    // get a mDot handle
    dot = mDot::getInstance();

    dot->setLogLevel(MTSLog::TRACE_LEVEL);

    // reset to default config so we know what state we're in
    dot->resetConfig();

    // Set byte order - AEP less than 1.0.30, currently using 1.0.25Beta
    dot->setJoinByteOrder(mDot::MSB);

    // If on developer board then you can enable activity LED
    // Currently no spare pins that LEDs are connected too.
//    dot->setActivityLedPin( ACTIVITY_LED );
//    dot->setActivityLedEnable(false);

    dot->setJoinRetries( 5 );
    dot->setTxDataRate( mDot::SF_9 );
    dot->setTxPower( 14 );
//    dot->setAck( 0 );       // 1 retries on Ack, 0 to disable

    if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
        initStatus = false;
//        logError(dot, "failed to set frequency sub band", ret);
    }

    if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
        initStatus = false;
//        logError(dot, "failed to set network name", ret);
    }
    
    if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
        initStatus = false;
//        logError(dot, "failed to set network password", ret);
    }
    
//    wait_ms(2000);

    // Display protocol/connection info

    while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
        logError("failed to join network [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
        //wait(2);
        wait_ms(dot->getNextTxMs() + 1);
    }
    
    probe.setResolution(9);

    char dataBuf[50];
//    for (uint8_t i = 0; i < iterations; i++) {
    while( 1 ) {
        // This takes upto 750mS, way too long. Change to 9 bit resolution if not already used.
        
        probe.convertTemperature(true, DS1820::all_devices);         //Start temperature conversion, wait until ready
//        printf("It is %3.1fC\r\n", probe.temperature());
        // Output data as JSON e.g. {"temperature":"21.3"}
        temperature = probe.temperature();
        sprintf(dataBuf, "{\"temperature\":%3.1f}", temperature );
        send_data.clear();
        // probably not the most efficent way to do this
        for( int i=0; i< strlen(dataBuf); i++ )
            send_data.push_back( dataBuf[i] );

        if ((ret = dot->send(send_data)) != mDot::MDOT_OK) {
            logError("failed to send: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
            txFailCount++;
        } else {
            txCount++;
            logInfo("send data: %s", Text::bin2hexString(send_data).c_str());
            /*
            if ((ret = dot->recv(recv_data)) != mDot::MDOT_OK) {
                logError("failed to recv: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
                noRxCount++;
            } else {
                // Received something
                logInfo("recv data: %s", Text::bin2hexString(recv_data).c_str());
                rxCount++;
                if (recv_data == send_data) {
                    rxOkCount++;
                    logInfo("recv data matches");
                } else {
                    rxFailCount++;
                    logInfo("recv data failed to match");
                }
            }
            recv_data.clear();
            */
        }

// TODO: Should really sleep here and wakeup after a set interval.

        next_tx = dot->getNextTxMs() + 1;
        logInfo("waiting %ld ms to transmit again", next_tx);
        wait_ms(next_tx);
        logInfo("waiting another %d seconds", wait_time);
        wait(wait_time);
    }
//#endif
    return 0;
}
/*
void log_error(mDot* dot, const char* msg, int32_t retval)
{
    printf("%s - %ld:%s, %s\r\n", msg, retval, mDot::getReturnCodeString(retval).c_str(), dot->getLastError().c_str());
}
*/