File content as of revision 0:f54d103ce9b6:

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

// these options must match the settings on your Conduit
// uncomment the following lines and edit their values to match your configuration
static std::string config_network_name = "wonjun123";
static std::string config_network_pass = "123123123";
static uint8_t config_frequency_sub_band = 7;

//             r0   r1   r2   r3   c0   c1   c2   c3
//Keypad keypad(p17, p16, p15, p14, p13, p12, p11, p10);

float speed = 5.1;  // km/h
bool isIncreasing = false;
bool isDecreasing = false;

// Callback funciton of speed increasing button pressing
void cbIncreaseSpeed()
{
    speed = speed + 0.1f;
    if (speed > 19) speed = 19;
}
// Callback funciton of speed decreasing button pressing
void cbDecreaseSpeed()
{
    speed = speed - 0.1f;
    if (speed < 0 ) speed = 0;
}

int main() {
    int32_t ret;
    mDot* dot;
    //std::vector<uint8_t> data;
    std::string data_str = "data!";
    
    InterruptIn incBtn(PA_2);    // increase speed button
    InterruptIn decBtn(PA_0);    // decrease speed button

    decBtn.rise(&cbIncreaseSpeed);
    //decBtn.fall(&cbDecreaseSpeed);
    
    // get a mDot handle
    dot = mDot::getInstance();
    
    // print library version information
    logError("dafdfadafdfdaf");
    logInfo("version: %s", dot->getId().c_str());

    //*******************************************
    // configuration
    //*******************************************
    // reset to default config so we know what state we're in
    dot->resetConfig();
    
    dot->setLogLevel(mts::MTSLog::INFO_LEVEL);

    // set up the mDot with our network information: frequency sub band, network name, and network password
    // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
    
    // frequency sub band is only applicable in the 915 (US) frequency band
    // if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
    // if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
    logInfo("setting frequency sub band");
    if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
        logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    logInfo("setting network name");
    if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
        logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    logInfo("setting network password");
    if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
        logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    // a higher spreading factor allows for longer range but lower throughput
    // in the 915 (US) frequency band, spreading factors 7 - 10 are available
    // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
    logInfo("setting TX spreading factor");
    if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) {
        logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    // request receive confirmation of packets from the gateway
    logInfo("enabling ACKs");
    if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
        logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    // set join mode to AUTO_OTA so the mDot doesn't have to rejoin after sleeping
    logInfo("setting join mode to AUTO_OTA");
    if ((ret = dot->setJoinMode(mDot::AUTO_OTA)) != mDot::MDOT_OK) {
        logError("failed to set join mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
    }
    
    // save this configuration to the mDot's NVM
    logInfo("saving config");
    if (! dot->saveConfig()) {
        logError("failed to save configuration");
    }
    //*******************************************
    // end of configuration
    //*******************************************

    // format data for sending to the gateway
    //for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
        //data.push_back((uint8_t) *it);

    // join the network if not joined
    if (!dot->getNetworkJoinStatus()) {
        logInfo("network not joined, joining network");
        if ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
            logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
        }
    }
    
    while (true) {
        std::vector<uint8_t> data;
        
        float tmpSpeed = speed;
        if (tmpSpeed >= 10) {  // 10 - 19 km/h
            data.push_back('1');
            tmpSpeed -= 10;
        }
        tmpSpeed *= 10;
        data.push_back((int)(tmpSpeed) / 10 + '0');
        data.push_back('.');
        data.push_back((int)tmpSpeed % 10 + '0');
        
        if (dot->getNetworkJoinStatus()) {
            // send the data
            // ACKs are enabled by default, so we're expecting to get one back
            if ((ret = dot->send(data)) != mDot::MDOT_OK) {
                logError("failed to send %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
            } else {
                logInfo("successfully sent data to gateway");
            }
        }
        //osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
        
        // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
        uint32_t sleep_time = std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()) / 1000;
        //logInfo("going to sleep...");
    
        // go to deepsleep and wake up automatically sleep_time seconds later
        dot->sleep(sleep_time, mDot::INTERRUPT);
        
        //wait(sleep_time);
    }

    return 0;
}