File content as of revision 0:33f2abdc6bf9:

#include "dot_util.h"
#if defined(TARGET_XDOT_L151CC)
#include "xdot_low_power.h"
#endif

void display_config() {
    // display configuration and library version information
    logInfo("=====================");
    logInfo("general configuration");
    logInfo("=====================");
    logInfo("version ------------------ %s", dot->getId().c_str());
    logInfo("device ID/EUI ------------ %s", mts::Text::bin2hexString(dot->getDeviceId()).c_str());
    logInfo("default channel plan ----- %s", mDot::FrequencyBandStr(dot->getDefaultFrequencyBand()).c_str());
    logInfo("current channel plan ----- %s", mDot::FrequencyBandStr(dot->getFrequencyBand()).c_str());
    if (lora::ChannelPlan::IsPlanFixed(dot->getFrequencyBand())) {
        logInfo("frequency sub band ------- %u", dot->getFrequencySubBand());
    }
    logInfo("public network ----------- %s", dot->getPublicNetwork() ? "on" : "off");
    logInfo("=========================");
    logInfo("credentials configuration");
    logInfo("=========================");
    logInfo("device class ------------- %s", dot->getClass().c_str());
    logInfo("network join mode -------- %s", mDot::JoinModeStr(dot->getJoinMode()).c_str());
    if (dot->getJoinMode() == mDot::MANUAL || dot->getJoinMode() == mDot::PEER_TO_PEER) {
	logInfo("network address ---------- %s", mts::Text::bin2hexString(dot->getNetworkAddress()).c_str());
	logInfo("network session key------- %s", mts::Text::bin2hexString(dot->getNetworkSessionKey()).c_str());
	logInfo("data session key---------- %s", mts::Text::bin2hexString(dot->getDataSessionKey()).c_str());
    } else {
	logInfo("network name ------------- %s", dot->getNetworkName().c_str());
	logInfo("network phrase ----------- %s", dot->getNetworkPassphrase().c_str());
	logInfo("network EUI -------------- %s", mts::Text::bin2hexString(dot->getNetworkId()).c_str());
	logInfo("network KEY -------------- %s", mts::Text::bin2hexString(dot->getNetworkKey()).c_str());
    }
    logInfo("========================");
    logInfo("communication parameters");
    logInfo("========================");
    if (dot->getJoinMode() == mDot::PEER_TO_PEER) {
	logInfo("TX frequency ------------- %lu", dot->getTxFrequency());
    } else {
	logInfo("acks --------------------- %s, %u attempts", dot->getAck() > 0 ? "on" : "off", dot->getAck());
    }
    logInfo("TX datarate -------------- %s", mDot::DataRateStr(dot->getTxDataRate()).c_str());
    logInfo("TX power ----------------- %lu dBm", dot->getTxPower());
    logInfo("antenna gain ------------- %u dBm", dot->getAntennaGain());
    logInfo("LBT ---------------------- %s", dot->getLbtTimeUs() ? "on" : "off");
    if (dot->getLbtTimeUs()) {
	logInfo("LBT time ----------------- %lu us", dot->getLbtTimeUs());
	logInfo("LBT threshold ------------ %d dBm", dot->getLbtThreshold());
    }
}

void update_peer_to_peer_config(uint8_t *network_address, uint8_t *network_session_key, uint8_t *data_session_key, uint32_t tx_frequency, uint8_t tx_datarate, uint8_t tx_power) {
    std::vector<uint8_t> current_network_address = dot->getNetworkAddress();
    std::vector<uint8_t> current_network_session_key = dot->getNetworkSessionKey();
    std::vector<uint8_t> current_data_session_key = dot->getDataSessionKey();
    uint32_t current_tx_frequency = dot->getTxFrequency();
    uint8_t current_tx_datarate = dot->getTxDataRate();
    uint8_t current_tx_power = dot->getTxPower();

    std::vector<uint8_t> network_address_vector(network_address, network_address + 4);
    std::vector<uint8_t> network_session_key_vector(network_session_key, network_session_key + 16);
    std::vector<uint8_t> data_session_key_vector(data_session_key, data_session_key + 16);

    if (current_network_address != network_address_vector) {
        logInfo("changing network address from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_address).c_str(), mts::Text::bin2hexString(network_address_vector).c_str());
        if (dot->setNetworkAddress(network_address_vector) != mDot::MDOT_OK) {
            logError("failed to set network address to \"%s\"", mts::Text::bin2hexString(network_address_vector).c_str());
        }
    }
    
    if (current_network_session_key != network_session_key_vector) {
        logInfo("changing network session key from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_session_key).c_str(), mts::Text::bin2hexString(network_session_key_vector).c_str());
        if (dot->setNetworkSessionKey(network_session_key_vector) != mDot::MDOT_OK) {
            logError("failed to set network session key to \"%s\"", mts::Text::bin2hexString(network_session_key_vector).c_str());
        }
    }
    
    if (current_data_session_key != data_session_key_vector) {
        logInfo("changing data session key from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_data_session_key).c_str(), mts::Text::bin2hexString(data_session_key_vector).c_str());
        if (dot->setDataSessionKey(data_session_key_vector) != mDot::MDOT_OK) {
            logError("failed to set data session key to \"%s\"", mts::Text::bin2hexString(data_session_key_vector).c_str());
        }
    }
    
    if (current_tx_frequency != tx_frequency) {
	logInfo("changing TX frequency from %lu to %lu", current_tx_frequency, tx_frequency);
	if (dot->setTxFrequency(tx_frequency) != mDot::MDOT_OK) {
	    logError("failed to set TX frequency to %lu", tx_frequency);
	}
    }

    if (current_tx_datarate != tx_datarate) {
	logInfo("changing TX datarate from %u to %u", current_tx_datarate, tx_datarate);
	if (dot->setTxDataRate(tx_datarate) != mDot::MDOT_OK) {
	    logError("failed to set TX datarate to %u", tx_datarate);
	}
    }

    if (current_tx_power != tx_power) {
	logInfo("changing TX power from %u to %u", current_tx_power, tx_power);
	if (dot->setTxPower(tx_power) != mDot::MDOT_OK) {
	    logError("failed to set TX power to %u", tx_power);
	}
    }
}

void join_network() {
    int32_t j_attempts = 0;
    int32_t ret = mDot::MDOT_ERROR;
    
    // attempt to join the network
    while (ret != mDot::MDOT_OK) {
        logInfo("attempt %d to join network", ++j_attempts);
        ret = dot->joinNetwork();
        if (ret != mDot::MDOT_OK) {
            logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
            // in some frequency bands we need to wait until another channel is available before transmitting again
            uint32_t delay_s = (dot->getNextTxMs() / 1000) + 1;
            if (delay_s < 2) {
                logInfo("waiting %lu s until next free channel", delay_s);
                wait(delay_s);
            } else {
                logInfo("sleeping %lu s until next free channel", delay_s);
                dot->sleep(delay_s, mDot::RTC_ALARM, false);
            }
        }
    }
}

void send_data(std::vector<uint8_t> data) {
    int32_t ret;

    ret = dot->send(data);
    if (ret != mDot::MDOT_OK) {
        logError("failed to send data to %s [%d][%s]", dot->getJoinMode() == mDot::PEER_TO_PEER ? "peer" : "gateway", ret, mDot::getReturnCodeString(ret).c_str());
    } else {
        logInfo("successfully sent data to %s", dot->getJoinMode() == mDot::PEER_TO_PEER ? "peer" : "gateway");
    }
}