Revision 0:34da43c761f8, committed 2018-02-08

Comitter:

bhimebau

Date:

Thu Feb 08 18:45:41 2018 +0000

Commit message:

Initial push;

Changed in this revision

diff -r 000000000000 -r 34da43c761f8 .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,4 @@
+mbed-os
+.build
+/mdot/
+/mdot-library/

diff -r 000000000000 -r 34da43c761f8 examples/example_config.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/example_config.h	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,28 @@
+#ifndef __EXAMPLE__CONFIG_H__
+#define __EXAMPLE__CONFIG_H__
+
+#define OTA_EXAMPLE              1  // see ota_example.cpp
+#define AUTO_OTA_EXAMPLE         2  // see auto_ota_example.cpp
+#define MANUAL_EXAMPLE           3  // see manual_example.cpp
+#define PEER_TO_PEER_EXAMPLE     4  // see peer_to_peer_example.cpp
+#define CLASS_C_EXAMPLE          5  // see class_c_example.cpp
+
+// the active example is the one that will be compiled
+#if !defined(ACTIVE_EXAMPLE)
+#define ACTIVE_EXAMPLE  OTA_EXAMPLE
+#endif
+
+// the active channel plan is the one that will be compiled
+// options are :
+//      CP_US915
+//      CP_AU915
+//      CP_EU868
+//      CP_KR920
+//      CP_AS923
+//      CP_AS923_JAPAN
+//      CP_IN865
+#if !defined(CHANNEL_PLAN)
+#define CHANNEL_PLAN CP_US915
+#endif
+
+#endif

diff -r 000000000000 -r 34da43c761f8 examples/inc/RadioEvent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/inc/RadioEvent.h	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,75 @@
+#ifndef __RADIO_EVENT_H__
+#define __RADIO_EVENT_H__
+
+#include "dot_util.h"
+#include "mDotEvent.h"
+
+class RadioEvent : public mDotEvent
+{
+ 
+public:
+    RadioEvent() {}
+ 
+    virtual ~RadioEvent() {}
+ 
+    /*!
+     * MAC layer event callback prototype.
+     *
+     * \param [IN] flags Bit field indicating the MAC events occurred
+     * \param [IN] info  Details about MAC events occurred
+     */
+    virtual void MacEvent(LoRaMacEventFlags* flags, LoRaMacEventInfo* info) {
+ 
+        if (mts::MTSLog::getLogLevel() == mts::MTSLog::TRACE_LEVEL) {
+            std::string msg = "OK";
+            switch (info->Status) {
+                case LORAMAC_EVENT_INFO_STATUS_ERROR:
+                    msg = "ERROR";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT:
+                    msg = "TX_TIMEOUT";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT:
+                    msg = "RX_TIMEOUT";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_RX_ERROR:
+                    msg = "RX_ERROR";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL:
+                    msg = "JOIN_FAIL";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_DOWNLINK_FAIL:
+                    msg = "DOWNLINK_FAIL";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL:
+                    msg = "ADDRESS_FAIL";
+                    break;
+                case LORAMAC_EVENT_INFO_STATUS_MIC_FAIL:
+                    msg = "MIC_FAIL";
+                    break;
+                default:
+                    break;
+            }
+            logTrace("Event: %s", msg.c_str());
+ 
+            logTrace("Flags Tx: %d Rx: %d RxData: %d RxSlot: %d LinkCheck: %d JoinAccept: %d",
+                     flags->Bits.Tx, flags->Bits.Rx, flags->Bits.RxData, flags->Bits.RxSlot, flags->Bits.LinkCheck, flags->Bits.JoinAccept);
+            logTrace("Info: Status: %d ACK: %d Retries: %d TxDR: %d RxPort: %d RxSize: %d RSSI: %d SNR: %d Energy: %d Margin: %d Gateways: %d",
+                     info->Status, info->TxAckReceived, info->TxNbRetries, info->TxDatarate, info->RxPort, info->RxBufferSize,
+                     info->RxRssi, info->RxSnr, info->Energy, info->DemodMargin, info->NbGateways);
+        }
+ 
+        if (flags->Bits.Rx) {
+            
+            logDebug("Rx %d bytes", info->RxBufferSize);
+            if (info->RxBufferSize > 0) {
+                // print RX data as string and hexadecimal 
+                std::string rx((const char*)info->RxBuffer, info->RxBufferSize);
+                printf("Rx data: %s [%s]\r\n", rx.c_str(), mts::Text::bin2hexString(info->RxBuffer, info->RxBufferSize).c_str());
+            }
+        }
+    }
+};
+
+#endif
+

diff -r 000000000000 -r 34da43c761f8 examples/inc/dot_util.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/inc/dot_util.h	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,42 @@
+#ifndef __DOT_UTIL_H__
+#define __DOT_UTIL_H__
+
+#include "mbed.h"
+#include "mDot.h"
+#include "ChannelPlans.h"
+#include "MTSLog.h"
+#include "MTSText.h"
+#include "ISL29011.h"
+#include "example_config.h"
+
+extern mDot* dot;
+
+void display_config();
+
+void update_ota_config_name_phrase(std::string network_name, std::string network_passphrase, uint8_t frequency_sub_band, bool public_network, uint8_t ack);
+
+void update_ota_config_id_key(uint8_t *network_id, uint8_t *network_key, uint8_t frequency_sub_band, bool public_network, uint8_t ack);
+
+void update_manual_config(uint8_t *network_address, uint8_t *network_session_key, uint8_t *data_session_key, uint8_t frequency_sub_band, bool public_network, uint8_t ack);
+
+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);
+
+void update_network_link_check_config(uint8_t link_check_count, uint8_t link_check_threshold);
+
+void join_network();
+
+void sleep_wake_rtc_only(bool deepsleep);
+
+void sleep_wake_interrupt_only(bool deepsleep);
+
+void sleep_wake_rtc_or_interrupt(bool deepsleep);
+
+void sleep_save_io();
+
+void sleep_configure_io();
+
+void sleep_restore_io();
+
+void send_data(std::vector<uint8_t> data);
+
+#endif

diff -r 000000000000 -r 34da43c761f8 examples/lib/ISL29011.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/lib/ISL29011.lib	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/Multi-Hackers/code/ISL29011/#c1d5f4999b9e

diff -r 000000000000 -r 34da43c761f8 examples/src/auto_ota_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/auto_ota_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,174 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == AUTO_OTA_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match the settings on your gateway //
+// * edit their values to match your configuration         //
+// * frequency sub band is only relevant for the 915 bands //
+// * either the network name and passphrase can be used or //
+//     the network ID (8 bytes) and KEY (16 bytes)         //
+/////////////////////////////////////////////////////////////
+// static std::string network_name = "MultiTech";
+// static std::string network_passphrase = "MultiTech";
+static std::string network_name = "MTCDT-19400691";
+static std::string network_passphrase = "MTCDT-19400691";
+
+static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 };
+static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B };
+static uint8_t frequency_sub_band = 0;
+static bool public_network = false;
+static uint8_t ack = 0;
+static bool adr = true;
+
+// deepsleep consumes slightly less current than sleep
+// in sleep mode, IO state is maintained, RAM is retained, and application will resume after waking up
+// in deepsleep mode, IOs float, RAM is lost, and application will start from beginning after waking up
+// if deep_sleep == true, device will enter deepsleep mode
+static bool deep_sleep = true;
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    if (!dot->getStandbyFlag()) {
+        logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+        // start from a well-known state
+        logInfo("defaulting Dot configuration");
+        dot->resetConfig();
+        dot->resetNetworkSession();
+
+        // make sure library logging is turned on
+        dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+        // update configuration if necessary
+        // in AUTO_OTA mode the session is automatically saved, so saveNetworkSession and restoreNetworkSession are not needed
+        if (dot->getJoinMode() != mDot::AUTO_OTA) {
+            logInfo("changing network join mode to AUTO_OTA");
+            if (dot->setJoinMode(mDot::AUTO_OTA) != mDot::MDOT_OK) {
+                logError("failed to set network join mode to AUTO_OTA");
+            }
+        }
+        // in OTA and AUTO_OTA join modes, the credentials can be passed to the library as a name and passphrase or an ID and KEY
+        // only one method or the other should be used!
+        // network ID = crc64(network name)
+        // network KEY = cmac(network passphrase)
+        // update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, public_network, ack);
+        update_ota_config_id_key(network_id, network_key, frequency_sub_band, public_network, ack);
+    
+        // configure network link checks
+        // network link checks are a good alternative to requiring the gateway to ACK every packet and should allow a single gateway to handle more Dots
+        // check the link every count packets
+        // declare the Dot disconnected after threshold failed link checks
+        // for count = 3 and threshold = 5, the Dot will ask for a link check response every 5 packets and will consider the connection lost if it fails to receive 3 responses in a row
+        update_network_link_check_config(3, 5);
+
+        // enable or disable Adaptive Data Rate
+        dot->setAdr(adr);
+    
+        // save changes to configuration
+        logInfo("saving configuration");
+        if (!dot->saveConfig()) {
+            logError("failed to save configuration");
+        }
+    
+        // display configuration
+        display_config();
+    }
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+        // join network if not joined
+        if (!dot->getNetworkJoinStatus()) {
+            join_network();
+        }
+
+#if defined(TARGET_XDOT_L151CC)
+        // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+        lux.setMode(ISL29011::ALS_CONT);
+        lux.setResolution(ISL29011::ADC_16BIT);
+        lux.setRange(ISL29011::RNG_64000);
+
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+
+        // put the LSL29011 ambient light sensor into a low power state
+        lux.setMode(ISL29011::PWR_DOWN);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // ONLY ONE of the three functions below should be uncommented depending on the desired wakeup method
+        //sleep_wake_rtc_only(deep_sleep);
+        //sleep_wake_interrupt_only(deep_sleep);
+        sleep_wake_rtc_or_interrupt(deep_sleep);
+    }
+ 
+    return 0;
+}
+
+#endif

diff -r 000000000000 -r 34da43c761f8 examples/src/class_c_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/class_c_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,165 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == CLASS_C_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match the settings on your gateway //
+// * edit their values to match your configuration         //
+// * frequency sub band is only relevant for the 915 bands //
+// * either the network name and passphrase can be used or //
+//     the network ID (8 bytes) and KEY (16 bytes)         //
+/////////////////////////////////////////////////////////////
+static std::string network_name = "MultiTech";
+static std::string network_passphrase = "MultiTech";
+static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 };
+static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B };
+static uint8_t frequency_sub_band = 0;
+static bool public_network = false;
+static uint8_t ack = 1;
+static bool adr = true;
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+    // start from a well-known state
+    logInfo("defaulting Dot configuration");
+    dot->resetConfig();
+    dot->resetNetworkSession();
+
+        // make sure library logging is turned on
+    dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    // update configuration if necessary
+    if (dot->getJoinMode() != mDot::OTA) {
+        logInfo("changing network join mode to OTA");
+        if (dot->setJoinMode(mDot::OTA) != mDot::MDOT_OK) {
+            logError("failed to set network join mode to OTA");
+        }
+    }
+    // in OTA and AUTO_OTA join modes, the credentials can be passed to the library as a name and passphrase or an ID and KEY
+    // only one method or the other should be used!
+    // network ID = crc64(network name)
+    // network KEY = cmac(network passphrase)
+    update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, public_network, ack);
+    //update_ota_config_id_key(network_id, network_key, frequency_sub_band, public_network, ack);
+
+    // configure the Dot for class C operation
+    // the Dot must also be configured on the gateway for class C
+    // use the lora-query application to do this on a Conduit: http://www.multitech.net/developer/software/lora/lora-network-server/
+    // to provision your Dot for class C operation with a 3rd party gateway, see the gateway or network provider documentation
+    logInfo("changing network mode to class C");
+    if (dot->setClass("C") != mDot::MDOT_OK) {
+        logError("failed to set network mode to class C");
+    }
+
+    // enable or disable Adaptive Data Rate
+    dot->setAdr(adr);
+    
+    // save changes to configuration
+    logInfo("saving configuration");
+    if (!dot->saveConfig()) {
+        logError("failed to save configuration");
+    }
+
+    // display configuration
+    display_config();
+
+#if defined(TARGET_XDOT_L151CC)
+    // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+    lux.setMode(ISL29011::ALS_CONT);
+    lux.setResolution(ISL29011::ADC_16BIT);
+    lux.setRange(ISL29011::RNG_64000);
+#endif 
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+        // join network if not joined
+        if (!dot->getNetworkJoinStatus()) {
+            join_network();
+        }
+
+#if defined(TARGET_XDOT_L151CC)
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // the Dot can't sleep in class C mode
+        // it must be waiting for data from the gateway
+        // send data every 30s
+        logInfo("waiting for 30s");
+        wait(30);
+    }
+ 
+    return 0;
+}
+
+#endif
+

diff -r 000000000000 -r 34da43c761f8 examples/src/dot_util.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/dot_util.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,714 @@
+#include "dot_util.h"
+#if defined(TARGET_XDOT_L151CC)
+#include "xdot_low_power.h"
+#endif
+
+#if defined(TARGET_MTS_MDOT_F411RE)
+uint32_t portA[6];
+uint32_t portB[6];
+uint32_t portC[6];
+uint32_t portD[6];
+uint32_t portH[6];
+#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_ota_config_name_phrase(std::string network_name, std::string network_passphrase, uint8_t frequency_sub_band, bool public_network, uint8_t ack) {
+    std::string current_network_name = dot->getNetworkName();
+    std::string current_network_passphrase = dot->getNetworkPassphrase();
+    uint8_t current_frequency_sub_band = dot->getFrequencySubBand();
+    bool current_public_network = dot->getPublicNetwork();
+    uint8_t current_ack = dot->getAck();
+    
+    if (current_network_name != network_name) {
+        logInfo("changing network name from \"%s\" to \"%s\"", current_network_name.c_str(), network_name.c_str());
+        if (dot->setNetworkName(network_name) != mDot::MDOT_OK) {
+            logError("failed to set network name to \"%s\"", network_name.c_str());
+        }
+    }
+    
+    if (current_network_passphrase != network_passphrase) {
+        logInfo("changing network passphrase from \"%s\" to \"%s\"", current_network_passphrase.c_str(), network_passphrase.c_str());
+        if (dot->setNetworkPassphrase(network_passphrase) != mDot::MDOT_OK) {
+            logError("failed to set network passphrase to \"%s\"", network_passphrase.c_str());
+        }
+    }
+    
+    if (lora::ChannelPlan::IsPlanFixed(dot->getFrequencyBand())) {
+	if (current_frequency_sub_band != frequency_sub_band) {
+	    logInfo("changing frequency sub band from %u to %u", current_frequency_sub_band, frequency_sub_band);
+	    if (dot->setFrequencySubBand(frequency_sub_band) != mDot::MDOT_OK) {
+		logError("failed to set frequency sub band to %u", frequency_sub_band);
+	    }
+	}
+    }
+    
+    if (current_public_network != public_network) {
+        logInfo("changing public network from %s to %s", current_public_network ? "on" : "off", public_network ? "on" : "off");
+        if (dot->setPublicNetwork(public_network) != mDot::MDOT_OK) {
+            logError("failed to set public network to %s", public_network ? "on" : "off");
+        }
+    }
+    
+    if (current_ack != ack) {
+        logInfo("changing acks from %u to %u", current_ack, ack);
+        if (dot->setAck(ack) != mDot::MDOT_OK) {
+            logError("failed to set acks to %u", ack);
+        }
+    }
+}
+
+void update_ota_config_id_key(uint8_t *network_id, uint8_t *network_key, uint8_t frequency_sub_band, bool public_network, uint8_t ack) {
+    std::vector<uint8_t> current_network_id = dot->getNetworkId();
+    std::vector<uint8_t> current_network_key = dot->getNetworkKey();
+    uint8_t current_frequency_sub_band = dot->getFrequencySubBand();
+    bool current_public_network = dot->getPublicNetwork();
+    uint8_t current_ack = dot->getAck();
+
+    std::vector<uint8_t> network_id_vector(network_id, network_id + 8);
+    std::vector<uint8_t> network_key_vector(network_key, network_key + 16);
+    
+    if (current_network_id != network_id_vector) {
+        logInfo("changing network ID from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_id).c_str(), mts::Text::bin2hexString(network_id_vector).c_str());
+        if (dot->setNetworkId(network_id_vector) != mDot::MDOT_OK) {
+            logError("failed to set network ID to \"%s\"", mts::Text::bin2hexString(network_id_vector).c_str());
+        }
+    }
+    
+    if (current_network_key != network_key_vector) {
+        logInfo("changing network KEY from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_key).c_str(), mts::Text::bin2hexString(network_key_vector).c_str());
+        if (dot->setNetworkKey(network_key_vector) != mDot::MDOT_OK) {
+            logError("failed to set network KEY to \"%s\"", mts::Text::bin2hexString(network_key_vector).c_str());
+        }
+    }
+    
+    if (lora::ChannelPlan::IsPlanFixed(dot->getFrequencyBand())) {
+	if (current_frequency_sub_band != frequency_sub_band) {
+	    logInfo("changing frequency sub band from %u to %u", current_frequency_sub_band, frequency_sub_band);
+	    if (dot->setFrequencySubBand(frequency_sub_band) != mDot::MDOT_OK) {
+		logError("failed to set frequency sub band to %u", frequency_sub_band);
+	    }
+	}
+    }
+    
+    if (current_public_network != public_network) {
+        logInfo("changing public network from %s to %s", current_public_network ? "on" : "off", public_network ? "on" : "off");
+        if (dot->setPublicNetwork(public_network) != mDot::MDOT_OK) {
+            logError("failed to set public network to %s", public_network ? "on" : "off");
+        }
+    }
+    
+    if (current_ack != ack) {
+        logInfo("changing acks from %u to %u", current_ack, ack);
+        if (dot->setAck(ack) != mDot::MDOT_OK) {
+            logError("failed to set acks to %u", ack);
+        }
+    }
+}
+
+void update_manual_config(uint8_t *network_address, uint8_t *network_session_key, uint8_t *data_session_key, uint8_t frequency_sub_band, bool public_network, uint8_t ack) {
+    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();
+    uint8_t current_frequency_sub_band = dot->getFrequencySubBand();
+    bool current_public_network = dot->getPublicNetwork();
+    uint8_t current_ack = dot->getAck();
+
+    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_frequency_sub_band != frequency_sub_band) {
+        logInfo("changing frequency sub band from %u to %u", current_frequency_sub_band, frequency_sub_band);
+        if (dot->setFrequencySubBand(frequency_sub_band) != mDot::MDOT_OK) {
+            logError("failed to set frequency sub band to %u", frequency_sub_band);
+        }
+    }
+    
+    if (current_public_network != public_network) {
+        logInfo("changing public network from %s to %s", current_public_network ? "on" : "off", public_network ? "on" : "off");
+        if (dot->setPublicNetwork(public_network) != mDot::MDOT_OK) {
+            logError("failed to set public network to %s", public_network ? "on" : "off");
+        }
+    }
+    
+    if (current_ack != ack) {
+        logInfo("changing acks from %u to %u", current_ack, ack);
+        if (dot->setAck(ack) != mDot::MDOT_OK) {
+            logError("failed to set acks to %u", ack);
+        }
+    }
+}
+
+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 update_network_link_check_config(uint8_t link_check_count, uint8_t link_check_threshold) {
+    uint8_t current_link_check_count = dot->getLinkCheckCount();
+    uint8_t current_link_check_threshold = dot->getLinkCheckThreshold();
+
+    if (current_link_check_count != link_check_count) {
+	logInfo("changing link check count from %u to %u", current_link_check_count, link_check_count);
+	if (dot->setLinkCheckCount(link_check_count) != mDot::MDOT_OK) {
+	    logError("failed to set link check count to %u", link_check_count);
+	}
+    }
+
+    if (current_link_check_threshold != link_check_threshold) {
+	logInfo("changing link check threshold from %u to %u", current_link_check_threshold, link_check_threshold);
+	if (dot->setLinkCheckThreshold(link_check_threshold) != mDot::MDOT_OK) {
+	    logError("failed to set link check threshold to %u", link_check_threshold);
+	}
+    }
+}
+
+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 sleep_wake_rtc_only(bool deepsleep) {
+    // in some frequency bands we need to wait until another channel is available before transmitting again
+    // wait at least 10s between transmissions
+    uint32_t delay_s = dot->getNextTxMs() / 1000;
+    if (delay_s < 10) {
+        delay_s = 10;
+    }
+    
+    logInfo("%ssleeping %lus", deepsleep ? "deep" : "", delay_s);
+    logInfo("application will %s after waking up", deepsleep ? "execute from beginning" : "resume");
+
+    // lowest current consumption in sleep mode can only be achieved by configuring IOs as analog inputs with no pull resistors
+    // the library handles all internal IOs automatically, but the external IOs are the application's responsibility
+    // certain IOs may require internal pullup or pulldown resistors because leaving them floating would cause extra current consumption
+    // for xDot: UART_*, I2C_*, SPI_*, GPIO*, WAKE
+    // for mDot: XBEE_*, USBTX, USBRX, PB_0, PB_1
+    // steps are:
+    //   * save IO configuration
+    //   * configure IOs to reduce current consumption
+    //   * sleep
+    //   * restore IO configuration
+    if (! deepsleep) {
+	// save the GPIO state.
+	sleep_save_io();
+
+	// configure GPIOs for lowest current
+	sleep_configure_io();
+    }
+    
+    // go to sleep/deepsleep for delay_s seconds and wake using the RTC alarm
+    dot->sleep(delay_s, mDot::RTC_ALARM, deepsleep);
+
+    if (! deepsleep) {
+	// restore the GPIO state.
+	sleep_restore_io();
+    }
+}
+
+void sleep_wake_interrupt_only(bool deepsleep) {
+#if defined (TARGET_XDOT_L151CC)
+    if (deepsleep) {
+        // for xDot, WAKE pin (connected to S2 on xDot-DK) is the only pin that can wake the processor from deepsleep
+        // it is automatically configured when INTERRUPT or RTC_ALARM_OR_INTERRUPT is the wakeup source and deepsleep is true in the mDot::sleep call
+    } else {
+        // configure WAKE pin (connected to S2 on xDot-DK) as the pin that will wake the xDot from low power modes
+        //      other pins can be confgured instead: GPIO0-3 or UART_RX
+        dot->setWakePin(WAKE);    
+    }
+
+    logInfo("%ssleeping until interrupt on %s pin", deepsleep ? "deep" : "", deepsleep ? "WAKE" : mDot::pinName2Str(dot->getWakePin()).c_str());
+#else
+
+    if (deepsleep) {
+        // for mDot, XBEE_DIO7 pin is the only pin that can wake the processor from deepsleep
+        // it is automatically configured when INTERRUPT or RTC_ALARM_OR_INTERRUPT is the wakeup source and deepsleep is true in the mDot::sleep call
+    } else {
+        // configure XBEE_DIO7 pin as the pin that will wake the mDot from low power modes
+        //      other pins can be confgured instead: XBEE_DIO2-6, XBEE_DI8, XBEE_DIN
+        dot->setWakePin(XBEE_DIO7);    
+    }
+
+    logInfo("%ssleeping until interrupt on %s pin", deepsleep ? "deep" : "", deepsleep ? "DIO7" : mDot::pinName2Str(dot->getWakePin()).c_str());
+#endif
+
+    logInfo("application will %s after waking up", deepsleep ? "execute from beginning" : "resume");
+
+    // lowest current consumption in sleep mode can only be achieved by configuring IOs as analog inputs with no pull resistors
+    // the library handles all internal IOs automatically, but the external IOs are the application's responsibility
+    // certain IOs may require internal pullup or pulldown resistors because leaving them floating would cause extra current consumption
+    // for xDot: UART_*, I2C_*, SPI_*, GPIO*, WAKE
+    // for mDot: XBEE_*, USBTX, USBRX, PB_0, PB_1
+    // steps are:
+    //   * save IO configuration
+    //   * configure IOs to reduce current consumption
+    //   * sleep
+    //   * restore IO configuration
+    if (! deepsleep) {
+	// save the GPIO state.
+	sleep_save_io();
+
+	// configure GPIOs for lowest current
+	sleep_configure_io();
+    }
+    
+    // go to sleep/deepsleep and wake on rising edge of configured wake pin (only the WAKE pin in deepsleep)
+    // since we're not waking on the RTC alarm, the interval is ignored
+    dot->sleep(0, mDot::INTERRUPT, deepsleep);
+
+    if (! deepsleep) {
+	// restore the GPIO state.
+	sleep_restore_io();
+    }
+}
+
+void sleep_wake_rtc_or_interrupt(bool deepsleep) {
+    // in some frequency bands we need to wait until another channel is available before transmitting again
+    // wait at least 10s between transmissions
+    uint32_t delay_s = dot->getNextTxMs() / 1000;
+    if (delay_s < 10) {
+        delay_s = 10;
+    }
+
+#if defined (TARGET_XDOT_L151CC)
+    if (deepsleep) {
+        // for xDot, WAKE pin (connected to S2 on xDot-DK) is the only pin that can wake the processor from deepsleep
+        // it is automatically configured when INTERRUPT or RTC_ALARM_OR_INTERRUPT is the wakeup source and deepsleep is true in the mDot::sleep call
+    } else {
+        // configure WAKE pin (connected to S2 on xDot-DK) as the pin that will wake the xDot from low power modes
+        //      other pins can be confgured instead: GPIO0-3 or UART_RX
+        dot->setWakePin(WAKE);    
+    }
+
+    logInfo("%ssleeping %lus or until interrupt on %s pin", deepsleep ? "deep" : "", delay_s, deepsleep ? "WAKE" : mDot::pinName2Str(dot->getWakePin()).c_str());
+#else
+    if (deepsleep) {
+        // for mDot, XBEE_DIO7 pin is the only pin that can wake the processor from deepsleep
+        // it is automatically configured when INTERRUPT or RTC_ALARM_OR_INTERRUPT is the wakeup source and deepsleep is true in the mDot::sleep call
+    } else {
+        // configure XBEE_DIO7 pin as the pin that will wake the mDot from low power modes
+        //      other pins can be confgured instead: XBEE_DIO2-6, XBEE_DI8, XBEE_DIN
+        dot->setWakePin(XBEE_DIO7);    
+    }
+
+    logInfo("%ssleeping %lus or until interrupt on %s pin", deepsleep ? "deep" : "", delay_s, deepsleep ? "DIO7" : mDot::pinName2Str(dot->getWakePin()).c_str());
+#endif
+
+    logInfo("application will %s after waking up", deepsleep ? "execute from beginning" : "resume");
+
+    // lowest current consumption in sleep mode can only be achieved by configuring IOs as analog inputs with no pull resistors
+    // the library handles all internal IOs automatically, but the external IOs are the application's responsibility
+    // certain IOs may require internal pullup or pulldown resistors because leaving them floating would cause extra current consumption
+    // for xDot: UART_*, I2C_*, SPI_*, GPIO*, WAKE
+    // for mDot: XBEE_*, USBTX, USBRX, PB_0, PB_1
+    // steps are:
+    //   * save IO configuration
+    //   * configure IOs to reduce current consumption
+    //   * sleep
+    //   * restore IO configuration
+    if (! deepsleep) {
+	// save the GPIO state.
+	sleep_save_io();
+
+	// configure GPIOs for lowest current
+	sleep_configure_io();
+    }
+    
+    // go to sleep/deepsleep and wake using the RTC alarm after delay_s seconds or rising edge of configured wake pin (only the WAKE pin in deepsleep)
+    // whichever comes first will wake the xDot
+    dot->sleep(delay_s, mDot::RTC_ALARM_OR_INTERRUPT, deepsleep);
+
+    if (! deepsleep) {
+	// restore the GPIO state.
+	sleep_restore_io();
+    }
+}
+
+void sleep_save_io() {
+#if defined(TARGET_XDOT_L151CC)
+	xdot_save_gpio_state();
+#else
+	portA[0] = GPIOA->MODER;
+	portA[1] = GPIOA->OTYPER;
+	portA[2] = GPIOA->OSPEEDR;
+	portA[3] = GPIOA->PUPDR;
+	portA[4] = GPIOA->AFR[0];
+	portA[5] = GPIOA->AFR[1];
+
+	portB[0] = GPIOB->MODER;
+	portB[1] = GPIOB->OTYPER;
+	portB[2] = GPIOB->OSPEEDR;
+	portB[3] = GPIOB->PUPDR;
+	portB[4] = GPIOB->AFR[0];
+	portB[5] = GPIOB->AFR[1];
+
+	portC[0] = GPIOC->MODER;
+	portC[1] = GPIOC->OTYPER;
+	portC[2] = GPIOC->OSPEEDR;
+	portC[3] = GPIOC->PUPDR;
+	portC[4] = GPIOC->AFR[0];
+	portC[5] = GPIOC->AFR[1];
+
+	portD[0] = GPIOD->MODER;
+	portD[1] = GPIOD->OTYPER;
+	portD[2] = GPIOD->OSPEEDR;
+	portD[3] = GPIOD->PUPDR;
+	portD[4] = GPIOD->AFR[0];
+	portD[5] = GPIOD->AFR[1];
+
+	portH[0] = GPIOH->MODER;
+	portH[1] = GPIOH->OTYPER;
+	portH[2] = GPIOH->OSPEEDR;
+	portH[3] = GPIOH->PUPDR;
+	portH[4] = GPIOH->AFR[0];
+	portH[5] = GPIOH->AFR[1];
+#endif
+}
+
+void sleep_configure_io() {
+#if defined(TARGET_XDOT_L151CC)
+    // GPIO Ports Clock Enable
+    __GPIOA_CLK_ENABLE();
+    __GPIOB_CLK_ENABLE();
+    __GPIOC_CLK_ENABLE();
+    __GPIOH_CLK_ENABLE();
+
+    GPIO_InitTypeDef GPIO_InitStruct;
+
+    // UART1_TX, UART1_RTS & UART1_CTS to analog nopull - RX could be a wakeup source
+    GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_11 | GPIO_PIN_12;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    // I2C_SDA & I2C_SCL to analog nopull
+    GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_9;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+    // SPI_MOSI, SPI_MISO, SPI_SCK, & SPI_NSS to analog nopull
+    GPIO_InitStruct.Pin = GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+    // iterate through potential wake pins - leave the configured wake pin alone if one is needed
+    if (dot->getWakePin() != WAKE || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_0;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+    if (dot->getWakePin() != GPIO0 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_4;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+    if (dot->getWakePin() != GPIO1 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_5;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+    if (dot->getWakePin() != GPIO2 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_0;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+    }
+    if (dot->getWakePin() != GPIO3 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_2;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+    }
+    if (dot->getWakePin() != UART1_RX || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_10;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+#else
+    /* GPIO Ports Clock Enable */
+    __GPIOA_CLK_ENABLE();
+    __GPIOB_CLK_ENABLE();
+    __GPIOC_CLK_ENABLE();
+
+    GPIO_InitTypeDef GPIO_InitStruct;
+
+    // XBEE_DOUT, XBEE_DIN, XBEE_DO8, XBEE_RSSI, USBTX, USBRX, PA_12, PA_13, PA_14 & PA_15 to analog nopull
+    GPIO_InitStruct.Pin = GPIO_PIN_2 | GPIO_PIN_6 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 
+                | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);    
+
+    // PB_0, PB_1, PB_3 & PB_4 to analog nopull
+    GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_4;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 
+
+    // PC_9 & PC_13 to analog nopull
+    GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_13;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); 
+
+    // iterate through potential wake pins - leave the configured wake pin alone if one is needed
+    // XBEE_DIN - PA3
+    // XBEE_DIO2 - PA5
+    // XBEE_DIO3 - PA4
+    // XBEE_DIO4 - PA7
+    // XBEE_DIO5 - PC1
+    // XBEE_DIO6 - PA1
+    // XBEE_DIO7 - PA0
+    // XBEE_SLEEPRQ - PA11
+                
+    if (dot->getWakePin() != XBEE_DIN || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_3;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+    if (dot->getWakePin() != XBEE_DIO2 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_5;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+    if (dot->getWakePin() != XBEE_DIO3 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_4;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+         if (dot->getWakePin() != XBEE_DIO4 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_7;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+     if (dot->getWakePin() != XBEE_DIO5 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_1;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+    }
+
+     if (dot->getWakePin() != XBEE_DIO6 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_1;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+     if (dot->getWakePin() != XBEE_DIO7 || dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_0;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+
+     if (dot->getWakePin() != XBEE_SLEEPRQ|| dot->getWakeMode() == mDot::RTC_ALARM) {
+        GPIO_InitStruct.Pin = GPIO_PIN_11;
+        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    }
+#endif
+}
+
+void sleep_restore_io() {
+#if defined(TARGET_XDOT_L151CC)
+    xdot_restore_gpio_state();
+#else
+    GPIOA->MODER = portA[0];
+    GPIOA->OTYPER = portA[1];
+    GPIOA->OSPEEDR = portA[2];
+    GPIOA->PUPDR = portA[3];
+    GPIOA->AFR[0] = portA[4];
+    GPIOA->AFR[1] = portA[5];
+
+    GPIOB->MODER = portB[0];
+    GPIOB->OTYPER = portB[1];
+    GPIOB->OSPEEDR = portB[2];
+    GPIOB->PUPDR = portB[3];
+    GPIOB->AFR[0] = portB[4];
+    GPIOB->AFR[1] = portB[5];
+
+    GPIOC->MODER = portC[0];
+    GPIOC->OTYPER = portC[1];
+    GPIOC->OSPEEDR = portC[2];
+    GPIOC->PUPDR = portC[3];
+    GPIOC->AFR[0] = portC[4];
+    GPIOC->AFR[1] = portC[5];
+
+    GPIOD->MODER = portD[0];
+    GPIOD->OTYPER = portD[1];
+    GPIOD->OSPEEDR = portD[2];
+    GPIOD->PUPDR = portD[3];
+    GPIOD->AFR[0] = portD[4];
+    GPIOD->AFR[1] = portD[5];
+
+    GPIOH->MODER = portH[0];
+    GPIOH->OTYPER = portH[1];
+    GPIOH->OSPEEDR = portH[2];
+    GPIOH->PUPDR = portH[3];
+    GPIOH->AFR[0] = portH[4];
+    GPIOH->AFR[1] = portH[5];
+#endif
+}
+
+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");
+    }
+}
+

diff -r 000000000000 -r 34da43c761f8 examples/src/manual_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/manual_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,174 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == MANUAL_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match the settings on your gateway //
+// * edit their values to match your configuration         //
+// * frequency sub band is only relevant for the 915 bands //
+/////////////////////////////////////////////////////////////
+static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 };
+static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
+static uint8_t data_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
+static uint8_t frequency_sub_band = 6;
+static bool public_network = false;
+static uint8_t ack = 1;
+static bool adr = true;
+
+// deepsleep consumes slightly less current than sleep
+// in sleep mode, IO state is maintained, RAM is retained, and application will resume after waking up
+// in deepsleep mode, IOs float, RAM is lost, and application will start from beginning after waking up
+// if deep_sleep == true, device will enter deepsleep mode
+static bool deep_sleep = true;
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    if (!dot->getStandbyFlag()) {
+        logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+        // start from a well-known state
+        logInfo("defaulting Dot configuration");
+        dot->resetConfig();
+        dot->resetNetworkSession();
+
+        // make sure library logging is turned on
+        dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+        // update configuration if necessary
+        if (dot->getJoinMode() != mDot::MANUAL) {
+            logInfo("changing network join mode to MANUAL");
+            if (dot->setJoinMode(mDot::MANUAL) != mDot::MDOT_OK) {
+                logError("failed to set network join mode to MANUAL");
+            }
+        }
+        // in MANUAL join mode there is no join request/response transaction
+        // as long as the Dot is configured correctly and provisioned correctly on the gateway, it should be able to communicate
+        // network address - 4 bytes (00000001 - FFFFFFFE)
+        // network session key - 16 bytes
+        // data session key - 16 bytes
+        // to provision your Dot with a Conduit gateway, follow the following steps
+        //   * ssh into the Conduit
+        //   * provision the Dot using the lora-query application: http://www.multitech.net/developer/software/lora/lora-network-server/
+        //      lora-query -a 01020304 A 0102030401020304 <your Dot's device ID> 01020304010203040102030401020304 01020304010203040102030401020304
+        //   * if you change the network address, network session key, or data session key, make sure you update them on the gateway
+        // to provision your Dot with a 3rd party gateway, see the gateway or network provider documentation
+        update_manual_config(network_address, network_session_key, data_session_key, frequency_sub_band, public_network, ack);
+
+        // enable or disable Adaptive Data Rate
+        dot->setAdr(adr);
+
+        // save changes to configuration
+        logInfo("saving configuration");
+        if (!dot->saveConfig()) {
+            logError("failed to save configuration");
+        }
+
+        // display configuration
+        display_config();
+    } else {
+        // restore the saved session if the dot woke from deepsleep mode
+        // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep
+        logInfo("restoring network session from NVM");
+        dot->restoreNetworkSession();
+    }
+    
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+#if defined(TARGET_XDOT_L151CC)
+        // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+        lux.setMode(ISL29011::ALS_CONT);
+        lux.setResolution(ISL29011::ADC_16BIT);
+        lux.setRange(ISL29011::RNG_64000);
+
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+
+        // put the LSL29011 ambient light sensor into a low power state
+        lux.setMode(ISL29011::PWR_DOWN);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // if going into deepsleep mode, save the session so we don't need to join again after waking up
+        // not necessary if going into sleep mode since RAM is retained
+        if (deep_sleep) {
+            logInfo("saving network session to NVM");
+            dot->saveNetworkSession();
+        }
+
+        // ONLY ONE of the three functions below should be uncommented depending on the desired wakeup method
+        //sleep_wake_rtc_only(deep_sleep);
+        //sleep_wake_interrupt_only(deep_sleep);
+        sleep_wake_rtc_or_interrupt(deep_sleep);
+    }
+ 
+    return 0;
+}
+
+#endif

diff -r 000000000000 -r 34da43c761f8 examples/src/ota_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/ota_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,182 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == OTA_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match the settings on your gateway //
+// * edit their values to match your configuration         //
+// * frequency sub band is only relevant for the 915 bands //
+// * either the network name and passphrase can be used or //
+//     the network ID (8 bytes) and KEY (16 bytes)         //
+/////////////////////////////////////////////////////////////
+static std::string network_name = "MTCDT-19400691";
+static std::string network_passphrase = "MTCDT-19400691";
+static uint8_t network_id[] = { 0x6C, 0x4E, 0xEF, 0x66, 0xF4, 0x79, 0x86, 0xA6 };
+static uint8_t network_key[] = { 0x1F, 0x33, 0xA1, 0x70, 0xA5, 0xF1, 0xFD, 0xA0, 0xAB, 0x69, 0x7A, 0xAE, 0x2B, 0x95, 0x91, 0x6B };
+static uint8_t frequency_sub_band = 0;
+static bool public_network = false;
+static uint8_t ack = 0;
+static bool adr = true;
+
+// deepsleep consumes slightly less current than sleep
+// in sleep mode, IO state is maintained, RAM is retained, and application will resume after waking up
+// in deepsleep mode, IOs float, RAM is lost, and application will start from beginning after waking up
+// if deep_sleep == true, device will enter deepsleep mode
+static bool deep_sleep = false;
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    if (!dot->getStandbyFlag()) {
+        logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+        // start from a well-known state
+        logInfo("defaulting Dot configuration");
+        dot->resetConfig();
+        dot->resetNetworkSession();
+
+        // make sure library logging is turned on
+        dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+        // update configuration if necessary
+        if (dot->getJoinMode() != mDot::OTA) {
+            logInfo("changing network join mode to OTA");
+            if (dot->setJoinMode(mDot::OTA) != mDot::MDOT_OK) {
+                logError("failed to set network join mode to OTA");
+            }
+        }
+        // in OTA and AUTO_OTA join modes, the credentials can be passed to the library as a name and passphrase or an ID and KEY
+        // only one method or the other should be used!
+        // network ID = crc64(network name)
+        // network KEY = cmac(network passphrase)
+        update_ota_config_name_phrase(network_name, network_passphrase, frequency_sub_band, public_network, ack);
+        // update_ota_config_id_key(network_id, network_key, frequency_sub_band, public_network, ack);
+
+        // configure network link checks
+        // network link checks are a good alternative to requiring the gateway to ACK every packet and should allow a single gateway to handle more Dots
+        // check the link every count packets
+        // declare the Dot disconnected after threshold failed link checks
+        // for count = 3 and threshold = 5, the Dot will ask for a link check response every 5 packets and will consider the connection lost if it fails to receive 3 responses in a row
+        update_network_link_check_config(3, 5);
+
+        // enable or disable Adaptive Data Rate
+        dot->setAdr(adr);
+    
+        // save changes to configuration
+        logInfo("saving configuration");
+        if (!dot->saveConfig()) {
+            logError("failed to save configuration");
+        }
+
+        // display configuration
+        display_config();
+    } else {
+        // restore the saved session if the dot woke from deepsleep mode
+        // useful to use with deepsleep because session info is otherwise lost when the dot enters deepsleep
+        logInfo("restoring network session from NVM");
+        dot->restoreNetworkSession();
+    }
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+        // join network if not joined
+        if (!dot->getNetworkJoinStatus()) {
+            join_network();
+        }
+
+#if defined(TARGET_XDOT_L151CC)
+        // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+        lux.setMode(ISL29011::ALS_CONT);
+        lux.setResolution(ISL29011::ADC_16BIT);
+        lux.setRange(ISL29011::RNG_64000);
+
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+
+        // put the LSL29011 ambient light sensor into a low power state
+        lux.setMode(ISL29011::PWR_DOWN);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // if going into deepsleep mode, save the session so we don't need to join again after waking up
+        // not necessary if going into sleep mode since RAM is retained
+        if (deep_sleep) {
+            logInfo("saving network session to NVM");
+            dot->saveNetworkSession();
+        }
+
+        // ONLY ONE of the three functions below should be uncommented depending on the desired wakeup method
+        //sleep_wake_rtc_only(deep_sleep);
+        //sleep_wake_interrupt_only(deep_sleep);
+        sleep_wake_rtc_or_interrupt(deep_sleep);
+    }
+ 
+    return 0;
+}
+
+#endif

diff -r 000000000000 -r 34da43c761f8 examples/src/peer_to_peer_example.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/src/peer_to_peer_example.cpp	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,200 @@
+#include "dot_util.h"
+#include "RadioEvent.h"
+ 
+#if ACTIVE_EXAMPLE == PEER_TO_PEER_EXAMPLE
+
+/////////////////////////////////////////////////////////////////////////////
+// -------------------- DOT LIBRARY REQUIRED ------------------------------//
+// * Because these example programs can be used for both mDot and xDot     //
+//     devices, the LoRa stack is not included. The libmDot library should //
+//     be imported if building for mDot devices. The libxDot library       //
+//     should be imported if building for xDot devices.                    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/        //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/    //
+// * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/        //
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////
+// * these options must match between the two devices in   //
+//   order for communication to be successful
+/////////////////////////////////////////////////////////////
+static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 };
+static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
+static uint8_t data_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
+
+mDot* dot = NULL;
+lora::ChannelPlan* plan = NULL;
+
+Serial pc(USBTX, USBRX);
+
+#if defined(TARGET_XDOT_L151CC)
+I2C i2c(I2C_SDA, I2C_SCL);
+ISL29011 lux(i2c);
+#else
+AnalogIn lux(XBEE_AD0);
+#endif
+
+int main() {
+    // Custom event handler for automatically displaying RX data
+    RadioEvent events;
+    uint32_t tx_frequency;
+    uint8_t tx_datarate;
+    uint8_t tx_power;
+    uint8_t frequency_band;
+
+    pc.baud(115200);
+
+    mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
+    
+#if CHANNEL_PLAN == CP_US915
+    plan = new lora::ChannelPlan_US915();
+#elif CHANNEL_PLAN == CP_AU915
+    plan = new lora::ChannelPlan_AU915();
+#elif CHANNEL_PLAN == CP_EU868
+    plan = new lora::ChannelPlan_EU868();
+#elif CHANNEL_PLAN == CP_KR920
+    plan = new lora::ChannelPlan_KR920();
+#elif CHANNEL_PLAN == CP_AS923
+    plan = new lora::ChannelPlan_AS923();
+#elif CHANNEL_PLAN == CP_AS923_JAPAN
+    plan = new lora::ChannelPlan_AS923_Japan();
+#elif CHANNEL_PLAN == CP_IN865
+    plan = new lora::ChannelPlan_IN865();
+#endif
+    assert(plan);
+
+    dot = mDot::getInstance(plan);
+    assert(dot);
+
+    logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
+
+    // start from a well-known state
+    logInfo("defaulting Dot configuration");
+    dot->resetConfig();
+
+    // make sure library logging is turned on
+    dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
+
+    // attach the custom events handler
+    dot->setEvents(&events);
+
+    // update configuration if necessary
+    if (dot->getJoinMode() != mDot::PEER_TO_PEER) {
+        logInfo("changing network join mode to PEER_TO_PEER");
+        if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) {
+            logError("failed to set network join mode to PEER_TO_PEER");
+        }
+    }
+    frequency_band = dot->getFrequencyBand();
+    switch (frequency_band) {
+        case lora::ChannelPlan::EU868_OLD:
+        case lora::ChannelPlan::EU868:
+            // 250kHz channels achieve higher throughput
+            // DR_6 : SF7 @ 250kHz
+            // DR_0 - DR_5 (125kHz channels) available but much slower
+            tx_frequency = 869850000;
+            tx_datarate = lora::DR_6;
+            // the 869850000 frequency is 100% duty cycle if the total power is under 7 dBm - tx power 4 + antenna gain 3 = 7
+            tx_power = 4;
+            break;
+
+        case lora::ChannelPlan::US915_OLD:
+        case lora::ChannelPlan::US915:
+        case lora::ChannelPlan::AU915_OLD:
+        case lora::ChannelPlan::AU915:
+            // 500kHz channels achieve highest throughput
+            // DR_8 : SF12 @ 500kHz
+            // DR_9 : SF11 @ 500kHz
+            // DR_10 : SF10 @ 500kHz
+            // DR_11 : SF9 @ 500kHz
+            // DR_12 : SF8 @ 500kHz
+            // DR_13 : SF7 @ 500kHz
+            // DR_0 - DR_3 (125kHz channels) available but much slower
+            tx_frequency = 915500000;
+            tx_datarate = lora::DR_13;
+            // 915 bands have no duty cycle restrictions, set tx power to max
+            tx_power = 20;
+            break;
+
+        case lora::ChannelPlan::AS923:
+        case lora::ChannelPlan::AS923_JAPAN:
+            // 250kHz channels achieve higher throughput
+            // DR_6 : SF7 @ 250kHz
+            // DR_0 - DR_5 (125kHz channels) available but much slower
+            tx_frequency = 924800000;
+            tx_datarate = lora::DR_6;
+            tx_power = 16;
+            break;
+
+        case lora::ChannelPlan::KR920:
+            // DR_5 : SF7 @ 125kHz
+            tx_frequency = 922700000;
+            tx_datarate = lora::DR_5;
+            tx_power = 14;
+            break;
+
+        default:
+            while (true) {
+                logFatal("no known channel plan in use - extra configuration is needed!");
+                wait(5);
+            }
+            break;
+    }
+    // in PEER_TO_PEER mode there is no join request/response transaction
+    // as long as both Dots are configured correctly, they should be able to communicate
+    update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power);
+
+    // save changes to configuration
+    logInfo("saving configuration");
+    if (!dot->saveConfig()) {
+        logError("failed to save configuration");
+    }
+
+    // display configuration
+    display_config();
+
+#if defined(TARGET_XDOT_L151CC)
+    // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
+    lux.setMode(ISL29011::ALS_CONT);
+    lux.setResolution(ISL29011::ADC_16BIT);
+    lux.setRange(ISL29011::RNG_64000);
+#endif
+
+    while (true) {
+        uint16_t light;
+        std::vector<uint8_t> tx_data;
+
+        // join network if not joined
+        if (!dot->getNetworkJoinStatus()) {
+            join_network();
+        }
+
+#if defined(TARGET_XDOT_L151CC)
+        // get the latest light sample and send it to the gateway
+        light = lux.getData();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#else 
+        // get some dummy data and send it to the gateway
+        light = lux.read_u16();
+        tx_data.push_back((light >> 8) & 0xFF);
+        tx_data.push_back(light & 0xFF);
+        logInfo("light: %lu [0x%04X]", light, light);
+        send_data(tx_data);
+#endif
+
+        // the Dot can't sleep in PEER_TO_PEER mode
+        // it must be waiting for data from the other Dot
+        // send data every 5 seconds
+        logInfo("waiting for 5s");
+        wait(5);
+    }
+ 
+    return 0;
+}
+
+#endif
+

diff -r 000000000000 -r 34da43c761f8 libmDot-mbed5.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libmDot-mbed5.lib	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/MultiTech/code/libmDot-mbed5/#255e2ddc294e

diff -r 000000000000 -r 34da43c761f8 mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#fc1836545dcc2fc86f03b01292b62bf2089f67c3

diff -r 000000000000 -r 34da43c761f8 setup.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/setup.sh	Thu Feb 08 18:45:41 2018 +0000
@@ -0,0 +1,3 @@
+if [ ! -d ISL29011 ]; then
+    hg clone https://developer.mbed.org/teams/Multi-Hackers/code/ISL29011/
+fi