Multitech xDot Utils

Files at this revision

API Documentation at this revision

Comitter:
Lucian Corduneanu
Date:
Mon Sep 17 12:47:16 2018 +0300
Parent:
5:9eedfec35eed
Commit message:
IEM-423 Add OTA and data rate support from config.h

Changed in this revision

MultitechDot.cpp Show annotated file Show diff for this revision Revisions of this file
MultitechDot.h Show annotated file Show diff for this revision Revisions of this file
dot_defs.h Show annotated file Show diff for this revision Revisions of this file
diff -r 9eedfec35eed -r febbdd0d0e55 MultitechDot.cpp
--- a/MultitechDot.cpp	Sun Jul 22 12:42:09 2018 +0300
+++ b/MultitechDot.cpp	Mon Sep 17 12:47:16 2018 +0300
@@ -6,6 +6,9 @@
     using namespace lora;
 
     ChannelPlan *plan = new ChannelPlan_EU868();
+    plan->SetNumberOfChannels(1);
+    plan->SetTxChannel(0);
+
     MultitechDot *dot = (MultitechDot *) mDot::getInstance(plan);
 
     dot->config(config);
@@ -17,9 +20,20 @@
     _config = config;
 
     this->setLogLevel(config->log_level);
-    this->setDisableDutyCycle(config->disable_duty_cycle);
 
-    logInfo("Start configuring the device");
+    if(config->join_mode == mDot::MANUAL) {
+        _manual_config();
+    } else if (config->join_mode == mDot::OTA) {
+        _ota_config();
+    }
+}
+
+struct dot_config *MultitechDot::get_config() {
+    return _config;
+}
+
+void MultitechDot::_manual_config() {
+    logInfo("MANUAL config");
     if (!this->getStandbyFlag()) {
         logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
 
@@ -28,6 +42,9 @@
         this->resetConfig();
         this->resetNetworkSession();
 
+        this->setDisableDutyCycle(_config->disable_duty_cycle);
+        this->setTxDataRate(_config->data_rate);
+
         // update configuration if necessary
         if (this->getJoinMode() != this->MANUAL) {
             logInfo("changing network join mode to MANUAL");
@@ -46,10 +63,20 @@
         //      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
-        this->update_manual_config(config);
+        BaseDot::update_manual_config(
+                _config->network_address,
+                _config->network_session_key,
+                _config->data_session_key,
+                _config->frequency_sub_band,
+                _config->public_network,
+                _config->ack
+        );
 
         // enable or disable Adaptive Data Rate
-        this->setAdr(config->adr);
+        this->setAdr(_config->adr);
+
+        // Configure the join delay
+        this->setJoinDelay(_config->join_delay);
 
         // save changes to configuration
         logInfo("saving configuration");
@@ -67,20 +94,70 @@
     }
 }
 
-struct dot_config *MultitechDot::get_config() {
-    return _config;
-}
+
+void MultitechDot::_ota_config() {
+    logInfo("OTA config");
+    if (!this->getStandbyFlag()) {
+        logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
 
+        // start from a well-known state
+        logInfo("defaulting Dot configuration");
+        this->resetConfig();
+        this->resetNetworkSession();
+
+        this->setDisableDutyCycle(_config->disable_duty_cycle);
+        this->setTxDataRate(_config->data_rate);
+
+        // make sure library logging is turned on
+        this->setLogLevel(mts::MTSLog::INFO_LEVEL);
 
-void MultitechDot::update_manual_config(struct dot_config *config) {
-    BaseDot::update_manual_config(
-            config->network_address,
-            config->network_session_key,
-            config->data_session_key,
-            config->frequency_sub_band,
-            config->public_network,
-            config->ack
-    );
+        // update configuration if necessary
+        if (this->getJoinMode() != mDot::OTA) {
+            logInfo("changing network join mode to OTA");
+            if (this->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)
+        BaseDot::update_ota_config_id_key(
+                _config->network_id,
+                _config->network_key,
+                _config->frequency_sub_band,
+                _config->public_network,
+                _config->ack
+        );
+        //update_ota_config_id_key(network_id, network_key, frequency_sub_band, network_type, 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
+        this->setAdr(_config->adr);
+
+        // Configure the join delay
+        this->setJoinDelay(_config->join_delay);
+
+        // save changes to configuration
+        logInfo("saving configuration");
+        if (!this->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");
+        this->restoreNetworkSession();
+    }
 }
 
 void MultitechDot::sleep_wake_rtc_or_interrupt(uint32_t delay_s, bool deepsleep) {
diff -r 9eedfec35eed -r febbdd0d0e55 MultitechDot.h
--- a/MultitechDot.h	Sun Jul 22 12:42:09 2018 +0300
+++ b/MultitechDot.h	Mon Sep 17 12:47:16 2018 +0300
@@ -12,14 +12,16 @@
 
     struct dot_config *get_config();
 
-    void update_manual_config(struct dot_config *config);
-
     void sleep_wake_rtc_or_interrupt(uint32_t delay_s, bool deepsleep);
 
     void sleep_reset_hsi();
 
 protected:
     struct dot_config *_config;
+
+    void _manual_config();
+
+    void _ota_config();
 };
 
 
diff -r 9eedfec35eed -r febbdd0d0e55 dot_defs.h
--- a/dot_defs.h	Sun Jul 22 12:42:09 2018 +0300
+++ b/dot_defs.h	Mon Sep 17 12:47:16 2018 +0300
@@ -1,24 +1,42 @@
 #ifndef MBED_MULTITECHDOT_DOT_DEFS_H
 #define MBED_MULTITECHDOT_DOT_DEFS_H
 
+#include "mDot.h"
 #include "MTSLog.h"
 
 struct dot_config {
     /**
-     * DevAddr, 4 bytes.
+     * Join Mode
+     */
+     mDot::JoinMode join_mode;
+
+    /**
+     * DevAddr, 4 bytes, for MANUAL (ABP) join mode.
      */
     uint8_t network_address[4];
 
     /**
-     * NwkSKey, 16 bytes
+     * NwkSKey, 16 bytes, for MANUAL (ABP) join mode.
      */
     uint8_t network_session_key[16];
 
     /**
-     *  AppSKey, 16 bytes
+     *  AppSKey, 16 bytes, for MANUAL (ABP) join mode.
      */
     uint8_t data_session_key[16];
 
+    /**
+     *  AppEUI or Network ID, 16 bytes, for OTA join mode.
+     */
+    uint8_t network_id[16];
+
+    /**
+     *  AppKey or Network Key, 16 bytes, for OTA join mode.
+     */
+    uint8_t network_key[16];
+
+    uint8_t join_delay;
+
     uint8_t frequency_sub_band;
 
     bool public_network;
@@ -28,6 +46,8 @@
      */
     uint8_t ack;
 
+    mDot::DataRates data_rate;
+
     /**
      * Enable Adaptive Data Rate
      */