a Hello world to connect to The Things Network

Dependencies:   libmDot mbed-rtos mbed

Fork of mDot_LoRa_Connect_Example by MultiTech

Revision:
2:6e2c378339d9
Parent:
0:09250cd371d2
Child:
4:36e214ebfa56
--- a/main.cpp	Tue Aug 18 15:37:05 2015 +0000
+++ b/main.cpp	Tue Aug 25 21:35:39 2015 +0000
@@ -2,48 +2,60 @@
 #include "mDot.h"
 #include <string>
 #include <vector>
+#include "MTSLog.h"
 
-// these options must match the settings on your Conduit in
-// /var/config/lora/lora-network-server.conf
-static std::string config_network_name = "<lora network id>";
-static std::string config_network_pass = "<lora network key>";
-static uint8_t config_frequency_sub_band = 1;
-
-void log_error(mDot* dot, const char* msg, int32_t retval);
+// 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 = "<lora network id>";
+//static std::string config_network_pass = "<lora network key>";
+//static uint8_t config_frequency_sub_band = 1;
 
 int main() {
     int32_t ret;
     mDot* dot;
     std::vector<uint8_t> data;
     std::string data_str = "hello world!";
-
+    
     // get a mDot handle
     dot = mDot::getInstance();
+    
+    // print library version information
+    logInfo("version: %s", dot->getId().c_str());
 
+    //*******************************************
+    // configuration
+    //*******************************************
     // reset to default config so we know what state we're in
     dot->resetConfig();
     
-    // print library version information
-    printf("version: %s\r\n", dot->getId().c_str());
+    dot->setLogLevel(mts::MTSLog::TRACE_LEVEL);
 
-    // set up the mDot with our network information
-    printf("setting frequency sub band\r\n");
+    // 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()
+    logInfo("setting frequency sub band");
     if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
-        log_error(dot, "failed to set frequency sub band", ret);
+        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());
     }
-    printf("setting network name\r\n");
-    if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
-        log_error(dot, "failed to set network name", ret);
+    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());
     }
-    printf("setting network password\r\n");
-    if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
-        log_error(dot, "failed to set network password", ret);
+    logInfo("saving config");
+    if (! dot->saveConfig()) {
+        logError("failed to save configuration");
     }
+    //*******************************************
+    // end of configuration
+    //*******************************************
 
     // attempt to join the network
-    printf("joining network\r\n");
+    logInfo("joining network");
     while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
-        log_error(dot, "failed to join network", ret);
+        logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
         wait(2);
     }
 
@@ -55,9 +67,9 @@
         // send the data
         // ACKs are enabled by default, so we're expecting to get one back
         if ((ret = dot->send(data)) != mDot::MDOT_OK) {
-            log_error(dot, "failed to send", ret);
+            logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
         } else {
-            printf("successfully sent data to gateway\r\n");
+            logInfo("successfully sent data to gateway");
         }
 
         wait(5);
@@ -65,7 +77,3 @@
 
     return 0;
 }
-
-void log_error(mDot* dot, const char* msg, int32_t retval) {
-    printf("%s - %ld:%s, %s\r\n", msg, retval, mDot::getReturnCodeString(retval).c_str(), dot->getLastError().c_str());
-}
\ No newline at end of file