a Hello world to connect to The Things Network

Dependencies:   libmDot mbed-rtos mbed

Fork of mDot_LoRa_Connect_Example by MultiTech

Revision:
0:09250cd371d2
Child:
2:6e2c378339d9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 24 22:22:07 2015 +0000
@@ -0,0 +1,71 @@
+#include "mbed.h"
+#include "mDot.h"
+#include <string>
+#include <vector>
+
+// 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);
+
+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();
+
+    // 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());
+
+    // set up the mDot with our network information
+    printf("setting frequency sub band\r\n");
+    if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
+        log_error(dot, "failed to set frequency sub band", ret);
+    }
+    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);
+    }
+    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);
+    }
+
+    // attempt to join the network
+    printf("joining network\r\n");
+    while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
+        log_error(dot, "failed to join network", ret);
+        wait(2);
+    }
+
+    // format data for sending to the gateway
+    for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
+        data.push_back((uint8_t) *it);
+
+    while (true) {
+        // 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);
+        } else {
+            printf("successfully sent data to gateway\r\n");
+        }
+
+        wait(5);
+    }
+
+    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());
+}
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