bruno rovagnati / Mbed 2 deprecated mDot_LoRa_example_TTN_connect

a Hello world to connect to The Things Network

Dependencies:   libmDot mbed-rtos mbed

Fork of mDot_LoRa_Connect_Example by MultiTech

main.cpp@0:09250cd371d2, 2015-06-24 (annotated)

Committer:
mfiore
Date:
Wed Jun 24 22:22:07 2015 +0000
Revision:
0:09250cd371d2
Child:
2:6e2c378339d9
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfiore 0:09250cd371d2 1 #include "mbed.h"
mfiore 0:09250cd371d2 2 #include "mDot.h"
mfiore 0:09250cd371d2 3 #include <string>
mfiore 0:09250cd371d2 4 #include <vector>
mfiore 0:09250cd371d2 5
mfiore 0:09250cd371d2 6 // these options must match the settings on your Conduit in
mfiore 0:09250cd371d2 7 // /var/config/lora/lora-network-server.conf
mfiore 0:09250cd371d2 8 static std::string config_network_name = "<lora network id>";
mfiore 0:09250cd371d2 9 static std::string config_network_pass = "<lora network key>";
mfiore 0:09250cd371d2 10 static uint8_t config_frequency_sub_band = 1;
mfiore 0:09250cd371d2 11
mfiore 0:09250cd371d2 12 void log_error(mDot* dot, const char* msg, int32_t retval);
mfiore 0:09250cd371d2 13
mfiore 0:09250cd371d2 14 int main() {
mfiore 0:09250cd371d2 15 int32_t ret;
mfiore 0:09250cd371d2 16 mDot* dot;
mfiore 0:09250cd371d2 17 std::vector<uint8_t> data;
mfiore 0:09250cd371d2 18 std::string data_str = "hello world!";
mfiore 0:09250cd371d2 19
mfiore 0:09250cd371d2 20 // get a mDot handle
mfiore 0:09250cd371d2 21 dot = mDot::getInstance();
mfiore 0:09250cd371d2 22
mfiore 0:09250cd371d2 23 // reset to default config so we know what state we're in
mfiore 0:09250cd371d2 24 dot->resetConfig();
mfiore 0:09250cd371d2 25
mfiore 0:09250cd371d2 26 // print library version information
mfiore 0:09250cd371d2 27 printf("version: %s\r\n", dot->getId().c_str());
mfiore 0:09250cd371d2 28
mfiore 0:09250cd371d2 29 // set up the mDot with our network information
mfiore 0:09250cd371d2 30 printf("setting frequency sub band\r\n");
mfiore 0:09250cd371d2 31 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
mfiore 0:09250cd371d2 32 log_error(dot, "failed to set frequency sub band", ret);
mfiore 0:09250cd371d2 33 }
mfiore 0:09250cd371d2 34 printf("setting network name\r\n");
mfiore 0:09250cd371d2 35 if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
mfiore 0:09250cd371d2 36 log_error(dot, "failed to set network name", ret);
mfiore 0:09250cd371d2 37 }
mfiore 0:09250cd371d2 38 printf("setting network password\r\n");
mfiore 0:09250cd371d2 39 if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
mfiore 0:09250cd371d2 40 log_error(dot, "failed to set network password", ret);
mfiore 0:09250cd371d2 41 }
mfiore 0:09250cd371d2 42
mfiore 0:09250cd371d2 43 // attempt to join the network
mfiore 0:09250cd371d2 44 printf("joining network\r\n");
mfiore 0:09250cd371d2 45 while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
mfiore 0:09250cd371d2 46 log_error(dot, "failed to join network", ret);
mfiore 0:09250cd371d2 47 wait(2);
mfiore 0:09250cd371d2 48 }
mfiore 0:09250cd371d2 49
mfiore 0:09250cd371d2 50 // format data for sending to the gateway
mfiore 0:09250cd371d2 51 for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
mfiore 0:09250cd371d2 52 data.push_back((uint8_t) *it);
mfiore 0:09250cd371d2 53
mfiore 0:09250cd371d2 54 while (true) {
mfiore 0:09250cd371d2 55 // send the data
mfiore 0:09250cd371d2 56 // ACKs are enabled by default, so we're expecting to get one back
mfiore 0:09250cd371d2 57 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
mfiore 0:09250cd371d2 58 log_error(dot, "failed to send", ret);
mfiore 0:09250cd371d2 59 } else {
mfiore 0:09250cd371d2 60 printf("successfully sent data to gateway\r\n");
mfiore 0:09250cd371d2 61 }
mfiore 0:09250cd371d2 62
mfiore 0:09250cd371d2 63 wait(5);
mfiore 0:09250cd371d2 64 }
mfiore 0:09250cd371d2 65
mfiore 0:09250cd371d2 66 return 0;
mfiore 0:09250cd371d2 67 }
mfiore 0:09250cd371d2 68
mfiore 0:09250cd371d2 69 void log_error(mDot* dot, const char* msg, int32_t retval) {
mfiore 0:09250cd371d2 70 printf("%s - %ld:%s, %s\r\n", msg, retval, mDot::getReturnCodeString(retval).c_str(), dot->getLastError().c_str());
mfiore 0:09250cd371d2 71 }