Start project of The Things Network workshop with the MultiTech mDot
Dependencies: libmDot mbed-rtos mbed
Fork of mDot_LoRa_Connect_Example_APP_EUI_KEY by
main.cpp
- Committer:
- johanstokking
- Date:
- 2016-04-06
- Revision:
- 13:6ce90b84a3fe
- Parent:
- 12:343229a12653
File content as of revision 13:6ce90b84a3fe:
#include "mbed.h"
#include "mDot.h"
#include "MTSLog.h"
#include <string>
#include <vector>
#include <algorithm>
static uint8_t config_network_addr[] = { 0x01, 0x02, 0x03, 0x04 };
static uint8_t config_network_nskey[] = {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
static uint8_t config_network_dskey[] = {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
static uint8_t config_frequency_sub_band = 7;
mDot* dot;
void setupNetwork();
int main() {
// Set up the network
setupNetwork();
// Message you want to send
std::string data_str = "Hello!";
// Copy the message in an array of bytes
std::vector<uint8_t> data;
for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
data.push_back((uint8_t) *it);
// Start the loop
int32_t ret;
while (true) {
// Send the data
if ((ret = dot->send(data)) != mDot::MDOT_OK) {
// Oops, there was an error, check the debug screen
logError("Failed to send", ret, mDot::getReturnCodeString(ret).c_str());
} else {
// Sent the data
logInfo("Successfully sent data");
}
// Wait 5 seconds
osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
}
return 0;
}
void setupNetwork() {
int32_t ret;
// get a mDot handle
dot = mDot::getInstance();
// print library version information
logInfo("Version: %s", dot->getId().c_str());
// reset to default config so we know what state we're in
dot->resetConfig();
dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
dot->setJoinMode(mDot::MANUAL);
// 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()
// frequency sub band is only applicable in the 915 (US) frequency band
logInfo("Setting frequency sub band");
if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
logError("Failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
std::vector<uint8_t> temp;
if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
logError("Failed to enable public network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
for (int i = 0; i < 4; i++) {
temp.push_back(config_network_addr[i]);
}
logInfo("setting network addr");
if ((ret = dot->setNetworkAddress(temp)) != mDot::MDOT_OK) {
logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
temp.clear();
for (int i = 0; i < 16; i++) {
temp.push_back(config_network_nskey[i]);
}
logInfo("setting network password");
if ((ret = dot->setNetworkSessionKey(temp)) != mDot::MDOT_OK) {
logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
temp.clear();
for (int i = 0; i < 16; i++) {
temp.push_back(config_network_dskey[i]);
}
logInfo("setting network password");
if ((ret = dot->setDataSessionKey(temp)) != mDot::MDOT_OK) {
logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// a higher spreading factor allows for longer range but lower throughput
// in the 915 (US) frequency band, spreading factors 7 - 10 are available
// in the 868 (EU) frequency band, spreading factors 7 - 12 are available
logInfo("Setting TX spreading factor");
if ((ret = dot->setTxDataRate(mDot::SF_8)) != mDot::MDOT_OK) {
logError("Failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// request receive confirmation of packets from the gateway
logInfo("Disabling ACKs");
if ((ret = dot->setAck(0)) != mDot::MDOT_OK) {
logError("Failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// save this configuration to the mDot's NVM
logInfo("Saving config");
if (! dot->saveConfig()) {
logError("Failed to save configuration");
}
// attempt to join the network
//logInfo("Joining network");
// while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
// logError("Failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
// // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
// osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
// }
}
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