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 MultiTech

Committer:
johanstokking
Date:
Wed Apr 06 00:10:30 2016 +0000
Revision:
13:6ce90b84a3fe
Parent:
12:343229a12653
Switched to ABP

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 4:36e214ebfa56 3 #include "MTSLog.h"
mfiore 0:09250cd371d2 4 #include <string>
mfiore 0:09250cd371d2 5 #include <vector>
mfiore 4:36e214ebfa56 6 #include <algorithm>
mfiore 0:09250cd371d2 7
johanstokking 13:6ce90b84a3fe 8 static uint8_t config_network_addr[] = { 0x01, 0x02, 0x03, 0x04 };
johanstokking 13:6ce90b84a3fe 9 static uint8_t config_network_nskey[] = {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
johanstokking 13:6ce90b84a3fe 10 static uint8_t config_network_dskey[] = {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
johanstokking 8:308a67b71c86 11 static uint8_t config_frequency_sub_band = 7;
mfiore 0:09250cd371d2 12
johanstokking 9:d589fb5e68a4 13 mDot* dot;
johanstokking 9:d589fb5e68a4 14
johanstokking 10:5332d0939ebe 15 void setupNetwork();
johanstokking 10:5332d0939ebe 16
mfiore 0:09250cd371d2 17 int main() {
johanstokking 12:343229a12653 18 // Set up the network
johanstokking 9:d589fb5e68a4 19 setupNetwork();
johanstokking 9:d589fb5e68a4 20
johanstokking 12:343229a12653 21 // Message you want to send
johanstokking 9:d589fb5e68a4 22 std::string data_str = "Hello!";
johanstokking 9:d589fb5e68a4 23
johanstokking 12:343229a12653 24 // Copy the message in an array of bytes
johanstokking 9:d589fb5e68a4 25 std::vector<uint8_t> data;
johanstokking 9:d589fb5e68a4 26 for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
johanstokking 9:d589fb5e68a4 27 data.push_back((uint8_t) *it);
johanstokking 10:5332d0939ebe 28
johanstokking 12:343229a12653 29 // Start the loop
johanstokking 10:5332d0939ebe 30 int32_t ret;
johanstokking 9:d589fb5e68a4 31 while (true) {
johanstokking 12:343229a12653 32 // Send the data
johanstokking 9:d589fb5e68a4 33 if ((ret = dot->send(data)) != mDot::MDOT_OK) {
johanstokking 12:343229a12653 34 // Oops, there was an error, check the debug screen
johanstokking 10:5332d0939ebe 35 logError("Failed to send", ret, mDot::getReturnCodeString(ret).c_str());
johanstokking 9:d589fb5e68a4 36 } else {
johanstokking 12:343229a12653 37 // Sent the data
johanstokking 10:5332d0939ebe 38 logInfo("Successfully sent data");
johanstokking 9:d589fb5e68a4 39 }
johanstokking 10:5332d0939ebe 40
johanstokking 12:343229a12653 41 // Wait 5 seconds
johanstokking 12:343229a12653 42 osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
johanstokking 9:d589fb5e68a4 43 }
johanstokking 9:d589fb5e68a4 44
johanstokking 9:d589fb5e68a4 45 return 0;
johanstokking 9:d589fb5e68a4 46 }
johanstokking 9:d589fb5e68a4 47
johanstokking 9:d589fb5e68a4 48 void setupNetwork() {
mfiore 0:09250cd371d2 49 int32_t ret;
johanstokking 9:d589fb5e68a4 50
mfiore 0:09250cd371d2 51 // get a mDot handle
mfiore 0:09250cd371d2 52 dot = mDot::getInstance();
mfiore 2:6e2c378339d9 53
mfiore 2:6e2c378339d9 54 // print library version information
johanstokking 10:5332d0939ebe 55 logInfo("Version: %s", dot->getId().c_str());
mfiore 0:09250cd371d2 56
mfiore 0:09250cd371d2 57 // reset to default config so we know what state we're in
mfiore 0:09250cd371d2 58 dot->resetConfig();
mfiore 0:09250cd371d2 59
mfiore 4:36e214ebfa56 60 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
mfiore 0:09250cd371d2 61
johanstokking 13:6ce90b84a3fe 62 dot->setJoinMode(mDot::MANUAL);
johanstokking 13:6ce90b84a3fe 63
mfiore 2:6e2c378339d9 64 // set up the mDot with our network information: frequency sub band, network name, and network password
mfiore 2:6e2c378339d9 65 // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
mfiore 4:36e214ebfa56 66
mfiore 4:36e214ebfa56 67 // frequency sub band is only applicable in the 915 (US) frequency band
johanstokking 10:5332d0939ebe 68 logInfo("Setting frequency sub band");
mfiore 0:09250cd371d2 69 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
johanstokking 10:5332d0939ebe 70 logError("Failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 2:6e2c378339d9 71 }
mfiore 4:36e214ebfa56 72
jreiss 5:6b988a804fcb 73 std::vector<uint8_t> temp;
jreiss 5:6b988a804fcb 74
johanstokking 8:308a67b71c86 75 if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
johanstokking 10:5332d0939ebe 76 logError("Failed to enable public network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
johanstokking 8:308a67b71c86 77 }
johanstokking 13:6ce90b84a3fe 78
johanstokking 13:6ce90b84a3fe 79 for (int i = 0; i < 4; i++) {
johanstokking 13:6ce90b84a3fe 80 temp.push_back(config_network_addr[i]);
johanstokking 13:6ce90b84a3fe 81 }
johanstokking 13:6ce90b84a3fe 82
johanstokking 13:6ce90b84a3fe 83 logInfo("setting network addr");
johanstokking 13:6ce90b84a3fe 84 if ((ret = dot->setNetworkAddress(temp)) != mDot::MDOT_OK) {
johanstokking 13:6ce90b84a3fe 85 logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 0:09250cd371d2 86 }
mfiore 4:36e214ebfa56 87
jreiss 5:6b988a804fcb 88 temp.clear();
jreiss 5:6b988a804fcb 89 for (int i = 0; i < 16; i++) {
johanstokking 13:6ce90b84a3fe 90 temp.push_back(config_network_nskey[i]);
johanstokking 13:6ce90b84a3fe 91 }
johanstokking 13:6ce90b84a3fe 92
johanstokking 13:6ce90b84a3fe 93 logInfo("setting network password");
johanstokking 13:6ce90b84a3fe 94 if ((ret = dot->setNetworkSessionKey(temp)) != mDot::MDOT_OK) {
johanstokking 13:6ce90b84a3fe 95 logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
jreiss 5:6b988a804fcb 96 }
jreiss 5:6b988a804fcb 97
johanstokking 13:6ce90b84a3fe 98 temp.clear();
johanstokking 13:6ce90b84a3fe 99 for (int i = 0; i < 16; i++) {
johanstokking 13:6ce90b84a3fe 100 temp.push_back(config_network_dskey[i]);
johanstokking 13:6ce90b84a3fe 101 }
johanstokking 13:6ce90b84a3fe 102
johanstokking 13:6ce90b84a3fe 103 logInfo("setting network password");
johanstokking 13:6ce90b84a3fe 104 if ((ret = dot->setDataSessionKey(temp)) != mDot::MDOT_OK) {
johanstokking 13:6ce90b84a3fe 105 logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 0:09250cd371d2 106 }
mfiore 4:36e214ebfa56 107
mfiore 4:36e214ebfa56 108 // a higher spreading factor allows for longer range but lower throughput
mfiore 4:36e214ebfa56 109 // in the 915 (US) frequency band, spreading factors 7 - 10 are available
mfiore 4:36e214ebfa56 110 // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
johanstokking 10:5332d0939ebe 111 logInfo("Setting TX spreading factor");
johanstokking 9:d589fb5e68a4 112 if ((ret = dot->setTxDataRate(mDot::SF_8)) != mDot::MDOT_OK) {
johanstokking 10:5332d0939ebe 113 logError("Failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 4:36e214ebfa56 114 }
mfiore 4:36e214ebfa56 115
mfiore 4:36e214ebfa56 116 // request receive confirmation of packets from the gateway
johanstokking 13:6ce90b84a3fe 117 logInfo("Disabling ACKs");
johanstokking 13:6ce90b84a3fe 118 if ((ret = dot->setAck(0)) != mDot::MDOT_OK) {
johanstokking 10:5332d0939ebe 119 logError("Failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
mfiore 4:36e214ebfa56 120 }
mfiore 4:36e214ebfa56 121
mfiore 4:36e214ebfa56 122 // save this configuration to the mDot's NVM
johanstokking 10:5332d0939ebe 123 logInfo("Saving config");
mfiore 2:6e2c378339d9 124 if (! dot->saveConfig()) {
johanstokking 10:5332d0939ebe 125 logError("Failed to save configuration");
mfiore 0:09250cd371d2 126 }
mfiore 0:09250cd371d2 127
mfiore 0:09250cd371d2 128 // attempt to join the network
johanstokking 13:6ce90b84a3fe 129 //logInfo("Joining network");
johanstokking 13:6ce90b84a3fe 130 // while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
johanstokking 13:6ce90b84a3fe 131 // logError("Failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
johanstokking 13:6ce90b84a3fe 132 // // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
johanstokking 13:6ce90b84a3fe 133 // osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
johanstokking 13:6ce90b84a3fe 134 // }
johanstokking 9:d589fb5e68a4 135 }