BIN WANG / lora_miun

Handle LoRa Basic Function

Dependents:   lora_example_miun

Lora.cpp@0:f8af47d9f0cd, 2017-03-08 (annotated)

Committer:
biwa1400
Date:
Wed Mar 08 18:54:32 2017 +0000
Revision:
0:f8af47d9f0cd
20170308

Who changed what in which revision?

UserRevisionLine numberNew contents of line
biwa1400 0:f8af47d9f0cd 1 #include "Lora.h"
biwa1400 0:f8af47d9f0cd 2 #include "mbed.h"
biwa1400 0:f8af47d9f0cd 3 #include "mDot.h"
biwa1400 0:f8af47d9f0cd 4 #include "MTSLog.h"
biwa1400 0:f8af47d9f0cd 5 #include <string>
biwa1400 0:f8af47d9f0cd 6 #include <vector>
biwa1400 0:f8af47d9f0cd 7
biwa1400 0:f8af47d9f0cd 8 Lora::Lora()
biwa1400 0:f8af47d9f0cd 9 {
biwa1400 0:f8af47d9f0cd 10 // get a mDot handle
biwa1400 0:f8af47d9f0cd 11 dot = mDot::getInstance();
biwa1400 0:f8af47d9f0cd 12 logInfo("version: %s", dot->getId().c_str());
biwa1400 0:f8af47d9f0cd 13 //joinNetwork();
biwa1400 0:f8af47d9f0cd 14 }
biwa1400 0:f8af47d9f0cd 15
biwa1400 0:f8af47d9f0cd 16
biwa1400 0:f8af47d9f0cd 17
biwa1400 0:f8af47d9f0cd 18 bool Lora::setting(string config_network_name, string config_network_pass,uint8_t config_frequency_sub_band,uint8_t config_ACK)
biwa1400 0:f8af47d9f0cd 19 {
biwa1400 0:f8af47d9f0cd 20 int32_t ret;
biwa1400 0:f8af47d9f0cd 21 bool state = true;
biwa1400 0:f8af47d9f0cd 22 //*******************************************
biwa1400 0:f8af47d9f0cd 23 // configuration
biwa1400 0:f8af47d9f0cd 24 //*******************************************
biwa1400 0:f8af47d9f0cd 25 // reset to default config so we know what state we're in
biwa1400 0:f8af47d9f0cd 26 dot->resetConfig();
biwa1400 0:f8af47d9f0cd 27
biwa1400 0:f8af47d9f0cd 28 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
biwa1400 0:f8af47d9f0cd 29
biwa1400 0:f8af47d9f0cd 30 // set up the mDot with our network information: frequency sub band, network name, and network password
biwa1400 0:f8af47d9f0cd 31 // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
biwa1400 0:f8af47d9f0cd 32
biwa1400 0:f8af47d9f0cd 33 // frequency sub band is only applicable in the 915 (US) frequency band
biwa1400 0:f8af47d9f0cd 34 // if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
biwa1400 0:f8af47d9f0cd 35 // if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
biwa1400 0:f8af47d9f0cd 36
biwa1400 0:f8af47d9f0cd 37 logInfo("setting frequency sub band");
biwa1400 0:f8af47d9f0cd 38 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 39 {
biwa1400 0:f8af47d9f0cd 40 logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 41 state = false;
biwa1400 0:f8af47d9f0cd 42 }
biwa1400 0:f8af47d9f0cd 43
biwa1400 0:f8af47d9f0cd 44 logInfo("setting network name");
biwa1400 0:f8af47d9f0cd 45 if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 46 {
biwa1400 0:f8af47d9f0cd 47 logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 48 state = false;
biwa1400 0:f8af47d9f0cd 49 }
biwa1400 0:f8af47d9f0cd 50
biwa1400 0:f8af47d9f0cd 51 logInfo("setting network password");
biwa1400 0:f8af47d9f0cd 52 if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 53 {
biwa1400 0:f8af47d9f0cd 54 logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 55 state = false;
biwa1400 0:f8af47d9f0cd 56 }
biwa1400 0:f8af47d9f0cd 57
biwa1400 0:f8af47d9f0cd 58 // a higher spreading factor allows for longer range but lower throughput
biwa1400 0:f8af47d9f0cd 59 // in the 915 (US) frequency band, spreading factors 7 - 10 are available
biwa1400 0:f8af47d9f0cd 60 // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
biwa1400 0:f8af47d9f0cd 61 logInfo("setting TX spreading factor");
biwa1400 0:f8af47d9f0cd 62 if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 63 {
biwa1400 0:f8af47d9f0cd 64 logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 65 state = false;
biwa1400 0:f8af47d9f0cd 66 }
biwa1400 0:f8af47d9f0cd 67
biwa1400 0:f8af47d9f0cd 68 // request receive confirmation of packets from the gateway
biwa1400 0:f8af47d9f0cd 69 logInfo("enabling ACKs");
biwa1400 0:f8af47d9f0cd 70 if ((ret = dot->setAck(config_ACK)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 71 {
biwa1400 0:f8af47d9f0cd 72 logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 73 state = false;
biwa1400 0:f8af47d9f0cd 74 }
biwa1400 0:f8af47d9f0cd 75
biwa1400 0:f8af47d9f0cd 76 // set join mode to AUTO_OTA so the mDot doesn't have to rejoin after sleeping
biwa1400 0:f8af47d9f0cd 77 logInfo("setting join mode to AUTO_OTA");
biwa1400 0:f8af47d9f0cd 78 if ((ret = dot->setJoinMode(mDot::AUTO_OTA)) != mDot::MDOT_OK) {
biwa1400 0:f8af47d9f0cd 79 logError("failed to set join mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 80 }
biwa1400 0:f8af47d9f0cd 81
biwa1400 0:f8af47d9f0cd 82 // save this configuration to the mDot's NVM
biwa1400 0:f8af47d9f0cd 83 logInfo("saving config");
biwa1400 0:f8af47d9f0cd 84 if (! dot->saveConfig())
biwa1400 0:f8af47d9f0cd 85 {
biwa1400 0:f8af47d9f0cd 86 logError("failed to save configuration");
biwa1400 0:f8af47d9f0cd 87 state = false;
biwa1400 0:f8af47d9f0cd 88 }
biwa1400 0:f8af47d9f0cd 89 //*******************************************
biwa1400 0:f8af47d9f0cd 90 // end of configuration
biwa1400 0:f8af47d9f0cd 91 //*******************************************
biwa1400 0:f8af47d9f0cd 92 return state;
biwa1400 0:f8af47d9f0cd 93 }
biwa1400 0:f8af47d9f0cd 94
biwa1400 0:f8af47d9f0cd 95 bool Lora::joinNetwork()
biwa1400 0:f8af47d9f0cd 96 {
biwa1400 0:f8af47d9f0cd 97 int32_t ret;
biwa1400 0:f8af47d9f0cd 98 // attempt to join the network
biwa1400 0:f8af47d9f0cd 99 if (!dot->getNetworkJoinStatus())
biwa1400 0:f8af47d9f0cd 100 {
biwa1400 0:f8af47d9f0cd 101 logInfo("joining network");
biwa1400 0:f8af47d9f0cd 102 while ((ret = dot->joinNetwork()) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 103 {
biwa1400 0:f8af47d9f0cd 104 logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 105 // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
biwa1400 0:f8af47d9f0cd 106 osDelay((uint32_t)dot->getNextTxMs());
biwa1400 0:f8af47d9f0cd 107 }
biwa1400 0:f8af47d9f0cd 108 }
biwa1400 0:f8af47d9f0cd 109
biwa1400 0:f8af47d9f0cd 110 return true;
biwa1400 0:f8af47d9f0cd 111 }
biwa1400 0:f8af47d9f0cd 112
biwa1400 0:f8af47d9f0cd 113 bool Lora::sendData_vector(const std::vector<uint8_t>& data)
biwa1400 0:f8af47d9f0cd 114 {
biwa1400 0:f8af47d9f0cd 115 int32_t ret;
biwa1400 0:f8af47d9f0cd 116 if ((ret = dot->send(data)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 117 {
biwa1400 0:f8af47d9f0cd 118 logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 119 return false;
biwa1400 0:f8af47d9f0cd 120 }
biwa1400 0:f8af47d9f0cd 121 else
biwa1400 0:f8af47d9f0cd 122 {
biwa1400 0:f8af47d9f0cd 123 logInfo("successfully sent data to gateway");
biwa1400 0:f8af47d9f0cd 124 return true;
biwa1400 0:f8af47d9f0cd 125 }
biwa1400 0:f8af47d9f0cd 126 }
biwa1400 0:f8af47d9f0cd 127
biwa1400 0:f8af47d9f0cd 128 bool Lora::sendData_string(std::string& input_data)
biwa1400 0:f8af47d9f0cd 129 {
biwa1400 0:f8af47d9f0cd 130 int32_t ret;
biwa1400 0:f8af47d9f0cd 131 vector<uint8_t> sent_data;
biwa1400 0:f8af47d9f0cd 132 for (std::string::iterator it = input_data.begin(); it != input_data.end(); it++)
biwa1400 0:f8af47d9f0cd 133 {
biwa1400 0:f8af47d9f0cd 134 sent_data.push_back((uint8_t) *it);
biwa1400 0:f8af47d9f0cd 135 }
biwa1400 0:f8af47d9f0cd 136
biwa1400 0:f8af47d9f0cd 137 if ((ret = dot->send(sent_data)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 138 {
biwa1400 0:f8af47d9f0cd 139 logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 140 }
biwa1400 0:f8af47d9f0cd 141 else
biwa1400 0:f8af47d9f0cd 142 {
biwa1400 0:f8af47d9f0cd 143 logInfo("successfully sent data to gateway");
biwa1400 0:f8af47d9f0cd 144 }
biwa1400 0:f8af47d9f0cd 145 return true;
biwa1400 0:f8af47d9f0cd 146
biwa1400 0:f8af47d9f0cd 147 }
biwa1400 0:f8af47d9f0cd 148
biwa1400 0:f8af47d9f0cd 149 bool Lora::receiveData_string(std::string& output_data)
biwa1400 0:f8af47d9f0cd 150 {
biwa1400 0:f8af47d9f0cd 151 int32_t ret;
biwa1400 0:f8af47d9f0cd 152 vector<uint8_t> receive_data;
biwa1400 0:f8af47d9f0cd 153 if ((ret = dot->recv(receive_data)) != mDot::MDOT_OK)
biwa1400 0:f8af47d9f0cd 154 {
biwa1400 0:f8af47d9f0cd 155 logError("failed to recv: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
biwa1400 0:f8af47d9f0cd 156 return false;
biwa1400 0:f8af47d9f0cd 157 }
biwa1400 0:f8af47d9f0cd 158 else
biwa1400 0:f8af47d9f0cd 159 {
biwa1400 0:f8af47d9f0cd 160 string str(receive_data.begin(),receive_data.end());
biwa1400 0:f8af47d9f0cd 161 output_data=str;
biwa1400 0:f8af47d9f0cd 162 }
biwa1400 0:f8af47d9f0cd 163 return true;
biwa1400 0:f8af47d9f0cd 164
biwa1400 0:f8af47d9f0cd 165 }