Chris Merck / Mbed 2 deprecated mDot_TTN_DHT11

Demo of DHT11->mDot->TTN

Dependencies:   DHT11 libmDot mbed-rtos mbed

main.cpp@13:761b9c929a3f, 2016-05-19 (annotated)

Committer:
merckeng
Date:
Thu May 19 15:18:05 2016 +0000
Revision:
13:761b9c929a3f
Parent:
12:e82913ee9c61
Child:
14:e4574212176a
Data getting into TTN.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
SomeRandomBloke 5:48eb9245a914 1 /** mDot_TTN_DS18B20 - Simple mDot temperature sensor using Dallas Semiconductors DS18B20 OneWire temperature sensor.
SomeRandomBloke 9:086351e54b57 2 * It used the MANUAL join mode with parameters for The Things Network.
SomeRandomBloke 11:38ce10209eff 3 *
SomeRandomBloke 2:9db840d12557 4 *
SomeRandomBloke 0:5a0b43f3b143 5 * Uses MultiTech mDot developer board http://www.multitech.com/models/94558010LF
SomeRandomBloke 0:5a0b43f3b143 6 * Requires a MultiTech MultiConnect Conduit http://www.multitech.com/models/94557203LF
SomeRandomBloke 5:48eb9245a914 7 * http://www.multitech.net/developer/software/lora/conduit-mlinux-convert-to-basic-packet-forwarder/
SomeRandomBloke 5:48eb9245a914 8 * http://forum.thethingsnetwork.org/t/setting-up-multitech-conduit-gateway-for-ttn/216/35
SomeRandomBloke 0:5a0b43f3b143 9 *
SomeRandomBloke 0:5a0b43f3b143 10 */
SomeRandomBloke 0:5a0b43f3b143 11
SomeRandomBloke 0:5a0b43f3b143 12 #include "mbed.h"
SomeRandomBloke 0:5a0b43f3b143 13 #include "DS1820.h"
SomeRandomBloke 0:5a0b43f3b143 14 #include "mDot.h"
SomeRandomBloke 0:5a0b43f3b143 15 #include "MTSLog.h"
SomeRandomBloke 0:5a0b43f3b143 16 #include "MTSText.h"
SomeRandomBloke 0:5a0b43f3b143 17 #include <string>
SomeRandomBloke 0:5a0b43f3b143 18 #include <vector>
SomeRandomBloke 0:5a0b43f3b143 19
SomeRandomBloke 0:5a0b43f3b143 20 using namespace mts;
SomeRandomBloke 0:5a0b43f3b143 21
SomeRandomBloke 4:f649ab1b61d1 22 #define MIN(a,b) (((a)<(b))?(a):(b))
SomeRandomBloke 4:f649ab1b61d1 23 #define MAX(a,b) (((a)>(b))?(a):(b))
SomeRandomBloke 4:f649ab1b61d1 24
SomeRandomBloke 8:8070e9d660e4 25 // Values as used by The Things Network
SomeRandomBloke 5:48eb9245a914 26 //const uint8_t AppKey[16]={0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
SomeRandomBloke 5:48eb9245a914 27 // Application session key
SomeRandomBloke 5:48eb9245a914 28 uint8_t AppSKey[16]= {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
SomeRandomBloke 5:48eb9245a914 29 // Network session key
SomeRandomBloke 5:48eb9245a914 30 uint8_t NwkSKey[16]= {0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C};
SomeRandomBloke 8:8070e9d660e4 31
SomeRandomBloke 9:086351e54b57 32 // Network Address - Get your own address range at http://thethingsnetwork.org/wiki/AddressSpace
SomeRandomBloke 11:38ce10209eff 33 uint8_t NetworkAddr[4]= {0x02,0x01,0x00,0x00}; // Our Network address or Node ID
SomeRandomBloke 8:8070e9d660e4 34
SomeRandomBloke 8:8070e9d660e4 35
SomeRandomBloke 8:8070e9d660e4 36 // Some defines for the LoRa configuration
SomeRandomBloke 8:8070e9d660e4 37 #define LORA_SF mDot::SF_12
SomeRandomBloke 8:8070e9d660e4 38 #define LORA_ACK 0
SomeRandomBloke 8:8070e9d660e4 39 #define LORA_TXPOWER 14
SomeRandomBloke 5:48eb9245a914 40
SomeRandomBloke 3:367aa95f9771 41 // Ignoring sub band for EU modules.
merckeng 13:761b9c929a3f 42 static uint8_t config_frequency_sub_band = 7;
SomeRandomBloke 0:5a0b43f3b143 43
SomeRandomBloke 2:9db840d12557 44 // DS18B20 OneWire pin
SomeRandomBloke 8:8070e9d660e4 45 // D13 on Dev Board, pin 18 on mDot, Compatible with Oxford Flood Network PCB temperature sensor.
SomeRandomBloke 1:45cec6aea002 46 #define DATA_PIN PA_5
SomeRandomBloke 3:367aa95f9771 47 // A0 on Dev Board, pin 20 on mDot
SomeRandomBloke 1:45cec6aea002 48 //#define DATA_PIN PB_1
SomeRandomBloke 0:5a0b43f3b143 49
SomeRandomBloke 3:367aa95f9771 50 // Temperature sensor object
SomeRandomBloke 0:5a0b43f3b143 51 DS1820 probe(DATA_PIN);
SomeRandomBloke 0:5a0b43f3b143 52
SomeRandomBloke 3:367aa95f9771 53 // Serial via USB for debugging only
SomeRandomBloke 0:5a0b43f3b143 54 Serial pc(USBTX,USBRX);
SomeRandomBloke 0:5a0b43f3b143 55
SomeRandomBloke 0:5a0b43f3b143 56 int main()
SomeRandomBloke 0:5a0b43f3b143 57 {
SomeRandomBloke 0:5a0b43f3b143 58 int32_t ret;
SomeRandomBloke 0:5a0b43f3b143 59 mDot* dot;
SomeRandomBloke 0:5a0b43f3b143 60 std::vector<uint8_t> send_data;
SomeRandomBloke 0:5a0b43f3b143 61 std::vector<uint8_t> recv_data;
SomeRandomBloke 5:48eb9245a914 62 std::vector<uint8_t> nwkSKey;
SomeRandomBloke 5:48eb9245a914 63 std::vector<uint8_t> nodeAddr;
SomeRandomBloke 6:0a7760eeaba9 64 std::vector<uint8_t> networkAddr;
SomeRandomBloke 0:5a0b43f3b143 65
SomeRandomBloke 0:5a0b43f3b143 66 float temperature = 0.0;
SomeRandomBloke 1:45cec6aea002 67
SomeRandomBloke 0:5a0b43f3b143 68 pc.baud(115200);
SomeRandomBloke 5:48eb9245a914 69 pc.printf("TTN mDot LoRa Temperature sensor\n\r");
SomeRandomBloke 1:45cec6aea002 70
SomeRandomBloke 0:5a0b43f3b143 71 // get a mDot handle
SomeRandomBloke 0:5a0b43f3b143 72 dot = mDot::getInstance();
SomeRandomBloke 0:5a0b43f3b143 73
SomeRandomBloke 9:086351e54b57 74 dot->setLogLevel(MTSLog::WARNING_LEVEL);
SomeRandomBloke 9:086351e54b57 75 // dot->setLogLevel(MTSLog::TRACE_LEVEL);
SomeRandomBloke 0:5a0b43f3b143 76
SomeRandomBloke 1:45cec6aea002 77 logInfo("Checking Config");
SomeRandomBloke 1:45cec6aea002 78
SomeRandomBloke 1:45cec6aea002 79 // Test if we've already saved the config
SomeRandomBloke 1:45cec6aea002 80 std::string configNetworkName = dot->getNetworkName();
SomeRandomBloke 5:48eb9245a914 81
SomeRandomBloke 5:48eb9245a914 82 uint8_t *it = NwkSKey;
SomeRandomBloke 5:48eb9245a914 83 for (uint8_t i = 0; i<16; i++)
SomeRandomBloke 5:48eb9245a914 84 nwkSKey.push_back((uint8_t) *it++);
SomeRandomBloke 5:48eb9245a914 85
SomeRandomBloke 6:0a7760eeaba9 86 it = NetworkAddr;
SomeRandomBloke 5:48eb9245a914 87 for (uint8_t i = 0; i<4; i++)
SomeRandomBloke 6:0a7760eeaba9 88 networkAddr.push_back((uint8_t) *it++);
SomeRandomBloke 1:45cec6aea002 89
SomeRandomBloke 9:086351e54b57 90 logInfo("Resetting Config");
SomeRandomBloke 9:086351e54b57 91 // reset to default config so we know what state we're in
SomeRandomBloke 9:086351e54b57 92 dot->resetConfig();
SomeRandomBloke 1:45cec6aea002 93
SomeRandomBloke 5:48eb9245a914 94 // Set byte order - AEP less than 1.0.30
SomeRandomBloke 8:8070e9d660e4 95 // dot->setJoinByteOrder(mDot::LSB);
SomeRandomBloke 8:8070e9d660e4 96 dot->setJoinByteOrder(mDot::MSB); // This is default for > 1.0.30 Conduit
SomeRandomBloke 0:5a0b43f3b143 97
SomeRandomBloke 5:48eb9245a914 98 // Set Spreading Factor, higher is lower data rate, smaller packets but longer range
SomeRandomBloke 5:48eb9245a914 99 // Lower is higher data rate, larger packets and shorter range.
SomeRandomBloke 5:48eb9245a914 100 logInfo("Set SF");
SomeRandomBloke 8:8070e9d660e4 101 if((ret = dot->setTxDataRate( LORA_SF )) != mDot::MDOT_OK) {
SomeRandomBloke 5:48eb9245a914 102 logError("Failed to set SF %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 5:48eb9245a914 103 }
SomeRandomBloke 5:48eb9245a914 104
SomeRandomBloke 5:48eb9245a914 105 logInfo("Set TxPower");
SomeRandomBloke 8:8070e9d660e4 106 if((ret = dot->setTxPower( LORA_TXPOWER )) != mDot::MDOT_OK) {
SomeRandomBloke 5:48eb9245a914 107 logError("Failed to set Tx Power %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 5:48eb9245a914 108 }
SomeRandomBloke 5:48eb9245a914 109
SomeRandomBloke 7:2a704d1a30e1 110 logInfo("Set Public mode");
SomeRandomBloke 7:2a704d1a30e1 111 if((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) {
SomeRandomBloke 7:2a704d1a30e1 112 logError("failed to set Public Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 7:2a704d1a30e1 113 }
SomeRandomBloke 7:2a704d1a30e1 114
SomeRandomBloke 7:2a704d1a30e1 115 logInfo("Set MANUAL Join mode");
SomeRandomBloke 7:2a704d1a30e1 116 if((ret = dot->setJoinMode(mDot::MANUAL)) != mDot::MDOT_OK) {
SomeRandomBloke 7:2a704d1a30e1 117 logError("Failed to set MANUAL Join Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 7:2a704d1a30e1 118 }
SomeRandomBloke 7:2a704d1a30e1 119
SomeRandomBloke 5:48eb9245a914 120 logInfo("Set Ack");
SomeRandomBloke 5:48eb9245a914 121 // 1 retries on Ack, 0 to disable
SomeRandomBloke 8:8070e9d660e4 122 if((ret = dot->setAck( LORA_ACK)) != mDot::MDOT_OK) {
SomeRandomBloke 5:48eb9245a914 123 logError("Failed to set Ack %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 5:48eb9245a914 124 }
SomeRandomBloke 3:367aa95f9771 125
merckeng 13:761b9c929a3f 126 //Not applicable for 868MHz in EU
merckeng 13:761b9c929a3f 127 if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
merckeng 13:761b9c929a3f 128 logError("failed to set frequency sub band", ret);
merckeng 13:761b9c929a3f 129 }
SomeRandomBloke 1:45cec6aea002 130
SomeRandomBloke 6:0a7760eeaba9 131 logInfo("Set Network Address");
SomeRandomBloke 6:0a7760eeaba9 132 if ((ret = dot->setNetworkAddress(networkAddr)) != mDot::MDOT_OK) {
SomeRandomBloke 7:2a704d1a30e1 133 logError("Failed to set Network Address %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 7:2a704d1a30e1 134 }
SomeRandomBloke 7:2a704d1a30e1 135
SomeRandomBloke 7:2a704d1a30e1 136 logInfo("Set Data Session Key");
SomeRandomBloke 7:2a704d1a30e1 137 if ((ret = dot->setDataSessionKey(nwkSKey)) != mDot::MDOT_OK) {
SomeRandomBloke 7:2a704d1a30e1 138 logError("Failed to set Data Session Key %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 5:48eb9245a914 139 }
SomeRandomBloke 0:5a0b43f3b143 140
SomeRandomBloke 5:48eb9245a914 141 logInfo("Set Network Session Key");
SomeRandomBloke 5:48eb9245a914 142 if ((ret = dot->setNetworkSessionKey(nwkSKey)) != mDot::MDOT_OK) {
SomeRandomBloke 5:48eb9245a914 143 logError("Failed to set Network Session Key %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 5:48eb9245a914 144 }
SomeRandomBloke 5:48eb9245a914 145
SomeRandomBloke 5:48eb9245a914 146 logInfo("Saving Config");
SomeRandomBloke 5:48eb9245a914 147 // Save config
SomeRandomBloke 5:48eb9245a914 148 if (! dot->saveConfig()) {
SomeRandomBloke 5:48eb9245a914 149 logError("failed to save configuration");
SomeRandomBloke 0:5a0b43f3b143 150 }
SomeRandomBloke 5:48eb9245a914 151
SomeRandomBloke 5:48eb9245a914 152 // Display what is set
SomeRandomBloke 5:48eb9245a914 153 std::vector<uint8_t> tmp = dot->getNetworkSessionKey();
SomeRandomBloke 5:48eb9245a914 154 pc.printf("Network Session Key: ");
SomeRandomBloke 5:48eb9245a914 155 pc.printf("%s\r\n", mts::Text::bin2hexString(tmp, " ").c_str());
SomeRandomBloke 5:48eb9245a914 156
SomeRandomBloke 5:48eb9245a914 157 tmp = dot->getDataSessionKey();
SomeRandomBloke 5:48eb9245a914 158 pc.printf("Data Session Key: ");
SomeRandomBloke 5:48eb9245a914 159 pc.printf("%s\r\n", mts::Text::bin2hexString(tmp, " ").c_str());
SomeRandomBloke 0:5a0b43f3b143 160
SomeRandomBloke 6:0a7760eeaba9 161 pc.printf("Device ID ");
SomeRandomBloke 6:0a7760eeaba9 162 std::vector<uint8_t> deviceId;
SomeRandomBloke 6:0a7760eeaba9 163 deviceId = dot->getDeviceId();
SomeRandomBloke 6:0a7760eeaba9 164 for (std::vector<uint8_t>::iterator it = deviceId.begin() ; it != deviceId.end(); ++it)
SomeRandomBloke 5:48eb9245a914 165 pc.printf("%2.2x",*it );
SomeRandomBloke 6:0a7760eeaba9 166 pc.printf("\r\n");
SomeRandomBloke 5:48eb9245a914 167
SomeRandomBloke 6:0a7760eeaba9 168 std::vector<uint8_t> netAddress;
SomeRandomBloke 9:086351e54b57 169
SomeRandomBloke 6:0a7760eeaba9 170 pc.printf("Network Address ");
SomeRandomBloke 6:0a7760eeaba9 171 netAddress = dot->getNetworkAddress();
SomeRandomBloke 6:0a7760eeaba9 172 for (std::vector<uint8_t>::iterator it = netAddress.begin() ; it != netAddress.end(); ++it)
SomeRandomBloke 5:48eb9245a914 173 pc.printf("%2.2x",*it );
SomeRandomBloke 5:48eb9245a914 174
SomeRandomBloke 5:48eb9245a914 175 pc.printf("\r\n");
SomeRandomBloke 5:48eb9245a914 176
SomeRandomBloke 5:48eb9245a914 177 // Display LoRa parameters
SomeRandomBloke 5:48eb9245a914 178 // Display label and values in different colours, show pretty values not numeric values where applicable
SomeRandomBloke 5:48eb9245a914 179 pc.printf("Public Network: %s\r\n", (char*)(dot->getPublicNetwork() ? "Yes" : "No") );
SomeRandomBloke 5:48eb9245a914 180 pc.printf("Frequency: %s\r\n", (char*)mDot::FrequencyBandStr(dot->getFrequencyBand()).c_str() );
SomeRandomBloke 5:48eb9245a914 181 pc.printf("Sub Band: %s\r\n", (char*)mDot::FrequencySubBandStr(dot->getFrequencySubBand()).c_str() );
SomeRandomBloke 5:48eb9245a914 182 pc.printf("Join Mode: %s\r\n", (char*)mDot::JoinModeStr(dot->getJoinMode()).c_str() );
SomeRandomBloke 6:0a7760eeaba9 183 pc.printf("Join Retries: %d\r\n", dot->getJoinRetries() );
SomeRandomBloke 6:0a7760eeaba9 184 pc.printf("Join Byte Order: %s\r\n", (char*)(dot->getJoinByteOrder() == 0 ? "LSB" : "MSB") );
SomeRandomBloke 5:48eb9245a914 185 pc.printf("Link Check Count: %d\r\n", dot->getLinkCheckCount() );
SomeRandomBloke 7:2a704d1a30e1 186 pc.printf("Link Check Thold: %d\r\n", dot->getLinkCheckThreshold() );
SomeRandomBloke 5:48eb9245a914 187 pc.printf("Tx Data Rate: %s\r\n", (char*)mDot::DataRateStr(dot->getTxDataRate()).c_str() );
SomeRandomBloke 5:48eb9245a914 188 pc.printf("Tx Power: %d\r\n", dot->getTxPower() );
SomeRandomBloke 6:0a7760eeaba9 189 pc.printf("TxWait: %s, ", (dot->getTxWait() ? "Y" : "N" ));
SomeRandomBloke 5:48eb9245a914 190 pc.printf("CRC: %s, ", (dot->getCrc() ? "Y" : "N") );
SomeRandomBloke 5:48eb9245a914 191 pc.printf("Ack: %s\r\n", (dot->getAck() ? "Y" : "N") );
SomeRandomBloke 5:48eb9245a914 192
SomeRandomBloke 9:086351e54b57 193 logInfo("Joining Network");
SomeRandomBloke 6:0a7760eeaba9 194
SomeRandomBloke 9:086351e54b57 195 while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
SomeRandomBloke 9:086351e54b57 196 logError("failed to join network [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 9:086351e54b57 197 wait_ms(dot->getNextTxMs() + 1);
SomeRandomBloke 9:086351e54b57 198 }
SomeRandomBloke 6:0a7760eeaba9 199
SomeRandomBloke 9:086351e54b57 200 logInfo("Joined Network");
SomeRandomBloke 6:0a7760eeaba9 201
SomeRandomBloke 9:086351e54b57 202 // Set the Temperature sesnor resolution, 9 bits is enough and makes it faster to provide a reading.
SomeRandomBloke 0:5a0b43f3b143 203 probe.setResolution(9);
SomeRandomBloke 0:5a0b43f3b143 204
SomeRandomBloke 0:5a0b43f3b143 205 char dataBuf[50];
SomeRandomBloke 0:5a0b43f3b143 206 while( 1 ) {
SomeRandomBloke 9:086351e54b57 207 //Start temperature conversion, wait until ready
SomeRandomBloke 9:086351e54b57 208 probe.convertTemperature(true, DS1820::all_devices);
SomeRandomBloke 7:2a704d1a30e1 209 // Output data as JSON e.g. {"t":21.3}
SomeRandomBloke 0:5a0b43f3b143 210 temperature = probe.temperature();
SomeRandomBloke 7:2a704d1a30e1 211 sprintf(dataBuf, "{\"t\":%3.1f}", temperature );
SomeRandomBloke 0:5a0b43f3b143 212 send_data.clear();
SomeRandomBloke 0:5a0b43f3b143 213 // probably not the most efficent way to do this
SomeRandomBloke 0:5a0b43f3b143 214 for( int i=0; i< strlen(dataBuf); i++ )
SomeRandomBloke 0:5a0b43f3b143 215 send_data.push_back( dataBuf[i] );
SomeRandomBloke 0:5a0b43f3b143 216
SomeRandomBloke 0:5a0b43f3b143 217 if ((ret = dot->send(send_data)) != mDot::MDOT_OK) {
SomeRandomBloke 0:5a0b43f3b143 218 logError("failed to send: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
SomeRandomBloke 0:5a0b43f3b143 219 } else {
SomeRandomBloke 0:5a0b43f3b143 220 logInfo("send data: %s", Text::bin2hexString(send_data).c_str());
SomeRandomBloke 0:5a0b43f3b143 221 }
SomeRandomBloke 0:5a0b43f3b143 222
SomeRandomBloke 8:8070e9d660e4 223 // Should sleep here and wakeup after a set 10 minute interval.
SomeRandomBloke 8:8070e9d660e4 224 uint32_t sleep_time = MAX((dot->getNextTxMs() / 1000), 600);
SomeRandomBloke 2:9db840d12557 225 logInfo("going to sleep for %d seconds", sleep_time);
SomeRandomBloke 0:5a0b43f3b143 226
SomeRandomBloke 1:45cec6aea002 227 // go to sleep and wake up automatically sleep_time seconds later
SomeRandomBloke 8:8070e9d660e4 228 dot->sleep(sleep_time, mDot::RTC_ALARM);
SomeRandomBloke 0:5a0b43f3b143 229 }
SomeRandomBloke 2:9db840d12557 230
SomeRandomBloke 0:5a0b43f3b143 231 return 0;
SomeRandomBloke 0:5a0b43f3b143 232 }