3mdeb / Mbed OS mdot-examples

mdot-examples triage

Dependencies:   libmDot-dev-mbed5-deprecated ISL29011

examples/src/peer_to_peer_example.cpp@0:f3d9c16b08d7, 2017-06-29 (annotated)

Committer:
Maciej Pijanowski
Date:
Thu Jun 29 19:54:41 2017 +0200
Revision:
0:f3d9c16b08d7
manual single channel example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Maciej Pijanowski 0:f3d9c16b08d7 1 #include "dot_util.h"
Maciej Pijanowski 0:f3d9c16b08d7 2 #include "RadioEvent.h"
Maciej Pijanowski 0:f3d9c16b08d7 3
Maciej Pijanowski 0:f3d9c16b08d7 4 #if ACTIVE_EXAMPLE == PEER_TO_PEER_EXAMPLE
Maciej Pijanowski 0:f3d9c16b08d7 5
Maciej Pijanowski 0:f3d9c16b08d7 6 /////////////////////////////////////////////////////////////////////////////
Maciej Pijanowski 0:f3d9c16b08d7 7 // -------------------- DOT LIBRARY REQUIRED ------------------------------//
Maciej Pijanowski 0:f3d9c16b08d7 8 // * Because these example programs can be used for both mDot and xDot //
Maciej Pijanowski 0:f3d9c16b08d7 9 // devices, the LoRa stack is not included. The libmDot library should //
Maciej Pijanowski 0:f3d9c16b08d7 10 // be imported if building for mDot devices. The libxDot library //
Maciej Pijanowski 0:f3d9c16b08d7 11 // should be imported if building for xDot devices. //
Maciej Pijanowski 0:f3d9c16b08d7 12 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/ //
Maciej Pijanowski 0:f3d9c16b08d7 13 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/ //
Maciej Pijanowski 0:f3d9c16b08d7 14 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/ //
Maciej Pijanowski 0:f3d9c16b08d7 15 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/ //
Maciej Pijanowski 0:f3d9c16b08d7 16 /////////////////////////////////////////////////////////////////////////////
Maciej Pijanowski 0:f3d9c16b08d7 17
Maciej Pijanowski 0:f3d9c16b08d7 18 /////////////////////////////////////////////////////////////
Maciej Pijanowski 0:f3d9c16b08d7 19 // * these options must match between the two devices in //
Maciej Pijanowski 0:f3d9c16b08d7 20 // order for communication to be successful
Maciej Pijanowski 0:f3d9c16b08d7 21 /////////////////////////////////////////////////////////////
Maciej Pijanowski 0:f3d9c16b08d7 22 static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 };
Maciej Pijanowski 0:f3d9c16b08d7 23 static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
Maciej Pijanowski 0:f3d9c16b08d7 24 static uint8_t data_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
Maciej Pijanowski 0:f3d9c16b08d7 25
Maciej Pijanowski 0:f3d9c16b08d7 26 mDot* dot = NULL;
Maciej Pijanowski 0:f3d9c16b08d7 27 lora::ChannelPlan* plan = NULL;
Maciej Pijanowski 0:f3d9c16b08d7 28
Maciej Pijanowski 0:f3d9c16b08d7 29 Serial pc(USBTX, USBRX);
Maciej Pijanowski 0:f3d9c16b08d7 30
Maciej Pijanowski 0:f3d9c16b08d7 31 #if defined(TARGET_XDOT_L151CC)
Maciej Pijanowski 0:f3d9c16b08d7 32 I2C i2c(I2C_SDA, I2C_SCL);
Maciej Pijanowski 0:f3d9c16b08d7 33 ISL29011 lux(i2c);
Maciej Pijanowski 0:f3d9c16b08d7 34 #else
Maciej Pijanowski 0:f3d9c16b08d7 35 AnalogIn lux(XBEE_AD0);
Maciej Pijanowski 0:f3d9c16b08d7 36 #endif
Maciej Pijanowski 0:f3d9c16b08d7 37
Maciej Pijanowski 0:f3d9c16b08d7 38 int main() {
Maciej Pijanowski 0:f3d9c16b08d7 39 // Custom event handler for automatically displaying RX data
Maciej Pijanowski 0:f3d9c16b08d7 40 RadioEvent events;
Maciej Pijanowski 0:f3d9c16b08d7 41 uint32_t tx_frequency;
Maciej Pijanowski 0:f3d9c16b08d7 42 uint8_t tx_datarate;
Maciej Pijanowski 0:f3d9c16b08d7 43 uint8_t tx_power;
Maciej Pijanowski 0:f3d9c16b08d7 44 uint8_t frequency_band;
Maciej Pijanowski 0:f3d9c16b08d7 45
Maciej Pijanowski 0:f3d9c16b08d7 46 pc.baud(115200);
Maciej Pijanowski 0:f3d9c16b08d7 47
Maciej Pijanowski 0:f3d9c16b08d7 48 mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
Maciej Pijanowski 0:f3d9c16b08d7 49
Maciej Pijanowski 0:f3d9c16b08d7 50 #if CHANNEL_PLAN == CP_US915
Maciej Pijanowski 0:f3d9c16b08d7 51 plan = new lora::ChannelPlan_US915();
Maciej Pijanowski 0:f3d9c16b08d7 52 #elif CHANNEL_PLAN == CP_AU915
Maciej Pijanowski 0:f3d9c16b08d7 53 plan = new lora::ChannelPlan_AU915();
Maciej Pijanowski 0:f3d9c16b08d7 54 #elif CHANNEL_PLAN == CP_EU868
Maciej Pijanowski 0:f3d9c16b08d7 55 plan = new lora::ChannelPlan_EU868();
Maciej Pijanowski 0:f3d9c16b08d7 56 #elif CHANNEL_PLAN == CP_KR920
Maciej Pijanowski 0:f3d9c16b08d7 57 plan = new lora::ChannelPlan_KR920();
Maciej Pijanowski 0:f3d9c16b08d7 58 #elif CHANNEL_PLAN == CP_AS923
Maciej Pijanowski 0:f3d9c16b08d7 59 plan = new lora::ChannelPlan_AS923();
Maciej Pijanowski 0:f3d9c16b08d7 60 #elif CHANNEL_PLAN == CP_AS923_JAPAN
Maciej Pijanowski 0:f3d9c16b08d7 61 plan = new lora::ChannelPlan_AS923_Japan();
Maciej Pijanowski 0:f3d9c16b08d7 62 #endif
Maciej Pijanowski 0:f3d9c16b08d7 63 assert(plan);
Maciej Pijanowski 0:f3d9c16b08d7 64
Maciej Pijanowski 0:f3d9c16b08d7 65 dot = mDot::getInstance(plan);
Maciej Pijanowski 0:f3d9c16b08d7 66 assert(dot);
Maciej Pijanowski 0:f3d9c16b08d7 67
Maciej Pijanowski 0:f3d9c16b08d7 68 logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
Maciej Pijanowski 0:f3d9c16b08d7 69
Maciej Pijanowski 0:f3d9c16b08d7 70 // start from a well-known state
Maciej Pijanowski 0:f3d9c16b08d7 71 logInfo("defaulting Dot configuration");
Maciej Pijanowski 0:f3d9c16b08d7 72 dot->resetConfig();
Maciej Pijanowski 0:f3d9c16b08d7 73
Maciej Pijanowski 0:f3d9c16b08d7 74 // make sure library logging is turned on
Maciej Pijanowski 0:f3d9c16b08d7 75 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
Maciej Pijanowski 0:f3d9c16b08d7 76
Maciej Pijanowski 0:f3d9c16b08d7 77 // attach the custom events handler
Maciej Pijanowski 0:f3d9c16b08d7 78 dot->setEvents(&events);
Maciej Pijanowski 0:f3d9c16b08d7 79
Maciej Pijanowski 0:f3d9c16b08d7 80 // update configuration if necessary
Maciej Pijanowski 0:f3d9c16b08d7 81 if (dot->getJoinMode() != mDot::PEER_TO_PEER) {
Maciej Pijanowski 0:f3d9c16b08d7 82 logInfo("changing network join mode to PEER_TO_PEER");
Maciej Pijanowski 0:f3d9c16b08d7 83 if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) {
Maciej Pijanowski 0:f3d9c16b08d7 84 logError("failed to set network join mode to PEER_TO_PEER");
Maciej Pijanowski 0:f3d9c16b08d7 85 }
Maciej Pijanowski 0:f3d9c16b08d7 86 }
Maciej Pijanowski 0:f3d9c16b08d7 87 frequency_band = dot->getFrequencyBand();
Maciej Pijanowski 0:f3d9c16b08d7 88 switch (frequency_band) {
Maciej Pijanowski 0:f3d9c16b08d7 89 case lora::ChannelPlan::EU868_OLD:
Maciej Pijanowski 0:f3d9c16b08d7 90 case lora::ChannelPlan::EU868:
Maciej Pijanowski 0:f3d9c16b08d7 91 // 250kHz channels achieve higher throughput
Maciej Pijanowski 0:f3d9c16b08d7 92 // DR_6 : SF7 @ 250kHz
Maciej Pijanowski 0:f3d9c16b08d7 93 // DR_0 - DR_5 (125kHz channels) available but much slower
Maciej Pijanowski 0:f3d9c16b08d7 94 tx_frequency = 869850000;
Maciej Pijanowski 0:f3d9c16b08d7 95 tx_datarate = lora::DR_6;
Maciej Pijanowski 0:f3d9c16b08d7 96 // the 869850000 frequency is 100% duty cycle if the total power is under 7 dBm - tx power 4 + antenna gain 3 = 7
Maciej Pijanowski 0:f3d9c16b08d7 97 tx_power = 4;
Maciej Pijanowski 0:f3d9c16b08d7 98 break;
Maciej Pijanowski 0:f3d9c16b08d7 99
Maciej Pijanowski 0:f3d9c16b08d7 100 case lora::ChannelPlan::US915_OLD:
Maciej Pijanowski 0:f3d9c16b08d7 101 case lora::ChannelPlan::US915:
Maciej Pijanowski 0:f3d9c16b08d7 102 case lora::ChannelPlan::AU915_OLD:
Maciej Pijanowski 0:f3d9c16b08d7 103 case lora::ChannelPlan::AU915:
Maciej Pijanowski 0:f3d9c16b08d7 104 // 500kHz channels achieve highest throughput
Maciej Pijanowski 0:f3d9c16b08d7 105 // DR_8 : SF12 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 106 // DR_9 : SF11 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 107 // DR_10 : SF10 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 108 // DR_11 : SF9 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 109 // DR_12 : SF8 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 110 // DR_13 : SF7 @ 500kHz
Maciej Pijanowski 0:f3d9c16b08d7 111 // DR_0 - DR_3 (125kHz channels) available but much slower
Maciej Pijanowski 0:f3d9c16b08d7 112 tx_frequency = 915500000;
Maciej Pijanowski 0:f3d9c16b08d7 113 tx_datarate = lora::DR_13;
Maciej Pijanowski 0:f3d9c16b08d7 114 // 915 bands have no duty cycle restrictions, set tx power to max
Maciej Pijanowski 0:f3d9c16b08d7 115 tx_power = 20;
Maciej Pijanowski 0:f3d9c16b08d7 116 break;
Maciej Pijanowski 0:f3d9c16b08d7 117
Maciej Pijanowski 0:f3d9c16b08d7 118 case lora::ChannelPlan::AS923:
Maciej Pijanowski 0:f3d9c16b08d7 119 case lora::ChannelPlan::AS923_JAPAN:
Maciej Pijanowski 0:f3d9c16b08d7 120 // 250kHz channels achieve higher throughput
Maciej Pijanowski 0:f3d9c16b08d7 121 // DR_6 : SF7 @ 250kHz
Maciej Pijanowski 0:f3d9c16b08d7 122 // DR_0 - DR_5 (125kHz channels) available but much slower
Maciej Pijanowski 0:f3d9c16b08d7 123 tx_frequency = 924800000;
Maciej Pijanowski 0:f3d9c16b08d7 124 tx_datarate = lora::DR_6;
Maciej Pijanowski 0:f3d9c16b08d7 125 tx_power = 16;
Maciej Pijanowski 0:f3d9c16b08d7 126 break;
Maciej Pijanowski 0:f3d9c16b08d7 127
Maciej Pijanowski 0:f3d9c16b08d7 128 case lora::ChannelPlan::KR920:
Maciej Pijanowski 0:f3d9c16b08d7 129 // DR_5 : SF7 @ 125kHz
Maciej Pijanowski 0:f3d9c16b08d7 130 tx_frequency = 922700000;
Maciej Pijanowski 0:f3d9c16b08d7 131 tx_datarate = lora::DR_5;
Maciej Pijanowski 0:f3d9c16b08d7 132 tx_power = 14;
Maciej Pijanowski 0:f3d9c16b08d7 133 break;
Maciej Pijanowski 0:f3d9c16b08d7 134
Maciej Pijanowski 0:f3d9c16b08d7 135 default:
Maciej Pijanowski 0:f3d9c16b08d7 136 while (true) {
Maciej Pijanowski 0:f3d9c16b08d7 137 logFatal("no known channel plan in use - extra configuration is needed!");
Maciej Pijanowski 0:f3d9c16b08d7 138 wait(5);
Maciej Pijanowski 0:f3d9c16b08d7 139 }
Maciej Pijanowski 0:f3d9c16b08d7 140 break;
Maciej Pijanowski 0:f3d9c16b08d7 141 }
Maciej Pijanowski 0:f3d9c16b08d7 142 // in PEER_TO_PEER mode there is no join request/response transaction
Maciej Pijanowski 0:f3d9c16b08d7 143 // as long as both Dots are configured correctly, they should be able to communicate
Maciej Pijanowski 0:f3d9c16b08d7 144 update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power);
Maciej Pijanowski 0:f3d9c16b08d7 145
Maciej Pijanowski 0:f3d9c16b08d7 146 // save changes to configuration
Maciej Pijanowski 0:f3d9c16b08d7 147 logInfo("saving configuration");
Maciej Pijanowski 0:f3d9c16b08d7 148 if (!dot->saveConfig()) {
Maciej Pijanowski 0:f3d9c16b08d7 149 logError("failed to save configuration");
Maciej Pijanowski 0:f3d9c16b08d7 150 }
Maciej Pijanowski 0:f3d9c16b08d7 151
Maciej Pijanowski 0:f3d9c16b08d7 152 // display configuration
Maciej Pijanowski 0:f3d9c16b08d7 153 display_config();
Maciej Pijanowski 0:f3d9c16b08d7 154
Maciej Pijanowski 0:f3d9c16b08d7 155 #if defined(TARGET_XDOT_L151CC)
Maciej Pijanowski 0:f3d9c16b08d7 156 // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
Maciej Pijanowski 0:f3d9c16b08d7 157 lux.setMode(ISL29011::ALS_CONT);
Maciej Pijanowski 0:f3d9c16b08d7 158 lux.setResolution(ISL29011::ADC_16BIT);
Maciej Pijanowski 0:f3d9c16b08d7 159 lux.setRange(ISL29011::RNG_64000);
Maciej Pijanowski 0:f3d9c16b08d7 160 #endif
Maciej Pijanowski 0:f3d9c16b08d7 161
Maciej Pijanowski 0:f3d9c16b08d7 162 while (true) {
Maciej Pijanowski 0:f3d9c16b08d7 163 uint16_t light;
Maciej Pijanowski 0:f3d9c16b08d7 164 std::vector<uint8_t> tx_data;
Maciej Pijanowski 0:f3d9c16b08d7 165
Maciej Pijanowski 0:f3d9c16b08d7 166 // join network if not joined
Maciej Pijanowski 0:f3d9c16b08d7 167 if (!dot->getNetworkJoinStatus()) {
Maciej Pijanowski 0:f3d9c16b08d7 168 join_network();
Maciej Pijanowski 0:f3d9c16b08d7 169 }
Maciej Pijanowski 0:f3d9c16b08d7 170
Maciej Pijanowski 0:f3d9c16b08d7 171 #if defined(TARGET_XDOT_L151CC)
Maciej Pijanowski 0:f3d9c16b08d7 172 // get the latest light sample and send it to the gateway
Maciej Pijanowski 0:f3d9c16b08d7 173 light = lux.getData();
Maciej Pijanowski 0:f3d9c16b08d7 174 tx_data.push_back((light >> 8) & 0xFF);
Maciej Pijanowski 0:f3d9c16b08d7 175 tx_data.push_back(light & 0xFF);
Maciej Pijanowski 0:f3d9c16b08d7 176 logInfo("light: %lu [0x%04X]", light, light);
Maciej Pijanowski 0:f3d9c16b08d7 177 send_data(tx_data);
Maciej Pijanowski 0:f3d9c16b08d7 178 #else
Maciej Pijanowski 0:f3d9c16b08d7 179 // get some dummy data and send it to the gateway
Maciej Pijanowski 0:f3d9c16b08d7 180 light = lux.read_u16();
Maciej Pijanowski 0:f3d9c16b08d7 181 tx_data.push_back((light >> 8) & 0xFF);
Maciej Pijanowski 0:f3d9c16b08d7 182 tx_data.push_back(light & 0xFF);
Maciej Pijanowski 0:f3d9c16b08d7 183 logInfo("light: %lu [0x%04X]", light, light);
Maciej Pijanowski 0:f3d9c16b08d7 184 send_data(tx_data);
Maciej Pijanowski 0:f3d9c16b08d7 185 #endif
Maciej Pijanowski 0:f3d9c16b08d7 186
Maciej Pijanowski 0:f3d9c16b08d7 187 // the Dot can't sleep in PEER_TO_PEER mode
Maciej Pijanowski 0:f3d9c16b08d7 188 // it must be waiting for data from the other Dot
Maciej Pijanowski 0:f3d9c16b08d7 189 // send data every 5 seconds
Maciej Pijanowski 0:f3d9c16b08d7 190 logInfo("waiting for 5s");
Maciej Pijanowski 0:f3d9c16b08d7 191 wait(5);
Maciej Pijanowski 0:f3d9c16b08d7 192 }
Maciej Pijanowski 0:f3d9c16b08d7 193
Maciej Pijanowski 0:f3d9c16b08d7 194 return 0;
Maciej Pijanowski 0:f3d9c16b08d7 195 }
Maciej Pijanowski 0:f3d9c16b08d7 196
Maciej Pijanowski 0:f3d9c16b08d7 197 #endif
Maciej Pijanowski 0:f3d9c16b08d7 198