Matt Briggs / Mbed OS xDotBridge_update_dev_latest

Fork to see if I can get working

Dependencies:   BufferedSerial OneWire WinbondSPIFlash libxDot-dev-mbed5-deprecated

Fork of xDotBridge_update_test20180823 by Matt Briggs

xDotBridge/src/main.cpp@25:fea776239709, 2017-01-03 (annotated)

Committer:
Matt Briggs
Date:
Tue Jan 03 16:07:16 2017 -0700
Revision:
25:fea776239709
Parent:
24:fdf87e4b72e5
Child:
26:9411b26a5084
Prelim version for RX

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Matt Briggs 22:9453658b8d4b 1 #include "config.h"
Mike Fiore 11:d2e31743433a 2 #include "dot_util.h"
Mike Fiore 14:19fae4509473 3 #include "RadioEvent.h"
Mike Fiore 11:d2e31743433a 4
Matt Briggs 22:9453658b8d4b 5
mfiore 17:d4f82e16de5f 6 /////////////////////////////////////////////////////////////////////////////
mfiore 17:d4f82e16de5f 7 // -------------------- DOT LIBRARY REQUIRED ------------------------------//
mfiore 17:d4f82e16de5f 8 // * Because these example programs can be used for both mDot and xDot //
mfiore 17:d4f82e16de5f 9 // devices, the LoRa stack is not included. The libmDot library should //
mfiore 17:d4f82e16de5f 10 // be imported if building for mDot devices. The libxDot library //
mfiore 17:d4f82e16de5f 11 // should be imported if building for xDot devices. //
mfiore 17:d4f82e16de5f 12 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/ //
mfiore 17:d4f82e16de5f 13 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/ //
mfiore 17:d4f82e16de5f 14 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/ //
mfiore 17:d4f82e16de5f 15 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/ //
mfiore 17:d4f82e16de5f 16 /////////////////////////////////////////////////////////////////////////////
mfiore 17:d4f82e16de5f 17
Mike Fiore 11:d2e31743433a 18 /////////////////////////////////////////////////////////////
Mike Fiore 11:d2e31743433a 19 // * these options must match between the two devices in //
Mike Fiore 11:d2e31743433a 20 // order for communication to be successful
Mike Fiore 11:d2e31743433a 21 /////////////////////////////////////////////////////////////
Mike Fiore 11:d2e31743433a 22 static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 };
Mike Fiore 11:d2e31743433a 23 static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
mbriggs_vortex 19:75b28b4117cc 24 static uint8_t data_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 };
Mike Fiore 11:d2e31743433a 25
Matt Briggs 25:fea776239709 26 DigitalOut led1(LED1);
Mike Fiore 11:d2e31743433a 27 mDot* dot = NULL;
Mike Fiore 11:d2e31743433a 28
Mike Fiore 11:d2e31743433a 29 Serial pc(USBTX, USBRX);
Mike Fiore 11:d2e31743433a 30
Mike Fiore 11:d2e31743433a 31 int main() {
Mike Fiore 14:19fae4509473 32 // Custom event handler for automatically displaying RX data
Mike Fiore 11:d2e31743433a 33 RadioEvent events;
Mike Fiore 11:d2e31743433a 34 uint32_t tx_frequency;
Mike Fiore 11:d2e31743433a 35 uint8_t tx_datarate;
Mike Fiore 11:d2e31743433a 36 uint8_t tx_power;
Mike Fiore 11:d2e31743433a 37 uint8_t frequency_band;
Mike Fiore 11:d2e31743433a 38
Mike Fiore 11:d2e31743433a 39 pc.baud(115200);
Mike Fiore 11:d2e31743433a 40
Mike Fiore 11:d2e31743433a 41 mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
Mike Fiore 11:d2e31743433a 42
Mike Fiore 11:d2e31743433a 43 dot = mDot::getInstance();
Mike Fiore 11:d2e31743433a 44
Mike Fiore 16:a3832552dfe1 45 logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
Mike Fiore 16:a3832552dfe1 46
Mike Fiore 12:ec9768677cea 47 // start from a well-known state
Mike Fiore 12:ec9768677cea 48 logInfo("defaulting Dot configuration");
Mike Fiore 12:ec9768677cea 49 dot->resetConfig();
Mike Fiore 12:ec9768677cea 50
Mike Fiore 11:d2e31743433a 51 // make sure library logging is turned on
Mike Fiore 11:d2e31743433a 52 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
Mike Fiore 11:d2e31743433a 53
Mike Fiore 11:d2e31743433a 54 // attach the custom events handler
Mike Fiore 11:d2e31743433a 55 dot->setEvents(&events);
Mike Fiore 11:d2e31743433a 56
Mike Fiore 11:d2e31743433a 57 // update configuration if necessary
Mike Fiore 11:d2e31743433a 58 if (dot->getJoinMode() != mDot::PEER_TO_PEER) {
Mike Fiore 11:d2e31743433a 59 logInfo("changing network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 60 if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) {
Mike Fiore 11:d2e31743433a 61 logError("failed to set network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 62 }
Mike Fiore 11:d2e31743433a 63 }
Mike Fiore 11:d2e31743433a 64 frequency_band = dot->getFrequencyBand();
Mike Fiore 11:d2e31743433a 65 switch (frequency_band) {
Mike Fiore 11:d2e31743433a 66 case mDot::FB_EU868:
Mike Fiore 11:d2e31743433a 67 // 250kHz channels achieve higher throughput
Mike Fiore 11:d2e31743433a 68 // DR6 : SF7 @ 250kHz
Mike Fiore 11:d2e31743433a 69 // DR0 - DR5 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 70 tx_frequency = 869850000;
Mike Fiore 11:d2e31743433a 71 tx_datarate = mDot::DR6;
Mike Fiore 11:d2e31743433a 72 // the 869850000 frequency is 100% duty cycle if the total power is under 7 dBm - tx power 4 + antenna gain 3 = 7
Mike Fiore 11:d2e31743433a 73 tx_power = 4;
Mike Fiore 11:d2e31743433a 74 break;
Mike Fiore 11:d2e31743433a 75 case mDot::FB_US915:
Mike Fiore 11:d2e31743433a 76 case mDot::FB_AU915:
Mike Fiore 11:d2e31743433a 77 default:
Mike Fiore 11:d2e31743433a 78 // 500kHz channels achieve highest throughput
Mike Fiore 11:d2e31743433a 79 // DR8 : SF12 @ 500kHz
Mike Fiore 11:d2e31743433a 80 // DR9 : SF11 @ 500kHz
Mike Fiore 11:d2e31743433a 81 // DR10 : SF10 @ 500kHz
Mike Fiore 11:d2e31743433a 82 // DR11 : SF9 @ 500kHz
Mike Fiore 11:d2e31743433a 83 // DR12 : SF8 @ 500kHz
Mike Fiore 11:d2e31743433a 84 // DR13 : SF7 @ 500kHz
Mike Fiore 11:d2e31743433a 85 // DR0 - DR3 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 86 tx_frequency = 915500000;
Mike Fiore 11:d2e31743433a 87 tx_datarate = mDot::DR13;
Mike Fiore 11:d2e31743433a 88 // 915 bands have no duty cycle restrictions, set tx power to max
Mike Fiore 11:d2e31743433a 89 tx_power = 20;
Mike Fiore 11:d2e31743433a 90 break;
Mike Fiore 11:d2e31743433a 91 }
Mike Fiore 11:d2e31743433a 92 // in PEER_TO_PEER mode there is no join request/response transaction
Mike Fiore 11:d2e31743433a 93 // as long as both Dots are configured correctly, they should be able to communicate
Mike Fiore 11:d2e31743433a 94 update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power);
Mike Fiore 11:d2e31743433a 95
Matt Briggs 24:fdf87e4b72e5 96
Matt Briggs 24:fdf87e4b72e5 97 unsigned int wakeMode;
Matt Briggs 24:fdf87e4b72e5 98 ///////////////////////////////
Matt Briggs 24:fdf87e4b72e5 99 // Transmitter Configuration //
Matt Briggs 24:fdf87e4b72e5 100 ///////////////////////////////
Matt Briggs 24:fdf87e4b72e5 101 #if BRIDGE_TX
Matt Briggs 24:fdf87e4b72e5 102 wakeMode = mDot::INTERRUPT;
Matt Briggs 24:fdf87e4b72e5 103 #endif
Matt Briggs 24:fdf87e4b72e5 104
Matt Briggs 24:fdf87e4b72e5 105 ////////////////////////////
Matt Briggs 24:fdf87e4b72e5 106 // Receiver Configuration //
Matt Briggs 24:fdf87e4b72e5 107 ////////////////////////////
Matt Briggs 24:fdf87e4b72e5 108 #if BRIDGE_RX
Matt Briggs 24:fdf87e4b72e5 109 wakeMode = mDot::RTC_ALARM_OR_INTERRUPT;
Matt Briggs 24:fdf87e4b72e5 110 #endif
Matt Briggs 24:fdf87e4b72e5 111
Matt Briggs 24:fdf87e4b72e5 112 // Common Configuration
Matt Briggs 25:fea776239709 113 dot->setWakePin(WAKE); // Use the wake pin as sleep interrupt
Matt Briggs 25:fea776239709 114 dot->setClass("C"); // Set class C
Matt Briggs 25:fea776239709 115 dot->setAck(0); // Disable Ack
Matt Briggs 24:fdf87e4b72e5 116
Mike Fiore 11:d2e31743433a 117 // save changes to configuration
Mike Fiore 11:d2e31743433a 118 logInfo("saving configuration");
Mike Fiore 11:d2e31743433a 119 if (!dot->saveConfig()) {
Mike Fiore 11:d2e31743433a 120 logError("failed to save configuration");
Mike Fiore 11:d2e31743433a 121 }
Mike Fiore 11:d2e31743433a 122
Mike Fiore 11:d2e31743433a 123 // display configuration
Mike Fiore 11:d2e31743433a 124 display_config();
Mike Fiore 11:d2e31743433a 125
mbriggs_vortex 23:4ed894108882 126 uint16_t seqNum=0;
Matt Briggs 25:fea776239709 127 uint32_t cDwnLink;
Mike Fiore 11:d2e31743433a 128 while (true) {
Matt Briggs 25:fea776239709 129 std::vector<uint8_t> data;
Matt Briggs 25:fea776239709 130 led1=0;
Matt Briggs 24:fdf87e4b72e5 131 ///////////////////////////
Matt Briggs 24:fdf87e4b72e5 132 // Transmitter main loop //
Matt Briggs 24:fdf87e4b72e5 133 ///////////////////////////
Matt Briggs 24:fdf87e4b72e5 134 #if BRIDGE_TX
Mike Fiore 11:d2e31743433a 135
Mike Fiore 11:d2e31743433a 136 // join network if not joined
Mike Fiore 11:d2e31743433a 137 if (!dot->getNetworkJoinStatus()) {
Mike Fiore 11:d2e31743433a 138 join_network();
Mike Fiore 11:d2e31743433a 139 }
Mike Fiore 11:d2e31743433a 140
Matt Briggs 25:fea776239709 141 data.push_back((seqNum >> 8) & 0xFF);
Matt Briggs 25:fea776239709 142 data.push_back(seqNum & 0xFF);
mbriggs_vortex 23:4ed894108882 143 logInfo("seqNum: %lu", seqNum);
Matt Briggs 25:fea776239709 144 send_data(data);
mbriggs_vortex 23:4ed894108882 145 seqNum++;
Matt Briggs 25:fea776239709 146 led1=1;
Matt Briggs 25:fea776239709 147 wait(0.5);
Matt Briggs 25:fea776239709 148 led1=0;
mbriggs_vortex 23:4ed894108882 149
Matt Briggs 24:fdf87e4b72e5 150 dot->sleep(0, wakeMode, false); // Go to sleep until wake button
Matt Briggs 24:fdf87e4b72e5 151 #endif
Matt Briggs 25:fea776239709 152 #if BRIDGE_RX
Matt Briggs 25:fea776239709 153 cDwnLink = dot->getDownLinkCounter();
Matt Briggs 25:fea776239709 154 logInfo("Waiting for new message current DLC: %d", cDwnLink);
Matt Briggs 25:fea776239709 155 while (cDwnLink >= dot->getDownLinkCounter()) {
Matt Briggs 25:fea776239709 156 wait(0.1);
Matt Briggs 25:fea776239709 157 }
Matt Briggs 25:fea776239709 158 led1 = 1;
Matt Briggs 25:fea776239709 159 dot->recv(data);
Matt Briggs 25:fea776239709 160 std::string dataStr(data.begin(), data.end());
Matt Briggs 25:fea776239709 161 logInfo("Got msg num: %d, payload: %s", seqNum, dataStr.c_str());
Matt Briggs 25:fea776239709 162 seqNum++;
Matt Briggs 25:fea776239709 163 wait(0.5);
Matt Briggs 25:fea776239709 164 led1=0;
Matt Briggs 25:fea776239709 165
Matt Briggs 25:fea776239709 166 #endif
Mike Fiore 11:d2e31743433a 167 }
Mike Fiore 11:d2e31743433a 168
Mike Fiore 11:d2e31743433a 169 return 0;
Mike Fiore 11:d2e31743433a 170 }
Mike Fiore 11:d2e31743433a 171