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@23:4ed894108882, 2016-12-30 (annotated)

Committer:
mbriggs_vortex
Date:
Fri Dec 30 19:10:41 2016 +0000
Revision:
23:4ed894108882
Parent:
22:9453658b8d4b
Child:
24:fdf87e4b72e5
Started playing with transmitter side

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
Mike Fiore 11:d2e31743433a 26 mDot* dot = NULL;
Mike Fiore 11:d2e31743433a 27
Mike Fiore 11:d2e31743433a 28 Serial pc(USBTX, USBRX);
Mike Fiore 11:d2e31743433a 29
Mike Fiore 11:d2e31743433a 30 int main() {
Mike Fiore 14:19fae4509473 31 // Custom event handler for automatically displaying RX data
Mike Fiore 11:d2e31743433a 32 RadioEvent events;
Mike Fiore 11:d2e31743433a 33 uint32_t tx_frequency;
Mike Fiore 11:d2e31743433a 34 uint8_t tx_datarate;
Mike Fiore 11:d2e31743433a 35 uint8_t tx_power;
Mike Fiore 11:d2e31743433a 36 uint8_t frequency_band;
Mike Fiore 11:d2e31743433a 37
Mike Fiore 11:d2e31743433a 38 pc.baud(115200);
Mike Fiore 11:d2e31743433a 39
Mike Fiore 11:d2e31743433a 40 mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
Mike Fiore 11:d2e31743433a 41
Mike Fiore 11:d2e31743433a 42 dot = mDot::getInstance();
Mike Fiore 11:d2e31743433a 43
Mike Fiore 16:a3832552dfe1 44 logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
Mike Fiore 16:a3832552dfe1 45
Mike Fiore 12:ec9768677cea 46 // start from a well-known state
Mike Fiore 12:ec9768677cea 47 logInfo("defaulting Dot configuration");
Mike Fiore 12:ec9768677cea 48 dot->resetConfig();
Mike Fiore 12:ec9768677cea 49
Mike Fiore 11:d2e31743433a 50 // make sure library logging is turned on
Mike Fiore 11:d2e31743433a 51 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
Mike Fiore 11:d2e31743433a 52
Mike Fiore 11:d2e31743433a 53 // attach the custom events handler
Mike Fiore 11:d2e31743433a 54 dot->setEvents(&events);
Mike Fiore 11:d2e31743433a 55
Mike Fiore 11:d2e31743433a 56 // update configuration if necessary
Mike Fiore 11:d2e31743433a 57 if (dot->getJoinMode() != mDot::PEER_TO_PEER) {
Mike Fiore 11:d2e31743433a 58 logInfo("changing network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 59 if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) {
Mike Fiore 11:d2e31743433a 60 logError("failed to set network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 61 }
Mike Fiore 11:d2e31743433a 62 }
Mike Fiore 11:d2e31743433a 63 frequency_band = dot->getFrequencyBand();
Mike Fiore 11:d2e31743433a 64 switch (frequency_band) {
Mike Fiore 11:d2e31743433a 65 case mDot::FB_EU868:
Mike Fiore 11:d2e31743433a 66 // 250kHz channels achieve higher throughput
Mike Fiore 11:d2e31743433a 67 // DR6 : SF7 @ 250kHz
Mike Fiore 11:d2e31743433a 68 // DR0 - DR5 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 69 tx_frequency = 869850000;
Mike Fiore 11:d2e31743433a 70 tx_datarate = mDot::DR6;
Mike Fiore 11:d2e31743433a 71 // 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 72 tx_power = 4;
Mike Fiore 11:d2e31743433a 73 break;
Mike Fiore 11:d2e31743433a 74 case mDot::FB_US915:
Mike Fiore 11:d2e31743433a 75 case mDot::FB_AU915:
Mike Fiore 11:d2e31743433a 76 default:
Mike Fiore 11:d2e31743433a 77 // 500kHz channels achieve highest throughput
Mike Fiore 11:d2e31743433a 78 // DR8 : SF12 @ 500kHz
Mike Fiore 11:d2e31743433a 79 // DR9 : SF11 @ 500kHz
Mike Fiore 11:d2e31743433a 80 // DR10 : SF10 @ 500kHz
Mike Fiore 11:d2e31743433a 81 // DR11 : SF9 @ 500kHz
Mike Fiore 11:d2e31743433a 82 // DR12 : SF8 @ 500kHz
Mike Fiore 11:d2e31743433a 83 // DR13 : SF7 @ 500kHz
Mike Fiore 11:d2e31743433a 84 // DR0 - DR3 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 85 tx_frequency = 915500000;
Mike Fiore 11:d2e31743433a 86 tx_datarate = mDot::DR13;
Mike Fiore 11:d2e31743433a 87 // 915 bands have no duty cycle restrictions, set tx power to max
Mike Fiore 11:d2e31743433a 88 tx_power = 20;
Mike Fiore 11:d2e31743433a 89 break;
Mike Fiore 11:d2e31743433a 90 }
Mike Fiore 11:d2e31743433a 91 // in PEER_TO_PEER mode there is no join request/response transaction
Mike Fiore 11:d2e31743433a 92 // as long as both Dots are configured correctly, they should be able to communicate
Mike Fiore 11:d2e31743433a 93 update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power);
Mike Fiore 11:d2e31743433a 94
Mike Fiore 11:d2e31743433a 95 // save changes to configuration
Mike Fiore 11:d2e31743433a 96 logInfo("saving configuration");
Mike Fiore 11:d2e31743433a 97 if (!dot->saveConfig()) {
Mike Fiore 11:d2e31743433a 98 logError("failed to save configuration");
Mike Fiore 11:d2e31743433a 99 }
Mike Fiore 11:d2e31743433a 100
Mike Fiore 11:d2e31743433a 101 // display configuration
Mike Fiore 11:d2e31743433a 102 display_config();
Mike Fiore 11:d2e31743433a 103
mbriggs_vortex 23:4ed894108882 104 uint16_t seqNum=0;
Mike Fiore 11:d2e31743433a 105 while (true) {
Mike Fiore 11:d2e31743433a 106 std::vector<uint8_t> tx_data;
Mike Fiore 11:d2e31743433a 107
Mike Fiore 11:d2e31743433a 108 // join network if not joined
Mike Fiore 11:d2e31743433a 109 if (!dot->getNetworkJoinStatus()) {
Mike Fiore 11:d2e31743433a 110 join_network();
Mike Fiore 11:d2e31743433a 111 }
Mike Fiore 11:d2e31743433a 112
mbriggs_vortex 23:4ed894108882 113 tx_data.push_back((seqNum >> 8) & 0xFF);
mbriggs_vortex 23:4ed894108882 114 tx_data.push_back(seqNum & 0xFF);
mbriggs_vortex 23:4ed894108882 115 logInfo("seqNum: %lu", seqNum);
Mike Fiore 11:d2e31743433a 116 send_data(tx_data);
mbriggs_vortex 23:4ed894108882 117 seqNum++;
mbriggs_vortex 23:4ed894108882 118
mbriggs_vortex 23:4ed894108882 119
mbriggs_vortex 23:4ed894108882 120 dot->sleep();
Mike Fiore 11:d2e31743433a 121 }
Mike Fiore 11:d2e31743433a 122
Mike Fiore 11:d2e31743433a 123 return 0;
Mike Fiore 11:d2e31743433a 124 }
Mike Fiore 11:d2e31743433a 125