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@21:4be85f9c7dc7, 2016-12-30 (annotated)

Committer:
Matt Briggs
Date:
Fri Dec 30 09:32:05 2016 -0700
Revision:
21:4be85f9c7dc7
Parent:
examples/src/peer_to_peer_example.cpp@19:75b28b4117cc
Child:
22:9453658b8d4b
Rename and move files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mike Fiore 11:d2e31743433a 1 #include "dot_util.h"
Mike Fiore 14:19fae4509473 2 #include "RadioEvent.h"
Mike Fiore 11:d2e31743433a 3
mfiore 17:d4f82e16de5f 4 /////////////////////////////////////////////////////////////////////////////
mfiore 17:d4f82e16de5f 5 // -------------------- DOT LIBRARY REQUIRED ------------------------------//
mfiore 17:d4f82e16de5f 6 // * Because these example programs can be used for both mDot and xDot //
mfiore 17:d4f82e16de5f 7 // devices, the LoRa stack is not included. The libmDot library should //
mfiore 17:d4f82e16de5f 8 // be imported if building for mDot devices. The libxDot library //
mfiore 17:d4f82e16de5f 9 // should be imported if building for xDot devices. //
mfiore 17:d4f82e16de5f 10 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/ //
mfiore 17:d4f82e16de5f 11 // * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/ //
mfiore 17:d4f82e16de5f 12 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/ //
mfiore 17:d4f82e16de5f 13 // * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/ //
mfiore 17:d4f82e16de5f 14 /////////////////////////////////////////////////////////////////////////////
mfiore 17:d4f82e16de5f 15
Mike Fiore 11:d2e31743433a 16 /////////////////////////////////////////////////////////////
Mike Fiore 11:d2e31743433a 17 // * these options must match between the two devices in //
Mike Fiore 11:d2e31743433a 18 // order for communication to be successful
Mike Fiore 11:d2e31743433a 19 /////////////////////////////////////////////////////////////
Mike Fiore 11:d2e31743433a 20 static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 };
Mike Fiore 11:d2e31743433a 21 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 22 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 23
Mike Fiore 11:d2e31743433a 24 mDot* dot = NULL;
Mike Fiore 11:d2e31743433a 25
Mike Fiore 11:d2e31743433a 26 Serial pc(USBTX, USBRX);
Mike Fiore 11:d2e31743433a 27
Mike Fiore 11:d2e31743433a 28 #if defined(TARGET_XDOT_L151CC)
Mike Fiore 11:d2e31743433a 29 I2C i2c(I2C_SDA, I2C_SCL);
Mike Fiore 11:d2e31743433a 30 ISL29011 lux(i2c);
Mike Fiore 11:d2e31743433a 31 #else
Mike Fiore 11:d2e31743433a 32 AnalogIn lux(XBEE_AD0);
Mike Fiore 11:d2e31743433a 33 #endif
Mike Fiore 11:d2e31743433a 34
Mike Fiore 11:d2e31743433a 35 int main() {
Mike Fiore 14:19fae4509473 36 // Custom event handler for automatically displaying RX data
Mike Fiore 11:d2e31743433a 37 RadioEvent events;
Mike Fiore 11:d2e31743433a 38 uint32_t tx_frequency;
Mike Fiore 11:d2e31743433a 39 uint8_t tx_datarate;
Mike Fiore 11:d2e31743433a 40 uint8_t tx_power;
Mike Fiore 11:d2e31743433a 41 uint8_t frequency_band;
Mike Fiore 11:d2e31743433a 42
Mike Fiore 11:d2e31743433a 43 pc.baud(115200);
Mike Fiore 11:d2e31743433a 44
Mike Fiore 11:d2e31743433a 45 mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL);
Mike Fiore 11:d2e31743433a 46
Mike Fiore 11:d2e31743433a 47 dot = mDot::getInstance();
Mike Fiore 11:d2e31743433a 48
Mike Fiore 16:a3832552dfe1 49 logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION);
Mike Fiore 16:a3832552dfe1 50
Mike Fiore 12:ec9768677cea 51 // start from a well-known state
Mike Fiore 12:ec9768677cea 52 logInfo("defaulting Dot configuration");
Mike Fiore 12:ec9768677cea 53 dot->resetConfig();
Mike Fiore 12:ec9768677cea 54
Mike Fiore 11:d2e31743433a 55 // make sure library logging is turned on
Mike Fiore 11:d2e31743433a 56 dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
Mike Fiore 11:d2e31743433a 57
Mike Fiore 11:d2e31743433a 58 // attach the custom events handler
Mike Fiore 11:d2e31743433a 59 dot->setEvents(&events);
Mike Fiore 11:d2e31743433a 60
Mike Fiore 11:d2e31743433a 61 // update configuration if necessary
Mike Fiore 11:d2e31743433a 62 if (dot->getJoinMode() != mDot::PEER_TO_PEER) {
Mike Fiore 11:d2e31743433a 63 logInfo("changing network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 64 if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) {
Mike Fiore 11:d2e31743433a 65 logError("failed to set network join mode to PEER_TO_PEER");
Mike Fiore 11:d2e31743433a 66 }
Mike Fiore 11:d2e31743433a 67 }
Mike Fiore 11:d2e31743433a 68 frequency_band = dot->getFrequencyBand();
Mike Fiore 11:d2e31743433a 69 switch (frequency_band) {
Mike Fiore 11:d2e31743433a 70 case mDot::FB_EU868:
Mike Fiore 11:d2e31743433a 71 // 250kHz channels achieve higher throughput
Mike Fiore 11:d2e31743433a 72 // DR6 : SF7 @ 250kHz
Mike Fiore 11:d2e31743433a 73 // DR0 - DR5 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 74 tx_frequency = 869850000;
Mike Fiore 11:d2e31743433a 75 tx_datarate = mDot::DR6;
Mike Fiore 11:d2e31743433a 76 // 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 77 tx_power = 4;
Mike Fiore 11:d2e31743433a 78 break;
Mike Fiore 11:d2e31743433a 79 case mDot::FB_US915:
Mike Fiore 11:d2e31743433a 80 case mDot::FB_AU915:
Mike Fiore 11:d2e31743433a 81 default:
Mike Fiore 11:d2e31743433a 82 // 500kHz channels achieve highest throughput
Mike Fiore 11:d2e31743433a 83 // DR8 : SF12 @ 500kHz
Mike Fiore 11:d2e31743433a 84 // DR9 : SF11 @ 500kHz
Mike Fiore 11:d2e31743433a 85 // DR10 : SF10 @ 500kHz
Mike Fiore 11:d2e31743433a 86 // DR11 : SF9 @ 500kHz
Mike Fiore 11:d2e31743433a 87 // DR12 : SF8 @ 500kHz
Mike Fiore 11:d2e31743433a 88 // DR13 : SF7 @ 500kHz
Mike Fiore 11:d2e31743433a 89 // DR0 - DR3 (125kHz channels) available but much slower
Mike Fiore 11:d2e31743433a 90 tx_frequency = 915500000;
Mike Fiore 11:d2e31743433a 91 tx_datarate = mDot::DR13;
Mike Fiore 11:d2e31743433a 92 // 915 bands have no duty cycle restrictions, set tx power to max
Mike Fiore 11:d2e31743433a 93 tx_power = 20;
Mike Fiore 11:d2e31743433a 94 break;
Mike Fiore 11:d2e31743433a 95 }
Mike Fiore 11:d2e31743433a 96 // in PEER_TO_PEER mode there is no join request/response transaction
Mike Fiore 11:d2e31743433a 97 // as long as both Dots are configured correctly, they should be able to communicate
Mike Fiore 11:d2e31743433a 98 update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power);
Mike Fiore 11:d2e31743433a 99
Mike Fiore 11:d2e31743433a 100 // save changes to configuration
Mike Fiore 11:d2e31743433a 101 logInfo("saving configuration");
Mike Fiore 11:d2e31743433a 102 if (!dot->saveConfig()) {
Mike Fiore 11:d2e31743433a 103 logError("failed to save configuration");
Mike Fiore 11:d2e31743433a 104 }
Mike Fiore 11:d2e31743433a 105
Mike Fiore 11:d2e31743433a 106 // display configuration
Mike Fiore 11:d2e31743433a 107 display_config();
Mike Fiore 11:d2e31743433a 108
Mike Fiore 11:d2e31743433a 109 #if defined(TARGET_XDOT_L151CC)
Mike Fiore 11:d2e31743433a 110 // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range
Mike Fiore 11:d2e31743433a 111 lux.setMode(ISL29011::ALS_CONT);
Mike Fiore 11:d2e31743433a 112 lux.setResolution(ISL29011::ADC_16BIT);
Mike Fiore 11:d2e31743433a 113 lux.setRange(ISL29011::RNG_64000);
Mike Fiore 11:d2e31743433a 114 #endif
Mike Fiore 11:d2e31743433a 115
Mike Fiore 11:d2e31743433a 116 while (true) {
Mike Fiore 11:d2e31743433a 117 uint16_t light;
Mike Fiore 11:d2e31743433a 118 std::vector<uint8_t> tx_data;
Mike Fiore 11:d2e31743433a 119
Mike Fiore 11:d2e31743433a 120 // join network if not joined
Mike Fiore 11:d2e31743433a 121 if (!dot->getNetworkJoinStatus()) {
Mike Fiore 11:d2e31743433a 122 join_network();
Mike Fiore 11:d2e31743433a 123 }
Mike Fiore 11:d2e31743433a 124
Mike Fiore 11:d2e31743433a 125 #if defined(TARGET_XDOT_L151CC)
Mike Fiore 11:d2e31743433a 126 // get the latest light sample and send it to the gateway
Mike Fiore 11:d2e31743433a 127 light = lux.getData();
Mike Fiore 11:d2e31743433a 128 tx_data.push_back((light >> 8) & 0xFF);
Mike Fiore 11:d2e31743433a 129 tx_data.push_back(light & 0xFF);
Mike Fiore 11:d2e31743433a 130 logInfo("light: %lu [0x%04X]", light, light);
Mike Fiore 11:d2e31743433a 131 send_data(tx_data);
Mike Fiore 11:d2e31743433a 132 #else
Mike Fiore 11:d2e31743433a 133 // get some dummy data and send it to the gateway
Mike Fiore 11:d2e31743433a 134 light = lux.read_u16();
Mike Fiore 11:d2e31743433a 135 tx_data.push_back((light >> 8) & 0xFF);
Mike Fiore 11:d2e31743433a 136 tx_data.push_back(light & 0xFF);
Mike Fiore 11:d2e31743433a 137 logInfo("light: %lu [0x%04X]", light, light);
Mike Fiore 11:d2e31743433a 138 send_data(tx_data);
Mike Fiore 11:d2e31743433a 139 #endif
Mike Fiore 11:d2e31743433a 140
Mike Fiore 11:d2e31743433a 141 // the Dot can't sleep in PEER_TO_PEER mode
Mike Fiore 11:d2e31743433a 142 // it must be waiting for data from the other Dot
Mike Fiore 11:d2e31743433a 143 // send data every 5 seconds
Mike Fiore 11:d2e31743433a 144 logInfo("waiting for 5s");
Mike Fiore 11:d2e31743433a 145 wait(5);
Mike Fiore 11:d2e31743433a 146 }
Mike Fiore 11:d2e31743433a 147
Mike Fiore 11:d2e31743433a 148 return 0;
Mike Fiore 11:d2e31743433a 149 }
Mike Fiore 11:d2e31743433a 150