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Fork to see if I can get working
Dependencies: BufferedSerial OneWire WinbondSPIFlash libxDot-dev-mbed5-deprecated
Fork of xDotBridge_update_test20180823 by
xDotBridge/src/main.cpp@27:6b68ff715ae1, 2017-01-04 (annotated)
- Committer:
- Matt Briggs
- Date:
- Wed Jan 04 17:05:32 2017 -0700
- Revision:
- 27:6b68ff715ae1
- Parent:
- 26:9411b26a5084
- Child:
- 28:b14b2926e916
Close to time accurate brute protocol
Who changed what in which revision?
User | Revision | Line number | New 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" |
Matt Briggs | 26:9411b26a5084 | 4 | #include <math.h> |
Mike Fiore |
11:d2e31743433a | 5 | |
Matt Briggs | 22:9453658b8d4b | 6 | |
mfiore | 17:d4f82e16de5f | 7 | ///////////////////////////////////////////////////////////////////////////// |
mfiore | 17:d4f82e16de5f | 8 | // -------------------- DOT LIBRARY REQUIRED ------------------------------// |
mfiore | 17:d4f82e16de5f | 9 | // * Because these example programs can be used for both mDot and xDot // |
mfiore | 17:d4f82e16de5f | 10 | // devices, the LoRa stack is not included. The libmDot library should // |
mfiore | 17:d4f82e16de5f | 11 | // be imported if building for mDot devices. The libxDot library // |
mfiore | 17:d4f82e16de5f | 12 | // should be imported if building for xDot devices. // |
mfiore | 17:d4f82e16de5f | 13 | // * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/ // |
mfiore | 17:d4f82e16de5f | 14 | // * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/ // |
mfiore | 17:d4f82e16de5f | 15 | // * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/ // |
mfiore | 17:d4f82e16de5f | 16 | // * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/ // |
mfiore | 17:d4f82e16de5f | 17 | ///////////////////////////////////////////////////////////////////////////// |
mfiore | 17:d4f82e16de5f | 18 | |
Mike Fiore |
11:d2e31743433a | 19 | ///////////////////////////////////////////////////////////// |
Mike Fiore |
11:d2e31743433a | 20 | // * these options must match between the two devices in // |
Mike Fiore |
11:d2e31743433a | 21 | // order for communication to be successful |
Mike Fiore |
11:d2e31743433a | 22 | ///////////////////////////////////////////////////////////// |
Mike Fiore |
11:d2e31743433a | 23 | static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 }; |
Mike Fiore |
11:d2e31743433a | 24 | 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 | 25 | 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 | 26 | |
Matt Briggs | 26:9411b26a5084 | 27 | // wireless bridge protocol |
Matt Briggs | 26:9411b26a5084 | 28 | //const float dutyCycle = 0.01; // 1% |
Matt Briggs | 27:6b68ff715ae1 | 29 | const float rxSleepTime = 2000; // ms (one second resolution, min 2 seconds) |
Matt Briggs | 26:9411b26a5084 | 30 | const uint8_t maxPayloadSize = 10; // Number of bytes (used for toa calcultion) |
Matt Briggs | 26:9411b26a5084 | 31 | |
Matt Briggs | 25:fea776239709 | 32 | DigitalOut led1(LED1); |
Mike Fiore |
11:d2e31743433a | 33 | mDot* dot = NULL; |
Mike Fiore |
11:d2e31743433a | 34 | |
Mike Fiore |
11:d2e31743433a | 35 | Serial pc(USBTX, USBRX); |
Mike Fiore |
11:d2e31743433a | 36 | |
Matt Briggs | 27:6b68ff715ae1 | 37 | //Ticker t; |
Matt Briggs | 27:6b68ff715ae1 | 38 | // |
Matt Briggs | 27:6b68ff715ae1 | 39 | //class RxHandler { |
Matt Briggs | 27:6b68ff715ae1 | 40 | // private: |
Matt Briggs | 27:6b68ff715ae1 | 41 | // uint m_dwnLink; |
Matt Briggs | 27:6b68ff715ae1 | 42 | // mDot *m_dot; |
Matt Briggs | 27:6b68ff715ae1 | 43 | // public: |
Matt Briggs | 27:6b68ff715ae1 | 44 | // RxHandler (mDot *dot) { |
Matt Briggs | 27:6b68ff715ae1 | 45 | // m_dot = dot; |
Matt Briggs | 27:6b68ff715ae1 | 46 | // m_dwnLink = dot->getDownLinkCounter(); |
Matt Briggs | 27:6b68ff715ae1 | 47 | // } |
Matt Briggs | 27:6b68ff715ae1 | 48 | // void listen() { |
Matt Briggs | 27:6b68ff715ae1 | 49 | // std::vector<uint8_t> data; |
Matt Briggs | 27:6b68ff715ae1 | 50 | // led1 = 1; // FIXME |
Matt Briggs | 27:6b68ff715ae1 | 51 | // logInfo("Listening for new message current DLC: %d, time: %lu", m_dwnLink, us_ticker_read()); |
Matt Briggs | 27:6b68ff715ae1 | 52 | // wait(0.060); // Wait twice the time on air |
Matt Briggs | 27:6b68ff715ae1 | 53 | // if (m_dwnLink < dot->getDownLinkCounter()) { |
Matt Briggs | 27:6b68ff715ae1 | 54 | // m_dwnLink = dot->getDownLinkCounter(); |
Matt Briggs | 27:6b68ff715ae1 | 55 | // m_dot->recv(data); |
Matt Briggs | 27:6b68ff715ae1 | 56 | // std::string dataStr(data.begin(), data.end()); |
Matt Briggs | 27:6b68ff715ae1 | 57 | // logInfo("Got msg num: -, payload: %s", dataStr.c_str()); |
Matt Briggs | 27:6b68ff715ae1 | 58 | // wait(0.5); |
Matt Briggs | 27:6b68ff715ae1 | 59 | // } |
Matt Briggs | 27:6b68ff715ae1 | 60 | // led1=0; |
Matt Briggs | 27:6b68ff715ae1 | 61 | // } |
Matt Briggs | 27:6b68ff715ae1 | 62 | //}; |
Matt Briggs | 27:6b68ff715ae1 | 63 | |
Mike Fiore |
11:d2e31743433a | 64 | int main() { |
Mike Fiore |
14:19fae4509473 | 65 | // Custom event handler for automatically displaying RX data |
Mike Fiore |
11:d2e31743433a | 66 | RadioEvent events; |
Mike Fiore |
11:d2e31743433a | 67 | uint32_t tx_frequency; |
Mike Fiore |
11:d2e31743433a | 68 | uint8_t tx_datarate; |
Mike Fiore |
11:d2e31743433a | 69 | uint8_t tx_power; |
Mike Fiore |
11:d2e31743433a | 70 | uint8_t frequency_band; |
Mike Fiore |
11:d2e31743433a | 71 | |
Mike Fiore |
11:d2e31743433a | 72 | pc.baud(115200); |
Mike Fiore |
11:d2e31743433a | 73 | |
Matt Briggs | 27:6b68ff715ae1 | 74 | mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL); |
Mike Fiore |
11:d2e31743433a | 75 | |
Mike Fiore |
11:d2e31743433a | 76 | dot = mDot::getInstance(); |
Mike Fiore |
11:d2e31743433a | 77 | |
Mike Fiore |
16:a3832552dfe1 | 78 | logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION); |
Mike Fiore |
16:a3832552dfe1 | 79 | |
Mike Fiore |
12:ec9768677cea | 80 | // start from a well-known state |
Mike Fiore |
12:ec9768677cea | 81 | logInfo("defaulting Dot configuration"); |
Mike Fiore |
12:ec9768677cea | 82 | dot->resetConfig(); |
Mike Fiore |
12:ec9768677cea | 83 | |
Mike Fiore |
11:d2e31743433a | 84 | // make sure library logging is turned on |
Matt Briggs | 27:6b68ff715ae1 | 85 | dot->setLogLevel(mts::MTSLog::INFO_LEVEL); |
Mike Fiore |
11:d2e31743433a | 86 | |
Mike Fiore |
11:d2e31743433a | 87 | // attach the custom events handler |
Mike Fiore |
11:d2e31743433a | 88 | dot->setEvents(&events); |
Mike Fiore |
11:d2e31743433a | 89 | |
Mike Fiore |
11:d2e31743433a | 90 | // update configuration if necessary |
Mike Fiore |
11:d2e31743433a | 91 | if (dot->getJoinMode() != mDot::PEER_TO_PEER) { |
Mike Fiore |
11:d2e31743433a | 92 | logInfo("changing network join mode to PEER_TO_PEER"); |
Mike Fiore |
11:d2e31743433a | 93 | if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) { |
Mike Fiore |
11:d2e31743433a | 94 | logError("failed to set network join mode to PEER_TO_PEER"); |
Mike Fiore |
11:d2e31743433a | 95 | } |
Mike Fiore |
11:d2e31743433a | 96 | } |
Mike Fiore |
11:d2e31743433a | 97 | frequency_band = dot->getFrequencyBand(); |
Mike Fiore |
11:d2e31743433a | 98 | switch (frequency_band) { |
Mike Fiore |
11:d2e31743433a | 99 | case mDot::FB_EU868: |
Mike Fiore |
11:d2e31743433a | 100 | // 250kHz channels achieve higher throughput |
Mike Fiore |
11:d2e31743433a | 101 | // DR6 : SF7 @ 250kHz |
Mike Fiore |
11:d2e31743433a | 102 | // DR0 - DR5 (125kHz channels) available but much slower |
Mike Fiore |
11:d2e31743433a | 103 | tx_frequency = 869850000; |
Mike Fiore |
11:d2e31743433a | 104 | tx_datarate = mDot::DR6; |
Mike Fiore |
11:d2e31743433a | 105 | // 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 | 106 | tx_power = 4; |
Mike Fiore |
11:d2e31743433a | 107 | break; |
Mike Fiore |
11:d2e31743433a | 108 | case mDot::FB_US915: |
Mike Fiore |
11:d2e31743433a | 109 | case mDot::FB_AU915: |
Mike Fiore |
11:d2e31743433a | 110 | default: |
Mike Fiore |
11:d2e31743433a | 111 | // 500kHz channels achieve highest throughput |
Mike Fiore |
11:d2e31743433a | 112 | // DR8 : SF12 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 113 | // DR9 : SF11 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 114 | // DR10 : SF10 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 115 | // DR11 : SF9 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 116 | // DR12 : SF8 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 117 | // DR13 : SF7 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 118 | // DR0 - DR3 (125kHz channels) available but much slower |
Mike Fiore |
11:d2e31743433a | 119 | tx_frequency = 915500000; |
Mike Fiore |
11:d2e31743433a | 120 | tx_datarate = mDot::DR13; |
Mike Fiore |
11:d2e31743433a | 121 | // 915 bands have no duty cycle restrictions, set tx power to max |
Mike Fiore |
11:d2e31743433a | 122 | tx_power = 20; |
Mike Fiore |
11:d2e31743433a | 123 | break; |
Mike Fiore |
11:d2e31743433a | 124 | } |
Mike Fiore |
11:d2e31743433a | 125 | // in PEER_TO_PEER mode there is no join request/response transaction |
Mike Fiore |
11:d2e31743433a | 126 | // as long as both Dots are configured correctly, they should be able to communicate |
Mike Fiore |
11:d2e31743433a | 127 | update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power); |
Mike Fiore |
11:d2e31743433a | 128 | |
Matt Briggs | 24:fdf87e4b72e5 | 129 | |
Matt Briggs | 24:fdf87e4b72e5 | 130 | unsigned int wakeMode; |
Matt Briggs | 26:9411b26a5084 | 131 | |
Matt Briggs | 24:fdf87e4b72e5 | 132 | /////////////////////////////// |
Matt Briggs | 24:fdf87e4b72e5 | 133 | // Transmitter Configuration // |
Matt Briggs | 24:fdf87e4b72e5 | 134 | /////////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 135 | #if BRIDGE_TX_BRUTE |
Matt Briggs | 24:fdf87e4b72e5 | 136 | wakeMode = mDot::INTERRUPT; |
Matt Briggs | 24:fdf87e4b72e5 | 137 | #endif |
Matt Briggs | 24:fdf87e4b72e5 | 138 | |
Matt Briggs | 24:fdf87e4b72e5 | 139 | //////////////////////////// |
Matt Briggs | 24:fdf87e4b72e5 | 140 | // Receiver Configuration // |
Matt Briggs | 24:fdf87e4b72e5 | 141 | //////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 142 | #if BRIDGE_RX_BRUTE |
Matt Briggs | 24:fdf87e4b72e5 | 143 | wakeMode = mDot::RTC_ALARM_OR_INTERRUPT; |
Matt Briggs | 24:fdf87e4b72e5 | 144 | #endif |
Matt Briggs | 24:fdf87e4b72e5 | 145 | |
Matt Briggs | 24:fdf87e4b72e5 | 146 | // Common Configuration |
Matt Briggs | 25:fea776239709 | 147 | dot->setWakePin(WAKE); // Use the wake pin as sleep interrupt |
Matt Briggs | 25:fea776239709 | 148 | dot->setClass("C"); // Set class C |
Matt Briggs | 25:fea776239709 | 149 | dot->setAck(0); // Disable Ack |
Matt Briggs | 24:fdf87e4b72e5 | 150 | |
Mike Fiore |
11:d2e31743433a | 151 | // save changes to configuration |
Mike Fiore |
11:d2e31743433a | 152 | logInfo("saving configuration"); |
Mike Fiore |
11:d2e31743433a | 153 | if (!dot->saveConfig()) { |
Mike Fiore |
11:d2e31743433a | 154 | logError("failed to save configuration"); |
Mike Fiore |
11:d2e31743433a | 155 | } |
Mike Fiore |
11:d2e31743433a | 156 | |
Mike Fiore |
11:d2e31743433a | 157 | // display configuration |
Mike Fiore |
11:d2e31743433a | 158 | display_config(); |
Mike Fiore |
11:d2e31743433a | 159 | |
Matt Briggs | 26:9411b26a5084 | 160 | |
Matt Briggs | 27:6b68ff715ae1 | 161 | uint32_t txTime = 30; // in ms |
Matt Briggs | 27:6b68ff715ae1 | 162 | unsigned int nTimesToTx = ceil(rxSleepTime / ((float)txTime)); |
Matt Briggs | 27:6b68ff715ae1 | 163 | logInfo("rxSleepTime %f, timeOnAir %lu, nTimesToTx %lu", rxSleepTime, txTime, nTimesToTx); |
Matt Briggs | 26:9411b26a5084 | 164 | |
mbriggs_vortex | 23:4ed894108882 | 165 | uint16_t seqNum=0; |
Matt Briggs | 26:9411b26a5084 | 166 | uint32_t cDwnLink = dot->getDownLinkCounter(); |
Mike Fiore |
11:d2e31743433a | 167 | while (true) { |
Matt Briggs | 25:fea776239709 | 168 | std::vector<uint8_t> data; |
Matt Briggs | 25:fea776239709 | 169 | led1=0; |
Mike Fiore |
11:d2e31743433a | 170 | |
Mike Fiore |
11:d2e31743433a | 171 | // join network if not joined |
Mike Fiore |
11:d2e31743433a | 172 | if (!dot->getNetworkJoinStatus()) { |
Mike Fiore |
11:d2e31743433a | 173 | join_network(); |
Mike Fiore |
11:d2e31743433a | 174 | } |
Mike Fiore |
11:d2e31743433a | 175 | |
Matt Briggs | 27:6b68ff715ae1 | 176 | ////////////////////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 177 | // Brute Protocol Transmitter main loop // |
Matt Briggs | 27:6b68ff715ae1 | 178 | ////////////////////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 179 | #if BRIDGE_TX_BRUTE |
Matt Briggs | 26:9411b26a5084 | 180 | led1=1; |
Matt Briggs | 25:fea776239709 | 181 | data.push_back((seqNum >> 8) & 0xFF); |
Matt Briggs | 25:fea776239709 | 182 | data.push_back(seqNum & 0xFF); |
Matt Briggs | 27:6b68ff715ae1 | 183 | logInfo("Starting TX. Time: %lu, seqNum: %lu", us_ticker_read(), seqNum); |
Matt Briggs | 26:9411b26a5084 | 184 | for(uint i=0;i<nTimesToTx;++i) { |
Matt Briggs | 27:6b68ff715ae1 | 185 | dot->send(data); |
Matt Briggs | 26:9411b26a5084 | 186 | } |
mbriggs_vortex | 23:4ed894108882 | 187 | seqNum++; |
Matt Briggs | 25:fea776239709 | 188 | led1=0; |
Matt Briggs | 27:6b68ff715ae1 | 189 | logInfo("Finished TX. Time: %lu", us_ticker_read()); |
mbriggs_vortex | 23:4ed894108882 | 190 | |
Matt Briggs | 27:6b68ff715ae1 | 191 | // TODO add GPIO low power stuff here |
Matt Briggs | 24:fdf87e4b72e5 | 192 | dot->sleep(0, wakeMode, false); // Go to sleep until wake button |
Matt Briggs | 24:fdf87e4b72e5 | 193 | #endif |
Matt Briggs | 27:6b68ff715ae1 | 194 | |
Matt Briggs | 27:6b68ff715ae1 | 195 | /////////////////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 196 | // Brute Protocol Receiver main loop // |
Matt Briggs | 27:6b68ff715ae1 | 197 | /////////////////////////////////////// |
Matt Briggs | 27:6b68ff715ae1 | 198 | |
Matt Briggs | 27:6b68ff715ae1 | 199 | #if BRIDGE_RX_BRUTE |
Matt Briggs | 27:6b68ff715ae1 | 200 | logInfo("Waiting for new message current DLC: %d, Time %d", cDwnLink, us_ticker_read()); |
Matt Briggs | 27:6b68ff715ae1 | 201 | wait(txTime*2.0/1000.0); // Wait twice the txTime |
Matt Briggs | 26:9411b26a5084 | 202 | if (cDwnLink < dot->getDownLinkCounter()) { |
Matt Briggs | 26:9411b26a5084 | 203 | led1 = 1; |
Matt Briggs | 26:9411b26a5084 | 204 | cDwnLink = dot->getDownLinkCounter(); |
Matt Briggs | 26:9411b26a5084 | 205 | dot->recv(data); |
Matt Briggs | 26:9411b26a5084 | 206 | std::string dataStr(data.begin(), data.end()); |
Matt Briggs | 26:9411b26a5084 | 207 | logInfo("Got msg num: %d, payload: %s", seqNum, dataStr.c_str()); |
Matt Briggs | 26:9411b26a5084 | 208 | seqNum++; |
Matt Briggs | 26:9411b26a5084 | 209 | wait(0.5); |
Matt Briggs | 25:fea776239709 | 210 | } |
Matt Briggs | 26:9411b26a5084 | 211 | led1=0; |
Matt Briggs | 27:6b68ff715ae1 | 212 | logInfo("Sleeping. Time %d", us_ticker_read()); |
Matt Briggs | 26:9411b26a5084 | 213 | dot->sleep(2, wakeMode, false); // Go to sleep until wake button |
Matt Briggs | 25:fea776239709 | 214 | #endif |
Matt Briggs | 27:6b68ff715ae1 | 215 | // // Idea to Setup Ticker |
Matt Briggs | 27:6b68ff715ae1 | 216 | // RxHandler rxHandler(dot); |
Matt Briggs | 27:6b68ff715ae1 | 217 | // t.attach(&rxHandler, &RxHandler::listen, 1.5); |
Matt Briggs | 27:6b68ff715ae1 | 218 | // wait(5.0); |
Matt Briggs | 27:6b68ff715ae1 | 219 | // while (true) { |
Matt Briggs | 27:6b68ff715ae1 | 220 | // dot->sleep(0, wakeMode, false); // Go to sleep until wake button |
Matt Briggs | 27:6b68ff715ae1 | 221 | // //sleep(); |
Matt Briggs | 27:6b68ff715ae1 | 222 | // } |
Mike Fiore |
11:d2e31743433a | 223 | } |
Mike Fiore |
11:d2e31743433a | 224 | |
Mike Fiore |
11:d2e31743433a | 225 | return 0; |
Mike Fiore |
11:d2e31743433a | 226 | } |
Mike Fiore |
11:d2e31743433a | 227 | |
Matt Briggs | 27:6b68ff715ae1 | 228 |