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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
- Committer:
- Matt Briggs
- Date:
- 2017-01-04
- Revision:
- 26:9411b26a5084
- Parent:
- 25:fea776239709
- Child:
- 27:6b68ff715ae1
File content as of revision 26:9411b26a5084:
#include "config.h" #include "dot_util.h" #include "RadioEvent.h" #include <math.h> ///////////////////////////////////////////////////////////////////////////// // -------------------- DOT LIBRARY REQUIRED ------------------------------// // * Because these example programs can be used for both mDot and xDot // // devices, the LoRa stack is not included. The libmDot library should // // be imported if building for mDot devices. The libxDot library // // should be imported if building for xDot devices. // // * https://developer.mbed.org/teams/MultiTech/code/libmDot-dev-mbed5/ // // * https://developer.mbed.org/teams/MultiTech/code/libmDot-mbed5/ // // * https://developer.mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/ // // * https://developer.mbed.org/teams/MultiTech/code/libxDot-mbed5/ // ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////// // * these options must match between the two devices in // // order for communication to be successful ///////////////////////////////////////////////////////////// static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 }; static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 }; static uint8_t data_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 }; // wireless bridge protocol //const float dutyCycle = 0.01; // 1% const float rxSleepTime = 2000; // ms const uint8_t maxPayloadSize = 10; // Number of bytes (used for toa calcultion) DigitalOut led1(LED1); mDot* dot = NULL; Serial pc(USBTX, USBRX); int main() { // Custom event handler for automatically displaying RX data RadioEvent events; uint32_t tx_frequency; uint8_t tx_datarate; uint8_t tx_power; uint8_t frequency_band; pc.baud(115200); mts::MTSLog::setLogLevel(mts::MTSLog::WARNING_LEVEL); dot = mDot::getInstance(); logInfo("mbed-os library version: %d", MBED_LIBRARY_VERSION); // start from a well-known state logInfo("defaulting Dot configuration"); dot->resetConfig(); // make sure library logging is turned on dot->setLogLevel(mts::MTSLog::WARNING_LEVEL); // attach the custom events handler dot->setEvents(&events); // update configuration if necessary if (dot->getJoinMode() != mDot::PEER_TO_PEER) { logInfo("changing network join mode to PEER_TO_PEER"); if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) { logError("failed to set network join mode to PEER_TO_PEER"); } } frequency_band = dot->getFrequencyBand(); switch (frequency_band) { case mDot::FB_EU868: // 250kHz channels achieve higher throughput // DR6 : SF7 @ 250kHz // DR0 - DR5 (125kHz channels) available but much slower tx_frequency = 869850000; tx_datarate = mDot::DR6; // the 869850000 frequency is 100% duty cycle if the total power is under 7 dBm - tx power 4 + antenna gain 3 = 7 tx_power = 4; break; case mDot::FB_US915: case mDot::FB_AU915: default: // 500kHz channels achieve highest throughput // DR8 : SF12 @ 500kHz // DR9 : SF11 @ 500kHz // DR10 : SF10 @ 500kHz // DR11 : SF9 @ 500kHz // DR12 : SF8 @ 500kHz // DR13 : SF7 @ 500kHz // DR0 - DR3 (125kHz channels) available but much slower tx_frequency = 915500000; tx_datarate = mDot::DR13; // 915 bands have no duty cycle restrictions, set tx power to max tx_power = 20; break; } // in PEER_TO_PEER mode there is no join request/response transaction // as long as both Dots are configured correctly, they should be able to communicate update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power); unsigned int wakeMode; /////////////////////////////// // Transmitter Configuration // /////////////////////////////// #if BRIDGE_TX wakeMode = mDot::INTERRUPT; #endif //////////////////////////// // Receiver Configuration // //////////////////////////// #if BRIDGE_RX wakeMode = mDot::RTC_ALARM_OR_INTERRUPT; #endif // Common Configuration dot->setWakePin(WAKE); // Use the wake pin as sleep interrupt dot->setClass("C"); // Set class C dot->setAck(0); // Disable Ack // save changes to configuration logInfo("saving configuration"); if (!dot->saveConfig()) { logError("failed to save configuration"); } // display configuration display_config(); uint32_t timeOnAir = dot->getTimeOnAir(maxPayloadSize); unsigned int nTimesToTx = ceil(rxSleepTime / ((float)timeOnAir)); logInfo("rxSleepTime %f, timeOnAir %f, nTimesToTx %d", rxSleepTime, (float) timeOnAir, nTimesToTx); uint16_t seqNum=0; uint32_t cDwnLink = dot->getDownLinkCounter(); while (true) { std::vector<uint8_t> data; led1=0; /////////////////////////// // Transmitter main loop // /////////////////////////// #if BRIDGE_TX // join network if not joined if (!dot->getNetworkJoinStatus()) { join_network(); } logError("Time: %lu", us_ticker_read()); led1=1; data.push_back((seqNum >> 8) & 0xFF); data.push_back(seqNum & 0xFF); logInfo("seqNum: %lu", seqNum); for(uint i=0;i<nTimesToTx;++i) { send_data(data); } seqNum++; //wait(0.5); led1=0; logError("Time: %lu", us_ticker_read()); dot->sleep(0, wakeMode, false); // Go to sleep until wake button #endif #if BRIDGE_RX logInfo("Waiting for new message current DLC: %d", cDwnLink); // For Class C device type // while (cDwnLink >= dot->getDownLinkCounter()) { // wait(0.1); // } wait(timeOnAir*2.0/1000.0); // Wait twice the time on air if (cDwnLink < dot->getDownLinkCounter()) { led1 = 1; cDwnLink = dot->getDownLinkCounter(); dot->recv(data); std::string dataStr(data.begin(), data.end()); logInfo("Got msg num: %d, payload: %s", seqNum, dataStr.c_str()); seqNum++; wait(0.5); } led1=0; dot->sleep(2, wakeMode, false); // Go to sleep until wake button #endif } return 0; }