Using the mDot to receive data.
Dependencies: libmDot-dev-mbed5-deprecated ISL29011
Fork of mdot-examples by
receive_main.cpp
- Committer:
- SDesign2018
- Date:
- 2018-03-29
- Revision:
- 2:b44a9032fcc5
- Child:
- 3:6bd9904f6c3e
File content as of revision 2:b44a9032fcc5:
/* 3/27/2018 mdot version 3.1.0, mbed version 5.7.4 */ #include "dot_util.h" #include "RadioEvent.h" #include <string.h> #if ACTIVE_EXAMPLE == PEER_TO_PEER_EXAMPLE ///////////////////////////////////////////////////////////////////////////// // -------------------- 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[] = { 0x00, 0x11, 0x22, 0x33 }; static uint8_t network_session_key[] = { 0x00, 0x11, 0x22, 0x33, 0x00, 0x11, 0x22, 0x33, 0x00, 0x11, 0x22, 0x33, 0x00, 0x11, 0x22, 0x33 }; static uint8_t data_session_key[] = { 0x33, 0x22, 0x11, 0x00, 0x33, 0x22, 0x11, 0x00, 0x33, 0x22, 0x11, 0x00, 0x33, 0x22, 0x11, 0x00 }; mDot* dot = NULL; lora::ChannelPlan* plan = NULL; Serial pc(USBTX, USBRX); #if defined(TARGET_XDOT_L151CC) I2C i2c(I2C_SDA, I2C_SCL); ISL29011 lux(i2c); #else AnalogIn lux(XBEE_AD0); #endif class myEvent : public mDotEvent { public: myEvent() {} virtual ~myEvent() { } /*! * MAC layer event callback prototype. * * \param [IN] flags Bit field indicating the MAC events occurred * \param [IN] info Details about MAC events occurred */ virtual void MacEvent(LoRaMacEventFlags* flags, LoRaMacEventInfo* info) { if (flags->Bits.Rx) { //logDebug("Rx %d bytes", info->RxBufferSize); if (info->RxBufferSize > 0) { int it = 0; std::string whatData = ""; int whereDataTypeFlag = 0; std::string s_temperature = ""; std::string s_XData = ""; std::string s_YData = ""; std::string s_ZData = ""; std::string data = mts::Text::bin2hexString(info->RxBuffer, info->RxBufferSize).c_str(); // print RX data as string and hexadecimal std::string rx((const char*)info->RxBuffer, info->RxBufferSize); pc.printf("Receive data: %s [%s]\r\n", rx.c_str(), data); pc.printf("Data is of length: %d\n\r", data.length()); whereDataTypeFlag = data.find("01"); s_temperature = data.substr(whereDataTypeFlag + 2, 4); whereDataTypeFlag = data.find("02"); s_XData = data.substr(whereDataTypeFlag + 2, 4); whereDataTypeFlag = data.find("03"); s_YData = data.substr(whereDataTypeFlag + 2, 4); whereDataTypeFlag = data.find("04"); s_ZData = data.substr(whereDataTypeFlag + 2, 4); pc.printf("Temperature is: %s\n\r", s_temperature); pc.printf("X: %s \n\r", s_XData); pc.printf("Y: %s \n\r", s_YData); pc.printf("Z: %s \n\r", s_ZData); /*for(; it < 2; it++) { whatData = strcat(whatData,data[it]) } pc.printf("%s is the first 2 numbers\n\r", whatData);*/ } } } }; int main() { // Custom event handler for automatically displaying RX data //RadioEvent events; myEvent _event; uint32_t tx_frequency; uint8_t tx_datarate; uint8_t tx_power; uint8_t frequency_band; uint32_t receiveStatus; pc.baud(115200); mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL); plan = new lora::ChannelPlan_US915(); logInfo("Now asserting"); assert(plan); dot = mDot::getInstance(plan); assert(dot); 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::INFO_LEVEL); // attach the custom events handler //dot->setEvents(&events); dot->setEvents(&_event); // 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 lora::ChannelPlan::EU868_OLD: case lora::ChannelPlan::EU868: // 250kHz channels achieve higher throughput // DR_6 : SF7 @ 250kHz // DR_0 - DR_5 (125kHz channels) available but much slower tx_frequency = 869850000; tx_datarate = lora::DR_6; // 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 lora::ChannelPlan::US915_OLD: case lora::ChannelPlan::US915: case lora::ChannelPlan::AU915_OLD: case lora::ChannelPlan::AU915: // 500kHz channels achieve highest throughput // DR_8 : SF12 @ 500kHz // DR_9 : SF11 @ 500kHz // DR_10 : SF10 @ 500kHz // DR_11 : SF9 @ 500kHz // DR_12 : SF8 @ 500kHz // DR_13 : SF7 @ 500kHz // DR_0 - DR_3 (125kHz channels) available but much slower tx_frequency = 915500000; tx_datarate = lora::DR_13; // 915 bands have no duty cycle restrictions, set tx power to max tx_power = 20; break; case lora::ChannelPlan::AS923: case lora::ChannelPlan::AS923_JAPAN: // 250kHz channels achieve higher throughput // DR_6 : SF7 @ 250kHz // DR_0 - DR_5 (125kHz channels) available but much slower tx_frequency = 924800000; tx_datarate = lora::DR_6; tx_power = 16; break; case lora::ChannelPlan::KR920: // DR_5 : SF7 @ 125kHz tx_frequency = 922700000; tx_datarate = lora::DR_5; tx_power = 14; break; default: while (true) { logFatal("no known channel plan in use - extra configuration is needed!"); wait(5); } 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); // save changes to configuration logInfo("saving configuration"); if (!dot->saveConfig()) { logError("failed to save configuration"); } // display configuration display_config(); // //#if defined(TARGET_XDOT_L151CC) // // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range // lux.setMode(ISL29011::ALS_CONT); // lux.setResolution(ISL29011::ADC_16BIT); // lux.setRange(ISL29011::RNG_64000); //#endif while (true) { std::vector<uint8_t> rx_data; // join network if not joined if (!dot->getNetworkJoinStatus()) { join_network(); } if(dot->recv(rx_data) != mDot::MDOT_OK) { pc.printf("Recieved Data: "); pc.printf("0x%x\n\r", rx_data); } } return 0; } #endif