![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Fork to see if I can get working
Dependencies: BufferedSerial OneWire WinbondSPIFlash libxDot-dev-mbed5-deprecated
Fork of xDotBridge_update_test20180823 by
examples/src/peer_to_peer_example.cpp@11:d2e31743433a, 2016-10-11 (annotated)
- Committer:
- Mike Fiore
- Date:
- Tue Oct 11 11:49:56 2016 -0500
- Revision:
- 11:d2e31743433a
- Child:
- 12:ec9768677cea
add peer to peer example
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Mike Fiore |
11:d2e31743433a | 1 | #include "dot_util.h" |
Mike Fiore |
11:d2e31743433a | 2 | #include "mDotEvent.h" |
Mike Fiore |
11:d2e31743433a | 3 | |
Mike Fiore |
11:d2e31743433a | 4 | #if ACTIVE_EXAMPLE == PEER_TO_PEER_EXAMPLE |
Mike Fiore |
11:d2e31743433a | 5 | |
Mike Fiore |
11:d2e31743433a | 6 | ///////////////////////////////////////////////////////////// |
Mike Fiore |
11:d2e31743433a | 7 | // * these options must match between the two devices in // |
Mike Fiore |
11:d2e31743433a | 8 | // order for communication to be successful |
Mike Fiore |
11:d2e31743433a | 9 | ///////////////////////////////////////////////////////////// |
Mike Fiore |
11:d2e31743433a | 10 | static uint8_t network_address[] = { 0x01, 0x02, 0x03, 0x04 }; |
Mike Fiore |
11:d2e31743433a | 11 | static uint8_t network_session_key[] = { 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04 }; |
Mike Fiore |
11:d2e31743433a | 12 | 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 | 13 | |
Mike Fiore |
11:d2e31743433a | 14 | mDot* dot = NULL; |
Mike Fiore |
11:d2e31743433a | 15 | |
Mike Fiore |
11:d2e31743433a | 16 | Serial pc(USBTX, USBRX); |
Mike Fiore |
11:d2e31743433a | 17 | |
Mike Fiore |
11:d2e31743433a | 18 | #if defined(TARGET_XDOT_L151CC) |
Mike Fiore |
11:d2e31743433a | 19 | I2C i2c(I2C_SDA, I2C_SCL); |
Mike Fiore |
11:d2e31743433a | 20 | ISL29011 lux(i2c); |
Mike Fiore |
11:d2e31743433a | 21 | #else |
Mike Fiore |
11:d2e31743433a | 22 | AnalogIn lux(XBEE_AD0); |
Mike Fiore |
11:d2e31743433a | 23 | #endif |
Mike Fiore |
11:d2e31743433a | 24 | |
Mike Fiore |
11:d2e31743433a | 25 | // Custom event handler for receiving Class C packets |
Mike Fiore |
11:d2e31743433a | 26 | class RadioEvent : public mDotEvent |
Mike Fiore |
11:d2e31743433a | 27 | { |
Mike Fiore |
11:d2e31743433a | 28 | |
Mike Fiore |
11:d2e31743433a | 29 | public: |
Mike Fiore |
11:d2e31743433a | 30 | RadioEvent() {} |
Mike Fiore |
11:d2e31743433a | 31 | |
Mike Fiore |
11:d2e31743433a | 32 | virtual ~RadioEvent() {} |
Mike Fiore |
11:d2e31743433a | 33 | |
Mike Fiore |
11:d2e31743433a | 34 | /*! |
Mike Fiore |
11:d2e31743433a | 35 | * MAC layer event callback prototype. |
Mike Fiore |
11:d2e31743433a | 36 | * |
Mike Fiore |
11:d2e31743433a | 37 | * \param [IN] flags Bit field indicating the MAC events occurred |
Mike Fiore |
11:d2e31743433a | 38 | * \param [IN] info Details about MAC events occurred |
Mike Fiore |
11:d2e31743433a | 39 | */ |
Mike Fiore |
11:d2e31743433a | 40 | virtual void MacEvent(LoRaMacEventFlags* flags, LoRaMacEventInfo* info) { |
Mike Fiore |
11:d2e31743433a | 41 | |
Mike Fiore |
11:d2e31743433a | 42 | if (mts::MTSLog::getLogLevel() == mts::MTSLog::TRACE_LEVEL) { |
Mike Fiore |
11:d2e31743433a | 43 | std::string msg = "OK"; |
Mike Fiore |
11:d2e31743433a | 44 | switch (info->Status) { |
Mike Fiore |
11:d2e31743433a | 45 | case LORAMAC_EVENT_INFO_STATUS_ERROR: |
Mike Fiore |
11:d2e31743433a | 46 | msg = "ERROR"; |
Mike Fiore |
11:d2e31743433a | 47 | break; |
Mike Fiore |
11:d2e31743433a | 48 | case LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT: |
Mike Fiore |
11:d2e31743433a | 49 | msg = "TX_TIMEOUT"; |
Mike Fiore |
11:d2e31743433a | 50 | break; |
Mike Fiore |
11:d2e31743433a | 51 | case LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT: |
Mike Fiore |
11:d2e31743433a | 52 | msg = "RX_TIMEOUT"; |
Mike Fiore |
11:d2e31743433a | 53 | break; |
Mike Fiore |
11:d2e31743433a | 54 | case LORAMAC_EVENT_INFO_STATUS_RX_ERROR: |
Mike Fiore |
11:d2e31743433a | 55 | msg = "RX_ERROR"; |
Mike Fiore |
11:d2e31743433a | 56 | break; |
Mike Fiore |
11:d2e31743433a | 57 | case LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL: |
Mike Fiore |
11:d2e31743433a | 58 | msg = "JOIN_FAIL"; |
Mike Fiore |
11:d2e31743433a | 59 | break; |
Mike Fiore |
11:d2e31743433a | 60 | case LORAMAC_EVENT_INFO_STATUS_DOWNLINK_FAIL: |
Mike Fiore |
11:d2e31743433a | 61 | msg = "DOWNLINK_FAIL"; |
Mike Fiore |
11:d2e31743433a | 62 | break; |
Mike Fiore |
11:d2e31743433a | 63 | case LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL: |
Mike Fiore |
11:d2e31743433a | 64 | msg = "ADDRESS_FAIL"; |
Mike Fiore |
11:d2e31743433a | 65 | break; |
Mike Fiore |
11:d2e31743433a | 66 | case LORAMAC_EVENT_INFO_STATUS_MIC_FAIL: |
Mike Fiore |
11:d2e31743433a | 67 | msg = "MIC_FAIL"; |
Mike Fiore |
11:d2e31743433a | 68 | break; |
Mike Fiore |
11:d2e31743433a | 69 | default: |
Mike Fiore |
11:d2e31743433a | 70 | break; |
Mike Fiore |
11:d2e31743433a | 71 | } |
Mike Fiore |
11:d2e31743433a | 72 | logTrace("Event: %s", msg.c_str()); |
Mike Fiore |
11:d2e31743433a | 73 | |
Mike Fiore |
11:d2e31743433a | 74 | logTrace("Flags Tx: %d Rx: %d RxData: %d RxSlot: %d LinkCheck: %d JoinAccept: %d", |
Mike Fiore |
11:d2e31743433a | 75 | flags->Bits.Tx, flags->Bits.Rx, flags->Bits.RxData, flags->Bits.RxSlot, flags->Bits.LinkCheck, flags->Bits.JoinAccept); |
Mike Fiore |
11:d2e31743433a | 76 | logTrace("Info: Status: %d ACK: %d Retries: %d TxDR: %d RxPort: %d RxSize: %d RSSI: %d SNR: %d Energy: %d Margin: %d Gateways: %d", |
Mike Fiore |
11:d2e31743433a | 77 | info->Status, info->TxAckReceived, info->TxNbRetries, info->TxDatarate, info->RxPort, info->RxBufferSize, |
Mike Fiore |
11:d2e31743433a | 78 | info->RxRssi, info->RxSnr, info->Energy, info->DemodMargin, info->NbGateways); |
Mike Fiore |
11:d2e31743433a | 79 | } |
Mike Fiore |
11:d2e31743433a | 80 | |
Mike Fiore |
11:d2e31743433a | 81 | if (flags->Bits.Rx) { |
Mike Fiore |
11:d2e31743433a | 82 | |
Mike Fiore |
11:d2e31743433a | 83 | logDebug("Rx %d bytes", info->RxBufferSize); |
Mike Fiore |
11:d2e31743433a | 84 | if (info->RxBufferSize > 0) { |
Mike Fiore |
11:d2e31743433a | 85 | // print RX data as hexadecimal |
Mike Fiore |
11:d2e31743433a | 86 | printf("Rx data: %s\r\n", mts::Text::bin2hexString(info->RxBuffer, info->RxBufferSize).c_str()); |
Mike Fiore |
11:d2e31743433a | 87 | |
Mike Fiore |
11:d2e31743433a | 88 | // print RX data as string |
Mike Fiore |
11:d2e31743433a | 89 | /* |
Mike Fiore |
11:d2e31743433a | 90 | pc.printf("Rx data: "); |
Mike Fiore |
11:d2e31743433a | 91 | for (int i = 0; i < info->RxBufferSize; i++) { |
Mike Fiore |
11:d2e31743433a | 92 | pc.putc(info->RxBuffer[i]); |
Mike Fiore |
11:d2e31743433a | 93 | } |
Mike Fiore |
11:d2e31743433a | 94 | pc.printf("\r\n"); |
Mike Fiore |
11:d2e31743433a | 95 | */ |
Mike Fiore |
11:d2e31743433a | 96 | } |
Mike Fiore |
11:d2e31743433a | 97 | } |
Mike Fiore |
11:d2e31743433a | 98 | } |
Mike Fiore |
11:d2e31743433a | 99 | }; |
Mike Fiore |
11:d2e31743433a | 100 | |
Mike Fiore |
11:d2e31743433a | 101 | int main() { |
Mike Fiore |
11:d2e31743433a | 102 | RadioEvent events; |
Mike Fiore |
11:d2e31743433a | 103 | uint32_t tx_frequency; |
Mike Fiore |
11:d2e31743433a | 104 | uint8_t tx_datarate; |
Mike Fiore |
11:d2e31743433a | 105 | uint8_t tx_power; |
Mike Fiore |
11:d2e31743433a | 106 | uint8_t frequency_band; |
Mike Fiore |
11:d2e31743433a | 107 | |
Mike Fiore |
11:d2e31743433a | 108 | pc.baud(115200); |
Mike Fiore |
11:d2e31743433a | 109 | |
Mike Fiore |
11:d2e31743433a | 110 | mts::MTSLog::setLogLevel(mts::MTSLog::TRACE_LEVEL); |
Mike Fiore |
11:d2e31743433a | 111 | |
Mike Fiore |
11:d2e31743433a | 112 | dot = mDot::getInstance(); |
Mike Fiore |
11:d2e31743433a | 113 | |
Mike Fiore |
11:d2e31743433a | 114 | // make sure library logging is turned on |
Mike Fiore |
11:d2e31743433a | 115 | dot->setLogLevel(mts::MTSLog::INFO_LEVEL); |
Mike Fiore |
11:d2e31743433a | 116 | |
Mike Fiore |
11:d2e31743433a | 117 | // attach the custom events handler |
Mike Fiore |
11:d2e31743433a | 118 | dot->setEvents(&events); |
Mike Fiore |
11:d2e31743433a | 119 | |
Mike Fiore |
11:d2e31743433a | 120 | // update configuration if necessary |
Mike Fiore |
11:d2e31743433a | 121 | if (dot->getJoinMode() != mDot::PEER_TO_PEER) { |
Mike Fiore |
11:d2e31743433a | 122 | logInfo("changing network join mode to PEER_TO_PEER"); |
Mike Fiore |
11:d2e31743433a | 123 | if (dot->setJoinMode(mDot::PEER_TO_PEER) != mDot::MDOT_OK) { |
Mike Fiore |
11:d2e31743433a | 124 | logError("failed to set network join mode to PEER_TO_PEER"); |
Mike Fiore |
11:d2e31743433a | 125 | } |
Mike Fiore |
11:d2e31743433a | 126 | } |
Mike Fiore |
11:d2e31743433a | 127 | frequency_band = dot->getFrequencyBand(); |
Mike Fiore |
11:d2e31743433a | 128 | switch (frequency_band) { |
Mike Fiore |
11:d2e31743433a | 129 | case mDot::FB_EU868: |
Mike Fiore |
11:d2e31743433a | 130 | // 250kHz channels achieve higher throughput |
Mike Fiore |
11:d2e31743433a | 131 | // DR6 : SF7 @ 250kHz |
Mike Fiore |
11:d2e31743433a | 132 | // DR0 - DR5 (125kHz channels) available but much slower |
Mike Fiore |
11:d2e31743433a | 133 | tx_frequency = 869850000; |
Mike Fiore |
11:d2e31743433a | 134 | tx_datarate = mDot::DR6; |
Mike Fiore |
11:d2e31743433a | 135 | // 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 | 136 | tx_power = 4; |
Mike Fiore |
11:d2e31743433a | 137 | break; |
Mike Fiore |
11:d2e31743433a | 138 | case mDot::FB_US915: |
Mike Fiore |
11:d2e31743433a | 139 | case mDot::FB_AU915: |
Mike Fiore |
11:d2e31743433a | 140 | default: |
Mike Fiore |
11:d2e31743433a | 141 | // 500kHz channels achieve highest throughput |
Mike Fiore |
11:d2e31743433a | 142 | // DR8 : SF12 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 143 | // DR9 : SF11 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 144 | // DR10 : SF10 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 145 | // DR11 : SF9 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 146 | // DR12 : SF8 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 147 | // DR13 : SF7 @ 500kHz |
Mike Fiore |
11:d2e31743433a | 148 | // DR0 - DR3 (125kHz channels) available but much slower |
Mike Fiore |
11:d2e31743433a | 149 | tx_frequency = 915500000; |
Mike Fiore |
11:d2e31743433a | 150 | tx_datarate = mDot::DR13; |
Mike Fiore |
11:d2e31743433a | 151 | // 915 bands have no duty cycle restrictions, set tx power to max |
Mike Fiore |
11:d2e31743433a | 152 | tx_power = 20; |
Mike Fiore |
11:d2e31743433a | 153 | break; |
Mike Fiore |
11:d2e31743433a | 154 | } |
Mike Fiore |
11:d2e31743433a | 155 | // in PEER_TO_PEER mode there is no join request/response transaction |
Mike Fiore |
11:d2e31743433a | 156 | // as long as both Dots are configured correctly, they should be able to communicate |
Mike Fiore |
11:d2e31743433a | 157 | update_peer_to_peer_config(network_address, network_session_key, data_session_key, tx_frequency, tx_datarate, tx_power); |
Mike Fiore |
11:d2e31743433a | 158 | |
Mike Fiore |
11:d2e31743433a | 159 | // save changes to configuration |
Mike Fiore |
11:d2e31743433a | 160 | logInfo("saving configuration"); |
Mike Fiore |
11:d2e31743433a | 161 | if (!dot->saveConfig()) { |
Mike Fiore |
11:d2e31743433a | 162 | logError("failed to save configuration"); |
Mike Fiore |
11:d2e31743433a | 163 | } |
Mike Fiore |
11:d2e31743433a | 164 | |
Mike Fiore |
11:d2e31743433a | 165 | // display configuration |
Mike Fiore |
11:d2e31743433a | 166 | display_config(); |
Mike Fiore |
11:d2e31743433a | 167 | |
Mike Fiore |
11:d2e31743433a | 168 | #if defined(TARGET_XDOT_L151CC) |
Mike Fiore |
11:d2e31743433a | 169 | // configure the ISL29011 sensor on the xDot-DK for continuous ambient light sampling, 16 bit conversion, and maximum range |
Mike Fiore |
11:d2e31743433a | 170 | lux.setMode(ISL29011::ALS_CONT); |
Mike Fiore |
11:d2e31743433a | 171 | lux.setResolution(ISL29011::ADC_16BIT); |
Mike Fiore |
11:d2e31743433a | 172 | lux.setRange(ISL29011::RNG_64000); |
Mike Fiore |
11:d2e31743433a | 173 | #endif |
Mike Fiore |
11:d2e31743433a | 174 | |
Mike Fiore |
11:d2e31743433a | 175 | while (true) { |
Mike Fiore |
11:d2e31743433a | 176 | uint16_t light; |
Mike Fiore |
11:d2e31743433a | 177 | std::vector<uint8_t> tx_data; |
Mike Fiore |
11:d2e31743433a | 178 | |
Mike Fiore |
11:d2e31743433a | 179 | // join network if not joined |
Mike Fiore |
11:d2e31743433a | 180 | if (!dot->getNetworkJoinStatus()) { |
Mike Fiore |
11:d2e31743433a | 181 | join_network(); |
Mike Fiore |
11:d2e31743433a | 182 | } |
Mike Fiore |
11:d2e31743433a | 183 | |
Mike Fiore |
11:d2e31743433a | 184 | #if defined(TARGET_XDOT_L151CC) |
Mike Fiore |
11:d2e31743433a | 185 | // get the latest light sample and send it to the gateway |
Mike Fiore |
11:d2e31743433a | 186 | light = lux.getData(); |
Mike Fiore |
11:d2e31743433a | 187 | tx_data.push_back((light >> 8) & 0xFF); |
Mike Fiore |
11:d2e31743433a | 188 | tx_data.push_back(light & 0xFF); |
Mike Fiore |
11:d2e31743433a | 189 | logInfo("light: %lu [0x%04X]", light, light); |
Mike Fiore |
11:d2e31743433a | 190 | send_data(tx_data); |
Mike Fiore |
11:d2e31743433a | 191 | #else |
Mike Fiore |
11:d2e31743433a | 192 | // get some dummy data and send it to the gateway |
Mike Fiore |
11:d2e31743433a | 193 | light = lux.read_u16(); |
Mike Fiore |
11:d2e31743433a | 194 | tx_data.push_back((light >> 8) & 0xFF); |
Mike Fiore |
11:d2e31743433a | 195 | tx_data.push_back(light & 0xFF); |
Mike Fiore |
11:d2e31743433a | 196 | logInfo("light: %lu [0x%04X]", light, light); |
Mike Fiore |
11:d2e31743433a | 197 | send_data(tx_data); |
Mike Fiore |
11:d2e31743433a | 198 | #endif |
Mike Fiore |
11:d2e31743433a | 199 | |
Mike Fiore |
11:d2e31743433a | 200 | // the Dot can't sleep in PEER_TO_PEER mode |
Mike Fiore |
11:d2e31743433a | 201 | // it must be waiting for data from the other Dot |
Mike Fiore |
11:d2e31743433a | 202 | // send data every 5 seconds |
Mike Fiore |
11:d2e31743433a | 203 | logInfo("waiting for 5s"); |
Mike Fiore |
11:d2e31743433a | 204 | wait(5); |
Mike Fiore |
11:d2e31743433a | 205 | } |
Mike Fiore |
11:d2e31743433a | 206 | |
Mike Fiore |
11:d2e31743433a | 207 | return 0; |
Mike Fiore |
11:d2e31743433a | 208 | } |
Mike Fiore |
11:d2e31743433a | 209 | |
Mike Fiore |
11:d2e31743433a | 210 | #endif |
Mike Fiore |
11:d2e31743433a | 211 |