Peer to peer xDot
Dependencies: ISL29011 libxDot-dev-mbed5-deprecated
Revision 0:33f2abdc6bf9, committed 2018-03-05
- Comitter:
- javierp
- Date:
- Mon Mar 05 23:51:58 2018 +0000
- Commit message:
- Conexi?n peer to peer para que con una misma clave se entiendan dos xDot.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.hgignore Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,4 @@ +mbed-os +.build +/mdot/ +/mdot-library/
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ISL29011.lib Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/Multi-Hackers/code/ISL29011/#c1d5f4999b9e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libxDot-dev-mbed5.lib Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/teams/MultiTech/code/libxDot-dev-mbed5/#bf7b1b13d7da
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#fc1836545dcc2fc86f03b01292b62bf2089f67c3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/setup.sh Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,3 @@ +if [ ! -d ISL29011 ]; then + hg clone https://developer.mbed.org/teams/Multi-Hackers/code/ISL29011/ +fi
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/RadioEvent.h Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,75 @@ +#ifndef __RADIO_EVENT_H__ +#define __RADIO_EVENT_H__ + +#include "dot_util.h" +#include "mDotEvent.h" + +class RadioEvent : public mDotEvent +{ + +public: + RadioEvent() {} + + virtual ~RadioEvent() {} + + /*! + * 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 (mts::MTSLog::getLogLevel() == mts::MTSLog::TRACE_LEVEL) { + std::string msg = "OK"; + switch (info->Status) { + case LORAMAC_EVENT_INFO_STATUS_ERROR: + msg = "ERROR"; + break; + case LORAMAC_EVENT_INFO_STATUS_TX_TIMEOUT: + msg = "TX_TIMEOUT"; + break; + case LORAMAC_EVENT_INFO_STATUS_RX_TIMEOUT: + msg = "RX_TIMEOUT"; + break; + case LORAMAC_EVENT_INFO_STATUS_RX_ERROR: + msg = "RX_ERROR"; + break; + case LORAMAC_EVENT_INFO_STATUS_JOIN_FAIL: + msg = "JOIN_FAIL"; + break; + case LORAMAC_EVENT_INFO_STATUS_DOWNLINK_FAIL: + msg = "DOWNLINK_FAIL"; + break; + case LORAMAC_EVENT_INFO_STATUS_ADDRESS_FAIL: + msg = "ADDRESS_FAIL"; + break; + case LORAMAC_EVENT_INFO_STATUS_MIC_FAIL: + msg = "MIC_FAIL"; + break; + default: + break; + } + logTrace("Event: %s", msg.c_str()); + + logTrace("Flags Tx: %d Rx: %d RxData: %d RxSlot: %d LinkCheck: %d JoinAccept: %d", + flags->Bits.Tx, flags->Bits.Rx, flags->Bits.RxData, flags->Bits.RxSlot, flags->Bits.LinkCheck, flags->Bits.JoinAccept); + logTrace("Info: Status: %d ACK: %d Retries: %d TxDR: %d RxPort: %d RxSize: %d RSSI: %d SNR: %d Energy: %d Margin: %d Gateways: %d", + info->Status, info->TxAckReceived, info->TxNbRetries, info->TxDatarate, info->RxPort, info->RxBufferSize, + info->RxRssi, info->RxSnr, info->Energy, info->DemodMargin, info->NbGateways); + } + + if (flags->Bits.Rx) { + + logDebug("Rx %d bytes", info->RxBufferSize); + if (info->RxBufferSize > 0) { + // print RX data as string and hexadecimal + std::string rx((const char*)info->RxBuffer, info->RxBufferSize); + printf("Rx data: %s [%s]\r\n", rx.c_str(), mts::Text::bin2hexString(info->RxBuffer, info->RxBufferSize).c_str()); + } + } + } +}; + +#endif +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/dot_util.cpp Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,140 @@ +#include "dot_util.h" +#if defined(TARGET_XDOT_L151CC) +#include "xdot_low_power.h" +#endif + +void display_config() { + // display configuration and library version information + logInfo("====================="); + logInfo("general configuration"); + logInfo("====================="); + logInfo("version ------------------ %s", dot->getId().c_str()); + logInfo("device ID/EUI ------------ %s", mts::Text::bin2hexString(dot->getDeviceId()).c_str()); + logInfo("default channel plan ----- %s", mDot::FrequencyBandStr(dot->getDefaultFrequencyBand()).c_str()); + logInfo("current channel plan ----- %s", mDot::FrequencyBandStr(dot->getFrequencyBand()).c_str()); + if (lora::ChannelPlan::IsPlanFixed(dot->getFrequencyBand())) { + logInfo("frequency sub band ------- %u", dot->getFrequencySubBand()); + } + logInfo("public network ----------- %s", dot->getPublicNetwork() ? "on" : "off"); + logInfo("========================="); + logInfo("credentials configuration"); + logInfo("========================="); + logInfo("device class ------------- %s", dot->getClass().c_str()); + logInfo("network join mode -------- %s", mDot::JoinModeStr(dot->getJoinMode()).c_str()); + if (dot->getJoinMode() == mDot::MANUAL || dot->getJoinMode() == mDot::PEER_TO_PEER) { + logInfo("network address ---------- %s", mts::Text::bin2hexString(dot->getNetworkAddress()).c_str()); + logInfo("network session key------- %s", mts::Text::bin2hexString(dot->getNetworkSessionKey()).c_str()); + logInfo("data session key---------- %s", mts::Text::bin2hexString(dot->getDataSessionKey()).c_str()); + } else { + logInfo("network name ------------- %s", dot->getNetworkName().c_str()); + logInfo("network phrase ----------- %s", dot->getNetworkPassphrase().c_str()); + logInfo("network EUI -------------- %s", mts::Text::bin2hexString(dot->getNetworkId()).c_str()); + logInfo("network KEY -------------- %s", mts::Text::bin2hexString(dot->getNetworkKey()).c_str()); + } + logInfo("========================"); + logInfo("communication parameters"); + logInfo("========================"); + if (dot->getJoinMode() == mDot::PEER_TO_PEER) { + logInfo("TX frequency ------------- %lu", dot->getTxFrequency()); + } else { + logInfo("acks --------------------- %s, %u attempts", dot->getAck() > 0 ? "on" : "off", dot->getAck()); + } + logInfo("TX datarate -------------- %s", mDot::DataRateStr(dot->getTxDataRate()).c_str()); + logInfo("TX power ----------------- %lu dBm", dot->getTxPower()); + logInfo("antenna gain ------------- %u dBm", dot->getAntennaGain()); + logInfo("LBT ---------------------- %s", dot->getLbtTimeUs() ? "on" : "off"); + if (dot->getLbtTimeUs()) { + logInfo("LBT time ----------------- %lu us", dot->getLbtTimeUs()); + logInfo("LBT threshold ------------ %d dBm", dot->getLbtThreshold()); + } +} + +void update_peer_to_peer_config(uint8_t *network_address, uint8_t *network_session_key, uint8_t *data_session_key, uint32_t tx_frequency, uint8_t tx_datarate, uint8_t tx_power) { + std::vector<uint8_t> current_network_address = dot->getNetworkAddress(); + std::vector<uint8_t> current_network_session_key = dot->getNetworkSessionKey(); + std::vector<uint8_t> current_data_session_key = dot->getDataSessionKey(); + uint32_t current_tx_frequency = dot->getTxFrequency(); + uint8_t current_tx_datarate = dot->getTxDataRate(); + uint8_t current_tx_power = dot->getTxPower(); + + std::vector<uint8_t> network_address_vector(network_address, network_address + 4); + std::vector<uint8_t> network_session_key_vector(network_session_key, network_session_key + 16); + std::vector<uint8_t> data_session_key_vector(data_session_key, data_session_key + 16); + + if (current_network_address != network_address_vector) { + logInfo("changing network address from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_address).c_str(), mts::Text::bin2hexString(network_address_vector).c_str()); + if (dot->setNetworkAddress(network_address_vector) != mDot::MDOT_OK) { + logError("failed to set network address to \"%s\"", mts::Text::bin2hexString(network_address_vector).c_str()); + } + } + + if (current_network_session_key != network_session_key_vector) { + logInfo("changing network session key from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_network_session_key).c_str(), mts::Text::bin2hexString(network_session_key_vector).c_str()); + if (dot->setNetworkSessionKey(network_session_key_vector) != mDot::MDOT_OK) { + logError("failed to set network session key to \"%s\"", mts::Text::bin2hexString(network_session_key_vector).c_str()); + } + } + + if (current_data_session_key != data_session_key_vector) { + logInfo("changing data session key from \"%s\" to \"%s\"", mts::Text::bin2hexString(current_data_session_key).c_str(), mts::Text::bin2hexString(data_session_key_vector).c_str()); + if (dot->setDataSessionKey(data_session_key_vector) != mDot::MDOT_OK) { + logError("failed to set data session key to \"%s\"", mts::Text::bin2hexString(data_session_key_vector).c_str()); + } + } + + if (current_tx_frequency != tx_frequency) { + logInfo("changing TX frequency from %lu to %lu", current_tx_frequency, tx_frequency); + if (dot->setTxFrequency(tx_frequency) != mDot::MDOT_OK) { + logError("failed to set TX frequency to %lu", tx_frequency); + } + } + + if (current_tx_datarate != tx_datarate) { + logInfo("changing TX datarate from %u to %u", current_tx_datarate, tx_datarate); + if (dot->setTxDataRate(tx_datarate) != mDot::MDOT_OK) { + logError("failed to set TX datarate to %u", tx_datarate); + } + } + + if (current_tx_power != tx_power) { + logInfo("changing TX power from %u to %u", current_tx_power, tx_power); + if (dot->setTxPower(tx_power) != mDot::MDOT_OK) { + logError("failed to set TX power to %u", tx_power); + } + } +} + +void join_network() { + int32_t j_attempts = 0; + int32_t ret = mDot::MDOT_ERROR; + + // attempt to join the network + while (ret != mDot::MDOT_OK) { + logInfo("attempt %d to join network", ++j_attempts); + ret = dot->joinNetwork(); + if (ret != mDot::MDOT_OK) { + logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + // in some frequency bands we need to wait until another channel is available before transmitting again + uint32_t delay_s = (dot->getNextTxMs() / 1000) + 1; + if (delay_s < 2) { + logInfo("waiting %lu s until next free channel", delay_s); + wait(delay_s); + } else { + logInfo("sleeping %lu s until next free channel", delay_s); + dot->sleep(delay_s, mDot::RTC_ALARM, false); + } + } + } +} + +void send_data(std::vector<uint8_t> data) { + int32_t ret; + + ret = dot->send(data); + if (ret != mDot::MDOT_OK) { + logError("failed to send data to %s [%d][%s]", dot->getJoinMode() == mDot::PEER_TO_PEER ? "peer" : "gateway", ret, mDot::getReturnCodeString(ret).c_str()); + } else { + logInfo("successfully sent data to %s", dot->getJoinMode() == mDot::PEER_TO_PEER ? "peer" : "gateway"); + } +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/dot_util.h Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,21 @@ +#ifndef __DOT_UTIL_H__ +#define __DOT_UTIL_H__ + +#include "mbed.h" +#include "mDot.h" +#include "ChannelPlans.h" +#include "MTSLog.h" +#include "MTSText.h" +#include "ISL29011.h" + +extern mDot* dot; + +void display_config(); + +void join_network(); + +void update_peer_to_peer_config(uint8_t *network_address, uint8_t *network_session_key, uint8_t *data_session_key, uint32_t tx_frequency, uint8_t tx_datarate, uint8_t tx_power); + +void send_data(std::vector<uint8_t> data); + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main.cpp Mon Mar 05 23:51:58 2018 +0000 @@ -0,0 +1,96 @@ +#include "mbed.h" +#include "mDot.h" +#include "rtos.h" +#include "ChannelPlan.h" +#include "ISL29011.h" +#include "dot_util.h" +#include "RadioEvent.h" + +static uint8_t network_address[] = { 0x04, 0x05, 0x03, 0x04 }; +static uint8_t network_session_key[] = { 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04 }; +static uint8_t data_session_key[] = { 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04, 0x04, 0x05, 0x03, 0x04 }; + +mDot* dot = NULL; +lora::ChannelPlan* plan = NULL; + +static Serial pc(USBTX, USBRX); + +I2C i2c(I2C_SDA, I2C_SCL); +ISL29011 lux(i2c); + +int main() { + + // Custom event handler for automatically displaying RX data + RadioEvent events; + uint32_t tx_frequency; + uint8_t tx_datarate; + uint8_t tx_power; + + pc.baud(115200); + + plan = new lora::ChannelPlan_US915(); + dot = mDot::getInstance(plan); + assert(dot); + + 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); + + // 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"); + } + } + + tx_frequency = 915500000; + tx_datarate = lora::DR_13; + // 915 bands have no duty cycle restrictions, set tx power to max + tx_power = 20; + + // 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(); + + lux.setMode(ISL29011::ALS_CONT); + lux.setResolution(ISL29011::ADC_16BIT); + lux.setRange(ISL29011::RNG_64000); + + while (true) { + uint16_t light; + std::vector<uint8_t> tx_data; + + // join network if not joined + if (!dot->getNetworkJoinStatus()) { + join_network(); + } + + light = lux.getData(); + tx_data.push_back((light >> 8) & 0xFF); + tx_data.push_back(light & 0xFF); + logInfo("light: %lu [0x%04X]", light, light); + send_data(tx_data); + + // the Dot can't sleep in PEER_TO_PEER mode + // it must be waiting for data from the other Dot + // send data every 5 seconds + logInfo("waiting for 5s"); + wait(5); + } +return 0; +} \ No newline at end of file