Peer to peer xDot
Dependencies: ISL29011 libxDot-dev-mbed5-deprecated
Diff: src/dot_util.cpp
- Revision:
- 0:33f2abdc6bf9
--- /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"); + } +} +