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Peer to peer xDot
Dependencies: ISL29011 libxDot-dev-mbed5-deprecated
Diff: src/main.cpp
- Revision:
- 0:33f2abdc6bf9
--- /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