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Dependencies: libmDot mbed mbed-rtos
main.cpp
- Committer:
- wang1tao
- Date:
- 2016-08-12
- Revision:
- 8:dfcee7a96019
- Parent:
- 7:3a4df8dbbb2e
- Child:
- 9:cf45820af9b9
File content as of revision 8:dfcee7a96019:
#include "mbed.h"
#include "mDot.h"
#include "MTSLog.h"
#include <string>
#include <vector>
#include <algorithm>
//#include "DHT.h"
#include "LinearTemp.h"
//DHT sensor(PB_1, DHT11);
LinearTemp myPHSensor(PB_0, 0.005, -273.15);
// these options must match the settings on your Conduit
// uncomment the following lines and edit their values to match your configuration
static std::string config_network_name = "chinaiot";
static std::string config_network_pass = "password";
static uint8_t config_frequency_sub_band = 2;
int main() {
int32_t ret;
mDot* dot;
std::vector<uint8_t> data;
std::vector<uint8_t> send_data;
float PhValue;
std::string data_str = "T&H Sensors";
char dataBuf[11];
// int error = 0;
// float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
// float h = 0.0f, c = 0.0f;
// get a mDot handle
dot = mDot::getInstance();
// print library version information
logInfo("version: %s", dot->getId().c_str());
//*******************************************
// configuration
//*******************************************
// reset to default config so we know what state we're in
dot->resetConfig();
dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
// set up the mDot with our network information: frequency sub band, network name, and network password
// these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
// frequency sub band is only applicable in the 915 (US) frequency band
// if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
// if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
logInfo("setting frequency sub band");
if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
logInfo("setting network name");
if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
logInfo("setting network password");
if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// a higher spreading factor allows for longer range but lower throughput
// in the 915 (US) frequency band, spreading factors 7 - 10 are available
// in the 868 (EU) frequency band, spreading factors 7 - 12 are available
logInfo("setting TX spreading factor");
if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) {
logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// request receive confirmation of packets from the gateway
logInfo("enabling ACKs");
if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
}
// save this configuration to the mDot's NVM
logInfo("saving config");
if (! dot->saveConfig()) {
logError("failed to save configuration");
}
//*******************************************
// end of configuration
//*******************************************
// attempt to join the network
logInfo("joining network");
while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
// in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
osDelay(std::max((uint32_t)1000, (uint32_t)dot->getNextTxMs()));
}
// format data for sending to the gateway
for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
data.push_back((uint8_t) *it);
while (true) {
// send the data to the gateway
if ((ret = dot->send(data)) != mDot::MDOT_OK) {
logError("failed to send", ret, mDot::getReturnCodeString(ret).c_str());
} else {
logInfo("successfully sent data to gateway");
}
// in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
data.clear();
// Read the PH value
PhValue = myPHSensor;
sprintf(dataBuf, "CH0:%5.4f", PhValue);
logInfo("%s", dataBuf);
// probably not the most efficent way to do this
for( int i=0; i< strlen(dataBuf); i++ )
data.push_back( dataBuf[i] );
}
}