rssi test for 868
Dependencies: libmDot mbed-rtos mbed
Fork of mDot_LoRa_Connect_Example by
Revision 7:f6d527a85c05, committed 2017-05-09
- Comitter:
- Dengjj
- Date:
- Tue May 09 15:45:01 2017 +0000
- Parent:
- 6:f0b6fea36e28
- Commit message:
- release for 868 rssi test
Changed in this revision
libmDot.lib | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/libmDot.lib Tue Apr 12 23:44:25 2016 +0000 +++ b/libmDot.lib Tue May 09 15:45:01 2017 +0000 @@ -1,1 +1,1 @@ -http://developer.mbed.org/teams/MultiTech/code/libmDot/#121e4c454964 +https://developer.mbed.org/teams/wireless-sensor/code/libmDot/#c4d6b4234339
--- a/main.cpp Tue Apr 12 23:44:25 2016 +0000 +++ b/main.cpp Tue May 09 15:45:01 2017 +0000 @@ -1,109 +1,208 @@ +#include "mbed.h" #include "mbed.h" #include "mDot.h" #include "MTSLog.h" #include <string> #include <vector> #include <algorithm> +#include <math.h> -// 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 = "<lora network id>"; -static std::string config_network_pass = "<lora network key>"; -static uint8_t config_frequency_sub_band = 1; +#define RETURN_OK 0 +#define RETURN_ERR -1 +//define baudrate +#define PC_BAUDRATE 115200 + +/* functions prototype */ + +int configNetwork(void); +int joinNetwork(void); +int send_data(char *str); + +/* Global variables */ +Serial pc (USBTX, USBRX); // tx, rx + +mDot* dot; + +static std::string config_network_name = "chinaiot"; +static std::string config_network_pass = "password"; +static uint8_t config_frequency_sub_band = 1; + +int main() +{ + int32_t ret, counter; + char dataBuf[15]; + + pc.baud(PC_BAUDRATE); + pc.printf("\n\r\n\r\n\r"); + pc.printf("============================================\n\r"); + pc.printf("SiFOX remote card read system!\n\r"); + pc.printf("============================================\n\r"); + pc.printf("PC COM RS232 baudrate: %d \n\r", PC_BAUDRATE); -int main() { - int32_t ret; - mDot* dot; - std::vector<uint8_t> data; - std::string data_str = "hello!"; + //******************************************* + // Configurate Network + //******************************************* + ret = configNetwork(); + if(ret != RETURN_OK) + dot->sleep(5, mDot::RTC_ALARM); //sleep a while and restart - // get a mDot handle + //******************************************* + // Join Network + //******************************************* + ret = joinNetwork(); + if(ret != RETURN_OK) + dot->sleep(5, mDot::RTC_ALARM); //sleep a while and restart + + counter = 0; + while(1) { + sprintf(dataBuf, "%d", counter); + + /* Send data to gateway */ + send_data(dataBuf); + /* wait a while */ + wait(10); + + logInfo("RSSI Last:%d", dot->getRssiStats().last); + logInfo("SNR Last:%d", dot->getSnrStats().last); + + counter++; + } +} + + +int configNetwork(void) +{ + int32_t ret; + dot = mDot::getInstance(); // print library version information - logInfo("version: %s", dot->getId().c_str()); - + pc.printf("version: %s\n\r", dot->getId().c_str()); + //******************************************* // configuration //******************************************* // reset to default config so we know what state we're in dot->resetConfig(); + dot->setTxPower(20); + 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 to public network"); -// if ((ret = dot->setPublicNetwork(true)) != mDot::MDOT_OK) { -// logError("failed to set public network %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); -// } - - logInfo("setting frequency sub band"); + //pc.printf("Setting TX frequency band as 868MHz\n\r"); + //if ((ret = dot->setTxFrequency(mDot::FB_868)) != mDot::MDOT_OK){ + // pc.printf("Error:failed to set TX frequency band %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + // return RETURN_ERR; + //} + //pc.printf("Setting RX frequency band as 868MHz\n\r"); + //if ((ret = dot->setRxFrequency(mDot::FB_868)) != mDot::MDOT_OK){ + // pc.printf("Error:failed to set RX frequency band %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + // return RETURN_ERR; + //} + pc.printf("Setting frequency sub band\n\r"); 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()); + pc.printf("Error:failed to set frequency sub band %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; } - - logInfo("setting network name"); + + pc.printf("Setting network name\n\r"); if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) { - logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + pc.printf("Error:failed to set network name %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; } - - logInfo("setting network password"); + + pc.printf("Setting network password\n\r"); if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) { - logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + pc.printf("Error:failed to set network password %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; } // 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"); + pc.printf("Setting TX spreading factor\n\r"); if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) { - logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + pc.printf("Error:failed to set TX datarate %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; } - + // request receive confirmation of packets from the gateway - logInfo("enabling ACKs"); + pc.printf("Enabling ACKs\n\r"); if ((ret = dot->setAck(1)) != mDot::MDOT_OK) { - logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + pc.printf("Error:failed to enable ACKs %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_OK; + } + + // save this configuration to the mDot's NVM + pc.printf("Saving config\n\r"); + if (! dot->saveConfig()) { + pc.printf("Error:failed to save configuration\n\r"); } - // save this configuration to the mDot's NVM - logInfo("saving config"); - if (! dot->saveConfig()) { - logError("failed to save configuration"); - } - //******************************************* - // end of configuration - //******************************************* + return RETURN_OK; +} // end of configuration + +int joinNetwork(void) +{ + int32_t ret,i; + std::vector<uint8_t> sendData; + char _header[] = "Reset!"; + // attempt to join the network - logInfo("joining network"); + pc.printf("Joining network...\n\r"); + while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) { - logError("failed to join network %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); + pc.printf("Error: failed to join network %d:%s\n\r", 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())); + return RETURN_ERR; } + sendData.clear(); // 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); + for( i=0; i< strlen(_header); i++ ) + sendData.push_back( _header[i] ); + + // send the data to the gateway + pc.printf("Send header to the gateway\n\r"); + + if ((ret = dot->send(sendData)) != mDot::MDOT_OK) { + pc.printf("Error: failed to send %d:%s\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; + } else { + pc.printf("Successfully sent data to gateway\n\r"); + } + + return RETURN_OK; +} - 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"); - } +int send_data(char *str) +{ + int32_t i, ret; + std::vector<uint8_t> sendData; + + //Send the data to Gateway + sendData.clear(); + // probably not the most efficent way to do this + for(i=0; i< strlen(str); i++ ) + sendData.push_back(str[i] ); + + // send the data to the gateway + pc.printf("Send %s to Gateway \n\r", str); + + if ((ret = dot->send(sendData)) != mDot::MDOT_OK) { + pc.printf("Error:failed to send\n\r", ret, mDot::getReturnCodeString(ret).c_str()); + return RETURN_ERR; + } else { + pc.printf("Sent data to gateway successfully!\n\r"); + } + return RETURN_OK; +} - // 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())); - } - return 0; -}