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Dependencies: BME280 DOGS102 DS1820 MMA845x_timmeh MTS-Serial libmDot_Australia915Mhz mbed-rtos mbed
Fork of mDot_TTN_OTAA_Node by
main.cpp@3:367aa95f9771, 2015-09-22 (annotated)
- Committer:
- SomeRandomBloke
- Date:
- Tue Sep 22 13:58:59 2015 +0000
- Revision:
- 3:367aa95f9771
- Parent:
- 2:9db840d12557
- Child:
- 4:f649ab1b61d1
Code clean up and add reset config option.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
SomeRandomBloke | 2:9db840d12557 | 1 | /** mDot_DS18B20 - Simple mDot temperature sensor using Dallas Semiconductors DS18B20 OneWire temperature sensor. |
SomeRandomBloke | 3:367aa95f9771 | 2 | * It used the OTA_AUTO join mode using saved parameters. If the config is to be reset then pin A2 on the |
SomeRandomBloke | 3:367aa95f9771 | 3 | * dev board must be held low during a reset or power up. |
SomeRandomBloke | 2:9db840d12557 | 4 | * |
SomeRandomBloke | 0:5a0b43f3b143 | 5 | * Uses MultiTech mDot developer board http://www.multitech.com/models/94558010LF |
SomeRandomBloke | 0:5a0b43f3b143 | 6 | * Requires a MultiTech MultiConnect Conduit http://www.multitech.com/models/94557203LF |
SomeRandomBloke | 0:5a0b43f3b143 | 7 | * |
SomeRandomBloke | 0:5a0b43f3b143 | 8 | * Example JSON received on Conduit: |
SomeRandomBloke | 0:5a0b43f3b143 | 9 | { "chan": 5, "codr": "4/5", "datr": "SF9BW125", "freq": "869.5", |
SomeRandomBloke | 0:5a0b43f3b143 | 10 | "lsnr": "8.8", "modu": "LORA", "rfch": 1, "rssi": -41, "seqn": 13, |
SomeRandomBloke | 0:5a0b43f3b143 | 11 | "size": 12, "timestamp": "2015-07-22T21:19:11Z", "tmst": 517590990, |
SomeRandomBloke | 2:9db840d12557 | 12 | "payload": "{\"tmp\":21.3}", "eui": "00:80:00:00:00:00:9a:63", "_msg |
SomeRandomBloke | 0:5a0b43f3b143 | 13 | id": "73bcd8dd.8c4328" } |
SomeRandomBloke | 0:5a0b43f3b143 | 14 | * |
SomeRandomBloke | 0:5a0b43f3b143 | 15 | */ |
SomeRandomBloke | 0:5a0b43f3b143 | 16 | |
SomeRandomBloke | 0:5a0b43f3b143 | 17 | #include "mbed.h" |
SomeRandomBloke | 0:5a0b43f3b143 | 18 | #include "DS1820.h" |
SomeRandomBloke | 0:5a0b43f3b143 | 19 | #include "mDot.h" |
SomeRandomBloke | 0:5a0b43f3b143 | 20 | #include "MTSLog.h" |
SomeRandomBloke | 0:5a0b43f3b143 | 21 | #include "MTSText.h" |
SomeRandomBloke | 0:5a0b43f3b143 | 22 | #include <string> |
SomeRandomBloke | 0:5a0b43f3b143 | 23 | #include <vector> |
SomeRandomBloke | 0:5a0b43f3b143 | 24 | |
SomeRandomBloke | 0:5a0b43f3b143 | 25 | using namespace mts; |
SomeRandomBloke | 0:5a0b43f3b143 | 26 | |
SomeRandomBloke | 0:5a0b43f3b143 | 27 | // these options must match the settings on your Conduit in |
SomeRandomBloke | 0:5a0b43f3b143 | 28 | // /var/config/lora/lora-network-server.conf |
SomeRandomBloke | 3:367aa95f9771 | 29 | static std::string config_network_name = "<network name>"; |
SomeRandomBloke | 3:367aa95f9771 | 30 | static std::string config_network_pass = "<network password>"; |
SomeRandomBloke | 3:367aa95f9771 | 31 | // Ignoring sub band for EU modules. |
SomeRandomBloke | 1:45cec6aea002 | 32 | //static uint8_t config_frequency_sub_band = 1; |
SomeRandomBloke | 0:5a0b43f3b143 | 33 | |
SomeRandomBloke | 0:5a0b43f3b143 | 34 | // mDot/dev board activity LED |
SomeRandomBloke | 1:45cec6aea002 | 35 | //#define ACTIVITY_LED PA_0 |
SomeRandomBloke | 2:9db840d12557 | 36 | |
SomeRandomBloke | 2:9db840d12557 | 37 | // DS18B20 OneWire pin |
SomeRandomBloke | 3:367aa95f9771 | 38 | // D13 on Dev Board, pin 18 on mDot |
SomeRandomBloke | 1:45cec6aea002 | 39 | #define DATA_PIN PA_5 |
SomeRandomBloke | 3:367aa95f9771 | 40 | // A0 on Dev Board, pin 20 on mDot |
SomeRandomBloke | 1:45cec6aea002 | 41 | //#define DATA_PIN PB_1 |
SomeRandomBloke | 0:5a0b43f3b143 | 42 | |
SomeRandomBloke | 3:367aa95f9771 | 43 | // A2 - input to reset LoRaWAN config. Pin 15 om mDot. |
SomeRandomBloke | 3:367aa95f9771 | 44 | #define CONFIG_RESET PC_1 |
SomeRandomBloke | 3:367aa95f9771 | 45 | |
SomeRandomBloke | 3:367aa95f9771 | 46 | // Config Reset intput |
SomeRandomBloke | 3:367aa95f9771 | 47 | DigitalIn configReset(CONFIG_RESET); |
SomeRandomBloke | 3:367aa95f9771 | 48 | |
SomeRandomBloke | 3:367aa95f9771 | 49 | // Temperature sensor object |
SomeRandomBloke | 0:5a0b43f3b143 | 50 | DS1820 probe(DATA_PIN); |
SomeRandomBloke | 0:5a0b43f3b143 | 51 | |
SomeRandomBloke | 3:367aa95f9771 | 52 | // Serial via USB for debugging only |
SomeRandomBloke | 0:5a0b43f3b143 | 53 | Serial pc(USBTX,USBRX); |
SomeRandomBloke | 0:5a0b43f3b143 | 54 | |
SomeRandomBloke | 0:5a0b43f3b143 | 55 | |
SomeRandomBloke | 0:5a0b43f3b143 | 56 | int main() |
SomeRandomBloke | 0:5a0b43f3b143 | 57 | { |
SomeRandomBloke | 0:5a0b43f3b143 | 58 | int32_t ret; |
SomeRandomBloke | 0:5a0b43f3b143 | 59 | mDot* dot; |
SomeRandomBloke | 0:5a0b43f3b143 | 60 | std::vector<uint8_t> send_data; |
SomeRandomBloke | 0:5a0b43f3b143 | 61 | std::vector<uint8_t> recv_data; |
SomeRandomBloke | 0:5a0b43f3b143 | 62 | |
SomeRandomBloke | 0:5a0b43f3b143 | 63 | float temperature = 0.0; |
SomeRandomBloke | 1:45cec6aea002 | 64 | |
SomeRandomBloke | 3:367aa95f9771 | 65 | // Enable internal pullup on input pin |
SomeRandomBloke | 3:367aa95f9771 | 66 | configReset.mode(PullUp); |
SomeRandomBloke | 3:367aa95f9771 | 67 | |
SomeRandomBloke | 0:5a0b43f3b143 | 68 | pc.baud(115200); |
SomeRandomBloke | 0:5a0b43f3b143 | 69 | pc.printf("mDot LoRa Temperature sensor\n\r"); |
SomeRandomBloke | 1:45cec6aea002 | 70 | |
SomeRandomBloke | 0:5a0b43f3b143 | 71 | // get a mDot handle |
SomeRandomBloke | 0:5a0b43f3b143 | 72 | dot = mDot::getInstance(); |
SomeRandomBloke | 0:5a0b43f3b143 | 73 | |
SomeRandomBloke | 3:367aa95f9771 | 74 | dot->setLogLevel(MTSLog::WARNING_LEVEL); |
SomeRandomBloke | 3:367aa95f9771 | 75 | // dot->setLogLevel(MTSLog::TRACE_LEVEL); |
SomeRandomBloke | 0:5a0b43f3b143 | 76 | |
SomeRandomBloke | 1:45cec6aea002 | 77 | logInfo("Checking Config"); |
SomeRandomBloke | 1:45cec6aea002 | 78 | |
SomeRandomBloke | 1:45cec6aea002 | 79 | // Test if we've already saved the config |
SomeRandomBloke | 1:45cec6aea002 | 80 | std::string configNetworkName = dot->getNetworkName(); |
SomeRandomBloke | 1:45cec6aea002 | 81 | |
SomeRandomBloke | 3:367aa95f9771 | 82 | // Reset config if network name is different or pin is low then reset config. |
SomeRandomBloke | 3:367aa95f9771 | 83 | if( config_network_name.compare(configNetworkName) != 0 || !configReset ) { |
SomeRandomBloke | 1:45cec6aea002 | 84 | // Not saved config, reset |
SomeRandomBloke | 1:45cec6aea002 | 85 | logInfo("Setting Config"); |
SomeRandomBloke | 0:5a0b43f3b143 | 86 | |
SomeRandomBloke | 1:45cec6aea002 | 87 | // reset to default config so we know what state we're in |
SomeRandomBloke | 1:45cec6aea002 | 88 | dot->resetConfig(); |
SomeRandomBloke | 1:45cec6aea002 | 89 | |
SomeRandomBloke | 1:45cec6aea002 | 90 | // Set byte order - AEP less than 1.0.30 |
SomeRandomBloke | 1:45cec6aea002 | 91 | // dot->setJoinByteOrder(mDot::MSB); |
SomeRandomBloke | 1:45cec6aea002 | 92 | dot->setJoinByteOrder(mDot::LSB); |
SomeRandomBloke | 0:5a0b43f3b143 | 93 | |
SomeRandomBloke | 1:45cec6aea002 | 94 | logInfo("setting Join mode"); |
SomeRandomBloke | 1:45cec6aea002 | 95 | if ((ret = dot->setJoinMode(mDot::AUTO_OTA)) != mDot::MDOT_OK) { |
SomeRandomBloke | 1:45cec6aea002 | 96 | logError("failed to set Join Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 1:45cec6aea002 | 97 | } |
SomeRandomBloke | 1:45cec6aea002 | 98 | |
SomeRandomBloke | 1:45cec6aea002 | 99 | // If on developer board then you can enable activity LED |
SomeRandomBloke | 1:45cec6aea002 | 100 | // Currently no spare pins that LEDs are connected too. |
SomeRandomBloke | 0:5a0b43f3b143 | 101 | // dot->setActivityLedPin( ACTIVITY_LED ); |
SomeRandomBloke | 0:5a0b43f3b143 | 102 | // dot->setActivityLedEnable(false); |
SomeRandomBloke | 0:5a0b43f3b143 | 103 | |
SomeRandomBloke | 2:9db840d12557 | 104 | // Have a decent nubmer of retries in connecting to LoRaWAN |
SomeRandomBloke | 2:9db840d12557 | 105 | dot->setJoinRetries( 3 ); |
SomeRandomBloke | 2:9db840d12557 | 106 | |
SomeRandomBloke | 2:9db840d12557 | 107 | // Set Spreading Factor, higher is lower data rate, smaller packets but longer range |
SomeRandomBloke | 2:9db840d12557 | 108 | // Lower is higher data rate, larger packets and shorter range. |
SomeRandomBloke | 2:9db840d12557 | 109 | // dot->setTxDataRate( mDot::SF_9 ); |
SomeRandomBloke | 3:367aa95f9771 | 110 | dot->setTxDataRate( mDot::SF_12 ); |
SomeRandomBloke | 1:45cec6aea002 | 111 | dot->setTxPower( 14 ); |
SomeRandomBloke | 1:45cec6aea002 | 112 | dot->setAck( 0 ); // 1 retries on Ack, 0 to disable |
SomeRandomBloke | 3:367aa95f9771 | 113 | |
SomeRandomBloke | 1:45cec6aea002 | 114 | // Not applicable for 868MHz in EU |
SomeRandomBloke | 1:45cec6aea002 | 115 | // if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) { |
SomeRandomBloke | 1:45cec6aea002 | 116 | // initStatus = false; |
SomeRandomBloke | 0:5a0b43f3b143 | 117 | // logError(dot, "failed to set frequency sub band", ret); |
SomeRandomBloke | 1:45cec6aea002 | 118 | // } |
SomeRandomBloke | 1:45cec6aea002 | 119 | |
SomeRandomBloke | 1:45cec6aea002 | 120 | if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) { |
SomeRandomBloke | 1:45cec6aea002 | 121 | logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 1:45cec6aea002 | 122 | } |
SomeRandomBloke | 0:5a0b43f3b143 | 123 | |
SomeRandomBloke | 1:45cec6aea002 | 124 | if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) { |
SomeRandomBloke | 1:45cec6aea002 | 125 | logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 1:45cec6aea002 | 126 | } |
SomeRandomBloke | 1:45cec6aea002 | 127 | |
SomeRandomBloke | 2:9db840d12557 | 128 | if ((ret = dot->setJoinMode( mDot::AUTO_OTA )) != mDot::MDOT_OK) { |
SomeRandomBloke | 2:9db840d12557 | 129 | logError("failed to set join mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 2:9db840d12557 | 130 | } |
SomeRandomBloke | 2:9db840d12557 | 131 | |
SomeRandomBloke | 1:45cec6aea002 | 132 | logInfo("Saving Config"); |
SomeRandomBloke | 1:45cec6aea002 | 133 | |
SomeRandomBloke | 1:45cec6aea002 | 134 | // Save config |
SomeRandomBloke | 1:45cec6aea002 | 135 | if (! dot->saveConfig()) { |
SomeRandomBloke | 1:45cec6aea002 | 136 | logError("failed to save configuration"); |
SomeRandomBloke | 1:45cec6aea002 | 137 | } |
SomeRandomBloke | 1:45cec6aea002 | 138 | } else { |
SomeRandomBloke | 1:45cec6aea002 | 139 | logInfo("Using existing Config"); |
SomeRandomBloke | 0:5a0b43f3b143 | 140 | } |
SomeRandomBloke | 0:5a0b43f3b143 | 141 | |
SomeRandomBloke | 0:5a0b43f3b143 | 142 | while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) { |
SomeRandomBloke | 0:5a0b43f3b143 | 143 | logError("failed to join network [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 0:5a0b43f3b143 | 144 | wait_ms(dot->getNextTxMs() + 1); |
SomeRandomBloke | 0:5a0b43f3b143 | 145 | } |
SomeRandomBloke | 1:45cec6aea002 | 146 | |
SomeRandomBloke | 0:5a0b43f3b143 | 147 | probe.setResolution(9); |
SomeRandomBloke | 0:5a0b43f3b143 | 148 | |
SomeRandomBloke | 0:5a0b43f3b143 | 149 | char dataBuf[50]; |
SomeRandomBloke | 0:5a0b43f3b143 | 150 | while( 1 ) { |
SomeRandomBloke | 0:5a0b43f3b143 | 151 | // This takes upto 750mS, way too long. Change to 9 bit resolution if not already used. |
SomeRandomBloke | 1:45cec6aea002 | 152 | |
SomeRandomBloke | 0:5a0b43f3b143 | 153 | probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready |
SomeRandomBloke | 0:5a0b43f3b143 | 154 | // printf("It is %3.1fC\r\n", probe.temperature()); |
SomeRandomBloke | 3:367aa95f9771 | 155 | // Output data as JSON e.g. {"tmp":21.3} |
SomeRandomBloke | 0:5a0b43f3b143 | 156 | temperature = probe.temperature(); |
SomeRandomBloke | 1:45cec6aea002 | 157 | sprintf(dataBuf, "{\"tmp\":%3.1f}", temperature ); |
SomeRandomBloke | 0:5a0b43f3b143 | 158 | send_data.clear(); |
SomeRandomBloke | 0:5a0b43f3b143 | 159 | // probably not the most efficent way to do this |
SomeRandomBloke | 0:5a0b43f3b143 | 160 | for( int i=0; i< strlen(dataBuf); i++ ) |
SomeRandomBloke | 0:5a0b43f3b143 | 161 | send_data.push_back( dataBuf[i] ); |
SomeRandomBloke | 0:5a0b43f3b143 | 162 | |
SomeRandomBloke | 0:5a0b43f3b143 | 163 | if ((ret = dot->send(send_data)) != mDot::MDOT_OK) { |
SomeRandomBloke | 0:5a0b43f3b143 | 164 | logError("failed to send: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str()); |
SomeRandomBloke | 0:5a0b43f3b143 | 165 | } else { |
SomeRandomBloke | 0:5a0b43f3b143 | 166 | logInfo("send data: %s", Text::bin2hexString(send_data).c_str()); |
SomeRandomBloke | 0:5a0b43f3b143 | 167 | } |
SomeRandomBloke | 0:5a0b43f3b143 | 168 | |
SomeRandomBloke | 1:45cec6aea002 | 169 | // Should sleep here and wakeup after a set interval. |
SomeRandomBloke | 2:9db840d12557 | 170 | uint32_t sleep_time = (dot->getNextTxMs() / 1000) + 60; |
SomeRandomBloke | 2:9db840d12557 | 171 | logInfo("going to sleep for %d seconds", sleep_time); |
SomeRandomBloke | 0:5a0b43f3b143 | 172 | |
SomeRandomBloke | 1:45cec6aea002 | 173 | // go to sleep and wake up automatically sleep_time seconds later |
SomeRandomBloke | 2:9db840d12557 | 174 | dot->sleep(sleep_time, mDot::RTC_ALARM); |
SomeRandomBloke | 2:9db840d12557 | 175 | |
SomeRandomBloke | 0:5a0b43f3b143 | 176 | } |
SomeRandomBloke | 2:9db840d12557 | 177 | |
SomeRandomBloke | 0:5a0b43f3b143 | 178 | return 0; |
SomeRandomBloke | 0:5a0b43f3b143 | 179 | } |