deploying_lorawan
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deploying_lorawan [2017/04/30 13:26] – [1.2. Arduino with Dragino Shield] samer | deploying_lorawan [2017/05/02 17:58] – [3.1. Loraserver] samer | ||
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====== Deploying an End-to-End LoRaWAN Platform ====== | ====== Deploying an End-to-End LoRaWAN Platform ====== | ||
- | Starting from September 2016, Saint-Joseph University of Beirut (USJ) will be deploying the first academic [[http:// | + | Starting from September 2016, Saint-Joseph University of Beirut (USJ) will be deploying the first academic [[http:// |
- | [{{ : | + | * Devices that communicate to one or more gateways via a wireless interface using single hop LoRa and implementing the LoRaWAN protocol. These devices are physically connected to sensors that generate data. |
+ | * Gateways or base stations that forward frames between | ||
+ | * A LoRAWAN backend that implements the network server functions and provides frame control and security. | ||
+ | * Applications that enable to visualize and store the sensor data obtained from the devices. | ||
+ | [{{ : | ||
===== -. Devices ===== | ===== -. Devices ===== | ||
==== -. Autonomo with LoRaBee ==== | ==== -. Autonomo with LoRaBee ==== | ||
- | For the devices in the LoRaWAN platform, we will use an Autonomo board with a LoRaBee | + | Starting with the devices in the LoRaWAN platform, we will use an [[http:// |
In order to configure the Autonomo with LoRaBee device, you should follow these steps: | In order to configure the Autonomo with LoRaBee device, you should follow these steps: | ||
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Now you are ready to write a sketch for the device. Here is one example sketch {{ : | Now you are ready to write a sketch for the device. Here is one example sketch {{ : | ||
- | In this part, you should put the keys for Over-The-Air Activation (OTAA) as explained in the LoRaWAN specification: | + | In this part, you should put the keys for Over-The-Air Activation (OTAA) as explained in the {{ : |
<code c++> | <code c++> | ||
// USE YOUR OWN KEYS! | // USE YOUR OWN KEYS! | ||
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int light_pin = A0; | int light_pin = A0; | ||
int moisture_pin = A2; | int moisture_pin = A2; | ||
- | |||
int temperature_pin = 0; | int temperature_pin = 0; | ||
int temperature_vcc_pin = 1; | int temperature_vcc_pin = 1; | ||
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</ | </ | ||
- | The OTAA method is used for joining the network and adaptive data rate is activated: | + | The OTAA method is used for joining the network and Adaptive Data Rate (ADR) is activated: |
<code c++> | <code c++> | ||
LoRaBee.initOTA(loraSerial, | LoRaBee.initOTA(loraSerial, | ||
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</ | </ | ||
- | Finally, the message is sent in an unconfirmed uplink message: | + | Finally, the message |
<code c++> | <code c++> | ||
LoRaBee.send(1, | LoRaBee.send(1, | ||
</ | </ | ||
==== -. Arduino with Dragino Shield ==== | ==== -. Arduino with Dragino Shield ==== | ||
+ | === -. Periodic Message Sending === | ||
- | Devices in the LoRaWAN platform can also be used on Arduino boards with Dragino shields. The combined module as well as the basic configuration steps are presented in [[simple_lora_prototype|Simple Prototype of LoRa Communications]]. | + | Devices in the LoRaWAN platform can also be implemented |
- | + | ||
- | Do not forget to insert you keys for the OTAA join method. | + | |
+ | The pin mapping corresponds to the Dragino electronic schematic: | ||
<code c++> | <code c++> | ||
const lmic_pinmap lmic_pins = { | const lmic_pinmap lmic_pins = { | ||
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</ | </ | ||
+ | The send function is rescheduled TX_INTERVAL seconds after each transmission complete event: | ||
<code c++> | <code c++> | ||
case EV_TXCOMPLETE: | case EV_TXCOMPLETE: | ||
Line 93: | Line 97: | ||
</ | </ | ||
+ | The send function is initially scheduled here: | ||
<code c++> | <code c++> | ||
- | LMIC_setTxData2(1, (uint8_t*) buffer, message.length() , 0); | + | do_send(& |
</ | </ | ||
+ | The message containing the sensor values is transmitted on one of the radio channels (as in the Autonomo case): | ||
<code c++> | <code c++> | ||
- | LMIC_setDrTxpow(DR_SF7,14); | + | LMIC_setTxData2(1, (uint8_t*) buffer, message.length() , 0); |
</ | </ | ||
+ | The adaptive data rate is not supported, and the spreading factor is configured as follows: | ||
<code c++> | <code c++> | ||
- | do_send(& | + | LMIC_setDrTxpow(DR_SF7,14); |
</ | </ | ||
+ | |||
+ | === -. Triggered Message Sending === | ||
+ | |||
+ | You can also find another example of sketch to download: {{ : | ||
===== -. Gateways ===== | ===== -. Gateways ===== | ||
==== -. Single Channel Gateway ==== | ==== -. Single Channel Gateway ==== | ||
- | The single channel gateway includes a LoRa transmission module (Dragino Shield) connected to a Raspberry Pi (2 or 3) as shown in Figure | + | The single channel gateway includes a LoRa transmission module (Dragino Shield) connected to a Raspberry Pi (2 or 3) as shown in Figure |
[{{ : | [{{ : | ||
- | In order to assemble the gateway, start by making the wire connections: | + | In order to assemble the gateway, start by making the wire connections: |
- | [{{ : | + | [{{ : |
- | [{{ : | + | [{{ : |
Connect the Raspberry Pi to the Internet and install the packet forwarding software. The source code of the single channel packet forwarder is available on: [[https:// | Connect the Raspberry Pi to the Internet and install the packet forwarding software. The source code of the single channel packet forwarder is available on: [[https:// | ||
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</ | </ | ||
- | Now, you need to configure the single channel packet forwarder. This is done in the '' | + | Now, you need to configure the single channel packet forwarder. This is done in the {{ : |
- | + | ||
- | <file | global_config.json> | + | |
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Finally, you can run the packet forwarder as root! | Finally, you can run the packet forwarder as root! | ||
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===== -. Backend ===== | ===== -. Backend ===== | ||
==== -. Loraserver ==== | ==== -. Loraserver ==== | ||
+ | |||
+ | The Loraserver has a web interface for configuring the applications and devices on the platform. Full details for installing the software are provided on [[https:// | ||
+ | |||
+ | [{{ : | ||
+ | |||
+ | Start by creating and application as in Figure 5. Then create a node in this application and provide the following information: | ||
+ | * A unique node name | ||
+ | * The node description | ||
+ | * A unique device EUI on 64 bits: Random identifiers can be generated on [[https:// | ||
+ | * The application EUI on 64 bits: this can be a common identifier for all nodes using the same application. | ||
+ | * A unique application key on 128 bits | ||
+ | |||
+ | In order to enable OTAA join method, you have to make sure that the '' | ||
+ | |||
+ | |||
==== -. The Things Network ==== | ==== -. The Things Network ==== | ||
===== -. Applications ===== | ===== -. Applications ===== | ||
- | ==== -. MQTT spy ==== | + | ==== -. mqtt-spy ==== |
+ | |||
+ | mqtt-spy is an open source utility intended to help you with monitoring activity on MQTT topics. It has been designed to deal with high volumes of messages, as well as occasional publications. mqtt-spy is a JavaFX application, | ||
+ | You can use mqtt-spy to debug the messages received from the LoRaWAN devices. For this, you should download the software tool from [[https:// | ||
==== -. Emoncms ==== | ==== -. Emoncms ==== |
deploying_lorawan.txt · Last modified: 2021/08/28 09:50 by samer