I’m using a wireless stick lite with the OTA code, sending data to HT-M02 Lorawan gateway register at TTN.
So when I look for the serial port I can see that the Join was done, and the acknowledge was received.
However the payload is “weird” at the TTN traffic is there any cryptography of the data?
I want to understand if the Appdata[] is inside this payload information.
Yes. Gateways only see encrypted data (remember it might not be your GW that sees the traffic), you need to route your traffic to a TTN Application and there you will see the decrypted data (in the TTN console, or if you send it on to an actual app then there as well)
Hello @andrelmbraga1
if you are using the example sketch OTAA the content of the AppData will be
AppData[0] = 'A';
AppData[1] = 'B';
AppData[2] = 'C';
AppData[3] = 'D';
AppData[4] = '.';
AppData[5] = '3';
AppData[6] = '3';
AppData[7] = 'C';
AppData[8] = 'D';
AppData[9] = '0';
AppData[10] = 'E';
AppData[11] = 'F';
AppData[12] = '6';
AppData[13] = '5';
AppData[14] = '%';
AppData[15] = '4';
if you are using the sketch OTAA_DHT11 you will have to edit Lora.cpp and make following changes
Making the above change will help to send your temperature and humidity information to the TTN
@bwooce Do you have payload decoder for the sketch OTAA_DHT11?
@bwooce thanks ! I have created an app at TTN. I had also register my device on it.
I have change this following defines on Commissioning.h file
Blockquote
#define LORAWAN_APPLICATION_EUI
#define LORAWAN_APPLICATION_KEY
#define LORAWAN_NWKSKEY
#define LORAWAN_APPSKEY
Should I change the LORAWAN_NETWORK_ID ?
In the LoRaMac-definitions.h I have change the frequency as following:
Blockquote
//#define USE_BAND_868
#define USE_BAND_915
I can see that my device send some msg on the traffic, after creating an app I can see the data coming. However the data on the application side give me that:
“payload not provided”
I’m using the OTAA example. I have create a simple decoder as following:
Blockquote
function Decoder(bytes, Port)
{
var teste0 = bytes[0];
var teste1 = bytes[10];
var result={
“sensor”:{
“teste0”: teste0,
“teste1”: teste1,
}
}
return result;
}
As I’m sending this:
Blockquote
#elif defined( USE_BAND_915 ) || defined( USE_BAND_915_HYBRID )
AppData[0] = ‘1’;
AppData[1] = ‘2’;
AppData[2] = ‘3’;
AppData[3] = ‘4’;
AppData[4] = ‘5’;
AppData[5] = ‘6’;
AppData[6] = ‘7’;
AppData[7] = ‘8’;
AppData[8] = ‘9’;
AppData[9] = ‘0’;
AppData[10] = ‘a’;
#endif
I would like to see the ‘0’ and ‘a’ as output of the decoder. As you (@BDM) have tested this example, could you or anyone help me to find the source of my problem?
Not sure why the data is not shown. Please make sure that LORAWAN_DEVICE_ADDRESS in comminsioning.h is also changed.
Can you explain why? I understand that this will be done by the lib inside my node with the BoardUniqueId. Also, in OTAA I dont need to fill this information on TTN application. I just need to fill the LORAWAN_DEVICE_EUI
> /*!
> Device address on the network (big endian)
> *
> * \remark In this application the value is automatically generated using
> * a pseudo random generator seeded with a value derived from
> * BoardUniqueId value if LORAWAN_DEVICE_ADDRESS is set to 0
> */
> #define LORAWAN_DEVICE_ADDRESS ( uint32_t )0x26011713
Furthermore, the LORAWAN_DEVICE_EUI also do that, and I got the number at the traffic informations of the gateway. I did something wrong?
/*!
* Mote device IEEE EUI (big endian)
*
* \remark In this application the value is automatically generated by calling
* BoardGetUniqueId function
*/
#define LORAWAN_DEVICE_EUI { IEEE_OUI, 0xD3, 0x51, 0xD5, 0x4C, 0xD7 }