Pybytes registration with Lora OTAA

[asavvin]

Hello!
I was able to register Lopy4 with Pytrack with new Pybytes.
But I don't see its registered on TTN.
I see there is option to download config.py to local machine.
I downloaded and checked file I have noticed parameters not the same as I created on TTN for
'app_key': '',
'app_eui': '',
'app_device_eui': ''

even I corrected file and uploaded to Lopy4, when Lopy4 started I am getting an error message

Uploading project (flash)...
Not safe booting, disabled in settings
Reading file status
Failed to read project status, uploading all files
Creating dir lib
[1/10] Writing file boot.py
[2/10] Writing file config.py
[3/10] Writing file lib/OTA.py
[4/10] Writing file lib/mqtt.py
[5/10] Writing file lib/mqtt_core.py
[6/10] Writing file lib/pybytes.py
[7/10] Writing file lib/pybytes_library.py
[8/10] Writing file lib/pybytes_protocol.py
[9/10] Writing file lib/terminal.py
[10/10] Writing file main.py
Upload done, resetting board...
OKets Jun 8 2016 00:22:57

rst:0x7 (TG0WDT_SYS_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff8028,len:8
load:0x3fff8030,len:1728
load:0x4009fa00,len:0
load:0x4009fa00,len:14584
entry 0x400a059c
Using configuration config.py file from /flash folder
WMAC: 30aea4785f7c
Firmware: 1.17.5.b2
WiFi connection established
Using 8192 bytes as stack size
Connected to MQTT mqtt.pybytes.pycom.io
main.py was executed properly (using a firmware that does not include frozen libraries)
Traceback (most recent call last):
File "_main.py", line 184, in <module>
File "/flash/lib/pybytes.py", line 60, in send_virtual_pin_value
File "/flash/lib/pybytes_protocol.py", line 526, in send_pybytes_custom_method_values
TypeError: unsupported types for : 'str', 'int'
MicroPython v1.8.6-849-b9d53b40 on 2018-05-03; LoPy4 with ESP32
Type "help()" for more information.

Thank you

[asavvin]

Thank you for your comments. I was able to get it work w/o error, but since OTAA connection is more complex I tried to use ABP, but I am facing another issue I believe with 3d parameter for ABP. I could not define it in config.py correctly.
configuration defined to use first lora_abp first
server': 'mqtt.pybytes.pycom.io',
'network_preferences': ["lora_abp","wifi"],
ABP defined as:
abp': {
'nwk_skey': 'xxx',
'app_skey': 'xxx',
'dev_addr': 'xxxxxx'
}

getting an error message for 3d parameter

Using configuration config.py file from /flash folder
WMAC: 30aea4785f7c
Firmware: 1.17.5.b2
Traceback (most recent call last):
File "_main.py", line 95, in <module>
File "/flash/lib/pybytes.py", line 30, in connect_lora_abp
TypeError: function takes 3 positional arguments but 2 were given
MicroPython v1.8.6-849-b9d53b40 on 2018-05-03; LoPy4 with ESP32

[jmarcelino]

Hi @asavvin

Pybytes assigns it's own TTN account to the device, you shouldn't change it to yours. That's probably what caused the issue if I understand it correctly.