Enabling PABoost in SAMR34 with MBedOS:::

[Govardhan1999]

When using MBedOS in SAMR34 Xplained Pro with the following LoRa configuration I am facing the issue with enabling PABoost

Configuration used::

• Transmission Type : OTAA
• ADR : Disabled
• Data Rate : Set to DR_0
• Delay B/W Transmissions : 0
• Frequency Band : IN865
• Payload Size : 10Bytes
• N/W Server : Chirp Stack

Observations::

• Not able to figure out whether the PABoost is enabled or not
• The RSSI values are around -70 to -90 and not changed even after the rf-switch pin is toggled

How can we enable PABoost in SAMR34 with MBedOS??

[elsalahy]

I think you can do this in multiple ways, one via SW and one via HW. I have tested the SW method, but you are welcome to try both.

1. SW case you can change the radio-variant to SX1276MB1MAS just add "sx1276-lora-driver.radio-variant":"SX1276MB1MAS" to your mbed_app.json. This will change your default runtime registers configuration. I think PA_BOOST is the default.

2. HW case pin LORA_RFSWITCH_CTL1 which is PA13 in case of Xplained pro board can switch on PA_BOOST by applying high on the output PA13 pin.