Pins on one edge of the Module are replicated ... So it's actually Breadboard-Friendly

Show thread

HopeRF RFM90 Datasheet explains VREG, DCC and VCC ... Challenging my Chinese skills

🤔

Show thread

Starting the SX1262 Driver ... Fails with an SPI Assertion Failure 😭 ... Let's find out what's wrong 🤔

(Yep Assertions are very helpful! 👍)

github.com/lupyuen/bl_iot_sdk/

Show thread

We have configured the Transmit Timeout as 3 seconds ... But it's timing out way too quickly ... Possibly quitting the packet too soon ... Lemme check the Timer Code 🤔

github.com/lupyuen/bl_iot_sdk/

Show thread

Sorry I goofed ... Mixed up microseconds and milliseconds in SX1262 Driver ... Now AirSpy SDR shows the complete LoRa Chirp! 🎉

github.com/lupyuen/bl_iot_sdk/

Show thread

Chirp transmitted by LoRa SX1262 Driver ... Captured by Airspy SDR ... In super slo mo

Show thread

Huge relief because HopeRF RFM90 Datasheet doesn't say that 923 MHz is supported for Asia Region ... But we proved that the LoRa Module works at 923 MHz!

👍

Show thread

RAKwireless receives Packets ... From connected to LoRa Module! 🎉 Now we do the other way ... WisBlock sending LoRa Packets to BL602

github.com/lupyuen/wisblock-lo

Show thread

Semtech's Reference Implementation of SX1262 Driver is a little odd ... It doesn't process interrupts automatically! Fortunately on FreeRTOS we can easily forward the interrupt to the Application Task for processing

github.com/lupyuen/bl_iot_sdk/

Show thread
Show more

@lupyuen
Is there option in configure on your new destination os to use clang instead of gcc? Is it hackable in that direction?
I wished i helped with it.

Sign in to participate in the conversation
Qoto Mastodon

QOTO: Question Others to Teach Ourselves. A STEM-oriented instance.

An inclusive free speech instance.
All cultures and opinions welcome.
Explicit hate speech and harassment strictly forbidden.
We federate with all servers: we don't block any servers.