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@FLYINGSC0T So actually, LoRa and TFT will run in the same core 1. However, LoRa task has higher priority than TFT task. I also have some friend has issue with...

Sure. You can set 920123456 as a valid frequency. Or 920.123456E6.

Yes, you can set 470e6. Make sure the chip support the frequency 470e6 = 470 * (10 power of 6) = 470 000 000 = 470 Mhz.

Interesting. How long is “too long”? What is the packet length and SF/BW?

"then the code never puts back the LoRA into receive mode. Consequently, packets do not arrive anymore." For me, after sending, I normally set to receive mode manually.

@PrzemyslawMotyl , @JRAlvarez2017 Any idea why the while loop does not stop after TX Done? ``` while ((readRegister(REG_IRQ_FLAGS) & IRQ_TX_DONE_MASK) == 0) { yield(); // endless loop is exdecuted all...

1. Why you need to send so large packet? 2. By right, LoRa packet is up to 255 bytes. You can try to slow down the sending interval and enable...

You mean these codes?  Last time, I ported over from RadioLib: https://github.com/jgromes/RadioLib/blob/master/src/modules/SX127x/SX1278.cpp#L334   Why should we set LowDataRateOptimize bit? Can you help to put in some light? Thanks...

Ok, let me do a fix :D Any suggestion? A bit blurred with work.

I will try to fix this issue this week. I may use bit masking instead to fit the style of this library.