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Support IrDA in SDK API for RT1011/RT1015 MCUs

Question asked by Anton Glukhov on May 4, 2020
Latest reply on Jun 11, 2020 by Anton Glukhov



I've noticed that IrDA as part of LPUART module is not supported in SDK API(version 2.7) and there is no examples or explanation. Could you please clarify if there is a plan to add this to SDK?


I took lpuart_interrupt example for rt1015evk board, changed uart module to lpuart3, and briefly tried to connect simple Ir receiver (from arduino kit - CHQ1838) to J30 RX pin. I set IREN bit manually, but unfortunately, I can receive only 0xff bytes. It looks like a problem with baud rate and I changed the baud rate from 115200 to 38000(also tested with 38400), but the same result.


According to "Version ID Register" the MCU supports hardware IrDA decoding. So, I expect that it should work.


Please, take a look at the timing diagram from the Ir receiver. It would be good if you provide some reference examples.




IrDA recevier