raspberrypi: Claim UART after checking pins #5834
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If, for some reason, you mix up TX and RX when calling `busio.UART` (who would do that ;) ), you get `Invalid pins`. When you go to try again, you'll get `All UART peripherals are in use` because the interface was claimed as busy before pins are verified. This should fix that issue.
tannewt
requested changes
Jan 11, 2022
Co-authored-by: Scott Shawcroft <scott@adafruit.com>
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If, for some reason, you mix up TX and RX when calling
busio.UART(who would do that ;) ), you getInvalid pins. When you go to try again, you'll getAll UART peripherals are in usebecause the interface was claimed as busy before pins are verified. This should fix that issue.