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Damien George authored
This patch also enables non-blocking streams on stmhal port. One can now make a USB-UART pass-through function: def pass_through(usb, uart): while True: select.select([usb, uart], [], []) if usb.any(): uart.write(usb.read(256)) if uart.any(): usb.write(uart.read(256)) pass_through(pyb.USB_VCP(), pyb.UART(1, 9600))
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