======== bits_per_s: 2400 write ready IRQ_RXIDLE: True data: b'12345678' done write ready IRQ_RXIDLE: True data: b'abcdefgh' done ======== bits_per_s: 9600 write ready IRQ_RXIDLE: True data: b'12345678' done write ready IRQ_RXIDLE: True data: b'abcdefgh' done ======== bits_per_s: 115200 write ready IRQ_RXIDLE: True data: b'12345678' done write ready IRQ_RXIDLE: True data: b'abcdefgh' done