> glasgow run uart -V 3.3 --pin-rx 0 --pin-tx 8 -b 9600 
I: g.device.hardware: generating bitstream ID 9702c4a4df524b2cd5d4da2daec59f2c
I: g.cli: running handler for applet 'uart'
I: g.applet.interface.uart: port(s) A, B voltage set to 3.3 V
I: g.applet.interface.uart: running on a TTY; enter `Ctrl+\ q` to quit